// src/startgui.cc - Copyright 2005, 2006, University
//               of Padova, dept. of Pure and Applied
//               Mathematics
//
// This file is part of SGPEMv2.
//
// This is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

#include "config.h"
#include "gettext.h"

#include "schedulables_tree_widget.hh"
#include "simulation_widget.hh"

#include "gui_builder.hh"
#include "graphical_preferences_editor.hh"

#include "backend/history.hh"
#include "backend/simulation.hh"

#include <glibmm/ustring.h>
#include <gtkmm/aboutdialog.h>
#include <gtkmm/expander.h>
#include <gtkmm/main.h>
#include <gtkmm/menuitem.h>
#include <gtkmm/scrolledwindow.h>

#include <iostream>

using namespace sgpem;
using Gnome::Glade::Xml;

void
test_me()
{
  // A test for widget display:
  Simulation& sim = Simulation::get_instance();
  sim.get_history().add_process("goofy", 0, 0);
}

void
GuiBuilder::on_edit_preferences_activate()
{
	new PreferencesEditor(); //FIXME: are we leaking this way?
}


GuiBuilder::GuiBuilder(const std::string& gladefile)
    : _refXml(Xml::create(gladefile))
{
  using namespace Gtk;

  //Window& main_window = get_initial_window();

  // Connect extra signals (decide where to do this...
  // here -- ugly -- derive widgets and then use
  // Glade::Xml::get_widget_derived -- better --)
  MenuItem* file_quit = NULL;
  _refXml->get_widget("MenuItem.File.Quit", file_quit);
  file_quit->signal_activate().connect(sigc::ptr_fun(&Main::quit));

	// preferences dialog
  MenuItem* edit_preferences = NULL;
  _refXml->get_widget("MenuItem.Edit.Preferences", edit_preferences);
  edit_preferences->signal_activate().connect(sigc::mem_fun(*this, &GuiBuilder::on_edit_preferences_activate));


  // About dialog
  MenuItem* help_about = NULL;
  _refXml->get_widget("MenuItem.Help.About", help_about);
  AboutDialog* about_dialog = NULL;
  _refXml->get_widget("AboutDialog", about_dialog);
  help_about->signal_activate().connect(sigc::mem_fun(*about_dialog, &Window::show));




  // Random Error Generator
  MenuItem* debug_error = NULL;
  _refXml->get_widget("MenuItem.Debug.Error", debug_error);
  debug_error->signal_activate().connect(sigc::ptr_fun(test_me));




  // Temporary code to test the Schedulables custom widget
  Expander* scheds_expander = NULL;
  _refXml->get_widget("SchedulablesExpander", scheds_expander);

  SchedulablesTreeWidget* scheds_widget = manage(new SchedulablesTreeWidget());
  scheds_expander->add(*scheds_widget);
  // we have to remember to manually show custom added widgets:
  scheds_widget->show();




  // Main simulation widget
  ScrolledWindow* simulation_window = NULL;
  _refXml->get_widget("SimulationScrolledWindow", simulation_window);
  SimulationWidget* simulation_widget = manage(new SimulationWidget());
  simulation_window->add(*simulation_widget);
  simulation_widget->show();
}


GuiBuilder::~GuiBuilder()
{}


Gtk::Window&
GuiBuilder::get_initial_window() const
{
  Gtk::Window* main_window = NULL;
  _refXml->get_widget("MainWindow", main_window);
  return *main_window;
}


void
GuiBuilder::open_file(const std::string& filename)
{
  // FIXME: to be written.
  // Debug line (erase me when done):
  std::cout << _("Filename to open: ") << filename << std::endl;
}