// src/graphical_preferences_editor.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 "graphical_preferences_editor.hh"

#include <glibmm/ustring.h>
#include <gtkmm/filechooserdialog.h>




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

PreferencesEditor::PreferencesEditor(const std::string& gladefile)
	: _refXml(Xml::create(gladefile)), prefs(GlobalPreferences::get_instance()),
		preferences_dialog(NULL), plugins_dirs_treeview(NULL), speed_spin(NULL)
{
	_refXml->get_widget("ConfigureDialog", preferences_dialog);

	// - General Dialog Settings
	// preferences dialog
	Gtk::Button* close = NULL;
	_refXml->get_widget("Close", close);
	close->signal_clicked().connect(sigc::mem_fun(*this, &PreferencesEditor::on_close));



	// - Plugins
	// - create model
	Gtk::TreeModelColumnRecord model_columns;
	Gtk::TreeModelColumn<Glib::ustring> single_column;
	model_columns.add(single_column);

	// here is our model
	plugins_dirs_model = Gtk::ListStore::create(model_columns);

	_refXml->get_widget("Plugins.Additional.TreeView", plugins_dirs_treeview);
	plugins_dirs_treeview->set_model(plugins_dirs_model);
	plugins_dirs_treeview->append_column("path",  single_column);
		
	// - fill model
	typedef std::vector<Glib::ustring> Strings;
	Strings & plugin_dirs = prefs.get_plugin_dirs();
	for (Strings::const_iterator i_pd = plugin_dirs.begin(); i_pd != plugin_dirs.end(); i_pd++)
	{
		Gtk::TreeModel::iterator new_row = plugins_dirs_model->prepend(); // plugin dirs are sorted by backend in reverse order
		new_row->set_value(0, *i_pd);
	}

	Gtk::Button* add_plugins_dir = NULL;
	_refXml->get_widget("Plugins.Add", add_plugins_dir);
	add_plugins_dir->signal_clicked().connect(sigc::mem_fun(*this, &PreferencesEditor::on_add_plugins_dir));

	Gtk::Button* remove_plugins_dir = NULL;
	_refXml->get_widget("Plugins.Remove", remove_plugins_dir);
	remove_plugins_dir->signal_clicked().connect(sigc::mem_fun(*this, &PreferencesEditor::on_remove_plugins_dir));









	// - Policies
	// - create model
	Gtk::TreeModelColumnRecord model_columns2;
	Gtk::TreeModelColumn<Glib::ustring> single_column2;
	model_columns2.add(single_column2);

	// here is our model
	policies_dirs_model = Gtk::ListStore::create(model_columns2);

	_refXml->get_widget("Policies.Additional.TreeView", policies_dirs_treeview);
	policies_dirs_treeview->set_model(policies_dirs_model);
	policies_dirs_treeview->append_column("path",  single_column2);
		
	// - fill model
	typedef std::vector<Glib::ustring> Strings;
	Strings & policies_dirs = prefs.get_policy_dirs();
	for (Strings::const_iterator i_pd = policies_dirs.begin(); i_pd != policies_dirs.end(); i_pd++)
	{
		Gtk::TreeModel::iterator new_row = policies_dirs_model->prepend(); // plugin dirs are sorted by backend in reverse order
		new_row->set_value(0, *i_pd);
	}

	Gtk::Button* add_policies_dir = NULL;
	_refXml->get_widget("Policies.Add", add_policies_dir);
	add_policies_dir->signal_clicked().connect(sigc::mem_fun(*this, &PreferencesEditor::on_add_policies_dir));

	Gtk::Button* remove_policies_dir = NULL;
	_refXml->get_widget("Policies.Remove", remove_policies_dir);
	remove_policies_dir->signal_clicked().connect(sigc::mem_fun(*this, &PreferencesEditor::on_remove_policies_dir));



	// - Speed

	_refXml->get_widget("Speed.SpinButton", speed_spin);
	speed_spin->set_value(prefs.get_speed());
	speed_spin->signal_value_changed().connect(sigc::mem_fun(*this, &PreferencesEditor::on_set_speed));
	



	// Window& main_window = get_initial_window();
  preferences_dialog->show();
}

void
PreferencesEditor::on_close()
{
	preferences_dialog->hide();
  prefs.write_configrc();
}

void
PreferencesEditor::on_add_plugins_dir()
{
	// I must get a string
	Glib::ustring path;
	Gtk::FileChooserDialog* ask_path = new Gtk::FileChooserDialog::FileChooserDialog(
		_("Select a directory to add"),
		Gtk::FILE_CHOOSER_ACTION_SELECT_FOLDER, path);
		ask_path->add_button("gtk-cancel", Gtk::RESPONSE_CANCEL);
	ask_path->add_button("gtk-ok", Gtk::RESPONSE_OK);
	ask_path->show();
	int response = ask_path->run();
	ask_path->hide();
	if (response == Gtk::RESPONSE_OK)
	{
		path = ask_path->get_filename();
		prefs.add_modules_dir(path);

		Gtk::TreeModel::iterator new_row = plugins_dirs_model->append();
		new_row->set_value(0, path);
	}
}

void
PreferencesEditor::on_remove_plugins_dir()
{
	// Feature not supported by backend
}

void
PreferencesEditor::on_add_policies_dir()
{
	// I must get a string
	Glib::ustring path;
	Gtk::FileChooserDialog* ask_path = new Gtk::FileChooserDialog::FileChooserDialog(
		_("Select a directory to add"),
		Gtk::FILE_CHOOSER_ACTION_SELECT_FOLDER, path);
		ask_path->add_button("gtk-cancel", Gtk::RESPONSE_CANCEL);
	ask_path->add_button("gtk-ok", Gtk::RESPONSE_OK);
	ask_path->show();
	int response = ask_path->run();
	ask_path->hide();
	if (response == Gtk::RESPONSE_OK)
	{
		path = ask_path->get_filename();
		prefs.add_policies_dir(path);

		Gtk::TreeModel::iterator new_row = policies_dirs_model->append();
		new_row->set_value(0, path);
	}
}

void
PreferencesEditor::on_remove_policies_dir()
{
	// Feature not supported by backend
}

void
PreferencesEditor::on_set_speed()
{
	prefs.set_speed(speed_spin->get_value());
}


PreferencesEditor::~PreferencesEditor()
{
}