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
dirtyProperties.put( key, new Boolean( checkBox.getSelection( ) ) );
		if ( CHECKBOX_ISREQUIRED.equals( key ) )
		{
			if ( isStatic( ) )
			{
				makeUniqueAndValid( );
				refreshValueTable( );
			}
			if ( getSelectedDataType( ).equals( DesignChoiceConstants.PARAM_TYPE_STRING ) )
			{
				clearDefaultValueChooser( checkBox.getSelection( ) );
			}
			updateMessageLine( );
		}
	}
	private void clearDefaultValueChooser( boolean isChecked )
	{
		if ( isChecked )
		{
			clearDefaultValueText( );
			clearDefaultValueChooserSelections( );
		}
		else
		{
			if ( defaultValueChooser == null
					|| defaultValueChooser.isDisposed( )
					|| defaultValueChooser.getItemCount( ) > 1 )
				return;
			defaultValueChooser.add( CHOICE_NULL_VALUE );
			defaultValueChooser.add( CHOICE_BLANK_VALUE );