<!DOCTYPE html>
<html>
<head>
<base href="." />
<title>angular 5 + flex layout</title>
<style>
my-app {
font-size: 1.2em;
}
input[type=checkbox] {
width: 20px;
height: 20px;
cursor: pointer;
}
.fancyBox {
background: #08c;
color: white;
display: inline-block;
padding: 0.5em;
}
@keyframes fadeIn {
from {opacity: 0;}
to {opacity: 1;}
}
@keyframes fadeOut {
from {opacity: 1;}
to {opacity: 0;}
}
.hiding {
animation: .5s ease-in-out fadeOut;
}
.showing {
opacity: 1;
animation: .5s ease-in-out fadeIn;
}
</style>
<!-- polyfill(s) for older browsers -->
<script src="https://unpkg.com/core-js/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.8.16?main=browser"></script>
<!--<script src="https://unpkg.com/reflect-metadata@0.1.10"></script>-->
<script src="https://unpkg.com/systemjs@0.20.18/dist/system.src.js"></script>
<script src="https://unpkg.com/web-animations-js@2.3.1"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('app').catch(function (err) { console.error(err); });
</script>
</head>
<body>
<my-app>
loading...
</my-app>
</body>
</html>
//our root app component
import { Component, NgModule, VERSION} from '@angular/core'
import { BrowserModule} from '@angular/platform-browser'
@Component({
selector: 'my-app',
template: `
<p>Toggle element with animation <input type=checkbox [(ngModel)]="isVisible"><p>
<p>
<span class="fancyBox" *appAnimatedIf="isVisible">Click the checkbox above to toggle me!</span>
</p>
`,
})
export class AppComponent {
public isVisible: boolean = true;
}
import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { BrowserModule } from '@angular/platform-browser';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { AppComponent } from './app.component';
import { AnimatedIfDirective } from './animatedif.directive';
@NgModule({
imports: [
BrowserModule,
BrowserAnimationsModule,
FormsModule,
],
declarations: [
AppComponent,
AnimatedIfDirective,
],
providers: [
],
bootstrap: [AppComponent]
})
export class AppModule { }
(function (global) {
var angVer = '5.0.0-beta.6';
System.config({
transpiler: 'ts',
typescriptOptions: {
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"lib": [ "es2015", "dom" ],
"module": "commonjs",
"moduleResolution": "node",
"noImplicitAny": true,
"sourceMap": true,
"suppressImplicitAnyIndexErrors": true,
"target": "es5"
},
meta: {
'typescript': {
"exports": "ts"
}
},
paths: {
'npm:': 'https://unpkg.com/',
'gh:': 'https://raw.githubusercontent.com/'
},
map: {
"app": "app",
"rxjs": "npm:rxjs@5.4.3",
"ts": "npm:plugin-typescript@7.1.0/lib/plugin.js",
"typescript": "npm:typescript@2.4.2/lib/typescript.js",
"@angular/core": "npm:@angular/core@" + angVer + "/bundles/core.umd.js",
"@angular/common": "npm:@angular/common@" + angVer + "/bundles/common.umd.js",
"@angular/compiler": "npm:@angular/compiler@" + angVer + "/bundles/compiler.umd.js",
"@angular/platform-browser": "npm:@angular/platform-browser@" + angVer + "/bundles/platform-browser.umd.js",
"@angular/platform-browser-dynamic": "npm:@angular/platform-browser-dynamic@" + angVer + "/bundles/platform-browser-dynamic.umd.js",
"@angular/http": "npm:@angular/http@" + angVer + "/bundles/http.umd.js",
"@angular/router": "npm:@angular/router@" + angVer + "/bundles/router.umd.js",
"@angular/forms": "npm:@angular/forms@" + angVer + "/bundles/forms.umd.js",
"@angular/animations": "npm:@angular/animations@" + angVer + "/bundles/animations.umd.js",
"@angular/animations/browser": "npm:@angular/animations@" + angVer + "/bundles/animations-browser.umd.js",
"@angular/platform-browser/animations": "npm:@angular/platform-browser@" + angVer + "/bundles/platform-browser-animations.umd.js",
"@angular/flex-layout": "npm:@angular/flex-layout@2.0.0-beta.9"
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
app: {
main: './main.ts',
defaultExtension: 'ts'
},
rxjs: {
defaultExtension: 'js'
}
}
});
if (!global.noBootstrap) { bootstrap(); }
// Bootstrap the `AppModule`(skip the `app/main.ts` that normally does this)
function bootstrap() {
// Stub out `app/main.ts` so System.import('app') doesn't fail if called in the index.html
System.set(System.normalizeSync('app/main.ts'), System.newModule({ }));
// bootstrap and launch the app (equivalent to standard main.ts)
Promise.all([
System.import('@angular/platform-browser-dynamic'),
System.import('app/app.module')
])
.then(function (imports) {
var platform = imports[0];
var app = imports[1];
platform.platformBrowserDynamic().bootstrapModule(app.AppModule);
})
.catch(function(err){ console.error(err); });
}
})(this);
import {NgIf} from '@angular/common';
import {
Directive,
EmbeddedViewRef,
EventEmitter,
Input,
OnDestroy,
Output,
TemplateRef,
ViewContainerRef
} from '@angular/core';
/**
* The "animationend" event won't be fired if the element doesn't have animation applied to it.
* This utility function uses a timeout as a fallback to ensure the callback is fired.
*/
function animationEndSafe(el: Element, maxWait: number): Promise {
return new Promise((resolve, reject) => {
el.addEventListener('animationend', resolve);
setTimeout(resolve, maxWait);
});
}
@Directive({
selector: '[appAnimatedIf]',
})
export class AnimatedIfDirective extends NgIf {
private visible = false;
@Input()
set appAnimatedIf(val: boolean) {
if (this.visible && !val) {
this.hide();
} else if (!this.visible && val) {
this.show();
}
this.visible = val;
}
@Output() animatedIfOnShow = new EventEmitter<any>(false);
@Output() animatedIfOnHide = new EventEmitter<any>(false);
constructor(private viewContainer: ViewContainerRef, _templateRef: TemplateRef<any>) {
super(viewContainer, _templateRef);
// any extra initialization goes here...
}
private getContainer(): HTMLElement|null {
if (this.viewContainer.length > 0) {
return (this.viewContainer.get(0) as EmbeddedViewRef<any>).rootNodes[0];
} else {
return null;
}
}
/**
* Hides the element. Animation is performed through css on the container.
* This method will set the class to hiding and preserve the element for the animation duration.
*/
private hide() {
let container = this.getContainer();
if (!!container) {
container.classList.remove('showing');
container.classList.add('hiding');
animationEndSafe(container, 1000).then(() => {
this.ngIf = this.visible;
container.classList.remove('hiding');
});
this.animatedIfOnHide.emit();
}
}
/**
* Shows the element. Animation is performed through css on the container
*/
private show() {
this.ngIf = true;
let container = this.getContainer();
if (!!container) {
container.classList.remove('hiding');
container.classList.add('showing');
animationEndSafe(container, 1000).then(() => {
container.classList.remove('showing');
});
this.animatedIfOnShow.emit();
}
}
}