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  1. 1
      .gitignore
  2. 201
      LICENSE
  3. 35
      build/webpack.base.conf.js
  4. 8
      build/webpack.dev.conf.js
  5. 6
      build/webpack.prod.conf.js
  6. 35
      demo.html
  7. 73
      dist/index.d.ts
  8. 9
      dist/index.js
  9. 22
      dist/types.d.ts
  10. 4620
      package-lock.json
  11. 32
      package.json
  12. 367
      src/index.ts
  13. 23
      src/types.ts
  14. 22
      tsconfig.json

1
.gitignore vendored
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node_modules

201
LICENSE
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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35
build/webpack.base.conf.js
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const path = require('path');
function resolve(dir) {
return path.join(__dirname, '..', dir)
}
module.exports = {
context: resolve('src'),
entry: './index.ts',
plugins: [],
module: {
rules: [
{
test: /\.ts$/,
use: 'ts-loader',
exclude: /node_modules/
},
{
test: /\.css$/,
use: ['style-loader', 'css-loader'],
exclude: /node_modules/
}
],
},
resolve: {
extensions: ['.ts', '.js'],
},
output: {
filename: 'index.js',
path: resolve('dist'),
libraryTarget: 'umd',
umdNamedDefine: true
}
};

8
build/webpack.dev.conf.js
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const baseWebpackConfig = require('./webpack.base.conf');
var conf = baseWebpackConfig;
conf.devtool = 'inline-source-map';
conf.watch = true;
conf.mode = 'development';
module.exports = conf;

6
build/webpack.prod.conf.js
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const baseWebpackConfig = require('./webpack.base.conf');
var conf = baseWebpackConfig;
conf.mode = 'production';
module.exports = baseWebpackConfig;

35
demo.html
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<!DOCTYPE html>
<html>
<head>
<meta content="text/html;charset=utf-8" http-equiv="Content-Type">
<meta content="utf-8" http-equiv="encoding">
<script src="./dist/index.js" type="text/javascript"></script>
</head>
<body>
<div id="chart" style="width: 500px; height: 500px;"></div>
<script type="text/javascript">
var pod = new ChartwerkBarPod(
document.getElementById('chart'),
[
{ target: 'test11', datapoints: [[15, 100], [20, 110], [10, 300]], matchedKey: 'm-1', color: 'red' },
{ target: 'test12', datapoints: [[10, 100], [20, 200], [10, 300]], matchedKey: 'm-1', color: 'green' },
{ target: 'test21', datapoints: [[10, 130], [26, 230], [15, 330]], matchedKey: 'm-2', color: 'yellow'},
{ target: 'test22', datapoints: [[10, 130], [27, 230], [10, 330]], matchedKey: 'm-2', color: 'blue' },
],
{
usePanning: false,
axis: {
x: { format: 'custom', invert: false, valueFormatter: (value) => { return 'L' + value; } },
y: { invert: false, range: [0, 30], valueFormatter: (value) => { return value + '%'; } }
},
stacked: true,
matching: true,
maxBarWidth: 20
}
);
pod.render();
</script>
</body>
</html>

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import { ChartwerkPod, TickOrientation, TimeFormat, AxisFormat } from '@chartwerk/core';
import { BarTimeSerie, BarOptions, RowValues } from './types';
import * as d3 from 'd3';
export declare class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
metricsContainer: any;
constructor(el: HTMLElement, _series?: BarTimeSerie[], _options?: BarOptions);
protected renderMetrics(): void;
renderSerie(data: any): void;
getBarOpacity(rowValues: RowValues): number;
mergeMacthedSeriesAndSort(matchedSeries: any[]): any;
get seriesUniqKeys(): string[];
get seriesForMatching(): BarTimeSerie[][];
getZippedDataForRender(series: BarTimeSerie[]): RowValues[];
renderSharedCrosshair(timestamp: number): void;
hideSharedCrosshair(): void;
onMouseMove(): void;
getSeriesPointFromMousePosition(eventX: number): any[] | undefined;
getBarColor(serie: any): any;
onMouseOver(): void;
onMouseOut(): void;
contextMenu(): void;
get barWidth(): number;
updateBarWidthWithBorders(width: number): number;
getBarHeight(value: number): number;
getBarPositionX(key: number, idx: number): number;
getBarPositionY(val: number, idx: number, values: number[]): number;
get yScale(): d3.ScaleLinear<number, number>;
get maxValue(): number | undefined;
}
export declare const VueChartwerkBarChartObject: {
render(createElement: any): any;
mixins: {
props: {
id: {
type: StringConstructor;
required: boolean;
};
series: {
type: ArrayConstructor;
required: boolean;
default: () => any[];
};
options: {
type: ObjectConstructor;
required: boolean;
default: () => {};
};
};
watch: {
id(): void;
series(): void;
options(): void;
};
mounted(): void;
methods: {
render(): void;
renderChart(): void;
appendEvents(): void;
zoomIn(range: any): void;
zoomOut(center: any): void;
mouseMove(evt: any): void;
mouseOut(): void;
onLegendClick(idx: any): void;
panningEnd(range: any): void;
panning(range: any): void;
contextMenu(evt: any): void;
};
}[];
methods: {
render(): void;
};
};
export { BarTimeSerie, BarOptions, TickOrientation, TimeFormat, AxisFormat };

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import { TimeSerie, Options } from '@chartwerk/core';
export declare type BarSerieParams = {
matchedKey: string;
colorFormatter: (serie: BarTimeSerie) => string;
};
export declare type BarTimeSerie = TimeSerie & Partial<BarSerieParams>;
export declare type BarOptionsParams = {
renderBarLabels: boolean;
stacked: boolean;
barWidth: number;
maxBarWidth: number;
minBarWidth: number;
matching: boolean;
opacityFormatter: (data: RowValues) => number;
};
export declare type BarOptions = Options & Partial<BarOptionsParams>;
export declare type RowValues = {
key: number;
values: number[];
additionalValues: (null | number)[];
colors: string[];
};

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package.json
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{
"name": "@chartwerk/bar-chart",
"version": "0.2.4",
"description": "Chartwerk bar chart",
"main": "dist/index.js",
"scripts": {
"build": "webpack --config build/webpack.prod.conf.js",
"dev": "webpack --config build/webpack.dev.conf.js",
"test": "echo \"Error: no test specified\" && exit 1"
},
"repository": {
"type": "git",
"url": "https://github.com/chartwerk/bar-chart.git"
},
"author": "CorpGlory",
"license": "Apache-2.0",
"dependencies": {
"@chartwerk/core": "github:chartwerk/core#880b8e064f6df9430df337c6fafb03cc658cb24f"
},
"devDependencies": {
"@types/d3": "^5.7.2",
"@types/lodash": "^4.14.149",
"css-loader": "^3.4.2",
"d3": "^5.15.0",
"lodash": "^4.17.15",
"style-loader": "^1.1.3",
"ts-loader": "^6.2.1",
"typescript": "^3.8.3",
"webpack": "^4.42.0",
"webpack-cli": "^3.3.11"
}
}

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src/index.ts
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import { ChartwerkPod, VueChartwerkPodMixin, TickOrientation, TimeFormat, AxisFormat } from '@chartwerk/core';
import { BarTimeSerie, BarOptions, RowValues } from './types';
import * as d3 from 'd3';
import * as _ from 'lodash';
const DEFAULT_BAR_OPTIONS: BarOptions = {
renderBarLabels: false,
stacked: false,
matching: false
}
export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
metricsContainer: any;
constructor(el: HTMLElement, _series: BarTimeSerie[] = [], _options: BarOptions = {}) {
super(d3, el, _series, _options);
_.defaults(this.options, DEFAULT_BAR_OPTIONS);
}
protected renderMetrics(): void {
if(this.series.length === 0 || this.series[0].datapoints.length === 0) {
this.renderNoDataPointsMessage();
return;
}
// container for clip path
const clipContatiner = this.chartContainer
.append('g')
.attr('clip-path', `url(#${this.rectClipId})`)
.attr('class', 'metrics-container');
// container for panning
this.metricsContainer = clipContatiner
.append('g')
.attr('class', ' metrics-rect');
if(this.options.matching === false || this.seriesUniqKeys.length === 0) {
const zippedData = this.getZippedDataForRender(this.visibleSeries);
this.renderSerie(zippedData);
return;
}
const matchedSeries = this.seriesForMatching.map((series: BarTimeSerie[], idx: number) => {
return this.getZippedDataForRender(series);
});
const concatedSeries = this.mergeMacthedSeriesAndSort(matchedSeries);
this.renderSerie(concatedSeries);
}
renderSerie(data: any): void {
this.metricsContainer.selectAll(`.rects-container`)
.data(data)
.enter().append('g')
.attr('class', 'rects-container')
.attr('clip-path', `url(#${this.rectClipId})`)
.each((d: RowValues, i: number, nodes: any) => {
const container = d3.select(nodes[i]);
container.selectAll('rect')
.data(d.values)
.enter().append('rect')
.style('fill', (val, i) => d.colors[i])
.attr('opacity', () => this.getBarOpacity(d))
.attr('x', (val: number, idx: number) => {
return this.getBarPositionX(d.key, idx);
})
.attr('y', (val: number, idx: number) => {
return this.getBarPositionY(val, idx, d.values);
})
.attr('width', this.barWidth)
.attr('height', (val: number) => this.getBarHeight(val))
.on('contextmenu', this.contextMenu.bind(this));
});
// TODO: render bar labels
}
getBarOpacity(rowValues: RowValues): number {
if(this.options.opacityFormatter === undefined) {
return 1;
}
return this.options.opacityFormatter(rowValues);
}
mergeMacthedSeriesAndSort(matchedSeries: any[]) {
// TODO: refactor
if(matchedSeries.length === 0) {
throw new Error('Cant mergeMacthedSeriesAndSort');
}
if(matchedSeries.length === 1) {
return matchedSeries[0];
}
let unionSeries = _.clone(matchedSeries[0]);
for(let i = 1; i < matchedSeries.length; i++){
unionSeries = [...unionSeries, ...matchedSeries[i]];
}
const sortedSeries = _.sortBy(unionSeries, ['key']);
return sortedSeries;
}
get seriesUniqKeys(): string[] {
if(this.visibleSeries.length === 0) {
return [];
}
const keys = this.visibleSeries.map(serie => serie.matchedKey);
const uniqKeys = _.uniq(keys);
const filteredKeys = _.filter(uniqKeys, key => key !== undefined);
return filteredKeys;
}
get seriesForMatching(): BarTimeSerie[][] {
if(this.seriesUniqKeys.length === 0) {
return [this.visibleSeries];
}
const seriesList = this.seriesUniqKeys.map(key => {
const seriesWithKey = _.filter(this.visibleSeries, serie => serie.matchedKey === key);
return seriesWithKey;
});
return seriesList;
}
getZippedDataForRender(series: BarTimeSerie[]): RowValues[] {
if(series.length === 0) {
throw new Error('There is no visible series');
}
const keysColumn = _.map(series[0].datapoints, row => row[1]);
const valuesColumns = _.map(series, serie => _.map(serie.datapoints, row => row[0]));
// @ts-ignore
const additionalValuesColumns = _.map(series, serie => _.map(serie.datapoints, row => row[2] !== undefined ? row[2] : null));
const zippedAdditionalValuesColumn = _.zip(...additionalValuesColumns);
const zippedValuesColumn = _.zip(...valuesColumns);
const colors = _.map(series, serie => this.getBarColor(serie));
const zippedData = _.zip(keysColumn, zippedValuesColumn, zippedAdditionalValuesColumn);
const data = _.map(zippedData, row => { return { key: row[0], values: row[1], additionalValues: row[2], colors } });
return data;
}
public renderSharedCrosshair(timestamp: number): void {
this.crosshair.style('display', null);
const x = this.xScale(timestamp);
this.crosshair.select('#crosshair-line-x')
.attr('x1', x)
.attr('x2', x);
}
public hideSharedCrosshair(): void {
this.crosshair.style('display', 'none');
}
onMouseMove(): void {
// TODO: mouse move work bad with matching
const event = this.d3.mouse(this.chartContainer.node());
const eventX = event[0];
if(this.isOutOfChart() === true) {
this.crosshair.style('display', 'none');
return;
}
this.crosshair.select('#crosshair-line-x')
.attr('x1', eventX)
.attr('x2', eventX);
const series = this.getSeriesPointFromMousePosition(eventX);
if(this.options.eventsCallbacks !== undefined && this.options.eventsCallbacks.mouseMove !== undefined) {
this.options.eventsCallbacks.mouseMove({
x: this.d3.event.pageX,
y: this.d3.event.pageY,
time: this.xScale.invert(eventX),
series,
chartX: eventX,
chartWidth: this.width
});
} else {
console.log('mouse move, but there is no callback');
}
}
// TODO: not any[]
getSeriesPointFromMousePosition(eventX: number): any[] | undefined {
if(this.series === undefined || this.series.length === 0) {
return undefined;
}
const bisectDate = this.d3.bisector((d: [number, number]) => d[1]).left;
const mouseDate = this.xScale.invert(eventX);
let idx = bisectDate(this.series[0].datapoints, mouseDate) - 1;
const series: any[] = [];
for(let i = 0; i < this.series.length; i++) {
if(this.series[i].visible === false || this.series[i].datapoints.length < idx + 1) {
continue;
}
series.push({
value: this.series[i].datapoints[idx][0],
xval: this.series[i].datapoints[idx][1],
color: this.getBarColor(this.series[i]),
label: this.series[i].alias || this.series[i].target
});
}
return series;
}
getBarColor(serie: any) {
if(serie.color === undefined) {
return this.getSerieColor(0);
}
return serie.color;
}
onMouseOver(): void {
this.crosshair.style('display', null);
this.crosshair.raise();
}
onMouseOut(): void {
if(this.options.eventsCallbacks !== undefined && this.options.eventsCallbacks.mouseOut !== undefined) {
this.options.eventsCallbacks.mouseOut();
} else {
console.log('mouse out, but there is no callback');
}
this.crosshair.style('display', 'none');
}
contextMenu(): void {
// maybe it is not the best name, but i took it from d3.
this.d3.event.preventDefault(); // do not open browser's context menu.
const event = this.d3.mouse(this.chartContainer.node());
const eventX = event[0];
const series = this.getSeriesPointFromMousePosition(eventX);
if(this.options.eventsCallbacks !== undefined && this.options.eventsCallbacks.contextMenu !== undefined) {
this.options.eventsCallbacks.contextMenu({
x: this.d3.event.pageX,
y: this.d3.event.pageY,
time: this.xScale.invert(eventX),
series,
chartX: eventX
});
} else {
console.log('contextmenu, but there is no callback');
}
}
get barWidth(): number {
// TODO: here we use first value + timeInterval as bar width. It is not a good idea
const xAxisStartValue = _.first(this.series[0].datapoints)[1];
let width = this.xScale(xAxisStartValue + this.timeInterval) / 2;
if(this.options.barWidth !== undefined) {
// barWidth now has axis-x dimension
width = this.xScale(this.minValueX + this.options.barWidth);
}
let rectColumns = this.visibleSeries.length;
if(this.options.stacked === true) {
rectColumns = 1;
}
return this.updateBarWidthWithBorders(width / rectColumns);
}
updateBarWidthWithBorders(width: number): number {
let barWidth = width;
if(this.options.minBarWidth !== undefined) {
barWidth = Math.max(barWidth, this.options.minBarWidth);
}
if(this.options.maxBarWidth !== undefined) {
barWidth = Math.min(barWidth, this.options.maxBarWidth);
}
return barWidth;
}
getBarHeight(value: number): number {
// TODO: Property 'sign' does not exist on type 'Math'
// @ts-ignore
const height = Math.sign(value) * (this.yScale(0) - this.yScale(value));
return height;
}
getBarPositionX(key: number, idx: number): number {
let xPosition: number = this.xScale(key);
if(this.options.stacked === false) {
xPosition += idx * this.barWidth;
}
return xPosition;
}
getBarPositionY(val: number, idx: number, values: number[]): number {
let yPosition: number = this.yScale(Math.max(val, 0));
if(this.options.stacked === true) {
const previousBarsHeight = _.sum(
_.map(_.range(idx), i => this.getBarHeight(values[i]))
);
yPosition -= previousBarsHeight;
}
return yPosition;
}
get yScale(): d3.ScaleLinear<number, number> {
if(
this.minValue === undefined ||
this.maxValue === undefined
) {
return this.d3.scaleLinear()
.domain([1, 0])
.range([0, this.height]);
}
return this.d3.scaleLinear()
.domain([this.maxValue, Math.min(this.minValue, 0)])
.range([0, this.height]);
}
get maxValue(): number | undefined {
if(this.series === undefined || this.series.length === 0 || this.series[0].datapoints.length === 0) {
return undefined;
}
if(this.options.axis.y !== undefined && this.options.axis.y.range !== undefined) {
return _.max(this.options.axis.y.range);
}
let maxValue: number;
if(this.options.stacked === true) {
if(this.options.matching === true && this.seriesUniqKeys.length > 0) {
const maxValues = this.seriesForMatching.map(series => {
const valuesColumns = _.map(series, serie => _.map(serie.datapoints, row => row[0]));
const zippedValuesColumn = _.zip(...valuesColumns);
return maxValue = _.max(_.map(zippedValuesColumn, row => _.sum(row)));
});
return _.max(maxValues);
} else {
const valuesColumns = _.map(this.visibleSeries, serie => _.map(serie.datapoints, row => row[0]));
const zippedValuesColumn = _.zip(...valuesColumns);
maxValue = _.max(_.map(zippedValuesColumn, row => _.sum(row)));
}
} else {
maxValue = _.max(
this.visibleSeries.map(
serie => _.maxBy<number[]>(serie.datapoints, dp => dp[0])[0]
)
);
}
return Math.max(maxValue, 0);
}
}
// it is used with Vue.component, e.g.: Vue.component('chartwerk-bar-chart', VueChartwerkBarChartObject)
export const VueChartwerkBarChartObject = {
// alternative to `template: '<div class="chartwerk-bar-chart" :id="id" />'`
render(createElement) {
return createElement(
'div',
{
class: { 'chartwerk-bar-chart': true },
attrs: { id: this.id }
}
)
},
mixins: [VueChartwerkPodMixin],
methods: {
render() {
const pod = new ChartwerkBarPod(document.getElementById(this.id), this.series, this.options);
pod.render();
}
}
};
export { BarTimeSerie, BarOptions, TickOrientation, TimeFormat, AxisFormat };

23
src/types.ts
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import { TimeSerie, Options } from '@chartwerk/core';
export type BarSerieParams = {
matchedKey: string;
colorFormatter: (serie: BarTimeSerie) => string;
}
export type BarTimeSerie = TimeSerie & Partial<BarSerieParams>;
export type BarOptionsParams = {
renderBarLabels: boolean;
stacked: boolean;
barWidth: number; // width in x axis unit
maxBarWidth: number; // in px
minBarWidth: number; // in px
matching: boolean;
opacityFormatter: (data: RowValues) => number;
}
export type BarOptions = Options & Partial<BarOptionsParams>;
export type RowValues = {
key: number,
values: number[],
additionalValues: (null | number)[], // values in datapoints third column
colors: string[]
}

22
tsconfig.json
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{
"compilerOptions": {
"target": "es5",
"rootDir": "./src",
"module": "esnext",
"moduleResolution": "node",
"declaration": true,
"declarationDir": "dist",
"allowSyntheticDefaultImports": true,
"inlineSourceMap": false,
"sourceMap": true,
"noEmitOnError": false,
"emitDecoratorMetadata": false,
"experimentalDecorators": true,
"noImplicitReturns": true,
"noImplicitThis": false,
"noImplicitUseStrict": false,
"noImplicitAny": false,
"noUnusedLocals": false,
"baseUrl": "./src"
}
}
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