Add version files and new GIF images for UI components

themes/sources/dhtmlxTree/codebase/ext/dhtmlxtree_lf.js

@@ -0,0 +1,41 @@
+/*
+Product Name: dhtmlxSuite 
+Version: 5.2.0 
+Edition: Professional 
+License: content of this file is covered by DHTMLX Commercial or Enterprise license. Usage without proper license is prohibited. To obtain it contact sales@dhtmlx.com
+Copyright UAB Dinamenta http://www.dhtmlx.com
+*/
+
+/*
+Purpose: temporary loading XML item
+Warining - this extension is an experimental and not fully compatible
+*/
+
+
+/**
+*     @desc: enable/disable "Loading..." item
+*     @param: text - text of temporary item (default is "Loading...")
+*     @edition: Professional
+*     @type: public
+*     @topic: 0
+*/
+ 	dhtmlXTreeObject.prototype.enableLoadingItem=function(text) {
+            this.attachEvent("onXLS",this._showFakeItem);
+            this.attachEvent("onXLE",this._hideFakeItem);
+
+            this._tfi_text=text||"Loading...";
+    };
+
+
+ 	dhtmlXTreeObject.prototype._showFakeItem=function(tree,id) {
+        if ((id===null)||(this._globalIdStorageFind("fake_load_xml_"+id))) return;
+        var temp = this.XMLsource; this.XMLsource=null;
+        this.insertNewItem(id,"fake_load_xml_"+id,this._tfi_text);
+        this.XMLsource=temp;
+    }
+ 	dhtmlXTreeObject.prototype._hideFakeItem=function(tree,id) {
+        if (id===null) return;
+        this.deleteItem("fake_load_xml_"+id);
+    }
+//(c)dhtmlx ltd. www.dhtmlx.com
+