Bug 135252 [Regression]Focus will lost when switching to script view
Steps to reproduce: 1.Select a data set 2.Click "Script" tab Expected result: Script view for the data set shows up Actual result: The focus on data set lost
UI/org.eclipse.birt.report.designer.ui.editors/src/org/eclipse/birt/report/designer/ui/editors/MultiPageReportEditor.java
{
				closeEditor( isSaveOnCloseNeeded( ) );
			}
			else
			{
				
				
				
			}
		}
	}
	public void closeEditor( boolean save )
	{
		getSite( ).getPage( ).closeEditor( this, save );
	}
	protected long getModificationStamp( Object element )
	{
		if ( element instanceof IEditorInput )
		{
			IReportProvider provider = getProvider( );
			if ( provider != null )
			{
				return computeModificationStamp( provider.getInputPath( (IEditorInput) element ) );
			}
		}
		return 0;
	}
	protected long computeModificationStamp( IPath path )
	{
		return path.toFile( ).lastModified( );