primeng/esm2015/chart/chart.js

[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [![npm downloads](https://img.shields.io/npm/dm/primeng.sv

import { NgModule, Component, ElementRef, Input, Output, EventEmitter, ChangeDetectionStrategy, ViewEncapsulation } from '@angular/core';
import { CommonModule } from '@angular/common';
import * as Chart from 'chart.js';
export class UIChart {
    constructor(el) {
        this.el = el;
        this.plugins = [];
        this.responsive = true;
        this.onDataSelect = new EventEmitter();
        this._options = {};
    }
    get data() {
        return this._data;
    }
    set data(val) {
        this._data = val;
        this.reinit();
    }
    get options() {
        return this._options;
    }
    set options(val) {
        this._options = val;
        this.reinit();
    }
    ngAfterViewInit() {
        this.initChart();
        this.initialized = true;
    }
    onCanvasClick(event) {
        if (this.chart) {
            let element = this.chart.getElementAtEvent(event);
            let dataset = this.chart.getDatasetAtEvent(event);
            if (element && element[0] && dataset) {
                this.onDataSelect.emit({ originalEvent: event, element: element[0], dataset: dataset });
            }
        }
    }
    initChart() {
        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;
        }
    }
}
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
            },] }
];
UIChart.ctorParameters = () => [
    { type: ElementRef }
];
UIChart.propDecorators = {
    type: [{ type: Input }],
    plugins: [{ type: Input }],
    width: [{ type: Input }],
    height: [{ type: Input }],
    responsive: [{ type: Input }],
    onDataSelect: [{ type: Output }],
    data: [{ type: Input }],
    options: [{ type: Input }]
};
export class ChartModule {
}
ChartModule.decorators = [
    { type: NgModule, args: [{
                imports: [CommonModule],
                exports: [UIChart],
                declarations: [UIChart]
            },] }
];
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"chart.js","sourceRoot":"../../../src/app/components/chart/","sources":["chart.ts"],"names":[],"mappings":"AAAA,OAAO,EAAC,QAAQ,EAAC,SAAS,EAAC,UAAU,EAAyB,KAAK,EAAC,MAAM,EAAC,YAAY,EAAC,uBAAuB,EAAE,iBAAiB,EAAC,MAAM,eAAe,CAAC;AACzJ,OAAO,EAAC,YAAY,EAAC,MAAM,iBAAiB,CAAC;AAC7C,OAAO,KAAK,KAAK,MAAM,UAAU,CAAC;AAYlC,MAAM,OAAO,OAAO;IAsBhB,YAAmB,EAAc;QAAd,OAAE,GAAF,EAAE,CAAY;QAlBxB,YAAO,GAAU,EAAE,CAAC;QAMpB,eAAU,GAAY,IAAI,CAAC;QAE1B,iBAAY,GAAsB,IAAI,YAAY,EAAE,CAAC;QAM/D,aAAQ,GAAQ,EAAE,CAAC;IAIiB,CAAC;IAErC,IAAa,IAAI;QACb,OAAO,IAAI,CAAC,KAAK,CAAC;IACtB,CAAC;IAED,IAAI,IAAI,CAAC,GAAO;QACZ,IAAI,CAAC,KAAK,GAAG,GAAG,CAAC;QACjB,IAAI,CAAC,MAAM,EAAE,CAAC;IAClB,CAAC;IAED,IAAa,OAAO;QAChB,OAAO,IAAI,CAAC,QAAQ,CAAC;IACzB,CAAC;IAED,IAAI,OAAO,CAAC,GAAO;QACf,IAAI,CAAC,QAAQ,GAAG,GAAG,CAAC;QACpB,IAAI,CAAC,MAAM,EAAE,CAAC;IAClB,CAAC;IAED,eAAe;QACX,IAAI,CAAC,SAAS,EAAE,CAAC;QACjB,IAAI,CAAC,WAAW,GAAG,IAAI,CAAC;IAC5B,CAAC;IAED,aAAa,CAAC,KAAK;QACf,IAAI,IAAI,CAAC,KAAK,EAAE;YACZ,IAAI,OAAO,GAAG,IAAI,CAAC,KAAK,CAAC,iBAAiB,CAAC,KAAK,CAAC,CAAC;YAClD,IAAI,OAAO,GAAG,IAAI,CAAC,KAAK,CAAC,iBAAiB,CAAC,KAAK,CAAC,CAAC;YAClD,IAAI,OAAO,IAAI,OAAO,CAAC,CAAC,CAAC,IAAI,OAAO,EAAE;gBAClC,IAAI,CAAC,YAAY,CAAC,IAAI,CAAC,EAAC,aAAa,EAAE,KAAK,EAAE,OAAO,EAAE,OAAO,CAAC,CAAC,CAAC,EAAE,OAAO,EAAE,OAAO,EAAC,CAAC,CAAC;aACzF;SACJ;IACL,CAAC;IAED,SAAS;QACL,IAAI,IAAI,GAAG,IAAI,CAAC,OAAO,IAAE,EAAE,CAAC;QAC5B,IAAI,CAAC,UAAU,GAAG,IAAI,CAAC,UAAU,CAAC;QAElC,4CAA4C;QAC5C,IAAI,IAAI,CAAC,UAAU,IAAE,CAAC,IAAI,CAAC,MAAM,IAAE,IAAI,CAAC,KAAK,CAAC,EAAE;YAC5C,IAAI,CAAC,mBAAmB,GAAG,KAAK,CAAC;SACpC;QAED,IAAI,CAAC,KAAK,GAAG,IAAI,KAAK,CAAC,IAAI,CAAC,EAAE,CAAC,aAAa,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC,EAAE;YAClE,IAAI,EAAE,IAAI,CAAC,IAAI;YACf,IAAI,EAAE,IAAI,CAAC,IAAI;YACf,OAAO,EAAE,IAAI,CAAC,OAAO;YACrB,OAAO,EAAE,IAAI,CAAC,OAAO;SACxB,CAAC,CAAC;IACP,CAAC;IAED,SAAS;QACL,OAAO,IAAI,CAAC,EAAE,CAAC,aAAa,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC;IACzD,CAAC;IAED,cAAc;QACV,OAAO,IAAI,CAAC,KAAK,CAAC,aAAa,EAAE,CAAC;IACtC,CAAC;IAED,cAAc;QACV,IAAI,IAAI,CAAC,KAAK,EAAE;YACZ,OAAO,IAAI,CAAC,KAAK,CAAC,cAAc,EAAE,CAAC;SACtC;IACL,CAAC;IAED,OAAO;QACH,IAAI,IAAI,CAAC,KAAK,EAAE;YACZ,IAAI,CAAC,KAAK,CAAC,MAAM,EAAE,CAAC;SACvB;IACL,CAAC;IAED,MAAM;QACF,IAAI,IAAI,CAAC,KAAK,EAAE;YACZ,IAAI,CAAC,KAAK,CAAC,OAAO,EAAE,CAAC;YACrB,IAAI,CAAC,SAAS,EAAE,CAAC;SACpB;IACL,CAAC;IAED,WAAW;QACP,IAAI,IAAI,CAAC,KAAK,EAAE;YACZ,IAAI,CAAC,KAAK,CAAC,OAAO,EAAE,CAAC;YACrB,IAAI,CAAC,WAAW,GAAG,KAAK,CAAC;YACzB,IAAI,CAAC,KAAK,GAAG,IAAI,CAAC;SACrB;IACL,CAAC;;;YArHJ,SAAS,SAAC;gBACP,QAAQ,EAAE,SAAS;gBACnB,QAAQ,EAAE;;;;KAIT;gBACD,eAAe,EAAE,uBAAuB,CAAC,MAAM;gBAC/C,aAAa,EAAE,iBAAiB,CAAC,IAAI;aACxC;;;YAb0B,UAAU;;;mBAgBhC,KAAK;sBAEL,KAAK;oBAEL,KAAK;qBAEL,KAAK;yBAEL,KAAK;2BAEL,MAAM;mBAYN,KAAK;sBASL,KAAK;;AAkFV,MAAM,OAAO,WAAW;;;YALvB,QAAQ,SAAC;gBACN,OAAO,EAAE,CAAC,YAAY,CAAC;gBACvB,OAAO,EAAE,CAAC,OAAO,CAAC;gBAClB,YAAY,EAAE,CAAC,OAAO,CAAC;aAC1B","sourcesContent":["import {NgModule,Component,ElementRef,AfterViewInit,OnDestroy,Input,Output,EventEmitter,ChangeDetectionStrategy, ViewEncapsulation} from '@angular/core';\nimport {CommonModule} from '@angular/common';\nimport * as Chart from 'chart.js';\n\n@Component({\n    selector: 'p-chart',\n    template: `\n        <div style=\"position:relative\" [style.width]=\"responsive && !width ? 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})\nexport class UIChart implements AfterViewInit, OnDestroy {\n\n    @Input() type: string;\n\n    @Input() plugins: any[] = [];\n    \n    @Input() width: string;\n    \n    @Input() height: string;\n\n    @Input() responsive: boolean = true;\n    \n    @Output() onDataSelect: EventEmitter<any> = new EventEmitter();\n\n    initialized: boolean;\n    \n    _data: any;\n\n    _options: any = {};\n\n    chart: any;\n\n    constructor(public el: ElementRef) {}\n    \n    @Input() get data(): any {\n        return this._data;\n    }\n\n    set data(val:any) {\n        this._data = val;\n        this.reinit();\n    }\n\n    @Input() get options(): any {\n        return this._options;\n    }\n\n    set options(val:any) {\n        this._options = val;\n        this.reinit();\n    }\n\n    ngAfterViewInit() {\n        this.initChart();\n        this.initialized = true;\n    }\n\n    onCanvasClick(event) {\n        if (this.chart) {\n            let element = this.chart.getElementAtEvent(event);\n            let dataset = this.chart.getDatasetAtEvent(event);\n            if (element && element[0] && dataset) {\n                this.onDataSelect.emit({originalEvent: event, element: element[0], dataset: dataset});\n            }\n        }\n    }\n\n    initChart() {\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    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"]}