Bug 319963 Refactor data set editor pages' codes[28800]
Build Identifier: 20100712 Refactor data set editor pages' codes[28800]. Reproducible: Always
UI/org.eclipse.birt.report.designer.ui.data/src/org/eclipse/birt/report/designer/data/ui/dataset/OutputColumnDefnPage.java
{
					updateButtons( );
				}
			} );
			viewer.getTable( ).addMouseListener( new MouseAdapter( ) {
				public void mouseDoubleClick( MouseEvent e )
				{
					if ( viewer.getTable( ).getSelectionCount( ) == 1 )
					{
						doEdit( );
					}
				}
			} );
			Composite btnComposite = new Composite( mainControl, SWT.NONE );
			data = new GridData( );
			data.verticalAlignment = SWT.CENTER;
			btnComposite.setLayoutData( data );
			GridLayout btnLayout = new GridLayout( );
			layout.verticalSpacing = 20;
			btnComposite.setLayout( btnLayout );
			btnAdd = new Button( btnComposite, SWT.NONE );
			btnAdd.setText( Messages.getString( "ResultSetColumnPage.button.add" ) ); 
			btnAdd.setEnabled( true );
			btnEdit = new Button( btnComposite, SWT.NONE );
			btnEdit.setText( Messages.getString( "ResultSetColumnPage.button.edit" ) ); 
			btnRemove = new Button( btnComposite, SWT.NONE );
			btnRemove.setText( Messages.getString( "ResultSetColumnPage.button.delete" ) ); 
			btnRemove.addSelectionListener( new SelectionListener( ) {
				public void widgetSelected( SelectionEvent e )
				{