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
return columnName;
	}
	private String getColumnName( String expression )
	{
		for ( Iterator iter = columnList.iterator( ); iter.hasNext( ); )
		{
			ResultSetColumnHandle cachedColumn = (ResultSetColumnHandle) iter.next( );
			if ( DEUtil.getExpression( cachedColumn ).equals( expression ) )
			{
				return cachedColumn.getColumnName( );
			}
		}
		
		return expression;
	}
	private String getInputControlDisplayName( )
	{
		String type = getInputControlType( );
		String displayName = null;
		if ( CONTROL_TYPE_CHOICE_SET.findChoice( type ) != null )
		{
			displayName = CONTROL_TYPE_CHOICE_SET.findChoice( type )
					.getDisplayName( );
		}
		else
		{
			if ( PARAM_CONTROL_COMBO.equals( type ) )
			{
				displayName = DISPLAY_NAME_CONTROL_COMBO;