source: extensions/Autosize/js/autosize.cookie.js @ 16589

/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

/**
 * Create a cookie with the given name and value and other optional parameters.
 *
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Set the value of a cookie.
 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
 * @desc Create a cookie with all available options.
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Create a session cookie.
 * @example $.cookie('the_cookie', null);
 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
 *       used when the cookie was set.
 *
 * @param String name The name of the cookie.
 * @param String value The value of the cookie.
 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
 *                             when the the browser exits.
 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
 *                        require a secure protocol (like HTTPS).
 * @type undefined
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

/**
 * Get the value of a cookie with the given name.
 *
 * @example $.cookie('the_cookie');
 * @desc Get the value of a cookie.
 *
 * @param String name The name of the cookie.
 * @return The value of the cookie.
 * @type String
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */
jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
    };

    if (jQuery.cookie('picture-menu') == 'visible') {
      jQuery("head").append("<style type=\"text/css\">#content.contentWithMenu, #the_page > .content {margin-left:240px;}</style>");
    } else {
      jQuery("head").append("<style type=\"text/css\">#the_page #menubar {display:none;} #content.contentWithMenu, #the_page > .content {margin-left:35px;}</style>");
    }
 
    function hideMenu(delay) {
      var menubar = jQuery("#menubar");
      var menuswitcher = jQuery("#menuSwitcher");
      var content = jQuery("#the_page > .content");
      var pcontent = jQuery("#content");

      menubar.hide(delay);
      menuswitcher.addClass("menuhidden").removeClass("menushown");
      content.addClass("menuhidden").removeClass("menushown");
      pcontent.addClass("menuhidden").removeClass("menushown");
      jQuery.cookie('picture-menu', 'hidden', { path: "/" });

    }

    function showMenu(delay) {

      var menubar = jQuery("#menubar");
      var menuswitcher = jQuery("#menuSwitcher");
      var content = jQuery("#the_page > .content");
      var pcontent = jQuery("#content");

      menubar.show(delay);
      menuswitcher.addClass("menushown").removeClass("menuhidden");
      content.addClass("menushown").removeClass("menuhidden");
      pcontent.addClass("menushown").removeClass("menuhidden");
      jQuery.cookie('picture-menu', 'visible', { path: "/" });

    }

    function hideInfo(delay) {

      var imageInfos = jQuery("#imageInfos");
      var infoswitcher = jQuery("#infoSwitcher");
      var theImage = jQuery("#theImage");

      imageInfos.hide(delay);
      infoswitcher.addClass("infohidden").removeClass("infoshown");
      theImage.addClass("infohidden").removeClass("infoshown");
      jQuery.cookie('side-info', 'hidden', { path: "/" });

    }

    function showInfo(delay) {

      var imageInfos = jQuery("#imageInfos");
      var infoswitcher = jQuery("#infoSwitcher");
      var theImage = jQuery("#theImage");

      imageInfos.show(delay);
      infoswitcher.addClass("infoshown").removeClass("infohidden");
      theImage.addClass("infoshown").removeClass("infohidden");
      jQuery.cookie('side-info', 'visible', { path: "/" });

    }

    jQuery("document").ready(function (jQuery) {

      // side-menu show/hide

      var sidemenu = jQuery.cookie('picture-menu');
      var menubar = jQuery("#menubar");

      if (menubar.length == 1) {

        jQuery("#menuSwitcher").html("<div class=\"switchArrow\">&nbsp;</div>");

        // if cookie says the menu is hiding, keep it hidden!
        if (sidemenu == 'visible') {
          showMenu(0);
        } else {
          hideMenu(0);
        }

        jQuery("#menuSwitcher").click(function () {
          if (jQuery("#menubar").is(":hidden")) {
            showMenu(0);
            return false;
          } else {
            hideMenu(0);
            return false;
          }
        });

      }

      // info show/hide

      var sideinfo = jQuery.cookie('side-info');
      var imageInfos = jQuery("#imageInfos");

      if (imageInfos.length == 1) {

        jQuery("#infoSwitcher").html("<div class=\"switchArrow\">&nbsp;</div>");

        // if cookie says the menu is hiding, keep it hidden!
        if (sideinfo == 'hidden') {
          hideInfo(0);
        } else {
          showInfo(0);
        }

        jQuery("#infoSwitcher").click(function () {
          if (jQuery("#imageInfos").is(":hidden")) {
            showInfo(0);
            return false;
          } else {
            hideInfo(0);
            return false;
          }
        });

      }

      // comments show/hide

      var commentsswicther = jQuery("#commentsSwitcher");
      var comments = jQuery("#thePicturePage #comments");

      commentsswicther.html("<div class=\"switchArrow\">&nbsp;</div>");

      if (comments.length == 1) {
        var comments_button = jQuery("#comments h3");

        if (comments_button.length == 0) {
          jQuery("#addComment").before("<h3>Comments</h3>");
          comments_button = jQuery("#comments h3");
        }

        if (jQuery.cookie('comments') == 'visible') {
          comments.addClass("commentsshown");
          comments_button.addClass("comments_toggle").addClass("comments_toggle_off");
        } else {
          comments.addClass("commentshidden");
          comments_button.addClass("comments_toggle").addClass("comments_toggle_on");
        }

        comments_button.click(function () { commentsToggle() });
        commentsswicther.click(function () { commentsToggle() });

      }


    });

    function commentsToggle() {
      var comments = jQuery("#thePicturePage #comments");
      var comments_button = jQuery("#comments h3");

      if (comments.hasClass("commentshidden")) {
        comments.removeClass("commentshidden").addClass("commentsshown");
        comments_button.addClass("comments_toggle_off").removeClass("comments_toggle_on"); ;
        jQuery.cookie('comments', 'visible', { path: "/" });
      } else {
        comments.addClass("commentshidden").removeClass("commentsshown");
        comments_button.addClass("comments_toggle_on").removeClass("comments_toggle_off"); ;
        jQuery.cookie('comments', 'hidden', { path: "/" });
      }

    }