// Fig. 25.38: SliderFieldPanelBeanInfo.java // The BeanInfo class for SliderFieldPanel package jhtp3beans; import java.beans.*; public class SliderFieldPanelBeanInfo extends SimpleBeanInfo { public final static Class beanClass = SliderFieldPanel.class; public PropertyDescriptor[] getPropertyDescriptors() { try { PropertyDescriptor fieldWidth = new PropertyDescriptor( "fieldWidth", beanClass ); PropertyDescriptor currentValue = new PropertyDescriptor( "currentValue", beanClass ); PropertyDescriptor maximumValue = new PropertyDescriptor( "maximumValue", beanClass ); PropertyDescriptor minimumValue = new PropertyDescriptor( "minimumValue", beanClass ); // ensure PropertyChangeEvent occurs for this property currentValue.setBound( true ); PropertyDescriptor descriptors[] = { fieldWidth, currentValue, maximumValue, minimumValue }; return descriptors; } catch ( IntrospectionException ie ) { throw new RuntimeException( ie.toString() ); } } // the index for the currentValue property public int getDefaultPropertyIndex() { return 1; } public EventSetDescriptor[] getEventSetDescriptors() { try { EventSetDescriptor changed = new EventSetDescriptor( beanClass, "propertyChange", java.beans.PropertyChangeListener.class, "propertyChange"); changed.setDisplayName( "SliderFieldPanel value changed" ); EventSetDescriptor[] descriptors = { changed }; return descriptors; } catch (IntrospectionException e) { throw new RuntimeException(e.toString()); } } } /************************************************************************** * (C) Copyright 1999 by Deitel & Associates, Inc. and Prentice Hall. * * All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * *************************************************************************/