import { Component } from '@angular/core';
import { TodoItem } from './todo/todo.model';
import { TodoInputComponent } from './todo-input.component';
import { TodoListComponent } from './todo/todos.component';

@Component({
  selector: 'todo-app',
  template: `
    <h1>{{title}}</h1>
    <todo-input (onNewInput)="newTodoItem($event)"></todo-input>
    <todo-list [todos]="todos"></todo-list>
  `,
  directives: [TodoInputComponent, TodoListComponent]
})
export class AppComponent {
  private title = 'Angular 2 Todo 리스트';
  private todos: TodoItem[];
  
  constructor() {
    this.todos = [];
  }
  
  private newTodoItem($event) {
    console.log(`New Item: ${JSON.stringify($event)}`)
    this.todos.push($event);
  }
}
// The usual bootstrapping imports
import { bootstrap }    from '@angular/platform-browser-dynamic';

import { AppComponent } from './app.component';

bootstrap(AppComponent);
.btn-grp {
  background-color: grey;
}

.items {
  border: 1px solid #3E3E3E;
}
.priority-grp {
  padding: 5px 0;
}
<!DOCTYPE html>
<html>
  <head>
    <title>Angular 2 Plunker Template</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="styles.css">

    <!-- 1. Load libraries -->
     <!-- Polyfill(s) for older browsers -->
    <script src="https://npmcdn.com/core-js/client/shim.min.js"></script>

    <script src="https://npmcdn.com/zone.js@0.6.12?main=browser"></script>
    <script src="https://npmcdn.com/reflect-metadata@0.1.3"></script>
    <script src="https://npmcdn.com/systemjs@0.19.27/dist/system.src.js"></script>

    <!-- 2. Configure SystemJS -->
    <script src="systemjs.config.js"></script>
    <script>
      System.import('app').catch(function(err){ console.error(err); });
    </script>
  </head>

  <!-- 3. Display the application -->
  <body>
    <todo-app>Loading...</todo-app>
  </body>
</html>
/**
 * PLUNKER VERSION (based on systemjs.config.js in angular.io)
 * System configuration for Angular 2 samples
 * Adjust as necessary for your application needs.
 */
(function(global) {

  var ngVer = '@2.0.0-rc.3'; // lock in the angular package version; do not let it float to current!
  var routerVer = '@3.0.0-alpha.7'; // lock router version
  var formsVer = '@0.1.1'; // lock forms version

  //map tells the System loader where to look for things
  var  map = {
    'app':                        'app',

    '@angular':                   'https://npmcdn.com/@angular', // sufficient if we didn't pin the version
    '@angular/router':            'https://npmcdn.com/@angular/router' + routerVer,
    '@angular/forms':             'https://npmcdn.com/@angular/forms' + formsVer,
    'angular2-in-memory-web-api': 'https://npmcdn.com/angular2-in-memory-web-api', // get latest
    'rxjs':                       'https://npmcdn.com/rxjs@5.0.0-beta.6',
    'ts':                         'https://npmcdn.com/plugin-typescript@4.0.10/lib/plugin.js',
    'typescript':                 'https://npmcdn.com/typescript@1.9.0-dev.20160409/lib/typescript.js',
 };

  //packages tells the System loader how to load when no filename and/or no extension
  var packages = {
    'app':                        { main: 'main.ts',  defaultExtension: 'ts' },
    'rxjs':                       { defaultExtension: 'js' },
    'angular2-in-memory-web-api': { main: 'index.js', defaultExtension: 'js' },
  };

  var ngPackageNames = [
    'common',
    'compiler',
    'core',
    'http',
    'platform-browser',
    'platform-browser-dynamic',
    'router-deprecated',
    'upgrade',
  ];

  // Add map entries for each angular package
  // only because we're pinning the version with `ngVer`.
  ngPackageNames.forEach(function(pkgName) {
    map['@angular/'+pkgName] = 'https://npmcdn.com/@angular/' + pkgName + ngVer;
  });

  // Add package entries for angular packages
  ngPackageNames.forEach(function(pkgName) {

    // Bundled (~40 requests):
    packages['@angular/'+pkgName] = { main: '/bundles/' + pkgName + '.umd.js', defaultExtension: 'js' };

    // Individual files (~300 requests):
    //packages['@angular/'+pkgName] = { main: 'index.js', defaultExtension: 'js' };
  });

  // No umd for router yet
  packages['@angular/router'] = { main: 'index.js', defaultExtension: 'js' };

  // Forms not on rc yet
  packages['@angular/forms'] = { main: 'index.js', defaultExtension: 'js' };

  var config = {
    // DEMO ONLY! REAL CODE SHOULD NOT TRANSPILE IN THE BROWSER
    transpiler: 'ts',
    typescriptOptions: {
      tsconfig: true
    },
    meta: {
      'typescript': {
        "exports": "ts"
      }
    },
    map: map,
    packages: packages
  };

  System.config(config);

})(this);


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/
{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": true,
    "suppressImplicitAnyIndexErrors": true
  }
}
import { Component, Input } from '@angular/core';
import { CORE_DIRECTIVES} from '@angular/common';
import { TodoItemComponent } from './todo.component';
import { TodoItem } from './todo.model';

@Component({
  selector: 'todo-list',
  template: `
  <div class="items">
    <todo-item *ngFor="let todo of todos" [todo]="todo"></todo-item>
  </div>
  `,
  directives: [TodoItemComponent]
})
export class TodoListComponent {
  @Input() todos: TodoItem[];
}
import { Component, Input, onChanges } from '@angular/core';
import { TodoItem } from './todo.model';
import { PriorityDirective } from './priority.directive';

@Component({
  selector: 'todo-item',
  template: `<div todo-priority>{{getTodoItemContent()}}</div>`,
  directives: [PriorityDirective]
})
export class TodoItemComponent implements onChanges {
  @Input() todo: TodoItem;
  
  ngOnChanges(changes: {}) {
    console.log(`Previous: ${JSON.stringify(changes.todo.previousValue)}]nCurrent: ${JSON.stringify(changes.todo.currentValue)}`);
  }
  
  getTodoItemContent() {
    return `${this.todo.priority}, ${this.todo.content}, ${this.todo.createdAt}`;
  }
}
export class TodoItem {
  priority: number;
  content: string;
  createdAt: string;

  constructor() {
    this.priority = 0;
    this.content = '';
  }
  
}
import { Directive, ElementRef, Renderer, Input } from '@angular/core';

@Directive({
  selector: '[todo-priority]'
})
export class PriorityDirective {
  
  constructor(el: ElementRef, renderer: Renderer) {
    renderer.setElementClass(el.nativeElement, 'priority-grp', true);
  }
}
import { Component, Output, EventEmitter } from '@angular/core';
import { TodoItem } from './todo/todo.model';

@Component({
  selector: 'todo-input',
  template: `
  <div class="input-grp">
    <label for="priority">우선순위</label><input type="number" name="priority" [(ngModel)]="todoItem.priority" />
    <label for="content">내용</label><input type="text" name="content" [(ngModel)]="todoItem.content" />
  </div>
  <div class="btn-grp">
    <button type="button" (click)="addTodo()">추가</button>
    <button type="button" (click)="initTodo()">내용 초기화</button>
  </div>
  `
})
export class TodoInputComponent {
  @Output('onNewInput') onInputTodoItem: EventEmitter<TodoItem> = new EventEmitter<TodoItem>();
  private todoItem: TodoItem;
  
  constructor() {
    this.todoItem = new TodoItem();
  }
  
  private addTodo() {
    this.todoItem.createdAt = new Date().toISOString().substr(0,19);
    console.log(`Added new todo item ${JSON.stringify(this.todoItem)}`);
    this.onInputTodoItem.emit(this.todoItem);
    
    this.initTodo();
  }
  
  private initTodo() {
    this.todoItem = new TodoItem();
  }
}