Bug 192355 [acceptance]Fail to drag xtab from Palette to Outline in Library.[01]
Description: Fail to drag xtab from Palette to Outline in Library. Build number:2.2.0.v20070613 Steps to reproduce: 1. New a library file. 2. Drag crosstab from Palette to Outline->Report Items. Expected result: Crosstab can be dragged to outline as other items do. Actual result: Step2 is forbidden in UI. Error log:n/a
UI/org.eclipse.birt.report.designer.ui.lib/src/org/eclipse/birt/report/designer/internal/lib/views/outline/dnd/LibraryDropListener.java
.next( );
				if ( point != null )
				{
					supportList.add( GuiExtensionManager
							.getExtendedPalletTemplateName( point ) );
				}
			}
		}
	}
	/**
	 * @param viewer
	 */
	public LibraryDropListener( TreeViewer viewer )
	{
		super( viewer );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.internal.ui.dnd.DesignElementDropAdapter#validateTarget(java.lang.Object,
	 *      java.lang.Object)
	 */
	protected boolean validateTarget( Object target, Object transfer )
	{
		
		boolean retValue = super.validateTarget( target, transfer );
		if ( !retValue )
		{
			retValue = isSupportPalletType( target, transfer )
					&& getCurrentLocation( ) == LOCATION_ON;