{"version":3,"file":"primeng-chart.umd.js","sources":["ng://primeng/chart/chart.ts"],"sourcesContent":["import {NgModule,Component,ElementRef,AfterViewInit,OnDestroy,Input,Output,EventEmitter,ChangeDetectionStrategy} 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.Default\n})\nexport class UIChart implements AfterViewInit, OnDestroy {\n\n    @Input() type: string;\n\n    @Input() options: any = {};\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    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    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 { 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