Examples of org.openbp.jaspira.undo.UndoMgr

org.openbp.jaspira.undo.UndoMgr
This Manager controls the states of the application. If any plugin is performing an action and changing the state of the application it has to notify the Manager. Transitions are used to undo one or a set of actions. If a state changing process is being started a new Transition has to be created. All undoable actions fired after this will be saved in the transition. @author Jens Ferchland

     */
    public JaspiraEventHandlerCode undo(JaspiraActionEvent je)
    {
      if (currentModeler != null)
      {
        UndoMgr undoMgr = currentModeler.getUndoMgr();
        if (undoMgr.canUndo())
        {
          undoMgr.undo();
          return EVENT_CONSUMED;
        }
      }
      return EVENT_IGNORED;
    }

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     */
    public JaspiraEventHandlerCode redo(JaspiraActionEvent je)
    {
      if (currentModeler != null)
      {
        UndoMgr undoMgr = currentModeler.getUndoMgr();
        if (undoMgr.canRedo())
        {
          undoMgr.redo();
          return EVENT_CONSUMED;
        }
      }
      return EVENT_IGNORED;
    }

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     */
    public JaspiraEventHandlerCode modeler_view_activated(JaspiraEvent je)
    {
      currentModeler = (Modeler) je.getObject();


      UndoMgr undoMgr = currentModeler.getUndoMgr();
      undoMgr.updateActions();


      return EVENT_HANDLED;
    }

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    toolSupport = new ModelerToolSupport(this);
    StandardToolSupportSetup.setupToolSupport(toolSupport, true);


    clipboardSupport = new ClipboardSupport(workspaceView, getPluginResourceCollection(), false);


    undoMgr = new UndoMgr();


    getContentPane().removeAll();


    scrollPane = new JScrollPane(workspaceView);
    scrollPane.getViewport().addChangeListener(new ChangeListener()

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