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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>jQuery UI Draggable - Snap to element or grid</title>
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<link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
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<script src="../../jquery-1.4.2.js"></script>
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<script src="../../ui/jquery.ui.core.js"></script>
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<script src="../../ui/jquery.ui.widget.js"></script>
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<script src="../../ui/jquery.ui.mouse.js"></script>
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<script src="../../ui/jquery.ui.draggable.js"></script>
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<link rel="stylesheet" href="../demos.css">
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<style>
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.draggable { width: 90px; height: 80px; padding: 5px; float: left; margin: 0 10px 10px 0; font-size: .9em; }
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.ui-widget-header p, .ui-widget-content p { margin: 0; }
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#snaptarget { height: 140px; }
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</style>
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<script>
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$(function() {
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$( "#draggable" ).draggable({ snap: true });
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$( "#draggable2" ).draggable({ snap: ".ui-widget-header" });
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$( "#draggable3" ).draggable({ snap: ".ui-widget-header", snapMode: "outer" });
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$( "#draggable4" ).draggable({ grid: [ 20,20 ] });
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$( "#draggable5" ).draggable({ grid: [ 80, 80 ] });
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});
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</script>
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</head>
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<body>
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<div class="demo">
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<div id="snaptarget" class="ui-widget-header">
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<p>I'm a snap target</p>
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</div>
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<br clear="both" />
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<div id="draggable" class="draggable ui-widget-content">
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<p>Default (snap: true), snaps to all other draggable elements</p>
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</div>
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<div id="draggable2" class="draggable ui-widget-content">
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<p>I only snap to the big box</p>
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</div>
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<div id="draggable3" class="draggable ui-widget-content">
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<p>I only snap to the outer edges of the big box</p>
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</div>
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<div id="draggable4" class="draggable ui-widget-content">
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<p>I snap to a 20 x 20 grid</p>
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</div>
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<div id="draggable5" class="draggable ui-widget-content">
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<p>I snap to a 80 x 80 grid</p>
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</div>
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</div><!-- End demo -->
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<div class="demo-description">
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<p>Snap the draggable to the inner or outer boundaries of a DOM element. Use the <code>snap</code>, <code>snapMode</code> (inner, outer, both), and <code>snapTolerance</code> (distance in pixels the draggable must be from the element when snapping is invoked) options. </p>
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<p>Or snap the draggable to a grid. Set the dimensions of grid cells (height and width in pixels) with the <code>grid</code> option.</p>
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</div><!-- End demo-description -->
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</body>
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</html>
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