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
if ( inputParameter.getDataSetName( ) != null
				&& !dataSetList.contains( inputParameter.getDataSetName( ) ) )
		{
			dataSetList.add( 0, inputParameter.getDataSetName( ) );
		}
		if ( oldList.length != dataSetList.size( ) )
		{
			dataSetChooser.setItems( (String[]) dataSetList.toArray( new String[]{} ) );
			if ( StringUtil.isBlank( selectedDataSetName ) )
			{
				dataSetChooser.select( 0 );
				refreshColumns( false );
			}
			else
			{
				dataSetChooser.setText( selectedDataSetName );
			}
		}
	}
	private DataSetHandle getDataSetHandle( )
	{
		return inputParameter.getModuleHandle( )
				.findDataSet( dataSetChooser.getText( ) );
	}
	private void refreshColumns( boolean onlyFilter )
	{
		if ( columnChooser == null )
		{
			return;
		}