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