DataSetManager.removeInstance( this.getEditorInput( ) );
	public void dispose( )	{		// getSite( ).getWorkbenchWindow( )		// .getPartService( )		// .removePartListener( this );		DataSetManager.removeInstance( this.getEditorInput( ) );		if ( fPalettePage != null )		{			fPalettePage.dispose( );		}		if ( outlinePage != null )		{			outlinePage.dispose( );		}		if ( dataPage != null )		{			dataPage.dispose( );		}		// remove the mediator listener		SessionHandleAdapter.getInstance( )				.getMediator( )				.removeGlobalColleague( this );		super.dispose( );	}