Exemplo n.º 1
0
  NodePresenter(VGraphExplorer parent, NodeProxy model) {
    this.parent = parent;
    this.model = model;
    graph = parent.getGraph();

    view.setTitle(model.getId());
    Style style = view.getElement().getStyle();
    style.setLeft(model.getX(), Unit.PX);
    style.setTop(model.getY(), Unit.PX);

    view.addDomHandler(this, MouseDownEvent.getType());
    view.addDomHandler(this, MouseMoveEvent.getType());
    view.addDomHandler(this, MouseUpEvent.getType());

    parent.add(view);
  }
Exemplo n.º 2
0
 public void onMouseUp(MouseUpEvent event) {
   Element element = view.getElement();
   if (!isDragging()) {
     updateCSS();
     limitToBoundingBox();
     if (NodeProxy.EXPANDED.equals(model.getState())) {
       model.setState(NodeProxy.COLLAPSED);
       for (NodeProxy neighbor : graph.getNeighbors(model)) {
         boolean collapsed = NodeProxy.COLLAPSED.equals(neighbor.getState());
         boolean leafNode = graph.degree(neighbor) == 1;
         if (collapsed && leafNode) {
           graph.removeNode(neighbor);
         }
       }
     }
     parent.toggle(model);
   } else {
     parent.save(model, true);
     setDragging(false);
   }
   setMouseDown(false);
   DOM.releaseCapture(element);
   event.preventDefault();
 }