Bug 132103 No objects under Context in palette when scripting a data set
Steps to reproduce: 1.New a data set and select it 2.Swith to script view, choose "onFetch" and open palette Expected result: Objects:this, row and reportContext should be given under Context And other objects available for other methods(e.g. BeforeOpen) should be there as well. Actual result: Nothing under Context The relative bug is #126110
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
{
				availableList.add( list.get( i ) );
			}
		}
		return availableList;
	}
	/**
	 * Get the containable element type list of give slot handle
	 * 
	 * @param slotHandle
	 */
	public static List getElementSupportList( SlotHandle slotHandle )
	{
		return getElementSupportList( slotHandle.getElementHandle( ),
				slotHandle.getSlotID( ) );
	}
	/**
	 * Gets the support list of the given parent element. The slotID is decided
	 * by the parent element.
	 * 
	 * @param parent
	 *            the parent element
	 * @return the the support list of the element
	 */
	public static List getElementSupportList( DesignElementHandle parent )
	{
		int slotID = -1;
		if ( parent instanceof MasterPageHandle )
		{
			slotID = GraphicMasterPageHandle.CONTENT_SLOT;