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* Copyright bei
* Entwicklungs- und Pflegeverbund für das gemeinsame Fachverfahren gefa
*
*******************************************************************************/
import {
AfterViewInit,
Component,
ElementRef,
EventEmitter,
Input,
NgZone,
OnDestroy,
Output,
TemplateRef,
ViewChild,
} from '@angular/core';
import { ActionEvent } from '../utils/event.types';
import { badgeListAsString, observeSize } from '../utils/internal-utils';
import {
BadgeItem,
Callback,
FocusableElementOwner,
} from '../utils/util.types';
import { createWidgetKeySet, itemTrack } from '../utils/utilities';
import { ButtonComponent } from '../button/button.component';
/**
* `gc-component-group` is a container component that wraps around other components and marks it's area with a border.
*/
@Component({
selector: 'gc-component-group',
templateUrl: './component-group.component.html',
styleUrls: ['./component-group.component.css'],
standalone: false,
})
export class ComponentGroupComponent
implements AfterViewInit, OnDestroy, FocusableElementOwner
{
/**
* Label of the group.
*/
@Input()
public label = '';
/**
* Decides if the button is shown or not.
*/
@Input()
public showButton: boolean | 'disabled' = false;
/**
* Decides if the component group is deactivated or not.
*/
@Input()
public deactivated = false;
/**
* Badge items to display in the header
*/
@Input()
public badgeItems: readonly BadgeItem[] = [];
/**
* Icon provider for badge
*/
@Input()
public badgeIconProvider?: TemplateRef<unknown>;
/**
* Control if the group is expanded. Only used when the group is deactivated.
*/
@Input()
public expanded = true;
/**
* The method that gets fired when the button is pressed.
*/
@Output()
public readonly onAction: EventEmitter<ActionEvent> =
new EventEmitter<ActionEvent>();
/**
* Inform about the change of the expanded state
*/
@Output()
public readonly expandedChange: EventEmitter<boolean> =
new EventEmitter<boolean>();
/**
* @ignore
*/
@ViewChild('content')
private contentElement!: ElementRef<HTMLDivElement>;
/**
* @ignore
*/
@ViewChild('removeButton', { read: ButtonComponent })
private removeButton?: ButtonComponent;
/**
* @ignore
*/
@ViewChild('expandButton', { read: ButtonComponent })
private expandButton?: ButtonComponent;
/**
* @ignore
*/
public _titleIsTooNarrow = false;
/** @ignore */
protected readonly contentId: string;
/**
* @ignore
*/
private resizeObserver?: Callback;
constructor(private readonly zone: NgZone) {
const widgetKeys = createWidgetKeySet('gc-component-group');
this.contentId = `${widgetKeys.baseKey}-group-content`;
}
/**
* @ignore
*/
ngAfterViewInit(): void {
this.resizeObserver = observeSize(
this.contentElement,
this.zone,
this.resizeCallback.bind(this),
);
}
/**
* @ignore
*/
ngOnDestroy(): void {
if (this.resizeObserver) {
this.resizeObserver();
}
}
public focusChild(): boolean {
if (this.removeButton && this.showButton !== 'disabled') {
return this.removeButton.focusChild();
} else if (this.expandButton) {
return this.expandButton.focusChild();
} else {
return false;
}
}
/**
* @ignore
*/
protected onButtonPress(event: ActionEvent): void {
this.onAction.emit(event);
}
/** @ignore */
protected badgeLegendText() {
if (this.badgeItems.length > 0) {
return ', ' + badgeListAsString(this.badgeItems);
}
return '';
}
/**
* @ignore
*/
protected _toggle(): void {
this.expanded = !this.expanded;
this.expandedChange.emit(this.expanded);
}
/**
* @ignore
*/
protected _itemTrackBy(item: BadgeItem): string {
return itemTrack(item);
}
/**
* @ignore
*/
private resizeCallback(): void {
// 148 === padding of title with icon-right button
this._titleIsTooNarrow =
this.contentElement.nativeElement.clientWidth - 148 < 200;
}
}
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