Examples of syn3d.base.ActiveNode

syn3d.base.ActiveNode
Active nodes are a the plugin interface to build the 3D scene graph, which is itself mapped to the swing tree. They can represent any object for the scene, be it a Shape3D, a Transform group or an ambiant light. As their name suggests, they also bring their own possible actions. For example, a rotation transform may declare an action to rotate 90� on X axis, and so on. A switch group may declare actions to set its children visible or not. Etc... Another reason why this interface is neither the swing nor the 3D node, is for serialization. See the save/restore methods for comments. @author nicolas brodu


  /** Adds all expanded path under the given tree path to the arraylist, recusrively */
  protected void recursiveExpandedPathFinder(TreePath current, ArrayList expPaths) {
        if (!sceneTree.isExpanded(current)) return;
        expPaths.add(current);
        ActiveNode node = (ActiveNode)current.getLastPathComponent();
      for (Iterator it = node.getChildren().iterator(); it.hasNext();) {
          recursiveExpandedPathFinder(current.pathByAddingChild((ActiveNode)it.next()),expPaths);
      }
        
  }

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      String cmd = e.getActionCommand();
    if (cmd.equals("delete_node")) {
      Object o = sceneTree.getLastSelectedPathComponent();
      if (o==null) return;
      if (!(o instanceof ActiveNode)) return;
      ActiveNode node = (ActiveNode)o;
      node.remove();
      return;
    }
      
      // Use the following to do something special when the user selects a ChildMenu item
      // The tree already listens to add events, so there is nothing to do here

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      }
      
      if (dest==null) dest = ((SceneGraphModel)sceneTree.getModel()).getRoot(); 
      
      if (!(dest instanceof ActiveNode)) return;
      ActiveNode node = (ActiveNode)dest;
      
      JPopupMenu menu = pluginManager.getChildMenu(node, this);
      List actions = node.getActions();
      if ((menu==null) && ((actions==null) || (actions.size()==0)))
          return; // this component does not have any declared potential children, and no actions
      // If there are actions, but no children, new menu
      if (menu==null) menu = new JPopupMenu();
      // Otherwise, add separator if needed
      else if ((actions!=null) && (actions.size()>0)) menu.add(new JPopupMenu.Separator(), 0);
      // Now add actions on top of menu, keeping order
      if (actions!=null) 
          for (int i=actions.size()-1; i>=0; --i) {
              Object a = actions.get(i); 
              if (a!=null) menu.add(new ActionMenuItem(node, a), 0);
          }
      // Finally popup the result
      menu.show((JComponent)e.getSource(), e.getX(), e.getY());
      
    } else if (e.getClickCount()==2 && (e.getModifiers()&MouseEvent.BUTTON1_MASK)==MouseEvent.BUTTON1_MASK){
      
      Object dest = null;
      TreePath path = sceneTree.getPathForLocation(e.getX(), e.getY());
      
      if (path != null) sceneTree.setSelectionPath(path);
      
      if (sceneTree.getSelectionPath() != null) {
        dest = sceneTree.getSelectionPath().getLastPathComponent();
      }
      
      if (dest==null) dest = ((SceneGraphModel)sceneTree.getModel()).getRoot(); 
      
      if (!(dest instanceof ActiveNode)) return;
      ActiveNode node = (ActiveNode)dest;
       pluginManager.showProperties(node, this);
    }
    
  }

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