89 lines
3.6 KiB
TypeScript
89 lines
3.6 KiB
TypeScript
import { Component, ElementRef, HostListener, OnInit, QueryList, ViewChild, ViewChildren } from '@angular/core';
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import { Observable } from 'rxjs/Observable';
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import { GaService } from 'app/shared/ga.service';
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import { LocationService } from 'app/shared/location.service';
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import { DocumentService, DocumentContents } from 'app/documents/document.service';
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import { DocViewerComponent } from 'app/layout/doc-viewer/doc-viewer.component';
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import { NavigationService, NavigationViews, NavigationNode, VersionInfo } from 'app/navigation/navigation.service';
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import { SearchResultsComponent } from 'app/search/search-results/search-results.component';
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import { AutoScrollService } from 'app/shared/auto-scroll.service';
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@Component({
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selector: 'aio-shell',
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templateUrl: './app.component.html',
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})
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export class AppComponent implements OnInit {
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readonly sideBySideWidth = 600;
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readonly homeImageUrl = 'assets/images/logos/standard/logo-nav.png';
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isHamburgerVisible = true; // always ... for now
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isSideBySide = false;
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currentDocument: Observable<DocumentContents>;
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navigationViews: Observable<NavigationViews>;
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selectedNodes: Observable<NavigationNode[]>;
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versionInfo: Observable<VersionInfo>;
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@ViewChildren('searchBox, searchResults', { read: ElementRef })
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searchElements: QueryList<ElementRef>;
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@ViewChild(SearchResultsComponent)
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searchResults: SearchResultsComponent;
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// We need the doc-viewer element for scrolling the contents
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@ViewChild(DocViewerComponent, { read: ElementRef })
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docViewer: ElementRef;
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constructor(documentService: DocumentService,
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gaService: GaService,
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navigationService: NavigationService,
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private autoScroll: AutoScrollService,
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private locationService: LocationService) {
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this.currentDocument = documentService.currentDocument;
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locationService.currentUrl.subscribe(url => gaService.locationChanged(url));
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this.navigationViews = navigationService.navigationViews;
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this.selectedNodes = navigationService.selectedNodes;
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this.versionInfo = navigationService.versionInfo;
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}
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ngOnInit() {
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this.onResize(window.innerWidth);
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// The url changed, so scroll to the anchor in the hash fragment.
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// This subscription is needed when navigating between anchors within a document
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// and the document itself has not changed
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this.locationService.currentUrl.subscribe(url => this.autoScroll.scroll(this.docViewer.nativeElement.offsetParent));
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}
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onDocRendered(doc: DocumentContents) {
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// A new document has been rendered, so scroll to the anchor in the hash fragment.
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// This handler is needed because the subscription to the `currentUrl` in `ngOnInit`
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// gets triggered too early before the doc-viewer has finished rendering the doc
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this.autoScroll.scroll(this.docViewer.nativeElement.offsetParent);
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}
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@HostListener('window:resize', ['$event.target.innerWidth'])
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onResize(width) {
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this.isSideBySide = width > this.sideBySideWidth;
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}
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@HostListener('click', ['$event.target', '$event.button', '$event.ctrlKey', '$event.metaKey'])
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onClick(eventTarget: HTMLElement, button: number, ctrlKey: boolean, metaKey: boolean): boolean {
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// Hide the search results if we clicked outside both the search box and the search results
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if (this.searchResults) {
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const hits = this.searchElements.filter(element => element.nativeElement.contains(eventTarget));
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if (hits.length === 0) {
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this.searchResults.hideResults();
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}
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}
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// Deal with anchor clicks
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if (eventTarget instanceof HTMLAnchorElement) {
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return this.locationService.handleAnchorClick(eventTarget, button, ctrlKey, metaKey);
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}
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return true;
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}
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}
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