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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 |
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@@ -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 |
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@@ -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); | ||
} | ||
|
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seriesTypes: {[key: string]: string} = { | ||
line: 'column', | ||
column: 'scatter', | ||
scatter: 'spline', | ||
spline: 'line' | ||
}; | ||
|
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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); | ||
} | ||
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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"; | ||
} | ||
} |