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
* @return a object castable to the given class, or <code>null</code> if
	 *         this object does not have an adapter for the given class
	 */
	public Object getAdapter( Class adapter )
	{
		if ( adapter == IContentOutlinePage.class )
		{
			
			
			
			
			
			return new LibraryOutlinePage( getModel( ) );
		}
		if ( adapter == DataViewPage.class )
		{
			
			
			
			DataViewPage page = (DataViewPage) super.getAdapter( adapter );
			if ( page == null )
			{
				return null;
			}
			return page;
		}
		
		if ( adapter == IPropertySheetPage.class )
		{
			ReportPropertySheetPage sheetPage = new ReportPropertySheetPage( );