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844 lines
24 KiB
844 lines
24 KiB
import { Segment } from './models/segment'; |
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import { GraphTooltip } from './graph_tooltip'; |
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import { ThresholdManager } from './threshold_manager'; |
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import { convertValuesToHistogram, getSeriesValues } from './histogram'; |
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import { |
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AnalyticController, |
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REGION_FILL_ALPHA as ANOMALY_REGION_FILL_ALPHA, |
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REGION_STROKE_ALPHA as ANOMALY_REGION_STROKE_ALPHA, |
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REGION_DELETE_COLOR_LIGHT as ANOMALY_REGION_DELETE_COLOR_LIGHT, |
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REGION_DELETE_COLOR_DARK as ANOMALY_REGION_DELETE_COLOR_DARK |
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} from './controllers/analytic_controller'; |
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|
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import { GraphCtrl } from './module'; |
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|
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import './vendor/flot/jquery.flot'; |
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import './vendor/flot/jquery.flot.time'; |
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import './vendor/flot/jquery.flot.selection'; |
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import './vendor/flot/jquery.flot.stack'; |
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import './vendor/flot/jquery.flot.stackpercent'; |
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import './vendor/flot/jquery.flot.fillbelow'; |
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import './vendor/flot/jquery.flot.crosshair'; |
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import './vendor/flot/jquery.flot.dashes'; |
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import './vendor/flot/jquery.flot.events'; |
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|
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// import { EventManager } from 'grafana/app/features/annotations/event_manager'; |
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import TimeSeries from 'grafana/app/core/time_series2'; |
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import { getFlotTickDecimals } from 'grafana/app/core/utils/ticks'; |
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import { tickStep } from 'grafana/app/core/utils/ticks'; |
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import { appEvents, coreModule } from 'grafana/app/core/core'; |
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import kbn from 'grafana/app/core/utils/kbn'; |
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|
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import * as $ from 'jquery'; |
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import _ from 'lodash'; |
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import moment from 'moment'; |
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const COLOR_SELECTION = '#666'; |
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export class GraphRenderer { |
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|
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private _ananlyticController: AnalyticController; |
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private data: any; |
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private tooltip: GraphTooltip; |
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private thresholdManager: ThresholdManager; |
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private panelWidth: number; |
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private plot: any; |
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private sortedSeries: any; |
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private ctrl: GraphCtrl; |
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private dashboard: any; |
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private panel: any; |
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// private eventManager; |
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private flotOptions: any = {} |
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private $elem: JQuery<HTMLElement>; |
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// private annotations: any[]; |
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private contextSrv: any; |
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private popoverSrv: any; |
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private scope: any; |
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private timeSrv: any; |
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private _graphMousePosition: any; |
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constructor ($elem: JQuery<HTMLElement>, timeSrv, popoverSrv, contextSrv, scope) { |
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|
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var self = this; |
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this.$elem = $elem; |
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this.ctrl = scope.ctrl; |
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this.dashboard = this.ctrl.dashboard; |
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this.panel = this.ctrl.panel; |
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|
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this.timeSrv = timeSrv; |
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this.popoverSrv = popoverSrv; |
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this.contextSrv = contextSrv; |
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this.scope = scope; |
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this._ananlyticController = this.ctrl.analyticsController; |
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if(this._ananlyticController === undefined) { |
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throw new Error('ananlyticController is undefined'); |
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} |
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// this.annotations = []; |
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this.panelWidth = 0; |
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|
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// this.eventManager = new EventManager(this.ctrl); |
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this.flotOptions = {} |
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this.thresholdManager = new ThresholdManager(this.ctrl); |
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this.tooltip = new GraphTooltip( |
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$elem, this.dashboard, scope, () => this.sortedSeries, |
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this._ananlyticController.getSegmentsSearcher() |
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); |
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|
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// panel events |
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this.ctrl.events.on('panel-teardown', () => { |
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this.thresholdManager = null; |
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if (this.plot) { |
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this.plot.destroy(); |
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this.plot = null; |
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} |
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}); |
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|
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// global events |
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appEvents.on('graph-hover', this._onGraphHover.bind(this), scope); |
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appEvents.on('graph-hover-clear', this._onGraphHoverClear.bind(this), scope); |
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|
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$elem.bind('plotselected', (event, selectionEvent) => { |
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if (this.panel.xaxis.mode !== 'time') { |
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// Skip if panel in histogram or series mode |
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this.plot.clearSelection(); |
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return; |
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} |
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|
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if(this._isAnomalyEvent(selectionEvent)) { |
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this.plot.clearSelection(); |
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var id = this._ananlyticController.getIdForNewLabelSegment() |
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var segment = new Segment( |
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id, |
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Math.round(selectionEvent.xaxis.from), |
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Math.round(selectionEvent.xaxis.to) |
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); |
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if(this._ananlyticController.labelingDeleteMode) { |
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this._ananlyticController.deleteLabelingAnomalySegmentsInRange( |
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segment.from, segment.to |
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); |
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} else { |
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this._ananlyticController.addLabelSegment(segment); |
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} |
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this._renderPanel(); |
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return; |
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} |
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if ((selectionEvent.ctrlKey || selectionEvent.metaKey) && contextSrv.isEditor) { |
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// Add annotation |
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setTimeout(() => { |
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// this.eventManager.updateTime(selectionEvent.xaxis); |
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}, 100); |
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} else { |
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scope.$apply(function() { |
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timeSrv.setTime({ |
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from: moment.utc(selectionEvent.xaxis.from), |
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to: moment.utc(selectionEvent.xaxis.to), |
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}); |
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}); |
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} |
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}); |
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$elem.bind('plotclick', (event, flotEvent, item) => { |
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if (this.panel.xaxis.mode !== 'time') { |
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// Skip if panel in histogram or series mode |
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return; |
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} |
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if(this._isAnomalyEvent(flotEvent)) { |
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return; |
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} |
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if ((flotEvent.ctrlKey || flotEvent.metaKey) && contextSrv.isEditor) { |
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// Skip if range selected (added in "plotselected" event handler) |
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let isRangeSelection = flotEvent.x !== flotEvent.x1; |
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if (!isRangeSelection) { |
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setTimeout(() => { |
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// this.eventManager.updateTime({ from: flotEvent.x, to: null }); |
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}, 100); |
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} |
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} |
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}); |
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$elem.mouseleave(() => { |
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if (this.panel.tooltip.shared) { |
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var plot = $elem.data().plot; |
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if (plot) { |
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this.tooltip.clear(plot); |
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} |
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} |
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appEvents.emit('graph-hover-clear'); |
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}); |
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$elem.bind("plothover", (event, pos, item) => { |
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self.tooltip.show(pos, item); |
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pos.panelRelY = (pos.pageY - $elem.offset().top) / $elem.height(); |
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self._graphMousePosition = this.plot.p2c(pos); |
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appEvents.emit('graph-hover', { pos: pos, panel: this.panel }); |
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}); |
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$elem.bind("plotclick", (event, pos, item) => { |
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appEvents.emit('graph-click', { pos: pos, panel: this.panel, item: item }); |
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}); |
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$elem.mousedown(e => { |
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this._ananlyticController.graphLocked = true; |
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this._chooseSelectionColor(e); |
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}); |
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$(document).mouseup(e => { |
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this._ananlyticController.graphLocked = false; |
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}) |
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} |
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public render(renderData) { |
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this.data = renderData || this.data; |
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if (!this.data) { |
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return; |
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} |
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// this.annotations = this.ctrl.annotations || []; |
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this._buildFlotPairs(this.data); |
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updateLegendValues(this.data, this.panel); |
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this._renderPanel(); |
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if(this.tooltip.visible) { |
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var pos = this.plot.c2p(this._graphMousePosition); |
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var canvasOffset = this.$elem.find('.flot-overlay').offset(); |
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this.tooltip.show(pos); |
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this.plot.setCrosshair(pos); |
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} |
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} |
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private _onGraphHover(evt: any) { |
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if (!this.dashboard.sharedTooltipModeEnabled()) { |
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return; |
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} |
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// ignore if we are the emitter |
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if (!this.plot || evt.panel.id === this.panel.id || this.ctrl.otherPanelInFullscreenMode()) { |
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return; |
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} |
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this._graphMousePosition = this.plot.p2c(evt.pos); |
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this.tooltip.show(evt.pos); |
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} |
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private _onGraphHoverClear() { |
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if (this.plot) { |
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this.tooltip.clear(this.plot); |
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} |
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} |
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private _shouldAbortRender() { |
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if (!this.data) { |
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return true; |
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} |
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if (this.panelWidth === 0) { |
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return true; |
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} |
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return false; |
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} |
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private _drawHook(plot) { |
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// add left axis labels |
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if (this.panel.yaxes[0].label && this.panel.yaxes[0].show) { |
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$("<div class='axisLabel left-yaxis-label flot-temp-elem'></div>") |
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.text(this.panel.yaxes[0].label) |
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.appendTo(this.$elem); |
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} |
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// add right axis labels |
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if (this.panel.yaxes[1].label && this.panel.yaxes[1].show) { |
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$("<div class='axisLabel right-yaxis-label flot-temp-elem'></div>") |
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.text(this.panel.yaxes[1].label) |
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.appendTo(this.$elem); |
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} |
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if (this.ctrl.dataWarning) { |
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$(`<div class="datapoints-warning flot-temp-elem">${this.ctrl.dataWarning.title}</div>`).appendTo(this.$elem); |
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} |
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this.thresholdManager.draw(plot); |
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} |
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private _processOffsetHook(plot, gridMargin) { |
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var left = this.panel.yaxes[0]; |
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var right = this.panel.yaxes[1]; |
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if (left.show && left.label) { |
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gridMargin.left = 20; |
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} |
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if (right.show && right.label) { |
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gridMargin.right = 20; |
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} |
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// apply y-axis min/max options |
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var yaxis = plot.getYAxes(); |
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for (var i = 0; i < yaxis.length; i++) { |
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var axis = yaxis[i]; |
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var panelOptions = this.panel.yaxes[i]; |
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axis.options.max = axis.options.max !== null ? axis.options.max : panelOptions.max; |
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axis.options.min = axis.options.min !== null ? axis.options.min : panelOptions.min; |
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} |
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} |
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// Series could have different timeSteps, |
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// let's find the smallest one so that bars are correctly rendered. |
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// In addition, only take series which are rendered as bars for this. |
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private _getMinTimeStepOfSeries(data) { |
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var min = Number.MAX_VALUE; |
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for (let i = 0; i < data.length; i++) { |
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if (!data[i].stats.timeStep) { |
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continue; |
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} |
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if (this.panel.bars) { |
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if (data[i].bars && data[i].bars.show === false) { |
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continue; |
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} |
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} else { |
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if (typeof data[i].bars === 'undefined' || typeof data[i].bars.show === 'undefined' || !data[i].bars.show) { |
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continue; |
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} |
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} |
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if (data[i].stats.timeStep < min) { |
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min = data[i].stats.timeStep; |
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} |
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} |
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return min; |
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} |
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// Function for rendering panel |
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private _renderPanel() { |
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this.panelWidth = this.$elem.width(); |
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if (this._shouldAbortRender()) { |
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return; |
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} |
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// give space to alert editing |
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this.thresholdManager.prepare(this.$elem, this.data); |
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// un-check dashes if lines are unchecked |
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this.panel.dashes = this.panel.lines ? this.panel.dashes : false; |
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// Populate element |
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this._buildFlotOptions(this.panel); |
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this._prepareXAxis(this.panel); |
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this._configureYAxisOptions(this.data); |
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this.thresholdManager.addFlotOptions(this.flotOptions, this.panel); |
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// this.eventManager.addFlotEvents(this.annotations, this.flotOptions); |
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this._ananlyticController.updateFlotEvents(this.contextSrv.isEditor, this.flotOptions); |
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this.sortedSeries = this._sortSeries(this.data, this.panel); |
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this._callPlot(true); |
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} |
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private _chooseSelectionColor(e) { |
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var color = COLOR_SELECTION; |
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var fillAlpha = 0.4; |
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var strokeAlpha = 0.4; |
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if(this._isAnomalyEvent(e)) { |
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if(this._ananlyticController.labelingDeleteMode) { |
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color = this.contextSrv.user.lightTheme ? |
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ANOMALY_REGION_DELETE_COLOR_LIGHT : |
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ANOMALY_REGION_DELETE_COLOR_DARK; |
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} else { |
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color = this._ananlyticController.labelingAnomaly.color; |
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} |
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fillAlpha = ANOMALY_REGION_FILL_ALPHA; |
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strokeAlpha = ANOMALY_REGION_STROKE_ALPHA; |
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} |
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this.plot.getOptions().selection.color = color |
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} |
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private _buildFlotPairs(data) { |
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for (let i = 0; i < data.length; i++) { |
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let series = data[i]; |
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series.data = series.getFlotPairs(series.nullPointMode || this.panel.nullPointMode); |
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// if hidden remove points and disable stack |
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if (this.ctrl.hiddenSeries[series.alias]) { |
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series.data = []; |
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series.stack = false; |
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} |
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} |
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} |
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private _prepareXAxis(panel) { |
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switch (panel.xaxis.mode) { |
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case 'series': { |
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this.flotOptions.series.bars.barWidth = 0.7; |
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this.flotOptions.series.bars.align = 'center'; |
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for (let i = 0; i < this.data.length; i++) { |
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let series = this.data[i]; |
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series.data = [[i + 1, series.stats[panel.xaxis.values[0]]]]; |
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} |
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this._addXSeriesAxis(); |
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break; |
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} |
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case 'histogram': { |
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let bucketSize: number; |
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let values = getSeriesValues(this.data); |
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|
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if (this.data.length && values.length) { |
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let histMin = _.min(_.map(this.data, (s:any) => s.stats.min)); |
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let histMax = _.max(_.map(this.data, (s:any) => s.stats.max)); |
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let ticks = panel.xaxis.buckets || this.panelWidth / 50; |
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bucketSize = tickStep(histMin, histMax, ticks); |
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let histogram = convertValuesToHistogram(values, bucketSize); |
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this.data[0].data = histogram; |
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this.flotOptions.series.bars.barWidth = bucketSize * 0.8; |
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} else { |
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bucketSize = 0; |
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} |
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|
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this._addXHistogramAxis(bucketSize); |
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break; |
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} |
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case 'table': { |
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this.flotOptions.series.bars.barWidth = 0.7; |
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this.flotOptions.series.bars.align = 'center'; |
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this._addXTableAxis(); |
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break; |
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} |
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default: { |
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this.flotOptions.series.bars.barWidth = this._getMinTimeStepOfSeries(this.data) / 1.5; |
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this._addTimeAxis(); |
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break; |
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} |
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} |
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} |
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private _callPlot(incrementRenderCounter) { |
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try { |
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this.plot = $.plot(this.$elem, this.sortedSeries, this.flotOptions); |
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if (this.ctrl.renderError) { |
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delete this.ctrl.error; |
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delete this.ctrl.inspector; |
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} |
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} catch (e) { |
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console.log('flotcharts error', e); |
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this.ctrl.error = e.message || 'Render Error'; |
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this.ctrl.renderError = true; |
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this.ctrl.inspector = { error: e }; |
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} |
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if (incrementRenderCounter) { |
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this.ctrl.renderingCompleted(); |
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} |
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} |
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private _buildFlotOptions(panel) { |
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const stack = panel.stack ? true : null; |
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this.flotOptions = { |
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hooks: { |
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draw: [this._drawHook.bind(this)], |
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processOffset: [this._processOffsetHook.bind(this)], |
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}, |
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legend: { show: false }, |
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series: { |
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stackpercent: panel.stack ? panel.percentage : false, |
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stack: panel.percentage ? null : stack, |
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lines: { |
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show: panel.lines, |
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zero: false, |
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fill: this._translateFillOption(panel.fill), |
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lineWidth: panel.dashes ? 0 : panel.linewidth, |
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steps: panel.steppedLine, |
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}, |
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dashes: { |
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show: panel.dashes, |
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lineWidth: panel.linewidth, |
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dashLength: [panel.dashLength, panel.spaceLength], |
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}, |
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bars: { |
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show: panel.bars, |
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fill: 1, |
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barWidth: 1, |
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zero: false, |
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lineWidth: 0, |
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}, |
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points: { |
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show: panel.points, |
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fill: 1, |
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fillColor: false, |
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radius: panel.points ? panel.pointradius : 2, |
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}, |
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shadowSize: 0, |
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}, |
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yaxes: [], |
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xaxis: {}, |
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grid: { |
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minBorderMargin: 0, |
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markings: [], |
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backgroundColor: null, |
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borderWidth: 0, |
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hoverable: true, |
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clickable: true, |
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color: '#c8c8c8', |
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margin: { left: 0, right: 0 }, |
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labelMarginX: 0, |
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}, |
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selection: { |
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mode: 'x' |
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}, |
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crosshair: { |
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mode: 'x', |
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}, |
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}; |
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} |
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|
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private _sortSeries(series, panel) { |
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var sortBy = panel.legend.sort; |
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var sortOrder = panel.legend.sortDesc; |
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var haveSortBy = sortBy !== null || sortBy !== undefined; |
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var haveSortOrder = sortOrder !== null || sortOrder !== undefined; |
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var shouldSortBy = panel.stack && haveSortBy && haveSortOrder; |
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var sortDesc = panel.legend.sortDesc === true ? -1 : 1; |
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|
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series.sort((x, y) => { |
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if (x.zindex > y.zindex) { |
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return 1; |
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} |
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|
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if (x.zindex < y.zindex) { |
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return -1; |
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} |
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|
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if (shouldSortBy) { |
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if (x.stats[sortBy] > y.stats[sortBy]) { |
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return 1 * sortDesc; |
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} |
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if (x.stats[sortBy] < y.stats[sortBy]) { |
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return -1 * sortDesc; |
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} |
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} |
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return 0; |
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}); |
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|
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return series; |
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} |
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|
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private _translateFillOption(fill) { |
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if (this.panel.percentage && this.panel.stack) { |
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return fill === 0 ? 0.001 : fill / 10; |
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} else { |
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return fill / 10; |
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} |
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} |
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|
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private _addTimeAxis() { |
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var ticks = this.panelWidth / 100; |
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var min = _.isUndefined(this.ctrl.range.from) ? null : this.ctrl.range.from.valueOf(); |
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var max = _.isUndefined(this.ctrl.range.to) ? null : this.ctrl.range.to.valueOf(); |
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|
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this.flotOptions.xaxis = { |
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timezone: this.dashboard.getTimezone(), |
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show: this.panel.xaxis.show, |
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mode: 'time', |
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min: min, |
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max: max, |
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label: 'Datetime', |
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ticks: ticks, |
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timeformat: this._timeFormat(ticks, min, max), |
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}; |
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} |
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|
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private _addXSeriesAxis() { |
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var ticks = _.map(this.data, function(series: any, index) { |
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return [index + 1, series.alias]; |
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}); |
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|
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this.flotOptions.xaxis = { |
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timezone: this.dashboard.getTimezone(), |
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show: this.panel.xaxis.show, |
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mode: null, |
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min: 0, |
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max: ticks.length + 1, |
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label: 'Datetime', |
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ticks: ticks, |
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}; |
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} |
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|
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private _addXHistogramAxis(bucketSize) { |
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let ticks, min, max; |
|
let defaultTicks = this.panelWidth / 50; |
|
|
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if (this.data.length && bucketSize) { |
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ticks = _.map(this.data[0].data, point => point[0]); |
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min = _.min(ticks); |
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max = _.max(ticks); |
|
|
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// Adjust tick step |
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let tickStep = bucketSize; |
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let ticks_num = Math.floor((max - min) / tickStep); |
|
while (ticks_num > defaultTicks) { |
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tickStep = tickStep * 2; |
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ticks_num = Math.ceil((max - min) / tickStep); |
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} |
|
|
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// 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._ananlyticController.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); |
|
} |
|
} |
|
} |
|
|
|
|