From 5f25f8927d0670eabcbcb8ef1e71b7887c63b887 Mon Sep 17 00:00:00 2001
From: Ricardo Markiewicz <rmarkie@fi.uba.ar>
Date: Wed, 23 Nov 2005 17:00:04 +0000
Subject: [PATCH] Menu y actions para abrir un arbol.

---
 viewer/main.cpp       | 21 +++++++++++++++++++++
 viewer/view_btree.cpp |  2 +-
 viewer/view_btree.h   |  2 +-
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/viewer/main.cpp b/viewer/main.cpp
index a7bb924..144cdda 100644
--- a/viewer/main.cpp
+++ b/viewer/main.cpp
@@ -18,6 +18,7 @@ using namespace Gnome::Canvas;
 "  <menubar name='MenuBar'>"
 "    <menu action='MenuFile'>"
 "      <menuitem action='Nuevo'/>"
+"      <menuitem action='Abrir'/>"
 "      <separator/>"
 "      <menuitem action='Salir'/>"
 "    </menu>"
@@ -39,6 +40,7 @@ using namespace Gnome::Canvas;
 "</ui>";
 
 void nuevo_arbol ();
+void abrir_arbol ();
 void agregar_clave ();
 void borrar_clave ();
 void ir_al_padre ();
@@ -79,6 +81,7 @@ int main(int argc, char *argv[])
 
 	actiongroup->add( Gtk::Action::create("MenuFile", "_Arbol") );
 	actiongroup->add( Gtk::Action::create("Nuevo", Gtk::Stock::NEW), &nuevo_arbol);
+	actiongroup->add( Gtk::Action::create("Abrir", Gtk::Stock::OPEN), &abrir_arbol);
 	actiongroup->add( Gtk::Action::create("Salir", Gtk::Stock::QUIT), Gtk::AccelKey ("<control>q"), &Gtk::Main::quit);
 	actiongroup->add( Gtk::Action::create("MenuNode", "_Nodo") );
 	actiongroup->add( Gtk::Action::create("Ir al Padre", Gtk::Stock::GO_BACK), Gtk::AccelKey ("<control>b"), &ir_al_padre);
@@ -112,6 +115,24 @@ int main(int argc, char *argv[])
 	return 0;
 }
 
+void abrir_arbol ()
+{
+	Gtk::FileChooserDialog dlg ("Abrir Arbol");
+
+	dlg.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+	dlg.add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
+	if (dlg.run () == Gtk::RESPONSE_ACCEPT) {
+		Glib::ustring s = dlg.get_filename ();
+		std::string filename = s; 
+		ViewBTree *ptree = ViewBTree::Open (real_canvas->root (), filename);
+		if (ptree != NULL) {
+			tree = Glib::RefPtr<ViewBTree>(ptree);
+			tree->signal_selected ().connect ( sigc::mem_fun (*real_frame, &ViewProperties::ShowItem) );
+			tree->AddNode (0);
+		}
+	}
+}
+
 void nuevo_arbol ()
 {
 	real_canvas->set_scroll_region (0, 0, 5000, 5000);
diff --git a/viewer/view_btree.cpp b/viewer/view_btree.cpp
index d85a909..dab5404 100644
--- a/viewer/view_btree.cpp
+++ b/viewer/view_btree.cpp
@@ -31,7 +31,7 @@ ViewBTree::ViewBTree (Canvas::Group *parent, const std::string filename)
 	last_visited = 0;
 }
 
-ViewBTree* Open (Canvas::Group *parent, const std::string &filename)
+ViewBTree* ViewBTree::Open (Canvas::Group *parent, const std::string &filename)
 {
 	ViewBTree *tree = new ViewBTree (parent, filename);
 
diff --git a/viewer/view_btree.h b/viewer/view_btree.h
index f4e3c47..729f267 100644
--- a/viewer/view_btree.h
+++ b/viewer/view_btree.h
@@ -18,7 +18,7 @@ class ViewBTree : public Canvas::Group, public BTree {
 		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);
+		static ViewBTree* Open (Canvas::Group *parent, const std::string &filename);
 
 		void Clear ();
 		void HighliteKey (Clave &k);
-- 
2.43.0