react_prac/randomAddNewNotes.html at master · saikiran939/react_prac · GitHub

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<html>
<head>

 <script src="https://fb.me/react-15.2.1.js"></script>
 <script src="https://fb.me/react-dom-15.2.1.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.34/browser.js"></script>
<title> ES6 Stateless component!</title>
<link rel="stylesheet" type="text/css" href="style.css"/>

<script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/1.0.0/fetch.js"> </script>
<script src="https://npmcdn.com/react-draggable"></script>

</head>

<body>

<div id="react-container">
</div>


<script type="text/babel">
		var Note = React.createClass({
			getInitialState(){
				return {editing:false};
			},

			componentWillMount(){
				this.style = {
					right: this.randomBetween(0, window.innerWidth - 150, 'px'),
					top: this.randomBetween(0, window.innerHeight - 150, 'px')
				}
			},

			randomBetween(x, y, s){

				var pos = (x + Math.ceil(Math.random() * (y - x)));
				console.log(pos)
				return pos + s;
			},

			save(){
				this.props.onChange(this.refs.saveText.value, this.props.id);
				this.setState({editing:false});
			},

			edit(){
				this.setState({editing:true});
			},

			remove(){
				this.props.onRemove(this.props.id);
				this.setState({editing:false});
			},

			componentDidUpdate(){
				if(this.state.editing){
					this.refs.saveText.focus();
					this.refs.saveText.select();
				}

			},

			shouldComponentUpdate(nextProps, nextState){
				return (this.props.children != nextProps.children ) || (this.state != nextState);
			},

			renderForm(){
				return (
						<div className="note"
						style={this.style}>
							<textarea ref="saveText" defaultValue={this.props.children}></textarea>
							<button onClick={this.save}>SAVE</button>
						</div>
				)
			},

			renderNote(){
				return (	<div className="note" style={this.style}>
								<p>{this.props.children}</p>
								<span>
									<button onClick={this.edit}>EDIT</button>
									<button onClick={this.remove}>X</button>
								</span>
							</div>
					)
			},

			render(){
				return (<ReactDraggable>
							{
									(this.state.editing) ? this.renderForm(): this.renderNote()
							}
						</ReactDraggable>
					   );
			}
		});

		var Board = React.createClass({
				propTypes:{
					count: function(props, propName){
							if(typeof props[propName] != "number"){
								return Error("Count must be a number");
							}

						if(props[propName] > 100){
							return new Error("cannot support that many notes");
						}
					}

				},

				componentWillMount(){

					if(this.props.count){
						 var url = `http://baconipsum.com/api/?type=all-meat&sentences=${this.props.count}`
						 fetch(url).then(results => results.json())
						 		   .then(array => array[0])
						 		   .then(text => text.split('. '))
						 		   .then(array => array.forEach(
						 		   		sentence => this.add(sentence)
						 		   	))
						 		   .catch(function(err){
						 		   		console.log('didnt connect to api', err);
						 		   });
					}
				},

				getInitialState(){
					return {
							notes: [


									]
					}
				},

				nextId(){
					this.uniqueId = this.uniqueId || 0;
					return this.uniqueId++;
				},

				add(text){
					if(!text)
					  text = "Add New note";
					var notes = [...this.state.notes, {id: this.nextId(), note: text}]
					this.setState({notes});

				},
				update(newText, id){
					var notes = this.state.notes.map(
						note => (note.id !== id) ? note: {
														  ...note,
									 					  note: newText
														}
					)

					this.setState({notes});
				},

				remove(id){

					var notes = this.state.notes.filter(note => (note.id !== id));
					this.setState({notes});
				},

				eachNote(note){
					return (<Note key={note.id} id={note.id} onChange={this.update} onRemove={this.remove}> {note.note} </Note>
						);
				},

				render(){
					return (<div className="Board">
								{this.state.notes.map(this.eachNote)}
								<button onClick={() => this.add()}>+</button>
							</div>)
				}

		});

		ReactDOM.render(<Board count={10}/>,
                document.getElementById('react-container'))

</script>

</body>

</html>xx