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* Copyright bei
* Entwicklungs- und Pflegeverbund für das gemeinsame Fachverfahren gefa
*
*******************************************************************************/
import {
AfterViewInit,
ChangeDetectorRef,
Component,
ContentChildren,
Directive,
ElementRef,
EventEmitter,
HostBinding,
Input,
OnDestroy,
OnInit,
Optional,
Output,
QueryList,
TemplateRef,
ViewChild,
forwardRef,
} from '@angular/core';
import { Subscription } from 'rxjs';
import {
Callback,
FilterSlots,
FocusableElementOwner,
SlotItem,
WidgetKeySet,
} from '../../utils/util.types';
import { createWidgetKeySet } from '../../utils/utilities';
import { ButtonComponent } from '../../button/button.component';
import {
BaseExtSearchComponent,
GlobalVerticalModeChange,
} from '../base-ext-search/base-ext-search-field.component';
import { ExtSearchGroupContainerComponent } from '../ext-search-group-container/ext-search-group-container.component';
interface ExtSearchGroupContainerTemplateContext {
$implicit: Callback;
}
/**
* A directive allowing to tag the container content template of the extended search group, where
* the $implicit value is of type Callback
*/
@Directive({
selector: 'ng-template[data-gc-ext-search-container]',
})
export class ExtSearchGroupContainerTemplateDirective {
constructor(
public readonly template: TemplateRef<ExtSearchGroupContainerTemplateContext>,
) {}
/**
* @ignore
*/
static ngTemplateContextGuard(
dir: ExtSearchGroupContainerTemplateDirective,
ctx: unknown,
): ctx is ExtSearchGroupContainerTemplateContext {
return true;
}
}
/**
* `gc-ext-search-group` is used to make a group of one or more extended search components (i.e. `gc-ext-search-text`)
*/
@Component({
selector: 'gc-ext-search-group',
templateUrl: './ext-search-group.component.html',
styleUrls: ['./ext-search-group-component.css'],
host: {
role: 'group',
},
})
export class ExtSearchGroupComponent
implements FocusableElementOwner, OnDestroy, OnInit, AfterViewInit
{
/**
* Shows the remove-button if enabled
*/
@Input()
public showRemoveButton = false;
/**
* Content of the filter container that shows up, when the "add-to-group-button" is pressed.
*/
@Input({ required: true })
public filterContainerTemplate?: TemplateRef<ExtSearchGroupContainerTemplateContext>;
/**
* Action that is fired when clicked on remove-button
*/
@Output()
public readonly onRemoveButtonAction: EventEmitter<void> =
new EventEmitter<void>();
/**
* Sets the header text of the filter group
*/
@Input({ required: true })
public label = '';
/**
* @ignore
*/
@ContentChildren(forwardRef(() => BaseExtSearchComponent))
protected content?: QueryList<BaseExtSearchComponent>;
/**
* @ignore
*/
@ViewChild('addToGroupButton', { read: ElementRef })
protected addToGroupButtonElement?: ElementRef<HTMLElement>;
/** @ignore */
@ViewChild('addToGroupButton')
protected addToGroupButtonComponent?: ButtonComponent;
/** @ignore */
@HostBinding('attr.aria-labelledby')
protected get _ariaLabelledby(): string {
return this._widgetKeys.labelKey;
}
/**
* @ignore
* (Internal) Event is fired, when vertical-mode of group changes
*/
public readonly _onVerticalModeChange: EventEmitter<GlobalVerticalModeChange> =
new EventEmitter<GlobalVerticalModeChange>();
/** @ignore */
protected readonly _widgetKeys: WidgetKeySet = createWidgetKeySet(
'gc-ext-search-group',
);
/** @ignore */
protected _filterContainerVisible = false;
/** @ignore */
protected containerAnker?: ElementRef<HTMLElement>;
/** @ignore */
protected readonly containerActions: SlotItem<FilterSlots>[] = [
{
key: 'action-1',
label: 'Schließen',
slot: 'footer',
},
];
/** @ignore */
protected verticalMode = false;
/** @ignore */
private vertModeSubscription?: Subscription;
constructor(
@Optional()
protected extSearchContainer: ExtSearchGroupContainerComponent | null,
private cdr: ChangeDetectorRef,
) {}
/** @ignore */
public ngAfterViewInit(): void {
this.containerAnker = this.addToGroupButtonElement;
}
/** @ignore */
public ngOnInit(): void {
this.vertModeSubscription =
this.extSearchContainer?._onVerticalModeChange.subscribe(
verticalModeUpdate => {
this.verticalMode = verticalModeUpdate.newState;
if (verticalModeUpdate.onDestroy) {
/**
* Manually trigger change detection if vertical-mode changes, because an element got removed.
* Otherwise would result in an NG0100 error, because change-detection could already run before `_onVerticalModeChange()` is emitted
*/
this.cdr.detectChanges();
}
this._onVerticalModeChange.emit(verticalModeUpdate);
},
);
this.extSearchContainer?._updateGlobalVertState(false);
}
/** @ignore */
public ngOnDestroy(): void {
this.vertModeSubscription?.unsubscribe();
}
public focusChild(): boolean {
if (this.content) {
const el = this.content.get(0);
if (el?.focusChild()) {
return true;
}
}
return this.moveFocusToAddButton();
}
/**
* Try to move the focus to the Add-button
*/
public moveFocusToAddButton(): boolean {
return this.addToGroupButtonComponent?.focusChild() ?? false;
}
/**
* @ignore
* Refresh and update the global vertical state for all components
*/
public _updateGlobalVertState(onDestroy: boolean) {
if (this.extSearchContainer) {
this.extSearchContainer._updateGlobalVertState(onDestroy);
} else {
const newState: boolean = this._getInternalVerticalMode();
this.verticalMode = newState;
this._onVerticalModeChange.emit({ newState, onDestroy });
}
}
/**
* @ignore
* Returns the vertical mode state of the internal group
*/
public _getInternalVerticalMode(): boolean {
return (
this.content?.some(entry => entry._getInternalVerticalMode()) ?? false
);
}
/**
* @ignore
*/
protected filterContainerCallback: Callback = () => {
this.closeFilterContainer();
};
/**
* @ignore
*/
protected closeFilterContainer(): void {
this._filterContainerVisible = false;
}
/**
* @ignore
*/
protected openFilterContainer() {
this._filterContainerVisible = true;
}
}
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