Bug 140969 In library,delete item inside grid should not transfer current view.
Description: In library,delete item inside grid should not transfer current view. steps to reproduce: 1. New a library 2. Insert a grid. 3. Insert items to grid cell. 4. Select one item in grid and press delete Expected result: Focus is on grid for next operation. Actual result: Grid disppeared, focus changed to whole library.
UI/org.eclipse.birt.report.designer.ui.lib/src/org/eclipse/birt/report/designer/ui/editors/LibraryLayoutEditor.java
}
	/**
	 * @param parent
	 */
	public LibraryLayoutEditor( IEditorPart parent )
	{
		super( parent );
		this.parentEditorPart = parent;
	}
	public boolean isSaveAsAllowed( )
	{
		return true;
	}
	public void performRequest( ReportRequest request )
	{
		if ( ReportRequest.OPEN_EDITOR.equals( request.getType( ) )
				&& ( request.getSelectionModelList( ).size( ) == 1 )
				&& request.getSelectionModelList( ).get( 0 ) instanceof SlotHandle )
		{
			SlotHandle slt = (SlotHandle) request.getSelectionModelList( )
					.get( 0 );
			if ( slt.getSlotID( ) == ReportDesignHandle.BODY_SLOT )
			{
				handleOpenDesigner( request );
			}
			return;
		}
		super.performRequest( request );
	}
	public void selectionChanged( IWorkbenchPart part, ISelection selection )