/** * 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; }
/** * 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; } }
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(); } } }