/*
* fontResizer - jQuery Plugin
*
* Examples and documentation at: <http://paperplanesdesign.com/cubed/Font-Resizer/fontResizer.html>
*
* Copyright (c) 2011 Justin Wehrman
*
* Version: 2.0.0 (11/11/2010)
* Requires: jQuery v1.3+
*
* Dual licensed under the MIT and GPL licenses:
*   http://www.opensource.org/licenses/mit-license.php
*   http://www.gnu.org/licenses/gpl.html
*/
(function ($) {
    $.fn.fontResizer = function (options) {
        var date = new Date();
        var currYear = date.getFullYear();
        var currMonth = date.getMonth();
        var currDay = date.getDate();
        var cExpire = new Date(currYear + 1, currMonth, currDay);
        var cExpireDate = cExpire.toUTCString();
        var defaults = {
            sizeType: 'px',
            minFont: 12,
            maxFont: 16,
            fontSet: 14,
            setFontOn: 'ON',
            increment: 2,
            incrementDisable: 'DISABLED',
            $increaseClickItem: $('.increaseClickItem'),
            $decreaseClickItem: $('.decreaseClickItem'),
            $setFontButton: $('.setFontSize'),
            cookieName: 'fontResizer',
            cookieExpire: cExpireDate,
            cookiePath: '/',
            cookieSet: options.cookieName + '=' + options.fontSet + ';path=' + options.cookiePath + ' ;expires=' + options.cookieExpire,
            endClick: function () {
                blur;
                return false;
            },
            increaseFontSize: function () {
                if (options.fontSet < options.maxFont) {
                    options.fontSet += options.increment;
                } else {
                    options.endClick();
                }
                $content.css('fontSize', options.fontSet + options.sizeType);
                document.cookie = options.cookieName + '=' + options.fontSet + ';path=' + options.cookiePath + ' ;expires=' + options.cookieExpire;
                options.setCurrentFontButton();
            },
            decreaseFontSize: function () {
                if (options.fontSet > options.minFont) {
                    options.fontSet -= options.increment;
                } else {
                    options.endClick();
                }
                $content.css('fontSize', options.fontSet + options.sizeType);
                document.cookie = options.cookieName + '=' + options.fontSet + ';path=' + options.cookiePath + ' ;expires=' + options.cookieExpire;
                options.setCurrentFontButton();
            },
            setFontSize: function (fSize) {
                fSize = $(this).attr('title');
                fSize = parseInt(fSize);
                options.fontSet = fSize;
                $content.css('fontSize', fSize + options.sizeType);
                document.cookie = options.cookieName + '=' + options.fontSet + ';path=' + options.cookiePath + ' ;expires=' + options.cookieExpire;
            },
            checkfontSetCookie: function () {
                var results = document.cookie.match('(^|;) ?' + options.cookieName + '=([^;]*)(;|$)');
                if (results) {
                    $content.css('fontSize', unescape(results[2]) + options.sizeType);
                    options.setCurrentFontButton();
                }
            },
            setCurrentFontButton: function () {
                if (options.$setFontButton.length !== 0) {
                    options.$setFontButton.each(function () {
                        $(this).attr('title') == options.fontSet ? $(this).addClass(options.setFontOn) : $(this).removeClass(options.setFontOn);
                    });
                    options.setIncreaseDecreaseVisibility();
                }
            },
            setIncreaseDecreaseVisibility: function () {
                var maxReached = options.fontSet >= options.maxFont;
                var minReached = options.fontSet <= options.minFont;
                maxReached ? options.$increaseClickItem.addClass(options.incrementDisable) : options.$increaseClickItem.removeClass(options.incrementDisable);
                minReached ? options.$decreaseClickItem.addClass(options.incrementDisable) : options.$decreaseClickItem.removeClass(options.incrementDisable);
            }
        };
        var options = $.extend(defaults, options);
        var $content = this;
        return this.each(function () {
            options.checkfontSetCookie();
            if ($(this).css('fontSize')) {
                options.fontSet = parseInt($(this).css('fontSize').replace(options.sizeType, ''));
                options.$increaseClickItem.click(options.increaseFontSize).click(options.setIncreaseDecreaseVisibility).click(options.endClick);
                options.$decreaseClickItem.click(options.decreaseFontSize).click(options.setIncreaseDecreaseVisibility).click(options.endClick);
                options.$setFontButton.click(function (event) {
                    options.$setFontButton.each(function () {
                        if ($(this).hasClass(options.setFontOn)) { $(this).removeClass(options.setFontOn); }
                    });
                    $(this).addClass(options.setFontOn);
                }).click(options.setFontSize).click(options.setIncreaseDecreaseVisibility).click(options.endClick);
            }
        });
    };
})(jQuery);