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search-control.component.ts
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search-control.component.ts
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/*!
* @license
* Copyright © 2005-2024 Hyland Software, Inc. and its affiliates. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { AuthenticationService, ThumbnailService, SearchTextInputComponent } from '@alfresco/adf-core';
import {
Component,
EventEmitter,
Input,
OnDestroy,
Output,
QueryList,
ViewEncapsulation,
ViewChild,
ViewChildren,
TemplateRef,
ContentChild
} from '@angular/core';
import { NodeEntry } from '@alfresco/js-api';
import { Subject } from 'rxjs';
import { SearchComponent } from './search.component';
import { MatListItem } from '@angular/material/list';
import { EmptySearchResultComponent } from './empty-search-result.component';
@Component({
selector: 'adf-search-control',
templateUrl: './search-control.component.html',
styleUrls: ['./search-control.component.scss'],
encapsulation: ViewEncapsulation.None,
host: { class: 'adf-search-control' }
})
export class SearchControlComponent implements OnDestroy {
/** Toggles highlighting of the search term in the results. */
@Input()
highlight: boolean = false;
/** Type of the input field to render, e.g. "search" or "text" (default). */
@Input()
inputType: string = 'text';
/** Toggles "find-as-you-type" suggestions for possible matches. */
@Input()
liveSearchEnabled: boolean = true;
/** Toggles auto-completion of the search input field. */
@Input()
autocomplete: boolean = false;
/**
* Toggles whether to use an expanding search control. If false
* then a regular input is used.
*/
@Input()
expandable: boolean = true;
/** Maximum number of results to show in the live search. */
@Input()
liveSearchMaxResults: number = 5;
/**
* Emitted when the search is submitted by pressing the ENTER key.
* The search term is provided as the value of the event.
*/
@Output()
submit: EventEmitter<any> = new EventEmitter();
/**
* Emitted when the search term is changed. The search term is provided
* in the 'value' property of the returned object. If the term is less
* than three characters in length then it is truncated to an empty
* string.
*/
@Output()
searchChange: EventEmitter<string> = new EventEmitter();
/** Emitted when a file item from the list of "find-as-you-type" results is selected. */
@Output()
optionClicked: EventEmitter<any> = new EventEmitter();
@ViewChild('searchTextInput')
searchTextInput: SearchTextInputComponent;
@ViewChild('search')
searchAutocomplete: SearchComponent;
@ViewChildren(MatListItem)
private listResultElement: QueryList<MatListItem>;
@ContentChild(EmptySearchResultComponent)
emptySearchTemplate: EmptySearchResultComponent;
focusSubject = new Subject<FocusEvent>();
noSearchResultTemplate: TemplateRef<any> = null;
searchTerm: string = '';
private onDestroy$ = new Subject<boolean>();
constructor(public authService: AuthenticationService, private thumbnailService: ThumbnailService) {}
isNoSearchTemplatePresent(): boolean {
return !!this.emptySearchTemplate;
}
ngOnDestroy(): void {
this.onDestroy$.next(true);
this.onDestroy$.complete();
}
isLoggedIn(): boolean {
return this.authService.isEcmLoggedIn();
}
inputChange(value: string) {
this.searchTerm = value;
this.searchChange.emit(value);
}
getMimeTypeIcon(node: NodeEntry): string {
const mimeType = this.getMimeType(node);
return this.thumbnailService.getMimeTypeIcon(mimeType);
}
getMimeType(node: NodeEntry): string {
let mimeType: string;
if (node.entry.content?.mimeType) {
mimeType = node.entry.content.mimeType;
}
if (node.entry.isFolder) {
mimeType = 'folder';
}
return mimeType;
}
elementClicked(item: any) {
if (item.entry) {
this.optionClicked.next(item);
this.focusSubject.next(new FocusEvent('blur'));
}
}
onFocus(event: FocusEvent): void {
this.focusSubject.next(event);
}
onBlur(event: FocusEvent): void {
const nextElement: any = this.getNextElementSibling(event.target as Element);
if (!nextElement && !this.isListElement(event)) {
this.focusSubject.next(event);
}
}
onSelectFirstResult() {
if (this.listResultElement && this.listResultElement.length > 0) {
const firstElement = this.listResultElement.first as MatListItem;
// eslint-disable-next-line no-underscore-dangle
firstElement._getHostElement().focus();
}
}
onRowArrowDown(event: Event): void {
const nextElement: any = this.getNextElementSibling(event.target as Element);
if (nextElement) {
nextElement.focus();
}
}
onRowArrowUp(event: Event): void {
const previousElement: any = this.getPreviousElementSibling(event.target as Element);
if (previousElement) {
previousElement.focus();
} else {
this.focusSubject.next(new FocusEvent('focus'));
}
}
onReset(status: boolean) {
if (status) {
this.searchAutocomplete.resetResults();
}
}
private isListElement(event: any): boolean {
return event.relatedTarget?.children[0] && event.relatedTarget.children[0].className === 'mat-list-item-content';
}
private getNextElementSibling(node: Element): Element {
return node.nextElementSibling;
}
private getPreviousElementSibling(node: Element): Element {
return node.previousElementSibling;
}
}