Bug 153523 OK button in parameter dialog is enabled without default value in combo-box
Description: OK button in parameter dialog is enabled without default value in combo-box Steps to reproduce: 1. New a report parameter, combo-box. 2. Click New button, input abc as value, click OK 3. Set abc as default value and close Edit Parameter dialog. 4. New a data source and dataset 5. Edit the parameter, remove abc value and import values from dataset Expected result: OK button is disabled for there is no default value. Actual result: OK button is enabled.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
}
		updateCheckBoxArea( );
		updateMessageLine( );
		boolean radioEnable = false;
		if ( PARAM_CONTROL_COMBO.equals( getSelectedControlType( ) )
				|| PARAM_CONTROL_LIST.equals( getSelectedControlType( ) ) )
		{
			radioEnable = true;
		}
		if ( radioEnable != staticRadio.isEnabled( ) )
		{
			staticRadio.setEnabled( radioEnable );
			dynamicRadio.setEnabled( radioEnable );
		}
	}
	private void switchParamterType( )
	{
		clearArea( valueArea );
		lastControlType = null;
		if ( isStatic( ) )
		{
			switchToStatic( );
		}
		else
		{
			switchToDynamic( );
		}
		buildControlTypeList( getSelectedDataType( ) );
		valueArea.layout( );
		initValueArea( );