BUG 6788 Ad Hoc Assignment within a Task does not work

this option was added and it's working fine

workflow/engine/templates/cases/open.js

@@ -637,8 +637,7 @@ Ext.onReady(function(){
       var loadMask = new Ext.LoadMask(document.body, {msg:'Deleting case...'});
       loadMask.show();
       Ext.Ajax.request({
-        url : 'ajaxListener' ,
-        params : {action : 'deleteCase'},
+        url : '../adhocUserProxy/deleteCase',
         success: function ( result, request ) {
           loadMask.hide();
           var data = Ext.util.JSON.decode(result.responseText); 
@@ -711,7 +710,115 @@ Ext.onReady(function(){
   
 });
 
+	/*-----added by krlos------------*/
+  Actions.adhocAssignmentUsers = function()
+	{
+	  Ext.state.Manager.setProvider(new Ext.state.CookieProvider());
+		Ext.QuickTips.init();
+		store = new Ext.data.GroupingStore( {
+		  proxy : new Ext.data.HttpProxy({
+		    url: '../adhocUserProxy/adhocAssignUsersk'//,
+				//method: 'POST'		    
+		  }),
 
+		  reader : new Ext.data.JsonReader( {
+		    root: 'data',
+		    fields : [
+		      {name : 'USR_UID'},
+		      {name : 'USR_FIRSTNAME'},
+		      {name : 'USR_LASTNAME'}
+		    ]
+		  }) 
+		});
+		
+		 cmk = new Ext.grid.ColumnModel({
+			  defaults: {
+			width: 40,
+			sortable: true
+			  },    
+			  columns: [
+				    { id:'USR_UID', dataIndex: 'USR_UID', hidden:true, hideable:false},
+				    { header : "First Name", dataIndex : 'USR_FIRSTNAME', sortable : true, width: 130, align:'center'},
+				    { header : "Last Name", dataIndex : 'USR_LASTNAME', sortable : true,width: 130, align:'center', }		      
+				  ]
+			});
+
+		 pbark = new Ext.PagingToolbar({
+		    pageSize: 8,
+		    store: store,
+		    displayInfo: true,
+		    displayMsg: 'Displaying Users {0} - {1} of {2}',
+		    emptyMsg: "",
+        items:[]
+		});
+
+		var adHocUserGrid = new Ext.grid.GridPanel( {
+		    region: 'center',
+		    layout: 'fit',
+		    id: 'adHocUserGrid',
+		    height:210,
+		    //autoWidth : true,
+		    width:'',
+		    title : '',
+		    stateful : true,
+		    stateId : 'grid',
+		    enableColumnResize: true,
+		    enableHdMenu: true,
+		    frame:false,          
+		    columnLines: true,      
+		     viewConfig: {
+			  forceFit:true
+			},
+		  cm: cmk,
+			store: store,
+			tbar:[{text:_('ID_ASSIGN'), iconCls: 'silk-add', icon: '/images/cases-selfservice.png', handler: assignAdHocUser}	],
+		  bbar: '',
+			listeners:{
+			  rowdblclick: assignAdHocUser
+			}
+		});
+	 
+		var w = new Ext.Window({
+		    	title: _('ID_ADHOC_ASSIGNMENT'),
+		      width: 500,
+		      height: 240,       
+		      resizable: false,
+		items: [ adHocUserGrid ],
+		id: 'w'
+		});    
+    adHocUserGrid.store.load();
+		w.show();
+
+		function assignAdHocUser(){
+		 rowSelected = adHocUserGrid.getSelectionModel().getSelected();
+			PMExt.confirm(_('ID_CONFIRM'), _('ID_CONFIRM_ADHOCUSER_CASE'), function(){
+		    var loadMask = new Ext.LoadMask(document.body, {msg:'Assignment case...'});
+		    loadMask.show();
+		    Ext.Ajax.request({
+		      url : '../adhocUserProxy/reassignCase' ,
+				  method: 'POST',
+		      params : {USR_UID: rowSelected.data.USR_UID, THETYPE: 'ADHOC'},
+		      success: function ( result, request ) {
+		        loadMask.hide();
+		        var data = Ext.util.JSON.decode(result.responseText);
+		        if( data.success ) {
+							CloseWindow();		          
+		          location.href = 'casesListExtJs';
+		        } else {
+		          PMExt.error(_('ID_ERROR'), data.msg);
+		        }
+		      },
+		      failure: function ( result, request) {
+		        Ext.MessageBox.alert('Failed', result.responseText);
+		      }
+		    });
+		   });
+		}   
+  }
+	CloseWindow = function(){
+  Ext.getCmp('w').hide();
+  };
+	/*-----added by krlos end------------*/
 /*Date.prototype.dateFormat = function(format) {
     var result = "";
     for (var i = 0; i < format.length; ++i) {