Hago que el header ocupe todo el primer bloque.

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

diff --git a/viewer/view_btree.cpp b/viewer/view_btree.cpp
index 4fb08394351c2372693b743cc2667e424986f6ef..1180c939fd4332d3e871604712840392d26ed2a3 100644 (file)
--- a/viewer/view_btree.cpp
+++ b/viewer/view_btree.cpp
@@ -4,22 +4,16 @@
 #include <sigc++/slot.h>
 
 double ViewBTree::byte_to_pixels = 0;
+double ViewBTree::node_width = 0;
 
-ViewBTree::ViewBTree (Canvas::Group *parent, std::string filename):Canvas::Group (*parent, 0, 0),
-       BTree (filename, 64)
+ViewBTree::ViewBTree (Canvas::Group *parent, std::string filename, uint block_size):Canvas::Group (*parent, 0, 0),
+       BTree (filename, block_size)
 {
-       /* TODO : hace que el arbol se abra de un archivo ya creado o que se
-        * cree afuera
-        */
-       for (int i=0; i<=64; i++) {
-               ClaveFija c(i);
+       /* Cada bytes lo hago de 5 units de ancho */
+       node_width = 3 * block_size; // 64 == blocksize
+       byte_to_pixels  = node_width/block_size; // TODO : 64 == BlockSize
 
-               AddKey (c);
-       }
-
-       byte_to_pixels  = NODE_WIDTH/64; // TODO : 64 == BlockSize
-
-       AddNode (0);
+       last_selected = NULL;
 }
 
 void ViewBTree::AddNode (uint num)
@@ -48,7 +42,7 @@ void ViewBTree::AddNode (uint num)
        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;
+       pos_x[node_h.level] += ViewBTree::node_width+10;
        vnode->signal_selected().connect ( sigc::mem_fun (*this, &ViewBTree::on_item_selected) );
 
        std::list<uint> childs = vnode->getChilds ();
@@ -64,7 +58,7 @@ void ViewBTree::AddNode (uint num)
        }
 }
 
-void ViewBTree::on_item_selected (BTreeData *data, uint num)
+void ViewBTree::on_item_selected (BTreeData *data, uint num, ViewNode *vnode)
 {
        BTreeNodeHeader node_h;
        uchar *node;
@@ -73,7 +67,11 @@ void ViewBTree::on_item_selected (BTreeData *data, uint num)
        ReadNodoHeader (node, &node_h);
        delete [] node;
 
-       std::cout << "Emit SignalSelected" << std::endl;
+       if (last_selected)
+               if (vnode != last_selected)
+                       last_selected->SetSelected (false);
+       last_selected = vnode;
+       vnode->SetSelected (true);
        m_signal_selected (data, node_h);
 }
 
@@ -82,55 +80,3 @@ ViewBTree::type_signal_selected ViewBTree::signal_selected ()
        return m_signal_selected;
 }
 
-ViewNode::ViewNode (Canvas::Group *parent, uint num, BTreeNodeHeader &header, std::list<BTreeData *> &keys)
-       : Canvas::Group (*parent)
-{
-       double header_w = ViewBTree::byte_to_pixels * sizeof (BTreeNodeHeader);
-       this->num = num;
-
-       /* Fondo */
-       Canvas::Rect *fondo = new Canvas::Rect (*this, 0, 0, NODE_WIDTH, 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);
-       h->property_fill_color() = "blue";
-       h->property_outline_color() = "black";
-
-       /* Numero de nodo */
-       std::string node_num;
-       std::stringstream ss;
-       ss << num;
-       ss >> node_num;
-       new Canvas::Text (*this, header_w/2, NODE_HEIGHT/2, node_num);
-
-       double x = header_w;
-
-       std::list<BTreeData *>::iterator it = keys.begin ();
-       while (it != keys.end ()) {
-               BTreeData *data = (*it);
-               double w = ViewBTree::byte_to_pixels * data->Size ();
-
-               ViewBTreeData *v = ViewBTreeData::Create (data, this, x, 0, w+x, NODE_HEIGHT);
-               v->signal_clicked ().connect ( sigc::mem_fun (this , &ViewNode::on_item_clicked ));
-               x += w;
-               it++;
-
-               if (!dynamic_cast<BTreeLeafData *>(data)) {
-                       /* Si no es un dato de una hoja, tiene hijos */
-                       hijos.push_back (data->getChild ());
-               }
-       }
-}
-
-void ViewNode::on_item_clicked (BTreeData *data)
-{
-       m_signal_selected (data, num);
-}
-
-ViewNode::type_signal_selected ViewNode::signal_selected ()
-{
-       return m_signal_selected;
-}
-