62 lines
1.8 KiB
TypeScript
62 lines
1.8 KiB
TypeScript
import {AfterViewInit, Directive, Input, OnDestroy, TemplateRef, ViewContainerRef} from '@angular/core';
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import {Subscription} from 'rxjs';
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import {PackageService} from '../../services/package.service';
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import * as appCommonReducer from '../../reducers/app-common.reducer';
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import {Store} from '@ngrx/store';
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@Directive({
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selector: '[fmHasPackage]',
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})
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export class HasPackageDirective implements OnDestroy, AfterViewInit {
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@Input()
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set fmHasPackage(packageIdentifier: string) {
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this.packageIdentifier = packageIdentifier;
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this.updateView();
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}
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@Input()
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set fmHasPackageThen(thenTemplate: TemplateRef<any>) {
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this.thenTemplate = thenTemplate;
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this.updateView();
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}
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@Input()
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set fmHasPackageElse(thenTemplate: TemplateRef<any>) {
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this.elseTemplate = thenTemplate;
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this.updateView();
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}
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private packageIdentifier: string;
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private thenTemplate: TemplateRef<any>;
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private elseTemplate: TemplateRef<any>;
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private packSub: Subscription;
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constructor(private hostTemplateRef: TemplateRef<any>, private viewContainerRef: ViewContainerRef,
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private store: Store<appCommonReducer.State>, private packageService: PackageService) {
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this.thenTemplate = this.hostTemplateRef;
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this.packSub = this.store.select(appCommonReducer.SelectGetValidUserPackages).subscribe(() => {
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this.updateView();
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});
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}
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ngAfterViewInit() {
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this.updateView();
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}
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updateView() {
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this.viewContainerRef.clear();
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if (this.packageService.hasPackage(this.packageIdentifier)) {
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this.viewContainerRef.createEmbeddedView(this.thenTemplate);
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} else if (this.elseTemplate) {
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this.viewContainerRef.createEmbeddedView(this.elseTemplate);
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}
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}
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ngOnDestroy() {
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if (this.packSub) {
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this.packSub.unsubscribe();
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}
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}
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}
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