OpenSlides/client/src/app/core/ui-services/projection-dialog.service.ts

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import { Injectable } from '@angular/core';
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import { MatDialog } from '@angular/material';
import { Projectable, ProjectorElementBuildDeskriptor, isProjectable } from 'app/site/base/projectable';
import {
ProjectionDialogComponent,
ProjectionDialogReturnType
} from 'app/shared/components/projection-dialog/projection-dialog.component';
import { ProjectorService } from '../core-services/projector.service';
import { ConfigService } from './config.service';
/**
* Manages the projection dialog. Projects the result of the user's choice.
*/
@Injectable({
providedIn: 'root'
})
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export class ProjectionDialogService {
/**
* Constructor.
*
* @param dialog
* @param projectorService
*/
public constructor(
private dialog: MatDialog,
private projectorService: ProjectorService,
private configService: ConfigService
) {}
/**
* Opens the projection dialog for the given projectable. After the user's choice,
* the projectors will be updated.
*
* @param obj The projectable.
*/
public async openProjectDialogFor(obj: Projectable | ProjectorElementBuildDeskriptor): Promise<void> {
let descriptor: ProjectorElementBuildDeskriptor;
if (isProjectable(obj)) {
descriptor = obj.getSlide(this.configService);
} else {
descriptor = obj;
}
const dialogRef = this.dialog.open<
ProjectionDialogComponent,
ProjectorElementBuildDeskriptor,
ProjectionDialogReturnType
>(ProjectionDialogComponent, {
maxHeight: '90vh',
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autoFocus: false,
data: descriptor
});
const response = await dialogRef.afterClosed().toPromise();
if (response) {
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const [action, projectors, projectorElement]: ProjectionDialogReturnType = response;
if (action === 'project') {
this.projectorService.projectOnMultiple(projectors, projectorElement);
} else if (action === 'addToPreview') {
projectors.forEach(projector => {
this.projectorService.addElementToPreview(projector, projectorElement);
});
}
}
}
}