Bug 188619 GUIException when change parameter from radio to text box[0705]
Description: GUIException when change parameter from radio to text box Build number:2.2.0.v20070523 Steps to reproduce: 1. New a report parameter, integer, radio button, add value 1 and set it as default value. 2. Save the report. 3. Edit the parameter, change display type from radio button to text box. 4. click OK. Expected result: No exception and change is accepted. Actual result: Widget is disposed Plug-in Provider:Eclipse.org Plug-in Name:BIRT Designer UI Plug-in ID:org.eclipse.birt.report.designer.ui Version:2.2.0.v20070523-0630 Error Code:Error.GUIException.invokedBySWTException Error Message:Widget is disposed
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
}
		else
		{
			doNotEcho.setEnabled( false );
		}
	}
	private void updateMessageLine( )
	{
		String errorMessage = validateName( );
		if ( errorMessage == null )
		{
			
			if ( !isStatic( )
					&& columnChooser != null
					&& columnChooser.getItemCount( ) == 0 )
			{
				errorMessage = ERROR_MSG_NO_AVAILABLE_COLUMN;
			}
			
			if ( defaultValue == null
					&& ( PARAM_CONTROL_COMBO.equals( getSelectedControlType( ) ) || DesignChoiceConstants.PARAM_CONTROL_RADIO_BUTTON.equals( getSelectedControlType( ) ) ) )
			{