primeng
Version:
[](https://badge.fury.io/js/primeng) [](https://www.npmjs.com/package/primeng) [ {
return this._data;
}
set data(val) {
this._data = val;
this.reinit();
}
/**
* Options to customize the chart.
* @group Props
*/
get options() {
return this._options;
}
set options(val) {
this._options = val;
this.reinit();
}
/**
* Callback to execute when an element on chart is clicked.
* @group Emits
*/
onDataSelect = new EventEmitter();
isBrowser = false;
initialized;
_data;
_options = {};
chart;
constructor(platformId, el) {
this.platformId = platformId;
this.el = el;
}
ngAfterViewInit() {
this.initChart();
this.initialized = true;
}
onCanvasClick(event) {
if (this.chart) {
const element = this.chart.getElementsAtEventForMode(event, 'nearest', { intersect: true }, false);
const dataset = this.chart.getElementsAtEventForMode(event, 'dataset', { intersect: true }, false);
if (element && element[0] && dataset) {
this.onDataSelect.emit({ originalEvent: event, element: element[0], dataset: dataset });
}
}
}
initChart() {
if (isPlatformBrowser(this.platformId)) {
let opts = this.options || {};
opts.responsive = this.responsive;
// allows chart to resize in responsive mode
if (opts.responsive && (this.height || this.width)) {
opts.maintainAspectRatio = false;
}
this.chart = new Chart(this.el.nativeElement.children[0].children[0], {
type: this.type,
data: this.data,
options: this.options,
plugins: this.plugins
});
}
}
getCanvas() {
return this.el.nativeElement.children[0].children[0];
}
getBase64Image() {
return this.chart.toBase64Image();
}
generateLegend() {
if (this.chart) {
return this.chart.generateLegend();
}
}
refresh() {
if (this.chart) {
this.chart.update();
}
}
reinit() {
if (this.chart) {
this.chart.destroy();
this.initChart();
}
}
ngOnDestroy() {
if (this.chart) {
this.chart.destroy();
this.initialized = false;
this.chart = null;
}
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.2", ngImport: i0, type: UIChart, deps: [{ token: PLATFORM_ID }, { token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Component });
static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "16.0.2", type: UIChart, selector: "p-chart", inputs: { type: "type", plugins: "plugins", width: "width", height: "height", responsive: "responsive", data: "data", options: "options" }, outputs: { onDataSelect: "onDataSelect" }, host: { classAttribute: "p-element" }, ngImport: i0, template: `
<div style="position:relative" [style.width]="responsive && !width ? null : width" [style.height]="responsive && !height ? null : height">
<canvas [attr.width]="responsive && !width ? null : width" [attr.height]="responsive && !height ? null : height" (click)="onCanvasClick($event)"></canvas>
</div>
`, isInline: true, changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
export { UIChart };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.2", ngImport: i0, type: UIChart, decorators: [{
type: Component,
args: [{
selector: 'p-chart',
template: `
<div style="position:relative" [style.width]="responsive && !width ? null : width" [style.height]="responsive && !height ? null : height">
<canvas [attr.width]="responsive && !width ? null : width" [attr.height]="responsive && !height ? null : height" (click)="onCanvasClick($event)"></canvas>
</div>
`,
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
host: {
class: 'p-element'
}
}]
}], ctorParameters: function () { return [{ type: undefined, decorators: [{
type: Inject,
args: [PLATFORM_ID]
}] }, { type: i0.ElementRef }]; }, propDecorators: { type: [{
type: Input
}], plugins: [{
type: Input
}], width: [{
type: Input
}], height: [{
type: Input
}], responsive: [{
type: Input
}], data: [{
type: Input
}], options: [{
type: Input
}], onDataSelect: [{
type: Output
}] } });
class ChartModule {
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.2", ngImport: i0, type: ChartModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
static ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "16.0.2", ngImport: i0, type: ChartModule, declarations: [UIChart], imports: [CommonModule], exports: [UIChart] });
static ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "16.0.2", ngImport: i0, type: ChartModule, imports: [CommonModule] });
}
export { ChartModule };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.2", ngImport: i0, type: ChartModule, decorators: [{
type: NgModule,
args: [{
imports: [CommonModule],
exports: [UIChart],
declarations: [UIChart]
}]
}] });
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null : width\" [style.height]=\"responsive && !height ? null : height\">\n            <canvas [attr.width]=\"responsive && !width ? null : width\" [attr.height]=\"responsive && !height ? null : height\" (click)=\"onCanvasClick($event)\"></canvas>\n        </div>\n    `,\n    changeDetection: ChangeDetectionStrategy.OnPush,\n    encapsulation: ViewEncapsulation.None,\n    host: {\n        class: 'p-element'\n    }\n})\nexport class UIChart implements AfterViewInit, OnDestroy {\n    /**\n     * Type of the chart.\n     * @group Props\n     */\n    @Input() type: string | undefined;\n    /**\n     * Array of per-chart plugins to customize the chart behaviour.\n     * @group Props\n     */\n    @Input() plugins: any[] = [];\n    /**\n     * Width of the chart.\n     * @group Props\n     */\n    @Input() width: string | undefined;\n    /**\n     * Height of the chart.\n     * @group Props\n     */\n    @Input() height: string | undefined;\n    /**\n     * Whether the chart is redrawn on screen size change.\n     * @group Props\n     */\n    @Input() responsive: boolean = true;\n    /**\n     * Data to display.\n     * @group Props\n     */\n    @Input() get data(): any {\n        return this._data;\n    }\n    set data(val: any) {\n        this._data = val;\n        this.reinit();\n    }\n    /**\n     * Options to customize the chart.\n     * @group Props\n     */\n    @Input() get options(): any {\n        return this._options;\n    }\n    set options(val: any) {\n        this._options = val;\n        this.reinit();\n    }\n    /**\n     * Callback to execute when an element on chart is clicked.\n     * @group Emits\n     */\n    @Output() onDataSelect: EventEmitter<any> = new EventEmitter<any>();\n\n    isBrowser: boolean = false;\n\n    initialized: boolean | undefined;\n\n    _data: any;\n\n    _options: any = {};\n\n    chart: any;\n\n    constructor(@Inject(PLATFORM_ID) private platformId: any, public el: ElementRef) {}\n\n    ngAfterViewInit() {\n        this.initChart();\n        this.initialized = true;\n    }\n\n    onCanvasClick(event: Event) {\n        if (this.chart) {\n            const element = this.chart.getElementsAtEventForMode(event, 'nearest', { intersect: true }, false);\n            const dataset = this.chart.getElementsAtEventForMode(event, 'dataset', { intersect: true }, false);\n\n            if (element && element[0] && dataset) {\n                this.onDataSelect.emit({ originalEvent: event, element: element[0], dataset: dataset });\n            }\n        }\n    }\n\n    initChart() {\n        if (isPlatformBrowser(this.platformId)) {\n            let opts = this.options || {};\n            opts.responsive = this.responsive;\n\n            // allows chart to resize in responsive mode\n            if (opts.responsive && (this.height || this.width)) {\n                opts.maintainAspectRatio = false;\n            }\n\n            this.chart = new Chart(this.el.nativeElement.children[0].children[0], {\n                type: this.type,\n                data: this.data,\n                options: this.options,\n                plugins: this.plugins\n            });\n        }\n    }\n\n    getCanvas() {\n        return this.el.nativeElement.children[0].children[0];\n    }\n\n    getBase64Image() {\n        return this.chart.toBase64Image();\n    }\n\n    generateLegend() {\n        if (this.chart) {\n            return this.chart.generateLegend();\n        }\n    }\n\n    refresh() {\n        if (this.chart) {\n            this.chart.update();\n        }\n    }\n\n    reinit() {\n        if (this.chart) {\n            this.chart.destroy();\n            this.initChart();\n        }\n    }\n\n    ngOnDestroy() {\n        if (this.chart) {\n            this.chart.destroy();\n            this.initialized = false;\n            this.chart = null;\n        }\n    }\n}\n\n@NgModule({\n    imports: [CommonModule],\n    exports: [UIChart],\n    declarations: [UIChart]\n})\nexport class ChartModule {}\n"]}