mirror of
https://github.com/alchemy-fr/Phraseanet.git
synced 2025-10-13 13:03:20 +00:00
308 lines
8.2 KiB
HTML
308 lines
8.2 KiB
HTML
<!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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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<title>Reordering a List</title>
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<style type="text/css">
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/*margin and padding on body element
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can introduce errors in determining
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element position and are not recommended;
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we turn them off as a foundation for YUI
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CSS treatments. */
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body {
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margin:0;
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padding:0;
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}
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</style>
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<link rel="stylesheet" type="text/css" href="../../build/fonts/fonts-min.css" />
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<script type="text/javascript" src="../../build/yahoo-dom-event/yahoo-dom-event.js"></script>
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<script type="text/javascript" src="../../build/animation/animation-min.js"></script>
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<script type="text/javascript" src="../../build/dragdrop/dragdrop-min.js"></script>
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<!--begin custom header content for this example-->
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<style type="text/css">
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div.workarea { padding:10px; float:left }
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ul.draglist {
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position: relative;
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width: 200px;
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height:240px;
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background: #f7f7f7;
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border: 1px solid gray;
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list-style: none;
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margin:0;
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padding:0;
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}
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ul.draglist li {
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margin: 1px;
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cursor: move;
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zoom: 1;
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}
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ul.draglist_alt {
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position: relative;
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width: 200px;
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list-style: none;
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margin:0;
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padding:0;
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/*
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The bottom padding provides the cushion that makes the empty
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list targetable. Alternatively, we could leave the padding
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off by default, adding it when we detect that the list is empty.
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*/
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padding-bottom:20px;
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}
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ul.draglist_alt li {
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margin: 1px;
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cursor: move;
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}
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li.list1 {
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background-color: #D1E6EC;
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border:1px solid #7EA6B2;
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}
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li.list2 {
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background-color: #D8D4E2;
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border:1px solid #6B4C86;
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}
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#user_actions { float: right; }
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</style>
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<!--end custom header content for this example-->
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</head>
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<body class="yui-skin-sam">
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<h1>Reordering a List</h1>
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<div class="exampleIntro">
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<p>This example demonstrates how to create a list that can have the order changed with the <a href="http://developer.yahoo.com/yui/dragdrop/">Drag & Drop Utility</a>.</p>
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</div>
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<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
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<div class="workarea">
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<h3>List 1</h3>
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<ul id="ul1" class="draglist">
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<li class="list1" id="li1_1">list 1, item 1</li>
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<li class="list1" id="li1_2">list 1, item 2</li>
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<li class="list1" id="li1_3">list 1, item 3</li>
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</ul>
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</div>
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<div class="workarea">
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<h3>List 2</h3>
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<ul id="ul2" class="draglist">
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<li class="list2" id="li2_1">list 2, item 1</li>
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<li class="list2" id="li2_2">list 2, item 2</li>
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<li class="list2" id="li2_3">list 2, item 3</li>
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</ul>
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</div>
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<div id="user_actions">
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<input type="button" id="showButton" value="Show Current Order" />
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<input type="button" id="switchButton" value="Remove List Background" />
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</div>
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<script type="text/javascript">
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(function() {
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var Dom = YAHOO.util.Dom;
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var Event = YAHOO.util.Event;
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var DDM = YAHOO.util.DragDropMgr;
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//////////////////////////////////////////////////////////////////////////////
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// example app
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//////////////////////////////////////////////////////////////////////////////
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YAHOO.example.DDApp = {
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init: function() {
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var rows=3,cols=2,i,j;
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for (i=1;i<cols+1;i=i+1) {
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new YAHOO.util.DDTarget("ul"+i);
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}
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for (i=1;i<cols+1;i=i+1) {
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for (j=1;j<rows+1;j=j+1) {
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new YAHOO.example.DDList("li" + i + "_" + j);
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}
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}
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Event.on("showButton", "click", this.showOrder);
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Event.on("switchButton", "click", this.switchStyles);
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},
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showOrder: function() {
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var parseList = function(ul, title) {
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var items = ul.getElementsByTagName("li");
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var out = title + ": ";
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for (i=0;i<items.length;i=i+1) {
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out += items[i].id + " ";
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}
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return out;
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};
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var ul1=Dom.get("ul1"), ul2=Dom.get("ul2");
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alert(parseList(ul1, "List 1") + "\n" + parseList(ul2, "List 2"));
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},
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switchStyles: function() {
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Dom.get("ul1").className = "draglist_alt";
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Dom.get("ul2").className = "draglist_alt";
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}
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};
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//////////////////////////////////////////////////////////////////////////////
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// custom drag and drop implementation
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//////////////////////////////////////////////////////////////////////////////
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YAHOO.example.DDList = function(id, sGroup, config) {
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YAHOO.example.DDList.superclass.constructor.call(this, id, sGroup, config);
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this.logger = this.logger || YAHOO;
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var el = this.getDragEl();
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Dom.setStyle(el, "opacity", 0.67); // The proxy is slightly transparent
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this.goingUp = false;
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this.lastY = 0;
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};
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YAHOO.extend(YAHOO.example.DDList, YAHOO.util.DDProxy, {
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startDrag: function(x, y) {
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this.logger.log(this.id + " startDrag");
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// make the proxy look like the source element
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var dragEl = this.getDragEl();
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var clickEl = this.getEl();
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Dom.setStyle(clickEl, "visibility", "hidden");
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dragEl.innerHTML = clickEl.innerHTML;
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Dom.setStyle(dragEl, "color", Dom.getStyle(clickEl, "color"));
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Dom.setStyle(dragEl, "backgroundColor", Dom.getStyle(clickEl, "backgroundColor"));
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Dom.setStyle(dragEl, "border", "2px solid gray");
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},
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endDrag: function(e) {
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var srcEl = this.getEl();
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var proxy = this.getDragEl();
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// Show the proxy element and animate it to the src element's location
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Dom.setStyle(proxy, "visibility", "");
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var a = new YAHOO.util.Motion(
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proxy, {
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points: {
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to: Dom.getXY(srcEl)
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}
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},
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0.2,
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YAHOO.util.Easing.easeOut
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)
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var proxyid = proxy.id;
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var thisid = this.id;
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// Hide the proxy and show the source element when finished with the animation
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a.onComplete.subscribe(function() {
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Dom.setStyle(proxyid, "visibility", "hidden");
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Dom.setStyle(thisid, "visibility", "");
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});
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a.animate();
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},
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onDragDrop: function(e, id) {
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// If there is one drop interaction, the li was dropped either on the list,
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// or it was dropped on the current location of the source element.
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if (DDM.interactionInfo.drop.length === 1) {
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// The position of the cursor at the time of the drop (YAHOO.util.Point)
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var pt = DDM.interactionInfo.point;
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// The region occupied by the source element at the time of the drop
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var region = DDM.interactionInfo.sourceRegion;
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// Check to see if we are over the source element's location. We will
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// append to the bottom of the list once we are sure it was a drop in
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// the negative space (the area of the list without any list items)
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if (!region.intersect(pt)) {
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var destEl = Dom.get(id);
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var destDD = DDM.getDDById(id);
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destEl.appendChild(this.getEl());
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destDD.isEmpty = false;
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DDM.refreshCache();
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}
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}
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},
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onDrag: function(e) {
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// Keep track of the direction of the drag for use during onDragOver
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var y = Event.getPageY(e);
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if (y < this.lastY) {
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this.goingUp = true;
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} else if (y > this.lastY) {
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this.goingUp = false;
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}
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this.lastY = y;
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},
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onDragOver: function(e, id) {
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var srcEl = this.getEl();
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var destEl = Dom.get(id);
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// We are only concerned with list items, we ignore the dragover
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// notifications for the list.
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if (destEl.nodeName.toLowerCase() == "li") {
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var orig_p = srcEl.parentNode;
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var p = destEl.parentNode;
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if (this.goingUp) {
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p.insertBefore(srcEl, destEl); // insert above
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} else {
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p.insertBefore(srcEl, destEl.nextSibling); // insert below
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}
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DDM.refreshCache();
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}
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}
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});
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Event.onDOMReady(YAHOO.example.DDApp.init, YAHOO.example.DDApp, true);
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})();
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</script>
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<!--END SOURCE CODE FOR EXAMPLE =============================== -->
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</body>
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</html>
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