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
			{
				promptMessageLine.setText( "" ); 
			}
		}
		updateButtons( );
	}
	private String validateName( )
	{
		String name = nameEditor.getText( ).trim( );
		if ( name.length( ) == 0 )
		{
			return ERROR_MSG_NAME_IS_EMPTY;
		}
		if ( !name.equals( inputParameter.getName( ) )
				&& inputParameter.getModuleHandle( ).findParameter( name ) != null )
		{
			return ERROR_MSG_DUPLICATED_NAME;
		}
		if ( DesignChoiceConstants.PARAM_TYPE_DATETIME.equals( getSelectedDataType( ) ) )
		{
			if ( defaultValueChooser != null
					&& ( !defaultValueChooser.isDisposed( ) )
					&& defaultValueChooser.getText( ).length( ) != 0 )
			{
				try
				{
					getValue( defaultValueChooser.getText( ) );
				}