Upgrade to ExtJS 4.0.1 - Released 05/18/2011

[extjs.git] / docs / source / DragZone2.html
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+<!DOCTYPE html>
+<html>
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+  <title>The source code</title>
+  <link href="../prettify/prettify.css" type="text/css" rel="stylesheet" />
+  <script type="text/javascript" src="../prettify/prettify.js"></script>
+  <style type="text/css">
+    .highlight { display: block; background-color: #ddd; }
+  </style>
+  <script type="text/javascript">
+    function highlight() {
+      document.getElementById(location.hash.replace(/#/, "")).className = "highlight";
+    }
+  </script>
+</head>
+<body onload="prettyPrint(); highlight();">
+  <pre class="prettyprint lang-js"><span id='Ext-grid-header-DragZone'>/**
+</span> * @class Ext.grid.header.DragZone
+ * @extends Ext.dd.DragZone
+ * @private
+ */
+Ext.define('Ext.grid.header.DragZone', {
+    extend: 'Ext.dd.DragZone',
+    colHeaderCls: Ext.baseCSSPrefix + 'column-header',
+    maxProxyWidth: 120,
+
+    constructor: function(headerCt) {
+        this.headerCt = headerCt;
+        this.ddGroup =  this.getDDGroup();
+        this.callParent([headerCt.el]);
+        this.proxy.el.addCls(Ext.baseCSSPrefix + 'grid-col-dd');
+    },
+
+    getDDGroup: function() {
+        return 'header-dd-zone-' + this.headerCt.up('[scrollerOwner]').id;
+    },
+
+    getDragData: function(e) {
+        var header = e.getTarget('.'+this.colHeaderCls),
+            headerCmp;
+
+        if (header) {
+            headerCmp = Ext.getCmp(header.id);
+            if (!this.headerCt.dragging &amp;&amp; headerCmp.draggable &amp;&amp; !(headerCmp.isOnLeftEdge(e) || headerCmp.isOnRightEdge(e))) {
+                var ddel = document.createElement('div');
+                ddel.innerHTML = Ext.getCmp(header.id).text;
+                return {
+                    ddel: ddel,
+                    header: headerCmp
+                };
+            }
+        }
+        return false;
+    },
+
+    onBeforeDrag: function() {
+        return !(this.headerCt.dragging || this.disabled);
+    },
+
+    onInitDrag: function() {
+        this.headerCt.dragging = true;
+        this.callParent(arguments);
+    },
+
+    onDragDrop: function() {
+        this.headerCt.dragging = false;
+        this.callParent(arguments);
+    },
+
+    afterRepair: function() {
+        this.callParent();
+        this.headerCt.dragging = false;
+    },
+
+    getRepairXY: function() {
+        return this.dragData.header.el.getXY();
+    },
+    
+    disable: function() {
+        this.disabled = true;
+    },
+    
+    enable: function() {
+        this.disabled = false;
+    }
+});
+</pre>
+</body>
+</html>