From d607d7857cb77fe12531e0b35feba54aeee35b11 Mon Sep 17 00:00:00 2001 From: rozetko Date: Mon, 21 May 2018 17:59:40 +0300 Subject: [PATCH] Add src --- .gitignore | 38 + README.md | 26 + build/webpack.base.conf.js | 51 + build/webpack.dev.conf.js | 9 + build/webpack.prod.conf.js | 6 + examples/cpu_util.json | 158 + package-lock.json | 8159 +++++++++++++++++++ package.json | 40 + src/axes_editor.ts | 88 + src/colors.ts | 81 + src/controllers/anomaly_controller.ts | 348 + src/data_processor.ts | 214 + src/graph_legend.ts | 253 + src/graph_renderer.ts | 843 ++ src/graph_tooltip.ts | 310 + src/histogram.ts | 54 + src/img/icn-graph-panel.svg | 186 + src/model/anomaly.ts | 159 + src/model/metric.ts | 58 + src/model/segment.ts | 39 + src/model/segment_array.ts | 101 + src/model/segment_set.ts | 14 + src/module.ts | 547 ++ src/partials/axes_editor.html | 72 + src/partials/tab_analytics.html | 144 + src/partials/tab_display.html | 135 + src/partials/tab_legend.html | 73 + src/plugin.json | 21 + src/series_overrides_ctrl.ts | 160 + src/services/anomaly_service.ts | 100 + src/template.ts | 8 + src/threshold_manager.ts | 238 + src/thresholds_form.ts | 142 + src/vendor/flot/jquery.flot.crosshair.js | 176 + src/vendor/flot/jquery.flot.dashes.js | 236 + src/vendor/flot/jquery.flot.events.js | 604 ++ src/vendor/flot/jquery.flot.fillbelow.js | 288 + src/vendor/flot/jquery.flot.fillbetween.js | 225 + src/vendor/flot/jquery.flot.gauge.js | 960 +++ src/vendor/flot/jquery.flot.js | 3198 ++++++++ src/vendor/flot/jquery.flot.pie.js | 817 ++ src/vendor/flot/jquery.flot.selection.js | 380 + src/vendor/flot/jquery.flot.stack.js | 190 + src/vendor/flot/jquery.flot.stackpercent.js | 126 + src/vendor/flot/jquery.flot.time.js | 431 + tsconfig.json | 33 + 46 files changed, 20539 insertions(+) create mode 100644 .gitignore create mode 100644 README.md create mode 100644 build/webpack.base.conf.js create mode 100644 build/webpack.dev.conf.js create mode 100644 build/webpack.prod.conf.js create mode 100644 examples/cpu_util.json create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 src/axes_editor.ts create mode 100644 src/colors.ts create mode 100644 src/controllers/anomaly_controller.ts create mode 100644 src/data_processor.ts create mode 100644 src/graph_legend.ts create mode 100644 src/graph_renderer.ts create mode 100644 src/graph_tooltip.ts create mode 100644 src/histogram.ts create mode 100644 src/img/icn-graph-panel.svg create mode 100644 src/model/anomaly.ts create mode 100644 src/model/metric.ts create mode 100644 src/model/segment.ts create mode 100644 src/model/segment_array.ts create mode 100644 src/model/segment_set.ts create mode 100644 src/module.ts create mode 100644 src/partials/axes_editor.html create mode 100644 src/partials/tab_analytics.html create mode 100644 src/partials/tab_display.html create mode 100644 src/partials/tab_legend.html create mode 100644 src/plugin.json create mode 100644 src/series_overrides_ctrl.ts create mode 100644 src/services/anomaly_service.ts create mode 100644 src/template.ts create mode 100644 src/threshold_manager.ts create mode 100644 src/thresholds_form.ts create mode 100644 src/vendor/flot/jquery.flot.crosshair.js create mode 100644 src/vendor/flot/jquery.flot.dashes.js create mode 100644 src/vendor/flot/jquery.flot.events.js create mode 100644 src/vendor/flot/jquery.flot.fillbelow.js create mode 100644 src/vendor/flot/jquery.flot.fillbetween.js create mode 100644 src/vendor/flot/jquery.flot.gauge.js create mode 100644 src/vendor/flot/jquery.flot.js create mode 100644 src/vendor/flot/jquery.flot.pie.js create mode 100644 src/vendor/flot/jquery.flot.selection.js create mode 100644 src/vendor/flot/jquery.flot.stack.js create mode 100644 src/vendor/flot/jquery.flot.stackpercent.js create mode 100644 src/vendor/flot/jquery.flot.time.js create mode 100644 tsconfig.json diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..70d4992 --- /dev/null +++ b/.gitignore @@ -0,0 +1,38 @@ +node_modules +dist +npm-debug.log +coverage/ +.aws-config.json +awsconfig +/emails/dist +/public_gen +/tmp +vendor/phantomjs/phantomjs + +docs/AWS_S3_BUCKET +docs/GIT_BRANCH +docs/VERSION +docs/GITCOMMIT +docs/changed-files +docs/changed-files + +# locally required config files +public/css/*.min.css + +# Editor junk +*.sublime-workspace +*.swp +.idea/ +*.iml + +/data/* +/bin/* + +conf/custom.ini +fig.yml +profile.cov +.notouch +.DS_Store +.tscache + +.vscode/ \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..8a2d30d --- /dev/null +++ b/README.md @@ -0,0 +1,26 @@ +# Hastic Graph Panel + +A better version of default Grafana's Graph Panel + +Can render Anomalies & more. + +# Build + +``` +npm install +npm run build +``` + +# Changelog + +[Improvements] + +* You can zoom during update + + +# Credits + +Based on + +* [grafana-plugin-template-webpack-typescript](https://github.com/CorpGlory/grafana-plugin-template-webpack-typescript) +* [@types/grafana](https://github.com/CorpGlory/types-grafana) diff --git a/build/webpack.base.conf.js b/build/webpack.base.conf.js new file mode 100644 index 0000000..07d72e7 --- /dev/null +++ b/build/webpack.base.conf.js @@ -0,0 +1,51 @@ +const path = require('path'); +const webpack = require('webpack'); +const CopyWebpackPlugin = require('copy-webpack-plugin'); + +function resolve(dir) { + return path.join(__dirname, '..', dir) +} + +module.exports = { + target: 'node', + context: resolve('src'), + entry: './module.ts', + output: { + filename: "module.js", + path: resolve('dist'), + libraryTarget: "amd" + }, + externals: [ + // remove the line below if you don't want to use buildin versions + 'jquery', 'lodash', 'moment', 'angular', + function(context, request, callback) { + var prefix = 'grafana/'; + if (request.indexOf(prefix) === 0) { + return callback(null, request.substr(prefix.length)); + } + callback(); + } + ], + plugins: [ + new webpack.optimize.OccurrenceOrderPlugin(), + new CopyWebpackPlugin([ + { from: 'plugin.json' }, + { from: 'img/*' }, + { from: 'partials/*' } + ]) + ], + resolve: { + extensions: [".ts", ".js"], + }, + module: { + rules: [ + { + test: /\.tsx?$/, + loaders: [ + "ts-loader" + ], + exclude: /node_modules/, + } + ] + } +} diff --git a/build/webpack.dev.conf.js b/build/webpack.dev.conf.js new file mode 100644 index 0000000..16044a1 --- /dev/null +++ b/build/webpack.dev.conf.js @@ -0,0 +1,9 @@ +const baseWebpackConfig = require('./webpack.base.conf'); + +var conf = baseWebpackConfig; +conf.devtool = "source-map"; +conf.watch = true; +conf.mode = 'development'; + +module.exports = conf; + diff --git a/build/webpack.prod.conf.js b/build/webpack.prod.conf.js new file mode 100644 index 0000000..23f9f18 --- /dev/null +++ b/build/webpack.prod.conf.js @@ -0,0 +1,6 @@ +const baseWebpackConfig = require('./webpack.base.conf'); + +var conf = baseWebpackConfig; +conf.mode = 'development'; // cuz production wont work + +module.exports = baseWebpackConfig; \ No newline at end of file diff --git a/examples/cpu_util.json b/examples/cpu_util.json new file mode 100644 index 0000000..9a52cd6 --- /dev/null +++ b/examples/cpu_util.json @@ -0,0 +1,158 @@ + +{ + "alert": { + "conditions": [ + { + "evaluator": { + "params": [ + 0.5 + ], + "type": "gt" + }, + "operator": { + "type": "and" + }, + "query": { + "params": [ + "A", + "5m", + "now" + ] + }, + "reducer": { + "params": [], + "type": "avg" + }, + "type": "query" + } + ], + "executionErrorState": "alerting", + "frequency": "60s", + "handler": 1, + "name": "OkAlert", + "noDataState": "no_data", + "notifications": [] + }, + "aliasColors": {}, + "analyticsType": "Anomaly detection", + "anomalyType": "", + "anomalyTypes": [ + { + "algorithm": "unsupervised", + "color": "rgba(214, 131, 206, 0.95)", + "name": "cpu_utilization_unsupervised" + }, + { + "algorithm": "unsupervised", + "color": "red", + "name": "AnomalyNamefff" + }, + { + "algorithm": "unsupervised", + "color": "red", + "name": "AnomalyName" + }, + { + "algorithm": "unsupervised", + "color": "red", + "name": "anomaly_nameret" + } + ], + "backendURL": "http://corpglory.com:8000", + "bars": false, + "dashLength": 10, + "dashes": false, + "datasource": "accelerometer", + "fill": 1, + "gridPos": { + "h": 13, + "w": 24, + "x": 0, + "y": 0 + }, + "id": 2, + "legend": { + "avg": false, + "current": false, + "max": false, + "min": false, + "show": true, + "total": false, + "values": false + }, + "lines": true, + "linewidth": 1, + "nullPointMode": "null", + "percentage": false, + "pointradius": 5, + "points": false, + "renderer": "flot", + "seriesOverrides": [], + "spaceLength": 10, + "stack": false, + "steppedLine": false, + "targets": [ + { + "groupBy": [], + "measurement": "ec2_cpu_utilization", + "orderByTime": "ASC", + "policy": "default", + "refId": "A", + "resultFormat": "time_series", + "select": [ + [ + { + "params": [ + "value" + ], + "type": "field" + } + ] + ], + "tags": [] + } + ], + "thresholds": [ + { + "colorMode": "critical", + "fill": true, + "line": true, + "op": "gt", + "value": 0.5 + } + ], + "timeFrom": null, + "timeShift": null, + "title": "Panel Title", + "tooltip": { + "shared": true, + "sort": 0, + "value_type": "individual" + }, + "type": "corpglory-grafalys-graph-panel", + "xaxis": { + "buckets": null, + "mode": "time", + "name": null, + "show": true, + "values": [] + }, + "yaxes": [ + { + "format": "short", + "label": null, + "logBase": 1, + "max": null, + "min": null, + "show": true + }, + { + "format": "short", + "label": null, + "logBase": 1, + "max": null, + "min": null, + "show": true + } + ] +} diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..1463ca6 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,8159 @@ +{ + "name": "hastic-graph-panel", + "version": "0.1.0", + 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"@types/angular": "^1.6.43", + "@types/flot": "0.0.31", + "@types/grafana": "github:CorpGlory/types-grafana", + "@types/jquery": "^3.3.0", + "@types/lodash": "^4.14.104", + "@types/moment": "^2.13.0", + "@types/perfect-scrollbar": "^1.3.0", + "@types/tinycolor2": "^1.4.0", + "@types/md5": "^2.1.32", + "babel-core": "^6.26.0", + "babel-loader": "^7.1.2", + "babel-preset-env": "^1.6.0", + "copy-webpack-plugin": "^4.0.1", + "loader-utils": "^1.1.0", + "ts-loader": "^4.2.0", + "typescript": "^2.8.3", + "webpack": "^4.7.0", + "webpack-cli": "^2.1.2", + "md5": "^2.2.1" + }, + "dependencies": { + "perfect-scrollbar": "^1.3.0", + "tether-drop": "^1.4.2", + "tinycolor2": "^1.4.1" + } +} diff --git a/src/axes_editor.ts b/src/axes_editor.ts new file mode 100644 index 0000000..a1066c3 --- /dev/null +++ b/src/axes_editor.ts @@ -0,0 +1,88 @@ +import kbn from 'grafana/app/core/utils/kbn'; + + +export class AxesEditorCtrl { + panel: any; + panelCtrl: any; + unitFormats: any; + logScales: any; + xAxisModes: any; + xAxisStatOptions: any; + xNameSegment: any; + + /** @ngInject **/ + constructor(private $scope, private $q) { + this.panelCtrl = $scope.ctrl; + this.panel = this.panelCtrl.panel; + this.$scope.ctrl = this; + + this.unitFormats = kbn.getUnitFormats(); + + this.logScales = { + linear: 1, + 'log (base 2)': 2, + 'log (base 10)': 10, + 'log (base 32)': 32, + 'log (base 1024)': 1024, + }; + + this.xAxisModes = { + Time: 'time', + Series: 'series', + Histogram: 'histogram', + // 'Data field': 'field', + }; + + this.xAxisStatOptions = [ + { text: 'Avg', value: 'avg' }, + { text: 'Min', value: 'min' }, + { text: 'Max', value: 'max' }, + { text: 'Total', value: 'total' }, + { text: 'Count', value: 'count' }, + { text: 'Current', value: 'current' }, + ]; + + if (this.panel.xaxis.mode === 'custom') { + if (!this.panel.xaxis.name) { + this.panel.xaxis.name = 'specify field'; + } + } + } + + setUnitFormat(axis, subItem) { + axis.format = subItem.value; + this.panelCtrl.render(); + } + + render() { + this.panelCtrl.render(); + } + + xAxisModeChanged() { + this.panelCtrl.processor.setPanelDefaultsForNewXAxisMode(); + this.panelCtrl.onDataReceived(this.panelCtrl.dataList); + } + + xAxisValueChanged() { + this.panelCtrl.onDataReceived(this.panelCtrl.dataList); + } + + getDataFieldNames(onlyNumbers) { + var props = this.panelCtrl.processor.getDataFieldNames(this.panelCtrl.dataList, onlyNumbers); + var items = props.map(prop => { + return { text: prop, value: prop }; + }); + return this.$q.when(items); + } +} + +/** @ngInject **/ +export function axesEditorComponent() { + 'use strict'; + return { + restrict: 'E', + scope: true, + templateUrl: 'public/plugins/corpglory-grafalys-graph-panel/partials/axes_editor.html', + controller: AxesEditorCtrl, + }; +} diff --git a/src/colors.ts b/src/colors.ts new file mode 100644 index 0000000..e63c031 --- /dev/null +++ b/src/colors.ts @@ -0,0 +1,81 @@ +import _ from 'lodash'; +import tinycolor from 'tinycolor2'; + +export const PALETTE_ROWS = 4; +export const PALETTE_COLUMNS = 14; +export const DEFAULT_ANNOTATION_COLOR = 'rgba(0, 211, 255, 1)'; +export const OK_COLOR = 'rgba(11, 237, 50, 1)'; +export const ALERTING_COLOR = 'rgba(237, 46, 24, 1)'; +export const NO_DATA_COLOR = 'rgba(150, 150, 150, 1)'; +export const REGION_FILL_ALPHA = 0.09; + +let colors = [ + '#7EB26D', + '#EAB839', + '#6ED0E0', + '#EF843C', + '#E24D42', + '#1F78C1', + '#BA43A9', + '#705DA0', + '#508642', + '#CCA300', + '#447EBC', + '#C15C17', + '#890F02', + '#0A437C', + '#6D1F62', + '#584477', + '#B7DBAB', + '#F4D598', + '#70DBED', + '#F9BA8F', + '#F29191', + '#82B5D8', + '#E5A8E2', + '#AEA2E0', + '#629E51', + '#E5AC0E', + '#64B0C8', + '#E0752D', + '#BF1B00', + '#0A50A1', + '#962D82', + '#614D93', + '#9AC48A', + '#F2C96D', + '#65C5DB', + '#F9934E', + '#EA6460', + '#5195CE', + '#D683CE', + '#806EB7', + '#3F6833', + '#967302', + '#2F575E', + '#99440A', + '#58140C', + '#052B51', + '#511749', + '#3F2B5B', + '#E0F9D7', + '#FCEACA', + '#CFFAFF', + '#F9E2D2', + '#FCE2DE', + '#BADFF4', + '#F9D9F9', + '#DEDAF7', +]; + + +export function hexToHsl(color) { + return tinycolor(color).toHsl(); +} + +export function hslToHex(color) { + return tinycolor(color).toHexString(); +} + + +export default colors; \ No newline at end of file diff --git a/src/controllers/anomaly_controller.ts b/src/controllers/anomaly_controller.ts new file mode 100644 index 0000000..118d2d3 --- /dev/null +++ b/src/controllers/anomaly_controller.ts @@ -0,0 +1,348 @@ +import { AnomalyService } from '../services/anomaly_service' + +import { + AnomalyKey, AnomalyType, + AnomalyTypesSet, AnomalySegment, AnomalySegmentsSearcher, AnomalySermentPair +} from '../model/anomaly'; +import { MetricExpanded } from '../model/metric' +import { Segment, SegmentKey } from '../model/segment'; +import { SegmentsSet } from '../model/segment_set'; +import { SegmentArray } from '../model/segment_array'; +import { Emitter } from 'grafana/app/core/utils/emitter' + +import _ from 'lodash'; + +export const REGION_FILL_ALPHA = 0.7; +export const REGION_STROKE_ALPHA = 0.9; +export const REGION_DELETE_COLOR_LIGHT = '#d1d1d1'; +export const REGION_DELETE_COLOR_DARK = 'white'; + + +export class AnomalyController { + + private _anomalyTypesSet: AnomalyTypesSet; + private _selectedAnomalyKey: AnomalyKey = null; + + private _labelingDataAddedSegments: SegmentsSet; + private _labelingDataDeletedSegments: SegmentsSet; + private _newAnomalyType: AnomalyType = null; + private _creatingNewAnomalyType: boolean = false; + private _savingNewAnomalyType: boolean = false; + private _tempIdCounted = -1; + private _graphLocked = false; + + private _statusRunners: Set = new Set(); + + + constructor(private _panelObject: any, private _anomalyService: AnomalyService, private _emitter: Emitter) { + if(_panelObject.anomalyTypes === undefined) { + _panelObject.anomalyTypes = []; + } + this._labelingDataAddedSegments = new SegmentArray(); + this._labelingDataDeletedSegments = new SegmentArray(); + this._anomalyTypesSet = new AnomalyTypesSet(this._panelObject.anomalyTypes); + this.anomalyTypes.forEach(a => this.runAnomalyTypeAlertEnabledWaiter(a)); + } + + getAnomalySegmentsSearcher(): AnomalySegmentsSearcher { + return this._anomalySegmentsSearcher.bind(this); + } + + private _anomalySegmentsSearcher(point: number): AnomalySermentPair[] { + var result: AnomalySermentPair[] = []; + this._anomalyTypesSet.anomalyTypes.forEach(at => { + var segs = at.segments.findSegments(point); + segs.forEach(s => { + result.push({ anomalyType: at, segment: s }); + }) + }) + return result; + } + + createAnomalyType() { + this._newAnomalyType = new AnomalyType(); + this._creatingNewAnomalyType = true; + this._savingNewAnomalyType = false; + } + + async saveNewAnomalyType(metricExpanded: MetricExpanded, panelId: number) { + this._savingNewAnomalyType = true; + await this._anomalyService.postNewAnomalyType(metricExpanded, this._newAnomalyType, panelId); + this._anomalyTypesSet.addAnomalyType(this._newAnomalyType); + this._creatingNewAnomalyType = false; + this._savingNewAnomalyType = false; + this.runAnomalyTypeAlertEnabledWaiter(this._newAnomalyType); + } + + get creatingAnomalyType() { return this._creatingNewAnomalyType; } + get savingAnomalyType() { return this._savingNewAnomalyType; } + get newAnomalyType(): AnomalyType { return this._newAnomalyType; } + + get graphLocked() { return this._graphLocked; } + set graphLocked(value) { + this._graphLocked = value; + } + + get labelingAnomaly(): AnomalyType { + if(this._selectedAnomalyKey === null) { + return null; + } + return this._anomalyTypesSet.byKey(this._selectedAnomalyKey); + } + + async toggleAnomalyTypeLabelingMode(key: AnomalyKey) { + if(this.labelingAnomaly && this.labelingAnomaly.saving) { + throw new Error('Can`t toggel during saving'); + } + if(this._selectedAnomalyKey === key) { + return this.disableAnomalyLabeling(); + } + await this.disableAnomalyLabeling(); + this._selectedAnomalyKey = key; + this.labelingAnomaly.selected = true; + this.toggleAnomalyVisibility(key, true); + } + + async disableAnomalyLabeling() { + if(this._selectedAnomalyKey === null) { + return; + } + this.labelingAnomaly.saving = true; + var newIds = await this._saveLabelingData(); + this._labelingDataAddedSegments.getSegments().forEach((s, i) => { + this.labelingAnomaly.segments.updateKey(s.key, newIds[i]); + }) + this.labelingAnomaly.saving = false; + + var anomaly = this.labelingAnomaly; + this.dropLabeling(); + this._runAnomalyTypeStatusWaiter(anomaly); + } + + undoLabeling() { + this._labelingDataAddedSegments.getSegments().forEach(s => { + this.labelingAnomaly.segments.remove(s.key); + }); + this._labelingDataDeletedSegments.getSegments().forEach(s => { + this.labelingAnomaly.segments.addSegment(s); + }); + this.dropLabeling(); + } + + dropLabeling() { + this._labelingDataAddedSegments.clear(); + this._labelingDataDeletedSegments.clear(); + this.labelingAnomaly.selected = false; + this._selectedAnomalyKey = null; + this._tempIdCounted = -1; + } + + get labelingMode(): boolean { + return this._selectedAnomalyKey !== null; + } + + get labelingDeleteMode(): boolean { + if(!this.labelingMode) { + return false; + } + return this.labelingAnomaly.deleteMode; + } + + addLabelSegment(segment: Segment) { + var asegment = this.labelingAnomaly.addLabeledSegment(segment); + this._labelingDataAddedSegments.addSegment(asegment); + } + + get anomalyTypes(): AnomalyType[] { + return this._anomalyTypesSet.anomalyTypes; + } + + onAnomalyColorChange(key: AnomalyKey, value) { + this._anomalyTypesSet.byKey(key).color = value; + } + + fetchAnomalyTypesStatuses() { + this.anomalyTypes.forEach(a => this._runAnomalyTypeStatusWaiter(a)); + } + + async fetchAnomalyTypesSegments(from: number, to: number) { + if(!_.isNumber(from)) { + throw new Error('from isn`t number'); + } + if(!_.isNumber(+to)) { + throw new Error('to isn`t number'); + } + var tasks = this.anomalyTypes.map(a => this.fetchSegments(a, from, to)); + return Promise.all(tasks); + } + + async fetchSegments(anomalyType: AnomalyType, from: number, to: number): Promise { + if(!_.isNumber(from)) { + throw new Error('from isn`t number'); + } + if(!_.isNumber(+to)) { + throw new Error('to isn`t number'); + } + var allSegmentsList = await this._anomalyService.getSegments(anomalyType.key, from, to); + var allSegmentsSet = new SegmentArray(allSegmentsList); + if(anomalyType.selected) { + this._labelingDataAddedSegments.getSegments().forEach(s => allSegmentsSet.addSegment(s)); + this._labelingDataDeletedSegments.getSegments().forEach(s => allSegmentsSet.remove(s.key)); + } + anomalyType.segments = allSegmentsSet; + } + + private async _saveLabelingData(): Promise { + var anomaly = this.labelingAnomaly; + if(anomaly === null) { + throw new Error('anomaly is not selected'); + } + + if( + this._labelingDataAddedSegments.length === 0 && + this._labelingDataDeletedSegments.length === 0 + ) { + return []; + } + + return this._anomalyService.updateSegments( + anomaly.key, this._labelingDataAddedSegments, this._labelingDataDeletedSegments + ); + } + + // TODO: move to renderer + updateFlotEvents(isEditMode, options) { + if(options.grid.markings === undefined) { + options.markings = []; + } + + for(var i = 0; i < this.anomalyTypes.length; i++) { + var anomalyType = this.anomalyTypes[i]; + var borderColor = addAlphaToRGB(anomalyType.color, REGION_STROKE_ALPHA); + var fillColor = addAlphaToRGB(anomalyType.color, REGION_FILL_ALPHA); + var segments = anomalyType.segments.getSegments(); + if(!anomalyType.visible) { + continue; + } + if(isEditMode && this.labelingMode) { + if(anomalyType.selected) { + borderColor = addAlphaToRGB(borderColor, 0.7); + fillColor = addAlphaToRGB(borderColor, 0.7); + } else { + continue; + } + } + + var rangeDist = +options.xaxis.max - +options.xaxis.min; + segments.forEach(s => { + var expanded = s.expandDist(rangeDist, 0.01); + options.grid.markings.push({ + xaxis: { from: expanded.from, to: expanded.to }, + color: fillColor + }); + options.grid.markings.push({ + xaxis: { from: expanded.from, to: expanded.from }, + color: borderColor + }); + options.grid.markings.push({ + xaxis: { from: expanded.to, to: expanded.to }, + color: borderColor + }); + }); + } + + } + + deleteLabelingAnomalySegmentsInRange(from: number, to: number) { + var allRemovedSegs = this.labelingAnomaly.removeSegmentsInRange(from, to); + allRemovedSegs.forEach(s => { + if(!this._labelingDataAddedSegments.has(s.key)) { + this._labelingDataDeletedSegments.addSegment(s); + } + }); + this._labelingDataAddedSegments.removeInRange(from, to); + } + + toggleDeleteMode() { + if(!this.labelingMode) { + throw new Error('Cant enter delete mode is labeling mode disabled'); + } + this.labelingAnomaly.deleteMode = !this.labelingAnomaly.deleteMode; + } + + removeAnomalyType(key) { + if(key === this._selectedAnomalyKey) { + this.dropLabeling(); + } + this._anomalyTypesSet.removeAnomalyType(key); + } + + private async _runAnomalyTypeStatusWaiter(anomalyType: AnomalyType) { + if(anomalyType === undefined || anomalyType === null) { + throw new Error('anomalyType not defined'); + } + + if(this._statusRunners.has(anomalyType.key)) { + return; + } + + this._statusRunners.add(anomalyType.key); + + var statusGenerator = this._anomalyService.getAnomalyTypeStatusGenerator( + anomalyType.key, 1000 + ); + + for await (const status of statusGenerator) { + if(anomalyType.status !== status) { + anomalyType.status = status; + this._emitter.emit('anomaly-type-status-change', anomalyType); + } + if(!anomalyType.isActiveStatus) { + break; + } + } + + this._statusRunners.delete(anomalyType.key); + } + + async runAnomalyTypeAlertEnabledWaiter(anomalyType: AnomalyType) { + var enabled = await this._anomalyService.getAlertEnabled(anomalyType.key); + if(anomalyType.alertEnabled !== enabled) { + anomalyType.alertEnabled = enabled; + this._emitter.emit('anomaly-type-alert-change', anomalyType); + } + } + + async toggleAnomalyTypeAlertEnabled(anomalyType: AnomalyType) { + var enabled = anomalyType.alertEnabled; + anomalyType.alertEnabled = undefined; + await this._anomalyService.setAlertEnabled(anomalyType.key, enabled); + anomalyType.alertEnabled = enabled; + this._emitter.emit('anomaly-type-alert-change', anomalyType); + } + + public getIdForNewLabelSegment() { + this._tempIdCounted--; + return this._tempIdCounted; + } + + public toggleAnomalyVisibility(key: AnomalyKey, value?: boolean) { + var anomaly = this._anomalyTypesSet.byKey(key); + if(value !== undefined) { + anomaly.visible = value; + } else { + anomaly.visible = !anomaly.visible; + } + } + +} + +function addAlphaToRGB(colorString: string, alpha: number): string { + let color = tinycolor(colorString); + if (color.isValid()) { + color.setAlpha(color.getAlpha() * alpha); + return color.toRgbString(); + } else { + return colorString; + } +} diff --git a/src/data_processor.ts b/src/data_processor.ts new file mode 100644 index 0000000..9c26923 --- /dev/null +++ b/src/data_processor.ts @@ -0,0 +1,214 @@ +import _ from 'lodash'; +import TimeSeries from 'grafana/app/core/time_series2'; +import colors from './colors'; + +export class DataProcessor { + constructor(private panel) {} + + getSeriesList(options) { + if (!options.dataList || options.dataList.length === 0) { + return []; + } + + // auto detect xaxis mode + var firstItem; + if (options.dataList && options.dataList.length > 0) { + firstItem = options.dataList[0]; + let autoDetectMode = this.getAutoDetectXAxisMode(firstItem); + if (this.panel.xaxis.mode !== autoDetectMode) { + this.panel.xaxis.mode = autoDetectMode; + this.setPanelDefaultsForNewXAxisMode(); + } + } + + switch (this.panel.xaxis.mode) { + case 'series': + case 'time': { + return options.dataList.map((item, index) => { + return this.timeSeriesHandler(item, index, options); + }); + } + case 'histogram': { + let histogramDataList = [ + { + target: 'count', + datapoints: _.concat([], _.flatten(_.map(options.dataList, 'datapoints'))), + }, + ]; + return histogramDataList.map((item, index) => { + return this.timeSeriesHandler(item, index, options); + }); + } + case 'field': { + return this.customHandler(firstItem); + } + } + } + + getAutoDetectXAxisMode(firstItem) { + switch (firstItem.type) { + case 'docs': + return 'field'; + case 'table': + return 'field'; + default: { + if (this.panel.xaxis.mode === 'series') { + return 'series'; + } + if (this.panel.xaxis.mode === 'histogram') { + return 'histogram'; + } + return 'time'; + } + } + } + + setPanelDefaultsForNewXAxisMode() { + switch (this.panel.xaxis.mode) { + case 'time': { + this.panel.bars = false; + this.panel.lines = true; + this.panel.points = false; + this.panel.legend.show = true; + this.panel.tooltip.shared = true; + this.panel.xaxis.values = []; + break; + } + case 'series': { + this.panel.bars = true; + this.panel.lines = false; + this.panel.points = false; + this.panel.stack = false; + this.panel.legend.show = false; + this.panel.tooltip.shared = false; + this.panel.xaxis.values = ['total']; + break; + } + case 'histogram': { + this.panel.bars = true; + this.panel.lines = false; + this.panel.points = false; + this.panel.stack = false; + this.panel.legend.show = false; + this.panel.tooltip.shared = false; + break; + } + } + } + + timeSeriesHandler(seriesData, index, options) { + var datapoints = seriesData.datapoints || []; + var alias = seriesData.target; + + var colorIndex = index % colors.length; + var color = seriesData.color || this.panel.aliasColors[alias] || colors[colorIndex]; + + var series = new TimeSeries({ + datapoints: datapoints, + alias: alias, + color: color, + unit: seriesData.unit, + }); + + if (datapoints && datapoints.length > 0) { + var last = datapoints[datapoints.length - 1][1]; + var from = options.range.from; + if (last - from < -10000) { + series.isOutsideRange = true; + } + } + + return series; + } + + customHandler(dataItem) { + let nameField = this.panel.xaxis.name; + if (!nameField) { + throw { + message: 'No field name specified to use for x-axis, check your axes settings', + }; + } + return []; + } + + validateXAxisSeriesValue() { + switch (this.panel.xaxis.mode) { + case 'series': { + if (this.panel.xaxis.values.length === 0) { + this.panel.xaxis.values = ['total']; + return; + } + + var validOptions = this.getXAxisValueOptions({}); + var found = _.find(validOptions, { value: this.panel.xaxis.values[0] }); + if (!found) { + this.panel.xaxis.values = ['total']; + } + return; + } + } + } + + getDataFieldNames(dataList, onlyNumbers) { + if (dataList.length === 0) { + return []; + } + + let fields = []; + var firstItem = dataList[0]; + let fieldParts = []; + + function getPropertiesRecursive(obj) { + _.forEach(obj, (value, key) => { + if (_.isObject(value)) { + fieldParts.push(key); + getPropertiesRecursive(value); + } else { + if (!onlyNumbers || _.isNumber(value)) { + let field = fieldParts.concat(key).join('.'); + fields.push(field); + } + } + }); + fieldParts.pop(); + } + + if (firstItem.type === 'docs') { + if (firstItem.datapoints.length === 0) { + return []; + } + getPropertiesRecursive(firstItem.datapoints[0]); + } + + return fields; + } + + getXAxisValueOptions(options) { + switch (this.panel.xaxis.mode) { + case 'series': { + return [ + { text: 'Avg', value: 'avg' }, + { text: 'Min', value: 'min' }, + { text: 'Max', value: 'max' }, + { text: 'Total', value: 'total' }, + { text: 'Count', value: 'count' }, + ]; + } + } + + return []; + } + + pluckDeep(obj: any, property: string) { + let propertyParts = property.split('.'); + let value = obj; + for (let i = 0; i < propertyParts.length; ++i) { + if (value[propertyParts[i]]) { + value = value[propertyParts[i]]; + } else { + return undefined; + } + } + return value; + } +} diff --git a/src/graph_legend.ts b/src/graph_legend.ts new file mode 100644 index 0000000..4c66915 --- /dev/null +++ b/src/graph_legend.ts @@ -0,0 +1,253 @@ +import PerfectScrollbar from 'perfect-scrollbar'; +import * as $ from 'jquery'; +import _ from 'lodash'; + + +export class GraphLegend { + firstRender = true; + ctrl: any; + panel: any; + data; + seriesList; + legendScrollbar; + + constructor(private $elem: JQuery, private popoverSrv, private scope) { + this.ctrl = scope.ctrl; + this.panel = this.ctrl.panel; + scope.$on('$destroy', () => { + if (this.legendScrollbar) { + this.legendScrollbar.destroy(); + } + }); + } + + getSeriesIndexForElement(el) { + return el.parents('[data-series-index]').data('series-index'); + } + + openColorSelector(e) { + // if we clicked inside poup container ignore click + if ($(e.target).parents('.popover').length) { + return; + } + + var el = $(e.currentTarget).find('.fa-minus'); + var index = this.getSeriesIndexForElement(el); + var series = this.seriesList[index]; + + this.popoverSrv.show({ + element: el[0], + position: 'bottom left', + targetAttachment: 'top left', + template: + '', + openOn: 'hover', + model: { + series: series, + toggleAxis: () => { + this.ctrl.toggleAxis(series); + }, + colorSelected: color => { + this.ctrl.changeSeriesColor(series, color); + }, + }, + }); + + } + + toggleSeries(e) { + var el = $(e.currentTarget); + var index = this.getSeriesIndexForElement(el); + var seriesInfo = this.seriesList[index]; + var scrollPosition = this.$elem.find('tbody').scrollTop(); + this.ctrl.toggleSeries(seriesInfo, e); + this.$elem.find('tbody').scrollTop(scrollPosition); + } + + sortLegend(e) { + var el = $(e.currentTarget); + var stat = el.data('stat'); + + if (stat !== this.panel.legend.sort) { + this.panel.legend.sortDesc = null; + } + + // if already sort ascending, disable sorting + if (this.panel.legend.sortDesc === false) { + this.panel.legend.sort = null; + this.panel.legend.sortDesc = null; + this.ctrl.render(); + return; + } + + this.panel.legend.sortDesc = !this.panel.legend.sortDesc; + this.panel.legend.sort = stat; + this.ctrl.render(); + } + + getTableHeaderHtml(statName) { + if (!this.panel.legend[statName]) { + return ''; + } + var html = '' + statName; + + if (this.panel.legend.sort === statName) { + var cssClass = this.panel.legend.sortDesc ? 'fa fa-caret-down' : 'fa fa-caret-up'; + html += ' '; + } + + return html + ''; + } + + render() { + this.data = this.ctrl.seriesList; + if (!this.ctrl.panel.legend.show) { + this.$elem.empty(); + this.firstRender = true; + return; + } + + if (this.firstRender) { + this.$elem.on('click', '.graph-legend-icon', this.openColorSelector.bind(this)); + this.$elem.on('click', '.graph-legend-alias', this.toggleSeries.bind(this)); + this.$elem.on('click', 'th', this.sortLegend.bind(this)); + this.firstRender = false; + } + + this.seriesList = this.data; + + this.$elem.empty(); + + // Set min-width if side style and there is a value, otherwise remove the CSS propery + var width = this.panel.legend.rightSide && this.panel.legend.sideWidth ? this.panel.legend.sideWidth + 'px' : ''; + this.$elem.css('min-width', width); + + this.$elem.toggleClass('graph-legend-table', this.panel.legend.alignAsTable === true); + + var tableHeaderElem; + if (this.panel.legend.alignAsTable) { + var header = ''; + header += ''; + if (this.panel.legend.values) { + header += this.getTableHeaderHtml('min'); + header += this.getTableHeaderHtml('max'); + header += this.getTableHeaderHtml('avg'); + header += this.getTableHeaderHtml('current'); + header += this.getTableHeaderHtml('total'); + } + header += ''; + tableHeaderElem = $(header); + } + + if (this.panel.legend.sort) { + this.seriesList = _.sortBy(this.seriesList, function(series) { + return series.stats[this.panel.legend.sort]; + }); + if (this.panel.legend.sortDesc) { + this.seriesList = this.seriesList.reverse(); + } + } + + // render first time for getting proper legend height + if (!this.panel.legend.rightSide) { + this.renderLegendElement(tableHeaderElem); + this.$elem.empty(); + } + + this.renderLegendElement(tableHeaderElem); + } + + renderSeriesLegendElements() { + let seriesElements = []; + for (let i = 0; i < this.seriesList.length; i++) { + var series = this.seriesList[i]; + + if (series.hideFromLegend(this.panel.legend)) { + continue; + } + + var html = '
'; + html += '
'; + html += ''; + html += '
'; + + html += + '' + series.aliasEscaped + ''; + + if (this.panel.legend.values) { + var avg = series.formatValue(series.stats.avg); + var current = series.formatValue(series.stats.current); + var min = series.formatValue(series.stats.min); + var max = series.formatValue(series.stats.max); + var total = series.formatValue(series.stats.total); + + if (this.panel.legend.min) { + html += '
' + min + '
'; + } + if (this.panel.legend.max) { + html += '
' + max + '
'; + } + if (this.panel.legend.avg) { + html += '
' + avg + '
'; + } + if (this.panel.legend.current) { + html += '
' + current + '
'; + } + if (this.panel.legend.total) { + html += '
' + total + '
'; + } + } + + html += '
'; + seriesElements.push($(html)); + } + return seriesElements; + } + + renderLegendElement(tableHeaderElem) { + var seriesElements = this.renderSeriesLegendElements(); + + if (this.panel.legend.alignAsTable) { + var tbodyElem = $(''); + tbodyElem.append(tableHeaderElem); + tbodyElem.append(seriesElements); + this.$elem.append(tbodyElem); + } else { + this.$elem.append(seriesElements); + } + + if (!this.panel.legend.rightSide) { + this.addScrollbar(); + } else { + this.destroyScrollbar(); + } + } + + addScrollbar() { + const scrollbarOptions = { + // Number of pixels the content height can surpass the container height without enabling the scroll bar. + scrollYMarginOffset: 2, + suppressScrollX: true, + }; + + if (!this.legendScrollbar) { + this.legendScrollbar = new PerfectScrollbar(this.$elem[0], scrollbarOptions); + } else { + this.legendScrollbar.update(); + } + } + + destroyScrollbar() { + if (this.legendScrollbar) { + this.legendScrollbar.destroy(); + } + } +} diff --git a/src/graph_renderer.ts b/src/graph_renderer.ts new file mode 100644 index 0000000..a370f71 --- /dev/null +++ b/src/graph_renderer.ts @@ -0,0 +1,843 @@ +import { Segment } from './model/segment'; +import { GraphTooltip } from './graph_tooltip'; +import { ThresholdManager } from './threshold_manager'; +import { convertValuesToHistogram, getSeriesValues } from './histogram'; +import { + AnomalyController, + REGION_FILL_ALPHA as ANOMALY_REGION_FILL_ALPHA, + REGION_STROKE_ALPHA as ANOMALY_REGION_STROKE_ALPHA, + REGION_DELETE_COLOR_LIGHT as ANOMALY_REGION_DELETE_COLOR_LIGHT, + REGION_DELETE_COLOR_DARK as ANOMALY_REGION_DELETE_COLOR_DARK +} from './controllers/anomaly_controller'; + + +import './vendor/flot/jquery.flot'; +import './vendor/flot/jquery.flot.time'; +import './vendor/flot/jquery.flot.selection'; +import './vendor/flot/jquery.flot.stack'; +import './vendor/flot/jquery.flot.stackpercent'; +import './vendor/flot/jquery.flot.fillbelow'; +import './vendor/flot/jquery.flot.crosshair'; +import './vendor/flot/jquery.flot.dashes'; +import './vendor/flot/jquery.flot.events'; + +// import { EventManager } from 'grafana/app/features/annotations/event_manager'; +import TimeSeries from 'grafana/app/core/time_series2'; +import { getFlotTickDecimals } from 'grafana/app/core/utils/ticks'; +import { tickStep } from 'grafana/app/core/utils/ticks'; +import { appEvents, coreModule } from 'grafana/app/core/core'; +import kbn from 'grafana/app/core/utils/kbn'; + +import * as $ from 'jquery'; +import _ from 'lodash'; +import moment from 'moment'; + + +const COLOR_SELECTION = '#666'; + + +export class GraphRenderer { + + private _anomalyController: AnomalyController; + private data: any; + private tooltip: GraphTooltip; + private thresholdManager: ThresholdManager; + private panelWidth: number; + private plot: any; + private sortedSeries: any; + private ctrl: any; + private dashboard: any; + private panel: any; + // private eventManager; + private flotOptions: any = {} + private $elem: JQuery; + private annotations: any[]; + private contextSrv: any; + private popoverSrv: any; + private scope: any; + private timeSrv: any; + private _graphMousePosition: any; + + constructor ($elem: JQuery, timeSrv, popoverSrv, contextSrv, scope) { + + var self = this; + this.$elem = $elem; + this.ctrl = scope.ctrl; + this.dashboard = this.ctrl.dashboard; + this.panel = this.ctrl.panel; + + this.timeSrv = timeSrv; + this.popoverSrv = popoverSrv; + this.contextSrv = contextSrv; + this.scope = scope; + + this._anomalyController = this.ctrl.anomalyController; + if(this._anomalyController === undefined) { + throw new Error('anomalyController is undefined'); + } + + + this.annotations = []; + this.panelWidth = 0; + + // this.eventManager = new EventManager(this.ctrl); + this.flotOptions = {} + this.thresholdManager = new ThresholdManager(this.ctrl); + this.tooltip = new GraphTooltip( + $elem, this.dashboard, scope, () => this.sortedSeries, + this._anomalyController.getAnomalySegmentsSearcher() + ); + + // panel events + this.ctrl.events.on('panel-teardown', () => { + this.thresholdManager = null; + + if (this.plot) { + this.plot.destroy(); + this.plot = null; + } + }); + + // global events + appEvents.on('graph-hover', this._onGraphHover.bind(this), scope); + appEvents.on('graph-hover-clear', this._onGraphHoverClear.bind(this), scope); + + $elem.bind('plotselected', (event, selectionEvent) => { + if (this.panel.xaxis.mode !== 'time') { + // Skip if panel in histogram or series mode + this.plot.clearSelection(); + return; + } + + if(this._isAnomalyEvent(selectionEvent)) { + this.plot.clearSelection(); + var id = this._anomalyController.getIdForNewLabelSegment() + var segment = new Segment( + id, + Math.round(selectionEvent.xaxis.from), + Math.round(selectionEvent.xaxis.to) + ); + if(this._anomalyController.labelingDeleteMode) { + this._anomalyController.deleteLabelingAnomalySegmentsInRange( + segment.from, segment.to + ); + } else { + this._anomalyController.addLabelSegment(segment); + } + this._renderPanel(); + return; + } + + if ((selectionEvent.ctrlKey || selectionEvent.metaKey) && contextSrv.isEditor) { + // Add annotation + setTimeout(() => { + // this.eventManager.updateTime(selectionEvent.xaxis); + }, 100); + } else { + scope.$apply(function() { + timeSrv.setTime({ + from: moment.utc(selectionEvent.xaxis.from), + to: moment.utc(selectionEvent.xaxis.to), + }); + }); + } + }); + + $elem.bind('plotclick', (event, flotEvent, item) => { + if (this.panel.xaxis.mode !== 'time') { + // Skip if panel in histogram or series mode + return; + } + + if(this._isAnomalyEvent(flotEvent)) { + return; + } + + if ((flotEvent.ctrlKey || flotEvent.metaKey) && contextSrv.isEditor) { + // Skip if range selected (added in "plotselected" event handler) + let isRangeSelection = flotEvent.x !== flotEvent.x1; + if (!isRangeSelection) { + setTimeout(() => { + // this.eventManager.updateTime({ from: flotEvent.x, to: null }); + }, 100); + } + } + }); + + $elem.mouseleave(() => { + if (this.panel.tooltip.shared) { + var plot = $elem.data().plot; + if (plot) { + this.tooltip.clear(plot); + } + } + appEvents.emit('graph-hover-clear'); + }); + + $elem.bind("plothover", (event, pos, item) => { + self.tooltip.show(pos, item); + pos.panelRelY = (pos.pageY - $elem.offset().top) / $elem.height(); + self._graphMousePosition = this.plot.p2c(pos); + appEvents.emit('graph-hover', { pos: pos, panel: this.panel }); + }); + + $elem.bind("plotclick", (event, pos, item) => { + appEvents.emit('graph-click', { pos: pos, panel: this.panel, item: item }); + }); + + $elem.mousedown(e => { + this._anomalyController.graphLocked = true; + this._chooseSelectionColor(e); + }); + + $(document).mouseup(e => { + this._anomalyController.graphLocked = false; + }) + + } + + public render(renderData) { + this.data = renderData || this.data; + if (!this.data) { + return; + } + this.annotations = this.ctrl.annotations || []; + this._buildFlotPairs(this.data); + updateLegendValues(this.data, this.panel); + this._renderPanel(); + if(this.tooltip.visible) { + var pos = this.plot.c2p(this._graphMousePosition); + var canvasOffset = this.$elem.find('.flot-overlay').offset(); + this.tooltip.show(pos); + this.plot.setCrosshair(pos); + } + } + + private _onGraphHover(evt: any) { + + if (!this.dashboard.sharedTooltipModeEnabled()) { + return; + } + + // ignore if we are the emitter + if (!this.plot || evt.panel.id === this.panel.id || this.ctrl.otherPanelInFullscreenMode()) { + return; + } + + this._graphMousePosition = this.plot.p2c(evt.pos); + this.tooltip.show(evt.pos); + } + + private _onGraphHoverClear() { + if (this.plot) { + this.tooltip.clear(this.plot); + } + } + + private _shouldAbortRender() { + if (!this.data) { + return true; + } + + if (this.panelWidth === 0) { + return true; + } + + return false; + } + + private _drawHook(plot) { + // add left axis labels + if (this.panel.yaxes[0].label && this.panel.yaxes[0].show) { + $("
") + .text(this.panel.yaxes[0].label) + .appendTo(this.$elem); + } + + // add right axis labels + if (this.panel.yaxes[1].label && this.panel.yaxes[1].show) { + $("
") + .text(this.panel.yaxes[1].label) + .appendTo(this.$elem); + } + + if (this.ctrl.dataWarning) { + $(`
${this.ctrl.dataWarning.title}
`).appendTo(this.$elem); + } + + this.thresholdManager.draw(plot); + } + + private _processOffsetHook(plot, gridMargin) { + var left = this.panel.yaxes[0]; + var right = this.panel.yaxes[1]; + if (left.show && left.label) { + gridMargin.left = 20; + } + if (right.show && right.label) { + gridMargin.right = 20; + } + + // apply y-axis min/max options + var yaxis = plot.getYAxes(); + for (var i = 0; i < yaxis.length; i++) { + var axis = yaxis[i]; + var panelOptions = this.panel.yaxes[i]; + axis.options.max = axis.options.max !== null ? axis.options.max : panelOptions.max; + axis.options.min = axis.options.min !== null ? axis.options.min : panelOptions.min; + } + } + + // Series could have different timeSteps, + // let's find the smallest one so that bars are correctly rendered. + // In addition, only take series which are rendered as bars for this. + private _getMinTimeStepOfSeries(data) { + var min = Number.MAX_VALUE; + + for (let i = 0; i < data.length; i++) { + if (!data[i].stats.timeStep) { + continue; + } + if (this.panel.bars) { + if (data[i].bars && data[i].bars.show === false) { + continue; + } + } else { + if (typeof data[i].bars === 'undefined' || typeof data[i].bars.show === 'undefined' || !data[i].bars.show) { + continue; + } + } + + if (data[i].stats.timeStep < min) { + min = data[i].stats.timeStep; + } + } + + return min; + } + + // Function for rendering panel + private _renderPanel() { + + this.panelWidth = this.$elem.width(); + if (this._shouldAbortRender()) { + return; + } + + // give space to alert editing + this.thresholdManager.prepare(this.$elem, this.data); + + // un-check dashes if lines are unchecked + this.panel.dashes = this.panel.lines ? this.panel.dashes : false; + + // Populate element + this._buildFlotOptions(this.panel); + this._prepareXAxis(this.panel); + this._configureYAxisOptions(this.data); + this.thresholdManager.addFlotOptions(this.flotOptions, this.panel); + // this.eventManager.addFlotEvents(this.annotations, this.flotOptions); + this._anomalyController.updateFlotEvents(this.contextSrv.isEditor, this.flotOptions); + + this.sortedSeries = this._sortSeries(this.data, this.panel); + this._callPlot(true); + } + + private _chooseSelectionColor(e) { + var color = COLOR_SELECTION; + var fillAlpha = 0.4; + var strokeAlpha = 0.4; + if(this._isAnomalyEvent(e)) { + if(this._anomalyController.labelingDeleteMode) { + color = this.contextSrv.user.lightTheme ? + ANOMALY_REGION_DELETE_COLOR_LIGHT : + ANOMALY_REGION_DELETE_COLOR_DARK; + } else { + color = this._anomalyController.labelingAnomaly.color; + } + fillAlpha = ANOMALY_REGION_FILL_ALPHA; + strokeAlpha = ANOMALY_REGION_STROKE_ALPHA; + } + this.plot.getOptions().selection.color = color + } + + private _buildFlotPairs(data) { + for (let i = 0; i < data.length; i++) { + let series = data[i]; + series.data = series.getFlotPairs(series.nullPointMode || this.panel.nullPointMode); + + // if hidden remove points and disable stack + if (this.ctrl.hiddenSeries[series.alias]) { + series.data = []; + series.stack = false; + } + } + } + + private _prepareXAxis(panel) { + switch (panel.xaxis.mode) { + case 'series': { + this.flotOptions.series.bars.barWidth = 0.7; + this.flotOptions.series.bars.align = 'center'; + + for (let i = 0; i < this.data.length; i++) { + let series = this.data[i]; + series.data = [[i + 1, series.stats[panel.xaxis.values[0]]]]; + } + + this._addXSeriesAxis(); + break; + } + case 'histogram': { + let bucketSize: number; + let values = getSeriesValues(this.data); + + if (this.data.length && values.length) { + let histMin = _.min(_.map(this.data, (s:any) => s.stats.min)); + let histMax = _.max(_.map(this.data, (s:any) => s.stats.max)); + let ticks = panel.xaxis.buckets || this.panelWidth / 50; + bucketSize = tickStep(histMin, histMax, ticks); + let histogram = convertValuesToHistogram(values, bucketSize); + this.data[0].data = histogram; + this.flotOptions.series.bars.barWidth = bucketSize * 0.8; + } else { + bucketSize = 0; + } + + this._addXHistogramAxis(bucketSize); + break; + } + case 'table': { + this.flotOptions.series.bars.barWidth = 0.7; + this.flotOptions.series.bars.align = 'center'; + this._addXTableAxis(); + break; + } + default: { + this.flotOptions.series.bars.barWidth = this._getMinTimeStepOfSeries(this.data) / 1.5; + this._addTimeAxis(); + break; + } + } + } + + private _callPlot(incrementRenderCounter) { + try { + this.plot = $.plot(this.$elem, this.sortedSeries, this.flotOptions); + if (this.ctrl.renderError) { + delete this.ctrl.error; + delete this.ctrl.inspector; + } + } catch (e) { + console.log('flotcharts error', e); + this.ctrl.error = e.message || 'Render Error'; + this.ctrl.renderError = true; + this.ctrl.inspector = { error: e }; + } + + if (incrementRenderCounter) { + this.ctrl.renderingCompleted(); + } + } + + private _buildFlotOptions(panel) { + const stack = panel.stack ? true : null; + this.flotOptions = { + hooks: { + draw: [this._drawHook.bind(this)], + processOffset: [this._processOffsetHook.bind(this)], + }, + legend: { show: false }, + series: { + stackpercent: panel.stack ? panel.percentage : false, + stack: panel.percentage ? null : stack, + lines: { + show: panel.lines, + zero: false, + fill: this._translateFillOption(panel.fill), + lineWidth: panel.dashes ? 0 : panel.linewidth, + steps: panel.steppedLine, + }, + dashes: { + show: panel.dashes, + lineWidth: panel.linewidth, + dashLength: [panel.dashLength, panel.spaceLength], + }, + bars: { + show: panel.bars, + fill: 1, + barWidth: 1, + zero: false, + lineWidth: 0, + }, + points: { + show: panel.points, + fill: 1, + fillColor: false, + radius: panel.points ? panel.pointradius : 2, + }, + shadowSize: 0, + }, + yaxes: [], + xaxis: {}, + grid: { + minBorderMargin: 0, + markings: [], + backgroundColor: null, + borderWidth: 0, + hoverable: true, + clickable: true, + color: '#c8c8c8', + margin: { left: 0, right: 0 }, + labelMarginX: 0, + }, + selection: { + mode: 'x' + }, + crosshair: { + mode: 'x', + }, + }; + } + + private _sortSeries(series, panel) { + var sortBy = panel.legend.sort; + var sortOrder = panel.legend.sortDesc; + var haveSortBy = sortBy !== null || sortBy !== undefined; + var haveSortOrder = sortOrder !== null || sortOrder !== undefined; + var shouldSortBy = panel.stack && haveSortBy && haveSortOrder; + var sortDesc = panel.legend.sortDesc === true ? -1 : 1; + + series.sort((x, y) => { + if (x.zindex > y.zindex) { + return 1; + } + + if (x.zindex < y.zindex) { + return -1; + } + + if (shouldSortBy) { + if (x.stats[sortBy] > y.stats[sortBy]) { + return 1 * sortDesc; + } + if (x.stats[sortBy] < y.stats[sortBy]) { + return -1 * sortDesc; + } + } + + return 0; + }); + + return series; + } + + private _translateFillOption(fill) { + if (this.panel.percentage && this.panel.stack) { + return fill === 0 ? 0.001 : fill / 10; + } else { + return fill / 10; + } + } + + private _addTimeAxis() { + var ticks = this.panelWidth / 100; + var min = _.isUndefined(this.ctrl.range.from) ? null : this.ctrl.range.from.valueOf(); + var max = _.isUndefined(this.ctrl.range.to) ? null : this.ctrl.range.to.valueOf(); + + this.flotOptions.xaxis = { + timezone: this.dashboard.getTimezone(), + show: this.panel.xaxis.show, + mode: 'time', + min: min, + max: max, + label: 'Datetime', + ticks: ticks, + timeformat: this._timeFormat(ticks, min, max), + }; + } + + private _addXSeriesAxis() { + var ticks = _.map(this.data, function(series: any, index) { + return [index + 1, series.alias]; + }); + + this.flotOptions.xaxis = { + timezone: this.dashboard.getTimezone(), + show: this.panel.xaxis.show, + mode: null, + min: 0, + max: ticks.length + 1, + label: 'Datetime', + ticks: ticks, + }; + } + + private _addXHistogramAxis(bucketSize) { + let ticks, min, max; + let defaultTicks = this.panelWidth / 50; + + if (this.data.length && bucketSize) { + ticks = _.map(this.data[0].data, point => point[0]); + min = _.min(ticks); + max = _.max(ticks); + + // Adjust tick step + let tickStep = bucketSize; + let ticks_num = Math.floor((max - min) / tickStep); + while (ticks_num > defaultTicks) { + tickStep = tickStep * 2; + ticks_num = Math.ceil((max - min) / tickStep); + } + + // Expand ticks for pretty view + min = Math.floor(min / tickStep) * tickStep; + max = Math.ceil(max / tickStep) * tickStep; + + ticks = []; + for (let i = min; i <= max; i += tickStep) { + ticks.push(i); + } + } else { + // Set defaults if no data + ticks = defaultTicks / 2; + min = 0; + max = 1; + } + + this.flotOptions.xaxis = { + timezone: this.dashboard.getTimezone(), + show: this.panel.xaxis.show, + mode: null, + min: min, + max: max, + label: 'Histogram', + ticks: ticks, + }; + + // Use 'short' format for histogram values + this._configureAxisMode(this.flotOptions.xaxis, 'short'); + } + + private _addXTableAxis() { + var ticks = _.map(this.data, function(series: any, seriesIndex) { + return _.map(series.datapoints, function(point, pointIndex) { + var tickIndex = seriesIndex * series.datapoints.length + pointIndex; + return [tickIndex + 1, point[1]]; + }); + }); + ticks = _.flatten(ticks, true); + + this.flotOptions.xaxis = { + timezone: this.dashboard.getTimezone(), + show: this.panel.xaxis.show, + mode: null, + min: 0, + max: ticks.length + 1, + label: 'Datetime', + ticks: ticks, + }; + } + + private _configureYAxisOptions(data) { + var defaults = { + position: 'left', + show: this.panel.yaxes[0].show, + index: 1, + logBase: this.panel.yaxes[0].logBase || 1, + min: this._parseNumber(this.panel.yaxes[0].min), + max: this._parseNumber(this.panel.yaxes[0].max), + tickDecimals: this.panel.yaxes[0].decimals, + }; + + this.flotOptions.yaxes.push(defaults); + + if (_.find(data, { yaxis: 2 })) { + var secondY = _.clone(defaults); + secondY.index = 2; + secondY.show = this.panel.yaxes[1].show; + secondY.logBase = this.panel.yaxes[1].logBase || 1; + secondY.position = 'right'; + secondY.min = this._parseNumber(this.panel.yaxes[1].min); + secondY.max = this._parseNumber(this.panel.yaxes[1].max); + secondY.tickDecimals = this.panel.yaxes[1].decimals; + this.flotOptions.yaxes.push(secondY); + + this._applyLogScale(this.flotOptions.yaxes[1], data); + this._configureAxisMode(this.flotOptions.yaxes[1], this.panel.percentage && this.panel.stack ? 'percent' : this.panel.yaxes[1].format); + } + this._applyLogScale(this.flotOptions.yaxes[0], data); + this._configureAxisMode(this.flotOptions.yaxes[0], this.panel.percentage && this.panel.stack ? 'percent' : this.panel.yaxes[0].format); + } + + private _parseNumber(value: any) { + if (value === null || typeof value === 'undefined') { + return null; + } + + return _.toNumber(value); + } + + private _applyLogScale(axis, data) { + if (axis.logBase === 1) { + return; + } + + const minSetToZero = axis.min === 0; + + if (axis.min < Number.MIN_VALUE) { + axis.min = null; + } + if (axis.max < Number.MIN_VALUE) { + axis.max = null; + } + + var series, i; + var max = axis.max, + min = axis.min; + + for (i = 0; i < data.length; i++) { + series = data[i]; + if (series.yaxis === axis.index) { + if (!max || max < series.stats.max) { + max = series.stats.max; + } + if (!min || min > series.stats.logmin) { + min = series.stats.logmin; + } + } + } + + axis.transform = function(v) { + return v < Number.MIN_VALUE ? null : Math.log(v) / Math.log(axis.logBase); + }; + axis.inverseTransform = function(v) { + return Math.pow(axis.logBase, v); + }; + + if (!max && !min) { + max = axis.inverseTransform(+2); + min = axis.inverseTransform(-2); + } else if (!max) { + max = min * axis.inverseTransform(+4); + } else if (!min) { + min = max * axis.inverseTransform(-4); + } + + if (axis.min) { + min = axis.inverseTransform(Math.ceil(axis.transform(axis.min))); + } else { + min = axis.min = axis.inverseTransform(Math.floor(axis.transform(min))); + } + if (axis.max) { + max = axis.inverseTransform(Math.floor(axis.transform(axis.max))); + } else { + max = axis.max = axis.inverseTransform(Math.ceil(axis.transform(max))); + } + + if (!min || min < Number.MIN_VALUE || !max || max < Number.MIN_VALUE) { + return; + } + + if (Number.isFinite(min) && Number.isFinite(max)) { + if (minSetToZero) { + axis.min = 0.1; + min = 1; + } + + axis.ticks = this._generateTicksForLogScaleYAxis(min, max, axis.logBase); + if (minSetToZero) { + axis.ticks.unshift(0.1); + } + if (axis.ticks[axis.ticks.length - 1] > axis.max) { + axis.max = axis.ticks[axis.ticks.length - 1]; + } + } else { + axis.ticks = [1, 2]; + delete axis.min; + delete axis.max; + } + } + + private _generateTicksForLogScaleYAxis(min, max, logBase) { + let ticks = []; + + var nextTick; + for (nextTick = min; nextTick <= max; nextTick *= logBase) { + ticks.push(nextTick); + } + + const maxNumTicks = Math.ceil(this.ctrl.height / 25); + const numTicks = ticks.length; + if (numTicks > maxNumTicks) { + const factor = Math.ceil(numTicks / maxNumTicks) * logBase; + ticks = []; + + for (nextTick = min; nextTick <= max * factor; nextTick *= factor) { + ticks.push(nextTick); + } + } + + return ticks; + } + + private _configureAxisMode(axis, format) { + axis.tickFormatter = function(val, axis) { + return kbn.valueFormats[format](val, axis.tickDecimals, axis.scaledDecimals); + }; + } + + private _timeFormat(ticks, min, max) { + if (min && max && ticks) { + var range = max - min; + var secPerTick = range / ticks / 1000; + var oneDay = 86400000; + var oneYear = 31536000000; + + if (secPerTick <= 45) { + return '%H:%M:%S'; + } + if (secPerTick <= 7200 || range <= oneDay) { + return '%H:%M'; + } + if (secPerTick <= 80000) { + return '%m/%d %H:%M'; + } + if (secPerTick <= 2419200 || range <= oneYear) { + return '%m/%d'; + } + return '%Y-%m'; + } + + return '%H:%M'; + } + + private _isAnomalyEvent(obj: any) { + return (obj.ctrlKey || obj.metaKey) && + this.contextSrv.isEditor && + this._anomalyController.labelingMode; + } + +} + +function updateLegendValues(data: TimeSeries[], panel) { + for (let i = 0; i < data.length; i++) { + let series = data[i]; + let yaxes = panel.yaxes; + const seriesYAxis = series.yaxis || 1; + let axis = yaxes[seriesYAxis - 1]; + let { tickDecimals, scaledDecimals } = getFlotTickDecimals(data, axis); + let formater = kbn.valueFormats[panel.yaxes[seriesYAxis - 1].format]; + + // decimal override + if (_.isNumber(panel.decimals)) { + series.updateLegendValues(formater, panel.decimals, null); + } else { + // auto decimals + // legend and tooltip gets one more decimal precision + // than graph legend ticks + tickDecimals = (tickDecimals || -1) + 1; + series.updateLegendValues(formater, tickDecimals, scaledDecimals + 2); + } + } +} + diff --git a/src/graph_tooltip.ts b/src/graph_tooltip.ts new file mode 100644 index 0000000..312c031 --- /dev/null +++ b/src/graph_tooltip.ts @@ -0,0 +1,310 @@ +import { AnomalyType, AnomalySegment, AnomalySegmentsSearcher } from "model/anomaly"; + +export class GraphTooltip { + + private ctrl: any; + private panel: any; + private $tooltip: JQuery; + private _visible = false; + private _lastItem = undefined; + + constructor( + private $elem: JQuery, private dashboard, + private scope, private getSeriesFn, + private _anomalySegmentsSearcher: AnomalySegmentsSearcher + ) { + this.ctrl = scope.ctrl; + this.panel = this.ctrl.panel; + this.$tooltip = $('
'); + } + + clear(plot) { + this._visible = false; + this.$tooltip.detach(); + plot.clearCrosshair(); + plot.unhighlight(); + }; + + show(pos, item?) { + if(item === undefined) { + item = this._lastItem; + } else { + this._lastItem = item; + } + + this._visible = true; + var plot = this.$elem.data().plot; + var plotData = plot.getData(); + var xAxes = plot.getXAxes(); + var xMode = xAxes[0].options.mode; + var seriesList = this.getSeriesFn(); + var allSeriesMode = this.panel.tooltip.shared; + var group, value, absoluteTime, hoverInfo, i, series, seriesHtml, tooltipFormat; + + // if panelRelY is defined another panel wants us to show a tooltip + // get pageX from position on x axis and pageY from relative position in original panel + if (pos.panelRelY) { + var pointOffset = plot.pointOffset({x: pos.x}); + if (Number.isNaN(pointOffset.left) || pointOffset.left < 0 || pointOffset.left > this.$elem.width()) { + this.clear(plot); + return; + } + pos.pageX = this.$elem.offset().left + pointOffset.left; + pos.pageY = this.$elem.offset().top + this.$elem.height() * pos.panelRelY; + var isVisible = pos.pageY >= $(window).scrollTop() && + pos.pageY <= $(window).innerHeight() + $(window).scrollTop(); + if (!isVisible) { + this.clear(plot); + return; + } + plot.setCrosshair(pos); + allSeriesMode = true; + + if (this.dashboard.sharedCrosshairModeOnly()) { + // if only crosshair mode we are done + return; + } + } + + if (seriesList.length === 0) { + return; + } + + if (seriesList[0].hasMsResolution) { + tooltipFormat = 'YYYY-MM-DD HH:mm:ss.SSS'; + } else { + tooltipFormat = 'YYYY-MM-DD HH:mm:ss'; + } + + if (allSeriesMode) { + plot.unhighlight(); + + var seriesHoverInfo = this._getMultiSeriesPlotHoverInfo(plotData, pos); + seriesHtml = ''; + absoluteTime = this.dashboard.formatDate(seriesHoverInfo.time, tooltipFormat); + + // Dynamically reorder the hovercard for the current time point if the + // option is enabled. + if (this.panel.tooltip.sort === 2) { + seriesHoverInfo.series.sort((a: any, b: any) => b.value - a.value); + } else if (this.panel.tooltip.sort === 1) { + seriesHoverInfo.series.sort((a: any, b: any) => a.value - b.value); + } + + for (i = 0; i < seriesHoverInfo.series.length; i++) { + hoverInfo = seriesHoverInfo.series[i]; + + if (hoverInfo.hidden) { + continue; + } + + var highlightClass = ''; + if (item && hoverInfo.index === item.seriesIndex) { + highlightClass = 'graph-tooltip-list-item--highlight'; + } + + series = seriesList[hoverInfo.index]; + + value = series.formatValue(hoverInfo.value); + + seriesHtml += '
'; + seriesHtml += ' ' + hoverInfo.label + ':
'; + seriesHtml += '
' + value + '
'; + plot.highlight(hoverInfo.index, hoverInfo.hoverIndex); + } + + seriesHtml += this._appendAnomaliesHTML(pos.x); + + this._renderAndShow(absoluteTime, seriesHtml, pos, xMode); + } + // single series tooltip + else if (item) { + series = seriesList[item.seriesIndex]; + group = '
'; + group += ' ' + series.aliasEscaped + ':
'; + + if (this.panel.stack && this.panel.tooltip.value_type === 'individual') { + value = item.datapoint[1] - item.datapoint[2]; + } + else { + value = item.datapoint[1]; + } + + value = series.formatValue(value); + + absoluteTime = this.dashboard.formatDate(item.datapoint[0], tooltipFormat); + + group += '
' + value + '
'; + + group += this._appendAnomaliesHTML(pos.x); + + this._renderAndShow(absoluteTime, group, pos, xMode); + } + // no hit + else { + this.$tooltip.detach(); + } + }; + + + destroy() { + this._visible = false; + this.$tooltip.remove(); + }; + + get visible() { return this._visible; } + + private _findHoverIndexFromDataPoints(posX, series, last) { + var ps = series.datapoints.pointsize; + var initial = last*ps; + var len = series.datapoints.points.length; + for (var j = initial; j < len; j += ps) { + // Special case of a non stepped line, highlight the very last point just before a null point + if ((!series.lines.steps && series.datapoints.points[initial] != null && series.datapoints.points[j] == null) + //normal case + || series.datapoints.points[j] > posX) { + return Math.max(j - ps, 0)/ps; + } + } + return j/ps - 1; + }; + + private _findHoverIndexFromData(posX, series) { + var lower = 0; + var upper = series.data.length - 1; + var middle; + while (true) { + if (lower > upper) { + return Math.max(upper, 0); + } + middle = Math.floor((lower + upper) / 2); + if (series.data[middle][0] === posX) { + return middle; + } else if (series.data[middle][0] < posX) { + lower = middle + 1; + } else { + upper = middle - 1; + } + } + }; + + private _appendAnomaliesHTML(pos: number): string { + var result = ''; + var segments = this._anomalySegmentsSearcher(pos); + if(segments.length === 0) { + return ''; + } + segments.forEach(s => { + var from = this.dashboard.formatDate(s.segment.from, 'HH:mm:ss.SSS'); + var to = this.dashboard.formatDate(s.segment.to, 'HH:mm:ss.SSS'); + + result += ` +
+
+ + ${s.anomalyType.name}: +
+
+ + ${from} — ${to} +
+
+ `; + + + }); + return result; + } + + private _renderAndShow(absoluteTime, innerHtml, pos, xMode) { + if (xMode === 'time') { + innerHtml = '
'+ absoluteTime + '
' + innerHtml; + } + (this.$tooltip.html(innerHtml) as any).place_tt(pos.pageX + 20, pos.pageY); + }; + + private _getMultiSeriesPlotHoverInfo(seriesList, pos): { series: any[][], time: any } { + var value, series, hoverIndex, hoverDistance, pointTime, yaxis; + // 3 sub-arrays, 1st for hidden series, 2nd for left yaxis, 3rd for right yaxis. + var results = [[],[],[]]; + + //now we know the current X (j) position for X and Y values + var lastValue = 0; //needed for stacked values + + var minDistance, minTime; + + for (let i = 0; i < seriesList.length; i++) { + series = seriesList[i]; + + if (!series.data.length || (this.panel.legend.hideEmpty && series.allIsNull)) { + // Init value so that it does not brake series sorting + results[0].push({ hidden: true, value: 0 }); + continue; + } + + if (!series.data.length || (this.panel.legend.hideZero && series.allIsZero)) { + // Init value so that it does not brake series sorting + results[0].push({ hidden: true, value: 0 }); + continue; + } + + hoverIndex = this._findHoverIndexFromData(pos.x, series); + hoverDistance = pos.x - series.data[hoverIndex][0]; + pointTime = series.data[hoverIndex][0]; + + // Take the closest point before the cursor, or if it does not exist, the closest after + if (! minDistance + || (hoverDistance >=0 && (hoverDistance < minDistance || minDistance < 0)) + || (hoverDistance < 0 && hoverDistance > minDistance) + ) { + minDistance = hoverDistance; + minTime = pointTime; + } + + if (series.stack) { + if (this.panel.tooltip.value_type === 'individual') { + value = series.data[hoverIndex][1]; + } else if (!series.stack) { + value = series.data[hoverIndex][1]; + } else { + lastValue += series.data[hoverIndex][1]; + value = lastValue; + } + } else { + value = series.data[hoverIndex][1]; + } + + // Highlighting multiple Points depending on the plot type + if (series.lines.steps || series.stack) { + // stacked and steppedLine plots can have series with different length. + // Stacked series can increase its length on each new stacked serie if null points found, + // to speed the index search we begin always on the last found hoverIndex. + hoverIndex = this._findHoverIndexFromDataPoints(pos.x, series, hoverIndex); + } + + // Be sure we have a yaxis so that it does not brake series sorting + yaxis = 0; + if (series.yaxis) { + yaxis = series.yaxis.n; + } + + results[yaxis].push({ + value: value, + hoverIndex: hoverIndex, + color: series.color, + label: series.aliasEscaped, + time: pointTime, + distance: hoverDistance, + index: i + }); + } + + // Contat the 3 sub-arrays + results = results[0].concat(results[1], results[2]); + + // Time of the point closer to pointer + + return { series: results, time: minTime }; + }; +} + diff --git a/src/histogram.ts b/src/histogram.ts new file mode 100644 index 0000000..71a4587 --- /dev/null +++ b/src/histogram.ts @@ -0,0 +1,54 @@ + +import _ from 'lodash'; + +/** + * Convert series into array of series values. + * @param data Array of series + */ +export function getSeriesValues(dataList: any[]): number[] { + const VALUE_INDEX = 0; + let values = []; + + // Count histogam stats + for (let i = 0; i < dataList.length; i++) { + let series = dataList[i]; + let datapoints = series.datapoints; + for (let j = 0; j < datapoints.length; j++) { + if (datapoints[j][VALUE_INDEX] !== null) { + values.push(datapoints[j][VALUE_INDEX]); + } + } + } + + return values; +} + +/** + * Convert array of values into timeseries-like histogram: + * [[val_1, count_1], [val_2, count_2], ..., [val_n, count_n]] + * @param values + * @param bucketSize + */ +export function convertValuesToHistogram(values: number[], bucketSize: number): any[] { + let histogram = {}; + + for (let i = 0; i < values.length; i++) { + let bound = getBucketBound(values[i], bucketSize); + if (histogram[bound]) { + histogram[bound] = histogram[bound] + 1; + } else { + histogram[bound] = 1; + } + } + + let histogam_series = _.map(histogram, (count, bound) => { + return [Number(bound), count]; + }); + + // Sort by Y axis values + return _.sortBy(histogam_series, point => point[0]); +} + +function getBucketBound(value: number, bucketSize: number): number { + return Math.floor(value / bucketSize) * bucketSize; +} diff --git a/src/img/icn-graph-panel.svg b/src/img/icn-graph-panel.svg new file mode 100644 index 0000000..463b3d5 --- /dev/null +++ b/src/img/icn-graph-panel.svg @@ -0,0 +1,186 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/src/model/anomaly.ts b/src/model/anomaly.ts new file mode 100644 index 0000000..5ac1ab3 --- /dev/null +++ b/src/model/anomaly.ts @@ -0,0 +1,159 @@ +import { SegmentsSet } from './segment_set'; +import { SegmentArray } from './segment_array'; +import { Segment, SegmentKey } from './segment'; +import { Metric } from './metric'; + +import _ from 'lodash'; + +export type AnomalySermentPair = { anomalyType: AnomalyType, segment: AnomalySegment }; +export type AnomalySegmentsSearcher = (point: number) => AnomalySermentPair[]; + +export type AnomalyKey = string; + +export class AnomalySegment extends Segment { + constructor(public labeled: boolean, key: SegmentKey, from: number, to: number) { + super(key, from, to); + if(!_.isBoolean(labeled)) { + throw new Error('labeled value is not boolean'); + } + } +} + +export class AnomalyType { + + private _selected: boolean = false; + private _deleteMode: boolean = false; + private _saving: boolean = false; + private _segmentSet = new SegmentArray(); + private _status: string; + private _metric: Metric; + + private _alertEnabled?: boolean; + + constructor(private _panelObject?: any) { + if(_panelObject === undefined) { + this._panelObject = {}; + } + _.defaults(this._panelObject, { + name: 'anomaly_name', confidence: 0.2, color: 'red' + }); + + //this._metric = new Metric(_panelObject.metric); + } + + get key(): AnomalyKey { return this.name; } + + set name(value: string) { this._panelObject.name = value; } + get name(): string { return this._panelObject.name; } + + set confidence(value: number) { this._panelObject.confidence = value; } + get confidence(): number { return this._panelObject.confidence; } + + set color(value: string) { this._panelObject.color = value; } + get color(): string { return this._panelObject.color; } + + get selected(): boolean { return this._selected; } + set selected(value: boolean) { this._selected = value; } + + get deleteMode(): boolean { return this._deleteMode; } + set deleteMode(value: boolean) { this._deleteMode = value; } + + get saving(): boolean { return this._saving; } + set saving(value: boolean) { this._saving = value; } + + get visible(): boolean { + return (this._panelObject.visible === undefined) ? true : this._panelObject.visible + } + set visible(value: boolean) { + this._panelObject.visible = value; + } + + get metric() { return this._metric; } + + addLabeledSegment(segment: Segment): AnomalySegment { + var asegment = new AnomalySegment(true, segment.key, segment.from, segment.to); + this._segmentSet.addSegment(asegment); + return asegment; + } + + removeSegmentsInRange(from: number, to: number): AnomalySegment[] { + return this._segmentSet.removeInRange(from, to); + } + + get segments(): SegmentsSet { return this._segmentSet; } + set segments(value: SegmentsSet) { + this._segmentSet.setSegments(value.getSegments()); + } + + get status() { return this._status; } + set status(value) { + if( + value !== 'ready' && + value !== 'learning' && + value !== 'pending' && + value !== 'failed' + ) { + throw new Error('Unsupported status value: ' + value); + } + this._status = value; + } + + get isActiveStatus() { + return this.status !== 'ready' && this.status !== 'failed'; + } + + get panelObject() { return this._panelObject; } + + get alertEnabled(): boolean { + return this._alertEnabled; + } + + set alertEnabled(value) { + this._alertEnabled = value; + } + +} + +export class AnomalyTypesSet { + + private _mapAnomalyKeyIndex: Map; + private _anomalyTypes: AnomalyType[]; + + constructor(private _panelObject: any[]) { + if(_panelObject === undefined) { + throw new Error('panel object can`t be undefined'); + } + this._mapAnomalyKeyIndex = new Map(); + this._anomalyTypes = _panelObject.map(p => new AnomalyType(p)); + this._rebuildIndex(); + } + + get anomalyTypes() { return this._anomalyTypes; } + + addAnomalyType(anomalyType: AnomalyType) { + this._panelObject.push(anomalyType.panelObject); + this._mapAnomalyKeyIndex[anomalyType.name] = this._anomalyTypes.length; + this._anomalyTypes.push(anomalyType); + } + + removeAnomalyType(key: AnomalyKey) { + var index = this._mapAnomalyKeyIndex[key]; + this._panelObject.splice(index, 1); + this._anomalyTypes.splice(index, 1); + this._rebuildIndex(); + } + + _rebuildIndex() { + this._anomalyTypes.forEach((a, i) => { + this._mapAnomalyKeyIndex[a.key] = i; + }); + } + + byKey(key: AnomalyKey): AnomalyType { + return this._anomalyTypes[this._mapAnomalyKeyIndex[key]]; + } + + byIndex(index: number): AnomalyType { + return this._anomalyTypes[index]; + } +} diff --git a/src/model/metric.ts b/src/model/metric.ts new file mode 100644 index 0000000..7d3b250 --- /dev/null +++ b/src/model/metric.ts @@ -0,0 +1,58 @@ +import _ from 'lodash'; +import md5 from 'md5'; + + +export type TargetHash = string; + +export class Target { + private _data: any; + constructor(any) { + this._data = _.cloneDeep(any); + this._strip(); + } + + private _strip() { + delete this._data.alias; + } + + getHash(): TargetHash { + return md5(JSON.stringify(this._data)); + } + + getJSON() { + return this._data; + } +} + +export class Metric { + constructor(private _panelObj: any) { + if(_panelObj === undefined) { + throw new Error('_panelObj is undefined'); + } + } + get datasource(): string { return this._panelObj.datasource; } + get targetHashs(): TargetHash[] { return this._panelObj.targetHashs; } +} + +export class MetricExpanded { + private _targets: Target[]; + constructor(public datasource: string, targets: any[]) { + this._targets = targets.map(t => new Target(t)); + } + + toJSON(): any { + return { + datasource: this.datasource, + targets: this._targets.map(t => t.getJSON()) + } + } +} + +export class MetricMap { + private _cache: Map = new Map(); + constructor(datasource: string, targets: Target[]) { + targets.forEach(t => { + this._cache.set(t.getHash(), t); + }); + } +} \ No newline at end of file diff --git a/src/model/segment.ts b/src/model/segment.ts new file mode 100644 index 0000000..c5dc8af --- /dev/null +++ b/src/model/segment.ts @@ -0,0 +1,39 @@ +export type SegmentKey = number; + +export class Segment { + constructor(private _key: SegmentKey, public from: number, public to: number) { + if(isNaN(this._key)) { + throw new Error('Key can`t be NaN'); + } + if(isNaN(+from)) { + throw new Error('from can`t be NaN'); + } + if(isNaN(+to)) { + throw new Error('to can`t be NaN'); + } + } + + get key(): SegmentKey { return this._key; } + set key(value) { this._key = value; } + + get middle() { return (this.from + this.to) / 2; } + + get length() { + return Math.max(this.from, this.to) - Math.min(this.from, this.to); + } + + expandDist(allDist: number, portion: number): Segment { + if(allDist * portion < this.length) { + return new Segment(this._key, this.from, this.to); + } + var p = Math.round(this.middle - allDist * portion / 2); + var q = Math.round(this.middle + allDist * portion / 2); + p = Math.min(p, this.from); + q = Math.max(q, this.to); + return new Segment(this._key, p, q); + } + + equals(segment: Segment) { + return this._key === segment._key; + } +} \ No newline at end of file diff --git a/src/model/segment_array.ts b/src/model/segment_array.ts new file mode 100644 index 0000000..32ae323 --- /dev/null +++ b/src/model/segment_array.ts @@ -0,0 +1,101 @@ +import { SegmentsSet } from './segment_set'; +import { Segment, SegmentKey } from './segment'; + +import _ from 'lodash'; + + +export class SegmentArray implements SegmentsSet { + private _segments: T[]; + private _keyToSegment: Map = new Map(); + + constructor(private segments?: T[]) { + this.setSegments(segments); + } + + getSegments(from?: number, to?: number): T[] { + if(from === undefined) { + from = -Infinity; + } + if(to === undefined) { + to = Infinity; + } + var result = []; + for(var i = 0; i < this._segments.length; i++) { + var s = this._segments[i]; + if(from <= s.from && s.to <= to) { + result.push(s); + } + } + return result; + } + + setSegments(segments: T[]) { + this._segments = []; + this._keyToSegment.clear(); + if(segments) { + segments.forEach(s => { + this.addSegment(s); + }); + } + } + + addSegment(segment: T) { + if(this.has(segment.key)) { + throw new Error(`Segment with key ${segment.key} exists in set`); + } + this._keyToSegment.set(segment.key, segment); + this._segments.push(segment); + } + + findSegments(point: number): T[] { + return this._segments.filter(s => (s.from <= point) && (point <= s.to)); + } + + removeInRange(from: number, to: number): T[] { + var deleted = []; + var newSegments = []; + for(var i = 0; i < this._segments.length; i++) { + var s = this._segments[i]; + if(from <= s.from && s.to <= to) { + this._keyToSegment.delete(s.key); + deleted.push(s); + } else { + newSegments.push(s); + } + } + this._segments = newSegments; + return deleted; + } + + get length() { + return this._segments.length; + } + + clear() { + this._segments = []; + this._keyToSegment.clear(); + } + + has(key: SegmentKey): boolean { + return this._keyToSegment.has(key); + } + + remove(key: SegmentKey): boolean { + if(!this.has(key)) { + return false; + } + var index = this._segments.findIndex(s => s.key === key); + this._segments.splice(index, 1); + this._keyToSegment.delete(key); + return true; + } + + updateKey(fromKey: SegmentKey, toKey: SegmentKey) { + var segment = this._keyToSegment.get(fromKey); + this._keyToSegment.delete(fromKey); + segment.key = toKey; + this._keyToSegment.set(toKey, segment); + + } + +} \ No newline at end of file diff --git a/src/model/segment_set.ts b/src/model/segment_set.ts new file mode 100644 index 0000000..402bf9f --- /dev/null +++ b/src/model/segment_set.ts @@ -0,0 +1,14 @@ +import { Segment, SegmentKey } from './segment' + +export interface SegmentsSet { + getSegments(from?: number, to?: number): T[]; + setSegments(segments: T[]): void; + addSegment(segment: T): void; + findSegments(point: number): T[]; + removeInRange(from: number, to: number): T[]; + remove(key: SegmentKey): boolean; + has(key: SegmentKey): boolean; + clear(): void; + updateKey(fromKey: SegmentKey, toKey: SegmentKey): void; + length: number; +} \ No newline at end of file diff --git a/src/module.ts b/src/module.ts new file mode 100644 index 0000000..74f1992 --- /dev/null +++ b/src/module.ts @@ -0,0 +1,547 @@ +import './series_overrides_ctrl'; +import './thresholds_form'; + +import template from './template'; + +import { GraphRenderer } from './graph_renderer'; +import { GraphLegend } from './graph_legend'; +import { DataProcessor } from './data_processor'; +import { Metric, MetricExpanded } from './model/metric'; +import { AnomalyKey, AnomalyType } from './model/anomaly'; +import { AnomalyService } from './services/anomaly_service'; +import { AnomalyController } from './controllers/anomaly_controller'; + +import { axesEditorComponent } from './axes_editor'; + +import { MetricsPanelCtrl, alertTab } from 'grafana/app/plugins/sdk'; +import { BackendSrv } from 'grafana/app/core/services/backend_srv'; +import { appEvents } from 'grafana/app/core/core' +import config from 'grafana/app/core/config'; + +import _ from 'lodash'; + + +class GraphCtrl extends MetricsPanelCtrl { + static template = template; + + hiddenSeries: any = {}; + seriesList: any = []; + dataList: any = []; + annotations: any = []; + alertState: any; + + _panelPath: any; + + annotationsPromise: any; + dataWarning: any; + colors: any = []; + subTabIndex: number; + processor: DataProcessor; + + datasourceRequest: Object; + backendURL: string; + analyticsTypes: Array = ['Anomaly detection', 'Pettern Detection (not implemented yet)']; + anomalyTypes = []; // TODO: remove it later. Only for alert tab + anomalyController: AnomalyController; + + _graphRenderer: GraphRenderer; + _graphLegend: GraphLegend; + + panelDefaults = { + // datasource name, null = default datasource + datasource: null, + // sets client side (flot) or native graphite png renderer (png) + renderer: 'flot', + yaxes: [ + { + label: null, + show: true, + logBase: 1, + min: null, + max: null, + format: 'short', + }, + { + label: null, + show: true, + logBase: 1, + min: null, + max: null, + format: 'short', + }, + ], + xaxis: { + show: true, + mode: 'time', + name: null, + values: [], + buckets: null, + }, + // show/hide lines + lines: true, + // fill factor + fill: 1, + // line width in pixels + linewidth: 1, + // show/hide dashed line + dashes: false, + // length of a dash + dashLength: 10, + // length of space between two dashes + spaceLength: 10, + // show hide points + points: false, + // point radius in pixels + pointradius: 5, + // show hide bars + bars: false, + // enable/disable stacking + stack: false, + // stack percentage mode + percentage: false, + // legend options + legend: { + show: true, // disable/enable legend + values: false, // disable/enable legend values + min: false, + max: false, + current: false, + total: false, + avg: false, + }, + // how null points should be handled + nullPointMode: 'null', + // staircase line mode + steppedLine: false, + // tooltip options + tooltip: { + value_type: 'individual', + shared: true, + sort: 0, + }, + // time overrides + timeFrom: null, + timeShift: null, + // metric queries + targets: [{}], + // series color overrides + aliasColors: {}, + // other style overrides + seriesOverrides: [], + thresholds: [], + anomalyType: '', + analyticsType: 'Anomaly detection', + backendURL: 'http://localhost:8000' + }; + + /** @ngInject */ + constructor( + $scope, $injector, private annotationsSrv, + private keybindingSrv, private backendSrv, + private popoverSrv, private contextSrv +) { + super($scope, $injector); + + _.defaults(this.panel, this.panelDefaults); + _.defaults(this.panel.tooltip, this.panelDefaults.tooltip); + _.defaults(this.panel.legend, this.panelDefaults.legend); + _.defaults(this.panel.xaxis, this.panelDefaults.xaxis); + + this.processor = new DataProcessor(this.panel); + + var anomalyService = new AnomalyService(this.panel.backendURL, backendSrv as BackendSrv); + this.anomalyController = new AnomalyController(this.panel, anomalyService, this.events); + this.anomalyTypes = this.panel.anomalyTypes; + keybindingSrv.bind('d', this.onDKey.bind(this)); + + this.events.on('render', this.onRender.bind(this)); + this.events.on('data-received', this.onDataReceived.bind(this)); + this.events.on('data-error', this.onDataError.bind(this)); + this.events.on('data-snapshot-load', this.onDataSnapshotLoad.bind(this)); + this.events.on('init-edit-mode', this.onInitEditMode.bind(this)); + this.events.on('init-panel-actions', this.onInitPanelActions.bind(this)); + this.events.on('anomaly-type-alert-change', () => { + this.$scope.$digest() + }); + this.events.on('anomaly-type-status-change', async (anomalyType: AnomalyType) => { + if(anomalyType === undefined) { + throw new Error('anomalyType is undefined'); + } + if(anomalyType.status === 'ready') { + await this.anomalyController.fetchSegments(anomalyType, +this.range.from, +this.range.to); + } + this.render(this.seriesList); + this.$scope.$digest(); + }); + + appEvents.on('ds-request-response', data => { + console.log(data) + let params = data.config.params; + this.datasourceRequest = { + url: params.url, + type: params.inspect.type, + method: params.method, + data: params.data, + ...params + }; + console.log(this.datasourceRequest) + }); + + this.anomalyController.fetchAnomalyTypesStatuses(); + + } + + link(scope, elem, attrs, ctrl) { + var $graphElem = $(elem[0]).find('#graphPanel'); + var $legendElem = $(elem[0]).find('#graphLegend'); + this._graphRenderer = new GraphRenderer( + $graphElem, this.timeSrv, this.popoverSrv, this.contextSrv,this.$scope + ); + this._graphLegend = new GraphLegend($legendElem, this.popoverSrv, this.$scope); + } + + onInitEditMode() { + var partialPath = this.panelPath + 'partials'; + this.addEditorTab('Analytics', `${partialPath}/tab_analytics.html`, 2); + this.addEditorTab('Axes', axesEditorComponent, 3); + this.addEditorTab('Legend', `${partialPath}/tab_legend.html`, 4); + this.addEditorTab('Display', `${partialPath}/tab_display.html`, 5); + + if (config.alertingEnabled) { + this.addEditorTab('Alert', alertTab, 6); + } + + this.subTabIndex = 0; + } + + onInitPanelActions(actions) { + actions.push({ text: 'Export CSV', click: 'ctrl.exportCsv()' }); + actions.push({ text: 'Toggle legend', click: 'ctrl.toggleLegend()' }); + } + + issueQueries(datasource) { + this.annotationsPromise = this.annotationsSrv.getAnnotations({ + dashboard: this.dashboard, + panel: this.panel, + range: this.range, + }); + return super.issueQueries(datasource); + } + + zoomOut(evt) { + this.publishAppEvent('zoom-out', 2); + } + + onDataSnapshotLoad(snapshotData) { + this.annotationsPromise = this.annotationsSrv.getAnnotations({ + dashboard: this.dashboard, + panel: this.panel, + range: this.range, + }); + this.onDataReceived(snapshotData); + } + + onDataError(err) { + this.seriesList = []; + this.annotations = []; + this.render([]); + } + + async onDataReceived(dataList) { + + this.dataList = dataList; + this.seriesList = this.processor.getSeriesList({ + dataList: dataList, + range: this.range, + }); + + //this.onPredictionReceived(this.seriesList); + + this.dataWarning = null; + const hasSomePoint = this.seriesList.some(s => s.datapoints.length > 0); + + if (!hasSomePoint) { + this.dataWarning = { + title: 'No data points', + tip: 'No datapoints returned from data query', + }; + } else { + for (let series of this.seriesList) { + if (series.isOutsideRange) { + this.dataWarning = { + title: 'Data points outside time range', + tip: 'Can be caused by timezone mismatch or missing time filter in query', + }; + break; + } + } + } + + var loadTasks = [ + this.annotationsPromise, + this.anomalyController.fetchAnomalyTypesSegments(+this.range.from, +this.range.to) + ]; + + var results = await Promise.all(loadTasks); + this.loading = false; + this.alertState = results[0].alertState; + this.annotations = results[0].annotations; + this.render(this.seriesList); + + } + + onPredictionReceived(spanList) { + var predictions = []; + for (var span of spanList) { + var predictionLow = { + target: '', + color: '', + datapoints: [] + }; + var predictionHigh = { + target: '', + color: '', + datapoints: [] + }; + + for (var datapoint of span.datapoints) { + predictionHigh.datapoints.push([datapoint[0] + 2, datapoint[1]]); + predictionLow.datapoints.push([datapoint[0] - 2, datapoint[1]]); + } + + predictionHigh.target = `${span.label} high`; + predictionLow.target = `${span.label} low`; + predictionHigh.color = span.color; + predictionLow.color = span.color; + predictions.push(predictionHigh, predictionLow); + } + var predictionSeries = this.processor.getSeriesList({ + dataList: predictions, + range: this.range + }); + for (var serie of predictionSeries) { + serie.prediction = true; + this.seriesList.push(serie); + } + } + + onRender(data) { + if (!this.seriesList) { + return; + } + + for (let series of this.seriesList) { + if (series.prediction) { + var overrideItem = _.find( + this.panel.seriesOverrides, + el => el.alias === series.alias + ) + if (overrideItem !== undefined) { + this.addSeriesOverride({ + alias: series.alias, + linewidth: 0, + legend: false, + // if pointradius === 0 -> point still shows, that's why pointradius === -1 + pointradius: -1, + fill: 3 + }); + } + } + series.applySeriesOverrides(this.panel.seriesOverrides); + + if (series.unit) { + this.panel.yaxes[series.yaxis - 1].format = series.unit; + } + } + + if(!this.anomalyController.graphLocked) { + this._graphLegend.render(); + this._graphRenderer.render(data); + } + } + + changeSeriesColor(series, color) { + series.color = color; + this.panel.aliasColors[series.alias] = series.color; + this.render(); + } + + toggleSeries(serie, event) { + if (event.ctrlKey || event.metaKey || event.shiftKey) { + if (this.hiddenSeries[serie.alias]) { + delete this.hiddenSeries[serie.alias]; + } else { + this.hiddenSeries[serie.alias] = true; + } + } else { + this.toggleSeriesExclusiveMode(serie); + } + this.render(); + } + + toggleSeriesExclusiveMode(serie) { + var hidden = this.hiddenSeries; + + if (hidden[serie.alias]) { + delete hidden[serie.alias]; + } + + // check if every other series is hidden + var alreadyExclusive = _.every(this.seriesList, value => { + if (value.alias === serie.alias) { + return true; + } + + return hidden[value.alias]; + }); + + if (alreadyExclusive) { + // remove all hidden series + _.each(this.seriesList, value => { + delete this.hiddenSeries[value.alias]; + }); + } else { + // hide all but this serie + _.each(this.seriesList, value => { + if (value.alias === serie.alias) { + return; + } + + this.hiddenSeries[value.alias] = true; + }); + } + } + + toggleAxis(info) { + var override = _.find(this.panel.seriesOverrides, { alias: info.alias }); + if (!override) { + override = { alias: info.alias }; + this.panel.seriesOverrides.push(override); + } + info.yaxis = override.yaxis = info.yaxis === 2 ? 1 : 2; + this.render(); + } + + addSeriesOverride(override) { + this.panel.seriesOverrides.push(override || {}); + } + + removeSeriesOverride(override) { + this.panel.seriesOverrides = _.without(this.panel.seriesOverrides, override); + this.render(); + } + + toggleLegend() { + this.panel.legend.show = !this.panel.legend.show; + this.refresh(); + } + + legendValuesOptionChanged() { + var legend = this.panel.legend; + legend.values = legend.min || legend.max || legend.avg || legend.current || legend.total; + this.render(); + } + + exportCsv() { + var scope = this.$scope.$new(true); + scope.seriesList = this.seriesList; + this.publishAppEvent('show-modal', { + templateHtml: '', + scope, + modalClass: 'modal--narrow', + }); + } + + getAnnotationsByTag(tag) { + var res = []; + for (var annotation of this.annotations) { + if (annotation.tags.indexOf(tag) >= 0) { + res.push(annotation); + } + } + return res; + } + + get annotationTags() { + var res = []; + for (var annotation of this.annotations) { + for (var tag of annotation.tags) { + if (res.indexOf(tag) < 0) { + res.push(tag); + } + } + } + return res; + } + + get panelPath() { + if (this._panelPath === undefined) { + this._panelPath = '/public/plugins/' + this.pluginId + '/'; + } + return this._panelPath; + } + + createNewAnomalyType() { + this.anomalyController.createAnomalyType(); + } + + async saveAnomalyType() { + await this.anomalyController.saveNewAnomalyType( + new MetricExpanded(this.panel.datasource, this.panel.targets), + this.panel.id + ); + this.$scope.$digest(); + this.render(this.seriesList); + } + + onAnomalyColorChange(key: AnomalyKey, value) { + this.anomalyController.onAnomalyColorChange(key, value); + this.render(); + } + + onAnomalyRemove(key) { + this.anomalyController.removeAnomalyType(key as string); + this.render(); + } + + onAnomalyCancelLabeling(key) { + this.$scope.$root.appEvent('confirm-modal', { + title: 'Clear anomaly labeling', + text2: 'Your changes will be lost.', + yesText: 'Clear', + icon: 'fa-warning', + altActionText: 'Save', + onAltAction: () => { + this.onToggleAnomalyTypeLabelingMode(key); + }, + onConfirm: () => { + this.anomalyController.undoLabeling(); + this.render(); + }, + }); + } + + async onToggleAnomalyTypeLabelingMode(key) { + await this.anomalyController.toggleAnomalyTypeLabelingMode(key as AnomalyKey); + this.$scope.$digest(); + this.render(); + } + + onDKey() { + if(!this.anomalyController.labelingMode) { + return; + } + this.anomalyController.toggleDeleteMode(); + } + + onAnomalyAlertChange(anomalyType: AnomalyType) { + this.anomalyController.toggleAnomalyTypeAlertEnabled(anomalyType); + } + + onAnomalyToggleVisibility(key: AnomalyKey) { + this.anomalyController.toggleAnomalyVisibility(key); + this.render(); + } +} + +export { GraphCtrl, GraphCtrl as PanelCtrl }; diff --git a/src/partials/axes_editor.html b/src/partials/axes_editor.html new file mode 100644 index 0000000..b992cfb --- /dev/null +++ b/src/partials/axes_editor.html @@ -0,0 +1,72 @@ +
+
+ +
Left Y
+
Right Y
+ + + +
+
+ +
+
+ +
+ +
+ +
+
+ +
+
+ + +
+
+ + +
+
+
+ + +
+ +
+ + +
+
+
+ +
+
X-Axis
+ + +
+ +
+ +
+
+ + +
+ + +
+ + +
+ + +
+ +
+ +
diff --git a/src/partials/tab_analytics.html b/src/partials/tab_analytics.html new file mode 100644 index 0000000..1e301a1 --- /dev/null +++ b/src/partials/tab_analytics.html @@ -0,0 +1,144 @@ +
Analytics
+
+
+
+ +
+ + + + + + + + + + + + + + + + + + + + + + + +
+
+ +
+
+ + + + +
+
+ +
+ +
diff --git a/src/partials/tab_display.html b/src/partials/tab_display.html new file mode 100644 index 0000000..bc2298b --- /dev/null +++ b/src/partials/tab_display.html @@ -0,0 +1,135 @@ +
+ + +
+
+
Draw Modes
+ + + +
+
+
Mode Options
+
+ +
+ +
+
+
+ +
+ +
+
+ + +
+ +
+ +
+
+
+
+
Hover tooltip
+
+ +
+ +
+
+
+ +
+ +
+
+
+ +
+ +
+
+
+ +
+
Stacking & Null value
+ + + + +
+ +
+ +
+
+
+
+ +
+
+
Series specific overrides Regex match example: /server[0-3]/i
+
+
+ +
+
+ +
+
+ +
+ +
+ + +
+ +
+
+
+ +
+ +
+
+
+ + +
+ +
+ +
+ +
diff --git a/src/partials/tab_legend.html b/src/partials/tab_legend.html new file mode 100644 index 0000000..82e1335 --- /dev/null +++ b/src/partials/tab_legend.html @@ -0,0 +1,73 @@ +
+
+
Options
+ + + + + + +
+ + +
+
+ +
+
Values
+ +
+ + + + + +
+ +
+ + + + + +
+ +
+ + + +
+ + +
+
+
+ +
+
Hide series
+ + + + +
+
diff --git a/src/plugin.json b/src/plugin.json new file mode 100644 index 0000000..74d968e --- /dev/null +++ b/src/plugin.json @@ -0,0 +1,21 @@ +{ + "type": "panel", + "name": "Hastic Graph Panel", + "id": "hastic-graph-panel", + + "info": { + "author": { + "name": "CorpGlory Team", + "url": "https://corpglory.com" + }, + "logos": { + "small": "img/icn-graph-panel.svg", + "large": "img/icn-graph-panel.svg" + } + }, + + "dependencies": { + "grafanaVersion": "5.1.x" + } +} + diff --git a/src/series_overrides_ctrl.ts b/src/series_overrides_ctrl.ts new file mode 100644 index 0000000..fdf6edb --- /dev/null +++ b/src/series_overrides_ctrl.ts @@ -0,0 +1,160 @@ +import _ from 'lodash'; +import angular from 'angular'; + +export class SeriesOverridesCtrl { + /** @ngInject */ + constructor($scope, $element, popoverSrv) { + $scope.overrideMenu = []; + $scope.currentOverrides = []; + $scope.override = $scope.override || {}; + + $scope.addOverrideOption = function(name, propertyName, values) { + var option = { + text: name, + propertyName: propertyName, + index: $scope.overrideMenu.lenght, + values: values, + submenu: _.map(values, function(value) { + return { text: String(value), value: value }; + }), + }; + + $scope.overrideMenu.push(option); + }; + + $scope.setOverride = function(item, subItem) { + // handle color overrides + if (item.propertyName === 'color') { + $scope.openColorSelector($scope.override['color']); + return; + } + + $scope.override[item.propertyName] = subItem.value; + + // automatically disable lines for this series and the fill bellow to series + // can be removed by the user if they still want lines + if (item.propertyName === 'fillBelowTo') { + $scope.override['lines'] = false; + $scope.ctrl.addSeriesOverride({ alias: subItem.value, lines: false }); + } + + $scope.updateCurrentOverrides(); + $scope.ctrl.render(); + }; + + $scope.colorSelected = function(color) { + $scope.override['color'] = color; + $scope.updateCurrentOverrides(); + $scope.ctrl.render(); + }; + + $scope.openColorSelector = function(color) { + var fakeSeries = { color: color }; + popoverSrv.show({ + element: $element.find('.dropdown')[0], + position: 'top center', + openOn: 'click', + template: '', + model: { + autoClose: true, + colorSelected: $scope.colorSelected, + series: fakeSeries, + }, + onClose: function() { + $scope.ctrl.render(); + }, + }); + }; + + $scope.removeOverride = function(option) { + delete $scope.override[option.propertyName]; + $scope.updateCurrentOverrides(); + $scope.ctrl.refresh(); + }; + + $scope.getSeriesNames = function() { + return _.map($scope.ctrl.seriesList, function(series: any) { + return series.alias; + }); + }; + + $scope.updateCurrentOverrides = function() { + $scope.currentOverrides = []; + _.each($scope.overrideMenu, function(option) { + var value = $scope.override[option.propertyName]; + if (_.isUndefined(value)) { + return; + } + $scope.currentOverrides.push({ + name: option.text, + propertyName: option.propertyName, + value: String(value), + }); + }); + }; + + $scope.addOverrideOption('Bars', 'bars', [true, false]); + $scope.addOverrideOption('Lines', 'lines', [true, false]); + $scope.addOverrideOption('Line fill', 'fill', [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); + $scope.addOverrideOption('Line width', 'linewidth', [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); + $scope.addOverrideOption('Null point mode', 'nullPointMode', ['connected', 'null', 'null as zero']); + $scope.addOverrideOption('Fill below to', 'fillBelowTo', $scope.getSeriesNames()); + $scope.addOverrideOption('Staircase line', 'steppedLine', [true, false]); + $scope.addOverrideOption('Dashes', 'dashes', [true, false]); + $scope.addOverrideOption('Dash Length', 'dashLength', [ + 1, + 2, + 3, + 4, + 5, + 6, + 7, + 8, + 9, + 10, + 11, + 12, + 13, + 14, + 15, + 16, + 17, + 18, + 19, + 20, + ]); + $scope.addOverrideOption('Dash Space', 'spaceLength', [ + 1, + 2, + 3, + 4, + 5, + 6, + 7, + 8, + 9, + 10, + 11, + 12, + 13, + 14, + 15, + 16, + 17, + 18, + 19, + 20, + ]); + $scope.addOverrideOption('Points', 'points', [true, false]); + $scope.addOverrideOption('Points Radius', 'pointradius', [1, 2, 3, 4, 5]); + $scope.addOverrideOption('Stack', 'stack', [true, false, 'A', 'B', 'C', 'D']); + $scope.addOverrideOption('Color', 'color', ['change']); + $scope.addOverrideOption('Y-axis', 'yaxis', [1, 2]); + $scope.addOverrideOption('Z-index', 'zindex', [-3, -2, -1, 0, 1, 2, 3]); + $scope.addOverrideOption('Transform', 'transform', ['negative-Y']); + $scope.addOverrideOption('Legend', 'legend', [true, false]); + $scope.updateCurrentOverrides(); + } +} + +angular.module('grafana.controllers').controller('SeriesOverridesCtrl', SeriesOverridesCtrl); diff --git a/src/services/anomaly_service.ts b/src/services/anomaly_service.ts new file mode 100644 index 0000000..cfc92aa --- /dev/null +++ b/src/services/anomaly_service.ts @@ -0,0 +1,100 @@ +import { Segment, SegmentKey } from '../model/segment'; +import { MetricExpanded } from '../model/metric'; +import { SegmentsSet } from '../model/segment_set'; +import { AnomalyKey, AnomalyType, AnomalySegment } from '../model/anomaly'; + +import { BackendSrv } from 'grafana/app/core/services/backend_srv'; + + + +export class AnomalyService { + constructor(private _backendURL: string, private _backendSrv: BackendSrv) { + } + + async postNewAnomalyType(metric: MetricExpanded, newAnomalyType: AnomalyType, panelId: number) { + return this._backendSrv.post( + this._backendURL + '/anomalies', + { + name: newAnomalyType.name, + metric: metric.toJSON(), + panelUrl: window.location.origin + window.location.pathname + `?panelId=${panelId}&fullscreen` + } + ) + }; + + async updateSegments( + key: AnomalyKey, addedSegments: SegmentsSet, removedSegments: SegmentsSet + ): Promise { + + const getJSONs = (segs: SegmentsSet) => segs.getSegments().map(segment => ({ + "start": segment.from, + "finish": segment.to + })); + + var payload = { + name: key, + added_segments: getJSONs(addedSegments), + removed_segments: removedSegments.getSegments().map(s => s.key) + } + + var data = await this._backendSrv.patch(this._backendURL + '/segments', payload); + if(data.added_ids === undefined) { + throw new Error('Server didn`t send added_ids'); + } + + return data.added_ids as SegmentKey[]; + } + + async getSegments(key: AnomalyKey, from?: number, to?: number): Promise { + var payload: any = { anomaly_id: key }; + if(from !== undefined) { + payload['from'] = from; + } + if(to !== undefined) { + payload['to'] = to; + } + var data = await this._backendSrv.get( + this._backendURL + '/segments', + payload + ); + if(data.segments === undefined) { + throw new Error('Server didn`t return segments array'); + } + var segments = data.segments as { id: number, start: number, finish: number, labeled: boolean }[]; + return segments.map(s => new AnomalySegment(s.labeled, s.id, s.start, s.finish)); + } + + async * getAnomalyTypeStatusGenerator(key: AnomalyKey, duration: number) { + let statusCheck = async () => { + var data = await this._backendSrv.get( + this._backendURL + '/anomalies/status', { name: key } + ); + return data.status as string; + } + + let timeout = async () => new Promise( + resolve => setTimeout(resolve, duration) + ); + + while(true) { + yield await statusCheck(); + await timeout(); + } + + } + + async getAlertEnabled(key: AnomalyKey): Promise { + var data = await this._backendSrv.get( + this._backendURL + '/alerts', { anomaly_id: key } + ); + return data.enable as boolean; + + } + + async setAlertEnabled(key: AnomalyKey, value: boolean): Promise { + return this._backendSrv.post( + this._backendURL + '/alerts', { anomaly_id: key, enable: value } + ); + } + +} diff --git a/src/template.ts b/src/template.ts new file mode 100644 index 0000000..0a52960 --- /dev/null +++ b/src/template.ts @@ -0,0 +1,8 @@ +var template = ` +
+
+
+
+`; + +export default template; diff --git a/src/threshold_manager.ts b/src/threshold_manager.ts new file mode 100644 index 0000000..1912aa4 --- /dev/null +++ b/src/threshold_manager.ts @@ -0,0 +1,238 @@ +import './vendor/flot/jquery.flot'; +import * as $ from 'jquery'; +import _ from 'lodash'; + +export class ThresholdManager { + plot: any; + placeholder: any; + height: any; + thresholds: any; + needsCleanup: boolean; + hasSecondYAxis: any; + + constructor(private panelCtrl) {} + + getHandleHtml(handleIndex, model, valueStr) { + var stateClass = model.colorMode; + if (model.colorMode === 'custom') { + stateClass = 'critical'; + } + + return ` +
+
+
+
+ + ${valueStr} +
+
`; + } + + initDragging(evt) { + var handleElem = $(evt.currentTarget).parents('.alert-handle-wrapper'); + var handleIndex = $(evt.currentTarget).data('handleIndex'); + + var lastY = null; + var posTop; + var plot = this.plot; + var panelCtrl = this.panelCtrl; + var model = this.thresholds[handleIndex]; + + function dragging(evt) { + if (lastY === null) { + lastY = evt.clientY; + } else { + var diff = evt.clientY - lastY; + posTop = posTop + diff; + lastY = evt.clientY; + handleElem.css({ top: posTop + diff }); + } + } + + function stopped() { + // calculate graph level + var graphValue = plot.c2p({ left: 0, top: posTop }).y; + graphValue = parseInt(graphValue.toFixed(0)); + model.value = graphValue; + + handleElem.off('mousemove', dragging); + handleElem.off('mouseup', dragging); + handleElem.off('mouseleave', dragging); + + // trigger digest and render + panelCtrl.$scope.$apply(function() { + panelCtrl.render(); + panelCtrl.events.emit('threshold-changed', { + threshold: model, + handleIndex: handleIndex, + }); + }); + } + + lastY = null; + posTop = handleElem.position().top; + + handleElem.on('mousemove', dragging); + handleElem.on('mouseup', stopped); + handleElem.on('mouseleave', stopped); + } + + cleanUp() { + this.placeholder.find('.alert-handle-wrapper').remove(); + this.needsCleanup = false; + } + + renderHandle(handleIndex, defaultHandleTopPos) { + var model = this.thresholds[handleIndex]; + var value = model.value; + var valueStr = value; + var handleTopPos = 0; + + // handle no value + if (!_.isNumber(value)) { + valueStr = ''; + handleTopPos = defaultHandleTopPos; + } else { + var valueCanvasPos = this.plot.p2c({ x: 0, y: value }); + handleTopPos = Math.round(Math.min(Math.max(valueCanvasPos.top, 0), this.height) - 6); + } + + var handleElem = $(this.getHandleHtml(handleIndex, model, valueStr)); + this.placeholder.append(handleElem); + + handleElem.toggleClass('alert-handle-wrapper--no-value', valueStr === ''); + handleElem.css({ top: handleTopPos }); + } + + shouldDrawHandles() { + return !this.hasSecondYAxis && this.panelCtrl.editingThresholds && this.panelCtrl.panel.thresholds.length > 0; + } + + prepare(elem, data) { + this.hasSecondYAxis = false; + for (var i = 0; i < data.length; i++) { + if (data[i].yaxis > 1) { + this.hasSecondYAxis = true; + break; + } + } + + if (this.shouldDrawHandles()) { + var thresholdMargin = this.panelCtrl.panel.thresholds.length > 1 ? '220px' : '110px'; + elem.css('margin-right', thresholdMargin); + } else if (this.needsCleanup) { + elem.css('margin-right', '0'); + } + } + + draw(plot) { + this.thresholds = this.panelCtrl.panel.thresholds; + this.plot = plot; + this.placeholder = plot.getPlaceholder(); + + if (this.needsCleanup) { + this.cleanUp(); + } + + if (!this.shouldDrawHandles()) { + return; + } + + this.height = plot.height(); + + if (this.thresholds.length > 0) { + this.renderHandle(0, 10); + } + if (this.thresholds.length > 1) { + this.renderHandle(1, this.height - 30); + } + + this.placeholder.off('mousedown', '.alert-handle'); + this.placeholder.on('mousedown', '.alert-handle', this.initDragging.bind(this)); + this.needsCleanup = true; + } + + addFlotOptions(options, panel) { + if (!panel.thresholds || panel.thresholds.length === 0) { + return; + } + + var gtLimit = Infinity; + var ltLimit = -Infinity; + var i, threshold, other; + + for (i = 0; i < panel.thresholds.length; i++) { + threshold = panel.thresholds[i]; + if (!_.isNumber(threshold.value)) { + continue; + } + + var limit; + switch (threshold.op) { + case 'gt': { + limit = gtLimit; + // if next threshold is less then op and greater value, then use that as limit + if (panel.thresholds.length > i + 1) { + other = panel.thresholds[i + 1]; + if (other.value > threshold.value) { + limit = other.value; + ltLimit = limit; + } + } + break; + } + case 'lt': { + limit = ltLimit; + // if next threshold is less then op and greater value, then use that as limit + if (panel.thresholds.length > i + 1) { + other = panel.thresholds[i + 1]; + if (other.value < threshold.value) { + limit = other.value; + gtLimit = limit; + } + } + break; + } + } + + var fillColor, lineColor; + switch (threshold.colorMode) { + case 'critical': { + fillColor = 'rgba(234, 112, 112, 0.12)'; + lineColor = 'rgba(237, 46, 24, 0.60)'; + break; + } + case 'warning': { + fillColor = 'rgba(235, 138, 14, 0.12)'; + lineColor = 'rgba(247, 149, 32, 0.60)'; + break; + } + case 'ok': { + fillColor = 'rgba(11, 237, 50, 0.090)'; + lineColor = 'rgba(6,163,69, 0.60)'; + break; + } + case 'custom': { + fillColor = threshold.fillColor; + lineColor = threshold.lineColor; + break; + } + } + + // fill + if (threshold.fill) { + options.grid.markings.push({ + yaxis: { from: threshold.value, to: limit }, + color: fillColor, + }); + } + if (threshold.line) { + options.grid.markings.push({ + yaxis: { from: threshold.value, to: threshold.value }, + color: lineColor, + }); + } + } + } +} diff --git a/src/thresholds_form.ts b/src/thresholds_form.ts new file mode 100644 index 0000000..74caad6 --- /dev/null +++ b/src/thresholds_form.ts @@ -0,0 +1,142 @@ + +import coreModule from 'grafana/app/core/core_module'; + +export class ThresholdFormCtrl { + panelCtrl: any; + panel: any; + disabled: boolean; + + /** @ngInject */ + constructor($scope) { + this.panel = this.panelCtrl.panel; + + if (this.panel.alert) { + this.disabled = true; + } + + var unbindDestroy = $scope.$on('$destroy', () => { + this.panelCtrl.editingThresholds = false; + this.panelCtrl.render(); + unbindDestroy(); + }); + + this.panelCtrl.editingThresholds = true; + } + + addThreshold() { + this.panel.thresholds.push({ + value: undefined, + colorMode: 'critical', + op: 'gt', + fill: true, + line: true, + }); + this.panelCtrl.render(); + } + + removeThreshold(index) { + this.panel.thresholds.splice(index, 1); + this.panelCtrl.render(); + } + + render() { + this.panelCtrl.render(); + } + + onFillColorChange(index) { + return newColor => { + this.panel.thresholds[index].fillColor = newColor; + this.render(); + }; + } + + onLineColorChange(index) { + return newColor => { + this.panel.thresholds[index].lineColor = newColor; + this.render(); + }; + } +} + +var template = ` +
+
Thresholds
+

+ Visual thresholds options disabled. + Visit the Alert tab update your thresholds.
+ To re-enable thresholds, the alert rule must be deleted from this panel. +

+
+
+
+ +
+ +
+
+ +
+ +
+ +
+ +
+ +
+
+ + + +
+ + + + +
+ + + +
+ + + + +
+ +
+ +
+
+ +
+ +
+
+
+`; + +coreModule.directive('grafalysGraphThresholdForm', function() { + return { + restrict: 'E', + template: template, + controller: ThresholdFormCtrl, + bindToController: true, + controllerAs: 'ctrl', + scope: { + panelCtrl: '=', + }, + }; +}); diff --git a/src/vendor/flot/jquery.flot.crosshair.js b/src/vendor/flot/jquery.flot.crosshair.js new file mode 100644 index 0000000..5111695 --- /dev/null +++ b/src/vendor/flot/jquery.flot.crosshair.js @@ -0,0 +1,176 @@ +/* Flot plugin for showing crosshairs when the mouse hovers over the plot. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin supports these options: + + crosshair: { + mode: null or "x" or "y" or "xy" + color: color + lineWidth: number + } + +Set the mode to one of "x", "y" or "xy". The "x" mode enables a vertical +crosshair that lets you trace the values on the x axis, "y" enables a +horizontal crosshair and "xy" enables them both. "color" is the color of the +crosshair (default is "rgba(170, 0, 0, 0.80)"), "lineWidth" is the width of +the drawn lines (default is 1). + +The plugin also adds four public methods: + + - setCrosshair( pos ) + + Set the position of the crosshair. Note that this is cleared if the user + moves the mouse. "pos" is in coordinates of the plot and should be on the + form { x: xpos, y: ypos } (you can use x2/x3/... if you're using multiple + axes), which is coincidentally the same format as what you get from a + "plothover" event. If "pos" is null, the crosshair is cleared. + + - clearCrosshair() + + Clear the crosshair. + + - lockCrosshair(pos) + + Cause the crosshair to lock to the current location, no longer updating if + the user moves the mouse. Optionally supply a position (passed on to + setCrosshair()) to move it to. + + Example usage: + + var myFlot = $.plot( $("#graph"), ..., { crosshair: { mode: "x" } } }; + $("#graph").bind( "plothover", function ( evt, position, item ) { + if ( item ) { + // Lock the crosshair to the data point being hovered + myFlot.lockCrosshair({ + x: item.datapoint[ 0 ], + y: item.datapoint[ 1 ] + }); + } else { + // Return normal crosshair operation + myFlot.unlockCrosshair(); + } + }); + + - unlockCrosshair() + + Free the crosshair to move again after locking it. +*/ + +(function ($) { + var options = { + crosshair: { + mode: null, // one of null, "x", "y" or "xy", + color: "rgba(170, 0, 0, 0.80)", + lineWidth: 1 + } + }; + + function init(plot) { + // position of crosshair in pixels + var crosshair = { x: -1, y: -1, locked: false }; + + plot.setCrosshair = function setCrosshair(pos) { + if (!pos) + crosshair.x = -1; + else { + var o = plot.p2c(pos); + crosshair.x = Math.max(0, Math.min(o.left, plot.width())); + crosshair.y = Math.max(0, Math.min(o.top, plot.height())); + } + + plot.triggerRedrawOverlay(); + }; + + plot.clearCrosshair = plot.setCrosshair; // passes null for pos + + plot.lockCrosshair = function lockCrosshair(pos) { + if (pos) + plot.setCrosshair(pos); + crosshair.locked = true; + }; + + plot.unlockCrosshair = function unlockCrosshair() { + crosshair.locked = false; + }; + + function onMouseOut(e) { + if (crosshair.locked) + return; + + if (crosshair.x != -1) { + crosshair.x = -1; + plot.triggerRedrawOverlay(); + } + } + + function onMouseMove(e) { + if (crosshair.locked) + return; + + if (plot.getSelection && plot.getSelection()) { + crosshair.x = -1; // hide the crosshair while selecting + return; + } + + var offset = plot.offset(); + crosshair.x = Math.max(0, Math.min(e.pageX - offset.left, plot.width())); + crosshair.y = Math.max(0, Math.min(e.pageY - offset.top, plot.height())); + plot.triggerRedrawOverlay(); + } + + plot.hooks.bindEvents.push(function (plot, eventHolder) { + if (!plot.getOptions().crosshair.mode) + return; + + eventHolder.mouseout(onMouseOut); + eventHolder.mousemove(onMouseMove); + }); + + plot.hooks.drawOverlay.push(function (plot, ctx) { + var c = plot.getOptions().crosshair; + if (!c.mode) + return; + + var plotOffset = plot.getPlotOffset(); + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + if (crosshair.x != -1) { + var adj = plot.getOptions().crosshair.lineWidth % 2 ? 0.5 : 0; + + ctx.strokeStyle = c.color; + ctx.lineWidth = c.lineWidth; + ctx.lineJoin = "round"; + + ctx.beginPath(); + if (c.mode.indexOf("x") != -1) { + var drawX = Math.floor(crosshair.x) + adj; + ctx.moveTo(drawX, 0); + ctx.lineTo(drawX, plot.height()); + } + if (c.mode.indexOf("y") != -1) { + var drawY = Math.floor(crosshair.y) + adj; + ctx.moveTo(0, drawY); + ctx.lineTo(plot.width(), drawY); + } + ctx.stroke(); + } + ctx.restore(); + }); + + plot.hooks.shutdown.push(function (plot, eventHolder) { + eventHolder.unbind("mouseout", onMouseOut); + eventHolder.unbind("mousemove", onMouseMove); + }); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'crosshair', + version: '1.0' + }); +})(jQuery); diff --git a/src/vendor/flot/jquery.flot.dashes.js b/src/vendor/flot/jquery.flot.dashes.js new file mode 100644 index 0000000..5b204a5 --- /dev/null +++ b/src/vendor/flot/jquery.flot.dashes.js @@ -0,0 +1,236 @@ +/* + * jQuery.flot.dashes + * + * options = { + * series: { + * dashes: { + * + * // show + * // default: false + * // Whether to show dashes for the series. + * show: , + * + * // lineWidth + * // default: 2 + * // The width of the dashed line in pixels. + * lineWidth: , + * + * // dashLength + * // default: 10 + * // Controls the length of the individual dashes and the amount of + * // space between them. + * // If this is a number, the dashes and spaces will have that length. + * // If this is an array, it is read as [ dashLength, spaceLength ] + * dashLength: or + * } + * } + * } + */ +(function($){ + + function init(plot) { + + plot.hooks.processDatapoints.push(function(plot, series, datapoints) { + + if (!series.dashes.show) return; + + plot.hooks.draw.push(function(plot, ctx) { + + var plotOffset = plot.getPlotOffset(), + axisx = series.xaxis, + axisy = series.yaxis; + + function plotDashes(xoffset, yoffset) { + + var points = datapoints.points, + ps = datapoints.pointsize, + prevx = null, + prevy = null, + dashRemainder = 0, + dashOn = true, + dashOnLength, + dashOffLength; + + if (series.dashes.dashLength[0]) { + dashOnLength = series.dashes.dashLength[0]; + if (series.dashes.dashLength[1]) { + dashOffLength = series.dashes.dashLength[1]; + } else { + dashOffLength = dashOnLength; + } + } else { + dashOffLength = dashOnLength = series.dashes.dashLength; + } + + ctx.beginPath(); + + for (var i = ps; i < points.length; i += ps) { + + var x1 = points[i - ps], + y1 = points[i - ps + 1], + x2 = points[i], + y2 = points[i + 1]; + + if (x1 == null || x2 == null) continue; + + // clip with ymin + if (y1 <= y2 && y1 < axisy.min) { + if (y2 < axisy.min) continue; // line segment is outside + // compute new intersection point + x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.min; + } else if (y2 <= y1 && y2 < axisy.min) { + if (y1 < axisy.min) continue; + x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.min; + } + + // clip with ymax + if (y1 >= y2 && y1 > axisy.max) { + if (y2 > axisy.max) continue; + x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.max; + } else if (y2 >= y1 && y2 > axisy.max) { + if (y1 > axisy.max) continue; + x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.max; + } + + // clip with xmin + if (x1 <= x2 && x1 < axisx.min) { + if (x2 < axisx.min) continue; + y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.min; + } else if (x2 <= x1 && x2 < axisx.min) { + if (x1 < axisx.min) continue; + y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.min; + } + + // clip with xmax + if (x1 >= x2 && x1 > axisx.max) { + if (x2 > axisx.max) continue; + y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.max; + } else if (x2 >= x1 && x2 > axisx.max) { + if (x1 > axisx.max) continue; + y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.max; + } + + if (x1 != prevx || y1 != prevy) { + ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset); + } + + var ax1 = axisx.p2c(x1) + xoffset, + ay1 = axisy.p2c(y1) + yoffset, + ax2 = axisx.p2c(x2) + xoffset, + ay2 = axisy.p2c(y2) + yoffset, + dashOffset; + + function lineSegmentOffset(segmentLength) { + + var c = Math.sqrt(Math.pow(ax2 - ax1, 2) + Math.pow(ay2 - ay1, 2)); + + if (c <= segmentLength) { + return { + deltaX: ax2 - ax1, + deltaY: ay2 - ay1, + distance: c, + remainder: segmentLength - c + } + } else { + var xsign = ax2 > ax1 ? 1 : -1, + ysign = ay2 > ay1 ? 1 : -1; + return { + deltaX: xsign * Math.sqrt(Math.pow(segmentLength, 2) / (1 + Math.pow((ay2 - ay1)/(ax2 - ax1), 2))), + deltaY: ysign * Math.sqrt(Math.pow(segmentLength, 2) - Math.pow(segmentLength, 2) / (1 + Math.pow((ay2 - ay1)/(ax2 - ax1), 2))), + distance: segmentLength, + remainder: 0 + }; + } + } + //-end lineSegmentOffset + + do { + + dashOffset = lineSegmentOffset( + dashRemainder > 0 ? dashRemainder : + dashOn ? dashOnLength : dashOffLength); + + if (dashOffset.deltaX != 0 || dashOffset.deltaY != 0) { + if (dashOn) { + ctx.lineTo(ax1 + dashOffset.deltaX, ay1 + dashOffset.deltaY); + } else { + ctx.moveTo(ax1 + dashOffset.deltaX, ay1 + dashOffset.deltaY); + } + } + + dashOn = !dashOn; + dashRemainder = dashOffset.remainder; + ax1 += dashOffset.deltaX; + ay1 += dashOffset.deltaY; + + } while (dashOffset.distance > 0); + + prevx = x2; + prevy = y2; + } + + ctx.stroke(); + } + //-end plotDashes + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + ctx.lineJoin = 'round'; + + var lw = series.dashes.lineWidth, + sw = series.shadowSize; + + // FIXME: consider another form of shadow when filling is turned on + if (lw > 0 && sw > 0) { + // draw shadow as a thick and thin line with transparency + ctx.lineWidth = sw; + ctx.strokeStyle = "rgba(0,0,0,0.1)"; + // position shadow at angle from the mid of line + var angle = Math.PI/18; + plotDashes(Math.sin(angle) * (lw/2 + sw/2), Math.cos(angle) * (lw/2 + sw/2)); + ctx.lineWidth = sw/2; + plotDashes(Math.sin(angle) * (lw/2 + sw/4), Math.cos(angle) * (lw/2 + sw/4)); + } + + ctx.lineWidth = lw; + ctx.strokeStyle = series.color; + + if (lw > 0) { + plotDashes(0, 0); + } + + ctx.restore(); + + }); + //-end draw hook + + }); + //-end processDatapoints hook + + } + //-end init + + $.plot.plugins.push({ + init: init, + options: { + series: { + dashes: { + show: false, + lineWidth: 2, + dashLength: 10 + } + } + }, + name: 'dashes', + version: '0.1' + }); + +})(jQuery) diff --git a/src/vendor/flot/jquery.flot.events.js b/src/vendor/flot/jquery.flot.events.js new file mode 100644 index 0000000..1aa79c5 --- /dev/null +++ b/src/vendor/flot/jquery.flot.events.js @@ -0,0 +1,604 @@ +define([ + 'jquery', + 'lodash', + 'angular', + 'tether-drop', +], +function ($, _, angular, Drop) { + 'use strict'; + + function createAnnotationToolip(element, event, plot) { + var injector = angular.element(document).injector(); + var content = document.createElement('div'); + content.innerHTML = ''; + + injector.invoke(["$compile", "$rootScope", function($compile, $rootScope) { + var eventManager = plot.getOptions().events.manager; + var tmpScope = $rootScope.$new(true); + tmpScope.event = event; + tmpScope.onEdit = function() { + eventManager.editEvent(event); + }; + + $compile(content)(tmpScope); + tmpScope.$digest(); + tmpScope.$destroy(); + + var drop = new Drop({ + target: element[0], + content: content, + position: "bottom center", + classes: 'drop-popover drop-popover--annotation', + openOn: 'hover', + hoverCloseDelay: 200, + tetherOptions: { + constraints: [{to: 'window', pin: true, attachment: "both"}] + } + }); + + drop.open(); + + drop.on('close', function() { + setTimeout(function() { + drop.destroy(); + }); + }); + }]); + } + + var markerElementToAttachTo = null; + + function createEditPopover(element, event, plot) { + var eventManager = plot.getOptions().events.manager; + if (eventManager.editorOpen) { + // update marker element to attach to (needed in case of legend on the right + // when there is a double render pass and the inital marker element is removed) + markerElementToAttachTo = element; + return; + } + + // mark as openend + eventManager.editorOpened(); + // set marker elment to attache to + markerElementToAttachTo = element; + + // wait for element to be attached and positioned + setTimeout(function() { + + var injector = angular.element(document).injector(); + var content = document.createElement('div'); + content.innerHTML = ''; + + injector.invoke(["$compile", "$rootScope", function($compile, $rootScope) { + var scope = $rootScope.$new(true); + var drop; + + scope.event = event; + scope.panelCtrl = eventManager.panelCtrl; + scope.close = function() { + drop.close(); + }; + + $compile(content)(scope); + scope.$digest(); + + drop = new Drop({ + target: markerElementToAttachTo[0], + content: content, + position: "bottom center", + classes: 'drop-popover drop-popover--form', + openOn: 'click', + tetherOptions: { + constraints: [{to: 'window', pin: true, attachment: "both"}] + } + }); + + drop.open(); + eventManager.editorOpened(); + + drop.on('close', function() { + // need timeout here in order call drop.destroy + setTimeout(function() { + eventManager.editorClosed(); + scope.$destroy(); + drop.destroy(); + }); + }); + }]); + + }, 100); + } + + /* + * jquery.flot.events + * + * description: Flot plugin for adding events/markers to the plot + * version: 0.2.5 + * authors: + * Alexander Wunschik + * Joel Oughton + * Nicolas Joseph + * + * website: https://github.com/mojoaxel/flot-events + * + * released under MIT License and GPLv2+ + */ + + /** + * A class that allows for the drawing an remove of some object + */ + var DrawableEvent = function(object, drawFunc, clearFunc, moveFunc, left, top, width, height) { + var _object = object; + var _drawFunc = drawFunc; + var _clearFunc = clearFunc; + var _moveFunc = moveFunc; + var _position = { left: left, top: top }; + var _width = width; + var _height = height; + + this.width = function() { return _width; }; + this.height = function() { return _height; }; + this.position = function() { return _position; }; + this.draw = function() { _drawFunc(_object); }; + this.clear = function() { _clearFunc(_object); }; + this.getObject = function() { return _object; }; + this.moveTo = function(position) { + _position = position; + _moveFunc(_object, _position); + }; + }; + + /** + * Event class that stores options (eventType, min, max, title, description) and the object to draw. + */ + var VisualEvent = function(options, drawableEvent) { + var _parent; + var _options = options; + var _drawableEvent = drawableEvent; + var _hidden = false; + + this.visual = function() { return _drawableEvent; }; + this.getOptions = function() { return _options; }; + this.getParent = function() { return _parent; }; + this.isHidden = function() { return _hidden; }; + this.hide = function() { _hidden = true; }; + this.unhide = function() { _hidden = false; }; + }; + + /** + * A Class that handles the event-markers inside the given plot + */ + var EventMarkers = function(plot) { + var _events = []; + + this._types = []; + this._plot = plot; + this.eventsEnabled = false; + + this.getEvents = function() { + return _events; + }; + + this.setTypes = function(types) { + return this._types = types; + }; + + /** + * create internal objects for the given events + */ + this.setupEvents = function(events) { + var that = this; + var parts = _.partition(events, 'isRegion'); + var regions = parts[0]; + events = parts[1]; + + $.each(events, function(index, event) { + var ve = new VisualEvent(event, that._buildDiv(event)); + _events.push(ve); + }); + + $.each(regions, function (index, event) { + var vre = new VisualEvent(event, that._buildRegDiv(event)); + _events.push(vre); + }); + + _events.sort(function(a, b) { + var ao = a.getOptions(), bo = b.getOptions(); + if (ao.min > bo.min) { return 1; } + if (ao.min < bo.min) { return -1; } + return 0; + }); + }; + + /** + * draw the events to the plot + */ + this.drawEvents = function() { + var that = this; + // var o = this._plot.getPlotOffset(); + + $.each(_events, function(index, event) { + // check event is inside the graph range + if (that._insidePlot(event.getOptions().min) && !event.isHidden()) { + event.visual().draw(); + } else { + event.visual().getObject().hide(); + } + }); + }; + + /** + * update the position of the event-markers (e.g. after scrolling or zooming) + */ + this.updateEvents = function() { + var that = this; + var o = this._plot.getPlotOffset(), left, top; + var xaxis = this._plot.getXAxes()[this._plot.getOptions().events.xaxis - 1]; + + $.each(_events, function(index, event) { + top = o.top + that._plot.height() - event.visual().height(); + left = xaxis.p2c(event.getOptions().min) + o.left - event.visual().width() / 2; + event.visual().moveTo({ top: top, left: left }); + }); + }; + + /** + * remove all events from the plot + */ + this._clearEvents = function() { + $.each(_events, function(index, val) { + val.visual().clear(); + }); + _events = []; + }; + + /** + * create a DOM element for the given event + */ + this._buildDiv = function(event) { + var that = this; + + var container = this._plot.getPlaceholder(); + var o = this._plot.getPlotOffset(); + var axes = this._plot.getAxes(); + var xaxis = this._plot.getXAxes()[this._plot.getOptions().events.xaxis - 1]; + var yaxis, top, left, color, markerSize, markerShow, lineStyle, lineWidth; + var markerTooltip; + + // determine the y axis used + if (axes.yaxis && axes.yaxis.used) { yaxis = axes.yaxis; } + if (axes.yaxis2 && axes.yaxis2.used) { yaxis = axes.yaxis2; } + + // map the eventType to a types object + var eventTypeId = event.eventType; + + if (this._types === null || !this._types[eventTypeId] || !this._types[eventTypeId].color) { + color = '#666'; + } else { + color = this._types[eventTypeId].color; + } + + if (this._types === null || !this._types[eventTypeId] || !this._types[eventTypeId].markerSize) { + markerSize = 8; //default marker size + } else { + markerSize = this._types[eventTypeId].markerSize; + } + + if (this._types === null || !this._types[eventTypeId] || this._types[eventTypeId].markerShow === undefined) { + markerShow = true; + } else { + markerShow = this._types[eventTypeId].markerShow; + } + + if (this._types === null || !this._types[eventTypeId] || this._types[eventTypeId].markerTooltip === undefined) { + markerTooltip = true; + } else { + markerTooltip = this._types[eventTypeId].markerTooltip; + } + + if (this._types == null || !this._types[eventTypeId] || !this._types[eventTypeId].lineStyle) { + lineStyle = 'dashed'; //default line style + } else { + lineStyle = this._types[eventTypeId].lineStyle.toLowerCase(); + } + + if (this._types == null || !this._types[eventTypeId] || this._types[eventTypeId].lineWidth === undefined) { + lineWidth = 1; //default line width + } else { + lineWidth = this._types[eventTypeId].lineWidth; + } + + var topOffset = xaxis.options.eventSectionHeight || 0; + topOffset = topOffset / 3; + + top = o.top + this._plot.height() + topOffset; + left = xaxis.p2c(event.min) + o.left; + + var line = $('
').css({ + "position": "absolute", + "opacity": 0.8, + "left": left + 'px', + "top": 8, + "width": lineWidth + "px", + "height": this._plot.height() + topOffset * 0.8, + "border-left-width": lineWidth + "px", + "border-left-style": lineStyle, + "border-left-color": color, + "color": color + }) + .appendTo(container); + + if (markerShow) { + var marker = $('
').css({ + "position": "absolute", + "left": (-markerSize - Math.round(lineWidth / 2)) + "px", + "font-size": 0, + "line-height": 0, + "width": 0, + "height": 0, + "border-left": markerSize+"px solid transparent", + "border-right": markerSize+"px solid transparent" + }); + + marker.appendTo(line); + + if (this._types[eventTypeId] && this._types[eventTypeId].position && this._types[eventTypeId].position.toUpperCase() === 'BOTTOM') { + marker.css({ + "top": top-markerSize-8 +"px", + "border-top": "none", + "border-bottom": markerSize+"px solid " + color + }); + } else { + marker.css({ + "top": "0px", + "border-top": markerSize+"px solid " + color, + "border-bottom": "none" + }); + } + + marker.data({ + "event": event + }); + + var mouseenter = function() { + createAnnotationToolip(marker, $(this).data("event"), that._plot); + }; + + if (event.editModel) { + createEditPopover(marker, event.editModel, that._plot); + } + + var mouseleave = function() { + that._plot.clearSelection(); + }; + + if (markerTooltip) { + marker.css({ "cursor": "help" }); + marker.hover(mouseenter, mouseleave); + } + } + + var drawableEvent = new DrawableEvent( + line, + function drawFunc(obj) { obj.show(); }, + function(obj) { obj.remove(); }, + function(obj, position) { + obj.css({ + top: position.top, + left: position.left + }); + }, + left, + top, + line.width(), + line.height() + ); + + return drawableEvent; + }; + + /** + * create a DOM element for the given region + */ + this._buildRegDiv = function (event) { + var that = this; + + var container = this._plot.getPlaceholder(); + var o = this._plot.getPlotOffset(); + var axes = this._plot.getAxes(); + var xaxis = this._plot.getXAxes()[this._plot.getOptions().events.xaxis - 1]; + var yaxis, top, left, lineWidth, regionWidth, lineStyle, color, markerTooltip; + + // determine the y axis used + if (axes.yaxis && axes.yaxis.used) { yaxis = axes.yaxis; } + if (axes.yaxis2 && axes.yaxis2.used) { yaxis = axes.yaxis2; } + + // map the eventType to a types object + var eventTypeId = event.eventType; + + if (this._types === null || !this._types[eventTypeId] || !this._types[eventTypeId].color) { + color = '#666'; + } else { + color = this._types[eventTypeId].color; + } + + if (this._types === null || !this._types[eventTypeId] || this._types[eventTypeId].markerTooltip === undefined) { + markerTooltip = true; + } else { + markerTooltip = this._types[eventTypeId].markerTooltip; + } + + if (this._types == null || !this._types[eventTypeId] || this._types[eventTypeId].lineWidth === undefined) { + lineWidth = 1; //default line width + } else { + lineWidth = this._types[eventTypeId].lineWidth; + } + + if (this._types == null || !this._types[eventTypeId] || !this._types[eventTypeId].lineStyle) { + lineStyle = 'dashed'; //default line style + } else { + lineStyle = this._types[eventTypeId].lineStyle.toLowerCase(); + } + + var topOffset = 2; + top = o.top + this._plot.height() + topOffset; + + var timeFrom = Math.min(event.min, event.timeEnd); + var timeTo = Math.max(event.min, event.timeEnd); + left = xaxis.p2c(timeFrom) + o.left; + var right = xaxis.p2c(timeTo) + o.left; + regionWidth = right - left; + + _.each([left, right], function(position) { + var line = $('
').css({ + "position": "absolute", + "opacity": 0.8, + "left": position + 'px', + "top": 8, + "width": lineWidth + "px", + "height": that._plot.height() + topOffset, + "border-left-width": lineWidth + "px", + "border-left-style": lineStyle, + "border-left-color": color, + "color": color + }); + line.appendTo(container); + }); + + var region = $('
').css({ + "position": "absolute", + "opacity": 0.5, + "left": left + 'px', + "top": top, + "width": Math.round(regionWidth + lineWidth) + "px", + "height": "0.5rem", + "border-left-color": color, + "color": color, + "background-color": color + }); + region.appendTo(container); + + region.data({ + "event": event + }); + + var mouseenter = function () { + createAnnotationToolip(region, $(this).data("event"), that._plot); + }; + + if (event.editModel) { + createEditPopover(region, event.editModel, that._plot); + } + + var mouseleave = function () { + that._plot.clearSelection(); + }; + + if (markerTooltip) { + region.css({ "cursor": "help" }); + region.hover(mouseenter, mouseleave); + } + + var drawableEvent = new DrawableEvent( + region, + function drawFunc(obj) { obj.show(); }, + function (obj) { obj.remove(); }, + function (obj, position) { + obj.css({ + top: position.top, + left: position.left + }); + }, + left, + top, + region.width(), + region.height() + ); + + return drawableEvent; + }; + + /** + * check if the event is inside visible range + */ + this._insidePlot = function(x) { + var xaxis = this._plot.getXAxes()[this._plot.getOptions().events.xaxis - 1]; + var xc = xaxis.p2c(x); + return xc > 0 && xc < xaxis.p2c(xaxis.max); + }; + }; + + /** + * initialize the plugin for the given plot + */ + function init(plot) { + /*jshint validthis:true */ + var that = this; + var eventMarkers = new EventMarkers(plot); + + plot.getEvents = function() { + return eventMarkers._events; + }; + + plot.hideEvents = function() { + $.each(eventMarkers._events, function(index, event) { + event.visual().getObject().hide(); + }); + }; + + plot.showEvents = function() { + plot.hideEvents(); + $.each(eventMarkers._events, function(index, event) { + event.hide(); + }); + + that.eventMarkers.drawEvents(); + }; + + // change events on an existing plot + plot.setEvents = function(events) { + if (eventMarkers.eventsEnabled) { + eventMarkers.setupEvents(events); + } + }; + + plot.hooks.processOptions.push(function(plot, options) { + // enable the plugin + if (options.events.data != null) { + eventMarkers.eventsEnabled = true; + } + }); + + plot.hooks.draw.push(function(plot) { + var options = plot.getOptions(); + + if (eventMarkers.eventsEnabled) { + // check for first run + if (eventMarkers.getEvents().length < 1) { + eventMarkers.setTypes(options.events.types); + eventMarkers.setupEvents(options.events.data); + } else { + eventMarkers.updateEvents(); + } + } + + eventMarkers.drawEvents(); + }); + } + + var defaultOptions = { + events: { + data: null, + types: null, + xaxis: 1, + position: 'BOTTOM' + } + }; + + $.plot.plugins.push({ + init: init, + options: defaultOptions, + name: "events", + version: "0.2.5" + }); +}); diff --git a/src/vendor/flot/jquery.flot.fillbelow.js b/src/vendor/flot/jquery.flot.fillbelow.js new file mode 100644 index 0000000..ede2cb5 --- /dev/null +++ b/src/vendor/flot/jquery.flot.fillbelow.js @@ -0,0 +1,288 @@ +(function($) { + "use strict"; + + var options = { + series: { + fillBelowTo: null + } + }; + + function init(plot) { + function findBelowSeries( series, allseries ) { + + var i; + + for ( i = 0; i < allseries.length; ++i ) { + if ( allseries[ i ].id === series.fillBelowTo ) { + return allseries[ i ]; + } + } + + return null; + } + + /* top and bottom doesn't actually matter for this, we're just using it to help make this easier to think about */ + /* this is a vector cross product operation */ + function segmentIntersection(top_left_x, top_left_y, top_right_x, top_right_y, bottom_left_x, bottom_left_y, bottom_right_x, bottom_right_y) { + var top_delta_x, top_delta_y, bottom_delta_x, bottom_delta_y, + s, t; + + top_delta_x = top_right_x - top_left_x; + top_delta_y = top_right_y - top_left_y; + bottom_delta_x = bottom_right_x - bottom_left_x; + bottom_delta_y = bottom_right_y - bottom_left_y; + + s = ( + (-top_delta_y * (top_left_x - bottom_left_x)) + (top_delta_x * (top_left_y - bottom_left_y)) + ) / ( + -bottom_delta_x * top_delta_y + top_delta_x * bottom_delta_y + ); + + t = ( + (bottom_delta_x * (top_left_y - bottom_left_y)) - (bottom_delta_y * (top_left_x - bottom_left_x)) + ) / ( + -bottom_delta_x * top_delta_y + top_delta_x * bottom_delta_y + ); + + // Collision detected + if (s >= 0 && s <= 1 && t >= 0 && t <= 1) { + return [ + top_left_x + (t * top_delta_x), // X + top_left_y + (t * top_delta_y) // Y + ]; + } + + // No collision + return null; + } + + function plotDifferenceArea(plot, ctx, series) { + if ( series.fillBelowTo === null ) { + return; + } + + var otherseries, + + ps, + points, + + otherps, + otherpoints, + + plotOffset, + fillStyle; + + function openPolygon(x, y) { + ctx.beginPath(); + ctx.moveTo( + series.xaxis.p2c(x) + plotOffset.left, + series.yaxis.p2c(y) + plotOffset.top + ); + + } + + function closePolygon() { + ctx.closePath(); + ctx.fill(); + } + + function validateInput() { + if (points.length/ps !== otherpoints.length/otherps) { + console.error("Refusing to graph inconsistent number of points"); + return false; + } + + var i; + for (i = 0; i < (points.length / ps); i++) { + if ( + points[i * ps] !== null && + otherpoints[i * otherps] !== null && + points[i * ps] !== otherpoints[i * otherps] + ) { + console.error("Refusing to graph points without matching value"); + return false; + } + } + + return true; + } + + function findNextStart(start_i, end_i) { + console.assert(end_i > start_i, "expects the end index to be greater than the start index"); + + var start = ( + start_i === 0 || + points[start_i - 1] === null || + otherpoints[start_i - 1] === null + ), + equal = false, + i, + intersect; + + for (i = start_i; i < end_i; i++) { + // Take note of null points + if ( + points[(i * ps) + 1] === null || + otherpoints[(i * ps) + 1] === null + ) { + equal = false; + start = true; + } + + // Take note of equal points + else if (points[(i * ps) + 1] === otherpoints[(i * otherps) + 1]) { + equal = true; + start = false; + } + + + else if (points[(i * ps) + 1] > otherpoints[(i * otherps) + 1]) { + // If we begin above the desired point + if (start) { + openPolygon(points[i * ps], points[(i * ps) + 1]); + } + + // If an equal point preceeds this, start the polygon at that equal point + else if (equal) { + openPolygon(points[(i - 1) * ps], points[((i - 1) * ps) + 1]); + } + + // Otherwise, find the intersection point, and start it there + else { + intersect = intersectionPoint(i); + openPolygon(intersect[0], intersect[1]); + } + + topTraversal(i, end_i); + return; + } + + // If we go below equal, equal at any preceeding point is irrelevant + else { + start = false; + equal = false; + } + } + } + + function intersectionPoint(right_i) { + console.assert(right_i > 0, "expects the second point in the series line segment"); + + var i, intersect; + + for (i = 1; i < (otherpoints.length/otherps); i++) { + intersect = segmentIntersection( + points[(right_i - 1) * ps], points[((right_i - 1) * ps) + 1], + points[right_i * ps], points[(right_i * ps) + 1], + + otherpoints[(i - 1) * otherps], otherpoints[((i - 1) * otherps) + 1], + otherpoints[i * otherps], otherpoints[(i * otherps) + 1] + ); + + if (intersect !== null) { + return intersect; + } + } + + console.error("intersectionPoint() should only be called when an intersection happens"); + } + + function bottomTraversal(start_i, end_i) { + console.assert(start_i >= end_i, "the start should be the rightmost point, and the end should be the leftmost (excluding the equal or intersecting point)"); + + var i; + + for (i = start_i; i >= end_i; i--) { + ctx.lineTo( + otherseries.xaxis.p2c(otherpoints[i * otherps]) + plotOffset.left, + otherseries.yaxis.p2c(otherpoints[(i * otherps) + 1]) + plotOffset.top + ); + } + + closePolygon(); + } + + function topTraversal(start_i, end_i) { + console.assert(start_i <= end_i, "the start should be the rightmost point, and the end should be the leftmost (excluding the equal or intersecting point)"); + + var i, + intersect; + + for (i = start_i; i < end_i; i++) { + if (points[(i * ps) + 1] === null && i > start_i) { + bottomTraversal(i - 1, start_i); + findNextStart(i, end_i); + return; + } + + else if (points[(i * ps) + 1] === otherpoints[(i * otherps) + 1]) { + bottomTraversal(i, start_i); + findNextStart(i, end_i); + return; + } + + else if (points[(i * ps) + 1] < otherpoints[(i * otherps) + 1]) { + intersect = intersectionPoint(i); + ctx.lineTo( + series.xaxis.p2c(intersect[0]) + plotOffset.left, + series.yaxis.p2c(intersect[1]) + plotOffset.top + ); + bottomTraversal(i, start_i); + findNextStart(i, end_i); + return; + + } + + else { + ctx.lineTo( + series.xaxis.p2c(points[i * ps]) + plotOffset.left, + series.yaxis.p2c(points[(i * ps) + 1]) + plotOffset.top + ); + } + } + + bottomTraversal(end_i, start_i); + } + + + // Begin processing + + otherseries = findBelowSeries( series, plot.getData() ); + + if ( !otherseries ) { + return; + } + + ps = series.datapoints.pointsize; + points = series.datapoints.points; + otherps = otherseries.datapoints.pointsize; + otherpoints = otherseries.datapoints.points; + plotOffset = plot.getPlotOffset(); + + if (!validateInput()) { + return; + } + + + // Flot's getFillStyle() should probably be exposed somewhere + fillStyle = $.color.parse(series.color); + fillStyle.a = 0.4; + fillStyle.normalize(); + ctx.fillStyle = fillStyle.toString(); + + + // Begin recursive bi-directional traversal + findNextStart(0, points.length/ps); + } + + plot.hooks.drawSeries.push(plotDifferenceArea); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: "fillbelow", + version: "0.1.0" + }); + +})(jQuery); diff --git a/src/vendor/flot/jquery.flot.fillbetween.js b/src/vendor/flot/jquery.flot.fillbetween.js new file mode 100644 index 0000000..bd94567 --- /dev/null +++ b/src/vendor/flot/jquery.flot.fillbetween.js @@ -0,0 +1,225 @@ +/* Flot plugin for computing bottoms for filled line and bar charts. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +The case: you've got two series that you want to fill the area between. In Flot +terms, you need to use one as the fill bottom of the other. You can specify the +bottom of each data point as the third coordinate manually, or you can use this +plugin to compute it for you. + +In order to name the other series, you need to give it an id, like this: + + var dataset = [ + { data: [ ... ], id: "foo" } , // use default bottom + { data: [ ... ], fillBetween: "foo" }, // use first dataset as bottom + ]; + + $.plot($("#placeholder"), dataset, { lines: { show: true, fill: true }}); + +As a convenience, if the id given is a number that doesn't appear as an id in +the series, it is interpreted as the index in the array instead (so fillBetween: +0 can also mean the first series). + +Internally, the plugin modifies the datapoints in each series. For line series, +extra data points might be inserted through interpolation. Note that at points +where the bottom line is not defined (due to a null point or start/end of line), +the current line will show a gap too. The algorithm comes from the +jquery.flot.stack.js plugin, possibly some code could be shared. + +*/ + +(function ( $ ) { + + var options = { + series: { + fillBetween: null // or number + } + }; + + function init( plot ) { + + function findBottomSeries( s, allseries ) { + + var i; + + for ( i = 0; i < allseries.length; ++i ) { + if ( allseries[ i ].id === s.fillBetween ) { + return allseries[ i ]; + } + } + + if ( typeof s.fillBetween === "number" ) { + if ( s.fillBetween < 0 || s.fillBetween >= allseries.length ) { + return null; + } + return allseries[ s.fillBetween ]; + } + + return null; + } + + function computeFillBottoms( plot, s, datapoints ) { + if ( s.fillBetween == null ) { + return; + } + + var other = findBottomSeries( s, plot.getData() ); + + if ( !other ) { + return; + } + + var ps = datapoints.pointsize, + points = datapoints.points, + otherps = other.datapoints.pointsize, + otherpoints = other.datapoints.points, + newpoints = [], + px, py, intery, qx, qy, bottom, + withlines = s.lines.show, + withbottom = ps > 2 && datapoints.format[2].y, + withsteps = withlines && s.lines.steps, + fromgap = true, + i = 0, + j = 0, + l, m; + + while ( true ) { + + if ( i >= points.length ) { + break; + } + + l = newpoints.length; + + if ( points[ i ] == null ) { + + // copy gaps + + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + + i += ps; + + } else if ( j >= otherpoints.length ) { + + // for lines, we can't use the rest of the points + + if ( !withlines ) { + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + } + + i += ps; + + } else if ( otherpoints[ j ] == null ) { + + // oops, got a gap + + for ( m = 0; m < ps; ++m ) { + newpoints.push( null ); + } + + fromgap = true; + j += otherps; + + } else { + + // cases where we actually got two points + + px = points[ i ]; + py = points[ i + 1 ]; + qx = otherpoints[ j ]; + qy = otherpoints[ j + 1 ]; + bottom = 0; + + if ( px === qx ) { + + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + + //newpoints[ l + 1 ] += qy; + bottom = qy; + + i += ps; + j += otherps; + + } else if ( px > qx ) { + + // we got past point below, might need to + // insert interpolated extra point + + if ( withlines && i > 0 && points[ i - ps ] != null ) { + intery = py + ( points[ i - ps + 1 ] - py ) * ( qx - px ) / ( points[ i - ps ] - px ); + newpoints.push( qx ); + newpoints.push( intery ); + for ( m = 2; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + bottom = qy; + } + + j += otherps; + + } else { // px < qx + + // if we come from a gap, we just skip this point + + if ( fromgap && withlines ) { + i += ps; + continue; + } + + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + + // we might be able to interpolate a point below, + // this can give us a better y + + if ( withlines && j > 0 && otherpoints[ j - otherps ] != null ) { + bottom = qy + ( otherpoints[ j - otherps + 1 ] - qy ) * ( px - qx ) / ( otherpoints[ j - otherps ] - qx ); + } + + //newpoints[l + 1] += bottom; + + i += ps; + } + + fromgap = false; + + if ( l !== newpoints.length && withbottom ) { + newpoints[ l + 2 ] = bottom; + } + } + + // maintain the line steps invariant + + if ( withsteps && l !== newpoints.length && l > 0 && + newpoints[ l ] !== null && + newpoints[ l ] !== newpoints[ l - ps ] && + newpoints[ l + 1 ] !== newpoints[ l - ps + 1 ] ) { + for (m = 0; m < ps; ++m) { + newpoints[ l + ps + m ] = newpoints[ l + m ]; + } + newpoints[ l + 1 ] = newpoints[ l - ps + 1 ]; + } + } + + datapoints.points = newpoints; + } + + plot.hooks.processDatapoints.push( computeFillBottoms ); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: "fillbetween", + version: "1.0" + }); + +})(jQuery); \ No newline at end of file diff --git a/src/vendor/flot/jquery.flot.gauge.js b/src/vendor/flot/jquery.flot.gauge.js new file mode 100644 index 0000000..14866db --- /dev/null +++ b/src/vendor/flot/jquery.flot.gauge.js @@ -0,0 +1,960 @@ +/*! + * jquery.flot.gauge v1.1.0 * + * + * Flot plugin for rendering gauge charts. + * + * Copyright (c) 2015 @toyoty99. + * Licensed under the MIT license. + */ + +/** + * @module flot.gauge + */ +(function($) { + + + /** + * Gauge class + * + * @class Gauge + */ + var Gauge = (function() { + /** + * context of canvas + * + * @property context + * @type Object + */ + var context; + /** + * placeholder of canvas + * + * @property placeholder + * @type Object + */ + var placeholder; + /** + * options of plot + * + * @property options + * @type Object + */ + var options; + /** + * options of gauge + * + * @property gaugeOptions + * @type Object + */ + var gaugeOptions; + /** + * data series + * + * @property series + * @type Array + */ + var series; + /** + * logger + * + * @property logger + * @type Object + */ + var logger; + + /** + * constructor + * + * @class Gauge + * @constructor + * @param {Object} gaugeOptions gauge options + */ + var Gauge = function(plot, ctx) { + context = ctx; + placeholder = plot.getPlaceholder(); + options = plot.getOptions(); + gaugeOptions = options.series.gauges; + series = plot.getData(); + logger = getLogger(gaugeOptions.debug); + } + + /** + * calculate layout + * + * @method calculateLayout + * @return the calculated layout properties + */ + Gauge.prototype.calculateLayout = function() { + + var canvasWidth = placeholder.width(); + var canvasHeight = placeholder.height(); + + + + // calculate cell size + var columns = Math.min(series.length, gaugeOptions.layout.columns); + var rows = Math.ceil(series.length / columns); + + + + var margin = gaugeOptions.layout.margin; + var hMargin = gaugeOptions.layout.hMargin; + var vMargin = gaugeOptions.layout.vMargin; + var cellWidth = (canvasWidth - (margin * 2) - (hMargin * (columns - 1))) / columns; + var cellHeight = (canvasHeight - (margin * 2) - (vMargin * (rows - 1))) / rows; + if (gaugeOptions.layout.square) { + var cell = Math.min(cellWidth, cellHeight); + cellWidth = cell; + cellHeight = cell; + } + + + + // calculate 'auto' values + calculateAutoValues(gaugeOptions, cellWidth); + + // calculate maximum radius + var cellMargin = gaugeOptions.cell.margin; + var labelMargin = 0; + var labelFontSize = 0; + if (gaugeOptions.label.show) { + labelMargin = gaugeOptions.label.margin; + labelFontSize = gaugeOptions.label.font.size; + } + var valueMargin = 0; + var valueFontSize = 0; + if (gaugeOptions.value.show) { + valueMargin = gaugeOptions.value.margin; + valueFontSize = gaugeOptions.value.font.size; + } + var thresholdWidth = 0; + if (gaugeOptions.threshold.show) { + thresholdWidth = gaugeOptions.threshold.width; + } + var thresholdLabelMargin = 0; + var thresholdLabelFontSize = 0; + if (gaugeOptions.threshold.label.show) { + thresholdLabelMargin = gaugeOptions.threshold.label.margin; + thresholdLabelFontSize = gaugeOptions.threshold.label.font.size; + } + + var maxRadiusH = (cellWidth / 2) - cellMargin - thresholdWidth - (thresholdLabelMargin * 2) - thresholdLabelFontSize; + + var startAngle = gaugeOptions.gauge.startAngle; + var endAngle = gaugeOptions.gauge.endAngle; + var dAngle = (endAngle - startAngle) / 100; + var heightRatioV = -1; + for (var a = startAngle; a < endAngle; a += dAngle) { + heightRatioV = Math.max(heightRatioV, Math.sin(toRad(a))); + } + heightRatioV = Math.max(heightRatioV, Math.sin(toRad(endAngle))); + var outerRadiusV = (cellHeight - (cellMargin * 2) - (labelMargin * 2) - labelFontSize) / (1 + heightRatioV); + if (outerRadiusV * heightRatioV < valueMargin + (valueFontSize / 2)) { + outerRadiusV = cellHeight - (cellMargin * 2) - (labelMargin * 2) - labelFontSize - valueMargin - (valueFontSize / 2); + } + var maxRadiusV = outerRadiusV - (thresholdLabelMargin * 2) - thresholdLabelFontSize - thresholdWidth; + + var radius = Math.min(maxRadiusH, maxRadiusV); + + + var width = gaugeOptions.gauge.width; + if (width >= radius) { + width = Math.max(3, radius / 3); + } + + + var outerRadius = (thresholdLabelMargin * 2) + thresholdLabelFontSize + thresholdWidth + radius; + var gaugeOuterHeight = Math.max(outerRadius * (1 + heightRatioV), outerRadius + valueMargin + (valueFontSize / 2)); + + return { + canvasWidth: canvasWidth, + canvasHeight: canvasHeight, + margin: margin, + hMargin: hMargin, + vMargin: vMargin, + columns: columns, + rows: rows, + cellWidth: cellWidth, + cellHeight: cellHeight, + cellMargin: cellMargin, + labelMargin: labelMargin, + labelFontSize: labelFontSize, + valueMargin: valueMargin, + valueFontSize: valueFontSize, + width: width, + radius: radius, + thresholdWidth: thresholdWidth, + thresholdLabelMargin: thresholdLabelMargin, + thresholdLabelFontSize: thresholdLabelFontSize, + gaugeOuterHeight: gaugeOuterHeight + }; + } + + /** + * calculate the values which are set as 'auto' + * + * @method calculateAutoValues + * @param {Object} gaugeOptionsi the options of the gauge + * @param {Number} cellWidth the width of cell + */ + function calculateAutoValues(gaugeOptionsi, cellWidth) { + + if (gaugeOptionsi.gauge.width === "auto") { + gaugeOptionsi.gauge.width = Math.max(5, cellWidth / 8); + } + if (gaugeOptionsi.label.margin === "auto") { + gaugeOptionsi.label.margin = Math.max(1, cellWidth / 20); + } + if (gaugeOptionsi.label.font.size === "auto") { + gaugeOptionsi.label.font.size = Math.max(5, cellWidth / 8); + } + if (gaugeOptionsi.value.margin === "auto") { + gaugeOptionsi.value.margin = Math.max(1, cellWidth / 30); + } + if (gaugeOptionsi.value.font.size === "auto") { + gaugeOptionsi.value.font.size = Math.max(5, cellWidth / 9); + } + if (gaugeOptionsi.threshold.width === "auto") { + gaugeOptionsi.threshold.width = Math.max(3, cellWidth / 100); + } + if (gaugeOptionsi.threshold.label.margin === "auto") { + gaugeOptionsi.threshold.label.margin = Math.max(3, cellWidth / 40); + } + if (gaugeOptionsi.threshold.label.font.size === "auto") { + gaugeOptionsi.threshold.label.font.size = Math.max(5, cellWidth / 15); + } + + } + Gauge.prototype.calculateAutoValues = calculateAutoValues; + + /** + * calculate the layout of the cell inside + * + * @method calculateCellLayout + * @param {Object} gaugeOptionsi the options of the gauge + * @param {Number} cellWidth the width of cell + * @param {Number} i the index of the series + * @return the calculated cell layout properties + */ + Gauge.prototype.calculateCellLayout = function(gaugeOptionsi, layout, i) { + + // calculate top, left and center + var c = col(layout.columns, i); + var r = row(layout.columns, i); + var x = layout.margin + (layout.cellWidth + layout.hMargin) * c; + var y = layout.margin + (layout.cellHeight + layout.vMargin) * r; + var cx = x + (layout.cellWidth / 2); + var cy = y + layout.cellMargin + (layout.labelMargin * 2) + layout.labelFontSize + layout.thresholdWidth + + layout.thresholdLabelFontSize + (layout.thresholdLabelMargin * 2) + layout.radius; + var blank = layout.cellHeight - (layout.cellMargin * 2) - (layout.labelMargin * 2) - layout.labelFontSize - layout.gaugeOuterHeight; + var offsetY = 0; + if (gaugeOptionsi.cell.vAlign === "middle") { + offsetY = (blank / 2); + } else if (gaugeOptionsi.cell.vAlign === "bottom") { + offsetY = blank; + } + cy += offsetY; + + return { + col: c, + row: r, + x: x, + y: y, + offsetY: offsetY, + cellWidth: layout.cellWidth, + cellHeight: layout.cellHeight, + cellMargin: layout.cellMargin, + cx: cx, + cy: cy + } + } + + /** + * draw the background of chart + * + * @method drawBackground + * @param {Object} layout the layout properties + */ + Gauge.prototype.drawBackground = function(layout) { + + if (!gaugeOptions.frame.show) { + return; + } + context.save(); + context.strokeStyle = options.grid.borderColor; + context.lineWidth = options.grid.borderWidth; + context.strokeRect(0, 0, layout.canvasWidth, layout.canvasHeight); + if (options.grid.backgroundColor) { + context.fillStyle = options.grid.backgroundColor; + context.fillRect(0, 0, layout.canvasWidth, layout.canvasHeight); + } + context.restore(); + } + + /** + * draw the background of cell + * + * @method drawCellBackground + * @param {Object} gaugeOptionsi the options of the gauge + * @param {Object} cellLayout the cell layout properties + */ + Gauge.prototype.drawCellBackground = function(gaugeOptionsi, cellLayout) { + + context.save(); + if (gaugeOptionsi.cell.border && gaugeOptionsi.cell.border.show && gaugeOptionsi.cell.border.color && gaugeOptionsi.cell.border.width) { + context.strokeStyle = gaugeOptionsi.cell.border.color; + context.lineWidth = gaugeOptionsi.cell.border.width; + context.strokeRect(cellLayout.x, cellLayout.y, cellLayout.cellWidth, cellLayout.cellHeight); + } + if (gaugeOptionsi.cell.background && gaugeOptionsi.cell.background.color) { + context.fillStyle = gaugeOptionsi.cell.background.color; + context.fillRect(cellLayout.x, cellLayout.y, cellLayout.cellWidth, cellLayout.cellHeight); + } + context.restore(); + } + + /** + * draw the gauge + * + * @method drawGauge + * @param {Object} gaugeOptionsi the options of the gauge + * @param {Object} layout the layout properties + * @param {Object} cellLayout the cell layout properties + * @param {String} label the label of data + * @param {Number} data the value of the gauge + */ + Gauge.prototype.drawGauge = function(gaugeOptionsi, layout, cellLayout, label, data) { + + + var blur = gaugeOptionsi.gauge.shadow.show ? gaugeOptionsi.gauge.shadow.blur : 0; + + + // draw gauge frame + drawArcWithShadow( + cellLayout.cx, // center x + cellLayout.cy, // center y + layout.radius, + layout.width, + toRad(gaugeOptionsi.gauge.startAngle), + toRad(gaugeOptionsi.gauge.endAngle), + gaugeOptionsi.gauge.border.color, // line color + gaugeOptionsi.gauge.border.width, // line width + gaugeOptionsi.gauge.background.color, // fill color + blur); + + // draw gauge + var c1 = getColor(gaugeOptionsi, data); + var a2 = calculateAngle(gaugeOptionsi, layout, data); + drawArcWithShadow( + cellLayout.cx, // center x + cellLayout.cy, // center y + layout.radius - 1, + layout.width - 2, + toRad(gaugeOptionsi.gauge.startAngle), + toRad(a2), + c1, // line color + 1, // line width + c1, // fill color + blur); + } + + /** + * decide the color of the data from the threshold options + * + * @method getColor + * @private + * @param {Object} gaugeOptionsi the options of the gauge + * @param {Number} data the value of the gauge + */ + function getColor(gaugeOptionsi, data) { + var color; + for (var i = 0; i < gaugeOptionsi.threshold.values.length; i++) { + var threshold = gaugeOptionsi.threshold.values[i]; + color = threshold.color; + if (data < threshold.value) { + break; + } + } + return color; + } + + /** + * calculate the angle of the data + * + * @method calculateAngle + * @private + * @param {Object} gaugeOptionsi the options of the gauge + * @param {Object} layout the layout properties + * @param {Number} data the value of the gauge + */ + function calculateAngle(gaugeOptionsi, layout, data) { + var a = + gaugeOptionsi.gauge.startAngle + + (gaugeOptionsi.gauge.endAngle - gaugeOptionsi.gauge.startAngle) + * ((data - gaugeOptionsi.gauge.min) / (gaugeOptionsi.gauge.max - gaugeOptionsi.gauge.min)); + + if (a < gaugeOptionsi.gauge.startAngle) { + a = gaugeOptionsi.gauge.startAngle; + } else if (a > gaugeOptionsi.gauge.endAngle) { + a = gaugeOptionsi.gauge.endAngle; + } + return a; + } + + /** + * draw the arc of the threshold + * + * @method drawThreshold + * @param {Object} gaugeOptionsi the options of the gauge + * @param {Object} layout the layout properties + * @param {Object} cellLayout the cell layout properties + */ + Gauge.prototype.drawThreshold = function(gaugeOptionsi, layout, cellLayout) { + + var a1 = gaugeOptionsi.gauge.startAngle; + for (var i = 0; i < gaugeOptionsi.threshold.values.length; i++) { + var threshold = gaugeOptionsi.threshold.values[i]; + c1 = threshold.color; + a2 = calculateAngle(gaugeOptionsi, layout, threshold.value); + drawArc( + context, + cellLayout.cx, // center x + cellLayout.cy, // center y + layout.radius + layout.thresholdWidth, + layout.thresholdWidth - 2, + toRad(a1), + toRad(a2), + c1, // line color + 1, // line width + c1); // fill color + a1 = a2; + } + } + + /** + * draw an arc with a shadow + * + * @method drawArcWithShadow + * @private + * @param {Number} cx the x position of the center + * @param {Number} cy the y position of the center + * @param {Number} r the radius of an arc + * @param {Number} w the width of an arc + * @param {Number} rd1 the start angle of an arc in radians + * @param {Number} rd2 the end angle of an arc in radians + * @param {String} lc the color of a line + * @param {Number} lw the widht of a line + * @param {String} fc the fill color of an arc + * @param {Number} blur the shdow blur + */ + function drawArcWithShadow(cx, cy, r, w, rd1, rd2, lc, lw, fc, blur) { + if (rd1 === rd2) { + return; + } + context.save(); + + drawArc(context, cx, cy, r, w, rd1, rd2, lc, lw, fc); + + if (blur) { + drawArc(context, cx, cy, r, w, rd1, rd2); + context.clip(); + context.shadowOffsetX = 0; + context.shadowOffsetY = 0; + context.shadowBlur = 10; + context.shadowColor = "gray"; + drawArc(context, cx, cy, r + 1, w + 2, rd1, rd2, lc, 1); + } + context.restore(); + } + + /** + * draw the label of the gauge + * + * @method drawLable + * @param {Object} gaugeOptionsi the options of the gauge + * @param {Object} layout the layout properties + * @param {Object} cellLayout the cell layout properties + * @param {Number} i the index of the series + * @param {Object} item the item of the series + */ + Gauge.prototype.drawLable = function(gaugeOptionsi, layout, cellLayout, i, item) { + + drawText( + cellLayout.cx, + cellLayout.y + cellLayout.cellMargin + layout.labelMargin + cellLayout.offsetY, + "flotGagueLabel" + i, + gaugeOptionsi.label.formatter ? gaugeOptionsi.label.formatter(item.label, item.data[0][1]) : text, + gaugeOptionsi.label); + } + + /** + * draw the value of the gauge + * + * @method drawValue + * @param {Object} gaugeOptionsi the options of the gauge + * @param {Object} layout the layout properties + * @param {Object} cellLayout the cell layout properties + * @param {Number} i the index of the series + * @param {Object} item the item of the series + */ + Gauge.prototype.drawValue = function(gaugeOptionsi, layout, cellLayout, i, item) { + + drawText( + cellLayout.cx, + cellLayout.cy - (gaugeOptionsi.value.font.size / 2), + "flotGagueValue" + i, + gaugeOptionsi.value.formatter ? gaugeOptionsi.value.formatter(item.label, item.data[0][1]) : text, + gaugeOptionsi.value); + } + + /** + * draw the values of the threshold + * + * @method drawThresholdValues + * @param {Object} gaugeOptionsi the options of the gauge + * @param {Object} layout the layout properties + * @param {Object} cellLayout the cell layout properties + * @param {Number} i the index of the series + */ + Gauge.prototype.drawThresholdValues = function(gaugeOptionsi, layout, cellLayout, i) { + + // min, max + drawThresholdValue(gaugeOptionsi, layout, cellLayout, "Min" + i, gaugeOptionsi.gauge.min, gaugeOptionsi.gauge.startAngle); + drawThresholdValue(gaugeOptionsi, layout, cellLayout, "Max" + i, gaugeOptionsi.gauge.max, gaugeOptionsi.gauge.endAngle); + // threshold values + for (var j = 0; j < gaugeOptionsi.threshold.values.length; j++) { + var threshold = gaugeOptionsi.threshold.values[j]; + if (threshold.value > gaugeOptionsi.gauge.min && threshold.value < gaugeOptionsi.gauge.max) { + var a = calculateAngle(gaugeOptionsi, layout, threshold.value); + drawThresholdValue(gaugeOptionsi, layout, cellLayout, i + "_" + j, threshold.value, a); + } + } + } + + /** + * draw the value of the threshold + * + * @method drawThresholdValue + * @param {Object} gaugeOptionsi the options of the gauge + * @param {Object} layout the layout properties + * @param {Object} cellLayout the cell layout properties + * @param {Number} i the index of the series + * @param {Number} value the value of the threshold + * @param {Number} a the angle of the value drawn + */ + function drawThresholdValue(gaugeOptionsi, layout, cellLayout, i, value, a) { + drawText( + cellLayout.cx + + ((layout.thresholdLabelMargin + (layout.thresholdLabelFontSize / 2) + layout.radius) + * Math.cos(toRad(a))), + cellLayout.cy + + ((layout.thresholdLabelMargin + (layout.thresholdLabelFontSize / 2) + layout.radius) + * Math.sin(toRad(a))), + "flotGagueThresholdValue" + i, + gaugeOptionsi.threshold.label.formatter ? gaugeOptionsi.threshold.label.formatter(value) : value, + gaugeOptionsi.threshold.label, + a); + } + + /** + * draw a text + * + * the textOptions is assumed as follows: + * + * textOptions: { + * background: { + * color: null, + * opacity: 0 + * }, + * font: { + * size: "auto" + * family: "\"ＭＳ ゴシック\",sans-serif" + * }, + * color: null + * } + * + * @method drawText + * @private + * @param {Number} x the x position of the text drawn (left top) + * @param {Number} y the y position of the text drawn (left top) + * @param {String} id the id of the dom element + * @param {String} text the text drawn + * @param {Object} textOptions the option of the text + * @param {Number} [a] the angle of the value drawn + */ + function drawText(x, y, id, text, textOptions, a) { + var span = $("." + id, placeholder); + var exists = span.length; + if (!exists) { + span = $("") + span.attr("id", id); + span.css("position", "absolute"); + span.css("top", y + "px"); + if (textOptions.font.size) { + span.css("font-size", textOptions.font.size + "px"); + } + if (textOptions.font.family) { + span.css("font-family", textOptions.font.family); + } + if (textOptions.color) { + span.css("color", textOptions.color); + } + if (textOptions.background.color) { + span.css("background-color", textOptions.background.color); + } + if (textOptions.background.opacity) { + span.css("opacity", textOptions.background.opacity); + } + placeholder.append(span); + } + span.text(text); + // after append, readjust the left position + span.css("left", x + "px"); // for redraw, resetting the left position is needed here + span.css("left", (parseInt(span.css("left")) - (span.width()/ 2)) + "px"); + + // at last, set angle + if (!exists && a) { + span.css("top", (parseInt(span.css("top")) - (span.height()/ 2)) + "px"); + span.css("transform", "rotate(" + ((180 * a) + 90) + "deg)"); // not supported for ie8 + } + } + + return Gauge; + })(); + /** + * get a instance of Logger + * + * @method getLogger + * @for flot.gauge + * @private + * @param {Object} debugOptions the options of debug + */ + function getLogger(debugOptions) { + return typeof Logger !== "undefined" ? new Logger(debugOptions) : null; + } + + /** + * calculate the index of columns for the specified data + * + * @method col + * @for flot.gauge + * @param {Number} columns the number of columns + * @param {Number} i the index of the series + * @return the index of columns + */ + function col(columns, i) { + return i % columns; + } + + /** + * calculate the index of rows for the specified data + * + * @method row + * @for flot.gauge + * @param {Number} columns the number of rows + * @param {Number} i the index of the series + * @return the index of rows + */ + function row(columns, i) { + return Math.floor(i / columns); + } + + /** + * calculate the angle in radians + * + * internally, use a number without PI (0 - 2). + * so, in this function, multiply PI + * + * @method toRad + * @for flot.gauge + * @param {Number} a the number of angle without PI + * @return the angle in radians + */ + function toRad(a) { + return a * Math.PI; + } + + /** + * draw an arc + * + * @method drawArc + * @for flot.gauge + * @param {Object} context the context of canvas + * @param {Number} cx the x position of the center + * @param {Number} cy the y position of the center + * @param {Number} r the radius of an arc + * @param {Number} w the width of an arc + * @param {Number} rd1 the start angle of an arc in radians + * @param {Number} rd2 the end angle of an arc in radians + * @param {String} lc the color of a line + * @param {Number} lw the widht of a line + * @param {String} fc the fill color of an arc + */ + function drawArc(context, cx, cy, r, w, rd1, rd2, lc, lw, fc) { + if (rd1 === rd2) { + return; + } + var counterClockwise = false; + context.save(); + context.beginPath(); + context.arc(cx, cy, r, rd1, rd2, counterClockwise); + context.lineTo(cx + (r - w) * Math.cos(rd2), + cy + (r - w) * Math.sin(rd2)); + context.arc(cx, cy, r - w, rd2, rd1, !counterClockwise); + context.closePath(); + if (lw) { + context.lineWidth = lw; + } + if (lc) { + context.strokeStyle = lc; + context.stroke(); + } + if (fc) { + context.fillStyle = fc; + context.fill(); + } + context.restore(); + } + + /** + * initialize plugin + * + * @method init + * @for flot.gauge + * @private + * @param {Object} plot a instance of plot + */ + function init (plot) { + // add processOptions hook + plot.hooks.processOptions.push(function(plot, options) { + var logger = getLogger(options.series.gauges.debug); + + + + + // turn 'grid' and 'legend' off + if (options.series.gauges.show) { + options.grid.show = false; + options.legend.show = false; + } + + // sort threshold + var thresholds = options.series.gauges.threshold.values; + + thresholds.sort(function(a, b) { + if (a.value < b.value) { + return -1; + } else if (a.value > b.value) { + return 1; + } else { + return 0; + } + }); + + + + }); + + // add draw hook + plot.hooks.draw.push(function(plot, context) { + var options = plot.getOptions(); + var gaugeOptions = options.series.gauges; + + var logger = getLogger(gaugeOptions.debug); + + + if (!gaugeOptions.show) { + return; + } + + var series = plot.getData(); + + if (!series || !series.length) { + return; // if no series were passed + } + + var gauge = new Gauge(plot, context); + + // calculate layout + var layout = gauge.calculateLayout(); + + // debug layout + if (gaugeOptions.debug.layout) { + + } + + // draw background + gauge.drawBackground(layout) + + // draw cells (label, gauge, value, threshold) + for (var i = 0; i < series.length; i++) { + var item = series[i]; + + var gaugeOptionsi = $.extend({}, gaugeOptions, item.gauges); + if (item.gauges) { + // re-calculate 'auto' values + gauge.calculateAutoValues(gaugeOptionsi, layout.cellWidth); + } + + // calculate cell layout + var cellLayout = gauge.calculateCellLayout(gaugeOptionsi, layout, i); + + // draw cell background + gauge.drawCellBackground(gaugeOptionsi, cellLayout) + // debug layout + if (gaugeOptionsi.debug.layout) { + + } + // draw label + if (gaugeOptionsi.label.show) { + gauge.drawLable(gaugeOptionsi, layout, cellLayout, i, item); + } + // draw gauge + gauge.drawGauge(gaugeOptionsi, layout, cellLayout, item.label, item.data[0][1]); + // draw threshold + if (gaugeOptionsi.threshold.show) { + gauge.drawThreshold(gaugeOptionsi, layout, cellLayout); + } + if (gaugeOptionsi.threshold.label.show) { + gauge.drawThresholdValues(gaugeOptionsi, layout, cellLayout, i) + } + // draw value + if (gaugeOptionsi.value.show) { + gauge.drawValue(gaugeOptionsi, layout, cellLayout, i, item); + } + } + }); + } + + /** + * [defaults description] + * + * @property defaults + * @type {Object} + */ + var defaults = { + series: { + gauges: { + debug: { + log: false, + layout: false, + alert: false + }, + show: false, + layout: { + margin: 5, + columns: 3, + hMargin: 5, + vMargin: 5, + square: false + }, + frame: { + show: true + }, + cell: { + background: { + color: null + }, + border: { + show: true, + color: "black", + width: 1 + }, + margin: 5, + vAlign: "middle" // 'top' or 'middle' or 'bottom' + }, + gauge: { + width: "auto", // a specified number, or 'auto' + startAngle: 0.9, // 0 - 2 factor of the radians + endAngle: 2.1, // 0 - 2 factor of the radians + min: 0, + max: 100, + background: { + color: "white" + }, + border: { + color: "lightgray", + width: 2 + }, + shadow: { + show: true, + blur: 5 + } + }, + label: { + show: true, + margin: "auto", // a specified number, or 'auto' + background: { + color: null, + opacity: 0 + }, + font: { + size: "auto", // a specified number, or 'auto' + family: "sans-serif" + }, + color: null, + formatter: function(label, value) { + return label; + } + }, + value: { + show: true, + margin: "auto", // a specified number, or 'auto' + background: { + color: null, + opacity: 0 + }, + font: { + size: "auto", // a specified number, or 'auto' + family: "sans-serif" + }, + color: null, + formatter: function(label, value) { + return parseInt(value); + } + }, + threshold: { + show: true, + width: "auto", // a specified number, or 'auto' + label: { + show: true, + margin: "auto", // a specified number, or 'auto' + background: { + color: null, + opacity: 0 + }, + font: { + size: "auto", // a specified number, or 'auto' + family: ",sans-serif" + }, + color: null, + formatter: function(value) { + return value; + } + }, + values: [ + { + value: 50, + color: "lightgreen" + }, { + value: 80, + color: "yellow" + }, { + value: 100, + color: "red" + } + ] + } + } + } + }; + + // register the gauge plugin + $.plot.plugins.push({ + init: init, + options: defaults, + name: "gauge", + version: "1.1.0" + }); + +})(jQuery); diff --git a/src/vendor/flot/jquery.flot.js b/src/vendor/flot/jquery.flot.js new file mode 100644 index 0000000..ec35fb8 --- /dev/null +++ b/src/vendor/flot/jquery.flot.js @@ -0,0 +1,3198 @@ +/* Javascript plotting library for jQuery, version 0.8.3. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +*/ + +// first an inline dependency, jquery.colorhelpers.js, we inline it here +// for convenience + +/* Plugin for jQuery for working with colors. + * + * Version 1.1. + * + * Inspiration from jQuery color animation plugin by John Resig. + * + * Released under the MIT license by Ole Laursen, October 2009. + * + * Examples: + * + * $.color.parse("#fff").scale('rgb', 0.25).add('a', -0.5).toString() + * var c = $.color.extract($("#mydiv"), 'background-color'); + * console.log(c.r, c.g, c.b, c.a); + * $.color.make(100, 50, 25, 0.4).toString() // returns "rgba(100,50,25,0.4)" + * + * Note that .scale() and .add() return the same modified object + * instead of making a new one. + * + * V. 1.1: Fix error handling so e.g. parsing an empty string does + * produce a color rather than just crashing. + */ +(function($){$.color={};$.color.make=function(r,g,b,a){var o={};o.r=r||0;o.g=g||0;o.b=b||0;o.a=a!=null?a:1;o.add=function(c,d){for(var i=0;i=1){return"rgb("+[o.r,o.g,o.b].join(",")+")"}else{return"rgba("+[o.r,o.g,o.b,o.a].join(",")+")"}};o.normalize=function(){function clamp(min,value,max){return valuemax?max:value}o.r=clamp(0,parseInt(o.r),255);o.g=clamp(0,parseInt(o.g),255);o.b=clamp(0,parseInt(o.b),255);o.a=clamp(0,o.a,1);return o};o.clone=function(){return $.color.make(o.r,o.b,o.g,o.a)};return o.normalize()};$.color.extract=function(elem,css){var c;do{c=elem.css(css).toLowerCase();if(c!=""&&c!="transparent")break;elem=elem.parent()}while(elem.length&&!$.nodeName(elem.get(0),"body"));if(c=="rgba(0, 0, 0, 0)")c="transparent";return $.color.parse(c)};$.color.parse=function(str){var res,m=$.color.make;if(res=/rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10));if(res=/rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10),parseFloat(res[4]));if(res=/rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55);if(res=/rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55,parseFloat(res[4]));if(res=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str))return m(parseInt(res[1],16),parseInt(res[2],16),parseInt(res[3],16));if(res=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str))return m(parseInt(res[1]+res[1],16),parseInt(res[2]+res[2],16),parseInt(res[3]+res[3],16));var name=$.trim(str).toLowerCase();if(name=="transparent")return m(255,255,255,0);else{res=lookupColors[name]||[0,0,0];return m(res[0],res[1],res[2])}};var lookupColors={aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]}})(jQuery); + +// the actual Flot code +(function($) { + + // Cache the prototype hasOwnProperty for faster access + + var hasOwnProperty = Object.prototype.hasOwnProperty; + + // A shim to provide 'detach' to jQuery versions prior to 1.4. Using a DOM + // operation produces the same effect as detach, i.e. removing the element + // without touching its jQuery data. + + // Do not merge this into Flot 0.9, since it requires jQuery 1.4.4+. + + if (!$.fn.detach) { + $.fn.detach = function() { + return this.each(function() { + if (this.parentNode) { + this.parentNode.removeChild( this ); + } + }); + }; + } + + /////////////////////////////////////////////////////////////////////////// + // The Canvas object is a wrapper around an HTML5 tag. + // + // @constructor + // @param {string} cls List of classes to apply to the canvas. + // @param {element} container Element onto which to append the canvas. + // + // Requiring a container is a little iffy, but unfortunately canvas + // operations don't work unless the canvas is attached to the DOM. + + function Canvas(cls, container) { + + var element = container.children("." + cls)[0]; + + if (element == null) { + + element = document.createElement("canvas"); + element.className = cls; + + $(element).css({ direction: "ltr", position: "absolute", left: 0, top: 0 }) + .appendTo(container); + + // If HTML5 Canvas isn't available, fall back to [Ex|Flash]canvas + + if (!element.getContext) { + if (window.G_vmlCanvasManager) { + element = window.G_vmlCanvasManager.initElement(element); + } else { + throw new Error("Canvas is not available. If you're using IE with a fall-back such as Excanvas, then there's either a mistake in your conditional include, or the page has no DOCTYPE and is rendering in Quirks Mode."); + } + } + } + + this.element = element; + + var context = this.context = element.getContext("2d"); + + // Determine the screen's ratio of physical to device-independent + // pixels. This is the ratio between the canvas width that the browser + // advertises and the number of pixels actually present in that space. + + // The iPhone 4, for example, has a device-independent width of 320px, + // but its screen is actually 640px wide. It therefore has a pixel + // ratio of 2, while most normal devices have a ratio of 1. + + var devicePixelRatio = window.devicePixelRatio || 1, + backingStoreRatio = + context.webkitBackingStorePixelRatio || + context.mozBackingStorePixelRatio || + context.msBackingStorePixelRatio || + context.oBackingStorePixelRatio || + context.backingStorePixelRatio || 1; + + this.pixelRatio = devicePixelRatio / backingStoreRatio; + + // Size the canvas to match the internal dimensions of its container + + this.resize(container.width(), container.height()); + + // Collection of HTML div layers for text overlaid onto the canvas + + this.textContainer = null; + this.text = {}; + + // Cache of text fragments and metrics, so we can avoid expensively + // re-calculating them when the plot is re-rendered in a loop. + + this._textCache = {}; + this._textSizeCache = window.flotTextSizeCache = window.flotTextSizeCache || {}; + } + + // Resizes the canvas to the given dimensions. + // + // @param {number} width New width of the canvas, in pixels. + // @param {number} width New height of the canvas, in pixels. + + Canvas.prototype.resize = function(width, height) { + + if (width <= 0 || height <= 0) { + throw new Error("Invalid dimensions for plot, width = " + width + ", height = " + height); + } + + var element = this.element, + context = this.context, + pixelRatio = this.pixelRatio; + + // Resize the canvas, increasing its density based on the display's + // pixel ratio; basically giving it more pixels without increasing the + // size of its element, to take advantage of the fact that retina + // displays have that many more pixels in the same advertised space. + + // Resizing should reset the state (excanvas seems to be buggy though) + + if (this.width != width) { + element.width = width * pixelRatio; + element.style.width = width + "px"; + this.width = width; + } + + if (this.height != height) { + element.height = height * pixelRatio; + element.style.height = height + "px"; + this.height = height; + } + + // Save the context, so we can reset in case we get replotted. The + // restore ensure that we're really back at the initial state, and + // should be safe even if we haven't saved the initial state yet. + + context.restore(); + context.save(); + + // Scale the coordinate space to match the display density; so even though we + // may have twice as many pixels, we still want lines and other drawing to + // appear at the same size; the extra pixels will just make them crisper. + + context.scale(pixelRatio, pixelRatio); + }; + + // Clears the entire canvas area, not including any overlaid HTML text + + Canvas.prototype.clear = function() { + this.context.clearRect(0, 0, this.width, this.height); + }; + + // Finishes rendering the canvas, including managing the text overlay. + + Canvas.prototype.render = function() { + + var cache = this._textCache; + + // For each text layer, add elements marked as active that haven't + // already been rendered, and remove those that are no longer active. + + for (var layerKey in cache) { + if (hasOwnProperty.call(cache, layerKey)) { + + var layer = this.getTextLayer(layerKey), + layerCache = cache[layerKey]; + + layer.hide(); + + for (var styleKey in layerCache) { + if (hasOwnProperty.call(layerCache, styleKey)) { + var styleCache = layerCache[styleKey]; + for (var key in styleCache) { + if (hasOwnProperty.call(styleCache, key)) { + + var positions = styleCache[key].positions; + + for (var i = 0, position; position = positions[i]; i++) { + if (position.active) { + if (!position.rendered) { + layer.append(position.element); + position.rendered = true; + } + } else { + positions.splice(i--, 1); + if (position.rendered) { + position.element.detach(); + } + } + } + + if (positions.length == 0) { + delete styleCache[key]; + } + } + } + } + } + + layer.show(); + } + } + }; + + // Creates (if necessary) and returns the text overlay container. + // + // @param {string} classes String of space-separated CSS classes used to + // uniquely identify the text layer. + // @return {object} The jQuery-wrapped text-layer div. + + Canvas.prototype.getTextLayer = function(classes) { + + var layer = this.text[classes]; + + // Create the text layer if it doesn't exist + + if (layer == null) { + + // Create the text layer container, if it doesn't exist + + if (this.textContainer == null) { + this.textContainer = $("
") + .css({ + position: "absolute", + top: 0, + left: 0, + bottom: 0, + right: 0, + 'font-size': "smaller", + color: "#545454" + }) + .insertAfter(this.element); + } + + layer = this.text[classes] = $("
") + .addClass(classes) + .css({ + position: "absolute", + top: 0, + left: 0, + bottom: 0, + right: 0 + }) + .appendTo(this.textContainer); + } + + return layer; + }; + + // Creates (if necessary) and returns a text info object. + // + // The object looks like this: + // + // { + // width: Width of the text's wrapper div. + // height: Height of the text's wrapper div. + // element: The jQuery-wrapped HTML div containing the text. + // positions: Array of positions at which this text is drawn. + // } + // + // The positions array contains objects that look like this: + // + // { + // active: Flag indicating whether the text should be visible. + // rendered: Flag indicating whether the text is currently visible. + // element: The jQuery-wrapped HTML div containing the text. + // x: X coordinate at which to draw the text. + // y: Y coordinate at which to draw the text. + // } + // + // Each position after the first receives a clone of the original element. + // + // The idea is that that the width, height, and general 'identity' of the + // text is constant no matter where it is placed; the placements are a + // secondary property. + // + // Canvas maintains a cache of recently-used text info objects; getTextInfo + // either returns the cached element or creates a new entry. + // + // @param {string} layer A string of space-separated CSS classes uniquely + // identifying the layer containing this text. + // @param {string} text Text string to retrieve info for. + // @param {(string|object)=} font Either a string of space-separated CSS + // classes or a font-spec object, defining the text's font and style. + // @param {number=} angle Angle at which to rotate the text, in degrees. + // Angle is currently unused, it will be implemented in the future. + // @param {number=} width Maximum width of the text before it wraps. + // @return {object} a text info object. + + Canvas.prototype.getTextInfo = function(layer, text, font, angle, width) { + + var textStyle, layerCache, styleCache, info; + + // Cast the value to a string, in case we were given a number or such + + text = "" + text; + + // If the font is a font-spec object, generate a CSS font definition + + if (typeof font === "object") { + textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px/" + font.lineHeight + "px " + font.family; + } else { + textStyle = font; + } + + // Retrieve (or create) the cache for the text's layer and styles + + layerCache = this._textCache[layer]; + + if (layerCache == null) { + layerCache = this._textCache[layer] = {}; + } + + styleCache = layerCache[textStyle]; + + if (styleCache == null) { + styleCache = layerCache[textStyle] = {}; + } + + info = styleCache[text]; + + // If we can't find a matching element in our cache, create a new one + + if (info == null) { + + var element = $("
").html(text) + .css({ + position: "absolute", + 'max-width': width, + top: -9999 + }) + .appendTo(this.getTextLayer(layer)); + + if (typeof font === "object") { + element.css({ + font: textStyle, + color: font.color + }); + } else if (typeof font === "string") { + element.addClass(font); + } + + info = styleCache[text] = { element: element, positions: [] }; + + var size = this._textSizeCache[text]; + if (size) { + info.width = size.width; + info.height = size.height; + } else { + info.width = element.outerWidth(true); + info.height = element.outerHeight(true); + this._textSizeCache[text] = { width: info.width, height: info.height }; + } + element.detach(); + } + + return info; + }; + + // Adds a text string to the canvas text overlay. + // + // The text isn't drawn immediately; it is marked as rendering, which will + // result in its addition to the canvas on the next render pass. + // + // @param {string} layer A string of space-separated CSS classes uniquely + // identifying the layer containing this text. + // @param {number} x X coordinate at which to draw the text. + // @param {number} y Y coordinate at which to draw the text. + // @param {string} text Text string to draw. + // @param {(string|object)=} font Either a string of space-separated CSS + // classes or a font-spec object, defining the text's font and style. + // @param {number=} angle Angle at which to rotate the text, in degrees. + // Angle is currently unused, it will be implemented in the future. + // @param {number=} width Maximum width of the text before it wraps. + // @param {string=} halign Horizontal alignment of the text; either "left", + // "center" or "right". + // @param {string=} valign Vertical alignment of the text; either "top", + // "middle" or "bottom". + + Canvas.prototype.addText = function(layer, x, y, text, font, angle, width, halign, valign) { + + var info = this.getTextInfo(layer, text, font, angle, width), + positions = info.positions; + + // Tweak the div's position to match the text's alignment + + if (halign == "center") { + x -= info.width / 2; + } else if (halign == "right") { + x -= info.width; + } + + if (valign == "middle") { + y -= info.height / 2; + } else if (valign == "bottom") { + y -= info.height; + } + + // Determine whether this text already exists at this position. + // If so, mark it for inclusion in the next render pass. + + for (var i = 0, position; position = positions[i]; i++) { + if (position.x == x && position.y == y) { + position.active = true; + return; + } + } + + // If the text doesn't exist at this position, create a new entry + + // For the very first position we'll re-use the original element, + // while for subsequent ones we'll clone it. + + position = { + active: true, + rendered: false, + element: positions.length ? info.element.clone() : info.element, + x: x, + y: y + }; + + positions.push(position); + + // Move the element to its final position within the container + + position.element.css({ + top: Math.round(y), + left: Math.round(x), + 'text-align': halign // In case the text wraps + }); + }; + + // Removes one or more text strings from the canvas text overlay. + // + // If no parameters are given, all text within the layer is removed. + // + // Note that the text is not immediately removed; it is simply marked as + // inactive, which will result in its removal on the next render pass. + // This avoids the performance penalty for 'clear and redraw' behavior, + // where we potentially get rid of all text on a layer, but will likely + // add back most or all of it later, as when redrawing axes, for example. + // + // @param {string} layer A string of space-separated CSS classes uniquely + // identifying the layer containing this text. + // @param {number=} x X coordinate of the text. + // @param {number=} y Y coordinate of the text. + // @param {string=} text Text string to remove. + // @param {(string|object)=} font Either a string of space-separated CSS + // classes or a font-spec object, defining the text's font and style. + // @param {number=} angle Angle at which the text is rotated, in degrees. + // Angle is currently unused, it will be implemented in the future. + + Canvas.prototype.removeText = function(layer, x, y, text, font, angle) { + if (text == null) { + var layerCache = this._textCache[layer]; + if (layerCache != null) { + for (var styleKey in layerCache) { + if (hasOwnProperty.call(layerCache, styleKey)) { + var styleCache = layerCache[styleKey]; + for (var key in styleCache) { + if (hasOwnProperty.call(styleCache, key)) { + var positions = styleCache[key].positions; + for (var i = 0, position; position = positions[i]; i++) { + position.active = false; + } + } + } + } + } + } + } else { + var positions = this.getTextInfo(layer, text, font, angle).positions; + for (var i = 0, position; position = positions[i]; i++) { + if (position.x == x && position.y == y) { + position.active = false; + } + } + } + }; + + /////////////////////////////////////////////////////////////////////////// + // The top-level container for the entire plot. + + function Plot(placeholder, data_, options_, plugins) { + // data is on the form: + // [ series1, series2 ... ] + // where series is either just the data as [ [x1, y1], [x2, y2], ... ] + // or { data: [ [x1, y1], [x2, y2], ... ], label: "some label", ... } + + var series = [], + options = { + // the color theme used for graphs + colors: ["#edc240", "#afd8f8", "#cb4b4b", "#4da74d", "#9440ed"], + legend: { + show: true, + noColumns: 1, // number of colums in legend table + labelFormatter: null, // fn: string -> string + labelBoxBorderColor: "#ccc", // border color for the little label boxes + container: null, // container (as jQuery object) to put legend in, null means default on top of graph + position: "ne", // position of default legend container within plot + margin: 5, // distance from grid edge to default legend container within plot + backgroundColor: null, // null means auto-detect + backgroundOpacity: 0.85, // set to 0 to avoid background + sorted: null // default to no legend sorting + }, + xaxis: { + show: null, // null = auto-detect, true = always, false = never + position: "bottom", // or "top" + mode: null, // null or "time" + font: null, // null (derived from CSS in placeholder) or object like { size: 11, lineHeight: 13, style: "italic", weight: "bold", family: "sans-serif", variant: "small-caps" } + color: null, // base color, labels, ticks + tickColor: null, // possibly different color of ticks, e.g. "rgba(0,0,0,0.15)" + transform: null, // null or f: number -> number to transform axis + inverseTransform: null, // if transform is set, this should be the inverse function + min: null, // min. value to show, null means set automatically + max: null, // max. value to show, null means set automatically + autoscaleMargin: null, // margin in % to add if auto-setting min/max + ticks: null, // either [1, 3] or [[1, "a"], 3] or (fn: axis info -> ticks) or app. number of ticks for auto-ticks + tickFormatter: null, // fn: number -> string + labelWidth: null, // size of tick labels in pixels + labelHeight: null, + reserveSpace: null, // whether to reserve space even if axis isn't shown + tickLength: null, // size in pixels of ticks, or "full" for whole line + alignTicksWithAxis: null, // axis number or null for no sync + tickDecimals: null, // no. of decimals, null means auto + tickSize: null, // number or [number, "unit"] + minTickSize: null // number or [number, "unit"] + }, + yaxis: { + autoscaleMargin: 0.02, + position: "left" // or "right" + }, + xaxes: [], + yaxes: [], + series: { + points: { + show: false, + radius: 3, + lineWidth: 2, // in pixels + fill: true, + fillColor: "#ffffff", + symbol: "circle" // or callback + }, + lines: { + // we don't put in show: false so we can see + // whether lines were actively disabled + lineWidth: 2, // in pixels + fill: false, + fillColor: null, + steps: false + // Omit 'zero', so we can later default its value to + // match that of the 'fill' option. + }, + bars: { + show: false, + lineWidth: 2, // in pixels + barWidth: 1, // in units of the x axis + fill: true, + fillColor: null, + align: "left", // "left", "right", or "center" + horizontal: false, + zero: true + }, + shadowSize: 3, + highlightColor: null + }, + grid: { + show: true, + aboveData: false, + color: "#545454", // primary color used for outline and labels + backgroundColor: null, // null for transparent, else color + borderColor: null, // set if different from the grid color + tickColor: null, // color for the ticks, e.g. "rgba(0,0,0,0.15)" + margin: 0, // distance from the canvas edge to the grid + labelMargin: 5, // in pixels + eventSectionHeight: 0, // space for event section + axisMargin: 8, // in pixels + borderWidth: 2, // in pixels + minBorderMargin: null, // in pixels, null means taken from points radius + markings: null, // array of ranges or fn: axes -> array of ranges + markingsColor: "#f4f4f4", + markingsLineWidth: 2, + // interactive stuff + clickable: false, + hoverable: false, + autoHighlight: true, // highlight in case mouse is near + mouseActiveRadius: 10 // how far the mouse can be away to activate an item + }, + interaction: { + redrawOverlayInterval: 1000/60 // time between updates, -1 means in same flow + }, + hooks: {} + }, + surface = null, // the canvas for the plot itself + overlay = null, // canvas for interactive stuff on top of plot + eventHolder = null, // jQuery object that events should be bound to + ctx = null, octx = null, + xaxes = [], yaxes = [], + plotOffset = { left: 0, right: 0, top: 0, bottom: 0}, + plotWidth = 0, plotHeight = 0, + hooks = { + processOptions: [], + processRawData: [], + processDatapoints: [], + processOffset: [], + drawBackground: [], + drawSeries: [], + draw: [], + bindEvents: [], + drawOverlay: [], + shutdown: [] + }, + plot = this; + + // public functions + plot.setData = setData; + plot.setupGrid = setupGrid; + plot.draw = draw; + plot.getPlaceholder = function() { return placeholder; }; + plot.getCanvas = function() { return surface.element; }; + plot.getPlotOffset = function() { return plotOffset; }; + plot.width = function () { return plotWidth; }; + plot.height = function () { return plotHeight; }; + plot.offset = function () { + var o = eventHolder.offset(); + o.left += plotOffset.left; + o.top += plotOffset.top; + return o; + }; + plot.getData = function () { return series; }; + plot.getAxes = function () { + var res = {}, i; + $.each(xaxes.concat(yaxes), function (_, axis) { + if (axis) + res[axis.direction + (axis.n != 1 ? axis.n : "") + "axis"] = axis; + }); + return res; + }; + plot.getXAxes = function () { return xaxes; }; + plot.getYAxes = function () { return yaxes; }; + plot.c2p = canvasToAxisCoords; + plot.p2c = axisToCanvasCoords; + plot.getOptions = function () { return options; }; + plot.highlight = highlight; + plot.unhighlight = unhighlight; + plot.triggerRedrawOverlay = triggerRedrawOverlay; + plot.pointOffset = function(point) { + return { + left: parseInt(xaxes[axisNumber(point, "x") - 1].p2c(+point.x) + plotOffset.left, 10), + top: parseInt(yaxes[axisNumber(point, "y") - 1].p2c(+point.y) + plotOffset.top, 10) + }; + }; + plot.shutdown = shutdown; + plot.destroy = function () { + shutdown(); + placeholder.removeData("plot").empty(); + + series = []; + options = null; + surface = null; + overlay = null; + eventHolder = null; + ctx = null; + octx = null; + xaxes = []; + yaxes = []; + hooks = null; + highlights = []; + plot = null; + }; + plot.resize = function () { + var width = placeholder.width(), + height = placeholder.height(); + surface.resize(width, height); + overlay.resize(width, height); + }; + + // public attributes + plot.hooks = hooks; + + // initialize + initPlugins(plot); + parseOptions(options_); + setupCanvases(); + setData(data_); + setupGrid(); + draw(); + bindEvents(); + + + function executeHooks(hook, args) { + args = [plot].concat(args); + for (var i = 0; i < hook.length; ++i) + hook[i].apply(this, args); + } + + function initPlugins() { + + // References to key classes, allowing plugins to modify them + + var classes = { + Canvas: Canvas + }; + + for (var i = 0; i < plugins.length; ++i) { + var p = plugins[i]; + p.init(plot, classes); + if (p.options) + $.extend(true, options, p.options); + } + } + + function parseOptions(opts) { + + $.extend(true, options, opts); + + // $.extend merges arrays, rather than replacing them. When less + // colors are provided than the size of the default palette, we + // end up with those colors plus the remaining defaults, which is + // not expected behavior; avoid it by replacing them here. + + if (opts && opts.colors) { + options.colors = opts.colors; + } + + if (options.xaxis.color == null) + options.xaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString(); + if (options.yaxis.color == null) + options.yaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString(); + + if (options.xaxis.tickColor == null) // grid.tickColor for back-compatibility + options.xaxis.tickColor = options.grid.tickColor || options.xaxis.color; + if (options.yaxis.tickColor == null) // grid.tickColor for back-compatibility + options.yaxis.tickColor = options.grid.tickColor || options.yaxis.color; + + if (options.grid.borderColor == null) + options.grid.borderColor = options.grid.color; + if (options.grid.tickColor == null) + options.grid.tickColor = $.color.parse(options.grid.color).scale('a', 0.22).toString(); + + // Fill in defaults for axis options, including any unspecified + // font-spec fields, if a font-spec was provided. + + // If no x/y axis options were provided, create one of each anyway, + // since the rest of the code assumes that they exist. + + var i, axisOptions, axisCount, + fontSize = placeholder.css("font-size"), + fontSizeDefault = fontSize ? +fontSize.replace("px", "") : 13, + fontDefaults = { + style: placeholder.css("font-style"), + size: Math.round(0.8 * fontSizeDefault), + variant: placeholder.css("font-variant"), + weight: placeholder.css("font-weight"), + family: placeholder.css("font-family") + }; + + axisCount = options.xaxes.length || 1; + for (i = 0; i < axisCount; ++i) { + + axisOptions = options.xaxes[i]; + if (axisOptions && !axisOptions.tickColor) { + axisOptions.tickColor = axisOptions.color; + } + + axisOptions = $.extend(true, {}, options.xaxis, axisOptions); + options.xaxes[i] = axisOptions; + + if (axisOptions.font) { + axisOptions.font = $.extend({}, fontDefaults, axisOptions.font); + if (!axisOptions.font.color) { + axisOptions.font.color = axisOptions.color; + } + if (!axisOptions.font.lineHeight) { + axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15); + } + } + } + + axisCount = options.yaxes.length || 1; + for (i = 0; i < axisCount; ++i) { + + axisOptions = options.yaxes[i]; + if (axisOptions && !axisOptions.tickColor) { + axisOptions.tickColor = axisOptions.color; + } + + axisOptions = $.extend(true, {}, options.yaxis, axisOptions); + options.yaxes[i] = axisOptions; + + if (axisOptions.font) { + axisOptions.font = $.extend({}, fontDefaults, axisOptions.font); + if (!axisOptions.font.color) { + axisOptions.font.color = axisOptions.color; + } + if (!axisOptions.font.lineHeight) { + axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15); + } + } + } + + // backwards compatibility, to be removed in future + if (options.xaxis.noTicks && options.xaxis.ticks == null) + options.xaxis.ticks = options.xaxis.noTicks; + if (options.yaxis.noTicks && options.yaxis.ticks == null) + options.yaxis.ticks = options.yaxis.noTicks; + if (options.x2axis) { + options.xaxes[1] = $.extend(true, {}, options.xaxis, options.x2axis); + options.xaxes[1].position = "top"; + // Override the inherit to allow the axis to auto-scale + if (options.x2axis.min == null) { + options.xaxes[1].min = null; + } + if (options.x2axis.max == null) { + options.xaxes[1].max = null; + } + } + if (options.y2axis) { + options.yaxes[1] = $.extend(true, {}, options.yaxis, options.y2axis); + options.yaxes[1].position = "right"; + // Override the inherit to allow the axis to auto-scale + if (options.y2axis.min == null) { + options.yaxes[1].min = null; + } + if (options.y2axis.max == null) { + options.yaxes[1].max = null; + } + } + if (options.grid.coloredAreas) + options.grid.markings = options.grid.coloredAreas; + if (options.grid.coloredAreasColor) + options.grid.markingsColor = options.grid.coloredAreasColor; + if (options.lines) + $.extend(true, options.series.lines, options.lines); + if (options.points) + $.extend(true, options.series.points, options.points); + if (options.bars) + $.extend(true, options.series.bars, options.bars); + if (options.shadowSize != null) + options.series.shadowSize = options.shadowSize; + if (options.highlightColor != null) + options.series.highlightColor = options.highlightColor; + + // save options on axes for future reference + for (i = 0; i < options.xaxes.length; ++i) + getOrCreateAxis(xaxes, i + 1).options = options.xaxes[i]; + for (i = 0; i < options.yaxes.length; ++i) + getOrCreateAxis(yaxes, i + 1).options = options.yaxes[i]; + + // add hooks from options + for (var n in hooks) + if (options.hooks[n] && options.hooks[n].length) + hooks[n] = hooks[n].concat(options.hooks[n]); + + executeHooks(hooks.processOptions, [options]); + } + + function setData(d) { + series = parseData(d); + fillInSeriesOptions(); + processData(); + } + + function parseData(d) { + var res = []; + for (var i = 0; i < d.length; ++i) { + var s = $.extend(true, {}, options.series); + + if (d[i].data != null) { + s.data = d[i].data; // move the data instead of deep-copy + delete d[i].data; + + $.extend(true, s, d[i]); + + d[i].data = s.data; + } + else + s.data = d[i]; + res.push(s); + } + + return res; + } + + function axisNumber(obj, coord) { + var a = obj[coord + "axis"]; + if (typeof a == "object") // if we got a real axis, extract number + a = a.n; + if (typeof a != "number") + a = 1; // default to first axis + return a; + } + + function allAxes() { + // return flat array without annoying null entries + return $.grep(xaxes.concat(yaxes), function (a) { return a; }); + } + + function canvasToAxisCoords(pos) { + // return an object with x/y corresponding to all used axes + var res = {}, i, axis; + for (i = 0; i < xaxes.length; ++i) { + axis = xaxes[i]; + if (axis && axis.used) + res["x" + axis.n] = axis.c2p(pos.left); + } + + for (i = 0; i < yaxes.length; ++i) { + axis = yaxes[i]; + if (axis && axis.used) + res["y" + axis.n] = axis.c2p(pos.top); + } + + if (res.x1 !== undefined) + res.x = res.x1; + if (res.y1 !== undefined) + res.y = res.y1; + + return res; + } + + function axisToCanvasCoords(pos) { + // get canvas coords from the first pair of x/y found in pos + var res = {}, i, axis, key; + + for (i = 0; i < xaxes.length; ++i) { + axis = xaxes[i]; + if (axis && axis.used) { + key = "x" + axis.n; + if (pos[key] == null && axis.n == 1) + key = "x"; + + if (pos[key] != null) { + res.left = axis.p2c(pos[key]); + break; + } + } + } + + for (i = 0; i < yaxes.length; ++i) { + axis = yaxes[i]; + if (axis && axis.used) { + key = "y" + axis.n; + if (pos[key] == null && axis.n == 1) + key = "y"; + + if (pos[key] != null) { + res.top = axis.p2c(pos[key]); + break; + } + } + } + + return res; + } + + function getOrCreateAxis(axes, number) { + if (!axes[number - 1]) + axes[number - 1] = { + n: number, // save the number for future reference + direction: axes == xaxes ? "x" : "y", + options: $.extend(true, {}, axes == xaxes ? options.xaxis : options.yaxis) + }; + + return axes[number - 1]; + } + + function fillInSeriesOptions() { + + var neededColors = series.length, maxIndex = -1, i; + + // Subtract the number of series that already have fixed colors or + // color indexes from the number that we still need to generate. + + for (i = 0; i < series.length; ++i) { + var sc = series[i].color; + if (sc != null) { + neededColors--; + if (typeof sc == "number" && sc > maxIndex) { + maxIndex = sc; + } + } + } + + // If any of the series have fixed color indexes, then we need to + // generate at least as many colors as the highest index. + + if (neededColors <= maxIndex) { + neededColors = maxIndex + 1; + } + + // Generate all the colors, using first the option colors and then + // variations on those colors once they're exhausted. + + var c, colors = [], colorPool = options.colors, + colorPoolSize = colorPool.length, variation = 0; + + for (i = 0; i < neededColors; i++) { + + c = $.color.parse(colorPool[i % colorPoolSize] || "#666"); + + // Each time we exhaust the colors in the pool we adjust + // a scaling factor used to produce more variations on + // those colors. The factor alternates negative/positive + // to produce lighter/darker colors. + + // Reset the variation after every few cycles, or else + // it will end up producing only white or black colors. + + if (i % colorPoolSize == 0 && i) { + if (variation >= 0) { + if (variation < 0.5) { + variation = -variation - 0.2; + } else variation = 0; + } else variation = -variation; + } + + colors[i] = c.scale('rgb', 1 + variation); + } + + // Finalize the series options, filling in their colors + + var colori = 0, s; + for (i = 0; i < series.length; ++i) { + s = series[i]; + + // assign colors + if (s.color == null) { + s.color = colors[colori].toString(); + ++colori; + } + else if (typeof s.color == "number") + s.color = colors[s.color].toString(); + + // turn on lines automatically in case nothing is set + if (s.lines.show == null) { + var v, show = true; + for (v in s) + if (s[v] && s[v].show) { + show = false; + break; + } + if (show) + s.lines.show = true; + } + + // If nothing was provided for lines.zero, default it to match + // lines.fill, since areas by default should extend to zero. + + if (s.lines.zero == null) { + s.lines.zero = !!s.lines.fill; + } + + // setup axes + s.xaxis = getOrCreateAxis(xaxes, axisNumber(s, "x")); + s.yaxis = getOrCreateAxis(yaxes, axisNumber(s, "y")); + } + } + + function processData() { + var topSentry = Number.POSITIVE_INFINITY, + bottomSentry = Number.NEGATIVE_INFINITY, + fakeInfinity = Number.MAX_VALUE, + i, j, k, m, length, + s, points, ps, x, y, axis, val, f, p, + data, format; + + function updateAxis(axis, min, max) { + if (min < axis.datamin && min != -fakeInfinity) + axis.datamin = min; + if (max > axis.datamax && max != fakeInfinity) + axis.datamax = max; + } + + $.each(allAxes(), function (_, axis) { + // init axis + axis.datamin = topSentry; + axis.datamax = bottomSentry; + axis.used = false; + }); + + for (i = 0; i < series.length; ++i) { + s = series[i]; + s.datapoints = { points: [] }; + + executeHooks(hooks.processRawData, [ s, s.data, s.datapoints ]); + } + + // first pass: clean and copy data + for (i = 0; i < series.length; ++i) { + s = series[i]; + + data = s.data; + format = s.datapoints.format; + + if (!format) { + format = []; + // find out how to copy + format.push({ x: true, number: true, required: true }); + format.push({ y: true, number: true, required: true }); + + if (s.bars.show || (s.lines.show && s.lines.fill)) { + var autoscale = !!((s.bars.show && s.bars.zero) || (s.lines.show && s.lines.zero)); + format.push({ y: true, number: true, required: false, defaultValue: 0, autoscale: autoscale }); + if (s.bars.horizontal) { + delete format[format.length - 1].y; + format[format.length - 1].x = true; + } + } + + s.datapoints.format = format; + } + + if (s.datapoints.pointsize != null) + continue; // already filled in + + s.datapoints.pointsize = format.length; + + ps = s.datapoints.pointsize; + points = s.datapoints.points; + + var insertSteps = s.lines.show && s.lines.steps; + s.xaxis.used = s.yaxis.used = true; + + for (j = k = 0; j < data.length; ++j, k += ps) { + p = data[j]; + + var nullify = p == null; + if (!nullify) { + for (m = 0; m < ps; ++m) { + val = p[m]; + f = format[m]; + + if (f) { + if (f.number && val != null) { + val = +val; // convert to number + if (isNaN(val)) + val = null; + else if (val == Infinity) + val = fakeInfinity; + else if (val == -Infinity) + val = -fakeInfinity; + } + + if (val == null) { + if (f.required) + nullify = true; + + if (f.defaultValue != null) + val = f.defaultValue; + } + } + + points[k + m] = val; + } + } + + if (nullify) { + for (m = 0; m < ps; ++m) { + val = points[k + m]; + if (val != null) { + f = format[m]; + // extract min/max info + if (f.autoscale !== false) { + if (f.x) { + updateAxis(s.xaxis, val, val); + } + if (f.y) { + updateAxis(s.yaxis, val, val); + } + } + } + points[k + m] = null; + } + } + + if (insertSteps && k > 0 && (!nullify || points[k - ps] != null)) { + // copy the point to make room for a middle point + for (m = 0; m < ps; ++m) + points[k + ps + m] = points[k + m]; + + // middle point has same y + points[k + 1] = points[k - ps + 1] || 0; + + // if series has null values, let's give the last !null value a nice step + if(nullify) + points[k] = p[0]; + + // we've added a point, better reflect that + k += ps; + } + } + } + + // give the hooks a chance to run + for (i = 0; i < series.length; ++i) { + s = series[i]; + points = s.datapoints.points; + ps = s.datapoints.pointsize; + + // grafana + if (s.transform === 'negative-Y') { + for (j = 0; j < points.length; j += ps) { + if (points[j] == null) + continue; + + val = points[j + 1]; + points[j + 1] = -val; + } + } + + executeHooks(hooks.processDatapoints, [ s, s.datapoints]); + } + + // second pass: find datamax/datamin for auto-scaling + for (i = 0; i < series.length; ++i) { + s = series[i]; + points = s.datapoints.points; + ps = s.datapoints.pointsize; + format = s.datapoints.format; + + var xmin = topSentry, ymin = topSentry, + xmax = bottomSentry, ymax = bottomSentry; + + for (j = 0; j < points.length; j += ps) { + if (points[j] == null) + continue; + + for (m = 0; m < ps; ++m) { + val = points[j + m]; + f = format[m]; + if (!f || f.autoscale === false || val == fakeInfinity || val == -fakeInfinity) + continue; + + if (f.x) { + if (val < xmin) + xmin = val; + if (val > xmax) + xmax = val; + } + if (f.y) { + if (val < ymin) + ymin = val; + if (val > ymax) + ymax = val; + } + } + } + + if (s.bars.show) { + // make sure we got room for the bar on the dancing floor + var delta; + + switch (s.bars.align) { + case "left": + delta = 0; + break; + case "right": + delta = -s.bars.barWidth; + break; + default: + delta = -s.bars.barWidth / 2; + } + + if (s.bars.horizontal) { + ymin += delta; + ymax += delta + s.bars.barWidth; + } + else { + xmin += delta; + xmax += delta + s.bars.barWidth; + } + } + + updateAxis(s.xaxis, xmin, xmax); + updateAxis(s.yaxis, ymin, ymax); + } + + $.each(allAxes(), function (_, axis) { + if (axis.datamin == topSentry) + axis.datamin = null; + if (axis.datamax == bottomSentry) + axis.datamax = null; + }); + } + + function setupCanvases() { + // Make sure the placeholder is clear of everything except canvases + // from a previous plot in this container that we'll try to re-use. + + placeholder.find(".flot-temp-elem").remove(); + + if (placeholder.css("position") == 'static') + placeholder.css("position", "relative"); // for positioning labels and overlay + + surface = new Canvas("flot-base", placeholder); + overlay = new Canvas("flot-overlay", placeholder); // overlay canvas for interactive features + + ctx = surface.context; + octx = overlay.context; + + // define which element we're listening for events on + eventHolder = $(overlay.element).unbind(); + + // If we're re-using a plot object, shut down the old one + + var existing = placeholder.data("plot"); + + if (existing) { + existing.shutdown(); + overlay.clear(); + } + + // save in case we get replotted + placeholder.data("plot", plot); + } + + function bindEvents() { + // bind events + if (options.grid.hoverable) { + eventHolder.mousemove(onMouseMove); + + // Use bind, rather than .mouseleave, because we officially + // still support jQuery 1.2.6, which doesn't define a shortcut + // for mouseenter or mouseleave. This was a bug/oversight that + // was fixed somewhere around 1.3.x. We can return to using + // .mouseleave when we drop support for 1.2.6. + + eventHolder.bind("mouseleave", onMouseLeave); + } + + if (options.grid.clickable) + eventHolder.click(onClick); + + executeHooks(hooks.bindEvents, [eventHolder]); + } + + function shutdown() { + if (redrawTimeout) + clearTimeout(redrawTimeout); + + eventHolder.unbind("mousemove", onMouseMove); + eventHolder.unbind("mouseleave", onMouseLeave); + eventHolder.unbind("click", onClick); + + executeHooks(hooks.shutdown, [eventHolder]); + } + + function setTransformationHelpers(axis) { + // set helper functions on the axis, assumes plot area + // has been computed already + + function identity(x) { return x; } + + var s, m, t = axis.options.transform || identity, + it = axis.options.inverseTransform; + + // precompute how much the axis is scaling a point + // in canvas space + if (axis.direction == "x") { + s = axis.scale = plotWidth / Math.abs(t(axis.max) - t(axis.min)); + m = Math.min(t(axis.max), t(axis.min)); + } + else { + s = axis.scale = plotHeight / Math.abs(t(axis.max) - t(axis.min)); + s = -s; + m = Math.max(t(axis.max), t(axis.min)); + } + + // data point to canvas coordinate + if (t == identity) // slight optimization + axis.p2c = function (p) { return (p - m) * s; }; + else + axis.p2c = function (p) { return (t(p) - m) * s; }; + // canvas coordinate to data point + if (!it) + axis.c2p = function (c) { return m + c / s; }; + else + axis.c2p = function (c) { return it(m + c / s); }; + } + + function measureTickLabels(axis) { + + var opts = axis.options, + ticks = axis.ticks || [], + labelWidth = opts.labelWidth || 0, + labelHeight = opts.labelHeight || 0, + maxWidth = labelWidth || (axis.direction == "x" ? Math.floor(surface.width / (ticks.length || 1)) : null), + legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis", + layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles, + font = opts.font || "flot-tick-label tickLabel"; + + for (var i = 0; i < ticks.length; ++i) { + + var t = ticks[i]; + + if (!t.label) + continue; + + var info = surface.getTextInfo(layer, t.label, font, null, maxWidth); + + /// Grafana fix, add +1 to label width + labelWidth = Math.max(labelWidth, info.width + 1); + labelHeight = Math.max(labelHeight, info.height); + } + + axis.labelWidth = opts.labelWidth || labelWidth; + axis.labelHeight = opts.labelHeight || labelHeight; + } + + function allocateAxisBoxFirstPhase(axis) { + // find the bounding box of the axis by looking at label + // widths/heights and ticks, make room by diminishing the + // plotOffset; this first phase only looks at one + // dimension per axis, the other dimension depends on the + // other axes so will have to wait + + var lw = axis.labelWidth, + lh = axis.labelHeight, + pos = axis.options.position, + isXAxis = axis.direction === "x", + tickLength = axis.options.tickLength, + axisMargin = options.grid.axisMargin, + padding = options.grid.labelMargin, + eventSectionPadding = options.grid.eventSectionHeight, + innermost = true, + outermost = true, + first = true, + found = false; + + // Determine the axis's position in its direction and on its side + + $.each(isXAxis ? xaxes : yaxes, function(i, a) { + if (a && (a.show || a.reserveSpace)) { + if (a === axis) { + found = true; + } else if (a.options.position === pos) { + if (found) { + outermost = false; + } else { + innermost = false; + } + } + if (!found) { + first = false; + } + } + }); + + // The outermost axis on each side has no margin + + if (outermost) { + axisMargin = 0; + } + + // The ticks for the first axis in each direction stretch across + + if (tickLength == null) { + tickLength = first ? "full" : 5; + } + + if (!isNaN(+tickLength)) + padding += +tickLength; + + if (isXAxis) { + // Add space for event section + lh += padding; + lh += eventSectionPadding; + + if (pos == "bottom") { + plotOffset.bottom += lh + axisMargin; + axis.box = { top: surface.height - plotOffset.bottom, height: lh }; + } + else { + axis.box = { top: plotOffset.top + axisMargin, height: lh }; + plotOffset.top += lh + axisMargin; + } + } + else { + lw += padding; + + if (pos == "left") { + axis.box = { left: plotOffset.left + axisMargin, width: lw }; + plotOffset.left += lw + axisMargin; + } + else { + plotOffset.right += lw + axisMargin; + axis.box = { left: surface.width - plotOffset.right, width: lw }; + } + } + + // save for future reference + axis.position = pos; + axis.tickLength = tickLength; + axis.box.padding = padding; + axis.box.eventSectionPadding = eventSectionPadding; + axis.innermost = innermost; + } + + function allocateAxisBoxSecondPhase(axis) { + // now that all axis boxes have been placed in one + // dimension, we can set the remaining dimension coordinates + if (axis.direction == "x") { + axis.box.left = plotOffset.left - axis.labelWidth / 2; + axis.box.width = surface.width - plotOffset.left - plotOffset.right + axis.labelWidth; + } + else { + axis.box.top = plotOffset.top - axis.labelHeight / 2; + axis.box.height = surface.height - plotOffset.bottom - plotOffset.top + axis.labelHeight; + } + } + + function adjustLayoutForThingsStickingOut() { + // possibly adjust plot offset to ensure everything stays + // inside the canvas and isn't clipped off + + var minMargin = options.grid.minBorderMargin, + axis, i; + + // check stuff from the plot (FIXME: this should just read + // a value from the series, otherwise it's impossible to + // customize) + if (minMargin == null) { + minMargin = 0; + for (i = 0; i < series.length; ++i) + minMargin = Math.max(minMargin, 2 * (series[i].points.radius + series[i].points.lineWidth/2)); + } + + var margins = { + left: minMargin, + right: minMargin, + top: minMargin, + bottom: minMargin + }; + + // check axis labels, note we don't check the actual + // labels but instead use the overall width/height to not + // jump as much around with replots + $.each(allAxes(), function (_, axis) { + if (axis.reserveSpace && axis.ticks && axis.ticks.length) { + if (axis.direction === "x") { + margins.left = Math.max(margins.left, axis.labelWidth / 2); + margins.right = Math.max(margins.right, axis.labelWidth / 2); + } else { + margins.bottom = Math.max(margins.bottom, axis.labelHeight / 2); + margins.top = Math.max(margins.top, axis.labelHeight / 2); + } + } + }); + + plotOffset.left = Math.ceil(Math.max(margins.left, plotOffset.left)); + plotOffset.right = Math.ceil(Math.max(margins.right, plotOffset.right)); + plotOffset.top = Math.ceil(Math.max(margins.top, plotOffset.top)); + plotOffset.bottom = Math.ceil(Math.max(margins.bottom, plotOffset.bottom)); + } + + function setupGrid() { + var i, axes = allAxes(), showGrid = options.grid.show; + + // Initialize the plot's offset from the edge of the canvas + + for (var a in plotOffset) { + var margin = options.grid.margin || 0; + plotOffset[a] = typeof margin == "number" ? margin : margin[a] || 0; + } + + executeHooks(hooks.processOffset, [plotOffset]); + + // If the grid is visible, add its border width to the offset + + for (var a in plotOffset) { + if(typeof(options.grid.borderWidth) == "object") { + plotOffset[a] += showGrid ? options.grid.borderWidth[a] : 0; + } + else { + plotOffset[a] += showGrid ? options.grid.borderWidth : 0; + } + } + + $.each(axes, function (_, axis) { + var axisOpts = axis.options; + axis.show = axisOpts.show == null ? axis.used : axisOpts.show; + axis.reserveSpace = axisOpts.reserveSpace == null ? axis.show : axisOpts.reserveSpace; + setRange(axis); + }); + + if (showGrid) { + + var allocatedAxes = $.grep(axes, function (axis) { + return axis.show || axis.reserveSpace; + }); + + $.each(allocatedAxes, function (_, axis) { + // make the ticks + setupTickGeneration(axis); + setTicks(axis); + snapRangeToTicks(axis, axis.ticks); + // find labelWidth/Height for axis + measureTickLabels(axis); + }); + + // with all dimensions calculated, we can compute the + // axis bounding boxes, start from the outside + // (reverse order) + for (i = allocatedAxes.length - 1; i >= 0; --i) + allocateAxisBoxFirstPhase(allocatedAxes[i]); + + // make sure we've got enough space for things that + // might stick out + adjustLayoutForThingsStickingOut(); + + $.each(allocatedAxes, function (_, axis) { + allocateAxisBoxSecondPhase(axis); + }); + } + + plotWidth = surface.width - plotOffset.left - plotOffset.right; + plotHeight = surface.height - plotOffset.bottom - plotOffset.top; + + // now we got the proper plot dimensions, we can compute the scaling + $.each(axes, function (_, axis) { + setTransformationHelpers(axis); + }); + + if (showGrid) { + drawAxisLabels(); + } + + insertLegend(); + } + + function setRange(axis) { + var opts = axis.options, + min = +(opts.min != null ? opts.min : axis.datamin), + max = +(opts.max != null ? opts.max : axis.datamax), + delta = max - min; + + if (delta == 0.0) { + // Grafana fix: wide Y min and max using increased wideFactor + // when all series values are the same + var wideFactor = 0.25; + var widen = Math.abs(max == 0 ? 1 : max * wideFactor); + + if (opts.min == null) { + min -= widen; + } + // always widen max if we couldn't widen min to ensure we + // don't fall into min == max which doesn't work + if (opts.max == null || opts.min != null) { + max += widen; + } + } + else { + // consider autoscaling + var margin = opts.autoscaleMargin; + if (margin != null) { + if (opts.min == null) { + min -= delta * margin; + // make sure we don't go below zero if all values + // are positive + if (min < 0 && axis.datamin != null && axis.datamin >= 0) + min = 0; + } + if (opts.max == null) { + max += delta * margin; + if (max > 0 && axis.datamax != null && axis.datamax <= 0) + max = 0; + } + } + } + axis.min = min; + axis.max = max; + } + + function setupTickGeneration(axis) { + var opts = axis.options; + + // estimate number of ticks + var noTicks; + if (typeof opts.ticks == "number" && opts.ticks > 0) + noTicks = opts.ticks; + else + // heuristic based on the model a*sqrt(x) fitted to + // some data points that seemed reasonable + noTicks = 0.3 * Math.sqrt(axis.direction == "x" ? surface.width : surface.height); + + var delta = (axis.max - axis.min) / noTicks, + dec = -Math.floor(Math.log(delta) / Math.LN10), + maxDec = opts.tickDecimals; + + if (maxDec != null && dec > maxDec) { + dec = maxDec; + } + + var magn = Math.pow(10, -dec), + norm = delta / magn, // norm is between 1.0 and 10.0 + size; + + if (norm < 1.5) { + size = 1; + } else if (norm < 3) { + size = 2; + // special case for 2.5, requires an extra decimal + if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) { + size = 2.5; + ++dec; + } + } else if (norm < 7.5) { + size = 5; + } else { + size = 10; + } + + size *= magn; + + if (opts.minTickSize != null && size < opts.minTickSize) { + size = opts.minTickSize; + } + + axis.delta = delta; + axis.tickDecimals = Math.max(0, maxDec != null ? maxDec : dec); + axis.tickSize = opts.tickSize || size; + // grafana addition + axis.scaledDecimals = axis.tickDecimals - Math.floor(Math.log(axis.tickSize) / Math.LN10); + + // Time mode was moved to a plug-in in 0.8, and since so many people use it + // we'll add an especially friendly reminder to make sure they included it. + + if (opts.mode == "time" && !axis.tickGenerator) { + throw new Error("Time mode requires the flot.time plugin."); + } + + // Flot supports base-10 axes; any other mode else is handled by a plug-in, + // like flot.time.js. + + if (!axis.tickGenerator) { + + axis.tickGenerator = function (axis) { + + var ticks = [], + start = floorInBase(axis.min, axis.tickSize), + i = 0, + v = Number.NaN, + prev; + + do { + prev = v; + v = start + i * axis.tickSize; + ticks.push(v); + ++i; + } while (v < axis.max && v != prev); + return ticks; + }; + + axis.tickFormatter = function (value, axis) { + + var factor = axis.tickDecimals ? Math.pow(10, axis.tickDecimals) : 1; + var formatted = "" + Math.round(value * factor) / factor; + + // If tickDecimals was specified, ensure that we have exactly that + // much precision; otherwise default to the value's own precision. + + if (axis.tickDecimals != null) { + var decimal = formatted.indexOf("."); + var precision = decimal == -1 ? 0 : formatted.length - decimal - 1; + if (precision < axis.tickDecimals) { + return (precision ? formatted : formatted + ".") + ("" + factor).substr(1, axis.tickDecimals - precision); + } + } + + return formatted; + }; + } + + if ($.isFunction(opts.tickFormatter)) + axis.tickFormatter = function (v, axis) { return "" + opts.tickFormatter(v, axis); }; + + if (opts.alignTicksWithAxis != null) { + var otherAxis = (axis.direction == "x" ? xaxes : yaxes)[opts.alignTicksWithAxis - 1]; + if (otherAxis && otherAxis.used && otherAxis != axis) { + // consider snapping min/max to outermost nice ticks + var niceTicks = axis.tickGenerator(axis); + if (niceTicks.length > 0) { + if (opts.min == null) + axis.min = Math.min(axis.min, niceTicks[0]); + if (opts.max == null && niceTicks.length > 1) + axis.max = Math.max(axis.max, niceTicks[niceTicks.length - 1]); + } + + axis.tickGenerator = function (axis) { + // copy ticks, scaled to this axis + var ticks = [], v, i; + for (i = 0; i < otherAxis.ticks.length; ++i) { + v = (otherAxis.ticks[i].v - otherAxis.min) / (otherAxis.max - otherAxis.min); + v = axis.min + v * (axis.max - axis.min); + ticks.push(v); + } + return ticks; + }; + + // we might need an extra decimal since forced + // ticks don't necessarily fit naturally + if (!axis.mode && opts.tickDecimals == null) { + var extraDec = Math.max(0, -Math.floor(Math.log(axis.delta) / Math.LN10) + 1), + ts = axis.tickGenerator(axis); + + // only proceed if the tick interval rounded + // with an extra decimal doesn't give us a + // zero at end + if (!(ts.length > 1 && /\..*0$/.test((ts[1] - ts[0]).toFixed(extraDec)))) + axis.tickDecimals = extraDec; + } + } + } + } + + function setTicks(axis) { + var oticks = axis.options.ticks, ticks = []; + if (oticks == null || (typeof oticks == "number" && oticks > 0)) + ticks = axis.tickGenerator(axis); + else if (oticks) { + if ($.isFunction(oticks)) + // generate the ticks + ticks = oticks(axis); + else + ticks = oticks; + } + + // clean up/labelify the supplied ticks, copy them over + var i, v; + axis.ticks = []; + for (i = 0; i < ticks.length; ++i) { + var label = null; + var t = ticks[i]; + if (typeof t == "object") { + v = +t[0]; + if (t.length > 1) + label = t[1]; + } + else + v = +t; + if (label == null) + label = axis.tickFormatter(v, axis); + if (!isNaN(v)) + axis.ticks.push({ v: v, label: label }); + } + } + + function snapRangeToTicks(axis, ticks) { + if (axis.options.autoscaleMargin && ticks.length > 0) { + // snap to ticks + if (axis.options.min == null) + axis.min = Math.min(axis.min, ticks[0].v); + if (axis.options.max == null && ticks.length > 1) + axis.max = Math.max(axis.max, ticks[ticks.length - 1].v); + } + } + + function draw() { + + surface.clear(); + + executeHooks(hooks.drawBackground, [ctx]); + + var grid = options.grid; + + // draw background, if any + if (grid.show && grid.backgroundColor) + drawBackground(); + + if (grid.show && !grid.aboveData) { + drawGrid(); + } + + for (var i = 0; i < series.length; ++i) { + executeHooks(hooks.drawSeries, [ctx, series[i]]); + drawSeries(series[i]); + } + + executeHooks(hooks.draw, [ctx]); + + if (grid.show && grid.aboveData) { + drawGrid(); + } + + surface.render(); + + // A draw implies that either the axes or data have changed, so we + // should probably update the overlay highlights as well. + + triggerRedrawOverlay(); + } + + function extractRange(ranges, coord) { + var axis, from, to, key, axes = allAxes(); + + for (var i = 0; i < axes.length; ++i) { + axis = axes[i]; + if (axis.direction == coord) { + key = coord + axis.n + "axis"; + if (!ranges[key] && axis.n == 1) + key = coord + "axis"; // support x1axis as xaxis + if (ranges[key]) { + from = ranges[key].from; + to = ranges[key].to; + break; + } + } + } + + // backwards-compat stuff - to be removed in future + if (!ranges[key]) { + axis = coord == "x" ? xaxes[0] : yaxes[0]; + from = ranges[coord + "1"]; + to = ranges[coord + "2"]; + } + + // auto-reverse as an added bonus + if (from != null && to != null && from > to) { + var tmp = from; + from = to; + to = tmp; + } + + return { from: from, to: to, axis: axis }; + } + + function drawBackground() { + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + ctx.fillStyle = getColorOrGradient(options.grid.backgroundColor, plotHeight, 0, "rgba(255, 255, 255, 0)"); + ctx.fillRect(0, 0, plotWidth, plotHeight); + ctx.restore(); + } + + function drawGrid() { + var i, axes, bw, bc; + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + // draw markings + var markings = options.grid.markings; + if (markings) { + if ($.isFunction(markings)) { + axes = plot.getAxes(); + // xmin etc. is backwards compatibility, to be + // removed in the future + axes.xmin = axes.xaxis.min; + axes.xmax = axes.xaxis.max; + axes.ymin = axes.yaxis.min; + axes.ymax = axes.yaxis.max; + + markings = markings(axes); + } + + for (i = 0; i < markings.length; ++i) { + var m = markings[i], + xrange = extractRange(m, "x"), + yrange = extractRange(m, "y"); + + // fill in missing + if (xrange.from == null) + xrange.from = xrange.axis.min; + if (xrange.to == null) + xrange.to = xrange.axis.max; + if (yrange.from == null) + yrange.from = yrange.axis.min; + if (yrange.to == null) + yrange.to = yrange.axis.max; + + // clip + if (xrange.to < xrange.axis.min || xrange.from > xrange.axis.max || + yrange.to < yrange.axis.min || yrange.from > yrange.axis.max) + continue; + + xrange.from = Math.max(xrange.from, xrange.axis.min); + xrange.to = Math.min(xrange.to, xrange.axis.max); + yrange.from = Math.max(yrange.from, yrange.axis.min); + yrange.to = Math.min(yrange.to, yrange.axis.max); + + var xequal = xrange.from === xrange.to, + yequal = yrange.from === yrange.to; + + if (xequal && yequal) { + continue; + } + + // then draw + xrange.from = Math.floor(xrange.axis.p2c(xrange.from)); + xrange.to = Math.floor(xrange.axis.p2c(xrange.to)); + yrange.from = Math.floor(yrange.axis.p2c(yrange.from)); + yrange.to = Math.floor(yrange.axis.p2c(yrange.to)); + + if (xequal || yequal) { + var lineWidth = m.lineWidth || options.grid.markingsLineWidth, + subPixel = lineWidth % 2 ? 0.5 : 0; + ctx.beginPath(); + ctx.strokeStyle = m.color || options.grid.markingsColor; + ctx.lineWidth = lineWidth; + if (xequal) { + ctx.moveTo(xrange.to + subPixel, yrange.from); + ctx.lineTo(xrange.to + subPixel, yrange.to); + } else { + ctx.moveTo(xrange.from, yrange.to + subPixel); + ctx.lineTo(xrange.to, yrange.to + subPixel); + } + ctx.stroke(); + } else { + ctx.fillStyle = m.color || options.grid.markingsColor; + ctx.fillRect(xrange.from, yrange.to, + xrange.to - xrange.from, + yrange.from - yrange.to); + } + } + } + + // draw the ticks + axes = allAxes(); + bw = options.grid.borderWidth; + + for (var j = 0; j < axes.length; ++j) { + var axis = axes[j], box = axis.box, + t = axis.tickLength, x, y, xoff, yoff; + if (!axis.show || axis.ticks.length == 0) + continue; + + ctx.lineWidth = 1; + + // find the edges + if (axis.direction == "x") { + x = 0; + if (t == "full") + y = (axis.position == "top" ? 0 : plotHeight); + else + y = box.top - plotOffset.top + (axis.position == "top" ? box.height : 0); + } + else { + y = 0; + if (t == "full") + x = (axis.position == "left" ? 0 : plotWidth); + else + x = box.left - plotOffset.left + (axis.position == "left" ? box.width : 0); + } + + // draw tick bar + if (!axis.innermost) { + ctx.strokeStyle = axis.options.color; + ctx.beginPath(); + xoff = yoff = 0; + if (axis.direction == "x") + xoff = plotWidth + 1; + else + yoff = plotHeight + 1; + + if (ctx.lineWidth == 1) { + if (axis.direction == "x") { + y = Math.floor(y) + 0.5; + } else { + x = Math.floor(x) + 0.5; + } + } + + ctx.moveTo(x, y); + ctx.lineTo(x + xoff, y + yoff); + ctx.stroke(); + } + + // draw ticks + + ctx.strokeStyle = axis.options.tickColor; + + ctx.beginPath(); + for (i = 0; i < axis.ticks.length; ++i) { + var v = axis.ticks[i].v; + + xoff = yoff = 0; + + if (isNaN(v) || v < axis.min || v > axis.max + // skip those lying on the axes if we got a border + || (t == "full" + && ((typeof bw == "object" && bw[axis.position] > 0) || bw > 0) + && (v == axis.min || v == axis.max))) + continue; + + if (axis.direction == "x") { + x = axis.p2c(v); + yoff = t == "full" ? -plotHeight : t; + + if (axis.position == "top") + yoff = -yoff; + } + else { + y = axis.p2c(v); + xoff = t == "full" ? -plotWidth : t; + + if (axis.position == "left") + xoff = -xoff; + } + + if (ctx.lineWidth == 1) { + if (axis.direction == "x") + x = Math.floor(x) + 0.5; + else + y = Math.floor(y) + 0.5; + } + + ctx.moveTo(x, y); + ctx.lineTo(x + xoff, y + yoff); + } + + ctx.stroke(); + } + + + // draw border + if (bw) { + // If either borderWidth or borderColor is an object, then draw the border + // line by line instead of as one rectangle + bc = options.grid.borderColor; + if(typeof bw == "object" || typeof bc == "object") { + if (typeof bw !== "object") { + bw = {top: bw, right: bw, bottom: bw, left: bw}; + } + if (typeof bc !== "object") { + bc = {top: bc, right: bc, bottom: bc, left: bc}; + } + + if (bw.top > 0) { + ctx.strokeStyle = bc.top; + ctx.lineWidth = bw.top; + ctx.beginPath(); + ctx.moveTo(0 - bw.left, 0 - bw.top/2); + ctx.lineTo(plotWidth, 0 - bw.top/2); + ctx.stroke(); + } + + if (bw.right > 0) { + ctx.strokeStyle = bc.right; + ctx.lineWidth = bw.right; + ctx.beginPath(); + ctx.moveTo(plotWidth + bw.right / 2, 0 - bw.top); + ctx.lineTo(plotWidth + bw.right / 2, plotHeight); + ctx.stroke(); + } + + if (bw.bottom > 0) { + ctx.strokeStyle = bc.bottom; + ctx.lineWidth = bw.bottom; + ctx.beginPath(); + ctx.moveTo(plotWidth + bw.right, plotHeight + bw.bottom / 2); + ctx.lineTo(0, plotHeight + bw.bottom / 2); + ctx.stroke(); + } + + if (bw.left > 0) { + ctx.strokeStyle = bc.left; + ctx.lineWidth = bw.left; + ctx.beginPath(); + ctx.moveTo(0 - bw.left/2, plotHeight + bw.bottom); + ctx.lineTo(0- bw.left/2, 0); + ctx.stroke(); + } + } + else { + ctx.lineWidth = bw; + ctx.strokeStyle = options.grid.borderColor; + ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw); + } + } + + ctx.restore(); + } + + function drawAxisLabels() { + + $.each(allAxes(), function (_, axis) { + var box = axis.box, + legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis", + layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles, + font = axis.options.font || "flot-tick-label tickLabel", + tick, x, y, halign, valign; + + // Remove text before checking for axis.show and ticks.length; + // otherwise plugins, like flot-tickrotor, that draw their own + // tick labels will end up with both theirs and the defaults. + + surface.removeText(layer); + + if (!axis.show || axis.ticks.length == 0) + return; + + for (var i = 0; i < axis.ticks.length; ++i) { + + tick = axis.ticks[i]; + if (!tick.label || tick.v < axis.min || tick.v > axis.max) + continue; + + if (axis.direction == "x") { + halign = "center"; + x = plotOffset.left + axis.p2c(tick.v); + if (axis.position == "bottom") { + y = box.top + box.padding + box.eventSectionPadding; + } else { + y = box.top + box.height - box.padding; + valign = "bottom"; + } + } else { + valign = "middle"; + y = plotOffset.top + axis.p2c(tick.v); + if (axis.position == "left") { + x = box.left + box.width - box.padding; + halign = "right"; + } else { + x = box.left + box.padding; + } + } + + surface.addText(layer, x, y, tick.label, font, null, null, halign, valign); + } + }); + } + + function drawSeries(series) { + if (series.lines.show) + drawSeriesLines(series); + if (series.bars.show) + drawSeriesBars(series); + if (series.points.show) + drawSeriesPoints(series); + } + + function drawSeriesLines(series) { + function plotLine(datapoints, xoffset, yoffset, axisx, axisy) { + var points = datapoints.points, + ps = datapoints.pointsize, + prevx = null, prevy = null; + + ctx.beginPath(); + for (var i = ps; i < points.length; i += ps) { + var x1 = points[i - ps], y1 = points[i - ps + 1], + x2 = points[i], y2 = points[i + 1]; + + if (x1 == null || x2 == null) + continue; + + // clip with ymin + if (y1 <= y2 && y1 < axisy.min) { + if (y2 < axisy.min) + continue; // line segment is outside + // compute new intersection point + x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.min; + } + else if (y2 <= y1 && y2 < axisy.min) { + if (y1 < axisy.min) + continue; + x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.min; + } + + // clip with ymax + if (y1 >= y2 && y1 > axisy.max) { + if (y2 > axisy.max) + continue; + x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.max; + } + else if (y2 >= y1 && y2 > axisy.max) { + if (y1 > axisy.max) + continue; + x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.max; + } + + // clip with xmin + if (x1 <= x2 && x1 < axisx.min) { + if (x2 < axisx.min) + continue; + y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.min; + } + else if (x2 <= x1 && x2 < axisx.min) { + if (x1 < axisx.min) + continue; + y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.min; + } + + // clip with xmax + if (x1 >= x2 && x1 > axisx.max) { + if (x2 > axisx.max) + continue; + y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.max; + } + else if (x2 >= x1 && x2 > axisx.max) { + if (x1 > axisx.max) + continue; + y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.max; + } + + if (x1 != prevx || y1 != prevy) + ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset); + + prevx = x2; + prevy = y2; + ctx.lineTo(axisx.p2c(x2) + xoffset, axisy.p2c(y2) + yoffset); + } + ctx.stroke(); + } + + function plotLineArea(datapoints, axisx, axisy) { + var points = datapoints.points, + ps = datapoints.pointsize, + bottom = Math.min(Math.max(0, axisy.min), axisy.max), + i = 0, top, areaOpen = false, + ypos = 1, segmentStart = 0, segmentEnd = 0; + + // we process each segment in two turns, first forward + // direction to sketch out top, then once we hit the + // end we go backwards to sketch the bottom + while (true) { + if (ps > 0 && i > points.length + ps) + break; + + i += ps; // ps is negative if going backwards + + var x1 = points[i - ps], + y1 = points[i - ps + ypos], + x2 = points[i], y2 = points[i + ypos]; + + if (areaOpen) { + if (ps > 0 && x1 != null && x2 == null) { + // at turning point + segmentEnd = i; + ps = -ps; + ypos = 2; + continue; + } + + if (ps < 0 && i == segmentStart + ps) { + // done with the reverse sweep + ctx.fill(); + areaOpen = false; + ps = -ps; + ypos = 1; + i = segmentStart = segmentEnd + ps; + continue; + } + } + + if (x1 == null || x2 == null) + continue; + + // clip x values + + // clip with xmin + if (x1 <= x2 && x1 < axisx.min) { + if (x2 < axisx.min) + continue; + y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.min; + } + else if (x2 <= x1 && x2 < axisx.min) { + if (x1 < axisx.min) + continue; + y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.min; + } + + // clip with xmax + if (x1 >= x2 && x1 > axisx.max) { + if (x2 > axisx.max) + continue; + y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.max; + } + else if (x2 >= x1 && x2 > axisx.max) { + if (x1 > axisx.max) + continue; + y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.max; + } + + if (!areaOpen) { + // open area + ctx.beginPath(); + ctx.moveTo(axisx.p2c(x1), axisy.p2c(bottom)); + areaOpen = true; + } + + // now first check the case where both is outside + if (y1 >= axisy.max && y2 >= axisy.max) { + ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.max)); + ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.max)); + continue; + } + else if (y1 <= axisy.min && y2 <= axisy.min) { + ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.min)); + ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.min)); + continue; + } + + // else it's a bit more complicated, there might + // be a flat maxed out rectangle first, then a + // triangular cutout or reverse; to find these + // keep track of the current x values + var x1old = x1, x2old = x2; + + // clip the y values, without shortcutting, we + // go through all cases in turn + + // clip with ymin + if (y1 <= y2 && y1 < axisy.min && y2 >= axisy.min) { + x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.min; + } + else if (y2 <= y1 && y2 < axisy.min && y1 >= axisy.min) { + x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.min; + } + + // clip with ymax + if (y1 >= y2 && y1 > axisy.max && y2 <= axisy.max) { + x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.max; + } + else if (y2 >= y1 && y2 > axisy.max && y1 <= axisy.max) { + x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.max; + } + + // if the x value was changed we got a rectangle + // to fill + if (x1 != x1old) { + ctx.lineTo(axisx.p2c(x1old), axisy.p2c(y1)); + // it goes to (x1, y1), but we fill that below + } + + // fill triangular section, this sometimes result + // in redundant points if (x1, y1) hasn't changed + // from previous line to, but we just ignore that + ctx.lineTo(axisx.p2c(x1), axisy.p2c(y1)); + ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2)); + + // fill the other rectangle if it's there + if (x2 != x2old) { + ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2)); + ctx.lineTo(axisx.p2c(x2old), axisy.p2c(y2)); + } + } + } + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + ctx.lineJoin = "round"; + + var lw = series.lines.lineWidth, + sw = series.shadowSize; + // FIXME: consider another form of shadow when filling is turned on + if (lw > 0 && sw > 0) { + // draw shadow as a thick and thin line with transparency + ctx.lineWidth = sw; + ctx.strokeStyle = "rgba(0,0,0,0.1)"; + // position shadow at angle from the mid of line + var angle = Math.PI/18; + plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/2), Math.cos(angle) * (lw/2 + sw/2), series.xaxis, series.yaxis); + ctx.lineWidth = sw/2; + plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/4), Math.cos(angle) * (lw/2 + sw/4), series.xaxis, series.yaxis); + } + + ctx.lineWidth = lw; + ctx.strokeStyle = series.color; + var fillStyle = getFillStyle(series.lines, series.color, 0, plotHeight); + if (fillStyle) { + ctx.fillStyle = fillStyle; + plotLineArea(series.datapoints, series.xaxis, series.yaxis); + } + + if (lw > 0) + plotLine(series.datapoints, 0, 0, series.xaxis, series.yaxis); + ctx.restore(); + } + + function drawSeriesPoints(series) { + function plotPoints(datapoints, radius, fillStyle, offset, shadow, axisx, axisy, symbol) { + var points = datapoints.points, ps = datapoints.pointsize; + + for (var i = 0; i < points.length; i += ps) { + var x = points[i], y = points[i + 1]; + if (x == null || x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max) + continue; + + ctx.beginPath(); + x = axisx.p2c(x); + y = axisy.p2c(y) + offset; + if (symbol == "circle") + ctx.arc(x, y, radius, 0, shadow ? Math.PI : Math.PI * 2, false); + else + symbol(ctx, x, y, radius, shadow); + ctx.closePath(); + + if (fillStyle) { + ctx.fillStyle = fillStyle; + ctx.fill(); + } + ctx.stroke(); + } + } + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + var lw = series.points.lineWidth, + sw = series.shadowSize, + radius = series.points.radius, + symbol = series.points.symbol; + + // If the user sets the line width to 0, we change it to a very + // small value. A line width of 0 seems to force the default of 1. + // Doing the conditional here allows the shadow setting to still be + // optional even with a lineWidth of 0. + + if( lw == 0 ) + lw = 0.0001; + + if (lw > 0 && sw > 0) { + // draw shadow in two steps + var w = sw / 2; + ctx.lineWidth = w; + ctx.strokeStyle = "rgba(0,0,0,0.1)"; + plotPoints(series.datapoints, radius, null, w + w/2, true, + series.xaxis, series.yaxis, symbol); + + ctx.strokeStyle = "rgba(0,0,0,0.2)"; + plotPoints(series.datapoints, radius, null, w/2, true, + series.xaxis, series.yaxis, symbol); + } + + ctx.lineWidth = lw; + ctx.strokeStyle = series.color; + plotPoints(series.datapoints, radius, + getFillStyle(series.points, series.color), 0, false, + series.xaxis, series.yaxis, symbol); + ctx.restore(); + } + + function drawBar(x, y, b, barLeft, barRight, fillStyleCallback, axisx, axisy, c, horizontal, lineWidth) { + var left, right, bottom, top, + drawLeft, drawRight, drawTop, drawBottom, + tmp; + + // in horizontal mode, we start the bar from the left + // instead of from the bottom so it appears to be + // horizontal rather than vertical + if (horizontal) { + drawBottom = drawRight = drawTop = true; + drawLeft = false; + left = b; + right = x; + top = y + barLeft; + bottom = y + barRight; + + // account for negative bars + if (right < left) { + tmp = right; + right = left; + left = tmp; + drawLeft = true; + drawRight = false; + } + } + else { + drawLeft = drawRight = drawTop = true; + drawBottom = false; + left = x + barLeft; + right = x + barRight; + bottom = b; + top = y; + + // account for negative bars + if (top < bottom) { + tmp = top; + top = bottom; + bottom = tmp; + drawBottom = true; + drawTop = false; + } + } + + // clip + if (right < axisx.min || left > axisx.max || + top < axisy.min || bottom > axisy.max) + return; + + if (left < axisx.min) { + left = axisx.min; + drawLeft = false; + } + + if (right > axisx.max) { + right = axisx.max; + drawRight = false; + } + + if (bottom < axisy.min) { + bottom = axisy.min; + drawBottom = false; + } + + if (top > axisy.max) { + top = axisy.max; + drawTop = false; + } + + left = axisx.p2c(left); + bottom = axisy.p2c(bottom); + right = axisx.p2c(right); + top = axisy.p2c(top); + + // fill the bar + if (fillStyleCallback) { + c.fillStyle = fillStyleCallback(bottom, top); + c.fillRect(left, top, right - left, bottom - top) + } + + // draw outline + if (lineWidth > 0 && (drawLeft || drawRight || drawTop || drawBottom)) { + c.beginPath(); + + // FIXME: inline moveTo is buggy with excanvas + c.moveTo(left, bottom); + if (drawLeft) + c.lineTo(left, top); + else + c.moveTo(left, top); + if (drawTop) + c.lineTo(right, top); + else + c.moveTo(right, top); + if (drawRight) + c.lineTo(right, bottom); + else + c.moveTo(right, bottom); + if (drawBottom) + c.lineTo(left, bottom); + else + c.moveTo(left, bottom); + c.stroke(); + } + } + + function drawSeriesBars(series) { + function plotBars(datapoints, barLeft, barRight, fillStyleCallback, axisx, axisy) { + var points = datapoints.points, ps = datapoints.pointsize; + + for (var i = 0; i < points.length; i += ps) { + if (points[i] == null) + continue; + drawBar(points[i], points[i + 1], points[i + 2], barLeft, barRight, fillStyleCallback, axisx, axisy, ctx, series.bars.horizontal, series.bars.lineWidth); + } + } + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + // FIXME: figure out a way to add shadows (for instance along the right edge) + ctx.lineWidth = series.bars.lineWidth; + ctx.strokeStyle = series.color; + + var barLeft; + + switch (series.bars.align) { + case "left": + barLeft = 0; + break; + case "right": + barLeft = -series.bars.barWidth; + break; + default: + barLeft = -series.bars.barWidth / 2; + } + + var fillStyleCallback = series.bars.fill ? function (bottom, top) { return getFillStyle(series.bars, series.color, bottom, top); } : null; + plotBars(series.datapoints, barLeft, barLeft + series.bars.barWidth, fillStyleCallback, series.xaxis, series.yaxis); + ctx.restore(); + } + + function getFillStyle(filloptions, seriesColor, bottom, top) { + var fill = filloptions.fill; + if (!fill) + return null; + + if (filloptions.fillColor) + return getColorOrGradient(filloptions.fillColor, bottom, top, seriesColor); + + var c = $.color.parse(seriesColor); + c.a = typeof fill == "number" ? fill : 0.4; + c.normalize(); + return c.toString(); + } + + function insertLegend() { + + if (options.legend.container != null) { + $(options.legend.container).html(""); + } else { + placeholder.find(".legend").remove(); + } + + if (!options.legend.show) { + return; + } + + var fragments = [], entries = [], rowStarted = false, + lf = options.legend.labelFormatter, s, label; + + // Build a list of legend entries, with each having a label and a color + + for (var i = 0; i < series.length; ++i) { + s = series[i]; + if (s.label) { + label = lf ? lf(s.label, s) : s.label; + if (label) { + entries.push({ + label: label, + color: s.color + }); + } + } + } + + // Sort the legend using either the default or a custom comparator + + if (options.legend.sorted) { + if ($.isFunction(options.legend.sorted)) { + entries.sort(options.legend.sorted); + } else if (options.legend.sorted == "reverse") { + entries.reverse(); + } else { + var ascending = options.legend.sorted != "descending"; + entries.sort(function(a, b) { + return a.label == b.label ? 0 : ( + (a.label < b.label) != ascending ? 1 : -1 // Logical XOR + ); + }); + } + } + + // Generate markup for the list of entries, in their final order + + for (var i = 0; i < entries.length; ++i) { + + var entry = entries[i]; + + if (i % options.legend.noColumns == 0) { + if (rowStarted) + fragments.push(''); + fragments.push(''); + rowStarted = true; + } + + fragments.push( + '
' + + '' + entry.label + '' + ); + } + + if (rowStarted) + fragments.push(''); + + if (fragments.length == 0) + return; + + var table = '' + fragments.join("") + '
'; + if (options.legend.container != null) + $(options.legend.container).html(table); + else { + var pos = "", + p = options.legend.position, + m = options.legend.margin; + if (m[0] == null) + m = [m, m]; + if (p.charAt(0) == "n") + pos += 'top:' + (m[1] + plotOffset.top) + 'px;'; + else if (p.charAt(0) == "s") + pos += 'bottom:' + (m[1] + plotOffset.bottom) + 'px;'; + if (p.charAt(1) == "e") + pos += 'right:' + (m[0] + plotOffset.right) + 'px;'; + else if (p.charAt(1) == "w") + pos += 'left:' + (m[0] + plotOffset.left) + 'px;'; + var legend = $('
' + table.replace('style="', 'style="position:absolute;' + pos +';') + '
').appendTo(placeholder); + if (options.legend.backgroundOpacity != 0.0) { + // put in the transparent background + // separately to avoid blended labels and + // label boxes + var c = options.legend.backgroundColor; + if (c == null) { + c = options.grid.backgroundColor; + if (c && typeof c == "string") + c = $.color.parse(c); + else + c = $.color.extract(legend, 'background-color'); + c.a = 1; + c = c.toString(); + } + var div = legend.children(); + $('
').prependTo(legend).css('opacity', options.legend.backgroundOpacity); + } + } + } + + + // interactive features + + var highlights = [], + redrawTimeout = null; + + // returns the data item the mouse is over, or null if none is found + function findNearbyItem(mouseX, mouseY, seriesFilter) { + var maxDistance = options.grid.mouseActiveRadius, + smallestDistance = maxDistance * maxDistance + 1, + item = null, foundPoint = false, i, j, ps; + + for (i = series.length - 1; i >= 0; --i) { + if (!seriesFilter(series[i])) + continue; + + var s = series[i], + axisx = s.xaxis, + axisy = s.yaxis, + points = s.datapoints.points, + mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster + my = axisy.c2p(mouseY), + maxx = maxDistance / axisx.scale, + maxy = maxDistance / axisy.scale; + + ps = s.datapoints.pointsize; + // with inverse transforms, we can't use the maxx/maxy + // optimization, sadly + if (axisx.options.inverseTransform) + maxx = Number.MAX_VALUE; + if (axisy.options.inverseTransform) + maxy = Number.MAX_VALUE; + + if (s.lines.show || s.points.show) { + for (j = 0; j < points.length; j += ps) { + var x = points[j], y = points[j + 1]; + if (x == null) + continue; + + // For points and lines, the cursor must be within a + // certain distance to the data point + if (x - mx > maxx || x - mx < -maxx || + y - my > maxy || y - my < -maxy) + continue; + + // We have to calculate distances in pixels, not in + // data units, because the scales of the axes may be different + var dx = Math.abs(axisx.p2c(x) - mouseX), + dy = Math.abs(axisy.p2c(y) - mouseY), + dist = dx * dx + dy * dy; // we save the sqrt + + // use <= to ensure last point takes precedence + // (last generally means on top of) + if (dist < smallestDistance) { + smallestDistance = dist; + item = [i, j / ps]; + } + } + } + + if (s.bars.show && !item) { // no other point can be nearby + + var barLeft, barRight; + + switch (s.bars.align) { + case "left": + barLeft = 0; + break; + case "right": + barLeft = -s.bars.barWidth; + break; + default: + barLeft = -s.bars.barWidth / 2; + } + + barRight = barLeft + s.bars.barWidth; + + for (j = 0; j < points.length; j += ps) { + var x = points[j], y = points[j + 1], b = points[j + 2]; + if (x == null) + continue; + + // for a bar graph, the cursor must be inside the bar + if (series[i].bars.horizontal ? + (mx <= Math.max(b, x) && mx >= Math.min(b, x) && + my >= y + barLeft && my <= y + barRight) : + (mx >= x + barLeft && mx <= x + barRight && + my >= Math.min(b, y) && my <= Math.max(b, y))) + item = [i, j / ps]; + } + } + } + + if (item) { + i = item[0]; + j = item[1]; + ps = series[i].datapoints.pointsize; + + return { datapoint: series[i].datapoints.points.slice(j * ps, (j + 1) * ps), + dataIndex: j, + series: series[i], + seriesIndex: i }; + } + + return null; + } + + function onMouseMove(e) { + if (options.grid.hoverable) + triggerClickHoverEvent("plothover", e, + function (s) { return s["hoverable"] != false; }); + } + + function onMouseLeave(e) { + if (options.grid.hoverable) + triggerClickHoverEvent("plothover", e, + function (s) { return false; }); + } + + function onClick(e) { + if (plot.isSelecting) { + return; + } + + triggerClickHoverEvent("plotclick", e, function (s) { return s["clickable"] != false; }); + } + + // trigger click or hover event (they send the same parameters + // so we share their code) + function triggerClickHoverEvent(eventname, event, seriesFilter) { + var offset = eventHolder.offset(), + canvasX = event.pageX - offset.left - plotOffset.left, + canvasY = event.pageY - offset.top - plotOffset.top, + pos = canvasToAxisCoords({ left: canvasX, top: canvasY }); + + pos.pageX = event.pageX; + pos.pageY = event.pageY; + + // Add ctrlKey and metaKey to event + pos.ctrlKey = event.ctrlKey; + pos.metaKey = event.metaKey; + + var item = findNearbyItem(canvasX, canvasY, seriesFilter); + + if (item) { + // fill in mouse pos for any listeners out there + item.pageX = parseInt(item.series.xaxis.p2c(item.datapoint[0]) + offset.left + plotOffset.left, 10); + item.pageY = parseInt(item.series.yaxis.p2c(item.datapoint[1]) + offset.top + plotOffset.top, 10); + } + + if (options.grid.autoHighlight) { + // clear auto-highlights + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.auto == eventname && + !(item && h.series == item.series && + h.point[0] == item.datapoint[0] && + h.point[1] == item.datapoint[1])) + unhighlight(h.series, h.point); + } + + if (item) + highlight(item.series, item.datapoint, eventname); + } + + placeholder.trigger(eventname, [ pos, item ]); + } + + function triggerRedrawOverlay() { + var t = options.interaction.redrawOverlayInterval; + if (t == -1) { // skip event queue + drawOverlay(); + return; + } + + if (!redrawTimeout) + redrawTimeout = setTimeout(drawOverlay, t); + } + + function drawOverlay() { + redrawTimeout = null; + + // draw highlights + octx.save(); + overlay.clear(); + octx.translate(plotOffset.left, plotOffset.top); + + var i, hi; + for (i = 0; i < highlights.length; ++i) { + hi = highlights[i]; + + if (hi.series.bars.show) + drawBarHighlight(hi.series, hi.point); + else + drawPointHighlight(hi.series, hi.point); + } + octx.restore(); + + executeHooks(hooks.drawOverlay, [octx]); + } + + function highlight(s, point, auto) { + if (typeof s == "number") + s = series[s]; + + if (typeof point == "number") { + var ps = s.datapoints.pointsize; + point = s.datapoints.points.slice(ps * point, ps * (point + 1)); + } + + var i = indexOfHighlight(s, point); + if (i == -1) { + highlights.push({ series: s, point: point, auto: auto }); + + triggerRedrawOverlay(); + } + else if (!auto) + highlights[i].auto = false; + } + + function unhighlight(s, point) { + if (s == null && point == null) { + highlights = []; + triggerRedrawOverlay(); + return; + } + + if (typeof s == "number") + s = series[s]; + + if (typeof point == "number") { + var ps = s.datapoints.pointsize; + point = s.datapoints.points.slice(ps * point, ps * (point + 1)); + } + + var i = indexOfHighlight(s, point); + if (i != -1) { + highlights.splice(i, 1); + + triggerRedrawOverlay(); + } + } + + function indexOfHighlight(s, p) { + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.series == s && h.point[0] == p[0] + && h.point[1] == p[1]) + return i; + } + return -1; + } + + function drawPointHighlight(series, point) { + var x = point[0], y = point[1], + axisx = series.xaxis, axisy = series.yaxis, + highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString(); + + if (x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max) + return; + + var pointRadius = series.points.radius + series.points.lineWidth / 2; + octx.lineWidth = pointRadius; + octx.strokeStyle = highlightColor; + var radius = 1.5 * pointRadius; + x = axisx.p2c(x); + y = axisy.p2c(y); + + octx.beginPath(); + if (series.points.symbol == "circle") + octx.arc(x, y, radius, 0, 2 * Math.PI, false); + else + series.points.symbol(octx, x, y, radius, false); + octx.closePath(); + octx.stroke(); + } + + function drawBarHighlight(series, point) { + var highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString(), + fillStyle = highlightColor, + barLeft; + + switch (series.bars.align) { + case "left": + barLeft = 0; + break; + case "right": + barLeft = -series.bars.barWidth; + break; + default: + barLeft = -series.bars.barWidth / 2; + } + + octx.lineWidth = series.bars.lineWidth; + octx.strokeStyle = highlightColor; + + drawBar(point[0], point[1], point[2] || 0, barLeft, barLeft + series.bars.barWidth, + function () { return fillStyle; }, series.xaxis, series.yaxis, octx, series.bars.horizontal, series.bars.lineWidth); + } + + function getColorOrGradient(spec, bottom, top, defaultColor) { + if (typeof spec == "string") + return spec; + else { + // assume this is a gradient spec; IE currently only + // supports a simple vertical gradient properly, so that's + // what we support too + var gradient = ctx.createLinearGradient(0, top, 0, bottom); + + for (var i = 0, l = spec.colors.length; i < l; ++i) { + var c = spec.colors[i]; + if (typeof c != "string") { + var co = $.color.parse(defaultColor); + if (c.brightness != null) + co = co.scale('rgb', c.brightness); + if (c.opacity != null) + co.a *= c.opacity; + c = co.toString(); + } + gradient.addColorStop(i / (l - 1), c); + } + + return gradient; + } + } + } + + // Add the plot function to the top level of the jQuery object + + $.plot = function(placeholder, data, options) { + //var t0 = new Date(); + var plot = new Plot($(placeholder), data, options, $.plot.plugins); + //(window.console ? console.log : alert)("time used (msecs): " + ((new Date()).getTime() - t0.getTime())); + return plot; + }; + + $.plot.version = "0.8.3"; + + $.plot.plugins = []; + + // Also add the plot function as a chainable property + + $.fn.plot = function(data, options) { + return this.each(function() { + $.plot(this, data, options); + }); + }; + + // round to nearby lower multiple of base + function floorInBase(n, base) { + return base * Math.floor(n / base); + } + +})(jQuery); diff --git a/src/vendor/flot/jquery.flot.pie.js b/src/vendor/flot/jquery.flot.pie.js new file mode 100644 index 0000000..6553c8e --- /dev/null +++ b/src/vendor/flot/jquery.flot.pie.js @@ -0,0 +1,817 @@ +/* Flot plugin for rendering pie charts. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin assumes that each series has a single data value, and that each +value is a positive integer or zero. Negative numbers don't make sense for a +pie chart, and have unpredictable results. The values do NOT need to be +passed in as percentages; the plugin will calculate the total and per-slice +percentages internally. + +* Created by Brian Medendorp + +* Updated with contributions from btburnett3, Anthony Aragues and Xavi Ivars + +The plugin supports these options: + + series: { + pie: { + show: true/false + radius: 0-1 for percentage of fullsize, or a specified pixel length, or 'auto' + innerRadius: 0-1 for percentage of fullsize or a specified pixel length, for creating a donut effect + startAngle: 0-2 factor of PI used for starting angle (in radians) i.e 3/2 starts at the top, 0 and 2 have the same result + tilt: 0-1 for percentage to tilt the pie, where 1 is no tilt, and 0 is completely flat (nothing will show) + offset: { + top: integer value to move the pie up or down + left: integer value to move the pie left or right, or 'auto' + }, + stroke: { + color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#FFF') + width: integer pixel width of the stroke + }, + label: { + show: true/false, or 'auto' + formatter: a user-defined function that modifies the text/style of the label text + radius: 0-1 for percentage of fullsize, or a specified pixel length + background: { + color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#000') + opacity: 0-1 + }, + threshold: 0-1 for the percentage value at which to hide labels (if they're too small) + }, + combine: { + threshold: 0-1 for the percentage value at which to combine slices (if they're too small) + color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#CCC'), if null, the plugin will automatically use the color of the first slice to be combined + label: any text value of what the combined slice should be labeled + } + highlight: { + opacity: 0-1 + } + } + } + +More detail and specific examples can be found in the included HTML file. + +*/ + +(function($) { + + // Maximum redraw attempts when fitting labels within the plot + + var REDRAW_ATTEMPTS = 10; + + // Factor by which to shrink the pie when fitting labels within the plot + + var REDRAW_SHRINK = 0.95; + + function init(plot) { + + var canvas = null, + target = null, + maxRadius = null, + centerLeft = null, + centerTop = null, + processed = false, + ctx = null; + + // interactive variables + + var highlights = []; + + // add hook to determine if pie plugin in enabled, and then perform necessary operations + + plot.hooks.processOptions.push(function(plot, options) { + if (options.series.pie.show) { + + options.grid.show = false; + + // set labels.show + + if (options.series.pie.label.show == "auto") { + if (options.legend.show) { + options.series.pie.label.show = false; + } else { + options.series.pie.label.show = true; + } + } + + // set radius + + if (options.series.pie.radius == "auto") { + if (options.series.pie.label.show) { + options.series.pie.radius = 3/4; + } else { + options.series.pie.radius = 1; + } + } + + // ensure sane tilt + + if (options.series.pie.tilt > 1) { + options.series.pie.tilt = 1; + } else if (options.series.pie.tilt < 0) { + options.series.pie.tilt = 0; + } + } + }); + + plot.hooks.bindEvents.push(function(plot, eventHolder) { + var options = plot.getOptions(); + if (options.series.pie.show) { + if (options.grid.hoverable) { + eventHolder.unbind("mousemove").mousemove(onMouseMove); + } + if (options.grid.clickable) { + eventHolder.unbind("click").click(onClick); + } + } + }); + + plot.hooks.processDatapoints.push(function(plot, series, data, datapoints) { + var options = plot.getOptions(); + if (options.series.pie.show) { + processDatapoints(plot, series, data, datapoints); + } + }); + + plot.hooks.drawOverlay.push(function(plot, octx) { + var options = plot.getOptions(); + if (options.series.pie.show) { + drawOverlay(plot, octx); + } + }); + + plot.hooks.draw.push(function(plot, newCtx) { + var options = plot.getOptions(); + if (options.series.pie.show) { + draw(plot, newCtx); + } + }); + + function processDatapoints(plot, series, datapoints) { + if (!processed) { + processed = true; + canvas = plot.getCanvas(); + target = $(canvas).parent(); + options = plot.getOptions(); + plot.setData(combine(plot.getData())); + } + } + + function combine(data) { + + var total = 0, + combined = 0, + numCombined = 0, + color = options.series.pie.combine.color, + newdata = []; + + // Fix up the raw data from Flot, ensuring the data is numeric + + for (var i = 0; i < data.length; ++i) { + + var value = data[i].data; + + // If the data is an array, we'll assume that it's a standard + // Flot x-y pair, and are concerned only with the second value. + + // Note how we use the original array, rather than creating a + // new one; this is more efficient and preserves any extra data + // that the user may have stored in higher indexes. + + if ($.isArray(value) && value.length == 1) { + value = value[0]; + } + + if ($.isArray(value)) { + // Equivalent to $.isNumeric() but compatible with jQuery < 1.7 + if (!isNaN(parseFloat(value[1])) && isFinite(value[1])) { + value[1] = +value[1]; + } else { + value[1] = 0; + } + } else if (!isNaN(parseFloat(value)) && isFinite(value)) { + value = [1, +value]; + } else { + value = [1, 0]; + } + + data[i].data = [value]; + } + + // Sum up all the slices, so we can calculate percentages for each + + for (var i = 0; i < data.length; ++i) { + total += data[i].data[0][1]; + } + + // Count the number of slices with percentages below the combine + // threshold; if it turns out to be just one, we won't combine. + + for (var i = 0; i < data.length; ++i) { + var value = data[i].data[0][1]; + if (value / total <= options.series.pie.combine.threshold) { + combined += value; + numCombined++; + if (!color) { + color = data[i].color; + } + } + } + + for (var i = 0; i < data.length; ++i) { + var value = data[i].data[0][1]; + if (numCombined < 2 || value / total > options.series.pie.combine.threshold) { + newdata.push({ + data: [[1, value]], + color: data[i].color, + label: data[i].label, + angle: value * Math.PI * 2 / total, + percent: value / (total / 100) + }); + } + } + + if (numCombined > 1) { + newdata.push({ + data: [[1, combined]], + color: color, + label: options.series.pie.combine.label, + angle: combined * Math.PI * 2 / total, + percent: combined / (total / 100) + }); + } + + return newdata; + } + + function draw(plot, newCtx) { + + if (!target) { + return; // if no series were passed + } + + var canvasWidth = plot.getPlaceholder().width(), + canvasHeight = plot.getPlaceholder().height(), + legendWidth = target.children().filter(".legend").children().width() || 0; + + ctx = newCtx; + + // WARNING: HACK! REWRITE THIS CODE AS SOON AS POSSIBLE! + + // When combining smaller slices into an 'other' slice, we need to + // add a new series. Since Flot gives plugins no way to modify the + // list of series, the pie plugin uses a hack where the first call + // to processDatapoints results in a call to setData with the new + // list of series, then subsequent processDatapoints do nothing. + + // The plugin-global 'processed' flag is used to control this hack; + // it starts out false, and is set to true after the first call to + // processDatapoints. + + // Unfortunately this turns future setData calls into no-ops; they + // call processDatapoints, the flag is true, and nothing happens. + + // To fix this we'll set the flag back to false here in draw, when + // all series have been processed, so the next sequence of calls to + // processDatapoints once again starts out with a slice-combine. + // This is really a hack; in 0.9 we need to give plugins a proper + // way to modify series before any processing begins. + + processed = false; + + // calculate maximum radius and center point + + maxRadius = Math.min(canvasWidth, canvasHeight / options.series.pie.tilt) / 2; + centerTop = canvasHeight / 2 + options.series.pie.offset.top; + centerLeft = canvasWidth / 2; + + if (options.series.pie.offset.left == "auto") { + if (options.legend.position.match("w")) { + centerLeft += legendWidth / 2; + } else { + centerLeft -= legendWidth / 2; + } + } else { + centerLeft += options.series.pie.offset.left; + } + + if (centerLeft < maxRadius) { + centerLeft = maxRadius; + } else if (centerLeft > canvasWidth - maxRadius) { + centerLeft = canvasWidth - maxRadius; + } + + var slices = plot.getData(), + attempts = 0; + + // Keep shrinking the pie's radius until drawPie returns true, + // indicating that all the labels fit, or we try too many times. + + do { + if (attempts > 0) { + maxRadius *= REDRAW_SHRINK; + } + attempts += 1; + clear(); + if (options.series.pie.tilt <= 0.8) { + drawShadow(); + } + } while (!drawPie() && attempts < REDRAW_ATTEMPTS) + + if (attempts >= REDRAW_ATTEMPTS) { + clear(); + target.prepend("
Could not draw pie with labels contained inside canvas
"); + } + + if (plot.setSeries && plot.insertLegend) { + plot.setSeries(slices); + plot.insertLegend(); + } + + // we're actually done at this point, just defining internal functions at this point + + function clear() { + ctx.clearRect(0, 0, canvasWidth, canvasHeight); + target.children().filter(".pieLabel, .pieLabelBackground").remove(); + } + + function drawShadow() { + + var shadowLeft = options.series.pie.shadow.left; + var shadowTop = options.series.pie.shadow.top; + var edge = 10; + var alpha = options.series.pie.shadow.alpha; + var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; + + if (radius >= canvasWidth / 2 - shadowLeft || radius * options.series.pie.tilt >= canvasHeight / 2 - shadowTop || radius <= edge) { + return; // shadow would be outside canvas, so don't draw it + } + + ctx.save(); + ctx.translate(shadowLeft,shadowTop); + ctx.globalAlpha = alpha; + ctx.fillStyle = "#000"; + + // center and rotate to starting position + + ctx.translate(centerLeft,centerTop); + ctx.scale(1, options.series.pie.tilt); + + //radius -= edge; + + for (var i = 1; i <= edge; i++) { + ctx.beginPath(); + ctx.arc(0, 0, radius, 0, Math.PI * 2, false); + ctx.fill(); + radius -= i; + } + + ctx.restore(); + } + + function drawPie() { + + var startAngle = Math.PI * options.series.pie.startAngle; + var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; + + // center and rotate to starting position + + ctx.save(); + ctx.translate(centerLeft,centerTop); + ctx.scale(1, options.series.pie.tilt); + //ctx.rotate(startAngle); // start at top; -- This doesn't work properly in Opera + + // draw slices + + ctx.save(); + var currentAngle = startAngle; + for (var i = 0; i < slices.length; ++i) { + slices[i].startAngle = currentAngle; + drawSlice(slices[i].angle, slices[i].color, true); + } + ctx.restore(); + + // draw slice outlines + + if (options.series.pie.stroke.width > 0) { + ctx.save(); + ctx.lineWidth = options.series.pie.stroke.width; + currentAngle = startAngle; + for (var i = 0; i < slices.length; ++i) { + drawSlice(slices[i].angle, options.series.pie.stroke.color, false); + } + ctx.restore(); + } + + // draw donut hole + + drawDonutHole(ctx); + + ctx.restore(); + + // Draw the labels, returning true if they fit within the plot + + if (options.series.pie.label.show) { + return drawLabels(); + } else return true; + + function drawSlice(angle, color, fill) { + + if (angle <= 0 || isNaN(angle)) { + return; + } + + if (fill) { + ctx.fillStyle = color; + } else { + ctx.strokeStyle = color; + ctx.lineJoin = "round"; + } + + ctx.beginPath(); + if (Math.abs(angle - Math.PI * 2) > 0.000000001) { + ctx.moveTo(0, 0); // Center of the pie + } + + //ctx.arc(0, 0, radius, 0, angle, false); // This doesn't work properly in Opera + ctx.arc(0, 0, radius,currentAngle, currentAngle + angle / 2, false); + ctx.arc(0, 0, radius,currentAngle + angle / 2, currentAngle + angle, false); + ctx.closePath(); + //ctx.rotate(angle); // This doesn't work properly in Opera + currentAngle += angle; + + if (fill) { + ctx.fill(); + } else { + ctx.stroke(); + } + } + + function drawLabels() { + + var currentAngle = startAngle; + var radius = options.series.pie.label.radius > 1 ? options.series.pie.label.radius : maxRadius * options.series.pie.label.radius; + + for (var i = 0; i < slices.length; ++i) { + if (slices[i].percent >= options.series.pie.label.threshold * 100) { + if (!drawLabel(slices[i], currentAngle, i)) { + return false; + } + } + currentAngle += slices[i].angle; + } + + return true; + + function drawLabel(slice, startAngle, index) { + + if (slice.data[0][1] == 0) { + return true; + } + + // format label text + + var lf = options.legend.labelFormatter, text, plf = options.series.pie.label.formatter; + + if (lf) { + text = lf(slice.label, slice); + } else { + text = slice.label; + } + + if (plf) { + text = plf(text, slice); + } + + var halfAngle = ((startAngle + slice.angle) + startAngle) / 2; + var x = centerLeft + Math.round(Math.cos(halfAngle) * radius); + var y = centerTop + Math.round(Math.sin(halfAngle) * radius) * options.series.pie.tilt; + + var html = "" + text + ""; + target.append(html); + + var label = target.children("#pieLabel" + index); + var labelTop = (y - label.height() / 2); + var labelLeft = (x - label.width() / 2); + + label.css("top", labelTop); + label.css("left", labelLeft); + + // check to make sure that the label is not outside the canvas + + if (0 - labelTop > 0 || 0 - labelLeft > 0 || canvasHeight - (labelTop + label.height()) < 0 || canvasWidth - (labelLeft + label.width()) < 0) { + return false; + } + + if (options.series.pie.label.background.opacity != 0) { + + // put in the transparent background separately to avoid blended labels and label boxes + + var c = options.series.pie.label.background.color; + + if (c == null) { + c = slice.color; + } + + var pos = "top:" + labelTop + "px;left:" + labelLeft + "px;"; + $("
") + .css("opacity", options.series.pie.label.background.opacity) + .insertBefore(label); + } + + return true; + } // end individual label function + } // end drawLabels function + } // end drawPie function + } // end draw function + + // Placed here because it needs to be accessed from multiple locations + + function drawDonutHole(layer) { + if (options.series.pie.innerRadius > 0) { + + // subtract the center + + layer.save(); + var innerRadius = options.series.pie.innerRadius > 1 ? options.series.pie.innerRadius : maxRadius * options.series.pie.innerRadius; + layer.globalCompositeOperation = "destination-out"; // this does not work with excanvas, but it will fall back to using the stroke color + layer.beginPath(); + layer.fillStyle = options.series.pie.stroke.color; + layer.arc(0, 0, innerRadius, 0, Math.PI * 2, false); + layer.fill(); + layer.closePath(); + layer.restore(); + + // add inner stroke + + layer.save(); + layer.beginPath(); + layer.strokeStyle = options.series.pie.stroke.color; + layer.arc(0, 0, innerRadius, 0, Math.PI * 2, false); + layer.stroke(); + layer.closePath(); + layer.restore(); + + // TODO: add extra shadow inside hole (with a mask) if the pie is tilted. + } + } + + //-- Additional Interactive related functions -- + + function isPointInPoly(poly, pt) { + for(var c = false, i = -1, l = poly.length, j = l - 1; ++i < l; j = i) + ((poly[i][1] <= pt[1] && pt[1] < poly[j][1]) || (poly[j][1] <= pt[1] && pt[1]< poly[i][1])) + && (pt[0] < (poly[j][0] - poly[i][0]) * (pt[1] - poly[i][1]) / (poly[j][1] - poly[i][1]) + poly[i][0]) + && (c = !c); + return c; + } + + function findNearbySlice(mouseX, mouseY) { + + var slices = plot.getData(), + options = plot.getOptions(), + radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius, + x, y; + + for (var i = 0; i < slices.length; ++i) { + + var s = slices[i]; + + if (s.pie.show) { + + ctx.save(); + ctx.beginPath(); + ctx.moveTo(0, 0); // Center of the pie + //ctx.scale(1, options.series.pie.tilt); // this actually seems to break everything when here. + ctx.arc(0, 0, radius, s.startAngle, s.startAngle + s.angle / 2, false); + ctx.arc(0, 0, radius, s.startAngle + s.angle / 2, s.startAngle + s.angle, false); + ctx.closePath(); + x = mouseX - centerLeft; + y = mouseY - centerTop; + + if (ctx.isPointInPath) { + if (ctx.isPointInPath(mouseX - centerLeft, mouseY - centerTop)) { + ctx.restore(); + return { + datapoint: [s.percent, s.data], + dataIndex: 0, + series: s, + seriesIndex: i + }; + } + } else { + + // excanvas for IE doesn;t support isPointInPath, this is a workaround. + + var p1X = radius * Math.cos(s.startAngle), + p1Y = radius * Math.sin(s.startAngle), + p2X = radius * Math.cos(s.startAngle + s.angle / 4), + p2Y = radius * Math.sin(s.startAngle + s.angle / 4), + p3X = radius * Math.cos(s.startAngle + s.angle / 2), + p3Y = radius * Math.sin(s.startAngle + s.angle / 2), + p4X = radius * Math.cos(s.startAngle + s.angle / 1.5), + p4Y = radius * Math.sin(s.startAngle + s.angle / 1.5), + p5X = radius * Math.cos(s.startAngle + s.angle), + p5Y = radius * Math.sin(s.startAngle + s.angle), + arrPoly = [[0, 0], [p1X, p1Y], [p2X, p2Y], [p3X, p3Y], [p4X, p4Y], [p5X, p5Y]], + arrPoint = [x, y]; + + // TODO: perhaps do some mathmatical trickery here with the Y-coordinate to compensate for pie tilt? + + if (isPointInPoly(arrPoly, arrPoint)) { + ctx.restore(); + return { + datapoint: [s.percent, s.data], + dataIndex: 0, + series: s, + seriesIndex: i + }; + } + } + + ctx.restore(); + } + } + + return null; + } + + function onMouseMove(e) { + triggerClickHoverEvent("plothover", e); + } + + function onClick(e) { + triggerClickHoverEvent("plotclick", e); + } + + // trigger click or hover event (they send the same parameters so we share their code) + + function triggerClickHoverEvent(eventname, e) { + + var offset = plot.offset(); + var canvasX = parseInt(e.pageX - offset.left); + var canvasY = parseInt(e.pageY - offset.top); + var item = findNearbySlice(canvasX, canvasY); + + if (options.grid.autoHighlight) { + + // clear auto-highlights + + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.auto == eventname && !(item && h.series == item.series)) { + unhighlight(h.series); + } + } + } + + // highlight the slice + + if (item) { + highlight(item.series, eventname); + } + + // trigger any hover bind events + + var pos = { pageX: e.pageX, pageY: e.pageY }; + target.trigger(eventname, [pos, item]); + } + + function highlight(s, auto) { + //if (typeof s == "number") { + // s = series[s]; + //} + + var i = indexOfHighlight(s); + + if (i == -1) { + highlights.push({ series: s, auto: auto }); + plot.triggerRedrawOverlay(); + } else if (!auto) { + highlights[i].auto = false; + } + } + + function unhighlight(s) { + if (s == null) { + highlights = []; + plot.triggerRedrawOverlay(); + } + + //if (typeof s == "number") { + // s = series[s]; + //} + + var i = indexOfHighlight(s); + + if (i != -1) { + highlights.splice(i, 1); + plot.triggerRedrawOverlay(); + } + } + + function indexOfHighlight(s) { + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.series == s) + return i; + } + return -1; + } + + function drawOverlay(plot, octx) { + + var options = plot.getOptions(); + + var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; + + octx.save(); + octx.translate(centerLeft, centerTop); + octx.scale(1, options.series.pie.tilt); + + for (var i = 0; i < highlights.length; ++i) { + drawHighlight(highlights[i].series); + } + + drawDonutHole(octx); + + octx.restore(); + + function drawHighlight(series) { + + if (series.angle <= 0 || isNaN(series.angle)) { + return; + } + + //octx.fillStyle = parseColor(options.series.pie.highlight.color).scale(null, null, null, options.series.pie.highlight.opacity).toString(); + octx.fillStyle = "rgba(255, 255, 255, " + options.series.pie.highlight.opacity + ")"; // this is temporary until we have access to parseColor + octx.beginPath(); + if (Math.abs(series.angle - Math.PI * 2) > 0.000000001) { + octx.moveTo(0, 0); // Center of the pie + } + octx.arc(0, 0, radius, series.startAngle, series.startAngle + series.angle / 2, false); + octx.arc(0, 0, radius, series.startAngle + series.angle / 2, series.startAngle + series.angle, false); + octx.closePath(); + octx.fill(); + } + } + } // end init (plugin body) + + // define pie specific options and their default values + + var options = { + series: { + pie: { + show: false, + radius: "auto", // actual radius of the visible pie (based on full calculated radius if <=1, or hard pixel value) + innerRadius: 0, /* for donut */ + startAngle: 3/2, + tilt: 1, + shadow: { + left: 5, // shadow left offset + top: 15, // shadow top offset + alpha: 0.02 // shadow alpha + }, + offset: { + top: 0, + left: "auto" + }, + stroke: { + color: "#fff", + width: 1 + }, + label: { + show: "auto", + formatter: function(label, slice) { + return "
" + label + "
" + Math.round(slice.percent) + "%
"; + }, // formatter function + radius: 1, // radius at which to place the labels (based on full calculated radius if <=1, or hard pixel value) + background: { + color: null, + opacity: 0 + }, + threshold: 0 // percentage at which to hide the label (i.e. the slice is too narrow) + }, + combine: { + threshold: -1, // percentage at which to combine little slices into one larger slice + color: null, // color to give the new slice (auto-generated if null) + label: "Other" // label to give the new slice + }, + highlight: { + //color: "#fff", // will add this functionality once parseColor is available + opacity: 0.5 + } + } + } + }; + + $.plot.plugins.push({ + init: init, + options: options, + name: "pie", + version: "1.1" + }); + +})(jQuery); diff --git a/src/vendor/flot/jquery.flot.selection.js b/src/vendor/flot/jquery.flot.selection.js new file mode 100644 index 0000000..5ee80ea --- /dev/null +++ b/src/vendor/flot/jquery.flot.selection.js @@ -0,0 +1,380 @@ +/* Flot plugin for selecting regions of a plot. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin supports these options: + +selection: { + mode: null or "x" or "y" or "xy", + color: color, + shape: "round" or "miter" or "bevel", + minSize: number of pixels +} + +Selection support is enabled by setting the mode to one of "x", "y" or "xy". +In "x" mode, the user will only be able to specify the x range, similarly for +"y" mode. For "xy", the selection becomes a rectangle where both ranges can be +specified. "color" is color of the selection (if you need to change the color +later on, you can get to it with plot.getOptions().selection.color). "shape" +is the shape of the corners of the selection. + +"minSize" is the minimum size a selection can be in pixels. This value can +be customized to determine the smallest size a selection can be and still +have the selection rectangle be displayed. When customizing this value, the +fact that it refers to pixels, not axis units must be taken into account. +Thus, for example, if there is a bar graph in time mode with BarWidth set to 1 +minute, setting "minSize" to 1 will not make the minimum selection size 1 +minute, but rather 1 pixel. Note also that setting "minSize" to 0 will prevent +"plotunselected" events from being fired when the user clicks the mouse without +dragging. + +When selection support is enabled, a "plotselected" event will be emitted on +the DOM element you passed into the plot function. The event handler gets a +parameter with the ranges selected on the axes, like this: + + placeholder.bind( "plotselected", function( event, ranges ) { + alert("You selected " + ranges.xaxis.from + " to " + ranges.xaxis.to) + // similar for yaxis - with multiple axes, the extra ones are in + // x2axis, x3axis, ... + }); + +The "plotselected" event is only fired when the user has finished making the +selection. A "plotselecting" event is fired during the process with the same +parameters as the "plotselected" event, in case you want to know what's +happening while it's happening, + +A "plotunselected" event with no arguments is emitted when the user clicks the +mouse to remove the selection. As stated above, setting "minSize" to 0 will +destroy this behavior. + +The plugin allso adds the following methods to the plot object: + +- setSelection( ranges, preventEvent ) + + Set the selection rectangle. The passed in ranges is on the same form as + returned in the "plotselected" event. If the selection mode is "x", you + should put in either an xaxis range, if the mode is "y" you need to put in + an yaxis range and both xaxis and yaxis if the selection mode is "xy", like + this: + + setSelection({ xaxis: { from: 0, to: 10 }, yaxis: { from: 40, to: 60 } }); + + setSelection will trigger the "plotselected" event when called. If you don't + want that to happen, e.g. if you're inside a "plotselected" handler, pass + true as the second parameter. If you are using multiple axes, you can + specify the ranges on any of those, e.g. as x2axis/x3axis/... instead of + xaxis, the plugin picks the first one it sees. + +- clearSelection( preventEvent ) + + Clear the selection rectangle. Pass in true to avoid getting a + "plotunselected" event. + +- getSelection() + + Returns the current selection in the same format as the "plotselected" + event. If there's currently no selection, the function returns null. + +*/ + +(function ($) { + function init(plot) { + var selection = { + first: { x: -1, y: -1}, second: { x: -1, y: -1}, + show: false, + active: false + }; + + // FIXME: The drag handling implemented here should be + // abstracted out, there's some similar code from a library in + // the navigation plugin, this should be massaged a bit to fit + // the Flot cases here better and reused. Doing this would + // make this plugin much slimmer. + var savedhandlers = {}; + + var mouseUpHandler = null; + + function onMouseMove(e) { + if (selection.active) { + updateSelection(e); + + plot.getPlaceholder().trigger("plotselecting", [ getSelection() ]); + } + } + + function onMouseDown(e) { + if (e.which != 1) // only accept left-click + return; + + // cancel out any text selections + document.body.focus(); + + // prevent text selection and drag in old-school browsers + if (document.onselectstart !== undefined && savedhandlers.onselectstart == null) { + savedhandlers.onselectstart = document.onselectstart; + document.onselectstart = function () { return false; }; + } + if (document.ondrag !== undefined && savedhandlers.ondrag == null) { + savedhandlers.ondrag = document.ondrag; + document.ondrag = function () { return false; }; + } + + setSelectionPos(selection.first, e); + + selection.active = true; + + // this is a bit silly, but we have to use a closure to be + // able to whack the same handler again + mouseUpHandler = function (e) { onMouseUp(e); }; + + $(document).one("mouseup", mouseUpHandler); + } + + function onMouseUp(e) { + mouseUpHandler = null; + + // revert drag stuff for old-school browsers + if (document.onselectstart !== undefined) + document.onselectstart = savedhandlers.onselectstart; + if (document.ondrag !== undefined) + document.ondrag = savedhandlers.ondrag; + + // no more dragging + selection.active = false; + updateSelection(e); + + if (selectionIsSane()) + triggerSelectedEvent(e); + else { + // this counts as a clear + plot.getPlaceholder().trigger("plotunselected", [ ]); + plot.getPlaceholder().trigger("plotselecting", [ null ]); + } + + setTimeout(function() { + plot.isSelecting = false; + }, 10); + + return false; + } + + function getSelection() { + if (!selectionIsSane()) + return null; + + if (!selection.show) return null; + + var r = {}, c1 = selection.first, c2 = selection.second; + var axes = plot.getAxes(); + // look if no axis is used + var noAxisInUse = true; + $.each(axes, function (name, axis) { + if (axis.used) { + anyUsed = false; + } + }) + + $.each(axes, function (name, axis) { + if (axis.used || noAxisInUse) { + var p1 = axis.c2p(c1[axis.direction]), p2 = axis.c2p(c2[axis.direction]); + r[name] = { from: Math.min(p1, p2), to: Math.max(p1, p2) }; + } + }); + return r; + } + + function triggerSelectedEvent(event) { + var r = getSelection(); + + // Add ctrlKey and metaKey to event + r.ctrlKey = event.ctrlKey; + r.metaKey = event.metaKey; + + plot.getPlaceholder().trigger("plotselected", [ r ]); + + // backwards-compat stuff, to be removed in future + if (r.xaxis && r.yaxis) + plot.getPlaceholder().trigger("selected", [ { x1: r.xaxis.from, y1: r.yaxis.from, x2: r.xaxis.to, y2: r.yaxis.to } ]); + } + + function clamp(min, value, max) { + return value < min ? min: (value > max ? max: value); + } + + function setSelectionPos(pos, e) { + var o = plot.getOptions(); + var offset = plot.getPlaceholder().offset(); + var plotOffset = plot.getPlotOffset(); + pos.x = clamp(0, e.pageX - offset.left - plotOffset.left, plot.width()); + pos.y = clamp(0, e.pageY - offset.top - plotOffset.top, plot.height()); + + if (o.selection.mode == "y") + pos.x = pos == selection.first ? 0 : plot.width(); + + if (o.selection.mode == "x") + pos.y = pos == selection.first ? 0 : plot.height(); + } + + function updateSelection(pos) { + if (pos.pageX == null) + return; + + setSelectionPos(selection.second, pos); + if (selectionIsSane()) { + plot.isSelecting = true; + selection.show = true; + plot.triggerRedrawOverlay(); + } + else + clearSelection(true); + } + + function clearSelection(preventEvent) { + if (selection.show) { + selection.show = false; + plot.triggerRedrawOverlay(); + if (!preventEvent) + plot.getPlaceholder().trigger("plotunselected", [ ]); + } + } + + // function taken from markings support in Flot + function extractRange(ranges, coord) { + var axis, from, to, key, axes = plot.getAxes(); + + for (var k in axes) { + axis = axes[k]; + if (axis.direction == coord) { + key = coord + axis.n + "axis"; + if (!ranges[key] && axis.n == 1) + key = coord + "axis"; // support x1axis as xaxis + if (ranges[key]) { + from = ranges[key].from; + to = ranges[key].to; + break; + } + } + } + + // backwards-compat stuff - to be removed in future + if (!ranges[key]) { + axis = coord == "x" ? plot.getXAxes()[0] : plot.getYAxes()[0]; + from = ranges[coord + "1"]; + to = ranges[coord + "2"]; + } + + // auto-reverse as an added bonus + if (from != null && to != null && from > to) { + var tmp = from; + from = to; + to = tmp; + } + + return { from: from, to: to, axis: axis }; + } + + function setSelection(ranges, preventEvent) { + var axis, range, o = plot.getOptions(); + + if (o.selection.mode == "y") { + selection.first.x = 0; + selection.second.x = plot.width(); + } + else { + range = extractRange(ranges, "x"); + + selection.first.x = range.axis.p2c(range.from); + selection.second.x = range.axis.p2c(range.to); + } + + if (o.selection.mode == "x") { + selection.first.y = 0; + selection.second.y = plot.height(); + } + else { + range = extractRange(ranges, "y"); + + selection.first.y = range.axis.p2c(range.from); + selection.second.y = range.axis.p2c(range.to); + } + + selection.show = true; + plot.triggerRedrawOverlay(); + if (!preventEvent && selectionIsSane()) + triggerSelectedEvent(); + } + + function selectionIsSane() { + var minSize = plot.getOptions().selection.minSize; + return Math.abs(selection.second.x - selection.first.x) >= minSize && + Math.abs(selection.second.y - selection.first.y) >= minSize; + } + + plot.clearSelection = clearSelection; + plot.setSelection = setSelection; + plot.getSelection = getSelection; + + plot.hooks.bindEvents.push(function(plot, eventHolder) { + var o = plot.getOptions(); + if (o.selection.mode != null) { + eventHolder.mousemove(onMouseMove); + eventHolder.mousedown(onMouseDown); + } + }); + + + plot.hooks.drawOverlay.push(function (plot, ctx) { + // draw selection + if (selection.show && selectionIsSane()) { + var plotOffset = plot.getPlotOffset(); + var o = plot.getOptions(); + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + var c = $.color.parse(o.selection.color); + + ctx.strokeStyle = c.scale('a', o.selection.strokeAlpha).toString(); + ctx.lineWidth = 1; + ctx.lineJoin = o.selection.shape; + ctx.fillStyle = c.scale('a', o.selection.fillAlpha).toString(); + + var x = Math.min(selection.first.x, selection.second.x) + 0.5, + y = Math.min(selection.first.y, selection.second.y) + 0.5, + w = Math.abs(selection.second.x - selection.first.x) - 1, + h = Math.abs(selection.second.y - selection.first.y) - 1; + + ctx.fillRect(x, y, w, h); + ctx.strokeRect(x, y, w, h); + + ctx.restore(); + } + }); + + plot.hooks.shutdown.push(function (plot, eventHolder) { + eventHolder.unbind("mousemove", onMouseMove); + eventHolder.unbind("mousedown", onMouseDown); + + if (mouseUpHandler) + $(document).unbind("mouseup", mouseUpHandler); + }); + + } + + $.plot.plugins.push({ + init: init, + options: { + selection: { + mode: null, // one of null, "x", "y" or "xy" + color: "#e8cfac", + shape: "round", // one of "round", "miter", or "bevel" + minSize: 5, // minimum number of pixels + strokeAlpha: 0.8, + fillAlpha: 0.4, + } + }, + name: 'selection', + version: '1.1' + }); +})(jQuery); diff --git a/src/vendor/flot/jquery.flot.stack.js b/src/vendor/flot/jquery.flot.stack.js new file mode 100644 index 0000000..267d4e5 --- /dev/null +++ b/src/vendor/flot/jquery.flot.stack.js @@ -0,0 +1,190 @@ +/* Flot plugin for stacking data sets rather than overlyaing them. + +Copyright (c) 2007-2014 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin assumes the data is sorted on x (or y if stacking horizontally). +For line charts, it is assumed that if a line has an undefined gap (from a +null point), then the line above it should have the same gap - insert zeros +instead of "null" if you want another behaviour. This also holds for the start +and end of the chart. Note that stacking a mix of positive and negative values +in most instances doesn't make sense (so it looks weird). + +Two or more series are stacked when their "stack" attribute is set to the same +key (which can be any number or string or just "true"). To specify the default +stack, you can set the stack option like this: + + series: { + stack: null/false, true, or a key (number/string) + } + +You can also specify it for a single series, like this: + + $.plot( $("#placeholder"), [{ + data: [ ... ], + stack: true + }]) + +The stacking order is determined by the order of the data series in the array +(later series end up on top of the previous). + +Internally, the plugin modifies the datapoints in each series, adding an +offset to the y value. For line series, extra data points are inserted through +interpolation. If there's a second y value, it's also adjusted (e.g for bar +charts or filled areas). + +*/ + +(function ($) { + var options = { + series: { stack: null } // or number/string + }; + + function init(plot) { + function findMatchingSeries(s, allseries) { + var res = null; + for (var i = 0; i < allseries.length; ++i) { + if (s == allseries[i]) + break; + + if (allseries[i].stack == s.stack) + res = allseries[i]; + } + + return res; + } + + function stackData(plot, s, datapoints) { + if (s.stack == null || s.stack === false) + return; + + var other = findMatchingSeries(s, plot.getData()); + if (!other) + return; + + var ps = datapoints.pointsize, + points = datapoints.points, + otherps = other.datapoints.pointsize, + otherpoints = other.datapoints.points, + newpoints = [], + px, py, intery, qx, qy, bottom, + withlines = s.lines.show, + horizontal = s.bars.horizontal, + withbottom = ps > 2 && (horizontal ? datapoints.format[2].x : datapoints.format[2].y), + withsteps = withlines && s.lines.steps, + keyOffset = horizontal ? 1 : 0, + accumulateOffset = horizontal ? 0 : 1, + i = 0, j = 0, l, m; + + while (true) { + if (i >= points.length && j >= otherpoints.length) + break; + + l = newpoints.length; + + if (i < points.length && points[i] == null) { + // copy gaps + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + i += ps; + } + else if (i >= points.length) { + // take the remaining points from the previous series + for (m = 0; m < ps; ++m) + newpoints.push(otherpoints[j + m]); + if (withbottom) + newpoints[l + 2] = otherpoints[j + accumulateOffset]; + j += otherps; + } + else if (j >= otherpoints.length) { + // take the remaining points from the current series + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + i += ps; + } + else if (j < otherpoints.length && otherpoints[j] == null) { + // ignore point + j += otherps; + } + else { + // cases where we actually got two points + px = points[i + keyOffset]; + py = points[i + accumulateOffset]; + qx = otherpoints[j + keyOffset]; + qy = otherpoints[j + accumulateOffset]; + bottom = 0; + + if (px == qx) { + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + + newpoints[l + accumulateOffset] += qy; + bottom = qy; + + i += ps; + j += otherps; + } + else if (px > qx) { + // take the point from the previous series so that next series will correctly stack + if (i == 0) { + for (m = 0; m < ps; ++m) + newpoints.push(otherpoints[j + m]); + bottom = qy; + } + // we got past point below, might need to + // insert interpolated extra point + if (i > 0 && points[i - ps] != null) { + intery = py + (points[i - ps + accumulateOffset] - py) * (qx - px) / (points[i - ps + keyOffset] - px); + newpoints.push(qx); + newpoints.push(intery + qy); + for (m = 2; m < ps; ++m) + newpoints.push(points[i + m]); + bottom = qy; + } + + j += otherps; + } + else { // px < qx + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + + // we might be able to interpolate a point below, + // this can give us a better y + if (j > 0 && otherpoints[j - otherps] != null) + bottom = qy + (otherpoints[j - otherps + accumulateOffset] - qy) * (px - qx) / (otherpoints[j - otherps + keyOffset] - qx); + + newpoints[l + accumulateOffset] += bottom; + + i += ps; + } + + fromgap = false; + + if (l != newpoints.length && withbottom) + newpoints[l + 2] = bottom; + } + + // maintain the line steps invariant + if (withsteps && l != newpoints.length && l > 0 + && newpoints[l] != null + && newpoints[l] != newpoints[l - ps] + && newpoints[l + 1] != newpoints[l - ps + 1]) { + for (m = 0; m < ps; ++m) + newpoints[l + ps + m] = newpoints[l + m]; + newpoints[l + 1] = newpoints[l - ps + 1]; + } + } + + datapoints.points = newpoints; + } + + plot.hooks.processDatapoints.push(stackData); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'stack', + version: '1.2' + }); +})(jQuery); diff --git a/src/vendor/flot/jquery.flot.stackpercent.js b/src/vendor/flot/jquery.flot.stackpercent.js new file mode 100644 index 0000000..3280eef --- /dev/null +++ b/src/vendor/flot/jquery.flot.stackpercent.js @@ -0,0 +1,126 @@ +(function ($) { + var options = { + series: { + stackpercent: null + } // or number/string + }; + + function init(plot) { + + // will be built up dynamically as a hash from x-value, or y-value if horizontal + var stackBases = {}; + var processed = false; + var stackSums = {}; + + //set percentage for stacked chart + function processRawData(plot, series, data, datapoints) { + if (!processed) { + processed = true; + stackSums = getStackSums(plot.getData()); + } + if (series.stackpercent == true) { + var num = data.length; + series.percents = []; + var key_idx = 0; + var value_idx = 1; + if (series.bars && series.bars.horizontal && series.bars.horizontal === true) { + key_idx = 1; + value_idx = 0; + } + for (var j = 0; j < num; j++) { + var sum = stackSums[data[j][key_idx] + ""]; + if (sum > 0) { + series.percents.push(data[j][value_idx] * 100 / sum); + } else { + series.percents.push(0); + } + } + } + } + + //calculate summary + function getStackSums(_data) { + var data_len = _data.length; + var sums = {}; + if (data_len > 0) { + //caculate summary + for (var i = 0; i < data_len; i++) { + if (_data[i].stackpercent) { + var key_idx = 0; + var value_idx = 1; + if (_data[i].bars && _data[i].bars.horizontal && _data[i].bars.horizontal === true) { + key_idx = 1; + value_idx = 0; + } + var num = _data[i].data.length; + for (var j = 0; j < num; j++) { + var value = 0; + if (_data[i].data[j][1] != null) { + value = _data[i].data[j][value_idx]; + } + if (sums[_data[i].data[j][key_idx] + ""]) { + sums[_data[i].data[j][key_idx] + ""] += value; + } else { + sums[_data[i].data[j][key_idx] + ""] = value; + } + + } + } + } + } + return sums; + } + + function stackData(plot, s, datapoints) { + if (!s.stackpercent) return; + if (!processed) { + stackSums = getStackSums(plot.getData()); + } + var newPoints = []; + + + var key_idx = 0; + var value_idx = 1; + if (s.bars && s.bars.horizontal && s.bars.horizontal === true) { + key_idx = 1; + value_idx = 0; + } + + for (var i = 0; i < datapoints.points.length; i += 3) { + // note that the values need to be turned into absolute y-values. + // in other words, if you were to stack (x, y1), (x, y2), and (x, y3), + // (each from different series, which is where stackBases comes in), + // you'd want the new points to be (x, y1, 0), (x, y1+y2, y1), (x, y1+y2+y3, y1+y2) + // generally, (x, thisValue + (base up to this point), + (base up to this point)) + if (!stackBases[datapoints.points[i + key_idx]]) { + stackBases[datapoints.points[i + key_idx]] = 0; + } + newPoints[i + key_idx] = datapoints.points[i + key_idx]; + newPoints[i + value_idx] = datapoints.points[i + value_idx] + stackBases[datapoints.points[i + key_idx]]; + newPoints[i + 2] = stackBases[datapoints.points[i + key_idx]]; + stackBases[datapoints.points[i + key_idx]] += datapoints.points[i + value_idx]; + // change points to percentage values + // you may need to set yaxis:{ max = 100 } + if ( stackSums[newPoints[i+key_idx]+""] > 0 ){ + newPoints[i + value_idx] = newPoints[i + value_idx] * 100 / stackSums[newPoints[i + key_idx] + ""]; + newPoints[i + 2] = newPoints[i + 2] * 100 / stackSums[newPoints[i + key_idx] + ""]; + } else { + newPoints[i + value_idx] = 0; + newPoints[i + 2] = 0; + } + } + + datapoints.points = newPoints; + } + + plot.hooks.processRawData.push(processRawData); + plot.hooks.processDatapoints.push(stackData); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'stackpercent', + version: '0.1' + }); +})(jQuery); diff --git a/src/vendor/flot/jquery.flot.time.js b/src/vendor/flot/jquery.flot.time.js new file mode 100644 index 0000000..8e510f1 --- /dev/null +++ b/src/vendor/flot/jquery.flot.time.js @@ -0,0 +1,431 @@ +/* Pretty handling of time axes. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +Set axis.mode to "time" to enable. See the section "Time series data" in +API.txt for details. + +*/ + +(function($) { + + var options = { + xaxis: { + timezone: null, // "browser" for local to the client or timezone for timezone-js + timeformat: null, // format string to use + twelveHourClock: false, // 12 or 24 time in time mode + monthNames: null // list of names of months + } + }; + + // round to nearby lower multiple of base + + function floorInBase(n, base) { + return base * Math.floor(n / base); + } + + // Returns a string with the date d formatted according to fmt. + // A subset of the Open Group's strftime format is supported. + + function formatDate(d, fmt, monthNames, dayNames) { + + if (typeof d.strftime == "function") { + return d.strftime(fmt); + } + + var leftPad = function(n, pad) { + n = "" + n; + pad = "" + (pad == null ? "0" : pad); + return n.length == 1 ? pad + n : n; + }; + + var r = []; + var escape = false; + var hours = d.getHours(); + var isAM = hours < 12; + + if (monthNames == null) { + monthNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; + } + + if (dayNames == null) { + dayNames = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"]; + } + + var hours12; + + if (hours > 12) { + hours12 = hours - 12; + } else if (hours == 0) { + hours12 = 12; + } else { + hours12 = hours; + } + + for (var i = 0; i < fmt.length; ++i) { + + var c = fmt.charAt(i); + + if (escape) { + switch (c) { + case 'a': c = "" + dayNames[d.getDay()]; break; + case 'b': c = "" + monthNames[d.getMonth()]; break; + case 'd': c = leftPad(d.getDate(), ""); break; + case 'e': c = leftPad(d.getDate(), " "); break; + case 'h': // For back-compat with 0.7; remove in 1.0 + case 'H': c = leftPad(hours); break; + case 'I': c = leftPad(hours12); break; + case 'l': c = leftPad(hours12, " "); break; + case 'm': c = leftPad(d.getMonth() + 1, ""); break; + case 'M': c = leftPad(d.getMinutes()); break; + // quarters not in Open Group's strftime specification + case 'q': + c = "" + (Math.floor(d.getMonth() / 3) + 1); break; + case 'S': c = leftPad(d.getSeconds()); break; + case 'y': c = leftPad(d.getFullYear() % 100); break; + case 'Y': c = "" + d.getFullYear(); break; + case 'p': c = (isAM) ? ("" + "am") : ("" + "pm"); break; + case 'P': c = (isAM) ? ("" + "AM") : ("" + "PM"); break; + case 'w': c = "" + d.getDay(); break; + } + r.push(c); + escape = false; + } else { + if (c == "%") { + escape = true; + } else { + r.push(c); + } + } + } + + return r.join(""); + } + + // To have a consistent view of time-based data independent of which time + // zone the client happens to be in we need a date-like object independent + // of time zones. This is done through a wrapper that only calls the UTC + // versions of the accessor methods. + + function makeUtcWrapper(d) { + + function addProxyMethod(sourceObj, sourceMethod, targetObj, targetMethod) { + sourceObj[sourceMethod] = function() { + return targetObj[targetMethod].apply(targetObj, arguments); + }; + }; + + var utc = { + date: d + }; + + // support strftime, if found + + if (d.strftime != undefined) { + addProxyMethod(utc, "strftime", d, "strftime"); + } + + addProxyMethod(utc, "getTime", d, "getTime"); + addProxyMethod(utc, "setTime", d, "setTime"); + + var props = ["Date", "Day", "FullYear", "Hours", "Milliseconds", "Minutes", "Month", "Seconds"]; + + for (var p = 0; p < props.length; p++) { + addProxyMethod(utc, "get" + props[p], d, "getUTC" + props[p]); + addProxyMethod(utc, "set" + props[p], d, "setUTC" + props[p]); + } + + return utc; + }; + + // select time zone strategy. This returns a date-like object tied to the + // desired timezone + + function dateGenerator(ts, opts) { + if (opts.timezone == "browser") { + return new Date(ts); + } else if (!opts.timezone || opts.timezone == "utc") { + return makeUtcWrapper(new Date(ts)); + } else if (typeof timezoneJS != "undefined" && typeof timezoneJS.Date != "undefined") { + var d = new timezoneJS.Date(); + // timezone-js is fickle, so be sure to set the time zone before + // setting the time. + d.setTimezone(opts.timezone); + d.setTime(ts); + return d; + } else { + return makeUtcWrapper(new Date(ts)); + } + } + + // map of app. size of time units in milliseconds + + var timeUnitSize = { + "second": 1000, + "minute": 60 * 1000, + "hour": 60 * 60 * 1000, + "day": 24 * 60 * 60 * 1000, + "month": 30 * 24 * 60 * 60 * 1000, + "quarter": 3 * 30 * 24 * 60 * 60 * 1000, + "year": 365.2425 * 24 * 60 * 60 * 1000 + }; + + // the allowed tick sizes, after 1 year we use + // an integer algorithm + + var baseSpec = [ + [1, "second"], [2, "second"], [5, "second"], [10, "second"], + [30, "second"], + [1, "minute"], [2, "minute"], [5, "minute"], [10, "minute"], + [30, "minute"], + [1, "hour"], [2, "hour"], [4, "hour"], + [8, "hour"], [12, "hour"], + [1, "day"], [2, "day"], [3, "day"], + [0.25, "month"], [0.5, "month"], [1, "month"], + [2, "month"] + ]; + + // we don't know which variant(s) we'll need yet, but generating both is + // cheap + + var specMonths = baseSpec.concat([[3, "month"], [6, "month"], + [1, "year"]]); + var specQuarters = baseSpec.concat([[1, "quarter"], [2, "quarter"], + [1, "year"]]); + + function init(plot) { + plot.hooks.processOptions.push(function (plot, options) { + $.each(plot.getAxes(), function(axisName, axis) { + + var opts = axis.options; + + if (opts.mode == "time") { + axis.tickGenerator = function(axis) { + + var ticks = []; + var d = dateGenerator(axis.min, opts); + var minSize = 0; + + // make quarter use a possibility if quarters are + // mentioned in either of these options + + var spec = (opts.tickSize && opts.tickSize[1] === + "quarter") || + (opts.minTickSize && opts.minTickSize[1] === + "quarter") ? specQuarters : specMonths; + + if (opts.minTickSize != null) { + if (typeof opts.tickSize == "number") { + minSize = opts.tickSize; + } else { + minSize = opts.minTickSize[0] * timeUnitSize[opts.minTickSize[1]]; + } + } + + for (var i = 0; i < spec.length - 1; ++i) { + if (axis.delta < (spec[i][0] * timeUnitSize[spec[i][1]] + + spec[i + 1][0] * timeUnitSize[spec[i + 1][1]]) / 2 + && spec[i][0] * timeUnitSize[spec[i][1]] >= minSize) { + break; + } + } + + var size = spec[i][0]; + var unit = spec[i][1]; + + // special-case the possibility of several years + + if (unit == "year") { + + // if given a minTickSize in years, just use it, + // ensuring that it's an integer + + if (opts.minTickSize != null && opts.minTickSize[1] == "year") { + size = Math.floor(opts.minTickSize[0]); + } else { + + var magn = Math.pow(10, Math.floor(Math.log(axis.delta / timeUnitSize.year) / Math.LN10)); + var norm = (axis.delta / timeUnitSize.year) / magn; + + if (norm < 1.5) { + size = 1; + } else if (norm < 3) { + size = 2; + } else if (norm < 7.5) { + size = 5; + } else { + size = 10; + } + + size *= magn; + } + + // minimum size for years is 1 + + if (size < 1) { + size = 1; + } + } + + axis.tickSize = opts.tickSize || [size, unit]; + var tickSize = axis.tickSize[0]; + unit = axis.tickSize[1]; + + var step = tickSize * timeUnitSize[unit]; + + if (unit == "second") { + d.setSeconds(floorInBase(d.getSeconds(), tickSize)); + } else if (unit == "minute") { + d.setMinutes(floorInBase(d.getMinutes(), tickSize)); + } else if (unit == "hour") { + d.setHours(floorInBase(d.getHours(), tickSize)); + } else if (unit == "month") { + d.setMonth(floorInBase(d.getMonth(), tickSize)); + } else if (unit == "quarter") { + d.setMonth(3 * floorInBase(d.getMonth() / 3, + tickSize)); + } else if (unit == "year") { + d.setFullYear(floorInBase(d.getFullYear(), tickSize)); + } + + // reset smaller components + + d.setMilliseconds(0); + + if (step >= timeUnitSize.minute) { + d.setSeconds(0); + } + if (step >= timeUnitSize.hour) { + d.setMinutes(0); + } + if (step >= timeUnitSize.day) { + d.setHours(0); + } + if (step >= timeUnitSize.day * 4) { + d.setDate(1); + } + if (step >= timeUnitSize.month * 2) { + d.setMonth(floorInBase(d.getMonth(), 3)); + } + if (step >= timeUnitSize.quarter * 2) { + d.setMonth(floorInBase(d.getMonth(), 6)); + } + if (step >= timeUnitSize.year) { + d.setMonth(0); + } + + var carry = 0; + var v = Number.NaN; + var prev; + + do { + + prev = v; + v = d.getTime(); + ticks.push(v); + + if (unit == "month" || unit == "quarter") { + if (tickSize < 1) { + + // a bit complicated - we'll divide the + // month/quarter up but we need to take + // care of fractions so we don't end up in + // the middle of a day + + d.setDate(1); + var start = d.getTime(); + d.setMonth(d.getMonth() + + (unit == "quarter" ? 3 : 1)); + var end = d.getTime(); + d.setTime(v + carry * timeUnitSize.hour + (end - start) * tickSize); + carry = d.getHours(); + d.setHours(0); + } else { + d.setMonth(d.getMonth() + + tickSize * (unit == "quarter" ? 3 : 1)); + } + } else if (unit == "year") { + d.setFullYear(d.getFullYear() + tickSize); + } else { + d.setTime(v + step); + } + } while (v < axis.max && v != prev); + + return ticks; + }; + + axis.tickFormatter = function (v, axis) { + + var d = dateGenerator(v, axis.options); + + // first check global format + + if (opts.timeformat != null) { + return formatDate(d, opts.timeformat, opts.monthNames, opts.dayNames); + } + + // possibly use quarters if quarters are mentioned in + // any of these places + + var useQuarters = (axis.options.tickSize && + axis.options.tickSize[1] == "quarter") || + (axis.options.minTickSize && + axis.options.minTickSize[1] == "quarter"); + + var t = axis.tickSize[0] * timeUnitSize[axis.tickSize[1]]; + var span = axis.max - axis.min; + var suffix = (opts.twelveHourClock) ? " %p" : ""; + var hourCode = (opts.twelveHourClock) ? "%I" : "%H"; + var fmt; + + if (t < timeUnitSize.minute) { + fmt = hourCode + ":%M:%S" + suffix; + } else if (t < timeUnitSize.day) { + if (span < 2 * timeUnitSize.day) { + fmt = hourCode + ":%M" + suffix; + } else { + fmt = "%b %d " + hourCode + ":%M" + suffix; + } + } else if (t < timeUnitSize.month) { + fmt = "%b %d"; + } else if ((useQuarters && t < timeUnitSize.quarter) || + (!useQuarters && t < timeUnitSize.year)) { + if (span < timeUnitSize.year) { + fmt = "%b"; + } else { + fmt = "%b %Y"; + } + } else if (useQuarters && t < timeUnitSize.year) { + if (span < timeUnitSize.year) { + fmt = "Q%q"; + } else { + fmt = "Q%q %Y"; + } + } else { + fmt = "%Y"; + } + + var rt = formatDate(d, fmt, opts.monthNames, opts.dayNames); + + return rt; + }; + } + }); + }); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'time', + version: '1.0' + }); + + // Time-axis support used to be in Flot core, which exposed the + // formatDate function on the plot object. Various plugins depend + // on the function, so we need to re-expose it here. + + $.plot.formatDate = formatDate; + +})(jQuery); diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..cea1248 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,33 @@ +{ + "compilerOptions": { + "moduleResolution": "node", + "outDir": "dist", + "target": "es5", + "lib": [ + "es6", + "dom" + ], + "rootDir": "./src", + "module": "esnext", + "declaration": false, + "allowSyntheticDefaultImports": true, + "inlineSourceMap": false, + "sourceMap": true, + "noEmitOnError": false, + "emitDecoratorMetadata": false, + "experimentalDecorators": true, + "noImplicitReturns": true, + "noImplicitThis": false, + "noImplicitUseStrict": false, + "noImplicitAny": false, + "noUnusedLocals": false, + "baseUrl": "./src", + "allowUnreachableCode": true, + "paths": { + "@": ["."] + } + }, + "include": [ + "./src/**/*.ts" + ] +}