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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
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<html> |
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<head> |
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<title>YUI Library Examples: Drag & Drop: Drag Constrained to a Region</title> |
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<meta http-equiv="content-type" content="text/html; charset=utf-8"> |
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<link rel="stylesheet" type="text/css" href="../../assets/yui.css" > |
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<style> |
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/*Supplemental CSS for the YUI distribution*/ |
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#custom-doc { width: 95%; min-width: 950px; } |
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#pagetitle {background-image: url(../../assets/bg_hd.gif);} |
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/* #pagetitle h1 {background-image: url(../../assets/title_h_bg.gif);}*/ |
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</style> |
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<link rel="stylesheet" type="text/css" href="../../assets/dpSyntaxHighlighter.css"> |
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<!--there is no custom header content for this example--> |
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<link type="text/css" rel="stylesheet" href="../../build/cssfonts/fonts-min.css" /> |
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<script type="text/javascript" src="../../build/yui/yui-min.js"></script> |
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</head> |
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<body id="yahoo-com" class=" yui-skin-sam"> |
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<div id="custom-doc" class="yui-t2"> |
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<div id="hd"> |
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<div id="ygunav"> |
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<p> |
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<em> |
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<a href="http://developer.yahoo.com/yui/3/">YUI 3.x Home</a> <i> - </i> |
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</em> |
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</p> |
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<form action="http://search.yahoo.com/search" id="sitesearchform"> |
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<input name="vs" type="hidden" value="developer.yahoo.com"> |
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<input name="vs" type="hidden" value="yuiblog.com"> |
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<div id="sitesearch"> |
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<label for="searchinput">Site Search (YDN & YUIBlog): </label> |
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<input type="text" id="searchinput" name="p"> |
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<input type="submit" value="Search" id="searchsubmit" class="ygbt"> |
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</form> |
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</div> |
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<div id="ygma"><a href="../../"><img src="../../assets/logo.gif" border="0" width="200" height="93"></a></div> |
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<div id="pagetitle"><h1>YUI Library Examples: Drag & Drop: Drag Constrained to a Region</h1></div> |
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</div> |
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<div id="bd"> |
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<div id="bar-note"><p><strong>Note:</strong> This is YUI 3.x. Looking for <a href="http://developer.yahoo.com/yui/">YUI 2.x</a>?</p></div> |
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<div id="yui-main"> |
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<div class="yui-b"> |
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<div class="yui-ge"> |
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<div class="yui-u first example" id="main"> |
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<h2>Drag & Drop: Drag Constrained to a Region</h2> |
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<div id="example" class="promo"> |
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<p> |
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<p>This example shows how to constrain a draggable Node to another Nodes region.</p> |
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</p> |
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<div class="module example-container "> |
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<div class="hd exampleHd"> |
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<p class="newWindowButton yui-skin-sam"> |
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<a href="constrained-drag_clean.html" target="_blank">View example in new window.</a> |
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</p> |
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</div> <div id="example-canvas" class="bd"> |
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<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== --> |
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<style> |
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.dd-demo { |
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position: relative; |
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text-align: center; |
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color: #fff; |
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cursor: move; |
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height: 60px; |
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width: 60px; |
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padding: 0; |
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margin: 0; |
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} |
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.dd-demo div { |
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border: 1px solid black; |
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height: 58px; |
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width: 58px; |
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} |
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#dd-demo-canvas1 { |
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padding: 55px; |
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background-color: #004C6D; |
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border: 1px solid black; |
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} |
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#dd-demo-canvas2 { |
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padding: 25px; |
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background-color: #CDCDCD; |
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border: 1px solid black; |
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} |
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#dd-demo-canvas3 { |
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padding: 15px; |
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background-color: #8DD5E7; |
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border: 1px solid black; |
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} |
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#dd-demo-1 { |
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background-color: #8DD5E7; |
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top:5px; |
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left:5px; |
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color: #000; |
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} |
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#dd-demo-2 { |
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background-color: #CDCDCD; |
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top:50px; |
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left:100px; |
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color: #000; |
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} |
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#dd-demo-3 { |
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background-color: #004C6D; |
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top:-100px; |
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left:200px; |
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} |
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</style> |
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<div id="dd-demo-canvas1"> |
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<div id="dd-demo-canvas2"> |
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<div id="dd-demo-canvas3"> |
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<div id="dd-demo-1" class="dd-demo"><div>1</div></div> |
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<div id="dd-demo-2" class="dd-demo"><div>2</div></div> |
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<div id="dd-demo-3" class="dd-demo"><div>3</div></div> |
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</div> |
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</div> |
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</div> |
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<script> |
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YUI({base:"../../build/", timeout: 10000}).use('dd-constrain', function(Y) { |
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var dd1 = new Y.DD.Drag({ |
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node: '#dd-demo-1' |
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}).plug(Y.Plugin.DDConstrained, { |
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constrain2node: '#dd-demo-canvas3' |
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}); |
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var dd2 = new Y.DD.Drag({ |
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node: '#dd-demo-2' |
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}).plug(Y.Plugin.DDConstrained, { |
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constrain2node: '#dd-demo-canvas2' |
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}); |
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var dd3 = new Y.DD.Drag({ |
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node: '#dd-demo-3' |
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}).plug(Y.Plugin.DDConstrained, { |
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constrain2node: '#dd-demo-canvas1' |
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}); |
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}); |
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</script> |
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<!--END SOURCE CODE FOR EXAMPLE =============================== --> |
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</div> |
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</div> |
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</div> |
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<h3>Setting up the Node</h3> |
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<p>First we need to create the HTML structure used in this example.</p> |
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<textarea name="code" class="HTML"> |
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<div id="dd-demo-canvas1"> |
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<div id="dd-demo-canvas2"> |
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<div id="dd-demo-canvas3"> |
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<div id="dd-demo-1" class="dd-demo"><div>1</div></div> |
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<div id="dd-demo-2" class="dd-demo"><div>2</div></div> |
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<div id="dd-demo-3" class="dd-demo"><div>3</div></div> |
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</div> |
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</div> |
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</div> |
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</textarea> |
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<p>Now we give the Nodes some CSS to make them visible.</p> |
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<textarea name="code" class="CSS"> |
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.dd-demo { |
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position: relative; |
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text-align: center; |
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color: #fff; |
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cursor: move; |
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height: 60px; |
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width: 60px; |
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padding: 0; |
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margin: 0; |
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} |
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.dd-demo div { |
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border: 1px solid black; |
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height: 58px; |
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width: 58px; |
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} |
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#dd-demo-canvas1 { |
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padding: 55px; |
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background-color: #004C6D; |
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border: 1px solid black; |
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} |
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#dd-demo-canvas2 { |
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padding: 25px; |
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background-color: #CDCDCD; |
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border: 1px solid black; |
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} |
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#dd-demo-canvas3 { |
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padding: 15px; |
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background-color: #8DD5E7; |
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border: 1px solid black; |
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} |
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#dd-demo-1 { |
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background-color: #8DD5E7; |
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top:5px; |
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left:5px; |
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color: #000; |
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} |
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#dd-demo-2 { |
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background-color: #CDCDCD; |
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top:50px; |
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left:100px; |
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color: #000; |
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} |
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#dd-demo-3 { |
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background-color: #004C6D; |
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top:-100px; |
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left:200px; |
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} |
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</textarea> |
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<h3>Setting up the YUI Instance</h3> |
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<p>Now we need to create our YUI instance and tell it to load the <code>dd-constrain</code> module (that will load the dd-ddm and dd-drag modules too).</p> |
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<textarea name="code" class="JScript"> |
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YUI().use('dd-constrain'); |
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</textarea> |
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<h3>Making the Nodes draggable</h3> |
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<p>Now that we have a YUI instance with the <code>dd-constrain</code> module, we need to instantiate the <code>Drag</code> instance on the Nodes.</p> |
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<textarea name="code" class="JScript"> |
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YUI().use('dd-constrain', function(Y) { |
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var dd1 = new Y.DD.Drag({ |
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node: '#dd-demo-1' |
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}); |
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var dd2 = new Y.DD.Drag({ |
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node: '#dd-demo-2' |
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}); |
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var dd3 = new Y.DD.Drag({ |
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node: '#dd-demo-3' |
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}); |
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}); |
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</textarea> |
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<h3>Constrain the Nodes to other Nodes</h3> |
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<p>Now that we have the Nodes draggable, we need to constrain them. We can do this by plugging the <code>DDConstrained</code> on to the <code>Drag</code> instance and passing it a config option called <code>constrain2node</code> and giving it a selector string of the Node we want to constrain to.</p> |
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<textarea name="code" class="JScript"> |
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YUI().use('dd-constrain', function(Y) { |
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var dd1 = new Y.DD.Drag({ |
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node: '#dd-demo-1' |
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}).plug(Y.Plugin.DDConstrained, { |
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constrain2node: '#dd-demo-canvas3' |
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}); |
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var dd2 = new Y.DD.Drag({ |
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node: '#dd-demo-2' |
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}).plug(Y.Plugin.DDConstrained, { |
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constrain2node: '#dd-demo-canvas2' |
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}); |
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var dd3 = new Y.DD.Drag({ |
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node: '#dd-demo-3' |
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}).plug(Y.Plugin.DDConstrained, { |
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constrain2node: '#dd-demo-canvas1' |
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}); |
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}); |
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</textarea> |
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</div> |
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<div class="yui-u sidebar"> |
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<div id="examples" class="mod box4"> |
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<div class="hd"> |
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<h4> |
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Drag & Drop Examples:</h4> |
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</div> |
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<div class="bd"> |
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<ul> |
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<li><a href='../dd/simple-drag.html'>Simple Drag</a></li><li><a href='../dd/drag-plugin.html'>Drag Node Plugin</a></li><li><a href='../dd/proxy-drag.html'>Proxy Drag</a></li><li class='selected'><a href='../dd/constrained-drag.html'>Drag Constrained to a Region</a></li><li><a href='../dd/groups-drag.html'>Interaction Groups</a></li><li><a href='../dd/shim-drag.html'>Using the Drag Shim</a></li><li><a href='../dd/anim-drop.html'>Animated Drop Targets</a></li><li><a href='../dd/drop-code.html'>Drop Based Coding</a></li><li><a href='../dd/winscroll.html'>Window Scrolling</a></li><li><a href='../dd/list-drag.html'>List reorder w/Bubbling</a></li><li><a href='../dd/scroll-list.html'>List reorder w/Scrolling</a></li><li><a href='../dd/portal-drag.html'>Portal Style Example</a></li><li><a href='../dd/photo-browser.html'>Photo Browser</a></li> </ul> |
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</div> |
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</div> |
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<div class="mod box4"> |
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<div class="hd"> |
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<h4>More Drag & Drop Resources:</h4> |
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</div> |
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<div class="bd"> |
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<ul> |
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<!-- <li><a href="http://developer.yahoo.com/yui/dd/">User's Guide</a> (external)</li> --> |
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<li><a href="../../api/module_dd.html">API Documentation</a></li> |
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</ul> |
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</div> |
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</div> |
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</div> |
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</div> |
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</div> |
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</div> |
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<div class="yui-b toc3" id="tocWrapper"> |
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<!-- TABLE OF CONTENTS --> |
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<div id="toc"> |
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<ul> |
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<li class="sect first">YUI 3.x Project</li><li class="item"><a title="The Yahoo! 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User Interface Blog" href="http://yuiblog.com">YUI Blog (external)</a></li><li class="item"><a title="The Yahoo! Group YDN-JavaScript hosts the YUI community forum" href="http://tech.groups.yahoo.com/group/ydn-javascript/">YUI Forum (external)</a></li><li class="item"><a title="The Yahoo! Group yui3 is dedicated to the 3.x branch of the Yahoo! User Interface (YUI) Library." href="http://tech.groups.yahoo.com/group/yui3/">YUI 3 Forum (external)</a></li><li class="item"><a title="YUI is used by Yahoo! and by hundreds of other sites, including many you know and love." href="/yui/poweredby/">YUI Sightings (external)</a></li><li class="item"><a title="Videos and podcasts from the YUI Team and from the Yahoo! frontend engineering community." href="http://developer.yahoo.com/yui/theater/">YUI Theater (external)</a></li><li class="sect">YUI Articles on the YUI Website</li><li class="item"><a title="Answers to Frequently Asked Questions about the YUI Library" href="http://developer.yahoo.com/yui/articles/faq/">YUI FAQ (external)</a></li><li class="item"><a title="Yahoo!'s philosophy of Graded Browser Support" href="http://developer.yahoo.com/yui/articles/gbs/">Graded Browser Support (external)</a></li><li class="item"><a title="Reporting Bugs and Making Feature Requests for YUI Components" href="http://developer.yahoo.com/yui/articles/reportingbugs/">Bug Reports/Feature Requests (external)</a></li><li class="item"><a title="Serve YUI source files from Yahoo! -- free, fast, and simple" href="http://developer.yahoo.com/yui/3/articles/hosting/">Serving YUI Files from Yahoo! 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