Examples of org.eclipse.jface.util.PropertyChangeEvent

org.eclipse.jface.util.PropertyChangeEvent
An event object describing a change to a named property.
This concrete class was designed to be instantiated, but may also be subclassed if required.

The JFace frameworks contain classes that report property change events for internal state changes that may be of interest to external parties. A special listener interface (IPropertyChangeListener) is defined for this purpose, and a typical class allow listeners to be registered via an addPropertyChangeListener method.
@see IPropertyChangeListener

  public void removePropertyChangeListener(IPropertyChangeListener listener) {
    genericPropertyListeners.remove(listener);
  }
  
  private void firePropertyChanged(final String property, final Object oldValue, final Object newValue) {
    PropertyChangeEvent event = new PropertyChangeEvent(this, property, oldValue, newValue);
    Object[] listeners = genericPropertyListeners.getListeners();
    for (int i = 0; i < listeners.length; i++) {
      IPropertyChangeListener listener = (IPropertyChangeListener) listeners[i];
      listener.propertyChange(event);
    }

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            Object newValue) {
        
        UIListenerLogging.logPagePropertyChanged(this, changeId, oldValue, newValue);
        
        Object[] listeners = propertyChangeListeners.getListeners();
        PropertyChangeEvent event = new PropertyChangeEvent(this, changeId,
                oldValue, newValue);


        for (int i = 0; i < listeners.length; i++) {
            ((IPropertyChangeListener) listeners[i]).propertyChange(event);
        }

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  public boolean contains(String name) {
    return getString(name) != null;
  }


  public void firePropertyChangeEvent(String name, Object oldValue, Object newValue) {
    PropertyChangeEvent event = new PropertyChangeEvent(this, name, oldValue, newValue);
    for (IPropertyChangeListener listener : _listeners) {
      listener.propertyChange(event);
    }
  }

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  public void firePropertyChange(Object source, String property, Object oldValue, Object newValue) {
    if (fListeners == null) {
      return;
    }
    PropertyNotifier notifier = new PropertyNotifier();
    notifier.notify(new PropertyChangeEvent(source, property, oldValue, newValue));
  }

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        Object[] array = propertyChangeListeners.getListeners();
        for (int i = 0; i < array.length; i++) {
            final IPropertyChangeListener l = (IPropertyChangeListener) array[i];
            SafeRunnable.run(new SafeRunnable() {
                public void run() {
                    l.propertyChange(new PropertyChangeEvent(this, actionId,
                            null, null));
                }
            });
        }
    }

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    IPreferenceStore store = getPreferenceStore();
    final boolean okToClose = performOk(store);
    if (store.needsSaving()) {
      try {
        ((IPersistentPreferenceStore)store).save();
        Activator.broadcastPropertyChange(new PropertyChangeEvent(this,
            Activator.DECORATORS_CHANGED, null, null));
      } catch (IOException e) {
        Activator.handleError(e.getMessage(), e, true);
      }
    }

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   * @see IPropertyChangeListener#propertyChange
   */
  protected final void firePropertyChange(final String propertyName,
      final Object oldValue, final Object newValue) {
    if (isListenerAttached()) {
      firePropertyChange(new PropertyChangeEvent(this, propertyName,
          oldValue, newValue));
    }
  }

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  }


  public void setMode(int mode) {
    fMode = mode;
    fActiveActionGroup.cleanViewMenu(fMenuManager);
    PropertyChangeEvent event;
    if (mode == SHOW_PROJECTS) {
      fActiveActionGroup = fFilterActionGroup;
      event = new PropertyChangeEvent(this, MODE_CHANGED,
          INT_SHOW_WORKING_SETS, INT_SHOW_PROJECTS);
    } else {
      fActiveActionGroup = fShowActionGroup;
      event = new PropertyChangeEvent(this, MODE_CHANGED,
          INT_SHOW_PROJECTS, INT_SHOW_WORKING_SETS);
    }
    fActiveActionGroup.fillViewMenu(fMenuManager);
    fMenuManager.updateAll(true);
    if (fChangeListener != null)

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  public void removePropertyChangeListener(IPropertyChangeListener listener) {
    fListeners.remove(listener);
  }


  private void firePropertyChange() {
    PropertyChangeEvent event = new PropertyChangeEvent(this, PROPERTY_PHP,
        null, getPHPexe());
    Object[] listeners = fListeners.getListeners();
    for (int i = 0; i < listeners.length; i++) {
      IPropertyChangeListener listener = (IPropertyChangeListener) listeners[i];
      listener.propertyChange(event);

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        {
            Long tagId = (Long) e.getHref();
            
            for( IPropertyChangeListener listener : TagActivator.getDefault().getPropertyChangeListeners())
            {
                listener.propertyChange(new PropertyChangeEvent(this, TAG_FILTER_PROPERTY, null, tagId));
            }
        }

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