Examples of org.openbp.core.model.item.process.PlaceholderNode

Package org.openbp.core.model.item.process

Examples of org.openbp.core.model.item.process.PlaceholderNode

org.openbp.core.model.item.process.PlaceholderNode
A placeholder node is used in a process if at present the type of the underlying item cannot be determined yet. It will be substituted for an activity or process node in a later stage of the development process. As opposed to other types of multi socket nodes, a placeholder is not associated with an item and thus has no special properties. @author Heiko Erhardt

   *
   * @return The new {@link PlaceholderNode}
   */
  public Node toNode(ProcessItem process, int syncFlags)
  {
    PlaceholderNode result = new PlaceholderNodeImpl();


    result.setProcess(process);
    result.copyFromItem(this, syncFlags);


    return result;
  }

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   */
  public void executeModelObject(ModelObject mo, EngineExecutor ee)
  {
    TokenContext context = ee.getTokenContext();
    NodeSocket entrySocket = context.getCurrentSocket();
    PlaceholderNode node = (PlaceholderNode) entrySocket.getNode();


    NodeSocket nextSocket = node.getDefaultExitSocket();
    if (nextSocket == null)
    {
      String msg = LogUtil.error(getClass(), "No default exit socket present for placeholder node $0. [{1}]", node.getQualifier(), context);
      throw new EngineException("NoDefaultExitSocket", msg);
    }
    context.setCurrentSocket(nextSocket);
  }

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  public boolean handleEvent(VisualElementEvent event)
  {
    if (event.type == VisualElementEvent.DOUBLE_CLICK)
    {
      PlaceholderNode placeholderNode = (PlaceholderNode) node;


      if (placeholderNode.getReferencePath() == null)
      {
        // Double-clicking a placeholder w/o reference path means creating a reference to a process or process element.
        // We may either create a new one or choose an existing one.
        // Ask the user what he wants:


        ResourceCollection res = getDrawing().getEditor().getPluginResourceCollection();
        String title = res.getRequiredString("placeholder.referencedialog.title");
        String text = res.getRequiredString("placeholder.referencedialog.text");


        JMsgBox msgBox = new JMsgBox(null, title, text, JMsgBox.TYPE_YESNOCANCEL);
        msgBox.setResource(res);
        msgBox.setResourcePrefix("placeholder.referencedialog.");


        msgBox.initDialog();
        SwingUtil.show(msgBox);


        int choice = msgBox.getUserChoice();


        Model model = node.getOwningModel();


        if (choice == JMsgBox.TYPE_YES)
        {
          // Yes means create a new process
          final Item item = ItemCreationUtil.createItem(model, placeholderNode.getName(), placeholderNode.getDisplayName(), ItemTypes.PROCESS, null);
          if (item != null)
          {
            assignPlaceholderReference(item);


            // Open the new process

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    ProcessDrawing drawing = getDrawing();


    drawing.getEditor().startUndo("Create placeholder reference");


    // Assign the object reference to the placeholder
    PlaceholderNode placeholderNode = (PlaceholderNode) node;
    placeholderNode.setReferencePath(referencePath);


    // Make the skin reflect the change
    updateFigure();


    // Redisplay the placeholder properties

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    // Try to connect the control and data links from/to the placeholder to the new node


    // If the orientation of the new node figure and the drawing don't match,
    // rotate the figure
    PlaceholderNode plNode = (PlaceholderNode) getNode();


    // Try to connect


    // Iterate all sockets of the placeholder
    for (Iterator itSockets = plNode.getSockets(); itSockets.hasNext();)
    {
      // TODO Feature 6 NodeSocket plSocket = (NodeSocket) itSockets.next();
    }


    // Reinitialize the drawing

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Related Classes of org.openbp.core.model.item.process.PlaceholderNode

org.openbp.cockpit.modeler.figures.process.PlaceholderNodeFigure

org.openbp.core.model.item.activity.PlaceholderItemImpl

org.openbp.server.engine.executor.PlaceholderNodeExecutor

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