// src/schedulables_tree_widget.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 "schedulables_tree_widget.hh"
#include <iostream>
#include <gtk/gtk.h>

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

SchedulablesTreeWidget::SchedulablesTreeWidget() :
  _add_process_dialog_glade(Xml::create(GLADEDIR "/add-process-dialog.glade"))
{
  _columns.add(_column);
  _model = TreeStore::create(_columns);
  
  set_model(_model);

/** JUST A BIT OF DATA FOR TESTING **/
  
  Gtk::TreeModel::Row row1 = *(_model->append());
  row1[_column] = ustring("ciccio");

  Gtk::TreeModel::Row row2 = *(_model->append());
  row2[_column] = ustring("pippo");

  append_column("schedulables", _column);

/** POPUP MENU **/
  
  _action_group = Gtk::ActionGroup::create();

//  _action_group->add( Gtk::Action::create("ContextMenu", "Schedulables") );
//  _action_group->add( Gtk::Action::create("Add Process", Gtk::Stock::NEW),
//      sigc::mem_fun(*this, &SchedulablesTreeWidget::on_action_file_new) );
  _action_group->add( Gtk::Action::create("AddProcess", "Add Process"),
      sigc::mem_fun(*this, &SchedulablesTreeWidget::_on_add_process) );
  //_action_group->add( Gtk::Action::create("Quit", Gtk::Stock::QUIT),
  //    sigc::mem_fun(*this, &SchedulablesTreeWidget::on_action_file_quit) );   

  _UIManager = Gtk::UIManager::create();
  _UIManager->insert_action_group(_action_group);

  Glib::ustring ui_info = 
        "<ui>"
        "  <popup name='PopupMenu'>"
//        "    <menuitem action='ContextMenu'/>"
        "    <menuitem action='AddProcess'/>"
        "  </popup>"
        "</ui>";

  _UIManager->add_ui_from_string(ui_info);
  _menu = dynamic_cast<Gtk::Menu*>(_UIManager->get_widget("/PopupMenu"));

/** DIALOGS **/
  _add_process_dialog_glade->get_widget("AddProcessDialog", _add_process_dialog);
  //FIXME why do I need to call this? Is it reasonable?
  _add_process_dialog->hide();
  
  set_headers_visible(false);
}

bool SchedulablesTreeWidget::on_button_press_event(GdkEventButton* event)
{
  TreeView::on_button_press_event(event);
  
  if( (event->type == GDK_BUTTON_PRESS) && (event->button == 3) )
  {
    _menu->popup(event->button, event->time);
    return true; //It has been handled.
  }
  else
    return false;
}

SchedulablesTreeWidget::~SchedulablesTreeWidget()
{}

void
SchedulablesTreeWidget::update(const History& history)
{
}

void
SchedulablesTreeWidget::_on_add_process()
{
  switch(_add_process_dialog->run())
  {
  case RESPONSE_OK:
    std::cout << "added the process ;-)\n";
    break;
  default:
    std::cout << "operation cancelled ;-)\n";
  }

  _add_process_dialog->hide();
}