adds updated third demo to homepage
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// #docregion
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import {Component, Directive, Input, QueryList} from 'angular2/core';
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@Directive({
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selector: '[bsPane]'
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})
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export class BsPane {
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@Input() title: string;
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}
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@Component({
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selector: 'tabs',
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template: `
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<ul class="nav nav-tabs">
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<li *ngFor="var pane of panes"
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role="presentation" [class.active]="pane.active">
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<a href="javascript: false">{{pane.title}}</a>
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</li>
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</ul>`
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})
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export class BsTabs {
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//@ContentChildren(BsPane) panes: QueryList<Pane>;
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}
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@ -1,17 +1,42 @@
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// #docregion
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import {Component} from 'angular2/core';
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import {BsTabs, BsPane} from './bs_tabs';
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import {UiTabs, UiPane} from './ui_tabs';
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@Component({
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selector: 'di-demo',
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template: `
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Demo:
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<bs-tabs>
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<div *bsPane="title: 'Summary'">
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summary text ...
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</div>
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</bs-tabs>`,
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directives: [BsTabs, BsPane]
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<h4>Tabs Demo</h4>
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<ui-tabs>
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<template ui-pane title='Overview' active="true">
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You have {{details.length}} details.
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</template>
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<template *ngFor="#detail of details" ui-pane [title]="detail.title">
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{{detail.text}} <br><br>
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<button class="btn" (click)="removeDetail(detail)">Remove</button>
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</template>
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<template ui-pane title='Summary'>
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Next last ID is {{id}}.
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</template>
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</ui-tabs>
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<hr>
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<button class="btn" (click)="addDetail()">Add Detail</button>
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`,
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directives: [UiTabs, UiPane]
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})
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export class DiDemo {
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details: Detail[] = [];
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id: number = 0;
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addDetail() {
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this.id++;
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this.details.push({
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title: `Detail ${this.id}`,
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text: `Some detail text for ${this.id}...`
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});
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}
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removeDetail(detail) {
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this.details = this.details.filter((d) => d !== detail);
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}
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}
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@ -4,6 +4,7 @@
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<head>
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<title>Angular 2 QuickStart</title>
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<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">
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<!-- 1. Load libraries -->
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<script src="https://rawgithub.com/systemjs/systemjs/0.19.6/dist/system.js"></script>
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@ -32,7 +33,7 @@
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<!-- 4. Display the application -->
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<body>
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<di-demo>Loading...</di-demo>
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<di-demo class="container" style="display: block;">Loading...</di-demo>
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</body>
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</html>
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@ -0,0 +1,50 @@
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// #docregion
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import {Component, Directive, Input, QueryList,
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ViewContainerRef, TemplateRef, ContentChildren} from 'angular2/core';
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@Directive({
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selector: '[ui-pane]'
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})
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export class UiPane {
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@Input() title: string;
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private _active:boolean = false;
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constructor(public viewContainer: ViewContainerRef,
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public templateRef: TemplateRef) { }
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@Input() set active(active: boolean) {
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if (active == this._active) return;
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this._active = active;
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if (active) {
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this.viewContainer.createEmbeddedView(this.templateRef);
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} else {
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this.viewContainer.remove(0);
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}
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}
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get active(): boolean {
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return this._active;
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}
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}
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@Component({
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selector: 'ui-tabs',
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template: `
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<ul class="nav nav-tabs">
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<li *ngFor="var pane of panes"
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(click)="select(pane)"
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role="presentation" [class.active]="pane.active">
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<a href="javascript: false">{{pane.title}}</a>
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</li>
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</ul>
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<ng-content></ng-content>
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`
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})
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export class UiTabs {
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@ContentChildren(UiPane) panes: QueryList<UiPane>;
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select(pane: UiPane) {
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this.panes.toArray().forEach((p: UiPane) => p.active = p == pane);
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}
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}
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@ -22,7 +22,7 @@ div
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+makeTabs('../docs/_fragments/homepage-hello-world/ts/src/hello_world.ts,../docs/_fragments/homepage-hello-world/ts/src/hello_world.html,../docs/_fragments/homepage-hello-world/ts/src/index.html', null, 'hello_world.ts,hello_world.html,index.html')
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br
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div
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h3.text-headline Structuring apps with components
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h3.text-headline Structuring Apps With Components
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p.text-body Groups of coordinated components divide the responsibilities of our application. This ToDo list app has a separate component for the form, the list, and the core app logic. Where the previous example component referenced templates in separate files, this one shows using inline templates.
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p.text-body Defining types as we do here in Todo.ts communicates our intention to other developers, helps us find bugs in our code, and lets IDEs do more work for us in refactoring, code navigation, and code completion.
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p(style='text-align:right')
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@ -31,3 +31,12 @@ div
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| Try in Plunker
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+makeTabs('../docs/_fragments/homepage-todo/ts/src/todo_app.ts,../docs/_fragments/homepage-todo/ts/src/todo_form.ts,../docs/_fragments/homepage-todo/ts/src/todo_list.ts,../docs/_fragments/homepage-todo/ts/src/todo.ts,../docs/_fragments/homepage-todo/ts/src/index.html', null, 'todo_app.ts,todo_form.ts,todo_list.ts,todo.ts,index.html')
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br
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div
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h3.text-headline Advanced Component Communication
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p.text-body This demo shows an efficient implementation of tabs/panes. Each pane is only instantiated while it is visible. Panes which are not visible are released and do not have associated memory, DOM and change detection cost.
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p.text-body The demo also showcases dependency injection and the ability of one component to query for other components. Such queries automatically update even as detail panes are added. This allows tobs component to work with <code>ngFor</code> without any special knowledge of it.
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p(style='text-align:right')
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md-button.md-primary(href='http://plnkr.co/edit/PK6Hyg?p=preview' target='_blank')
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span.icon-open-in-new
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| Try in Plunker
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+makeTabs('../docs/_fragments/homepage-tabs/ts/src/ui_tabs.ts,../docs/_fragments/homepage-tabs/ts/src/di_demo.ts,../docs/_fragments/homepage-tabs/ts/src/index.html', null, 'ui_tabs.ts,di_demo.ts,index.html')
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