/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "ItemSwitch.h"
#include "SDL_ImageResource.h"

namespace CEGUI {

void ItemSwitch::init(WORD referenceTrue, WORD referenceFalse) {
	_backgroundTrue = _background;
	_backgroundFalse = new SDL_ImageResource();
	if (!_backgroundFalse->load(referenceFalse)) {
		delete _backgroundFalse;
		delete _background;
		_background = NULL;
		_backgroundFalse = NULL;
	}
}

ItemSwitch::ItemSwitch(WORD referenceTrue, WORD referenceFalse, bool *item) :
	PanelItem(referenceTrue) {
	init(referenceTrue, referenceFalse);
	_item = item;
	_itemmax = -1;
	if (!*_item)
		_background = _backgroundFalse;
}

ItemSwitch::ItemSwitch(WORD referenceTrue, WORD referenceFalse, int *item, int max) :
	PanelItem(referenceTrue) {
	init(referenceTrue, referenceFalse);
	_itemmultiple = item;
	_itemmax = max;
	if (!*item)
		_background = _backgroundFalse;
}

ItemSwitch::~ItemSwitch() {
	delete _backgroundFalse;
}

bool ItemSwitch::action(int x, int y, bool pushed) {

	if (checkInside(x, y) && _visible && pushed) {
		if (_itemmax <= 0) {
			*_item = !*_item;
			if (*_item)
				_background = _backgroundTrue;
			else
				_background = _backgroundFalse;

			if (_panel)
				_panel->forceRedraw();

			return true;
		} else {
			*_itemmultiple = *_itemmultiple + 1;
			if (*_itemmultiple > _itemmax)
				*_itemmultiple = 0;
			if (*_itemmultiple)
				_background = _backgroundTrue;
			else
				_background = _backgroundFalse;

			if (_panel)
				_panel->forceRedraw();

			return true;
		}
	} else
		return false;
}

} // End of namespace CEGUI
