added step 49

Author: ziaukhan

step49_animations_automatic_property_calculation/.gitignore

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+node_modules

step49_animations_automatic_property_calculation/app/app.component.js

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+import {
+ Component,
+ Input,
+ trigger,
+ state,
+ style,
+ transition,
+ animate
+} from '@angular/core';
+
+import { Hero } from './hero';
+
+@Component({
+ moduleId: module.id,
+ selector: 'my-app',
+ template: `
+ <ul class="heroes">
+ <li *ngFor="let hero of heroes"
+ @shrinkOut="hero.state"
+ (click)="deleteHero(hero)">
+ {{hero.name}}
+ </li>
+ </ul>
+ <form (ngSubmit)="onSubmit()">
+ <div>
+ <label for="name">Name</label>
+ <input type="text" required
+ [(ngModel)]="model.name" name="name">
+ </div>
+ <button type="submit">Submit</button>
+ </form>
+ `,
+
+ styles: [`
+ .heroes {
+ margin: 0 0 2em 0;
+ list-style-type: none;
+ padding: 0;
+ width: 15em;
+ }
+ .heroes li {
+ position: relative;
+ left: 0;
+ background-color: #EEE;
+ margin: .5em;
+ padding: .3em 0;
+ height: 1.6em;
+ border-radius: 4px;
+ }
+ .heroes .text {
+ position: relative;
+ top: -3px;
+ }
+ 
+`],
+ animations: [
+ trigger('shrinkOut', [
+ state('in', style({height: '*'})),
+ transition('* => void', [
+ style({height: '*'}),
+ animate(250, style({height: 0}))
+ ])
+ ])
+]
+
+
+})
+export class AppComponent {
+ heroes: Hero[];
+ model = new Hero('');
+
+ constructor(){
+ this.heroes = [
+ new Hero('Mr. Zeeshan'),
+ new Hero('Miss Hira'),
+ new Hero('Mr. Inam'),
+ new Hero('Mr. Taha'),
+ new Hero('Mr. Rehan')
+ ];
+ }
+
+ onSubmit() { 
+ console.log("form submited:" + JSON.stringify(this.model));
+ this.heroes.push(this.model);
+ this.model = new Hero('');
+ }
+
+ deleteHero(hero: Hero){
+ this.heroes.forEach((ele, index) => {
+ if(ele.name === hero.name){
+ this.heroes.splice(index, 1);
+ console.log(index);
+ console.log(this.heroes.length);
+ }
+ })
+ 
+ }
+
+ 
+}

step49_animations_automatic_property_calculation/app/app.component.js.map

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+export class Hero {
+ name: string;
+ state: string;
+ 
+ constructor(name){
+ this.name = name;
+ this.state = "in";
+ }
+
+ 
+}

step49_animations_automatic_property_calculation/app/app.component.ts

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+import { bootstrap } from '@angular/platform-browser-dynamic';
+import { AppComponent } from './app.component';
+import { disableDeprecatedForms, provideForms } from '@angular/forms';
+
+bootstrap(AppComponent, [
+ disableDeprecatedForms(),
+ provideForms()
+ ]);
+
+