- double header_w = byte_to_pixels * sizeof (BTreeNodeHeader);
- double x = 0;
-
- Canvas::Rect *view_header = new Canvas::Rect (*this, x, y, x+header_w, y+NODE_HEIGHT);
- view_header->property_fill_color() = "blue";
-
- /* Numero de nodo */
- std::string node_num;
- std::stringstream ss;
- ss << num;
- ss >> node_num;
- new Canvas::Text (*this, header_w/2, y+NODE_HEIGHT/2, node_num);
-
- x += header_w;
-
- /* Cuento los hijos para saber como centrarlos más adelante */
- std::list<uint> hijos;
-
- std::list<BTreeData *>::iterator it = keys.begin ();
- while (it != keys.end ()) {
- BTreeData *data = (*it);
- double w = byte_to_pixels * data->Size ();
-
- ViewBTreeData *v = ViewBTreeData::Create (data, this, x, y, w+x, y+NODE_HEIGHT);
-
- x += w;
- it++;
-
- if (dynamic_cast<BTreeChildData *>(data)) {
- BTreeChildData *child = dynamic_cast<BTreeChildData *>(data);
- hijos.push_back (child->getChild ());
+ ViewNode *vnode = new ViewNode (this, num, node_h, keys);
+ vnode->property_y () = y;
+ vnode->property_x () = pos_x[node_h.level];
+ pos_x[node_h.level] += NODE_WIDTH+10;
+ vnode->signal_selected().connect ( sigc::mem_fun (*this, &ViewBTree::on_item_selected) );
+
+ std::list<uint> childs = vnode->getChilds ();
+ std::list<uint>::iterator hit = childs.begin ();
+ while (hit != childs.end ()) {
+ if ((*hit) == 0) {
+ std::cout << "WARNING : Referencia a 0 encontrada!!" << std::endl;
+ hit = childs.end ();
+ continue;