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counter
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Counter</title> | |
| <link rel="stylesheet" href="/r/screen.css" media="screen"> | |
| <meta name="description" content="An HTML5 counter"> | |
| <link rel="icon" type="image/png" href="/r/icon.png"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script> | |
| <!-- <script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.13.2/react.js"></script> --> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.13.2/react.min.js"></script> | |
| <script src="counter.js"></script> | |
| </head> | |
| <body> | |
| <div id="counterContainer"> | |
| </div> | |
| <script> | |
| counterInit(); | |
| </script> | |
| </body> | |
| </html> |
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| var svg = React.createFactory("svg"); | |
| var g = React.createFactory("g"); | |
| var circle = React.createFactory("circle"); | |
| var text = React.createFactory("text"); | |
| var Counter = React.createClass({ | |
| getInitialState: function() { | |
| return {clicks: 0}; | |
| }, | |
| handleClick: function(event) { | |
| this.setState({clicks: this.state.clicks + 1}); | |
| }, | |
| render: function() { | |
| return svg(_.extend({style: {cursor: "pointer"}, | |
| onClick: this.handleClick}, this.props), | |
| [g({transform: "translate(" + (this.props.width / 2) + ", " + (this.props.height / 2) + ")"}, | |
| [circle({cx: 0, cy: 0, r: this.props.radius, | |
| fill: "none", stroke: "#333", strokeWidth: 40}), | |
| text({x: 0, y: 0, | |
| style: {fontFamily: "monospace", | |
| fontSize: this.props.radius, | |
| fill: "#333", | |
| stroke: "#333", | |
| textAnchor: "middle", | |
| dominantBaseline: "middle"}}, | |
| this.state.clicks)])]); | |
| }, | |
| }); | |
| var counter = React.createFactory(Counter); | |
| function counterInit() { | |
| var width = window.innerWidth; | |
| var height = window.innerHeight - 20; | |
| var radius = _.min([width, height]) / 3; | |
| React.render( | |
| counter({height: height, width: width, radius: radius}), | |
| document.getElementById("counterContainer") | |
| ); | |
| } |
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