Bug 154814 Use library, add library, delete library selection can't be found on Library right click menu in Library explorer
Details: Use library, add library, delete library selection can't be found on Library right click menu in Library explorer Step: 1.New a library and publish to resource folder. 2.New a report design and open library explorer. 3.Right click on the library in library explorer to use the library. Actual result: The selection of use, add ,delete library cannot be found. Exception result: Do can use the right click menu to use, add, delete library.
UI/org.eclipse.birt.report.designer.ui.lib.explorer/src/org/eclipse/birt/report/designer/ui/lib/explorer/LibraryExplorerContextMenuProvider.java
menu.add( deleteLibraryAction );
	}
	protected boolean canAddtoReport( Object transfer )
	{
		if ( transfer instanceof ReportElementHandle
				|| transfer instanceof EmbeddedImageHandle )
		{
			if ( transfer instanceof ScalarParameterHandle
					&& ( (ScalarParameterHandle) transfer ).getContainer( ) instanceof CascadingParameterGroupHandle )
			{
				return false;
			}
			else if ( transfer instanceof StyleHandle
					&& ( (StyleHandle) transfer ).getContainer( ) instanceof ThemeHandle )
			{
				return false;
			}
			else if ( transfer instanceof ThemeHandle )
			{
				return false;
			}
			else
			{
				return true;
			}
		}
		return false;
	}
}