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React.jsでRateする
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| <!doctype html> | |
| <head> | |
| <link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.2.0/css/font-awesome.min.css" /> | |
| <style> | |
| * { | |
| margin : 0; | |
| padding : 0; | |
| } | |
| main: { | |
| display : block; | |
| text-align : center; | |
| } | |
| .star-box { | |
| margin: 24px; | |
| width : 600px; | |
| text-align : center; | |
| } | |
| .star-box-count, | |
| .star-box-stars{ | |
| display: inline-block; | |
| margin: 0 12px; | |
| } | |
| .star, | |
| .trash { | |
| display: inline-block; | |
| margin: 0 3px; | |
| padding: 0 3px; | |
| color: #77ff33; | |
| border-radius : 18pt; | |
| font-size: 40pt; | |
| } | |
| .star-focus-on { | |
| background-color : #ffffaa; | |
| } | |
| </style> | |
| <script src="http://fb.me/react-0.12.2.js"></script> | |
| <script src="http://fb.me/JSXTransformer-0.12.2.js"></script> | |
| </head> | |
| <body> | |
| <main id="main"></main> | |
| <script type="text/jsx"> | |
| 'use strict' | |
| var Count = React.createClass({ | |
| render: function () { | |
| return ( | |
| <div className="star-box-count">{this.props.count}</div> | |
| ) | |
| } | |
| }) | |
| var Star = React.createClass({ | |
| render: function () { | |
| var rateFlg = this.props.rate > this.props.val | |
| var focusFlg = this.props.isStarFocus | |
| return ( | |
| <i className={ | |
| "fa " + (rateFlg ? "fa-star" : "fa-star-o") + | |
| " star star-focus-" + (focusFlg ? 'on' : 'off') | |
| } | |
| onClick={this.handleClick} | |
| onMouseOver={this.handleFocus} | |
| onMouseOut={this.handleBlur} | |
| ></i> | |
| ) | |
| } | |
| , handleClick: function () { | |
| this.props.onStarClick(this.props.val) | |
| } | |
| , handleFocus: function () { | |
| this.props.onStarFocus(this.props.val) | |
| } | |
| , handleBlur: function () { | |
| this.props.onStarFocus(null) | |
| } | |
| }) | |
| var Stars = React.createClass({ | |
| render: function () { | |
| return ( | |
| <div className="star-box-stars">{this.createStars()}</div> | |
| ) | |
| } | |
| , getInitialState: function () { | |
| return {focusRange: null} | |
| } | |
| , createStars: function () { | |
| var stars = [], i = 0, max = this.props.max | |
| var focusRange = this.state.focusRange | |
| for (; i < max; i++) { | |
| stars[i] = ( | |
| <Star | |
| key={"id-" + i} | |
| rate={this.props.rate} | |
| val={i} | |
| isStarFocus={null !== focusRange && focusRange >= i ? true : false} | |
| onStarClick={this.handleStarClick} | |
| onStarFocus={this.handleStarFocus} | |
| /> | |
| ) | |
| } | |
| return stars | |
| } | |
| , handleStarClick: function (n) { | |
| this.props.onStarsClick(n) | |
| } | |
| , handleStarFocus: function (n) { | |
| this.setState({focusRange: n}) | |
| } | |
| }) | |
| var RemoveStar = React.createClass({ | |
| render: function () { | |
| return ( | |
| <i className="fa fa-trash-o trash" | |
| onClick={this.handleClick} | |
| ></i> | |
| ) | |
| } | |
| , handleClick: function (ev) { | |
| ev.preventDefault() | |
| this.props.onRemoveStarClick() | |
| } | |
| }) | |
| var StarBox = React.createClass({ | |
| render: function () { | |
| return ( | |
| <div className="star-box"> | |
| <Count count={this.state.rate} /> | |
| <Stars rate={this.state.rate} max={this.state.max} onStarsClick={this.handleStarsClick} /> | |
| <RemoveStar onRemoveStarClick={this.handleRemoveStar} /> | |
| </div> | |
| ) | |
| } | |
| , getInitialState: function () { | |
| var rate = this.props.rate || 0 | |
| return { | |
| max: 5 | |
| , rate: this.props.rate || 0 | |
| } | |
| } | |
| , handleRemoveStar: function () { | |
| this.setState({rate: 0}) | |
| } | |
| , handleStarsClick: function (n) { | |
| this.setState({rate: n + 1}) | |
| } | |
| }) | |
| var rate = 3 | |
| React.render( | |
| <StarBox rate={rate} /> | |
| , document.querySelector('#main') | |
| ) | |
| </script> | |
| </body> |
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