58 lines
1.8 KiB
TypeScript
58 lines
1.8 KiB
TypeScript
import { Injectable } from '@angular/core';
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import { MatDialog } from '@angular/material/dialog';
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import { mediumDialogSettings } from 'app/shared/utils/dialog-settings';
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import {
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ChoiceAnswer,
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ChoiceDialogComponent,
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ChoiceDialogOptions
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} 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 {
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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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/**
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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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* @param multiSelect turn on the option to select multiple entries.
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* The answer.items will then be an array.
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* @param actions optional strings for buttons replacing the regular confirmation.
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* The answer.action will reflect the button selected
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* @param clearChoice A string for an extra, visually slightly separated
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* choice for 'explicitly set an empty selection'. The answer's action may
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* have this string's value
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* @returns an answer {@link ChoiceAnswer}
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*/
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public async open(
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title: string,
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choices: ChoiceDialogOptions,
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multiSelect: boolean = false,
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actions?: string[],
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clearChoice?: string
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): Promise<ChoiceAnswer> {
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const dialogRef = this.dialog.open(ChoiceDialogComponent, {
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...mediumDialogSettings,
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data: {
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title: title,
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choices: choices,
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multiSelect: multiSelect,
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actionButtons: actions,
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clearChoice: clearChoice
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}
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});
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return dialogRef.afterClosed().toPromise();
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}
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}
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