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Merge pull request #381 from highcharts/bugfix/chartInstance-emitter
bugfix/chartInstance-emitter
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,19 +1,19 @@ | ||
| <h2>Demo #1: Highcharts with a basic editor</h2> | ||
| <article> | ||
| <section> | ||
| <textarea rows="16" cols="50" | ||
| [(ngModel)]="optFromInputString" | ||
| ></textarea> | ||
| <textarea rows="16" cols="50" [(ngModel)]="optFromInputString"></textarea> | ||
| <div class="buttons-wrapper"> | ||
| <button (click)="updateInputChart()">Update chart</button> | ||
| <button (click)="toggleSeriesType()">1st series type toggle</button> | ||
| <button [disabled]="!showChart" (click)="updateInputChart()">Update chart</button> | ||
| <button [disabled]="!showChart" (click)="toggleSeriesType()">1st series type toggle</button> | ||
| <button (click)="toggleChart()">{{ toggleButtonTitle }}</button> | ||
| </div> | ||
| </section> | ||
| <highcharts-chart | ||
| <highcharts-chart | ||
| *ngIf="showChart" | ||
| [Highcharts]="Highcharts" | ||
| [options]="optFromInput" | ||
| [(update)]="updateFromInput" | ||
| [oneToOne]=true | ||
| [oneToOne]="true" | ||
| (chartInstance)="logChartInstance($event)" | ||
| ></highcharts-chart> | ||
| </article> | ||
| </article> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,58 +1,67 @@ | ||
| import { Component } from '@angular/core'; | ||
| import * as Highcharts from 'highcharts'; | ||
| import HC_customEvents from 'highcharts-custom-events'; | ||
| import { Component } from "@angular/core"; | ||
| import * as Highcharts from "highcharts"; | ||
| import HC_customEvents from "highcharts-custom-events"; | ||
| HC_customEvents(Highcharts); | ||
|
|
||
| @Component({ | ||
| selector: 'app-line-chart', | ||
| templateUrl: './line-chart.component.html', | ||
| styleUrls: ['./line-chart.component.css'] | ||
| selector: "app-line-chart", | ||
| templateUrl: "./line-chart.component.html", | ||
| styleUrls: ["./line-chart.component.css"], | ||
| }) | ||
| export class LineChartComponent { | ||
| Highcharts: typeof Highcharts = Highcharts; // Highcharts, it's Highcharts | ||
| public Highcharts: typeof Highcharts = Highcharts; | ||
| public updateFromInput = false; | ||
| public showChart = true; | ||
| public toggleButtonTitle = "Destroy chart"; | ||
|
|
||
| optFromInputString: string = ` | ||
| { | ||
| "title": { "text": "Highcharts chart" }, | ||
| "series": [{ | ||
| "data": [11,2,3], | ||
| "zones": [{ | ||
| "value": 7.2, | ||
| "dashStyle": "dot", | ||
| "color": "red" | ||
| private optFromInputString = ` | ||
| { | ||
| "title": { "text": "Highcharts chart" }, | ||
| "series": [{ | ||
| "data": [11,2,3], | ||
| "zones": [{ | ||
| "value": 7.2, | ||
| "dashStyle": "dot", | ||
| "color": "red" | ||
| }] | ||
| }, { | ||
| "data": [5,6,7] | ||
| }] | ||
| }, { | ||
| "data": [5,6,7] | ||
| }] | ||
| } | ||
| } | ||
| `; | ||
| private optFromInput: Highcharts.Options = JSON.parse( | ||
| this.optFromInputString, | ||
| ); | ||
| private seriesTypes = { | ||
| line: "column", | ||
| column: "scatter", | ||
| scatter: "spline", | ||
| spline: "line", | ||
| }; | ||
|
|
||
| optFromInput: Highcharts.Options = JSON.parse(this.optFromInputString); | ||
| updateFromInput: boolean = false; | ||
| // Demonstrate chart instance | ||
| public logChartInstance(chart: Highcharts.Chart) { | ||
| if (chart) { | ||
| console.log("Chart instance received:", chart); | ||
| } else { | ||
| console.log("Chart instance destroyed"); | ||
| } | ||
| } | ||
|
|
||
| // Demonstrate chart instance | ||
| logChartInstance(chart: Highcharts.Chart) { | ||
| console.log('Chart instance: ', chart); | ||
| } | ||
|
|
||
| updateInputChart() { | ||
| this.optFromInput = JSON.parse(this.optFromInputString); | ||
| } | ||
|
|
||
| seriesTypes: {[key: string]: string} = { | ||
| line: 'column', | ||
| column: 'scatter', | ||
| scatter: 'spline', | ||
| spline: 'line' | ||
| }; | ||
|
|
||
| toggleSeriesType(index: number = 0) { | ||
| this.optFromInput.series[index].type = | ||
| this.seriesTypes[this.optFromInput.series[index].type || 'line'] as | ||
| 'column' | 'scatter' | 'spline' | 'line'; | ||
| // nested change - must trigger update | ||
| this.updateFromInput = true; | ||
| } | ||
| public updateInputChart() { | ||
| this.optFromInput = JSON.parse(this.optFromInputString); | ||
| } | ||
|
|
||
| public toggleSeriesType(index = 0) { | ||
| this.optFromInput.series[index].type = this.seriesTypes[ | ||
| this.optFromInput.series[index].type || "line" | ||
| ] as keyof typeof this.seriesTypes; | ||
| // nested change - must trigger update | ||
| this.updateFromInput = true; | ||
| } | ||
|
|
||
| public toggleChart() { | ||
| this.showChart = !this.showChart; | ||
| this.toggleButtonTitle = this.showChart ? "Destroy chart" : "Recreate chart"; | ||
| } | ||
| } |