/***************************************************************************
 *   Copyright (C) 2012 by the fifechan team                               *
 *   http://fifechan.github.com/fifechan                                   *
 *   This file is part of fifechan.                                        *
 *                                                                         *
 *   fifechan is free software; you can redistribute it and/or             *
 *   modify it under the terms of the GNU Lesser General Public            *
 *   License as published by the Free Software Foundation; either          *
 *   version 2.1 of the License, or (at your option) any later version.    *
 *                                                                         *
 *   This library 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     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
 ***************************************************************************/

/*      _______   __   __   __   ______   __   __   _______   __   __
 *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
 *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
 *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
 *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
 *
 * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
 *
 *
 * Per Larsson a.k.a finalman
 * Olof Naessén a.k.a jansem/yakslem
 *
 * Visit: http://guichan.sourceforge.net
 *
 * License: (BSD)
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of Guichan nor the names of its contributors may
 *    be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * For comments regarding functions please see the header file.
 */

#include "fifechan/widgets/togglebutton.hpp"

namespace fcn
{
    ToggleButton::GroupMap ToggleButton::mGroupMap;

    ToggleButton::ToggleButton() {
        setSelected(false);
        adjustSize();
    }

    ToggleButton::ToggleButton(const std::string &caption, const std::string &group, bool selected) {
        setCaption(caption);
        setGroup(group);
        setSelected(selected);
        adjustSize();
    }

    ToggleButton::~ToggleButton() {
        // Remove us from the group list
        setGroup("");
    }

    bool ToggleButton::isSelected() const {
        return mSelected;
    }

    void ToggleButton::setSelected(bool selected) {
        if (selected && mGroup != "") {
            // deselect all buttons in group
            GroupIterator iter, iterEnd;
            iterEnd = mGroupMap.upper_bound(mGroup);

            for (iter = mGroupMap.lower_bound(mGroup); iter != iterEnd; ++iter) {
                if (iter->second->isSelected()) {
                    iter->second->setSelected(false);
                }
            }
        }

        mSelected = selected;
    }

    void ToggleButton::toggleSelected() {
        setSelected(!isSelected());
        distributeActionEvent();
    }

    void ToggleButton::setGroup(const std::string& group) {
        // Remove button from previous group
        if (mGroup != "") {
            GroupIterator iter, iterEnd;
            iterEnd = mGroupMap.upper_bound(mGroup);

            for (iter = mGroupMap.lower_bound(mGroup); iter != iterEnd; ++iter) {
                if (iter->second == this) {
                    mGroupMap.erase(iter);
                    break;
                }
            }
        }
        // Add button to new group
        if (group != "") {
            mGroupMap.insert(std::pair<std::string, ToggleButton*>(group, this));
        }

        mGroup = group;
    }

    const std::string& ToggleButton::getGroup() const {
        return mGroup;
    }

    bool ToggleButton::isPressed() const {
        return isSelected();
    }

    void ToggleButton::keyReleased(KeyEvent& keyEvent) {
        Key key = keyEvent.getKey();

        if ((key.getValue() == Key::Enter || key.getValue() == Key::Space) && mKeyPressed) {
            mKeyPressed = false;
            toggleSelected();
            keyEvent.consume();
        }
    }

    void ToggleButton::mouseReleased(MouseEvent& mouseEvent) {
        if (mouseEvent.getButton() == MouseEvent::Left && mMousePressed && mHasMouse) {
            mMousePressed = false;
            toggleSelected();
            mouseEvent.consume();
        } else if (mouseEvent.getButton() == MouseEvent::Left) {
            mMousePressed = false;
            mouseEvent.consume();
        }
    }

}
