diff --git a/js/app/models/AmdaNode.js b/js/app/models/AmdaNode.js
index ee71e0c..4d2c7f9 100644
--- a/js/app/models/AmdaNode.js
+++ b/js/app/models/AmdaNode.js
@@ -5,193 +5,191 @@
  * @extends Ext.data.Model
  * @brief   Generic Model of Node for AMDA project
  * @author  CDA
- * @version $Id: AmdaNode.js 2544 2014-10-03 10:21:56Z elena $
- * @todo
- *******************************************************************************
- *    FT Id     :   Date   : Name - Description
- *******************************************************************************
- *  :           :08/06/2011: CDA - Migration extjs4
  */
 Ext.define('amdaModel.AmdaNode', {
-    extend: 'Ext.data.TreeModel',
-
-    requires: ['amdaReader.ExplorerReader'],
-
-    fields: [
-        {name: 'leaf', type: 'boolean'},
-        {name: 'nodeType',type:'string'},
-        {name: 'id', type: 'string'},
-        {name:'text',type: 'string'},
-	{name:'info',type: 'string'},
-	{name: 'help', type: 'string', defaultValue: ''},
-	{name:'rootNode',  persist: false},
-	{name: 'ownerTreeId', persist: false},
-	{name: 'ownerTree',  persist: false},
-	{name: 'checked', defaultValue: null, persist: false}
-    ],
-
-    statics : {
-        NEW_DIR_NAME : 'new Folder',
-        MULTI_PREFIX : 'mult'
-    },
-
-    /**
-     * @cfg proxy used to load nodes
-     */
-    proxy: {
-        type: 'direct',
-      //  directFn: AmdaAction.getTree,
-	api :
-	{
-	  read: AmdaAction.getTree,
-	  update: AmdaAction.saveTree,
-	  create: AmdaAction.saveTree,
-	  destroy: AmdaAction.doNothing
+	extend: 'Ext.data.TreeModel',
+
+	requires: ['amdaReader.ExplorerReader'],
+
+	fields: [
+		{name: 'leaf', type: 'boolean'},
+		{name: 'nodeType',type:'string'},
+		{name: 'id', type: 'string'},
+		{name:'text',type: 'string'},
+		{name:'info',type: 'string'},
+		{name: 'help', type: 'string', defaultValue: ''},
+		{name:'rootNode',  persist: false},
+		{name: 'ownerTreeId', persist: false},
+		{name: 'ownerTree',  persist: false},
+		{name: 'checked', defaultValue: null, persist: false}
+	],
+
+	statics : {
+		NEW_DIR_NAME : 'new Folder',
+		MULTI_PREFIX : 'mult'
 	},
-        paramsAsHash : true,
-        reader: {
-            type: 'explorer'
-        }
-    },
-
-    /**
-     * Abstract getter of complete array of item context menu
-     * @return {Ext.Array} the complete array of item context menu
-     */
-    getAllContextMenuItems: Ext.emptyFn,
-
-    /**
-     * Abstract method call on click on item of context menu
-     */
-    onMenuItemClick: Ext.emptyFn,
-
-    /**
-     * Abstract Update Data method
-     */
-    update : Ext.emptyFn,
-
-    /**
-     * Abstract Rename Data method
-     */
-    rename : Ext.emptyFn,
-
-    /**
-     * Abstract Rename  D&D Data method
-     */
-    renameDD : Ext.emptyFn,
-
-    /**
-     * Abstract Create Data method
-     */
-    create : Ext.emptyFn,
-
-    /**
-     * filtering method of context menu
-     * @param {String} itemKind the kind of right clicked node
-     * @return {Ext.Array} the Array of filtered item menu
-     */
-    getFilteredContextMenu : function(itemKind) {
-        var menuitems = this.getAllContextMenuItems();
-        if (menuitems && menuitems.length){
-            for ( var i = 0; i < menuitems.length; i++) {
-                var currentItem = menuitems[i];
-                var myItemKind = Ext.util.Format.substr(currentItem.fnId, 0, 4);
-                if (myItemKind === itemKind) {
-                    currentItem.hidden = false;
-                }
-                else {
-                    currentItem.hidden = true;
-                }
-            }
-            return menuitems;
-        } else {
-            return null;
-        }
-    },
-
-    getMultiContextMenu : function(){
-        var menuitems = this.getMultiContextMenuItems();
-        if (menuitems && menuitems.length){
-            return menuitems;
-        } else {
-            return null;
-        }
-    },
-
-    /**
-     * get the kind of this node
-     * @returns itemKind string
-     */
-    getNodeKind : function() {
-	    var itemKind;
-	   // if id of this node have root subcategory suffix
-	    if (this.id && Ext.util.Format.substr(this.id, -(amdaUI.ExplorerUI.ROOT_SUFFIX.length), this.id.length) === amdaUI.ExplorerUI.ROOT_SUFFIX ) {
-	        itemKind = amdaUI.ExplorerUI.ITEM_KIND_ROOT;
-	    }
-	    // if this node is a leaf and have no child
-	    else if (this.isLeaf()) {
-	        itemKind = amdaUI.ExplorerUI.ITEM_KIND_LEAF;
-	    }
-	    else if (this.get('isParameter')) {
-                itemKind = amdaUI.ExplorerUI.ITEM_KIND_PARA;
-            }
-        else if (this.get('rank')) {
-                itemKind = amdaUI.ExplorerUI.ITEM_KIND_MISS;
-            }
-	    // other case
-	    else {
-	        itemKind = amdaUI.ExplorerUI.ITEM_KIND_DIRE;
-	    }
-	    return itemKind;
+
+	/**
+	* @cfg proxy used to load nodes
+	*/
+	proxy: {
+		type: 'direct',
+		api :
+		{
+			read: AmdaAction.getTree,
+			update: AmdaAction.saveTree,
+			create: AmdaAction.saveTree,
+			destroy: AmdaAction.doNothing
+		},
+		paramsAsHash : true,
+		reader: {
+			type: 'explorer'
+		}
+	},
+
+	/**
+	* Abstract getter of complete array of item context menu
+	* @return {Ext.Array} the complete array of item context menu
+	*/
+	getAllContextMenuItems: Ext.emptyFn,
+
+	/**
+	* Abstract method call on click on item of context menu
+	*/
+	onMenuItemClick: Ext.emptyFn,
+
+	/**
+	* Abstract Update Data method
+	*/
+	update : Ext.emptyFn,
+
+	/**
+	* Abstract Rename Data method
+	*/
+	rename : Ext.emptyFn,
+
+	/**
+	* Abstract Rename  D&D Data method
+	*/
+	renameDD : Ext.emptyFn,
+
+	/**
+	* Abstract Create Data method
+	*/
+	create : Ext.emptyFn,
+
+	/**
+	* filtering method of context menu
+	* @param {String} itemKind the kind of right clicked node
+	* @return {Ext.Array} the Array of filtered item menu
+	*/
+	getFilteredContextMenu : function(itemKind) {
+		var menuitems = this.getAllContextMenuItems();
+		if (menuitems && menuitems.length){
+			for ( var i = 0; i < menuitems.length; i++) {
+					var currentItem = menuitems[i];
+					var myItemKind = Ext.util.Format.substr(currentItem.fnId, 0, 4);
+					if (myItemKind === itemKind) {
+						currentItem.hidden = false;
+					}
+					else {
+						currentItem.hidden = true;
+					}
+			}
+			return menuitems;
+		} else {
+			return null;
+		}
+	},
+
+	getMultiContextMenu : function(){
+		var menuitems = this.getMultiContextMenuItems();
+		if (menuitems && menuitems.length){
+			return menuitems;
+		} else {
+			return null;
+		}
+	},
+
+	/**
+	* get the kind of this node
+	* @returns itemKind string
+	*/
+	getNodeKind : function() {
+		var itemKind;
+	// if id of this node have root subcategory suffix
+		if (this.id && Ext.util.Format.substr(this.id, -(amdaUI.ExplorerUI.ROOT_SUFFIX.length), this.id.length) === amdaUI.ExplorerUI.ROOT_SUFFIX ) {
+			itemKind = amdaUI.ExplorerUI.ITEM_KIND_ROOT;
+		}
+		// if this node is a leaf and have no child
+		else if (this.isLeaf()) {
+			itemKind = amdaUI.ExplorerUI.ITEM_KIND_LEAF;
+		}
+		else if (this.get('isParameter')) {
+					itemKind = amdaUI.ExplorerUI.ITEM_KIND_PARA;
+			}
+		else if (this.get('rank')) {
+					itemKind = amdaUI.ExplorerUI.ITEM_KIND_MISS;
+			}
+		// base
+		else if (this.id && Ext.util.Format.substr(this.id, -(amdaUI.ExplorerUI.BASE_SUFFIX.length), this.id.length) === amdaUI.ExplorerUI.BASE_SUFFIX ) {
+			itemKind = amdaUI.ExplorerUI.ITEM_KIND_BASE;  
+		}
+		// other case
+		else {
+			itemKind = amdaUI.ExplorerUI.ITEM_KIND_DIRE;
+		}
+		
+		return itemKind;
+	},
+
+	/**
+	* Getter on context menu of this node
+	* @returns {Ext.menu.Menu} the contextMenu of this node
+	*/
+	getContextMenuItems : function() {
+		// set the node kind
+		var itemKind = this.getNodeKind();
+		// filter the global context menu by node kind
+		var menuItems = this.getFilteredContextMenu(itemKind);
+		// return the context menu for this node
+		return menuItems;
+	},
+
+	getContextMenuMultiItems : function() {
+		return this.getMultiContextMenu();
+	},
+
+	/**
+	* Method to retrieve the root node corresponding to the nodeType of this node
+	* @return {amdaModel.AmdaNode} the root node of category of this node
+	*/
+	getRootNode : function() {
+		if (!this.get('rootNode')) {
+			// if this node is the root of its category
+			if(this.getNodeKind() == amdaUI.ExplorerUI.ITEM_KIND_ROOT) {
+					this.set('rootNode',this);
+			} else {
+					// get resources tree panel
+					var tree = this.myGetOwnerTree();
+					var treeRoot = tree.getRootNode();
+					var rootNodeId = this.get('nodeType')+amdaUI.ExplorerUI.ROOT_SUFFIX;
+
+					this.set('rootNode',treeRoot.findChild( 'id', rootNodeId, true));
+			}
+		}
+		return this.get('rootNode');
 	},
 
-    /**
-     * Getter on context menu of this node
-     * @returns {Ext.menu.Menu} the contextMenu of this node
-     */
-    getContextMenuItems : function() {
-    	// set the node kind
-        var itemKind = this.getNodeKind();
-        // filter the global context menu by node kind
-        var menuItems = this.getFilteredContextMenu(itemKind);
-        // return the context menu for this node
-        return menuItems;
-    },
-
-    getContextMenuMultiItems : function() {
-        return this.getMultiContextMenu();
-    },
-
-    /**
-     * Method to retrieve the root node corresponding to the nodeType of this node
-     * @return {amdaModel.AmdaNode} the root node of category of this node
-     */
-    getRootNode : function() {
-        if (!this.get('rootNode')) {
-            // if this node is the root of its category
-            if(this.getNodeKind() == amdaUI.ExplorerUI.ITEM_KIND_ROOT) {
-                this.set('rootNode',this);
-            } else {
-                // get resources tree panel
-                var tree = this.myGetOwnerTree();
-                var treeRoot = tree.getRootNode();
-                var rootNodeId = this.get('nodeType')+amdaUI.ExplorerUI.ROOT_SUFFIX;
-
-                this.set('rootNode',treeRoot.findChild( 'id', rootNodeId, true));
-            }
-        }
-    	return this.get('rootNode');
-    },
-
-    /**
-     * getter on ownerTree (use ownerTreeId property)
-     * @return {Ext.tree.Panel} the tree which contains this node
-     */
-    myGetOwnerTree : function() {
-        if (!this.get('ownerTree')) {
-            this.set('ownerTree',Ext.getCmp(this.get('ownerTreeId')));
-        }
-        return this.get('ownerTree');
-    }
+	/**
+	* getter on ownerTree (use ownerTreeId property)
+	* @return {Ext.tree.Panel} the tree which contains this node
+	*/
+	myGetOwnerTree : function() {
+		if (!this.get('ownerTree')) {
+			this.set('ownerTree',Ext.getCmp(this.get('ownerTreeId')));
+		}
+		return this.get('ownerTree');
+	}
 
 });
diff --git a/js/app/views/ExplorerUI.js b/js/app/views/ExplorerUI.js
index b726034..3d5ab7b 100644
--- a/js/app/views/ExplorerUI.js
+++ b/js/app/views/ExplorerUI.js
@@ -96,7 +96,8 @@ Ext.define('amdaUI.ExplorerUI', {
 		CAT_SUFFIX: '-treeBase',
 		ROOT_SUFFIX: '-treeRootNode',
 		SUB_ROOT_SUFFIX : 'RootNode',
-
+		
+		ITEM_KIND_BASE : 'treeBase',
 		ITEM_KIND_ROOT : 'root',
 		ITEM_KIND_LEAF : 'leaf',
 		ITEM_KIND_DIRE : 'dire',
--
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