X-Git-Url: https://git.llucax.com/z.facultad/75.52/treemulator.git/blobdiff_plain/ca4f831a3835de978b27c7e198b2b52999aa8f3e..b1b1cfeb329cedbf7bb89665fcda862a0e4fc46c:/viewer/main.cpp diff --git a/viewer/main.cpp b/viewer/main.cpp index c0aa299..e5cb24e 100644 --- a/viewer/main.cpp +++ b/viewer/main.cpp @@ -4,11 +4,55 @@ #include #include +#include "random.h" #include "view_btree.h" #include "view_properties.h" +#include "new_tree_dialog.h" +#include "key_dialog.h" +#include "view_debug.h" using namespace Gnome::Canvas; + Glib::ustring ui_info = +"" +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +" " +""; + +void nuevo_arbol (); +void abrir_arbol (); +void agregar_clave (); +void borrar_clave (); +void ir_al_padre (); +void buscar_clave (); +void zoom_out (); +void zoom_in (); +void zoom_normal (); + +Glib::RefPtr tree; +Gnome::Canvas::Canvas *real_canvas; +ViewProperties *real_frame; + int main(int argc, char *argv[]) { Gtk::Main kit(argc, argv); @@ -16,25 +60,321 @@ int main(int argc, char *argv[]) Gnome::Canvas::init (); Gtk::Window window; - Gtk::HBox hbox; - ViewProperties frame; + Gtk::VBox hbox; + Gtk::VBox vbox; + Gtk::ScrolledWindow area; Gnome::Canvas::Canvas canvas; + ViewProperties frame; + + real_canvas = &canvas; + real_frame = &frame; - ViewBTree canvas_grp (canvas.root (), "test.idx"); - canvas.set_scroll_region (0, 0, 5000, 5000); + canvas.set_scroll_region (0, 0, 100, 100); area.add (canvas); - hbox.pack_start (frame, false, false, 10); hbox.pack_start (area); + hbox.pack_start (frame, false, false, 10); + frame.set_size_request (200, 200); + + Glib::RefPtr actiongroup = Gtk::ActionGroup::create(); + + 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 ("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 ("b"), &ir_al_padre); + actiongroup->add( Gtk::Action::create("MenuKey", "_Clave") ); + actiongroup->add( Gtk::Action::create("Agregar Clave", Gtk::Stock::ADD), Gtk::AccelKey ("a"), &agregar_clave); + actiongroup->add( Gtk::Action::create("Borrar Clave", Gtk::Stock::REMOVE), Gtk::AccelKey ("d"), &borrar_clave); + actiongroup->add( Gtk::Action::create("Buscar Clave", Gtk::Stock::FIND), Gtk::AccelKey ("f"), &buscar_clave); + actiongroup->add( Gtk::Action::create("MenuZoom", "_Zoom")); + actiongroup->add( Gtk::Action::create("Alejar", Gtk::Stock::ZOOM_OUT), Gtk::AccelKey ("z"), &zoom_out ); + actiongroup->add( Gtk::Action::create("Acercar", Gtk::Stock::ZOOM_IN), Gtk::AccelKey ("x"), &zoom_in); + actiongroup->add( Gtk::Action::create("100 %", Gtk::Stock::ZOOM_100), Gtk::AccelKey ("1"), &zoom_normal); + + Glib::RefPtr m_refUIManager = Gtk::UIManager::create(); + m_refUIManager->insert_action_group (actiongroup); + + m_refUIManager->add_ui_from_string(ui_info); + Gtk::Widget* menubar = m_refUIManager->get_widget("/MenuBar"); + menubar->show_all (); + + vbox.pack_start (*menubar, false, true, 0); + vbox.pack_end (hbox, true, true, 5); - window.add (hbox); + window.add_accel_group (m_refUIManager->get_accel_group ()); + window.add (vbox); window.set_size_request (640, 480); window.show_all (); /* Conecto el Canvas con el Frame */ - canvas_grp.signal_selected ().connect ( sigc::mem_fun (frame, &ViewProperties::ShowItem) ); Gtk::Main::run(window); 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(ptree); + tree->signal_selected ().connect ( sigc::mem_fun (*real_frame, &ViewProperties::ShowItem) ); + tree->AddNode (0); + double x1, x2, y1, y2; + tree->get_bounds (x1, y1, x2, y2); + real_canvas->set_scroll_region (0, 0, 5000, 5000); + real_canvas->scroll_to (0, 0); + } + } +} + +void nuevo_arbol () +{ + real_canvas->set_scroll_region (0, 0, 5000, 5000); + + NewTreeDialog d; + if (d.run () == Gtk::RESPONSE_OK) { + uint altas = d.getAdds (); + uint bajas = d.getDels (); + + double paltas = bajas / (double)altas; + + int type = d.getKeyType (); + int atype = d.getTreeType (); + std::string name = d.getName (); + tree = Glib::RefPtr(new ViewBTree (real_canvas->root(), name+".idx", d.getBlockSize (), atype, type)); + real_frame->SetTree (tree); + tree->signal_selected ().connect ( sigc::mem_fun (*real_frame, &ViewProperties::ShowItem) ); + if (type == BTree::KEY_FIXED) { + std::list lst; + std::list::iterator it; + Random::Init (); + Random::Ints (lst, altas); + + it = lst.begin (); + uint i = 0; + while (it != lst.end ()) { + ClaveFija c(*it); + + double l = Random::Double (0.0f, 1.0f); + std::cout << l << " >= " << paltas << std::endl; + if (l >= paltas) { + try { + tree->AddKey (c); + } catch (Exception *e) { + std::cout << "====== " << (std::string)c << e->Message () << std::endl; + } + i++; + } else { + /* Tengo que borrar una clave entre 0 e "i" de la lista + * porque son las que ya agregue. */ + int aborrar = (int)Random::Double (0, i); + std::list::iterator otro = lst.begin (); + int j = 0; + while (j < aborrar) { + otro++; + j++; + } + ClaveFija c(*otro); + + tree->DelKey (c); + std::string sss = c; + std::cout << "Clave Borrada " << sss << std::endl; + } + + it++; + } + } else { + std::list lst; + std::list::iterator it; + Random::Init (); + Random::Strings (lst, altas); + + it = lst.begin (); + while (it != lst.end ()) { + ClaveVariable c(*it); + + try { + tree->AddKey (c); + } catch (Exception *e) { + std::cout << "====== " << (std::string)c << e->Message () << std::endl; + } + it++; + } + } + tree->AddNode (0); + double x1, x2, y1, y2; + tree->get_bounds (x1, y1, x2, y2); + real_canvas->scroll_to (0, 0); + } +} + +void agregar_clave () +{ + if (!tree) + { + Gtk::MessageDialog d("No hay un arbol creado, por favor primero cree un arbol!", + false, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true); + d.run(); + return; + } + KeyDialog d("Agregar"); + if (d.run () == Gtk::RESPONSE_OK) + { + Glib::ustring str_key = d.key(); + Glib::ustring str_val = d.val(); + if (tree->type() == BTree::KEY_FIXED) + { + ClaveFija c(atoi(str_key.c_str())); + tree->AddKey(c); + } + else + { + ClaveVariable c(str_key); + tree->AddKey(c); + } + + /* Muestro la clave agregada */ + BTreeFindResult* result = 0; + Clave *c = NULL; + if (tree->type() == BTree::KEY_FIXED) { + c = new ClaveFija (atoi(str_key.c_str())); + result = tree->FindKey(*c); + } else { + c = new ClaveVariable (str_key); + result = tree->FindKey(*c); + } + if (result) { + tree->Clear (); + tree->AddNode(result->node); + tree->HighliteKey (*c); + delete result; + } else { + delete tree->last_selected; + tree->last_selected = NULL; + tree->AddNode (0); + } + if (c) delete c; + real_canvas->scroll_to (0, 0); + } +} + +void borrar_clave () +{ + if (!tree) + { + Gtk::MessageDialog d("No hay un arbol creado, por favor primero cree un arbol!", + false, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true); + d.run(); + return; + } + KeyDialog d("Borrar"); + if (d.run () == Gtk::RESPONSE_OK) + { + Glib::ustring str_key = d.key(); + if (tree->type() == BTree::KEY_FIXED) + { + ClaveFija c(atoi(str_key.c_str())); + tree->DelKey(c); + } + else + { + ClaveVariable c(str_key); + tree->DelKey(c); + } + delete tree->last_selected; + tree->AddNode (0); + } +} + +void ir_al_padre () +{ + if (!tree) + { + Gtk::MessageDialog d("No hay un arbol creado, por favor primero cree un arbol!", + false, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true); + d.run(); + return; + } + tree->GoBack (); +} + +void buscar_clave () +{ + if (!tree) + { + Gtk::MessageDialog d("No hay un arbol creado, por favor primero cree un arbol!", + false, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true); + d.run(); + return; + } + KeyDialog d("Buscar"); + while (true) // Repite hasta que se encuentre algo o se cancele + { + if (d.run () == Gtk::RESPONSE_OK) + { + BTreeFindResult* result = 0; + Clave *c = NULL; + Glib::ustring str_key = d.key(); + if (tree->type() == BTree::KEY_FIXED) + { + c = new ClaveFija (atoi(str_key.c_str())); + result = tree->FindKey(*c); + } + else + { + c = new ClaveVariable (str_key); + result = tree->FindKey(*c); + } + if (result) + { + tree->Clear (); + tree->AddNode(result->node); + tree->HighliteKey (*c); + delete result; + delete c; + real_canvas->scroll_to (0, 0); + return; // Encontramos, salimos + } + if (c) delete c; + Gtk::MessageDialog msg("Clave no encontrada!", false, + Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true); + msg.run(); + // Seguimos intentando + } + else return; // Cancelaron, salimos + } +} + +void zoom_out () +{ + double r = real_canvas->get_pixels_per_unit (); + r *= 0.9f; + if (r < 0.0001) + r = 0.0001; + real_canvas->set_pixels_per_unit (r); +} + +void zoom_in () +{ + double r = real_canvas->get_pixels_per_unit (); + r *= 1.1f; + if (r > 10) + r = 10; + real_canvas->set_pixels_per_unit (r); +} + +void zoom_normal () +{ + real_canvas->set_pixels_per_unit (1.0f); +} +