0.8.1

Reviewed-on: #7

examples/demo.html

@@ -13,10 +13,10 @@
       var pod = new ChartwerkBarPod(
         document.getElementById('chart'),
         [
-          { target: 'test11', datapoints: getData(), matchedKey: 'm-1', color: 'red'  },
-          { target: 'test12', datapoints: [[100, 10], [200, 20], [300, 10]], matchedKey: 'm-1', color: 'green' },
-          { target: 'test21', datapoints: [[130, 10], [230, 26], [330, 15]], matchedKey: 'm-2', color: 'yellow'},
-          { target: 'test22', datapoints: [[130, 10], [230, 27], [330, 10]], matchedKey: 'm-2', color: 'blue' },
+          { target: 'test11', datapoints: getData(), matchedKey: 'm-1', color: 'red', colorFormatter: (data) => ['green', 'yellow'][data.rowIndex]  },
+          // { target: 'test12', datapoints: [[100, 10], [200, 20], [300, 10]], matchedKey: 'm-1', color: 'green' },
+          // { target: 'test21', datapoints: [[130, 10], [230, 26], [330, 15]], matchedKey: 'm-2', color: 'yellow'},
+          // { target: 'test22', datapoints: [[130, 10], [230, 27], [330, 10]], matchedKey: 'm-2', color: 'blue' },
         ],
         {
           usePanning: false,
@@ -24,8 +24,8 @@
             x: { format: 'custom', invert: false, valueFormatter: (value) => { return 'L' + value; } },
             y: { format: 'custom', invert: false, range: [0, 30], valueFormatter: (value) => { return value + '%'; } }
           },
-          stacked: true,
-          matching: true,
+          stacked: false,
+          matching: false,
           maxBarWidth: 20,
           minBarWidth: 4,
           zoomEvents: {
@@ -37,7 +37,8 @@
           ],
           eventsCallbacks: {
             zoomIn: (range) => { console.log('range', range) }
-          }
+          },
+          renderLegend: false,
         }
       );
       console.time('render');
@@ -46,7 +47,7 @@
 
       function getData() {
         return [
-          [100, 15], [110, 20], [300, 10],
+          [100, 15], [200, 20], [300, 10],
         ];
       }
     </script>

package.json

@@ -1,8 +1,11 @@
 {
   "name": "@chartwerk/bar-pod",
-  "version": "0.5.1",
+  "version": "0.8.1",
   "description": "Chartwerk bar pod",
   "main": "dist/index.js",
+  "files": [
+    "/dist"
+  ],
   "scripts": {
     "build": "webpack --config build/webpack.prod.conf.js && webpack --config build/webpack.dev.conf.js",
     "dev": "webpack --watch --config build/webpack.dev.conf.js",
@@ -19,12 +22,12 @@
     "@chartwerk/core": "latest"
   },
   "devDependencies": {
-    "css-loader": "^3.4.2",
-    "style-loader": "^1.1.3",
-    "ts-loader": "^6.2.1",
-    "typescript": "^3.8.3",
-    "webpack": "^4.42.0",
-    "webpack-cli": "^3.3.11"
+    "css-loader": "^6.8.1",
+    "style-loader": "^3.3.3",
+    "ts-loader": "^9.4.3",
+    "typescript": "^5.1.3",
+    "webpack": "^5.87.0",
+    "webpack-cli": "^5.1.4"
   },
   "packageManager": "yarn@3.2.1"
 }

src/index.ts

@@ -1,48 +1,48 @@
 import { ChartwerkPod, VueChartwerkPodMixin, TimeFormat, AxisFormat } from '@chartwerk/core';
 
-import { BarTimeSerie, BarOptions, RowValues } from './types';
+import { BarConfig } from './models/bar_options';
+import { BarSeries } from './models/bar_series';
+
+import { BarSerie, BarOptions, RowValues } from './types';
 import { findClosest } from './utils';
 
 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> {
+export class ChartwerkBarPod extends ChartwerkPod<BarSerie, BarOptions> {
   barYScale: null | d3.ScaleLinear<number, number> = null;
   _seriesDataForRendring = [];
+  series: BarSeries;
+  options: BarConfig;
 
-  constructor(el: HTMLElement, _series: BarTimeSerie[] = [], _options: BarOptions = {}) {
+  constructor(el: HTMLElement, _series: BarSerie[] = [], _options: BarOptions = {}) {
     super(el, _series, _options);
-    _.defaults(this.options, DEFAULT_BAR_OPTIONS);
+    this.series = new BarSeries(_series);
+    this.options = new BarConfig(_options);
   }
 
   protected renderMetrics(): void {
-    if(this.series.length === 0 || this.series[0].datapoints.length === 0) {
+    if(!this.series.isSeriesAvailable) {
       this.renderNoDataPointsMessage();
       return;
     }
-  
+
     this.setBarPodScales();
     this.setSeriesDataForRendering();
     this.renderSerie(this._seriesDataForRendring);
   }
 
   get isMatchingDisabled(): boolean {
-    return this.options.matching === false || this.seriesUniqKeys.length === 0;
+    return this.options.barOptions.matching === false || this.seriesUniqKeys.length === 0;
   }
 
   setSeriesDataForRendering(): void {
     if(this.isMatchingDisabled) {
-      this._seriesDataForRendring = this.getZippedDataForRender(this.visibleSeries);
+      this._seriesDataForRendring = this.getZippedDataForRender(this.series.visibleSeries);
     } else {
       const matchedSeries = this.seriesForMatching.map(
-        (series: BarTimeSerie[], idx: number) => this.getZippedDataForRender(series)
+        (series: BarSerie[], idx: number) => this.getZippedDataForRender(series)
       );
       this._seriesDataForRendring = this.mergeMacthedSeriesAndSort(matchedSeries);
     }
@@ -59,51 +59,63 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
       .data(data)
       .enter().append('g')
       .attr('class', 'rects-container')
-      .each((d: RowValues, i: number, nodes: any) => {
-        const container = d3.select(nodes[i]);
+      .each((d: RowValues, rowIndex: number, nodes: any) => {
+        const container = d3.select(nodes[rowIndex]);
         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));
+          .data(d.values)
+          .enter().append('rect')
+          .style('fill', (val, idx) => this.getBarColor(d, val, idx, rowIndex))
+          .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))
+          .on('mouseover', this.redirectEventToOverlay.bind(this))
+          .on('mousemove', this.redirectEventToOverlay.bind(this))
+          .on('mouseout', this.redirectEventToOverlay.bind(this))
+          .on('mousedown', () => { d3.event.stopPropagation(); });
 
         // render bar annotations, its all hardcoded
-        if(_.isEmpty(this.options.annotations)) {
+        if(_.isEmpty(this.options.barOptions.annotations)) {
           return;
         }
         // find all series for single matchedKey
-        const series = _.filter(this.series, serie => _.includes(d.serieTarget, serie.target));
+        const series = _.filter(this.series.visibleSeries, serie => _.includes(d.serieTarget, serie.target));
         const matchedKeys = _.map(series, serie => serie.matchedKey); // here matchedKeys should be equal
         const key = matchedKeys[0];
-        
+
         const lastRect = _.last(container.selectAll('rect')?.nodes());
-        const annotation = _.find(this.options.annotations, a => a.key === key);
+        const annotation = _.find(this.options.barOptions.annotations, a => a.key === key);
         if(!lastRect || !key || !annotation) {
           return;
         }
-        
+
         const rectSelection = d3.select(lastRect);
         // render triangle
         container.append('path')
           .attr('d', () => {
             const x = Math.ceil(_.toNumber(rectSelection.attr('x')));
             const y = Math.ceil(_.toNumber(rectSelection.attr('y')));
-            const options = { max: this.options.maxAnnotationSize, min: this.options.minAnnotationSize };
+            const options = { max: this.options.barOptions.maxAnnotationSize, min: this.options.barOptions.minAnnotationSize };
             return this.getTrianglePath(x, y, this.barWidth, options);
           })
-          .attr('fill', annotation.color);
+          .attr('fill', annotation.color)
+          .on('mouseover', this.redirectEventToOverlay.bind(this))
+          .on('mousemove', this.redirectEventToOverlay.bind(this))
+          .on('mouseout', this.redirectEventToOverlay.bind(this))
+          .on('mousedown', () => { d3.event.stopPropagation(); });
       });
   }
 
+  redirectEventToOverlay(): void {
+    this.overlay?.node().dispatchEvent(new MouseEvent(d3.event.type, d3.event));
+  }
+
   getTrianglePath(x: number, y: number, length: number, options?: { max: number, min: number }): string {
     // (x, y) - top left corner of bar
     const minTriangleSize = options?.min || 6;
@@ -111,8 +123,8 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
     const yOffset = 4; // offset between triangle and bar
     const centerX = x + length / 2;
     const correctedLength = _.clamp(length, minTriangleSize, maxTriagleSize);
-  
-    const topY = Math.max(y - correctedLength - yOffset, 4); 
+
+    const topY = Math.max(y - correctedLength - yOffset, 4);
     const topLeftCorner = {
       x: centerX - correctedLength / 2,
       y: topY,
@@ -132,10 +144,17 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
   }
 
   getBarOpacity(rowValues: RowValues): number {
-    if(this.options.opacityFormatter === undefined) {
+    if(this.options.barOptions.opacityFormatter === undefined) {
       return 1;
     }
-    return this.options.opacityFormatter(rowValues);
+    return this.options.barOptions.opacityFormatter(rowValues);
+  }
+
+  getBarColor(rowValues: RowValues, val: number, i: number, rowIndex: number): string {
+    if(_.isFunction(rowValues.colors[i])) {
+      return (rowValues.colors[i] as Function)({ rowData: rowValues, val, stackedIndex: i, rowIndex });
+    }
+    return (rowValues.colors[i] as string);
   }
 
   mergeMacthedSeriesAndSort(matchedSeries: any[]) {
@@ -155,27 +174,27 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
   }
 
   get seriesUniqKeys(): string[] {
-    if(this.visibleSeries.length === 0) {
+    if(!this.series.isSeriesAvailable) {
       return [];
     }
-    const keys = this.visibleSeries.map(serie => serie.matchedKey);
+    const keys = this.series.visibleSeries.map(serie => serie.matchedKey);
     const uniqKeys = _.uniq(keys);
     const filteredKeys = _.filter(uniqKeys, key => key !== undefined);
     return filteredKeys;
   }
 
-  get seriesForMatching(): BarTimeSerie[][] {
+  get seriesForMatching(): BarSerie[][] {
     if(this.seriesUniqKeys.length === 0) {
-      return [this.visibleSeries];
+      return [this.series.visibleSeries];
     }
     const seriesList = this.seriesUniqKeys.map(key => {
-      const seriesWithKey = _.filter(this.visibleSeries, serie => serie.matchedKey === key);
+      const seriesWithKey = _.filter(this.series.visibleSeries, serie => serie.matchedKey === key);
       return seriesWithKey;
     });
     return seriesList;
   }
 
-  getZippedDataForRender(series: BarTimeSerie[]): RowValues[] {
+  getZippedDataForRender(series: BarSerie[]): RowValues[] {
     if(series.length === 0) {
       throw new Error('There is no visible series');
     }
@@ -185,7 +204,7 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
     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 colors = _.map(series, serie => serie.colorFormatter || serie.color);
     const tagrets = _.map(series, serie => serie.target);
     const zippedData = _.zip(keysColumn, zippedValuesColumn, zippedAdditionalValuesColumn, tagrets);
     const data = _.map(zippedData, row => { return { key: row[0], values: row[1], additionalValues: row[2], colors, serieTarget: tagrets } });
@@ -195,7 +214,7 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
   public renderSharedCrosshair(values: { x?: number, y?: number }): void {
     this.crosshair.style('display', null);
 
-    const x = this.xScale(values.x);
+    const x = this.state.xScale(values.x);
     this.crosshair.select('#crosshair-line-x')
       .attr('x1', x)
       .attr('x2', x);
@@ -209,59 +228,40 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
     // TODO: mouse move work bad with matching
     const event = 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: d3.event.pageX,
-        y: d3.event.pageY,
-        time: this.xScale.invert(eventX),
-        series,
-        chartX: eventX,
-        chartWidth: this.width
-      });
-    } else {
-      console.log('mouse move, but there is no callback');
-    }
+    this.options.callbackMouseMove({
+      x: d3.event.pageX,
+      y: d3.event.pageY,
+      time: this.state.xScale.invert(eventX),
+      series,
+      chartX: eventX,
+      chartWidth: this.width
+    });
   }
 
   getSeriesPointFromMousePosition(eventX: number): any[] | undefined {
-    if(this.series === undefined || this.series.length === 0) {
+    if(!this.series.isSeriesAvailable) {
       return undefined;
     }
-    const mousePoisitionKey = Math.ceil(this.xScale.invert(eventX));
+    const mousePoisitionKey = Math.ceil(this.state.xScale.invert(eventX));
     const keys = _.map(this._seriesDataForRendring, el => el.key);
     const idx = findClosest(keys, mousePoisitionKey);
 
     return this._seriesDataForRendring[idx];
   }
 
-  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.options.callbackMouseOut();
     this.crosshair.style('display', 'none');
   }
 
@@ -272,30 +272,26 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
     const event = 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: d3.event.pageX,
-        y: d3.event.pageY,
-        time: this.xScale.invert(eventX),
-        series,
-        chartX: eventX
-      });
-    } else {
-      console.log('contextmenu, but there is no callback');
-    }
+    this.options.callbackContextMenu({
+      pageX: d3.event.pageX,
+      pageY: d3.event.pageY,
+      xVal: this.state.xScale.invert(eventX),
+      series,
+      chartX: eventX
+    });
   }
 
   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)[0];
-    let width = this.xScale(xAxisStartValue + this.timeInterval) / 2;
-    if(this.options.barWidth !== undefined) {
+    const xAxisStartValue = _.first(this.series.visibleSeries[0].datapoints)[0];
+    const xAxisEndValue = _.last(this.series.visibleSeries[0].datapoints)[0];
+    const timeInterval = (xAxisEndValue - xAxisStartValue) / this.series.visibleSeries[0].datapoints.length;
+    let width = this.state.xScale(timeInterval) / 2;
+    if(this.options.barOptions.barWidth !== undefined) {
       // barWidth now has axis-x dimension
-      width = this.xScale(this.state.getMinValueX() + this.options.barWidth);
+      width = this.state.xScale(this.state.getMinValueX() + this.options.barOptions.barWidth);
     }
-    let rectColumns = this.visibleSeries.length;
-    if(this.options.stacked === true) {
+    let rectColumns = this.series.visibleSeries.length;
+    if(this.options.barOptions.stacked === true) {
       rectColumns = 1;
     }
     return this.updateBarWidthWithBorders(width / rectColumns);
@@ -303,11 +299,11 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
 
   updateBarWidthWithBorders(width: number): number {
     let barWidth = width;
-    if(this.options.minBarWidth !== undefined) {
-      barWidth = Math.max(barWidth, this.options.minBarWidth);
+    if(this.options.barOptions.minBarWidth !== undefined) {
+      barWidth = Math.max(barWidth, this.options.barOptions.minBarWidth);
     }
-    if(this.options.maxBarWidth !== undefined) {
-      barWidth = Math.min(barWidth, this.options.maxBarWidth);
+    if(this.options.barOptions.maxBarWidth !== undefined) {
+      barWidth = Math.min(barWidth, this.options.barOptions.maxBarWidth);
     }
     return barWidth;
   }
@@ -320,8 +316,8 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
   }
 
   getBarPositionX(key: number, idx: number): number {
-    let xPosition: number = this.xScale(key);
-    if(this.options.stacked === false) {
+    let xPosition: number = this.state.xScale(key);
+    if(this.options.barOptions.stacked === false) {
       xPosition += idx * this.barWidth;
     }
     return xPosition;
@@ -329,7 +325,7 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
 
   getBarPositionY(val: number, idx: number, values: number[]): number {
     let yPosition: number = this.barYScale(Math.max(val, 0));
-    if(this.options.stacked === true) {
+    if(this.options.barOptions.stacked === true) {
       const previousBarsHeight = _.sum(
         _.map(_.range(idx), i => this.getBarHeight(values[i]))
       );
@@ -354,15 +350,15 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
   }
 
   getYMaxValue(): number | undefined {
-    if(this.series === undefined || this.series.length === 0 || this.series[0].datapoints.length === 0) {
+    if(!this.series.isSeriesAvailable) {
       return undefined;
     }
-    if(this.options.axis.y !== undefined && this.options.axis.y.range !== undefined) {
+    if(this.options.axis.y.range) {
       return _.max(this.options.axis.y.range);
     }
     let maxValue: number;
-    if(this.options.stacked === true) {
-      if(this.options.matching === true && this.seriesUniqKeys.length > 0) {
+    if(this.options.barOptions.stacked === true) {
+      if(this.options.barOptions.matching === true && this.seriesUniqKeys.length > 0) {
         const maxValues = this.seriesForMatching.map(series => {
           const valuesColumns = _.map(series, serie => _.map(serie.datapoints, row => row[1]));
           const zippedValuesColumn = _.zip(...valuesColumns);
@@ -370,14 +366,13 @@ export class ChartwerkBarPod extends ChartwerkPod<BarTimeSerie, BarOptions> {
         });
         return _.max(maxValues);
       } else {
-        const valuesColumns = _.map(this.visibleSeries, serie => _.map(serie.datapoints, row => row[1]));
+        const valuesColumns = _.map(this.series.visibleSeries, serie => _.map(serie.datapoints, row => row[1]));
         const zippedValuesColumn = _.zip(...valuesColumns);
-        maxValue = _.max(_.map(zippedValuesColumn, row => _.sum(row))); 
+        maxValue = _.max(_.map(zippedValuesColumn, row => _.sum(row)));
       }
     } else {
-      console.log('else')
       maxValue = _.max(
-        this.visibleSeries.map(
+        this.series.visibleSeries.map(
           serie => _.maxBy<number[]>(serie.datapoints, dp => dp[1])[0]
         )
       );
@@ -409,4 +404,4 @@ export const VueChartwerkBarChartObject = {
   }
 };
 
-export { BarTimeSerie, BarOptions, TimeFormat, AxisFormat };
+export { BarSerie, BarOptions, TimeFormat, AxisFormat };

src/models/bar_options.ts

@@ -1,29 +1,50 @@
-import { CoreSeries } from '@chartwerk/core';
-import { ScatterData, PointType, LineType } from '../types';
+import { CoreOptions } from '@chartwerk/core';
+import { BarOptions, BarAdditionalOptions } from '../types';
 
 import * as _ from 'lodash';
 
-const DEFAULT_POINT_SIZE = 4;
-
-const SCATTER_DATA_DEFAULTS = {
-  pointType: PointType.CIRCLE,
-  lineType: LineType.NONE,
-  pointSize: DEFAULT_POINT_SIZE,
-  colorFormatter: undefined
+const BAR_SERIE_DEFAULTS = {
+  renderBarLabels: false,
+  stacked: false,
+  barWidth: undefined,
+  maxBarWidth: undefined,
+  minBarWidth: undefined,
+  maxAnnotationSize: undefined,
+  minAnnotationSize: undefined,
+  matching: false,
+  opacityFormatter: undefined,
+  annotations: [],
 };
 
-export class ScatterSeries extends CoreSeries<ScatterData> {
+export class BarConfig extends CoreOptions<BarOptions> {
+
+  constructor(options: BarOptions) {
+    super(options, BAR_SERIE_DEFAULTS);
+  }
 
-  constructor(series: ScatterData[]) {
-    super(series);
+  get barOptions(): BarAdditionalOptions {
+    return {
+      renderBarLabels: this._options.renderBarLabels,
+      stacked: this._options.stacked,
+      barWidth: this._options.barWidth,
+      maxBarWidth: this._options.maxBarWidth,
+      minBarWidth: this._options.minBarWidth,
+      maxAnnotationSize: this._options.maxAnnotationSize,
+      minAnnotationSize: this._options.minAnnotationSize,
+      matching: this._options.matching,
+      opacityFormatter: this._options.opacityFormatter,
+      annotations: this._options.annotations,
+    }
   }
 
-  protected get defaults(): ScatterData {
-    return { ...this._coreDefaults, ...SCATTER_DATA_DEFAULTS };
+  // event callbacks
+  callbackContextMenu(data: any): void {
+    if(_.has(this._options.eventsCallbacks, 'contextMenu')) {
+      this._options.eventsCallbacks.contextMenu(data);
+    }
   }
 
-  // move to parent
-  public getSerieByTarget(target: string): ScatterData | undefined {
-    return _.find(this.visibleSeries, serie => serie.target === target);
+  get contextMenu(): (evt: any) => void {
+    return this._options.eventsCallbacks.contextMenu;
   }
 }

src/models/bar_series.ts

@@ -1,29 +1,15 @@
 import { CoreSeries } from '@chartwerk/core';
-import { ScatterData, PointType, LineType } from '../types';
+import { BarSerie } from '../types';
 
-import * as _ from 'lodash';
 
-const DEFAULT_POINT_SIZE = 4;
-
-const SCATTER_DATA_DEFAULTS = {
-  pointType: PointType.CIRCLE,
-  lineType: LineType.NONE,
-  pointSize: DEFAULT_POINT_SIZE,
+const BAR_SERIE_DEFAULTS = {
+  matchedKey: undefined,
   colorFormatter: undefined
 };
 
-export class ScatterSeries extends CoreSeries<ScatterData> {
-
-  constructor(series: ScatterData[]) {
-    super(series);
-  }
-
-  protected get defaults(): ScatterData {
-    return { ...this._coreDefaults, ...SCATTER_DATA_DEFAULTS };
-  }
+export class BarSeries extends CoreSeries<BarSerie> {
 
-  // move to parent
-  public getSerieByTarget(target: string): ScatterData | undefined {
-    return _.find(this.visibleSeries, serie => serie.target === target);
+  constructor(series: BarSerie[]) {
+    super(series, BAR_SERIE_DEFAULTS);
   }
 }

src/types.ts

@@ -5,27 +5,30 @@ export type BarSerieParams = {
   colorFormatter: (serie: BarSerie) => string;
 }
 export type BarSerie = Serie & Partial<BarSerieParams>;
-export type BarOptionsParams = {
-  renderBarLabels: boolean;
-  stacked: boolean;
-  barWidth: number; // width in x axis unit
-  maxBarWidth: number; // in px
-  minBarWidth: number; // in px
-  maxAnnotationSize: number; // in px TODO: move to annotaions
-  minAnnotationSize: number; // in px
-  matching: boolean;
-  opacityFormatter: (data: RowValues) => number;
-  annotations: {
+export type BarAdditionalOptions = {
+  renderBarLabels?: boolean;
+  stacked?: boolean;
+  barWidth?: number; // width in x axis unit
+  maxBarWidth?: number; // in px
+  minBarWidth?: number; // in px
+  maxAnnotationSize?: number; // in px TODO: move to annotaions
+  minAnnotationSize?: number; // in px
+  matching?: boolean;
+  opacityFormatter?: (data: RowValues) => number;
+  annotations?: {
     key: string, // matchedKey from series
      // TODO: add  enum with "triangle" option 
     color: string,
   }[];
+  eventsCallbacks?: {
+    contextMenu?: (data: any) => void;
+  }
 }
-export type BarOptions = Options & Partial<BarOptionsParams>;
+export type BarOptions = Options & Partial<BarAdditionalOptions>;
 export type RowValues = {
   key: number,
   values: number[],
   additionalValues: (null | number)[], // values in datapoints third column
-  colors: string[],
+  colors: (string | ((data: any) => string))[],
   serieTarget: string[],
 }