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* Copyright bei
* Entwicklungs- und Pflegeverbund für das gemeinsame Fachverfahren gefa
*
*******************************************************************************/
import {
AfterViewInit,
Component,
ElementRef,
EventEmitter,
Input,
NgZone,
OnDestroy,
Output,
QueryList,
ViewChild,
ViewChildren,
} from '@angular/core';
import { observeSize } from '../utils/internal-utils';
import { Callback, FocusableElementOwner } from '../utils/util.types';
import { TooltipComponent } from '../internal/tooltip/tooltip.component';
import {
AppHeaderButtonComponent,
AppHeaderButtonType,
} from './app-header-button/app-header-button.component';
export { AppHeaderButtonType }; // re-export to ensure it's part of the public API (moving it completely to this location would create an import cycle in Angular)
/**
* `gc-app-header` is a horizontal user interface element that contains buttons to show tools and subcontent related to the page
*/
@Component({
selector: 'gc-app-header',
templateUrl: './app-header.component.html',
styleUrls: ['./app-header.component.css'],
})
export class AppHeaderComponent
implements AfterViewInit, OnDestroy, FocusableElementOwner
{
/**
* Label that will show on the header.
*/
@Input()
public label = '';
/**
* Name of the person that will be used for the 'Person' button label;
*/
@Input()
public personName = '';
/**
* Number of new appointment notifications.
*/
@Input()
public newAppointments?: number;
/**
* Number of new message notifications.
*/
@Input()
public newMessages?: number;
/**
* The method that gets fired when a button is pressed. Emits `undefined` after a button is deselected and no other
* button is selected instead.
*/
@Output()
public readonly selectedButtonChange: EventEmitter<
AppHeaderButtonType | undefined
> = new EventEmitter<AppHeaderButtonType | undefined>();
/**
* @ignore
*/
@ViewChildren(AppHeaderButtonComponent)
private appHeaderButtons?: QueryList<AppHeaderButtonComponent>;
/**
* @ignore
*/
@ViewChild('header')
private headerElement!: ElementRef<HTMLElement>;
/** @ignore */
@ViewChild('tooltip')
private tooltip?: TooltipComponent;
/** @ignore */
@ViewChild('labelContainer')
private labelContainer!: ElementRef<HTMLSpanElement>;
/**
* Currently selected button.
* When `undefined`, no button is selected.
*/
@Input()
public get selectedButton(): AppHeaderButtonType | undefined {
return this._selectedButton;
}
public set selectedButton(value: AppHeaderButtonType | undefined) {
this.handleButtonComponentSelection(value);
this._selectedButton = value;
}
/** @ignore */
public get newAppointmentsDescription(): string {
if (this.newAppointments === undefined || this.newAppointments === 0) {
return '';
} else {
return (
this.newAppointments.toString() +
(this.newAppointments == 1 ? ' neuer Termin' : ' neue Termine')
);
}
}
/** @ignore */
public get newMessagesDescription(): string {
if (this.newMessages === undefined || this.newMessages === 0) {
return '';
} else {
return (
this.newMessages.toString() +
(this.newMessages == 1 ? ' neue Meldung' : ' neue Meldungen')
);
}
}
/**
* @ignore
*/
_labelHidden = false;
/** @ignore */
private _selectedButton?: AppHeaderButtonType;
/**
* @ignore
*/
private resizeObserver?: Callback;
constructor(private zone: NgZone) {}
/**
* @ignore
*/
ngAfterViewInit(): void {
this.resizeObserver = observeSize(
this.headerElement,
this.zone,
this.resizeObserverCallback.bind(this),
);
if (this.tooltip && this.tooltip.tooltipOwner !== this.labelContainer) {
this.tooltip.tooltipOwner = this.labelContainer;
}
}
/**
* @ignore
*/
ngOnDestroy(): void {
if (this.resizeObserver) {
this.resizeObserver();
}
}
public focusChild(): boolean {
const foundButton = this.appHeaderButtons?.find(
btn => btn.type === this.selectedButton,
);
if (foundButton) {
foundButton.focusChild();
return true;
} else if (this.appHeaderButtons?.first.button) {
this.appHeaderButtons.first.focusChild();
return true;
} else {
return false;
}
}
/**
* @ignore
*/
public _onSelect(button: AppHeaderButtonComponent): void {
if (this.selectedButton === button.type) {
this._selectedButton = undefined;
} else {
this._selectedButton = button.type;
}
this.handleButtonComponentSelection(button.type);
this.selectedButtonChange.emit(this._selectedButton);
}
/**
* @ignore
* handles visual button selection
*/
private handleButtonComponentSelection(
buttonType?: AppHeaderButtonType,
): void {
const foundButton = this.appHeaderButtons?.find(
btn => btn.type === buttonType,
);
if (foundButton && !foundButton.selected) {
this.appHeaderButtons?.forEach(btn => (btn.selected = false));
foundButton.selected = true;
} else if (buttonType === undefined) {
this.appHeaderButtons?.forEach(btn => (btn.selected = false));
}
}
/**
* @ignore
*/
private resizeObserverCallback(): void {
if (this.headerElement.nativeElement.clientWidth < 480) {
this._labelHidden = true;
} else {
this._labelHidden = false;
}
}
}
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