#ifndef _DialogCharacterCodings_h
#define _DialogCharacterCodings_h

/*
 *	subtitleeditor -- a tool to create or edit subtitle
 *
 *	https://kitone.github.io/subtitleeditor/
 *	https://github.com/kitone/subtitleeditor/
 *
 *	Copyright @ 2005-2009, kitone
 *
 *	This program 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 3 of the License, or
 *	(at your option) any later version.
 *
 *	This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include <gtkmm.h>
#include <memory>

/*
 *
 */
class DialogCharacterCodings : public Gtk::Dialog
{
	/*
	 *
	 */
	class ColumnEncoding : public Gtk::TreeModel::ColumnRecord
	{
	public:
		ColumnEncoding()
		{
			add(description);
			add(charset);
		}

		Gtk::TreeModelColumn<Glib::ustring> description;
		Gtk::TreeModelColumn<Glib::ustring> charset;
	};

public:

	/*
	 *
	 */
	DialogCharacterCodings(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Builder>& builder);

	/*
	 * Create an instance of the dialog .ui file)
	 * If the response is OK the config is saved.
	 */
	static std::unique_ptr<DialogCharacterCodings> create(Gtk::Window &parent);

protected:

	/*
	 * Create the columns "Description" and "Encoding".
	 */
	void create_columns(Gtk::TreeView *view, bool clickable);

	/*
	 * Append encoding to the model.
	 * Sets description and charset from Encodings.
	 */
	void append_encoding(Glib::RefPtr<Gtk::ListStore> store, const Glib::ustring &charset);

	/*
	 * Return true if the charset is already in the Displayed list.
	 */
	bool check_if_already_display(const Glib::ustring &charset);

	/*
	 * Init the available treeview with all encodings.
	 */
	void init_encodings_available();

	/*
	 * Init the displayed treeview with the config.
	 */
	void init_encodings_displayed();

	/*
	 * Add character codings selected from Available to the Displayed.
	 */
	void on_button_add();

	/*
	 * Remove selected items to the displayed treeview.
	 */
	void on_button_remove();

	/*
	 * Update the sensitive of the "add" button.
	 */
	void on_encodings_available_selection_changed();

	/*
	 * Update the sensitive of the "remove" button.
	 */
	void on_encodings_displayed_selection_changed();

	/*
	 * Add the selected charset.
	 */
	void on_row_available_activated(const Gtk::TreeModel::Path &path, Gtk::TreeViewColumn *column);

	/*
	 * Remove the selected charset.
	 */
	void on_row_displayed_activated(const Gtk::TreeModel::Path &path, Gtk::TreeViewColumn *column);

	/*
	 * Save the values in the config.
	 */
	void save_config();

	/*
	 * if the response is RESPONSE_OK save the config.
	 */
	virtual void on_response(int id);

protected:
	ColumnEncoding m_column;

	Gtk::TreeView* treeviewAvailable;
	Glib::RefPtr<Gtk::ListStore> m_storeAvailable;
	
	Gtk::TreeView* m_treeviewDisplayed;
	Glib::RefPtr<Gtk::ListStore> m_storeDisplayed;

	Gtk::Button* m_buttonAdd;
	Gtk::Button* m_buttonRemove;
};

#endif//_DialogCharacterCodings_h

