36 lines
1.2 KiB
TypeScript
36 lines
1.2 KiB
TypeScript
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import { Injectable } from '@angular/core';
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import { OpenSlidesComponent } from '../../openslides.component';
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import { MatDialog } from '@angular/material';
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import { ChoiceDialogComponent, ChoiceDialogOptions, ChoiceAnswer } from '../../shared/components/choice-dialog/choice-dialog.component';
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/**
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* A service for prompting the user to select a choice.
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*/
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@Injectable({
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providedIn: 'root'
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})
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export class ChoiceService extends OpenSlidesComponent {
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/**
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* Ctor.
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*
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* @param dialog For opening the ChoiceDialog
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*/
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public constructor(private dialog: MatDialog) {
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super();
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}
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/**
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* Opens the dialog. Returns the chosen value after the user accepts.
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* @param title The title to display in the dialog
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* @param choices The available choices
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* @returns an answer {@link ChoiceAnswer}
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*/
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public async open(title: string, choices: ChoiceDialogOptions, multiSelect: boolean = false): Promise<ChoiceAnswer> {
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const dialogRef = this.dialog.open(ChoiceDialogComponent, {
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minWidth: '250px',
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data: { title: title, choices: choices, multiSelect: multiSelect }
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});
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return dialogRef.afterClosed().toPromise();
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}
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}
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