wiki-convert/wiki-asciidoc/DevFaqNodeSelectAll.asciidoc [34:97]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
public abstract class ExplorerManagerAction extends SystemAction
  {
    private ExplorerManager activeExplorerManager;

    public ExplorerManagerAction()
      {
        TopComponent.getRegistry().addPropertyChangeListener(new PropertyChangeListener()
          {
            public void propertyChange (PropertyChangeEvent event)
              {
                if (TopComponent.Registry.PROP_ACTIVATED.equals(event.getPropertyName()))
                  {
                    Object value = event.getNewValue();

                    if (value instanceof ExplorerManager.Provider)
                      {
                        activeExplorerManager = ((ExplorerManager.Provider)value).getExplorerManager();
                        setEnabled(true);
                      }

                    else
                      {
                        activeExplorerManager = null;
                        setEnabled(false);
                      }
                  }
              }
          });
      }

    final public void actionPerformed (ActionEvent actionEvent)
      {
        if (activeExplorerManager != null)
          {
            try
              {
                performAction(activeExplorerManager);
              }
            catch (PropertyVetoException e)
              {
                // ...
              }
          }
      }

    abstract protected void performAction (ExplorerManager explorerManager)
      throws PropertyVetoException;

    public HelpCtx getHelpCtx()
      {
        return HelpCtx.DEFAULT_HELP;
      }

    protected void initialize()
      {
        super.initialize();
        putValue("noIconInMenu", Boolean.TRUE);
      }

    protected boolean asynchronous()
      {
        return false;
      }
  }
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



wiki-export/wiki-wikimedia/DevFaqNodeSelectAll.mediawiki [29:92]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
public abstract class ExplorerManagerAction extends SystemAction
  {
    private ExplorerManager activeExplorerManager;

    public ExplorerManagerAction()
      {
        TopComponent.getRegistry().addPropertyChangeListener(new PropertyChangeListener()
          {
            public void propertyChange (PropertyChangeEvent event)
              {
                if (TopComponent.Registry.PROP_ACTIVATED.equals(event.getPropertyName()))
                  {
                    Object value = event.getNewValue();

                    if (value instanceof ExplorerManager.Provider)
                      {
                        activeExplorerManager = ((ExplorerManager.Provider)value).getExplorerManager();
                        setEnabled(true);
                      }

                    else
                      {
                        activeExplorerManager = null;
                        setEnabled(false);
                      }
                  }
              }
          });
      }

    final public void actionPerformed (ActionEvent actionEvent)
      {
        if (activeExplorerManager != null)
          {
            try
              {
                performAction(activeExplorerManager);
              }
            catch (PropertyVetoException e)
              {
                // ...
              }
          }
      }

    abstract protected void performAction (ExplorerManager explorerManager)
      throws PropertyVetoException;

    public HelpCtx getHelpCtx()
      {
        return HelpCtx.DEFAULT_HELP;
      }

    protected void initialize()
      {
        super.initialize();
        putValue("noIconInMenu", Boolean.TRUE);
      }

    protected boolean asynchronous()
      {
        return false;
      }
  }
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -