Пример #1
0
  /**
   * Set the object to be edited.
   *
   * @param value The object to be edited.
   */
  public void setObject(Object value) {
    if (!(_type.isInstance(value))) {
      throw new IllegalArgumentException(value.getClass() + " is not of type " + _type);
    }
    _value = value;

    // Disable event generation.
    _squelchChangeEvents = true;

    // Iterate over each property, doing a lookup on the associated editor
    // and setting the editor's value to the value of the property.
    Iterator it = _prop2Editor.keySet().iterator();
    while (it.hasNext()) {
      PropertyDescriptor desc = (PropertyDescriptor) it.next();
      PropertyEditor editor = (PropertyEditor) _prop2Editor.get(desc);
      Method reader = desc.getReadMethod();
      if (reader != null) {
        try {
          Object val = reader.invoke(_value, null);
          editor.setValue(val);
        } catch (IllegalAccessException ex) {
          ex.printStackTrace();
        } catch (InvocationTargetException ex) {
          ex.getTargetException().printStackTrace();
        }
      }
    }

    // Enable event generation.
    _squelchChangeEvents = false;
  }
Пример #2
0
 /**
  * Try to execute given method on given object. Handles invocation target exceptions. XXX nearly
  * duplicates tryMethod in JGEngine.
  *
  * @return null means method does not exist or returned null/void
  */
 static Object tryMethod(Object o, String name, Object[] args) {
   try {
     Method met = JREEngine.getMethod(o.getClass(), name, args);
     if (met == null) return null;
     return met.invoke(o, args);
   } catch (InvocationTargetException ex) {
     Throwable ex_t = ex.getTargetException();
     ex_t.printStackTrace();
     return null;
   } catch (IllegalAccessException ex) {
     System.err.println("Unexpected exception:");
     ex.printStackTrace();
     return null;
   }
 }
Пример #3
0
    public void propertyChange(PropertyChangeEvent e) {
      if (_squelchChangeEvents) return;

      PropertyEditor editor = (PropertyEditor) e.getSource();
      PropertyDescriptor prop = (PropertyDescriptor) _editor2Prop.get(editor);
      Method writer = prop.getWriteMethod();
      if (writer != null) {
        try {
          Object[] params = {editor.getValue()};
          writer.invoke(_value, params);
          setObject(_value);
          firePropertyChange(_value, prop.getName(), null, editor.getValue());
        } catch (IllegalAccessException ex) {
          ex.printStackTrace();
        } catch (InvocationTargetException ex) {
          ex.getTargetException().printStackTrace();
        }
      }
    }