mirror of
https://github.com/Alfresco/alfresco-content-app.git
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430 lines
12 KiB
TypeScript
430 lines
12 KiB
TypeScript
/*!
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* @license
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* Alfresco Example Content Application
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*
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* Copyright (C) 2005 - 2018 Alfresco Software Limited
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*
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* This file is part of the Alfresco Example Content Application.
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* If the software was purchased under a paid Alfresco license, the terms of
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* the paid license agreement will prevail. Otherwise, the software is
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* provided under the following open source license terms:
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*
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* The Alfresco Example Content Application is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* The Alfresco Example Content Application is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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import {
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Component,
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OnInit,
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OnDestroy,
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ViewEncapsulation,
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HostListener
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} from '@angular/core';
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import {
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ActivatedRoute,
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Router,
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UrlTree,
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UrlSegmentGroup,
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UrlSegment,
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PRIMARY_OUTLET
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} from '@angular/router';
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import { UserPreferencesService, ObjectUtils } from '@alfresco/adf-core';
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import { Store } from '@ngrx/store';
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import { AppStore } from '../../store/states/app.state';
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import { SetSelectedNodesAction } from '../../store/actions';
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import { PageComponent } from '../page.component';
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import { ContentApiService } from '../../services/content-api.service';
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import { AppExtensionService } from '../../extensions/extension.service';
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import { ContentManagementService } from '../../services/content-management.service';
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import { ContentActionRef, ViewerExtensionRef } from '@alfresco/adf-extensions';
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@Component({
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selector: 'app-preview',
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templateUrl: 'preview.component.html',
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styleUrls: ['preview.component.scss'],
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encapsulation: ViewEncapsulation.None,
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host: { class: 'app-preview' }
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})
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export class PreviewComponent extends PageComponent
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implements OnInit, OnDestroy {
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previewLocation: string = null;
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routesSkipNavigation = ['shared', 'recent-files', 'favorites'];
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navigateSource: string = null;
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navigationSources = [
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'favorites',
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'libraries',
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'personal-files',
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'recent-files',
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'shared'
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];
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folderId: string = null;
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nodeId: string = null;
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previousNodeId: string;
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nextNodeId: string;
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navigateMultiple = false;
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openWith: Array<ContentActionRef> = [];
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contentExtensions: Array<ViewerExtensionRef> = [];
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constructor(
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private contentApi: ContentApiService,
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private preferences: UserPreferencesService,
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private route: ActivatedRoute,
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private router: Router,
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store: Store<AppStore>,
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extensions: AppExtensionService,
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content: ContentManagementService
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) {
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super(store, extensions, content);
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}
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ngOnInit() {
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super.ngOnInit();
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this.previewLocation = this.router.url
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.substr(0, this.router.url.indexOf('/', 1))
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.replace(/\//g, '');
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const routeData = this.route.snapshot.data;
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if (routeData.navigateMultiple) {
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this.navigateMultiple = true;
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}
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if (routeData.navigateSource) {
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const source = routeData.navigateSource.toLowerCase();
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if (this.navigationSources.includes(source)) {
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this.navigateSource = routeData.navigateSource;
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}
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}
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this.route.params.subscribe(params => {
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this.folderId = params.folderId;
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const id = params.nodeId;
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if (id) {
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this.displayNode(id);
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}
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});
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this.subscriptions = this.subscriptions.concat([
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this.content.nodesDeleted.subscribe(() =>
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this.navigateToFileLocation(true)
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)
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]);
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this.openWith = this.extensions.openWithActions;
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this.contentExtensions = this.extensions.viewerContentExtensions;
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}
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ngOnDestroy() {
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super.ngOnDestroy();
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}
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/**
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* Loads the particular node into the Viewer
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* @param id Unique identifier for the Node to display
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*/
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async displayNode(id: string) {
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if (id) {
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try {
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this.node = await this.contentApi.getNodeInfo(id).toPromise();
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this.store.dispatch(new SetSelectedNodesAction([{ entry: this.node }]));
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if (this.node && this.node.isFile) {
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const nearest = await this.getNearestNodes(
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this.node.id,
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this.node.parentId
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);
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this.previousNodeId = nearest.left;
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this.nextNodeId = nearest.right;
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this.nodeId = this.node.id;
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return;
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}
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this.router.navigate([this.previewLocation, id]);
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} catch (err) {
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if (!err || err.status !== 401) {
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this.router.navigate([this.previewLocation, id]);
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}
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}
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}
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}
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@HostListener('document:keydown', ['$event'])
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handleKeyboardEvent(event: KeyboardEvent) {
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const key = event.keyCode;
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const rightArrow = 39;
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const leftArrow = 37;
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if (key === rightArrow || key === leftArrow) {
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event.preventDefault();
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event.stopImmediatePropagation();
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}
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}
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/**
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* Handles the visibility change of the Viewer component.
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* @param isVisible Indicator whether Viewer is visible or hidden.
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*/
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onVisibilityChanged(isVisible: boolean): void {
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const shouldNavigate = !isVisible;
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this.navigateToFileLocation(shouldNavigate);
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}
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navigateToFileLocation(shouldNavigate: boolean) {
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const shouldSkipNavigation = this.routesSkipNavigation.includes(
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this.previewLocation
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);
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if (shouldNavigate) {
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const route = this.getNavigationCommands(this.previewLocation);
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if (!shouldSkipNavigation && this.folderId) {
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route.push(this.folderId);
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}
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this.router.navigate(route);
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}
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}
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/** Handles navigation to a previous document */
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onNavigateBefore(): void {
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if (this.previousNodeId) {
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this.router.navigate(
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this.getPreviewPath(this.folderId, this.previousNodeId)
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);
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}
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}
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/** Handles navigation to a next document */
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onNavigateNext(): void {
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if (this.nextNodeId) {
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this.router.navigate(this.getPreviewPath(this.folderId, this.nextNodeId));
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}
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}
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/**
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* Generates a node preview route based on folder and node IDs.
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* @param folderId Folder ID
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* @param nodeId Node ID
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*/
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getPreviewPath(folderId: string, nodeId: string): any[] {
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const route = [this.previewLocation];
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if (folderId) {
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route.push(folderId);
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}
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if (nodeId) {
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route.push('preview', nodeId);
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}
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return route;
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}
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/**
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* Retrieves nearest node information for the given node and folder.
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* @param nodeId Unique identifier of the document node
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* @param folderId Unique identifier of the containing folder node.
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*/
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async getNearestNodes(
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nodeId: string,
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folderId: string
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): Promise<{ left: string; right: string }> {
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const empty = {
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left: null,
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right: null
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};
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if (nodeId && folderId) {
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try {
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const ids = await this.getFileIds(this.navigateSource, folderId);
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const idx = ids.indexOf(nodeId);
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if (idx >= 0) {
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return {
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left: ids[idx - 1] || null,
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right: ids[idx + 1] || null
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};
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} else {
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return empty;
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}
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} catch {
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return empty;
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}
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} else {
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return empty;
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}
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}
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/**
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* Retrieves a list of node identifiers for the folder and data source.
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* @param source Data source name. Allowed values are: personal-files, libraries, favorites, shared, recent-files.
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* @param folderId Containing folder node identifier for 'personal-files' and 'libraries' sources.
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*/
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async getFileIds(source: string, folderId?: string): Promise<string[]> {
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if ((source === 'personal-files' || source === 'libraries') && folderId) {
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const sortKey =
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this.preferences.get('personal-files.sorting.key') || 'modifiedAt';
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const sortDirection =
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this.preferences.get('personal-files.sorting.direction') || 'desc';
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const nodes = await this.contentApi
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.getNodeChildren(folderId, {
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// orderBy: `${sortKey} ${sortDirection}`,
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fields: ['id', this.getRootField(sortKey)],
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where: '(isFile=true)'
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})
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.toPromise();
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const entries = nodes.list.entries.map(obj => obj.entry);
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this.sort(entries, sortKey, sortDirection);
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return entries.map(obj => obj.id);
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}
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if (source === 'favorites') {
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const nodes = await this.contentApi
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.getFavorites('-me-', {
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where: '(EXISTS(target/file))',
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fields: ['target']
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})
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.toPromise();
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const sortKey =
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this.preferences.get('favorites.sorting.key') || 'modifiedAt';
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const sortDirection =
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this.preferences.get('favorites.sorting.direction') || 'desc';
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const files = nodes.list.entries.map(obj => obj.entry.target.file);
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this.sort(files, sortKey, sortDirection);
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return files.map(f => f.id);
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}
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if (source === 'shared') {
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const sortingKey =
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this.preferences.get('shared.sorting.key') || 'modifiedAt';
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const sortingDirection =
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this.preferences.get('shared.sorting.direction') || 'desc';
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const nodes = await this.contentApi
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.findSharedLinks({
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fields: ['nodeId', this.getRootField(sortingKey)]
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})
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.toPromise();
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const entries = nodes.list.entries.map(obj => obj.entry);
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this.sort(entries, sortingKey, sortingDirection);
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return entries.map(obj => obj.nodeId);
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}
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if (source === 'recent-files') {
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const person = await this.contentApi.getPerson('-me-').toPromise();
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const username = person.entry.id;
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const sortingKey =
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this.preferences.get('recent-files.sorting.key') || 'modifiedAt';
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const sortingDirection =
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this.preferences.get('recent-files.sorting.direction') || 'desc';
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const nodes = await this.contentApi
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.search({
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query: {
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query: '*',
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language: 'afts'
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},
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filterQueries: [
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{ query: `cm:modified:[NOW/DAY-30DAYS TO NOW/DAY+1DAY]` },
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{ query: `cm:modifier:${username} OR cm:creator:${username}` },
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{
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query: `TYPE:"content" AND -TYPE:"app:filelink" AND -TYPE:"fm:post"`
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}
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],
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fields: ['id', this.getRootField(sortingKey)],
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sort: [
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{
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type: 'FIELD',
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field: 'cm:modified',
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ascending: false
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}
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]
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})
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.toPromise();
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const entries = nodes.list.entries.map(obj => obj.entry);
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this.sort(entries, sortingKey, sortingDirection);
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return entries.map(obj => obj.id);
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}
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return [];
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}
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private sort(items: any[], key: string, direction: string) {
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const options: Intl.CollatorOptions = {};
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if (key.includes('sizeInBytes') || key === 'name') {
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options.numeric = true;
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}
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items.sort((a: any, b: any) => {
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let left = ObjectUtils.getValue(a, key);
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if (left) {
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left =
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left instanceof Date ? left.valueOf().toString() : left.toString();
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} else {
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left = '';
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}
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let right = ObjectUtils.getValue(b, key);
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if (right) {
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right =
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right instanceof Date ? right.valueOf().toString() : right.toString();
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} else {
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right = '';
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}
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return direction === 'asc'
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? left.localeCompare(right, undefined, options)
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: right.localeCompare(left, undefined, options);
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});
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}
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/**
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* Get the root field name from the property path.
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* Example: 'property1.some.child.property' => 'property1'
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* @param path Property path
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*/
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getRootField(path: string) {
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if (path) {
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return path.split('.')[0];
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}
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return path;
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}
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private getNavigationCommands(url: string): any[] {
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const urlTree: UrlTree = this.router.parseUrl(url);
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const urlSegmentGroup: UrlSegmentGroup =
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urlTree.root.children[PRIMARY_OUTLET];
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if (!urlSegmentGroup) {
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return [url];
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}
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const urlSegments: UrlSegment[] = urlSegmentGroup.segments;
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return urlSegments.reduce(function(acc, item) {
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acc.push(item.path, item.parameters);
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return acc;
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}, []);
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}
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}
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