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
createLabel( propertiesGroup, LABEL_DEFAULT_VALUE );
		defaultValueEditor = new Text( propertiesGroup, SWT.BORDER );
		defaultValueEditor.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		defaultValueEditor.addModifyListener( new ModifyListener( ) {
			public void modifyText( ModifyEvent e )
			{
				if ( selectedParameter != null
						&& selectedParameter != newParameter )
				{
					try
					{
						selectedParameter.setDefaultValue( defaultValueEditor.getText( ) );
					}
					catch ( SemanticException e1 )
					{
						ExceptionHandler.handle( e1 );
					}
				}
			}
		} );
	}
	private void createOptionsPart( Composite parent )
	{
		optionsGroup = new Group( parent, SWT.NULL );
		optionsGroup.setText( LABEL_GROUP_MORE_OPTIONS );
		optionsGroup.setLayout( new GridLayout( 2, false ) );
		optionsGroup.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		createLabel( optionsGroup, LABEL_HELP_TEXT );
		helpTextEditor = new Text( optionsGroup, SWT.BORDER );
		helpTextEditor.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );