Bug 182661 Cross Tab: Need to support "New Data Cube" from menu bar
Please look at the UI mockup as reference to support "New Data Cube" on dropdown menu from Menu bar.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/DesignerActionBarContributor.java
{
						displayName = "&" + displayName; 
					}
					RegisterActions extAction = new RegisterActions( extension.getName( ),
							displayName );
					insertElementActions[insertActions.length + k] = extAction;
				}
			}
			
			for ( int i = 0; i < entries.length; i++ )
			{
				RegisterActions extAction = new RegisterActions( entries[i].getItemName( ),
						entries[i].getLabel( ) );
				insertElementActions[insertActions.length
						+ extensionPoints.size( )
						+ i] = extAction;
			}
		}
		return insertElementActions;
	}
	private void registerActions( RegisterActions[] actions )
	{
		for ( int i = 0; i < actions.length; i++ )
		{
			if ( actions[i] != null )
				addRetargetAction( new RetargetAction( actions[i].id,
						actions[i].displayName,
						actions[i].style ) );
		}
	}