X-Git-Url: https://git.llucax.com/z.facultad/75.52/treemulator.git/blobdiff_plain/37c9b25e38617bead7998f82531d5e3131a4d7b7..31ec4d4de2e362f66015fd28fcfd2b3ef4c3542f:/viewer/view_btree.cpp

diff --git a/viewer/view_btree.cpp b/viewer/view_btree.cpp
index f62e931..d8bc219 100644
--- a/viewer/view_btree.cpp
+++ b/viewer/view_btree.cpp
@@ -1,7 +1,8 @@
 
 #include "view_btree.h"
 #include "view_btree_data.h"
-		
+#include <sigc++/slot.h>
+
 double ViewBTree::byte_to_pixels = 0;
 
 ViewBTree::ViewBTree (Canvas::Group *parent, std::string filename):Canvas::Group (*parent, 0, 0),
@@ -23,6 +24,12 @@ ViewBTree::ViewBTree (Canvas::Group *parent, std::string filename):Canvas::Group
 
 void ViewBTree::AddNode (uint num)
 {
+	if (node_placed[num]) {
+		std::cout << "WARNING : Tratando de agregar de nuevo el nodo " << num << std::endl;
+		return;
+	}
+
+	node_placed[num] = true;
 	/* Muestro la raiz */
 	double y = 0;
 	uchar *node = ReadBlock (num);
@@ -42,53 +49,36 @@ void ViewBTree::AddNode (uint num)
 	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;
+		}
 		AddNode (*hit);
 		hit++;
 	}
 }
 
-ViewNode::ViewNode (Canvas::Group *parent, uint num, BTreeNodeHeader &header, std::list<BTreeData *> &keys)
-	: Canvas::Group (*parent)
+void ViewBTree::on_item_selected (BTreeData *data, uint num)
 {
-	double header_w = ViewBTree::byte_to_pixels * sizeof (BTreeNodeHeader);
-
-	/* 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);
+	BTreeNodeHeader node_h;
+	uchar *node;
+	
+	node = ReadBlock (num);
+	ReadNodoHeader (node, &node_h);
+	delete [] node;
 
-		x += w;
-		it++;
+	std::cout << "Emit SignalSelected" << std::endl;
+	m_signal_selected (data, node_h);
+}
 
-		if (!dynamic_cast<BTreeLeafData *>(data)) {
-			/* Si no es un dato de una hoja, tiene hijos */
-			hijos.push_back (data->getChild ());
-		}
-	}
+ViewBTree::type_signal_selected ViewBTree::signal_selected ()
+{
+	return m_signal_selected;
 }