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- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title>Snap Draggable - jQuery EasyUI Demo</title>
- <link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
- <link rel="stylesheet" type="text/css" href="../../themes/icon.css">
- <link rel="stylesheet" type="text/css" href="../demo.css">
- <script type="text/javascript" src="../../jquery.min.js"></script>
- <script type="text/javascript" src="../../jquery.easyui.min.js"></script>
- </head>
- <body>
- <h2>Snap Draggable</h2>
- <p>This sample shows how to snap a draggable object to a 20x20 grid.</p>
- <div style="margin:20px 0;"></div>
- <div class="easyui-panel" style="position:relative;overflow:hidden;width:500px;height:300px">
- <div class="easyui-draggable" data-options="onDrag:onDrag" style="width:100px;height:100px;background:#fafafa;border:1px solid #ccc;">
- </div>
- </div>
- <script>
- function onDrag(e){
- var d = e.data;
- d.left = repair(d.left);
- d.top = repair(d.top);
-
- function repair(v){
- var r = parseInt(v/20)*20;
- if (Math.abs(v % 20) > 10){
- r += v > 0 ? 20 : -20;
- }
- return r;
- }
- }
- </script>
- </body>
- </html>
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