text: Ext.define('Common.widget.AssignmentGrid', {
      extend: 'Gnt.widget.AssignmentGrid',
      requires:[ 'Common.column.AssignmentUnits'],
      constructor: function (a) {
          this.callParent(arguments)
      },
      buildColumns: function () {
          return[
              {xtype: "resourcenamecolumn"},
              {xtype: "commonassignmentunitscolumn", assignmentStore: this.assignmentStore, editor: {xtype: "textfield"}}
          ]
      },
      setEditableFields: function (c) {
          if (!this.assignmentUnitsEditor) {
              this.assignmentUnitsEditor = this.down("commonassignmentunitscolumn").getEditor()
          }
          return this.callParent(arguments)
      }
  })