/* === S Y N F I G ========================================================= */

/*!	\file dialog_spritesheetparam.cpp

**	\brief Implementation for the SpriteSheetParam Dialog

**

**	$Id$

**

**	\legal

**	Copyright (c) 2015 Denis Zdorovtsov

**

**	This package 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.

**

**	This package 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.

**	\endlegal

*/

/* ========================================================================= */

/* === H E A D E R S ======================================================= */

#include <cmath></cmath>

#include <synfig general.h=""></synfig>

#include <gtkmm grid.h=""></gtkmm>

#include <gui localization.h=""></gui>

#include "dialogs/dialog_spritesheetparam.h"

namespace studio

{

Dialog_SpriteSheetParam::Dialog_SpriteSheetParam(Gtk::Window &parent):

	Dialog_TargetParam(parent, _("Sprite sheet parameters")), 

	frame_count(0)

{	

	//Checkbox

	check_button = Gtk::manage(new Gtk::CheckButton(_("Add into an existing file."),true));

	//Offset X

	Gtk::Label* offset_x_label(manage(new Gtk::Label(_("Offset X:"))));

	offset_x_label->set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);

	offset_x_box = Gtk::manage(new Gtk::SpinButton(Gtk::Adjustment::create(0.0, 0.0,10000.0)));

	//Offset Y

	Gtk::Label* offset_y_label(manage(new Gtk::Label(_("Offset Y:"))));

	offset_y_label->set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);

	offset_y_box = Gtk::manage(new Gtk::SpinButton(Gtk::Adjustment::create(0.0, 0.0,10000.0)));

	//Dirrection

	Gtk::Label* direction_label(manage(new Gtk::Label(_("Direction:"))));

	direction_label->set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);

	direction_box = Gtk::manage(new Gtk::ComboBoxText());

	direction_box->append("horizontal");

	direction_box->append("vertical");

	direction_box->set_active(0);

	direction_box->signal_changed().connect(sigc::mem_fun(*this, &Dialog_SpriteSheetParam::on_dir_change));

	//Row count

	Gtk::Label* rows_label(manage(new Gtk::Label(_("Rows:"))));

	rows_label->set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);

	rows_box = Gtk::manage(new Gtk::SpinButton(Gtk::Adjustment::create(0.0, 1.0,1000.0)));

	rows_box->signal_value_changed().connect(sigc::mem_fun(*this, &Dialog_SpriteSheetParam::on_rows_change));

	//Column count

	Gtk::Label* columns_label(manage(new Gtk::Label(_("Columns:"))));

	columns_label->set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);

	columns_box = Gtk::manage(new Gtk::SpinButton(Gtk::Adjustment::create(0.0, 1.0,1000.0)));

	columns_box->signal_value_changed().connect(sigc::mem_fun(*this, &Dialog_SpriteSheetParam::on_cols_change));

	//Grid

	Gtk::Grid* grid = Gtk::manage(new Gtk::Grid());

	grid->attach(*check_button,0,0,2,1);

	grid->attach(*offset_x_label,0,1,1,1);

	grid->attach(*offset_x_box,1,1,1,1);

	grid->attach(*offset_y_label,2,1,1,1);

	grid->attach(*offset_y_box,3,1,1,1);

	grid->attach(*direction_label,0,2,2,1);

	grid->attach(*direction_box,1,2,3,1);

	grid->attach(*rows_label,0,3,1,1);

	grid->attach(*rows_box,1,3,1,1);

	grid->attach(*columns_label,2,3,1,1);

	grid->attach(*columns_box,3,3,1,1);

	grid->set_row_spacing (4);

	grid->set_column_spacing (2);

	grid->set_border_width(8);

	grid->show_all();

	get_content_area()->pack_start(*grid, true, true, 3);

	get_content_area()->show_all();

}

Dialog_SpriteSheetParam::~Dialog_SpriteSheetParam()

{

}

void

Dialog_SpriteSheetParam::init()

{

	frame_count = get_desc().get_frame_end() - get_desc().get_frame_start() + 1;

	offset_x_box->set_value(get_tparam().offset_x);

	offset_y_box->set_value(get_tparam().offset_y);

	rows_box->set_value(get_tparam().rows);

	columns_box->set_value(get_tparam().columns);

	direction_box->set_active(get_tparam().dir);

	check_button->set_active(get_tparam().append);

	on_dir_change(); //Update boxes

}

void

Dialog_SpriteSheetParam::on_dir_change()

{

	rows_box->set_sensitive(direction_box->get_active_row_number() == 1);

	rows_box->set_value(direction_box->get_active_row_number() == 1 ? frame_count : 1);

	columns_box->set_sensitive(direction_box->get_active_row_number() == 0);

	columns_box->set_value(direction_box->get_active_row_number() == 0 ? frame_count : 1);

}

void

Dialog_SpriteSheetParam::on_rows_change()

{

	static bool flag = false;

	if (direction_box->get_active_row_number() == 0)

		return;

	if ((flag = !flag))

		columns_box->set_value(ceil((double)frame_count / rows_box->get_value()));

}

void

Dialog_SpriteSheetParam::on_cols_change()

{

	static bool flag = false;

	if (direction_box->get_active_row_number() == 1)

		return;

	if ((flag = !flag))

		rows_box->set_value(ceil((double)frame_count / columns_box->get_value()));

}

void

Dialog_SpriteSheetParam::write_tparam(synfig::TargetParam & tparam_)

{

	tparam_.offset_x = offset_x_box->get_value();

	tparam_.offset_y = offset_y_box->get_value();

	tparam_.rows = rows_box->get_value();

	tparam_.columns = columns_box->get_value();

	tparam_.dir = (synfig::TargetParam::Direction)direction_box->get_active_row_number ();

	tparam_.append = check_button->get_active();

}

}