Bug 166919 Combo Box and List Box are reverse in Cascading Parameter
Combo Box and List Box are reverse in Cascading Parameter. The appearance of Combo/List must be consistent.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
displayTypeChooser.select( -1 );
		defaultValueEditor.setText( "" ); 
		helpTextEditor.setText( "" ); 
		formatField.setText( "" ); 
		listLimit.setText( "" ); 
		previewLable.setText( "" ); 
		allowNull.setSelection( false );
	}
	private void setControlEnabled( boolean enable )
	{
		paramNameEditor.setEnabled( enable );
		promptText.setEnabled( enable );
		dataTypeChooser.setEnabled( enable );
		displayTypeChooser.setEnabled( enable );
		defaultValueEditor.setEnabled( enable );
		helpTextEditor.setEnabled( enable );
		formatField.setEnabled( enable );
		listLimit.setEnabled( enable );
		changeFormat.setEnabled( enable );
	}
	private void changeDataType( String type )
	{
		initFormatField( type );
		refreshValueTable( );
		updateButtons( );
	}
	private void initFormatField( String selectedDataType )
	{
		IChoiceSet choiceSet = getFormatChoiceSet( selectedDataType );
		if ( choiceSet == null )