Constructor/src/constructor.cpp

   1 #include "constructor.h"
   2
   3 Constructor::Constructor(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& refGlade):Gtk::Window(cobject)
   4 {
   5         id = 0;
   6         saved = false;
   7         set_title("Constructor");
   8
   9
  10         ico_canio = Gdk::Pixbuf::create_from_file(PACKAGE_DATA_DIR"/plaqui-constructor/pixmaps/canio_n.png");
  11         ico_y     = Gdk::Pixbuf::create_from_file(PACKAGE_DATA_DIR"/plaqui-constructor/pixmaps/y_n.png");
  12         ico_codo  = Gdk::Pixbuf::create_from_file(PACKAGE_DATA_DIR"/plaqui-constructor/pixmaps/codo_o.png");
  13         ico_tanque  = Gdk::Pixbuf::create_from_file(PACKAGE_DATA_DIR"/plaqui-constructor/pixmaps/tanque_e.png");
  14         ico_exclusa = Gdk::Pixbuf::create_from_file(PACKAGE_DATA_DIR"/plaqui-constructor/pixmaps/exclusa_h.png");
  15         ico_drain = Gdk::Pixbuf::create_from_file(PACKAGE_DATA_DIR"/plaqui-constructor/pixmaps/drain_n.png");
  16         ico_bomba = Gdk::Pixbuf::create_from_file(PACKAGE_DATA_DIR"/plaqui-constructor/pixmaps/bomba_e.png");
  17         ico_and = Gdk::Pixbuf::create_from_file(PACKAGE_DATA_DIR"/plaqui-constructor/pixmaps/and_e.png");
  18         ico_or = Gdk::Pixbuf::create_from_file(PACKAGE_DATA_DIR"/plaqui-constructor/pixmaps/or_e.png");
  19         ico_not = Gdk::Pixbuf::create_from_file(PACKAGE_DATA_DIR"/plaqui-constructor/pixmaps/not_e.png");
  20
  21         refGlade->get_widget("btn_canio", btn_canio);
  22         refGlade->get_widget("btn_codo", btn_codo);
  23         refGlade->get_widget("btn_y", btn_y);
  24         refGlade->get_widget("btn_tanque",btn_tanque);
  25         refGlade->get_widget("btn_bomba", btn_bomba);
  26         refGlade->get_widget("btn_exclusa", btn_exclusa);
  27         refGlade->get_widget("btn_drain", btn_drain);
  28         refGlade->get_widget("btn_and", btn_and);
  29         refGlade->get_widget("btn_or", btn_or);
  30         refGlade->get_widget("btn_not", btn_not);
  31         refGlade->get_widget("main_menu_quit",main_menu_quit);
  32         refGlade->get_widget("main_menu_new",main_menu_new);
  33         refGlade->get_widget("main_menu_open",main_menu_open);
  34         refGlade->get_widget("main_menu_save",main_menu_save);
  35         refGlade->get_widget("edit_menu_del",edit_menu_del);
  36         refGlade->get_widget("chk_btn_logica",chk_btn_logica);
  37         refGlade->get_widget("file_open_selection",file_open_selection);
  38         refGlade->get_widget("file_selection",file_selection);
  39         refGlade->get_widget("combo_entry",combo_entry);
  40         refGlade->get_widget("btn_check",btn_check);
  41         refGlade->get_widget("dlg_connect", dlg_connect);
  42         refGlade->get_widget("btn_dlg_close", btn_dlg_close);
  43         refGlade->get_widget("dlg_label", dlg_label);
  44         refGlade->get_widget("quick_btn_new", quick_btn_new);
  45         refGlade->get_widget("quick_btn_save", quick_btn_save);
  46         refGlade->get_widget("quick_btn_open", quick_btn_open);
  47         refGlade->get_widget("edit_menu_delete_all", edit_menu_delete_all);
  48
  49         refGlade->get_widget_derived("workplace", workplace);  //fixed
  50
  51         //Targets
  52         listTargets.push_back( Gtk::TargetEntry("STRING") );
  53         listTargets.push_back( Gtk::TargetEntry("text/plain") );
  54         listTargets.push_back( Gtk::TargetEntry("POINTER") );
  55         listTargets.push_back( Gtk::TargetEntry("application/pointer") );
  56
  57         btn_canio->drag_source_set(listTargets);
  58         btn_y->drag_source_set(listTargets);
  59         btn_codo->drag_source_set(listTargets);
  60         btn_tanque->drag_source_set(listTargets);
  61         btn_bomba->drag_source_set(listTargets);
  62         btn_drain->drag_source_set(listTargets);
  63         btn_exclusa->drag_source_set(listTargets);
  64         btn_and->drag_source_set(listTargets);
  65         btn_or->drag_source_set(listTargets);
  66         btn_not->drag_source_set(listTargets);
  67
  68         btn_canio->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_canio_drag_get));
  69         btn_bomba->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_bomba_drag_get));
  70         btn_exclusa->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_exclusa_drag_get));
  71         btn_y->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_y_drag_get));
  72         btn_codo->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_codo_drag_get));
  73         btn_tanque->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_tanque_drag_get));
  74         btn_drain->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_drain_drag_get));
  75         btn_and->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_and_drag_get));
  76         btn_or->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_or_drag_get));
  77         btn_not->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_not_drag_get));
  78         btn_check->signal_clicked().connect(SigC::slot(*this,&Constructor::on_btn_check_clicked));
  79         btn_dlg_close->signal_clicked().connect(SigC::slot(*this,&Constructor::on_btn_dlg_connect_clicked));
  80         chk_btn_logica->signal_clicked().connect(SigC::slot(*this, &Constructor::on_chk_btn_clicked));
  81         quick_btn_new->signal_clicked().connect(SigC::slot(*this, &Constructor::on_quick_btn_new_clicked));
  82         quick_btn_save->signal_clicked().connect(SigC::slot(*this, &Constructor::on_quick_btn_save_clicked));
  83         quick_btn_open->signal_clicked().connect(SigC::slot(*this, &Constructor::on_main_menu_open));
  84
  85         main_menu_quit->signal_activate().connect(SigC::slot(*this, &Constructor::on_main_menu_quit));
  86         main_menu_new->signal_activate().connect(SigC::slot(*this, &Constructor::on_quick_btn_new_clicked));
  87         main_menu_open->signal_activate().connect(SigC::slot(*this, &Constructor::on_main_menu_open));
  88         main_menu_save->signal_activate().connect(SigC::slot(*this, &Constructor::on_main_menu_save));
  89         edit_menu_del->signal_activate().connect(SigC::slot(*this,&Constructor::on_edit_menu_del));
  90         edit_menu_delete_all->signal_activate().connect(SigC::slot(*this,&Constructor::on_quick_btn_delete_all_clicked));
  91
  92         btn_file_cancel = file_selection->get_cancel_button();
  93         btn_file_ok = file_selection->get_ok_button();
  94         btn_file_ok->signal_clicked().connect(SigC::slot(*this,&Constructor::on_btn_file_ok_clicked));
  95         btn_file_cancel->signal_clicked().connect(SigC::slot(*this,&Constructor::on_btn_file_cancel_clicked));
  96
  97         btn_open_cancel = file_open_selection->get_cancel_button();
  98         btn_open_ok = file_open_selection->get_ok_button();
  99         btn_open_ok->signal_clicked().connect(SigC::slot(*this,&Constructor::on_load_from_xml));
 100         btn_open_cancel->signal_clicked().connect(SigC::slot(*this,&Constructor::on_btn_open_cancel_clicked));
 101
 102         // Señales para cambiar el icono cuando empieza el drag.
 103         btn_canio->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_canio_drag_begin));
 104         btn_y->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_y_drag_begin));
 105         btn_codo->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_codo_drag_begin));
 106         btn_tanque->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_tanque_drag_begin));
 107         btn_bomba->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_bomba_drag_begin));
 108         btn_exclusa->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_exclusa_drag_begin));
 109         btn_drain->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_drain_drag_begin));
 110         btn_and->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_and_drag_begin));
 111         btn_or->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_or_drag_begin));
 112         btn_not->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_not_drag_begin));
 113         workplace->drag_dest_set(listTargets);
 114         workplace->signal_drag_data_received().connect( SigC::slot(*this, &Constructor::on_item_drop_drag_received) );
 115         workplace->listaItems = &listaItems;
 116         workplace->lista_logic_Items = &lista_logic_Items;
 117         logica = false;
 118 }
 119
 120 Constructor::~Constructor()
 121 {
 122         Constructor::on_edit_menu_delete_all();
 123 }
 124
 125 void Constructor::on_btn_canio_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 126 {
 127         gtk_selection_data_set (selection_data, selection_data->target, 8, (const guchar*)"canio_n.png", 12);
 128 }
 129
 130 void Constructor::on_btn_y_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 131 {
 132         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"y_n.png",8);
 133 }
 134
 135 void Constructor::on_btn_codo_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 136 {
 137         gtk_selection_data_set(selection_data, selection_data->target, 8 ,(const guchar*)"codo_o.png",10);
 138 }
 139
 140 void Constructor::on_btn_tanque_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 141 {
 142         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"tanque_e.png",12);
 143 }
 144
 145 void Constructor::on_btn_bomba_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 146 {
 147         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"bomba_e.png",11);
 148 }
 149
 150 void Constructor::on_btn_exclusa_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 151 {
 152         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"exclusa_h.png",13);
 153 }
 154
 155 void Constructor::on_btn_drain_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 156 {
 157         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"drain_n.png",11);
 158 }
 159
 160 void Constructor::on_btn_and_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 161 {
 162         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"and_e.png",9);
 163 }
 164
 165 void Constructor::on_btn_or_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 166 {
 167         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"or_e.png",8);
 168 }
 169
 170 void Constructor::on_btn_not_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 171 {
 172         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"not_e.png",9);
 173 }
 174
 175
 176 void Constructor::on_main_menu_quit()
 177 {
 178         delete this;
 179         Gtk::Main::quit();
 180         //hide();
 181 }
 182
 183 void Constructor::on_main_menu_open()
 184 {
 185         // Conecto el boton OK para llamar al cargar del XML
 186         file_open_selection->show();
 187 }
 188
 189 void Constructor::on_main_menu_save()
 190 {
 191         // Conecto el boton OK para llamar al salvar
 192         file_selection->show();
 193 }
 194
 195 void Constructor::on_edit_menu_del()
 196 {
 197         workplace->delete_item(WorkPlace::pointed);
 198 }
 199
 200 void Constructor::on_edit_menu_delete_all()
 201 {
 202         std::list<CItem *>::iterator i = listaItems.begin();
 203         while ( i != listaItems.end() ) {
 204                 (*i)->workplace->delete_item((*i)->get_id());
 205                 i = listaItems.begin();
 206         }
 207         i = lista_logic_Items.begin();
 208         while ( i != lista_logic_Items.end() ) {
 209                 (*i)->workplace->delete_item((*i)->get_id());
 210                 i=lista_logic_Items.begin();
 211         }
 212         id = 0;
 213 }
 214
 215 void Constructor::on_chk_btn_clicked()
 216 {
 217         logica = !logica;
 218         CItem::logic_connect = !CItem::logic_connect;
 219 }
 220
 221 void Constructor::on_load_from_xml()
 222 {
 223         on_edit_menu_delete_all();
 224         file_name = file_open_selection->get_filename();
 225
 226         /* Parseo de ejemplo de un XML desde archivo */
 227         xmlDocPtr document;
 228         document = xmlParseFile(file_name.c_str());
 229         if (document == NULL) {
 230                 // TODO : dar un aviso de que no se pudo abrir el archivo!!
 231                 return;
 232         }
 233
 234         /* bien, el archivo se parseo bien! */
 235         xmlNodePtr nodo, items;
 236         nodo = document->children;
 237
 238         // Recorro los items
 239         CItem *current;
 240         if (strcmp((char *)nodo->name, "planta") == 0) {
 241                 items = nodo->children;
 242                 while (items != NULL) {
 243                         current = NULL;
 244                         if (items->type == XML_ELEMENT_NODE) {
 245                                 std::cout << "ITEM" << std::endl;
 246                                 if (xmlStrcmp(items->name, BAD_CAST"bomba")==0) {
 247                                         current = loadBomba(items);
 248                                 } else if (xmlStrcmp(items->name, BAD_CAST"tubo")==0) {
 249                                         current = loadConduct(items);
 250                                 } else if (xmlStrcmp(items->name, BAD_CAST"codo")==0) {
 251                                         current = loadCodo(items);
 252                                 } else if (xmlStrcmp(items->name, BAD_CAST"exclusa")==0) {
 253                                         current = loadExclusa(items);
 254                                 } else if (xmlStrcmp(items->name, BAD_CAST"tanque")==0) {
 255                                         current = loadTank(items);
 256                                 } else if (xmlStrcmp(items->name, BAD_CAST"empalme")==0) {
 257                                         current = loadUnion(items);
 258                                 } else if (xmlStrcmp(items->name, BAD_CAST"drenaje")==0) {
 259                                         current = loadDrain(items);
 260                                 }
 261
 262                                 if (current != NULL) {
 263                                         // Agrego y conecto la bomba
 264                                         listaItems.push_back(current);
 265                                         current->drag_source_set(listTargets);
 266                                         workplace->put(*current, current->get_position_x(), current->get_position_y());
 267                                         //Apunto al workplace
 268                                         current->workplace= workplace;
 269                                         //Apunto a la lista.
 270                                         current->combo_entry = combo_entry;
 271                                         //Apunto a la listaItems.
 272                                         current->listaItems = &listaItems;
 273                                         //Apunto a la lista de items logicos
 274                                         current->lista_logic_Items = &lista_logic_Items;
 275                                         // Conecto las señales
 276                                         current->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_item_drag_data_get));
 277                                         current->signal_drag_begin().connect(SigC::bind( SigC::slot(*this, &Constructor::on_item_drag_begin), current));
 278                                         current->show();
 279                                 }
 280                         }
 281                         items = items->next;
 282                 }
 283         } else {
 284                 // TODO : avisar que el XML no es valido!!
 285         }
 286         std::cout << "CARGA COMPLETA" << std::endl;
 287         file_open_selection->hide();
 288         id = listaItems.size()+lista_logic_Items.size()+1;
 289 }
 290
 291 void Constructor::on_btn_file_ok_clicked()
 292 {
 293         std::list<CItem *>::iterator i = listaItems.begin();
 294         file_name = file_selection->get_filename();
 295         Glib::ustring name;
 296         if ( ! check_connection(name) ) {
 297                 dlg_connect->set_title("Error");
 298                 dlg_label->set_text("El elemento "+name+" no esta conectado\n\t\tcorrectamente");
 299                 dlg_connect->show();
 300         } else {
 301                 if ( (archivo = fopen( file_name.c_str(), "w+")) != NULL ){
 302                         fprintf(archivo, "<?xml version=\"1.0\" encoding=\"iso-8859-1\" ?>\n");
 303                         fprintf (archivo,"<planta>\n");
 304                         while ( i != listaItems.end() ){
 305                                 (*i)->save(archivo);
 306                                 i++;
 307                         }
 308                         i = lista_logic_Items.begin();
 309                         while ( i != lista_logic_Items.end() ) {
 310                                 (*i)->save(archivo);
 311                                 i++;
 312                         }
 313                         fprintf(archivo,"</planta>\n");
 314                         saved = true;
 315                         fclose(archivo);
 316                 } else
 317                         std::cout<<"NO SE ABRIO EL ARCHIVO"<<std::endl;
 318         }
 319         file_selection->hide();
 320 }
 321
 322 void Constructor::on_quick_btn_save_clicked()
 323 {
 324         if ( ! saved ) {
 325                 on_main_menu_save();
 326         } else {
 327                 on_btn_file_ok_clicked();
 328         }
 329 }
 330
 331 void Constructor::on_quick_btn_new_clicked()
 332 {
 333         on_quick_btn_delete_all_clicked();
 334         saved = false;
 335 }
 336
 337 void Constructor::on_quick_btn_delete_all_clicked()
 338 {
 339         std::list<CItem *>::iterator i = listaItems.begin();
 340         while ( i != listaItems.end() ){
 341                 CItem *temp = *i;
 342                 listaItems.erase(i);
 343                 delete temp;
 344                 i = listaItems.begin();
 345         }
 346         i = lista_logic_Items.begin();
 347         while ( i != lista_logic_Items.end() ){
 348                 CItem *temp2 = *i;
 349                 lista_logic_Items.erase(i);
 350                 delete temp2;
 351                 i = lista_logic_Items.begin();
 352         }
 353         id = 0;
 354 }
 355
 356 void Constructor::on_btn_file_cancel_clicked()
 357 {
 358         file_selection->hide();
 359 }
 360
 361 void Constructor::on_btn_open_cancel_clicked()
 362 {
 363         file_open_selection->hide();
 364 }
 365
 366 void Constructor::on_btn_dlg_connect_clicked()
 367 {
 368         dlg_connect->hide();
 369 }
 370
 371 void Constructor::on_canio_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 372 {
 373         context->set_icon(ico_canio, 5, 5);
 374 }
 375
 376 void Constructor::on_y_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 377 {
 378         context->set_icon(ico_y, 5, 5);
 379 }
 380
 381 void Constructor::on_codo_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 382 {
 383         context->set_icon(ico_codo, 5, 5);
 384 }
 385
 386 void Constructor::on_tanque_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 387 {
 388         context->set_icon(ico_tanque, 5, 5);
 389 }
 390
 391 void Constructor::on_bomba_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 392 {
 393         context->set_icon(ico_bomba, 5, 5);
 394 }
 395
 396 void Constructor::on_exclusa_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 397 {
 398         context->set_icon(ico_exclusa, 5, 5);
 399 }
 400
 401 void Constructor::on_drain_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 402 {
 403         context->set_icon(ico_drain, 5, 5);
 404 }
 405
 406 void Constructor::on_and_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 407 {
 408         context->set_icon(ico_and, 5, 5);
 409 }
 410
 411 void Constructor::on_or_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 412 {
 413         context->set_icon(ico_or, 5, 5);
 414 }
 415
 416 void Constructor::on_not_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 417 {
 418         context->set_icon(ico_not, 5, 5);
 419 }
 420
 421 void Constructor::on_item_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context, CItem *item)
 422 {
 423         context->set_icon(item->get_image(), 5, 5);
 424 }
 425
 426 void Constructor::on_item_drag_data_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 427 {
 428         gtk_selection_data_set (selection_data, selection_data->target, 10, (const guchar*)"item_codo.png", 13);
 429 }
 430
 431 bool Constructor::can_drop(CItem *item, int _x, int _y)
 432 {
 433         std::list<CItem*>::iterator  i = listaItems.begin();
 434         while( i != listaItems.end() ) {
 435                 CItem *temp = *i;
 436                 if ( temp->get_id() != item->get_id()   ) {
 437                         if (  (temp->is_occupied_area(_x, _y))  ||
 438                                 ( temp->is_occupied_area(_x+item->get_image()->get_width()-1, _y+item->get_image()->get_height()-1))  ||
 439                                 ( temp->is_occupied_area(_x, _y+item->get_image()->get_height()-1)) ||
 440                                 ( temp->is_occupied_area(_x+item->get_image()->get_width()-1, _y) ) )
 441                                 return false;
 442                         else i++;
 443                 }
 444                 else i++;
 445         }
 446         return true;
 447 }
 448
 449 void Constructor::on_item_drop_drag_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, GtkSelectionData* selection_data, guint info, guint time)
 450 {
 451         workplace->update_logic_position();
 452         workplace->queue_draw();
 453         if ( !logica ) {
 454                 /* Ajusto coordenada x e y para que caigan en un lugar de una cuadricula de 32x32 */
 455                 int i,j;
 456                 // el +1 es para evitar un bug cuando se selecciona muy cerce de la
 457                 // separacion de 2 cuadritos
 458                 i = (x+1)/32;
 459                 j = (y+1)/32;
 460                 // El drag es de un item
 461                 if (selection_data->format == 10) {
 462                         if (can_drop(((CItem*)drag_get_source_widget(context)),i*32, j*32)){
 463                                 ((CItem*)drag_get_source_widget(context))->set_position(i*32, j*32);
 464                                 workplace->move(*drag_get_source_widget(context), i*32, j*32);
 465                         }
 466                 }
 467
 468                 // El Drag es desde la barra de tareas
 469                 if ((selection_data->length >= 0) && (selection_data->format == 8))     {
 470                         CItem *a;
 471                         if (strcmp((const char *)selection_data->data, "codo_o.png")==0)
 472                         a = new Splitter();
 473                         else    if (strcmp((const char *)selection_data->data, "canio_n.png")==0)
 474                         a = new Conduct();
 475                         else if (strcmp((const char *)selection_data->data, "y_n.png")==0)
 476                         a = new Union();
 477                         else if (strcmp((const char *)selection_data->data, "tanque_e.png")==0)
 478                         a = new Cistern();
 479                         else if (strcmp((const char *)selection_data->data, "bomba_e.png")==0)
 480                         a =new Pump();
 481                         else if (strcmp((const char *)selection_data->data, "exclusa_h.png")==0)
 482                         a = new Exclusa();
 483                         else if (strcmp((const char *)selection_data->data, "drain_n.png")==0)
 484                         a = new Drain();
 485                         else if (strcmp((const char *)selection_data->data, "and_e.png")==0){
 486                         a = new And(); a->is_logic = true;
 487                         } else if (strcmp((const char *)selection_data->data, "or_e.png")==0) {
 488                                 a = new Or(); a->is_logic = true;
 489                                 } else if (strcmp((const char *)selection_data->data, "not_e.png")==0) {
 490                                         a = new Not(); a->is_logic = true;
 491                                         }
 492
 493                         char char_id[10];
 494                         sprintf(char_id,"%d",id);
 495                         a->set_id(id++);
 496                         a->set_name( a->get_name()+char_id );
 497                         if ( can_drop(a, i*32, j*32) ) {
 498                                 workplace->put(*a, i*32, j*32);
 499                                 //Apunto al workplace
 500                                 a->workplace= workplace;
 501                                 //Apunto a la lista.
 502                                 a->combo_entry = combo_entry;
 503                                 //Apunto a la listaItems.
 504                                 a->listaItems = &listaItems;
 505                                 //Apunto a la lista de items logicos
 506                                 a->lista_logic_Items = &lista_logic_Items;
 507                                 //Seteo la posicion del item
 508                                 a->set_position(i*32,j*32);
 509                                 // Seteo la lista de tipos de drags
 510                                 a->drag_source_set(listTargets);
 511                                 // Conecto las señales
 512                                 a->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_item_drag_data_get));
 513                                 // Utilizo el SigC::bind para que el callback on_drag_begin acepte un
 514                                 // parametro extra, en este caso un CItem *. Esto se hace para
 515                                 // que cuando el usuario quiera mover un item, saber que item es
 516                                 // y pedirle su ícono para mostrar cono icono durante la operacion,
 517                                 // Esto va a permitir, que si un widget tiene una imagen rotara o algo
 518                                 // raro se vea el widget tal cual.
 519                                 a->signal_drag_begin().connect(SigC::bind( SigC::slot(*this, &Constructor::on_item_drag_begin), a));
 520                                 a->show();
 521                                 if (! a->is_logic )
 522                                         listaItems.push_back(a);
 523                                 else
 524                                         lista_logic_Items.push_back(a);
 525                         } else {
 526                                         id--;
 527                                         delete a;
 528                                 }
 529                 }
 530                 context->drag_finish(false, false, time);
 531         }
 532         workplace->update_logic_position();
 533         workplace->queue_draw();
 534 }
 535
 536 void Constructor::on_btn_check_clicked()
 537 {
 538         Glib::ustring name;
 539         if ( ! check_connection(name) ) {
 540                 dlg_connect->set_title("Error");
 541                 dlg_label->set_text("El elemento "+name+" no esta conectado\n\t\tcorrectamente");
 542                 dlg_connect->show();
 543         } else {
 544                 dlg_connect->set_title("Conexion");
 545                 dlg_label->set_text("Los elementos estan conectados\n\t\tcorrectamente");
 546                 dlg_connect->show();
 547         }
 548 }
 549
 550
 551 bool Constructor::check_connection(Glib::ustring& name)
 552 {
 553         std::list<CItem *>::iterator i = listaItems.begin();
 554         while ( i != listaItems.end() ){
 555                 (*i)->set_default_connector();
 556                 (*i)->is_connected = false;
 557                 i++;
 558         }
 559         i = listaItems.begin();
 560         if ( !listaItems.empty() ) {
 561                 while ( i != listaItems.end() ) {
 562                         CItem *temp = *i;
 563                         std::cout<< "item="<<temp->get_name()<<" "<<"check= "<<temp->check_connection()<<std::endl;
 564                         if ( !temp->check_connection() ) {
 565                                 name = temp->get_name();
 566                                 return false;
 567                         }
 568                 i++;
 569                 }
 570         }
 571         std::cout<<"check_connection logic"<<std::endl;
 572         std::list<CItem *>::iterator j = lista_logic_Items.begin();
 573         while ( j != lista_logic_Items.end() ) {
 574                 if ( !(*j)->check_connection() ) {
 575                         name = (*j)->get_name();
 576                         return false;
 577                 }
 578                 j++;
 579         }
 580         return true;
 581 }
 582
 583 Pump *Constructor::loadBomba(xmlNodePtr nodo)
 584 {
 585         std::string name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
 586         std::string id = (char *)xmlGetProp(nodo, BAD_CAST"id");
 587         int orientacion=0, x, y;
 588         float flujo;
 589
 590         nodo = nodo->children;
 591         while (nodo != NULL) {
 592                 if (nodo->type == XML_ELEMENT_NODE) {
 593                         if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
 594                                 orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 595                         } else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
 596                                 x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 597                         } else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
 598                                 y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 599                         } else if (xmlStrcmp(nodo->name, BAD_CAST"entrega") == 0) {
 600                                 flujo = atof( (char *)XML_GET_CONTENT(nodo->children) );
 601                         } else if (xmlStrcmp(nodo->name, BAD_CAST"color") == 0) {
 602                                 // FIXME !
 603                         }
 604                 }
 605                 nodo = nodo->next;
 606         }
 607
 608         Pump *p = new Pump(orientacion);
 609         p->set_position(x,y);
 610         p->set_entrega(flujo);
 611         p->set_id( atoi(id.c_str()) );
 612         p->set_name(name);
 613
 614         return p;
 615 }
 616
 617 Conduct *Constructor::loadConduct(xmlNodePtr nodo)
 618 {
 619         std::string name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
 620         std::string id = (char *)xmlGetProp(nodo, BAD_CAST"id");
 621         int orientacion=0, x, y;
 622         float flujo;
 623
 624         nodo = nodo->children;
 625         while (nodo != NULL) {
 626                 if (nodo->type == XML_ELEMENT_NODE) {
 627                         if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
 628                                 orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 629                         } else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
 630                                 x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 631                         } else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
 632                                 y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 633                         } else if (xmlStrcmp(nodo->name, BAD_CAST"caudal") == 0) {
 634                                 flujo = atof( (char *)XML_GET_CONTENT(nodo->children) );
 635                         }
 636                 }
 637                 nodo = nodo->next;
 638         }
 639
 640         Conduct *p = new Conduct(orientacion);
 641         p->set_position(x,y);
 642         p->set_caudal(flujo);
 643         p->set_id( atoi(id.c_str()) );
 644         p->set_name(name);
 645
 646         return p;
 647 }
 648
 649 Exclusa *Constructor::loadExclusa(xmlNodePtr nodo)
 650 {
 651         std::string name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
 652         std::string id = (char *)xmlGetProp(nodo, BAD_CAST"id");
 653         std::string estado;
 654         int orientacion=0, x, y;
 655         float flujo;
 656
 657         nodo = nodo->children;
 658         while (nodo != NULL) {
 659                 if (nodo->type == XML_ELEMENT_NODE) {
 660                         if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
 661                                 orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 662                         } else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
 663                                 x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 664                         } else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
 665                                 y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 666                         } else if (xmlStrcmp(nodo->name, BAD_CAST"estado") == 0) {
 667                                 estado = (char *)XML_GET_CONTENT(nodo->children);
 668                         }
 669                 }
 670                 nodo = nodo->next;
 671         }
 672
 673         Exclusa *p = new Exclusa(orientacion);
 674         p->set_position(x,y);
 675         p->set_id( atoi(id.c_str()) );
 676         p->set_name(name);
 677         p->set_estado( estado == "1" );
 678
 679         return p;
 680 }
 681
 682 Cistern *Constructor::loadTank(xmlNodePtr nodo)
 683 {
 684         std::string name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
 685         std::string id = (char *)xmlGetProp(nodo, BAD_CAST"id");
 686         int orientacion=0, x, y;
 687         float liquido,capacidad;
 688
 689         nodo = nodo->children;
 690         while (nodo != NULL) {
 691                 if (nodo->type == XML_ELEMENT_NODE) {
 692                         if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
 693                                 orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 694                         } else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
 695                                 x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 696                         } else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
 697                                 y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 698                         } else if (xmlStrcmp(nodo->name, BAD_CAST"capacidad") == 0) {
 699                                 capacidad = atof ((char *)XML_GET_CONTENT(nodo->children) );
 700                         } else if (xmlStrcmp(nodo->name, BAD_CAST"inicial") == 0) {
 701                                 liquido = atof ((char *)XML_GET_CONTENT(nodo->children) );
 702                         }
 703                 }
 704                 nodo = nodo->next;
 705         }
 706
 707         Cistern *p = new Cistern(orientacion);
 708         p->set_position(x,y);
 709         p->set_id( atoi(id.c_str()) );
 710         p->set_name(name);
 711         p->set_capacidad(capacidad);
 712         p->set_contenido_inicial(liquido);
 713
 714         return p;
 715 }
 716
 717 Union *Constructor::loadUnion(xmlNodePtr nodo)
 718 {
 719         std::string name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
 720         std::string id = (char *)xmlGetProp(nodo, BAD_CAST"id");
 721         std::string tipo;
 722         int orientacion=0, x, y;
 723         float caudal;
 724
 725         nodo = nodo->children;
 726         while (nodo != NULL) {
 727                 if (nodo->type == XML_ELEMENT_NODE) {
 728                         if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
 729                                 orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 730                         } else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
 731                                 x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 732                         } else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
 733                                 y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 734                         } else if (xmlStrcmp(nodo->name, BAD_CAST"caudal") == 0) {
 735                                 caudal = atof ((char *)XML_GET_CONTENT(nodo->children) );
 736                         } else if (xmlStrcmp(nodo->name, BAD_CAST"tipo") == 0) {
 737                                 tipo = (char *)XML_GET_CONTENT(nodo->children);
 738                         }
 739                 }
 740                 nodo = nodo->next;
 741         }
 742
 743         Union *p = new Union(orientacion);
 744         p->set_position(x,y);
 745         p->set_id( atoi(id.c_str()) );
 746         p->set_name(name);
 747         p->set_caudal(caudal);
 748         p->is_union = (tipo == "union");
 749
 750         return p;
 751 }
 752
 753 Drain *Constructor::loadDrain(xmlNodePtr nodo)
 754 {
 755         std::string name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
 756         std::string id = (char *)xmlGetProp(nodo, BAD_CAST"id");
 757         int orientacion=0, x, y;
 758
 759         nodo = nodo->children;
 760         while (nodo != NULL) {
 761                 if (nodo->type == XML_ELEMENT_NODE) {
 762                         if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
 763                                 orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 764                         } else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
 765                                 x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 766                         } else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
 767                                 y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 768                         }
 769                 }
 770                 nodo = nodo->next;
 771         }
 772
 773         Drain *p = new Drain(orientacion);
 774         p->set_position(x,y);
 775         p->set_id( atoi(id.c_str()) );
 776         p->set_name(name);
 777
 778         return p;
 779 }
 780
 781 Splitter *Constructor::loadCodo(xmlNodePtr nodo)
 782 {
 783         std::string name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
 784         std::string id = (char *)xmlGetProp(nodo, BAD_CAST"id");
 785         int orientacion=0, x, y;
 786         float caudal;
 787
 788         nodo = nodo->children;
 789         while (nodo != NULL) {
 790                 if (nodo->type == XML_ELEMENT_NODE) {
 791                         if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
 792                                 orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 793                         } else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
 794                                 x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 795                         } else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
 796                                 y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
 797                         } else if (xmlStrcmp(nodo->name, BAD_CAST"caudal") == 0) {
 798                                 caudal = atof( (char *)XML_GET_CONTENT(nodo->children) );
 799                         }
 800                 }
 801                 nodo = nodo->next;
 802         }
 803
 804         Splitter *p = new Splitter(orientacion);
 805         p->set_position(x,y);
 806         p->set_id( atoi(id.c_str()) );
 807         p->set_name(name);
 808         p->set_caudal(caudal);
 809
 810         return p;
 811 }