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
setExpressionButtonImage( valueColumnExprButton );
		valueColumnExprButton.setToolTipText( Messages.getString( "ParameterDialog.toolTipText.OpenExprButton" ) );
		valueColumnExprButton.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent event )
			{
				ExpressionBuilder expressionBuilder = new ExpressionBuilder( getExpression( columnChooser.getText( ) ) );
				expressionBuilder.setExpressionProvier( new ParameterExpressionProvider( inputParameter,
						dataSetChooser.getText( ) ) );
				if ( expressionBuilder.open( ) == OK )
				{
					setExpression( columnChooser, expressionBuilder.getResult( )
							.trim( ) );
				}
			}
		} );
		
		createLabel( composite, LABEL_SELECT_DISPLAY_TEXT );
		
		
		displayTextChooser = new Combo( composite, SWT.BORDER | SWT.DROP_DOWN );
		displayTextChooser.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		Button displayTextExprButton = new Button( composite, SWT.PUSH );
		
		setExpressionButtonImage( displayTextExprButton );
		displayTextExprButton.setToolTipText( Messages.getString( "ParameterDialog.toolTipText.OpenExprButton" ) );
		displayTextExprButton.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent event )
			{
				ExpressionBuilder expressionBuilder = new ExpressionBuilder( getExpression( displayTextChooser.getText( ) ) );
				expressionBuilder.setExpressionProvier( new ParameterExpressionProvider( inputParameter,