Bug 113938 Report is marked dirty when open/close cascading parameter dialog without doing any operation on it
description: Report is marked dirty when open/close cascading parameter dialog without doing any operation on it steps to reproduce: 1.new a cascading parameter group 2.save the reprot 3.double click the cascading parameter to bring out edit box 4.click OK to close edit box actual result: Report has been marked dirty expected result: No dirty marked for that no operations done in edit parameter dialog
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
valueTable.setColumnProperties( columns );
		valueTable.setContentProvider( contentProvider );
		valueTable.setLabelProvider( labelProvider );
		valueTable.setCellModifier( cellModifier );
		valueTable.setInput( choiceList );
		valueTable.addSelectionChangedListener( new ISelectionChangedListener( ) {
			public void selectionChanged( SelectionChangedEvent event )
			{
				updateTableButtons( );
			}
		} );
		Composite buttonBar = new Composite( tableArea, SWT.NONE );
		buttonBar.setLayout( UIUtil.createGridLayoutWithoutMargin( 4, false ) );
		buttonBar.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		importValue = new Button( buttonBar, SWT.PUSH );
		importValue.setText( BUTTON_LABEL_IMPORT );
		setButtonLayoutData( importValue );
		
		importValue.setEnabled( !inputParameter.getModuleHandle( )
				.getAllDataSets( )
				.isEmpty( ) );
		importValue.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				String type = getSelectedDataType( );
				ImportValueDialog dialog = new ImportValueDialog( type );
				if ( dialog.open( ) == OK )
				{
					String[] importValues = (String[]) dialog.getResult( );
					for ( int i = 0; i < importValues.length; i++ )