scichart-angular
Version:
Angular wrapper for SciChart JS
108 lines • 14.7 kB
JavaScript
import { Component, EventEmitter, Input, Output, ViewChild } from '@angular/core';
import { CommonModule } from '@angular/common';
import { ScichartFallbackComponent } from './scichart-fallback.component';
import { createChartFromConfig, createChartRoot } from "./utils";
import { wrongInitResultMessage } from './constants';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
export class ScichartAngularComponent {
constructor() {
this.title = 'lib-scichart-angular';
this.config = ''; //TODO: type the config
this.innerContainerStyles = null;
this.onInit = new EventEmitter();
this.onDelete = new EventEmitter();
this.innerContainerStylesMerged = {
height: '100%',
width: '100%',
};
this.isInitialized = false;
this.hasCustomFallback = false;
this.isCancelled = false;
this.chartRoot = createChartRoot();
this.sciChartSurfaceRef = null;
this.initResultRef = null;
}
ngOnInit() {
if (this.innerContainerStyles) {
this.innerContainerStylesMerged = { ...this.innerContainerStylesMerged, ...this.innerContainerStyles };
}
}
ngAfterViewInit() {
const rootElement = this.innerContainerRef.nativeElement;
rootElement.appendChild(this.chartRoot);
const fallbackElement = this.fallbackContainer.nativeElement;
if (fallbackElement.childNodes.length > 0) {
this.hasCustomFallback = true;
}
const initializationFunction = this.initChart
? (this.initChart)
: createChartFromConfig(this.config);
const runInit = async () => new Promise((resolve, reject) => initializationFunction(this.chartRoot)
.then((initResult) => {
if (!initResult.sciChartSurface) {
throw new Error(wrongInitResultMessage);
}
this.sciChartSurfaceRef = initResult.sciChartSurface;
this.initResultRef = initResult;
if (!this.isCancelled) {
this.isInitialized = true;
}
resolve(initResult);
})
.catch(reject));
runInit().then(initResult => {
if (this.onInit && this.isInitialized) {
this.onInit.emit(initResult);
}
});
}
ngOnDestroy() {
this.isCancelled = true;
if (this.onDelete && this.isInitialized) {
this.onDelete.emit(this.initResultRef);
}
this.sciChartSurfaceRef?.delete();
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.1.2", ngImport: i0, type: ScichartAngularComponent, deps: [], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "17.1.2", type: ScichartAngularComponent, isStandalone: true, selector: "scichart-angular", inputs: { initChart: "initChart", config: "config", innerContainerStyles: "innerContainerStyles" }, outputs: { onInit: "onInit", onDelete: "onDelete" }, viewQueries: [{ propertyName: "innerContainerRef", first: true, predicate: ["innerContainerRef"], descendants: true }, { propertyName: "fallbackContainer", first: true, predicate: ["fallbackContainer"], descendants: true }], ngImport: i0, template: `
<div style="position: relative; height: 100%; width: 100%;">
<div #innerContainerRef [ngStyle]="innerContainerStylesMerged"></div>
<ng-content *ngIf="isInitialized"></ng-content>
<div *ngIf="!isInitialized" #fallbackContainer>
<ng-content select="[fallback]"></ng-content>
</div>
<scichart-fallback *ngIf="!hasCustomFallback && !isInitialized"></scichart-fallback>
</div>
`, isInline: true, styles: [""], dependencies: [{ kind: "ngmodule", type: CommonModule }, { kind: "directive", type: i1.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i1.NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }, { kind: "component", type: ScichartFallbackComponent, selector: "scichart-fallback" }] }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.1.2", ngImport: i0, type: ScichartAngularComponent, decorators: [{
type: Component,
args: [{ selector: 'scichart-angular', standalone: true, imports: [CommonModule, ScichartFallbackComponent], template: `
<div style="position: relative; height: 100%; width: 100%;">
<div #innerContainerRef [ngStyle]="innerContainerStylesMerged"></div>
<ng-content *ngIf="isInitialized"></ng-content>
<div *ngIf="!isInitialized" #fallbackContainer>
<ng-content select="[fallback]"></ng-content>
</div>
<scichart-fallback *ngIf="!hasCustomFallback && !isInitialized"></scichart-fallback>
</div>
` }]
}], propDecorators: { innerContainerRef: [{
type: ViewChild,
args: ['innerContainerRef']
}], fallbackContainer: [{
type: ViewChild,
args: ['fallbackContainer']
}], initChart: [{
type: Input
}], config: [{
type: Input
}], innerContainerStyles: [{
type: Input
}], onInit: [{
type: Output
}], onDelete: [{
type: Output
}] } });
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height: 100%; width: 100%;\">\r\n      <div #innerContainerRef [ngStyle]=\"innerContainerStylesMerged\"></div>\r\n      <ng-content *ngIf=\"isInitialized\"></ng-content>\r\n      <div *ngIf=\"!isInitialized\" #fallbackContainer>\r\n        <ng-content select=\"[fallback]\"></ng-content>\r\n      </div>\r\n      <scichart-fallback *ngIf=\"!hasCustomFallback && !isInitialized\"></scichart-fallback>\r\n    </div>\r\n  `,\r\n  styles: ``\r\n})\r\nexport class ScichartAngularComponent<\r\n    TSurface extends ISciChartSurfaceBase = ISciChartSurfaceBase,\r\n    TInitResult extends IInitResult<TSurface> = IInitResult<TSurface>\r\n> {\r\n  title = 'lib-scichart-angular';\r\n\r\n  @ViewChild('innerContainerRef') innerContainerRef!: ElementRef<HTMLDivElement>;\r\n  @ViewChild('fallbackContainer') fallbackContainer!: ElementRef<HTMLDivElement>;\r\n\r\n  @Input() initChart!: TInitFunction<TSurface, TInitResult>;\r\n  @Input() config: any = ''; //TODO: type the config\r\n  @Input() innerContainerStyles: Object | null = null;\r\n\r\n  @Output() onInit: EventEmitter<TInitResult> = new EventEmitter<TInitResult>();\r\n  @Output() onDelete: EventEmitter<TInitResult> = new EventEmitter<TInitResult>();\r\n\r\n  public innerContainerStylesMerged: Object = {\r\n    height: '100%',\r\n    width: '100%',\r\n  };\r\n  public isInitialized: boolean = false;\r\n  public hasCustomFallback: boolean = false;\r\n  private isCancelled: boolean = false;\r\n  private chartRoot = createChartRoot();\r\n\r\n  private sciChartSurfaceRef: TSurface | null = null;\r\n  private initResultRef: TInitResult | null = null;\r\n\r\n  ngOnInit(): void {\r\n    if (this.innerContainerStyles) {\r\n      this.innerContainerStylesMerged = { ...this.innerContainerStylesMerged, ...this.innerContainerStyles };\r\n    }\r\n  }\r\n\r\n  ngAfterViewInit(): void {\r\n    const rootElement = this.innerContainerRef.nativeElement;\r\n    rootElement!.appendChild(this.chartRoot as Node);\r\n\r\n    const fallbackElement = this.fallbackContainer.nativeElement;\r\n    if (fallbackElement.childNodes.length > 0) {\r\n      this.hasCustomFallback = true;\r\n    }\r\n\r\n    const initializationFunction = this.initChart\r\n      ? (this.initChart)\r\n      : createChartFromConfig<TSurface>(this.config) as TInitFunction<TSurface, TInitResult>;\r\n\r\n    const runInit = async (): Promise<TInitResult> =>\r\n      new Promise((resolve, reject) =>\r\n        initializationFunction(this.chartRoot as HTMLDivElement)\r\n          .then((initResult: TInitResult) => {\r\n            if (!initResult.sciChartSurface) {\r\n              throw new Error(wrongInitResultMessage);\r\n            }\r\n            this.sciChartSurfaceRef = initResult.sciChartSurface as TSurface;\r\n            this.initResultRef = initResult as TInitResult;\r\n\r\n            if (!this.isCancelled) {\r\n              this.isInitialized = true;\r\n            }\r\n\r\n            resolve(initResult);\r\n          })\r\n          .catch(reject)\r\n      );\r\n\r\n    runInit().then(initResult => {\r\n      if (this.onInit && this.isInitialized) {\r\n        this.onInit.emit(initResult);\r\n      }\r\n    });\r\n  }\r\n\r\n  ngOnDestroy(): void {\r\n    this.isCancelled = true;\r\n\r\n    if (this.onDelete && this.isInitialized) {\r\n      this.onDelete.emit(this.initResultRef as TInitResult);\r\n    }\r\n\r\n    this.sciChartSurfaceRef?.delete();\r\n  }\r\n}\r\n"]}