gnezim
125 lines
3.5 KiB
JavaScript
125 lines
3.5 KiB
JavaScript
import { EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, ElementRef, Input, Output, NgModule } from '@angular/core';
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import { CommonModule } from '@angular/common';
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import * as Chart from 'chart.js';
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class UIChart {
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constructor(el) {
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this.el = el;
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this.plugins = [];
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this.responsive = true;
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this.onDataSelect = new EventEmitter();
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this._options = {};
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}
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get data() {
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return this._data;
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}
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set data(val) {
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this._data = val;
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this.reinit();
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}
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get options() {
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return this._options;
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}
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set options(val) {
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this._options = val;
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this.reinit();
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}
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ngAfterViewInit() {
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this.initChart();
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this.initialized = true;
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}
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onCanvasClick(event) {
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if (this.chart) {
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let element = this.chart.getElementAtEvent(event);
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let dataset = this.chart.getDatasetAtEvent(event);
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if (element && element[0] && dataset) {
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this.onDataSelect.emit({ originalEvent: event, element: element[0], dataset: dataset });
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}
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}
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}
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initChart() {
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let opts = this.options || {};
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opts.responsive = this.responsive;
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// allows chart to resize in responsive mode
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if (opts.responsive && (this.height || this.width)) {
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opts.maintainAspectRatio = false;
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}
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this.chart = new Chart(this.el.nativeElement.children[0].children[0], {
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type: this.type,
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data: this.data,
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options: this.options,
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plugins: this.plugins
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});
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}
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getCanvas() {
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return this.el.nativeElement.children[0].children[0];
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}
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getBase64Image() {
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return this.chart.toBase64Image();
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}
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generateLegend() {
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if (this.chart) {
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return this.chart.generateLegend();
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}
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}
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refresh() {
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if (this.chart) {
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this.chart.update();
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}
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}
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reinit() {
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if (this.chart) {
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this.chart.destroy();
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this.initChart();
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}
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}
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ngOnDestroy() {
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if (this.chart) {
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this.chart.destroy();
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this.initialized = false;
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this.chart = null;
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}
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}
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}
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UIChart.decorators = [
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{ type: Component, args: [{
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selector: 'p-chart',
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template: `
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<div style="position:relative" [style.width]="responsive && !width ? null : width" [style.height]="responsive && !height ? null : height">
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<canvas [attr.width]="responsive && !width ? null : width" [attr.height]="responsive && !height ? null : height" (click)="onCanvasClick($event)"></canvas>
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</div>
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`,
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changeDetection: ChangeDetectionStrategy.OnPush,
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encapsulation: ViewEncapsulation.None
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},] }
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];
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UIChart.ctorParameters = () => [
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{ type: ElementRef }
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];
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UIChart.propDecorators = {
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type: [{ type: Input }],
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plugins: [{ type: Input }],
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width: [{ type: Input }],
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height: [{ type: Input }],
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responsive: [{ type: Input }],
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onDataSelect: [{ type: Output }],
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data: [{ type: Input }],
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options: [{ type: Input }]
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};
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class ChartModule {
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}
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ChartModule.decorators = [
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{ type: NgModule, args: [{
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imports: [CommonModule],
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exports: [UIChart],
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declarations: [UIChart]
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},] }
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];
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/**
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* Generated bundle index. Do not edit.
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*/
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export { ChartModule, UIChart };
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//# sourceMappingURL=primeng-chart.js.map
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