38 lines
1.4 KiB
HTML
38 lines
1.4 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<title>Constrain 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>Constrain Draggable</h2>
|
|
<div class="demo-info">
|
|
<div class="demo-tip icon-tip"></div>
|
|
<div>The draggable object can only be moved within its parent container.</div>
|
|
</div>
|
|
<div style="margin:10px 0;"></div>
|
|
<div style="position:relative;overflow:hidden;border:1px solid #ccc;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;
|
|
if (d.left < 0){d.left = 0}
|
|
if (d.top < 0){d.top = 0}
|
|
if (d.left + $(d.target).outerWidth() > $(d.parent).width()){
|
|
d.left = $(d.parent).width() - $(d.target).outerWidth();
|
|
}
|
|
if (d.top + $(d.target).outerHeight() > $(d.parent).height()){
|
|
d.top = $(d.parent).height() - $(d.target).outerHeight();
|
|
}
|
|
}
|
|
</script>
|
|
|
|
</body>
|
|
</html> |