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
createLabel( composite, LABEL_SELECT_DATA_SET );
		dataSetChooser = new Combo( composite, SWT.BORDER | SWT.READ_ONLY );
		dataSetChooser.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		dataSetChooser.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				refreshColumns( false );
			}
		}
		);
		createDataSet = new Button( composite, SWT.PUSH );
		createDataSet.setText( BUTTON_CREATE_DATA_SET );
		setButtonLayoutData( createDataSet );
		createDataSet.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				new NewDataSetAction( ).run( );
				refreshDataSets( );
			}
		} );
		createLabel( composite, LABEL_SELECT_VALUE_COLUMN );
		columnChooser = new Combo( composite, SWT.BORDER | SWT.READ_ONLY );
		columnChooser.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		columnChooser.addSelectionListener( new SelectionAdapter( ) {
			public void widgetDefaultSelected( SelectionEvent e )
			{
				updateButtons( );
			}
		} );
		createLabel( composite, null );