downloadReport : function(e){
			var that = this;
			if(SessionMgr.isKeyAdmin()){
				if(this.services.length == 0){
					XAUtil.alertBoxWithTimeSet(localization.tt('msg.noServiceToExport'));
					return;
				}
			}
			var el = $(e.currentTarget), serviceType = el.attr('data-servicetype');
			if(serviceType){
				var componentServices = this.services.where({'type' : serviceType });
                    if(componentServices.length == 0 ){
	            	XAUtil.alertBoxWithTimeSet(localization.tt('msg.noServiceToExport'));
	            	return;
	            }
			}else{
				if(SessionMgr.isSystemAdmin()){
					if(location.hash == "#!/policymanager/resource"){
						var servicesList = _.omit(this.services.groupBy('type'),'tag','kms');
						if(_.isEmpty(servicesList)){
							XAUtil.alertBoxWithTimeSet(localization.tt('msg.noServiceToExport'));
							return;
						}
					}else{
						var servicesList = _.pick(this.services.groupBy('type'),'tag');
						if(_.isEmpty(servicesList)){
							XAUtil.alertBoxWithTimeSet(localization.tt('msg.noServiceToExport'));
							return;
						}
						
					}
				}
			}
			
			 var view = new vDownloadServicePolicy({
              	serviceType		:serviceType,
				collection 		: new Backbone.Collection([""]),
				serviceDefList	: this.collection,
                                services		: this.services,
                zoneServiceDefList : this.componentCollectionModels(this.ui.selectZoneName.val()),
                zoneServices    : this.componentServicesModels(this.ui.selectZoneName.val()),

			});
            var modal = new Backbone.BootstrapModal({
				content	: view,
				title	: 'Export Policy',
				okText  :"Export",
				animate : true
			}).open();
			
		},
		onDeleteUser: function(e){

			var that = this;
                        var collection = that.showUsers ? that.collection : (that.showGroups ? that.groupList : that.roleList);
			var selArr = [];
			var message = '';
			collection.each(function(obj){
				if(obj.selected){
	                selArr.push({"value" : obj.get('name') , "id" : obj.get('id')});
	            }
            });
			var  vXStrings = [];
			var jsonUsers  = {};
			for(var i in selArr) {
				var itemName = selArr[i].value , itemId = selArr[i].id;
				vXStrings.push({
					"value" : itemName,
					"id" : itemId
				});
			}
			jsonUsers.vXStrings = vXStrings;

			var total_selected = jsonUsers.vXStrings.length;
			if(total_selected == 0){
				if(that.showUsers){
					XAUtil.alertBoxWithTimeSet(localization.tt('msg.noDeleteUserRow'));
                                }else if(that.showGroups){
					XAUtil.alertBoxWithTimeSet(localization.tt('msg.noDeleteGroupRow'));
                                }else {
                                        XAUtil.alertBoxWithTimeSet(localization.tt('msg.noDeleteRoleRow'));
				}
				return;
			}
            if(total_selected == 1) {
                message = 'Are you sure you want to delete '+(that.showUsers ? 'user': (that.showGroups ? 'group' : 'role'))+' \''+ _.escape( jsonUsers.vXStrings[0].value )+'\'?';
			}
			else {
                                message = 'Are you sure you want to delete '+total_selected+' '+(that.showUsers ? 'user': (that.showGroups ? 'group' : 'role'))+'?';
			}
			if(total_selected > 0){
				XAUtil.confirmPopup({
					msg: message,
					callback: function(){
						XAUtil.blockUI();
						if(that.showUsers){
							var model = new VXUser();
                            var count = 0 , notDeletedUserName = "", errorMsgForNotDeletedUsers = "";
                            _.map(jsonUsers.vXStrings , function(m){
                            	model.deleteUsers(m.id,{
                            		success: function(response,options){
                            			count += 1;
                            			that.userCollection(jsonUsers.vXStrings.length, count, notDeletedUserName, errorMsgForNotDeletedUsers)
                            		},
                            		error:function(response,options){
                            			count += 1;
                            			if(response.responseJSON && response.responseJSON.msgDesc){
                            				errorMsgForNotDeletedUsers += _.escape(response.responseJSON.msgDesc) +".<br>"
                            			}else{
                            				notDeletedUserName += _.escape(m.value) + ", ";
                            			}
                            			that.collection.find(function(model){return model.get('name') === m.value}).selected = false
                            			that.userCollection(jsonUsers.vXStrings.length, count, notDeletedUserName, errorMsgForNotDeletedUsers)
                            		}
                            	});
                            });
                        }else if(that.showGroups) {
							var model = new VXGroup();
                            var count = 0, notDeletedGroupName ="", errorMsgForNotDeletedGroups = "";
                            _.map(jsonUsers.vXStrings, function(m){
                            	model.deleteGroups(m.id,{
                            		success: function(response){
                            			count += 1;
                            			that.groupCollection(jsonUsers.vXStrings.length,count,notDeletedGroupName, errorMsgForNotDeletedGroups)
                            		},
                            		error:function(response,options){
                            			count += 1;
                                        if(response.responseJSON && response.responseJSON.msgDesc){
                                            errorMsgForNotDeletedGroups += _.escape(response.responseJSON.msgDesc) +"<br>"
                                        }else{
                                            notDeletedGroupName += _.escape(m.value) + ", ";
                                        }
                            			that.groupList.find(function(model){return model.get('name') === m.value}).selected = false
                            			that.groupCollection(jsonUsers.vXStrings.length,count, notDeletedGroupName, errorMsgForNotDeletedGroups)
                            		}
                            	})
                            });
                                                }else {
                                                        var model = new VXRole();
                            var count = 0, notDeletedRoleName ="", errorMsgForNotDeletedRoles = "";
                            _.map(jsonUsers.vXStrings, function(m){
                                model.deleteRoles(m.id,{
                                        success: function(response){
                                                count += 1;
                                                that.roleCollection(jsonUsers.vXStrings.length,count,notDeletedRoleName, errorMsgForNotDeletedRoles);
                                        },
                                        error:function(response,options){
                                                count += 1;
                                        if(response.responseJSON && response.responseJSON.msgDesc){
                                            errorMsgForNotDeletedRoles += _.escape(response.responseJSON.msgDesc) +"<br>"
                                        }else{
                                            notDeletedRoleName += _.escape(m.value) + ", ";
                                        }
                                                that.roleList.find(function(model){return model.get('name') === m.value}).selected = false
                                                that.roleCollection(jsonUsers.vXStrings.length,count, notDeletedRoleName, errorMsgForNotDeletedRoles)
                                        }
                                })
                            });
						}
					}
				});
			}
		},
		onVisibilityChange : function(e){
			var that = this;
			var status = $(e.currentTarget).attr('data-id') == 'visible' ? true : false;
			var updateReq = {};
			var collection = this.showUsers ? this.collection : this.groupList;

			collection.each(function(m){
				if(m.selected && m.get('isVisible') != status){
				  	m.set('isVisible', status);
					m.toServer();
					updateReq[m.get('id')] = m.get('isVisible');
				}
			});
			if(_.isEmpty(updateReq)){
				if(this.showUsers){
					XAUtil.alertBoxWithTimeSet(localization.tt('msg.plsSelectUserToSetVisibility'));
				}else{
					XAUtil.alertBoxWithTimeSet(localization.tt('msg.plsSelectGroupToSetVisibility'));
				}
				
				return;
			}
			var clearCache = function(coll){
					_.each(Backbone.fetchCache._cache, function(url, val){
		                   var urlStr = coll.url;
		                   if((val.indexOf(urlStr) != -1)){
		                       Backbone.fetchCache.clearItem(val);
		                   }
		                });
					coll.fetch({reset: true, cache:false}).done(function(coll){
	                	coll.each(function(model){
	                		coll.trigger("backgrid:selected", model, false, true);
	    					coll.deselect(model);
	    				}, this);
	                })
			}
			if(this.showUsers){
				collection.setUsersVisibility(updateReq, {
					success : function(){
						that.chgFlags = [];
						clearCache(collection);
					},
					error : function(resp){
						if(!_.isUndefined(resp) && !_.isUndefined(resp.responseJSON) && !_.isUndefined(resp.responseJSON.msgDesc)){
							XAUtil.notifyError('Error', resp.responseJSON.msgDesc);
						}else{
							XAUtil.notifyError('Error', "Error occurred while updating user");
						}
						collection.trigger('error','',resp)
					},
				});
			} else {
			    collection.setGroupsVisibility(updateReq, {
					success : function(){
						that.chgFlags = [];
						clearCache(collection);
					},
					error : function(resp){
						if(!_.isUndefined(resp) && !_.isUndefined(resp.responseJSON) && !_.isUndefined(resp.responseJSON.msgDesc)){
							XAUtil.notifyError('Error', resp.responseJSON.msgDesc);
						}else{
							XAUtil.notifyError('Error', "Error occurred while updating group");
						}
						collection.trigger('error','',resp)
					},
                });

			}
		},