Agrega ABB (Altas, Bajas y Búsqueda ;) de claves al viewer.

[z.facultad/75.52/treemulator.git] / viewer / view_node.cpp

diff --git a/viewer/view_node.cpp b/viewer/view_node.cpp
index 0092dc070d60fd861bd4d221add15f51977ef971..6dc664941968a35693b53cb78db1688f6b7b8be1 100644 (file)
--- a/viewer/view_node.cpp
+++ b/viewer/view_node.cpp
@@ -1,19 +1,21 @@
 
 #include "view_node.h"
 
-ViewNode::ViewNode (Canvas::Group *parent, uint num, BTreeNodeHeader &header, std::list<BTreeData *> &keys)
+ViewNode::ViewNode (Canvas::Group *parent, uint num, uint padre, BTreeNodeHeader &header, std::list<BTreeData *> &keys)
        : Canvas::Group (*parent)
 {
+       last_selected = NULL;
        double header_w = ViewBTree::byte_to_pixels * sizeof (BTreeNodeHeader);
        this->num = num;
+       this->padre = padre;
 
        /* Fondo */
-       Canvas::Rect *fondo = new Canvas::Rect (*this, 0, 0, NODE_WIDTH, NODE_HEIGHT);
+       fondo = new Canvas::Rect (*this, 0, 0, ViewBTree::node_width, ViewBTree::node_height);
        fondo->property_fill_color() = "gray";
        fondo->property_outline_color() = "black";
 
        /* Header */
-       Canvas::Rect *h = new Canvas::Rect (*this, 0, 0, header_w, NODE_HEIGHT);
+       Canvas::Rect *h = new Canvas::Rect (*this, 0, 0, header_w, ViewBTree::node_height);
        h->property_fill_color() = "blue";
        h->property_outline_color() = "black";
 
@@ -22,7 +24,7 @@ ViewNode::ViewNode (Canvas::Group *parent, uint num, BTreeNodeHeader &header, st
        std::stringstream ss;
        ss << num;
        ss >> node_num;
-       new Canvas::Text (*this, header_w/2, NODE_HEIGHT/2, node_num);
+       new Canvas::Text (*this, header_w/2, ViewBTree::node_height/2, node_num);
 
        double x = header_w;
 
@@ -31,21 +33,33 @@ ViewNode::ViewNode (Canvas::Group *parent, uint num, BTreeNodeHeader &header, st
                BTreeData *data = (*it);
                double w = ViewBTree::byte_to_pixels * data->Size ();
 
-               ViewBTreeData *v = ViewBTreeData::Create (data, this, x, 0, w+x, NODE_HEIGHT);
+               ViewBTreeData *v = ViewBTreeData::Create (data, this, x, 0, w+x, ViewBTree::node_height);
                v->signal_clicked ().connect ( sigc::mem_fun (this , &ViewNode::on_item_clicked ));
+               v->signal_double_clicked ().connect ( sigc::mem_fun (this , &ViewNode::on_item_activated ));
                x += w;
                it++;
 
                if (!dynamic_cast<BTreeLeafData *>(data)) {
                        /* Si no es un dato de una hoja, tiene hijos */
-                       hijos.push_back (data->getChild ());
+                       hijos.push_back (data->GetChild ());
                }
        }
 }
 
-void ViewNode::on_item_clicked (BTreeData *data)
+void ViewNode::on_item_clicked (BTreeData *data, ViewBTreeData *s)
 {
-       m_signal_selected (data, num);
+       if (last_selected)
+               if (s != last_selected)
+                       last_selected->SetSelected (false);
+       last_selected = s;
+       m_signal_selected (data, num, this);
+}
+
+void ViewNode::on_item_activated (BTreeData *data, ViewBTreeData *s)
+{
+       /* Solo activo los que tienen hijos */
+       if (dynamic_cast<BTreeLeafData *> (data) == NULL)
+               m_signal_activated (data, num, this);
 }
 
 ViewNode::type_signal_selected ViewNode::signal_selected ()
@@ -53,3 +67,15 @@ ViewNode::type_signal_selected ViewNode::signal_selected ()
        return m_signal_selected;
 }
 
+ViewNode::type_signal_activated ViewNode::signal_activated ()
+{
+       return m_signal_activated;
+}
+
+void ViewNode::SetSelected (bool b)
+{
+       if (last_selected) {
+               last_selected->SetSelected (b);
+       }
+}
+