From: Ricardo Markiewicz <rmarkie@fi.uba.ar>
Date: Wed, 23 Nov 2005 16:40:53 +0000 (+0000)
Subject: Abrir Arbol en la vista.
X-Git-Tag: 1_0~3
X-Git-Url: https://git.llucax.com/z.facultad/75.52/treemulator.git/commitdiff_plain/e6100aeea161cb8ca20b42243f33c7eea1dd3a2e

Abrir Arbol en la vista.
---

diff --git a/viewer/view_btree.cpp b/viewer/view_btree.cpp
index eb2e067..d85a909 100644
--- a/viewer/view_btree.cpp
+++ b/viewer/view_btree.cpp
@@ -19,6 +19,30 @@ ViewBTree::ViewBTree (Canvas::Group *parent, std::string filename, uint block_si
 	last_visited = 0;
 }
 
+ViewBTree::ViewBTree (Canvas::Group *parent, const std::string filename)
+	:Canvas::Group (*parent, 0, 0), BTree (filename)
+{
+	/* Cada bytes lo hago de 5 units de ancho */
+	node_width = 4 * header.block_size;
+	node_height = 50;
+	byte_to_pixels  = node_width/header.block_size;
+
+	last_selected = NULL;
+	last_visited = 0;
+}
+
+ViewBTree* Open (Canvas::Group *parent, const std::string &filename)
+{
+	ViewBTree *tree = new ViewBTree (parent, filename);
+
+	if (tree->fp == NULL) {
+		delete tree;
+		return NULL;
+	}
+
+	return tree;
+}
+
 void ViewBTree::GoBack ()
 {
 	uint l = back.top ();
diff --git a/viewer/view_btree.h b/viewer/view_btree.h
index 18f4df7..f4e3c47 100644
--- a/viewer/view_btree.h
+++ b/viewer/view_btree.h
@@ -16,6 +16,9 @@ class ViewNode;
 class ViewBTree : public Canvas::Group, public BTree {
 	public:
 		ViewBTree (Canvas::Group *parent, std::string filename, uint block_size, int tree_type, int type);
+		ViewBTree (Canvas::Group *parent, const std::string filename);
+
+		static ViewBTree* Open (const std::string &filename);
 
 		void Clear ();
 		void HighliteKey (Clave &k);