jquery-ui/demos/draggable/visual-feedback.html

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<!doctype html>
<html lang="en">
<head>
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<meta charset="utf-8">
<title>jQuery UI Draggable - Visual feedback</title>
<link rel="stylesheet" href="../../themes/base/all.css">
<script src="../../jquery-1.10.2.js"></script>
<script src="../../ui/core.js"></script>
<script src="../../ui/widget.js"></script>
<script src="../../ui/interaction.js"></script>
<script src="../../ui/draggable.js"></script>
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<link rel="stylesheet" href="../demos.css">
<style>
.ui-draggable { width: 90px; height: 90px; padding: 0.5em; float: left; margin: 0 10px 10px 0; }
#draggable, #draggable2, #draggable3 { margin-bottom:20px; }
#set { clear:both; float:left; width: 368px; height: 120px; }
p { clear:both; margin:0; padding:1em 0; }
</style>
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<script>
$(function() {
$( "#draggable" ).draggable();
$( "#draggable2" ).draggable({ helper: true });
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$( "#draggable3" ).draggable({
helper: function() {
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return $( "<div class='ui-widget-header'>I'm a custom helper</div>" );
}
});
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$( "#set div" ).draggable({ stack: "#set div" });
});
</script>
</head>
<body>
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<h3>With helpers:</h3>
<div id="draggable" class="ui-widget-content">
<p>Original</p>
</div>
<div id="draggable2" class="ui-widget-content">
<p>Cloned helper</p>
</div>
<div id="draggable3" class="ui-widget-content">
<p>Custom helper</p>
</div>
<h3>Stacked:</h3>
<div id="set">
<div class="ui-widget-content">
<p>We are draggables..</p>
</div>
<div class="ui-widget-content">
<p>..whose z-indexes are controlled automatically..</p>
</div>
<div class="ui-widget-content">
<p>..with the stack option.</p>
</div>
</div>
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<div class="demo-description">
<p>Provide feedback to users as they drag an element in the form of a helper. The <code>helper</code> option accepts the values false/null (the draggable element moves with the cursor), true (a clone of the draggable moves with the cursor), or a function that returns a DOM element or jQuery object (that element is shown near the cursor during drag).</p>
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</div>
</body>
</html>