feat(aio): TOC float right + service refactor
TOC appears in right panel when wide and hides embedded TOC Right TOC panel height adjusts dynamically during scroll Refactored `TocService` and its tests for clarity.
This commit is contained in:
Stefanie Fluin
Pete Bacon Darwin
parent
566dab1140
commit
799be9c98a
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@ -33,7 +33,9 @@
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<div *ngIf="isSideBySide" class="toc-container"></div>
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<div class="toc-container" [style.max-height.px]="tocMaxHeight">
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<aio-toc></aio-toc>
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</div>
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<footer>
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<aio-footer [nodes]="footerNodes" [versionInfo]="versionInfo" ></aio-footer>
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@ -1,4 +1,4 @@
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import { NO_ERRORS_SCHEMA } from '@angular/core';
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import { NO_ERRORS_SCHEMA, DebugElement } from '@angular/core';
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import { async, inject, ComponentFixture, TestBed } from '@angular/core/testing';
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import { Title } from '@angular/platform-browser';
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import { APP_BASE_HREF } from '@angular/common';
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@ -10,20 +10,21 @@ import { of } from 'rxjs/observable/of';
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import { AppComponent } from './app.component';
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import { AppModule } from './app.module';
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import { AutoScrollService } from 'app/shared/auto-scroll.service';
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import { TocComponent } from 'app/embedded/toc/toc.component';
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import { DocViewerComponent } from 'app/layout/doc-viewer/doc-viewer.component';
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import { NavigationNode } from 'app/navigation/navigation.service';
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import { SearchService } from 'app/search/search.service';
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import { SearchBoxComponent } from 'app/search/search-box/search-box.component';
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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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import { GaService } from 'app/shared/ga.service';
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import { LocationService } from 'app/shared/location.service';
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import { Logger } from 'app/shared/logger.service';
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import { SwUpdateNotificationsService } from 'app/sw-updates/sw-update-notifications.service';
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import { MockLocationService } from 'testing/location.service';
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import { MockLogger } from 'testing/logger.service';
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import { MockSearchService } from 'testing/search.service';
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import { MockSwUpdateNotificationsService } from 'testing/sw-update-notifications.service';
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import { NavigationNode } from 'app/navigation/navigation.service';
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import { SearchBoxComponent } from 'app/search/search-box/search-box.component';
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import { SearchResultsComponent } from 'app/search/search-results/search-results.component';
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import { SearchService } from 'app/search/search.service';
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import { SwUpdateNotificationsService } from 'app/sw-updates/sw-update-notifications.service';
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describe('AppComponent', () => {
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let component: AppComponent;
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@ -71,6 +72,15 @@ describe('AppComponent', () => {
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});
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});
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describe('onScroll', () => {
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it('should update `tocMaxHeight` accordingly', () => {
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expect(component.tocMaxHeight).toBeUndefined();
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component.onScroll();
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expect(component.tocMaxHeight).toBeGreaterThan(0);
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});
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});
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describe('SideNav when side-by-side (wide)', () => {
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beforeEach(() => {
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@ -434,6 +444,31 @@ describe('AppComponent', () => {
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});
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});
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describe('aio-toc', () => {
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let tocDebugElement: DebugElement;
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let tocContainer: DebugElement;
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beforeEach(() => {
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tocDebugElement = fixture.debugElement.query(By.directive(TocComponent));
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tocContainer = tocDebugElement.parent;
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});
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it('should have a non-embedded `<aio-toc>` element', () => {
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expect(tocDebugElement).toBeDefined();
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expect(tocDebugElement.classes.embedded).toBeFalsy();
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});
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it('should update the TOC container\'s `maxHeight` based on `tocMaxHeight`', () => {
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expect(tocContainer.styles['max-height']).toBeNull();
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component.tocMaxHeight = '100';
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fixture.detectChanges();
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expect(tocContainer.styles['max-height']).toBe('100px');
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});
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});
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describe('footer', () => {
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it('should have version number', () => {
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const versionEl: HTMLElement = fixture.debugElement.query(By.css('aio-footer')).nativeElement;
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@ -19,9 +19,13 @@ const sideNavView = 'SideNav';
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})
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export class AppComponent implements OnInit {
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currentDocument: DocumentContents;
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currentDocVersion: NavigationNode;
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currentNode: CurrentNode;
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currentPath: string;
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docVersions: NavigationNode[];
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dtOn = false;
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footerNodes: NavigationNode[];
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/**
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* An HTML friendly identifier for the currently displayed page.
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@ -46,9 +50,6 @@ export class AppComponent implements OnInit {
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@HostBinding('class')
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hostClasses = '';
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currentDocument: DocumentContents;
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footerNodes: NavigationNode[];
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isStarting = true;
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isSideBySide = false;
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private isSideNavDoc = false;
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@ -57,9 +58,8 @@ export class AppComponent implements OnInit {
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private sideBySideWidth = 1032;
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sideNavNodes: NavigationNode[];
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topMenuNodes: NavigationNode[];
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currentDocVersion: NavigationNode;
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docVersions: NavigationNode[];
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tocMaxHeight: string;
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private tocMaxHeightOffset = 0;
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versionInfo: VersionInfo;
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get homeImageUrl() {
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@ -86,10 +86,11 @@ export class AppComponent implements OnInit {
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constructor(
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private autoScrollService: AutoScrollService,
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private documentService: DocumentService,
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private hostElement: ElementRef,
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private locationService: LocationService,
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private navigationService: NavigationService,
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private swUpdateNotifications: SwUpdateNotificationsService
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) { }
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) { }
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ngOnInit() {
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this.onResize(window.innerWidth);
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@ -209,4 +210,19 @@ export class AppComponent implements OnInit {
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this.hostClasses = `${pageClass} ${folderClass} ${viewClass}`;
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}
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// Dynamically change height of table of contents container
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@HostListener('window:scroll')
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onScroll() {
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if (!this.tocMaxHeightOffset) {
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// Must wait until now for md-toolbar to be measurable.
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const el = this.hostElement.nativeElement as Element;
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this.tocMaxHeightOffset =
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el.querySelector('footer').clientHeight +
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el.querySelector('md-toolbar.app-toolbar').clientHeight +
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44; // margin
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}
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this.tocMaxHeight = (document.body.scrollHeight - window.pageYOffset - this.tocMaxHeightOffset).toFixed(2);
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}
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}
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@ -45,6 +45,9 @@ export class EmbeddedComponents {
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ContributorComponent,
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EmbeddedPlunkerComponent
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],
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exports: [
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TocComponent
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],
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providers: [
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ContributorService,
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CopierService,
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@ -1,6 +1,6 @@
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<div *ngIf="hasToc" [class.closed]="isClosed">
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<div *ngIf="!hasSecondary" class="toc-heading">Contents</div>
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<div *ngIf="hasSecondary" class="toc-heading secondary"
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<div *ngIf="hasSecondary" class="toc-heading secondary"
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(click)="toggle()"
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title="Expand/collapse contents"
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aria-label="Expand/collapse contents">
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@ -1,6 +1,7 @@
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import { Component, DebugElement } from '@angular/core';
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import { async, ComponentFixture, TestBed } from '@angular/core/testing';
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import { By, DOCUMENT } from '@angular/platform-browser';
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import { BehaviorSubject } from 'rxjs/BehaviorSubject';
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import { TocComponent } from './toc.component';
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import { TocItem, TocService } from 'app/shared/toc.service';
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@ -55,15 +56,36 @@ describe('TocComponent', () => {
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});
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it('should not display anything when no TocItems', () => {
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tocService.tocList = [];
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tocService.tocList.next([]);
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fixture.detectChanges();
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expect(tocComponentDe.children.length).toEqual(0);
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});
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it('should update when the TocItems are updated', () => {
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tocService.tocList.next([{}] as TocItem[]);
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fixture.detectChanges();
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expect(tocComponentDe.queryAllNodes(By.css('li')).length).toBe(1);
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tocService.tocList.next([{}, {}, {}] as TocItem[]);
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fixture.detectChanges();
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expect(tocComponentDe.queryAllNodes(By.css('li')).length).toBe(3);
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});
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it('should stop listening for TocItems once destroyed', () => {
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tocService.tocList.next([{}] as TocItem[]);
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fixture.detectChanges();
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expect(tocComponentDe.queryAllNodes(By.css('li')).length).toBe(1);
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tocComponent.ngOnDestroy();
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tocService.tocList.next([{}, {}, {}] as TocItem[]);
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fixture.detectChanges();
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expect(tocComponentDe.queryAllNodes(By.css('li')).length).toBe(1);
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});
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describe('when four TocItems', () => {
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beforeEach(() => {
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tocService.tocList.length = 4;
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tocService.tocList.next([{}, {}, {}, {}] as TocItem[]);
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fixture.detectChanges();
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page = setPage();
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});
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@ -92,8 +114,11 @@ describe('TocComponent', () => {
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});
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it('should have more than 4 displayed items', () => {
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let tocList: TocItem[];
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tocService.tocList.subscribe(v => tocList = v);
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expect(page.listItems.length).toBeGreaterThan(4);
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expect(page.listItems.length).toEqual(tocService.tocList.length);
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expect(page.listItems.length).toEqual(tocList.length);
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});
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it('should be in "closed" (not expanded) state at the start', () => {
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@ -154,7 +179,10 @@ describe('TocComponent', () => {
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});
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it('should display all items', () => {
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expect(page.listItems.length).toEqual(tocService.tocList.length);
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let tocList: TocItem[];
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tocService.tocList.subscribe(v => tocList = v);
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expect(page.listItems.length).toEqual(tocList.length);
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});
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it('should not have secondary items', () => {
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@ -185,7 +213,7 @@ class HostEmbeddedTocComponent {}
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class HostNotEmbeddedTocComponent {}
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class TestTocService {
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tocList: TocItem[] = getTestTocList();
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tocList = new BehaviorSubject<TocItem[]>(getTestTocList());
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}
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// tslint:disable:quotemark
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@ -1,4 +1,6 @@
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import { Component, ElementRef, OnInit } from '@angular/core';
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import { Component, ElementRef, OnDestroy, OnInit } from '@angular/core';
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import { Subject } from 'rxjs/Subject';
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import 'rxjs/add/operator/takeUntil';
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import { TocItem, TocService } from 'app/shared/toc.service';
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@ -7,13 +9,14 @@ import { TocItem, TocService } from 'app/shared/toc.service';
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templateUrl: 'toc.component.html',
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styles: []
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})
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export class TocComponent implements OnInit {
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export class TocComponent implements OnInit, OnDestroy {
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hasSecondary = false;
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hasToc = true;
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isClosed = true;
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isEmbedded = false;
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private primaryMax = 4;
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private onDestroy = new Subject();
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tocList: TocItem[];
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constructor(
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@ -24,16 +27,25 @@ export class TocComponent implements OnInit {
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}
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ngOnInit() {
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const tocList = this.tocList = this.tocService.tocList;
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const count = tocList.length;
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this.hasToc = count > 0;
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if (this.isEmbedded && this.hasToc) {
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// If TOC is embedded in doc, mark secondary (sometimes hidden) items
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this.hasSecondary = tocList.length > this.primaryMax;
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for (let i = this.primaryMax; i < count; i++) {
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tocList[i].isSecondary = true;
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}
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}
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this.tocService.tocList
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.takeUntil(this.onDestroy)
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.subscribe((tocList: TocItem[]) => {
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const count = tocList.length;
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this.hasToc = count > 0;
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this.hasSecondary = this.isEmbedded && this.hasToc && (count > this.primaryMax);
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this.tocList = tocList;
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if (this.hasSecondary) {
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for (let i = this.primaryMax; i < count; i++) {
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tocList[i].isSecondary = true;
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}
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}
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});
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}
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ngOnDestroy() {
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this.onDestroy.next();
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}
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toggle() {
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@ -6,6 +6,7 @@ import { TocItem, TocService } from './toc.service';
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describe('TocService', () => {
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let injector: ReflectiveInjector;
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let tocService: TocService;
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let lastTocList: TocItem[];
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// call TocService.genToc
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function callGenToc(html = '', docId = 'fizz/buzz'): HTMLDivElement {
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@ -22,34 +23,66 @@ describe('TocService', () => {
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TocService,
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]);
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tocService = injector.get(TocService);
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tocService.tocList.subscribe(tocList => lastTocList = tocList);
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});
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it('should be creatable', () => {
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expect(tocService).toBeTruthy();
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});
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describe('tocList', () => {
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it('should emit the latest value to new subscribers', () => {
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let value1: TocItem[];
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let value2: TocItem[];
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tocService.tocList.next([] as TocItem[]);
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tocService.tocList.subscribe(v => value1 = v);
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expect(value1).toEqual([]);
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tocService.tocList.next([{}, {}] as TocItem[]);
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tocService.tocList.subscribe(v => value2 = v);
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expect(value2).toEqual([{}, {}]);
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});
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it('should emit the same values to all subscribers', () => {
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const emittedValues: TocItem[][] = [];
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tocService.tocList.subscribe(v => emittedValues.push(v));
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tocService.tocList.subscribe(v => emittedValues.push(v));
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tocService.tocList.next([{ title: 'A' }, { title: 'B' }] as TocItem[]);
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expect(emittedValues).toEqual([
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[{ title: 'A' }, { title: 'B' }],
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[{ title: 'A' }, { title: 'B' }]
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]);
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});
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});
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describe('should clear tocList', () => {
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// Start w/ dummy data from previous usage
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beforeEach(() => tocService.tocList = [{}, {}] as TocItem[]);
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beforeEach(() => {
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// Start w/ dummy data from previous usage
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tocService.tocList.next([{}, {}] as TocItem[]);
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expect(lastTocList).not.toEqual([]);
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});
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it('when reset()', () => {
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tocService.reset();
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expect(tocService.tocList.length).toEqual(0);
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expect(lastTocList).toEqual([]);
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});
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it('when given undefined doc element', () => {
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tocService.genToc(undefined);
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expect(tocService.tocList.length).toEqual(0);
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expect(lastTocList).toEqual([]);
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});
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it('when given doc element w/ no headings', () => {
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callGenToc('<p>This</p><p>and</p><p>that</p>');
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expect(tocService.tocList.length).toEqual(0);
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expect(lastTocList).toEqual([]);
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});
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it('when given doc element w/ headings other than h2 & h3', () => {
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callGenToc('<h1>This</h1><h4>and</h4><h5>that</h5>');
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expect(tocService.tocList.length).toEqual(0);
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expect(lastTocList).toEqual([]);
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});
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it('when given doc element w/ no-toc headings', () => {
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@ -60,14 +93,13 @@ describe('TocService', () => {
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<h2 class="no-Toc">three</h2><p>some three</p>
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<h2 class="noToc">four</h2><p>some four</p>
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`);
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expect(tocService.tocList.length).toEqual(0);
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expect(lastTocList).toEqual([]);
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});
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});
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describe('when given many headings', () => {
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let docId: string;
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let docEl: HTMLDivElement;
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let tocList: TocItem[];
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let headings: NodeListOf<HTMLHeadingElement>;
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beforeEach(() => {
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@ -104,39 +136,38 @@ describe('TocService', () => {
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<h3 id="h3-6a">H3 6a</h3> <p>h3 toc 8</p>
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`, docId);
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tocList = tocService.tocList;
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headings = docEl.querySelectorAll('h1,h2,h3,h4') as NodeListOf<HTMLHeadingElement>;
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});
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it('should have tocList with expect number of TocItems', () => {
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// should ignore h1, h4, and the no-toc h2
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expect(tocList.length).toEqual(headings.length - 3);
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expect(lastTocList.length).toEqual(headings.length - 3);
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});
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it('should have href with docId and heading\'s id', () => {
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const tocItem = tocList[0];
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const tocItem = lastTocList[0];
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expect(tocItem.href).toEqual(`${docId}#heading-one-special-id`);
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});
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it('should have level "h2" for an <h2>', () => {
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const tocItem = tocList[0];
|
||||
const tocItem = lastTocList[0];
|
||||
expect(tocItem.level).toEqual('h2');
|
||||
});
|
||||
|
||||
it('should have level "h3" for an <h3>', () => {
|
||||
const tocItem = tocList[3];
|
||||
const tocItem = lastTocList[3];
|
||||
expect(tocItem.level).toEqual('h3');
|
||||
});
|
||||
|
||||
it('should have title which is heading\'s innerText ', () => {
|
||||
const heading = headings[3];
|
||||
const tocItem = tocList[2];
|
||||
const tocItem = lastTocList[2];
|
||||
expect(heading.innerText).toEqual(tocItem.title);
|
||||
});
|
||||
|
||||
it('should have "SafeHtml" content which is heading\'s innerHTML ', () => {
|
||||
const heading = headings[3];
|
||||
const content = tocList[2].content;
|
||||
const content = lastTocList[2].content;
|
||||
expect((<TestSafeHtml>content).changingThisBreaksApplicationSecurity)
|
||||
.toEqual(heading.innerHTML);
|
||||
});
|
||||
|
|
@ -147,20 +178,20 @@ describe('TocService', () => {
|
|||
});
|
||||
|
||||
it('should have href with docId and calculated heading id', () => {
|
||||
const tocItem = tocList[1];
|
||||
const tocItem = lastTocList[1];
|
||||
expect(tocItem.href).toEqual(`${docId}#h2-two`);
|
||||
});
|
||||
|
||||
it('should ignore HTML in heading when calculating id', () => {
|
||||
const id = headings[3].getAttribute('id');
|
||||
const tocItem = tocList[2];
|
||||
const tocItem = lastTocList[2];
|
||||
expect(id).toEqual('h2-three', 'heading id');
|
||||
expect(tocItem.href).toEqual(`${docId}#h2-three`, 'tocItem href');
|
||||
});
|
||||
|
||||
it('should avoid repeating an id when calculating', () => {
|
||||
const tocItem4a = tocList[5];
|
||||
const tocItem4b = tocList[6];
|
||||
const tocItem4a = lastTocList[5];
|
||||
const tocItem4b = lastTocList[6];
|
||||
expect(tocItem4a.href).toEqual(`${docId}#h2-4-repeat`, 'first');
|
||||
expect(tocItem4b.href).toEqual(`${docId}#h2-4-repeat-2`, 'second');
|
||||
});
|
||||
|
|
@ -174,7 +205,7 @@ describe('TocService', () => {
|
|||
|
||||
beforeEach(() => {
|
||||
docId = 'fizz/buzz/';
|
||||
expectedTocContent = 'Setup to develop <i>locally</i>.';
|
||||
expectedTocContent = 'Setup to develop <i>locally</i>.';
|
||||
|
||||
// An almost-actual <h2> ... with extra whitespace
|
||||
docEl = callGenToc(`
|
||||
|
|
@ -186,7 +217,7 @@ describe('TocService', () => {
|
|||
</h2>
|
||||
`, docId);
|
||||
|
||||
tocItem = tocService.tocList[0];
|
||||
tocItem = lastTocList[0];
|
||||
});
|
||||
|
||||
it('should have expected href', () => {
|
||||
|
|
|
|||
|
|
@ -1,10 +1,7 @@
|
|||
import { Inject, Injectable } from '@angular/core';
|
||||
import { DOCUMENT, DomSanitizer, SafeHtml } from '@angular/platform-browser';
|
||||
|
||||
import { ReplaySubject } from 'rxjs/ReplaySubject';
|
||||
|
||||
import { DocumentContents } from 'app/documents/document.service';
|
||||
|
||||
export interface TocItem {
|
||||
content: SafeHtml;
|
||||
href: string;
|
||||
|
|
@ -15,35 +12,40 @@ export interface TocItem {
|
|||
|
||||
@Injectable()
|
||||
export class TocService {
|
||||
tocList: TocItem[];
|
||||
tocList = new ReplaySubject<TocItem[]>(1);
|
||||
|
||||
constructor(@Inject(DOCUMENT) private document: any, private domSanitizer: DomSanitizer) { }
|
||||
|
||||
genToc(docElement: Element, docId = '') {
|
||||
const tocList = this.tocList = [];
|
||||
if (!docElement) { return; }
|
||||
const tocList = [];
|
||||
|
||||
const headings = docElement.querySelectorAll('h2,h3');
|
||||
const idMap = new Map<string, number>();
|
||||
if (docElement) {
|
||||
const headings = docElement.querySelectorAll('h2,h3');
|
||||
const idMap = new Map<string, number>();
|
||||
|
||||
for (let i = 0; i < headings.length; i++) {
|
||||
const heading = headings[i] as HTMLHeadingElement;
|
||||
// skip if heading class is 'no-toc'
|
||||
if (/(no-toc|notoc)/i.test(heading.className)) { continue; }
|
||||
for (let i = 0; i < headings.length; i++) {
|
||||
const heading = headings[i] as HTMLHeadingElement;
|
||||
|
||||
const id = this.getId(heading, idMap);
|
||||
const toc: TocItem = {
|
||||
content: this.extractHeadingSafeHtml(heading),
|
||||
href: `${docId}#${id}`,
|
||||
level: heading.tagName.toLowerCase(),
|
||||
title: heading.innerText.trim(),
|
||||
};
|
||||
tocList.push(toc);
|
||||
// skip if heading class is 'no-toc'
|
||||
if (/(no-toc|notoc)/i.test(heading.className)) { continue; }
|
||||
|
||||
const id = this.getId(heading, idMap);
|
||||
const toc: TocItem = {
|
||||
content: this.extractHeadingSafeHtml(heading),
|
||||
href: `${docId}#${id}`,
|
||||
level: heading.tagName.toLowerCase(),
|
||||
title: heading.innerText.trim(),
|
||||
};
|
||||
|
||||
tocList.push(toc);
|
||||
}
|
||||
}
|
||||
|
||||
this.tocList.next(tocList);
|
||||
}
|
||||
|
||||
reset() {
|
||||
this.tocList = [];
|
||||
this.tocList.next([]);
|
||||
}
|
||||
|
||||
// This bad boy exists only to strip off the anchor link attached to a heading
|
||||
|
|
|
|||
|
|
@ -1,9 +1,9 @@
|
|||
.toc-container {
|
||||
width: 18%;
|
||||
position: fixed;
|
||||
top: 84px;
|
||||
top: 96px;
|
||||
right: 0;
|
||||
bottom: 18px;
|
||||
bottom: 32px;
|
||||
overflow-y: auto;
|
||||
overflow-x: hidden;
|
||||
|
||||
|
|
@ -13,6 +13,20 @@
|
|||
}
|
||||
}
|
||||
|
||||
aio-toc {
|
||||
&.embedded {
|
||||
@media (min-width: 801px) {
|
||||
display: none;
|
||||
}
|
||||
}
|
||||
|
||||
&:not(.embedded) {
|
||||
@media (max-width: 800px) {
|
||||
display: none;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
aio-toc > div {
|
||||
font-size: 13px;
|
||||
overflow-y: visible;
|
||||
|
|
@ -141,6 +155,6 @@ aio-toc > div {
|
|||
}
|
||||
}
|
||||
|
||||
aio-toc > div.closed li.secondary {
|
||||
aio-toc.embedded > div.closed li.secondary {
|
||||
display: none;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue