X-Git-Url: https://git.llucax.com/z.facultad/75.42/plaqui.git/blobdiff_plain/a9318661e45dfb9853c6aba811670571a5ec3ea2..325f784cbf310091cb5749842a52cf7e1ad64b1b:/Client/src/principal.cpp

diff --git a/Client/src/principal.cpp b/Client/src/principal.cpp
index e88c896..0b59c0b 100644
--- a/Client/src/principal.cpp
+++ b/Client/src/principal.cpp
@@ -1,57 +1,97 @@
 
-
-
 #include "principal.h"
 #include <iostream>
+#include <sstream>
+#include <string>
+#include "plaqui/server/string.h"
+#include "item_codo.h"
+#include "item_conduct.h"
+#include "item_exclusa.h"
+#include "item_tank.h"
+#include "item_pump.h"
+#include "item_union.h"
+#include "item_drain.h"
+#include <unistd.h>
 
 Principal::Principal(BaseObjectType *co, const Glib::RefPtr<Gnome::Glade::Xml> &rg):Gtk::Window(co),refXml(rg)
 {
-	Gtk::MenuItem *conect=0, *exit=0, *about=0;
-	Gtk::Button *btn_get=0;
+	Gtk::MenuItem *conect=0, *exit=0, *about=0, *mnu_prop=0, *mnu_disconnect=0;
+	Gtk::Button *btn_get=0, *bar_connect=0;
 	txt_view = 0;
-	txt_get = 0;
-	
+	txt_target = txt_command = txt_args = 0;
+	work_place = 0;
+	lbl_cap_flujo = lbl_cap_extra = lbl_extra = lbl_nombre = lbl_color = lbl_flujo = 0;
+
+	rg->get_widget("btn_activar", btn_activar);
+	rg->get_widget("color_preview", color_preview);
+	rg->get_widget("lbl_nombre", lbl_nombre);
+	rg->get_widget("lbl_extra", lbl_extra);
+	rg->get_widget("lbl_cap_extra", lbl_cap_extra);
+	rg->get_widget("lbl_cap_flujo", lbl_cap_flujo);
+	rg->get_widget("lbl_flujo", lbl_flujo);
 	rg->get_widget("mnu_file_connect", conect);
+	rg->get_widget("mnu_file_disconnect", mnu_disconnect);
 	rg->get_widget("mnu_file_exit", exit);
 	rg->get_widget("mnu_help_about", about);
+	rg->get_widget("mnu_prop", mnu_prop);
 	rg->get_widget_derived("dlgConectar", dlg_conectar);
 	rg->get_widget("btn_get", btn_get);
 	rg->get_widget("txt_view", txt_view);
-	rg->get_widget("txt_uri", txt_get);
+	rg->get_widget("txt_target", txt_target);
+	rg->get_widget("txt_command", txt_command);
+	rg->get_widget("txt_args", txt_args);
+	rg->get_widget("bar_connect", bar_connect);
+	rg->get_widget("work_place", work_place);
+	rg->get_widget("ico_conected", ico_conected);
 
 	dlg_conectar->get_ok_button()->signal_clicked().connect( SigC::slot(*this, &Principal::on_dlg_connect_ok) );
+	mnu_disconnect->signal_activate().connect( SigC::slot(*this, &Principal::on_mnu_file_disconnect));
 	conect->signal_activate().connect( SigC::slot(*this, &Principal::on_mnu_file_connect));
+	bar_connect->signal_clicked().connect( SigC::slot(*this, &Principal::on_mnu_file_connect));
 	exit->signal_activate().connect( SigC::slot(*this, &Principal::on_mnu_file_exit));
 	about->signal_activate().connect( SigC::slot(*this, &Principal::on_mnu_help_about));
 	btn_get->signal_clicked().connect( SigC::slot(*this, &Principal::on_get_clicked) );
+	btn_activar->signal_clicked().connect( SigC::slot(*this, &Principal::on_btn_activar_clicked) );
 
 	conexion = NULL;
+	is_xml_loaded = false;
+	last_selected = NULL;
+	update_ui.connect( SigC::slot(*this, &Principal::update_items_prop ) );
+	load_xml_dispatch.connect( SigC::slot(*this, &Principal::loadXML ) );
 }
 
 Principal::~Principal()
 {
-	delete conexion;
+	if (conexion != NULL)
+		delete conexion;
 }
 
 void Principal::on_dlg_connect_ok()
 {
 	if (conexion == NULL) {
-		std::cout << "Conectando ..." << std::endl;
 		// Creo la conexion
-		conexion = new PlaQui::Server::ControlClient(dlg_conectar->get_server_name(), dlg_conectar->get_server_port());
+		try {
+			conexion = new PlaQui::Server::ControlClient(dlg_conectar->get_server_name(), dlg_conectar->get_server_port());
+		}
+		catch (...) {
+			txt_view->get_buffer()->insert_at_cursor("NO SE PUDO CREAR OBJETO\n");
+			delete conexion;
+			conexion == NULL;
+			return;
+		}
+
 		// Conecto las señales
 		conexion->signal_ok_received().connect( SigC::slot(*this, &Principal::on_conexion_ok) );
 		conexion->signal_error_received().connect( SigC::slot(*this, &Principal::on_conexion_error) );
+		conexion->signal_connected().connect( SigC::slot(*this, &Principal::on_conexion_connected) );
+		conexion->signal_finished().connect( SigC::slot(*this, &Principal::on_conexion_finished) );
+		conexion->signal_frame_received().connect(SigC::slot(*this, &Principal::on_conexion_frame));
 		// Lanzo la conexion!
 		conexion->run();
 	} else {
-		std::cout << "Ya estas conectado" << std::endl;
+		txt_view->get_buffer()->insert_at_cursor("YA ESTAS CONECTADO\n");
 	}
 	dlg_conectar->hide();
-
-	// mando algo para ver que me dice
-	PlaQui::Server::Command command("/", "status");
-	conexion->send(command);
 }
 
 void Principal::on_mnu_file_exit()
@@ -59,6 +99,33 @@ void Principal::on_mnu_file_exit()
 	Gtk::Main::quit();
 }
 
+void Principal::on_btn_activar_clicked()
+{
+	if ((conexion == NULL) || (last_selected == NULL)) return;
+
+	PlaQui::Server::Command c("plant", "set");
+	c.add_arg("default");
+	c.add_arg(last_selected->get_name());
+	c.add_arg("open");
+	
+	if (last_selected->get_open())
+		c.add_arg("false");
+	else
+		c.add_arg("true");
+
+	conexion->send(c);
+}
+
+void Principal::on_mnu_file_disconnect()
+{
+	if (conexion == NULL) return;
+
+	PlaQui::Server::Command c("connection", "stop");
+	c.add_arg(conexion->get_host());
+	c.add_arg("7522");
+	conexion->send(c);
+}
+
 void Principal::on_mnu_file_connect()
 {
 	dlg_conectar->show();
@@ -96,28 +163,469 @@ void Principal::on_mnu_help_about()
 	dlg->show();*/
 }
 
-void Principal::on_conexion_ok()
+bool Principal::on_item_clicked(GdkEventButton *e, ViewItem *i)
 {
-	txt_view->get_buffer()->insert_at_cursor("El server dice que ta' todo ok!\n");
+	
+	txt_view->get_buffer()->insert_at_cursor("Selecciono ");
+	txt_view->get_buffer()->insert_at_cursor(i->get_name());
+	txt_view->get_buffer()->insert_at_cursor("\n");
+
+	last_selected = i;
+	update_items_prop();
 }
 
-void Principal::on_conexion_error()
+void Principal::update_items_prop()
 {
-	txt_view->get_buffer()->insert_at_cursor("El server dice que hay error\n");
+	if (last_selected == NULL) return;
+
+	lbl_nombre->set_text(last_selected->get_name());
+	lbl_flujo->set_text(last_selected->get_actual_flow());
+	lbl_extra->set_text(last_selected->get_extra());
+
+	lbl_cap_flujo->set_text(last_selected->get_cap_flow());
+	lbl_cap_extra->set_text(last_selected->get_cap_extra());
+
+	color_preview->modify_bg(Gtk::STATE_NORMAL, last_selected->get_color());
+	color_preview->queue_draw();
+}
+
+void Principal::on_conexion_connected()
+{
+	txt_view->get_buffer()->insert_at_cursor("CONNECTED\n");
+	ico_conected->set( Gtk::Stock::YES , Gtk::IconSize(Gtk::ICON_SIZE_LARGE_TOOLBAR));
+
+	// Pido la planta por defecto
+	if (conexion != NULL) {
+		PlaQui::Server::Command c("plant", "get");
+		c.add_arg("default");
+		conexion->send(c);
+	}
+}
+
+void Principal::on_conexion_frame(const std::string &frame)
+{
+	if (conexion != NULL) {
+		read_status_xml(frame);
+	}
+}
+
+void Principal::on_conexion_finished()
+{
+	txt_view->get_buffer()->insert_at_cursor("HANG UP\n");
+	ico_conected->set( Gtk::Stock::NO , Gtk::IconSize(Gtk::ICON_SIZE_LARGE_TOOLBAR));
+	conexion = NULL;
+}
+
+void Principal::on_conexion_ok(const std::string &body)
+{
+	/* lo paso a la carga del XML */
+	/* verifico que body este completo */
+	if ((body.find("</planta>")>0) && (body.find("<planta>")>0)) {
+		//loadXML(body);
+		xml_body = body;
+		load_xml_dispatch();
+	} else {
+		std::cout << body << std::endl;
+		txt_view->get_buffer()->insert_at_cursor("<IN>\n");
+		txt_view->get_buffer()->insert_at_cursor(Glib::locale_to_utf8(body));
+		txt_view->get_buffer()->insert_at_cursor("</IN>\n");
+	}
+}
+
+void Principal::on_conexion_error(unsigned code)
+{
+	std::stringstream a;
+	std::string s;
+	a << code;
+	a >> s;
+	txt_view->get_buffer()->insert_at_cursor("El server dice que hay error : ");
+	txt_view->get_buffer()->insert_at_cursor(s);
+	txt_view->get_buffer()->insert_at_cursor("\n");
 }
 
 void Principal::on_get_clicked()
 {
 	if (conexion == NULL) {
 		txt_view->get_buffer()->insert_at_cursor("SIN CONEXION\n");
+		return;
+	}
+	
+	PlaQui::Server::Command command(txt_target->get_text(), txt_command->get_text());
+	command.add_arg( txt_args->get_text() );
+	txt_view->get_buffer()->insert_at_cursor("Enviando comando\n");
+	try {
+		conexion->send(command);
+	}
+	catch (...) {
+		txt_view->get_buffer()->insert_at_cursor("EXCEPTION EN conexion->send !!\n");
 	}
 
-	txt_view->get_buffer()->insert_at_cursor("Enviada URI : ");
-	txt_view->get_buffer()->insert_at_cursor(txt_get->get_text());
-	txt_view->get_buffer()->insert_at_cursor("\n");
+}
+
+void Principal::loadXML()
+{
+	// ya lo cargue
+	if (is_xml_loaded) return;
+
+	/* Parseo de ejemplo de un XML desde archivo */
+	xmlDocPtr document;
+	document = xmlParseMemory(xml_body.c_str(),xml_body.size());
+	if (document == NULL) {
+		std::cout << "EEERRRRRRROOOOOOOOOO" << std::endl;
+		return;
+	}
+	is_xml_loaded = true;
+	/* bien, el archivo se parseo bien! */
+	xmlNodePtr nodo, items;
+	nodo = document->children;
+
+	if (strcmp((char *)nodo->name, "planta") == 0) {
+		items = nodo->children;
+		while (items != NULL) {
+			if (items->type == XML_ELEMENT_NODE) {
+				if (xmlStrcmp(items->name, BAD_CAST"bomba")==0) {
+					loadBomba(items);
+				} else if (xmlStrcmp(items->name, BAD_CAST"codo")==0) {
+					loadCodo(items);
+				} else if (xmlStrcmp(items->name, BAD_CAST"tubo")==0) {
+					loadConduct(items);
+				} else if (xmlStrcmp(items->name, BAD_CAST"exclusa")==0) {
+					loadExclusa(items);
+				} else if (xmlStrcmp(items->name, BAD_CAST"tanque")==0) {
+					loadTank(items);
+				} else if (xmlStrcmp(items->name, BAD_CAST"empalme")==0) {
+					loadUnion(items);
+				} else if (xmlStrcmp(items->name, BAD_CAST"drenaje")==0) {
+					loadDrain(items);
+				}
+
+			}
+			items = items->next;
+		}
+	}
+
+	// Ya cargado el XML, mando un msg para empezar a recibir los frames!
+	PlaQui::Server::Command c("transmission", "start");
+	c.add_arg("default");
+	c.add_arg(conexion->get_host());
+	c.add_arg("7528");
+	conexion->send(c);
+}
+
+void Principal::loadBomba(xmlNodePtr nodo)
+{
+	Glib::ustring name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
+	int orientacion=0, x, y;
+
+	nodo = nodo->children;
+	while (nodo != NULL) {
+		if (nodo->type == XML_ELEMENT_NODE) {
+			if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
+				orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
+				x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
+				y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			}
+		}
+		nodo = nodo->next;
+	}
+
+	// listo, ya recolecte todos los datos, ahora creo el objeto!
+	ViewPump *b = new ViewPump(name, orientacion);
+	b->signal_button_press_event().connect(SigC::bind( SigC::slot(*this, &Principal::on_item_clicked), b) );
+	b->set_position(x,y);
+	work_place->put(*b, x, y);
+	b->show();
+	// los agrego al hash
+	mapItems[name] = b;
+}
+
+void Principal::loadCodo(xmlNodePtr nodo)
+{
+	std::string name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
+	int orientacion=0, x, y;
+
+	nodo = nodo->children;
+	while (nodo != NULL) {
+		if (nodo->type == XML_ELEMENT_NODE) {
+			if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
+				orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
+				x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
+				y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			}
+		}
+		nodo = nodo->next;
+	}
+
+	// listo, ya recolecte todos los datos, ahora creo el objeto!
+	ViewItem *b = new ViewCodo(name, orientacion);
+	b->signal_button_press_event().connect(SigC::bind( SigC::slot(*this, &Principal::on_item_clicked), b) );
+	b->set_position(x,y);
+	work_place->put(*b, x, y);
+	b->show();
+	// los agrego al hash
+	mapItems[name] = b;
+}
+
+void Principal::loadConduct(xmlNodePtr nodo)
+{
+	Glib::ustring name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
+	int orientacion=0, x, y;
+
+	nodo = nodo->children;
+	while (nodo != NULL) {
+		if (nodo->type == XML_ELEMENT_NODE) {
+			if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
+				orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
+				x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
+				y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			}
+		}
+		nodo = nodo->next;
+	}
+
+	// listo, ya recolecte todos los datos, ahora creo el objeto!
+	ViewConduct *b = new ViewConduct(name, orientacion);
+	b->signal_button_press_event().connect(SigC::bind( SigC::slot(*this, &Principal::on_item_clicked), b) );
+	b->set_position(x,y);
+	work_place->put(*b, x, y);
+	b->show();
+	// los agrego al hash
+	mapItems[name] = b;
+}
+
+void Principal::loadExclusa(xmlNodePtr nodo)
+{
+	Glib::ustring name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
+	int orientacion=0, x, y;
+
+	nodo = nodo->children;
+	while (nodo != NULL) {
+		if (nodo->type == XML_ELEMENT_NODE) {
+			if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
+				orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
+				x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
+				y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			}
+		}
+		nodo = nodo->next;
+	}
+
+	// listo, ya recolecte todos los datos, ahora creo el objeto!
+	ViewExclusa *b = new ViewExclusa(name, orientacion);
+	b->signal_button_press_event().connect(SigC::bind( SigC::slot(*this, &Principal::on_item_clicked), b) );
+	b->set_position(x,y);
+	work_place->put(*b, x, y);
+	b->show();
+	// los agrego al hash
+	mapItems[name] = b;
+}
+
+void Principal::loadTank(xmlNodePtr nodo)
+{
+	Glib::ustring name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
+	int orientacion=0, x, y;
+
+	nodo = nodo->children;
+	while (nodo != NULL) {
+		if (nodo->type == XML_ELEMENT_NODE) {
+			if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
+				orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
+				x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
+				y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			}
+		}
+		nodo = nodo->next;
+	}
+
+	// listo, ya recolecte todos los datos, ahora creo el objeto!
+	ViewTank *b = new ViewTank(name, orientacion);
+	b->signal_button_press_event().connect(SigC::bind( SigC::slot(*this, &Principal::on_item_clicked), b) );
+	b->set_position(x,y);
+	work_place->put(*b, x, y);
+	b->show();
+	// los agrego al hash
+	mapItems[name] = b;
+}
+
+void Principal::loadUnion(xmlNodePtr nodo)
+{
+	Glib::ustring name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
+	int orientacion=0, x, y;
+
+	nodo = nodo->children;
+	while (nodo != NULL) {
+		if (nodo->type == XML_ELEMENT_NODE) {
+			if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
+				orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
+				x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
+				y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			}
+		}
+		nodo = nodo->next;
+	}
+
+	// listo, ya recolecte todos los datos, ahora creo el objeto!
+	ViewUnion *b = new ViewUnion(name, orientacion);
+	b->signal_button_release_event().connect(SigC::bind( SigC::slot(*this, &Principal::on_item_clicked), b) );
+	b->set_position(x,y);
+	work_place->put(*b, x, y);
+	b->show();
+	// los agrego al hash
+	mapItems[name] = b;
+}
+
+void Principal::loadDrain(xmlNodePtr nodo)
+{
+	Glib::ustring name = (char *)xmlGetProp(nodo, BAD_CAST"nombre");
+	int orientacion=0, x, y;
+
+	nodo = nodo->children;
+	while (nodo != NULL) {
+		if (nodo->type == XML_ELEMENT_NODE) {
+			if (xmlStrcmp(nodo->name, BAD_CAST"orientacion") == 0) {
+				orientacion = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"x") == 0) {
+				x = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			} else if (xmlStrcmp(nodo->name, BAD_CAST"y") == 0) {
+				y = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			}
+		}
+		nodo = nodo->next;
+	}
+
+	// listo, ya recolecte todos los datos, ahora creo el objeto!
+	ViewDrain *b = new ViewDrain(name, orientacion);
+	b->signal_button_release_event().connect(SigC::bind( SigC::slot(*this, &Principal::on_item_clicked), b) );
+	b->set_position(x,y);
+	work_place->put(*b, x, y);
+	b->show();
+	// los agrego al hash
+	mapItems[name] = b;
+}
+
+void Principal::read_status_xml(const std::string &frame)
+{
+	std::string item_name;
+	xmlDocPtr document;
+	document = xmlParseMemory(frame.c_str(),frame.size());
+	if (document == NULL) {
+		std::cout << "read_status_xml::no se creo documento" << std::endl;
+		return;
+	}
 	
-	PlaQui::Server::Command command(txt_get->get_text(), "");
-	conexion->send(command);
+	xmlNodePtr nodo, items, props;
+	nodo = document->children;
+	float tmp;
+	bool tmp_b;
+
+	if (strcmp((char *)nodo->name, "plantstatus") == 0) {
+		items = nodo->children;
+		while (items != NULL) {
+			if (items->type == XML_ELEMENT_NODE) {
+				tmp = -1;
+				item_name = "";
+				if (xmlStrcmp(items->name, BAD_CAST"float")==0) {
+					tmp = get_float_from_xml(items->children);
+					item_name = (char *)xmlGetProp(items, BAD_CAST"name");
+					mapItems[item_name]->set_actual_flow(tmp);
+				} else if (xmlStrcmp(items->name, BAD_CAST"exclusa")==0) {
+					tmp_b = get_bool_from_xml(items->children);
+					item_name = (char *)xmlGetProp(items, BAD_CAST"name");
+					mapItems[item_name]->set_open(tmp_b);
+				} else if (xmlStrcmp(items->name, BAD_CAST"pump")==0) {
+					tmp_b = get_bool_from_xml(items->children);
+					item_name = (char *)xmlGetProp(items, BAD_CAST"name");
+					mapItems[item_name]->set_open(tmp_b);
+				}  else if (xmlStrcmp(items->name, BAD_CAST"color")==0) {
+					item_name = (char *)xmlGetProp(items, BAD_CAST"name");
+					mapItems[item_name]->set_color( get_rgb_from_xml(items->children) );
+				} else if (xmlStrcmp(items->name, BAD_CAST"tank")==0) {
+					xmlNodePtr nodo_tmp = items->children;
+					float cap, lit;
+					cap = lit = -1;
+					while (nodo_tmp != NULL) {
+						if (nodo_tmp->type == XML_ELEMENT_NODE) {
+							if (xmlStrcmp(nodo_tmp->name, BAD_CAST"capacity")==0)
+								cap = atof( (char *)XML_GET_CONTENT(nodo_tmp->children) );
+							else if (xmlStrcmp(nodo_tmp->name, BAD_CAST"litros")==0)
+								lit= atof( (char *)XML_GET_CONTENT(nodo_tmp->children) );
+						}
+						nodo_tmp = nodo_tmp->next;
+					}
+					item_name = (char *)xmlGetProp(items, BAD_CAST"name");
+					mapItems[item_name]->set_actual_flow(cap);
+					mapItems[item_name]->set_extra(lit);
+				}
+			}
+			items = items->next;
+		}
+
+		// Actualizo la UI
+		update_ui();
+	}
+}
+
+Gdk::Color Principal::get_rgb_from_xml(xmlNodePtr nodo)
+{
+	unsigned r,g,b;
+	while (nodo != NULL) {
+		if (nodo->type == XML_ELEMENT_NODE) {
+			if (xmlStrcmp(nodo->name, BAD_CAST"r")==0)
+				r = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			if (xmlStrcmp(nodo->name, BAD_CAST"g")==0)
+				g = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+			if (xmlStrcmp(nodo->name, BAD_CAST"b")==0)
+				b = atoi( (char *)XML_GET_CONTENT(nodo->children) );
+		}
+		nodo = nodo->next;
+	}
+	r = 65535 * r / 255;
+	g = 65535 * g / 255;
+	b = 65535 * b / 255;
+	Gdk::Color c;
+	c.set_rgb(r,g,b);
 
+	return c;
+}
+float Principal::get_float_from_xml(xmlNodePtr nodo)
+{
+	float tmp = -1;
+	while (nodo != NULL) {
+		if (nodo->type == XML_ELEMENT_NODE) {
+			if (xmlStrcmp(nodo->name, BAD_CAST"actual_flow")==0) {
+				tmp = atof( (char *)XML_GET_CONTENT(nodo->children) );
+				break;
+			}
+		}
+		nodo = nodo->next;
+	}
+	return tmp;
+}
+
+bool Principal::get_bool_from_xml(xmlNodePtr nodo)
+{
+	std::string tmp;
+	while (nodo != NULL) {
+		if (nodo->type == XML_ELEMENT_NODE) {
+			if (xmlStrcmp(nodo->name, BAD_CAST"active")==0) {
+				tmp = (char *)XML_GET_CONTENT(nodo->children);
+				break;
+			}
+		}
+		nodo = nodo->next;
+	}
+	return tmp == "true";
 }