Bug 119331 Library - name space terminology and behavior
During BIRT 2.0 library feature review meeting the following change was decided. - Change the term namespace to 'prefix' - By default use the library name as the prefix ( namespace ); the dialog to input prefix should be prompted only if hte auto generated prefix is not unique.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/palette/ReportTemplateTransferDropTargetListener.java
private boolean handleValidatePalette( Object dragObj )
	{
		return dragObj instanceof String
				&& ( getTargetEditPart( ) == null || ReportCreationTool.handleValidatePalette( dragObj,
						getTargetEditPart( ) ) );
	}
	/**
	 * Validates drag from data view to layout
	 * 
	 * @param template
	 * @return validate result
	 */
	private boolean handleValidateInsert( Object template )
	{
		return InsertInLayoutUtil.handleValidateInsert( template )
				&& ( getTargetEditPart( ) == null || InsertInLayoutUtil.handleValidateInsertToLayout( template,
						getTargetEditPart( ) ) );
	}
	/**
	 * Validates drag source of outline view and drop target of layout
	 * 
	 * @return validate result
	 */
	private boolean handleValidateOutline( Object dragSource )
	{
		return false;
	}
	private boolean handleValidateLibrary( Object dragObj )
	{
		EditPart targetEditPart = getTargetEditPart( );