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/CascadingParametersDialog.java
GridLayout layout = new GridLayout( 3, false );
		layout.marginHeight = 0;
		layout.marginWidth = 0;
		comp.setLayout( layout );
		comp.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		createLabel( comp, LABEL_DATA_SETS );
		dataSetsCombo = new Combo( comp, SWT.READ_ONLY );
		GridData data = new GridData( );
		data.widthHint = 120;
		dataSetsCombo.setLayoutData( data );
		dataSetsCombo.setItems( getDataSets( ) );
		dataSetsCombo.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				dataSet = getDataSet( dataSetsCombo.getText( ) );
				setCellEditorItems( );
			}
		} );
		createDSButton = new Button( comp, SWT.PUSH );
		createDSButton.setText( LABEL_BUTTON_CREATE_NEW_DATASET );
		createDSButton.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				new NewDataSetAction( ).run( );
				refreshDataSets( );
			}
		} );
		Label label = new Label( comp, SWT.NULL );
		label.setText( LABEL_PARAMETERS );
		data = new GridData( );