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
		{
			changeDefault.setText( BUTTON_LABEL_SET_DEFAULT );
		}
		changeDefault.setSelection( isDefault );
		changeDefault.setEnabled( isEnable );
	}
	private void updateButtons( )
	{
		boolean canFinish = !StringUtil.isBlank( nameEditor.getText( ) );
		if ( canFinish )
		{
			if ( errorMessageLine != null && !errorMessageLine.isDisposed( ) )
			{
				canFinish = ( errorMessageLine.getImage( ) == null );
			}
			if ( columnChooser != null && !isStatic( ) )
			{
				canFinish &= ( getExpression( columnChooser.getText( ) ) != null );
			}
		}
		getOkButton( ).setEnabled( canFinish );
	}
	private void updateCheckBoxArea( )
	{
		
		if ( DesignChoiceConstants.PARAM_CONTROL_TEXT_BOX.equals( getSelectedControlType( ) ) )
		{
			doNotEcho.setEnabled( true );