source: t29-www/shared/js/jquery.cookie.js @ 828

Last change on this file since 828 was 172, checked in by sven, 14 years ago

Im Zuge der jQuery-Tools:

  • Hostinfo-System (/hostinfo.shtm wird per Ajax in Seitenleisten eingebunden und gibt somit Infos ueber den Host, wo der technikum29-checkout gerade laeuft)
  • /*/inc/head.inc.shtm: Sprache als Klasse hinzugefuegt
  • shared/css/*.css: Kleinigkeiten fuer #sidebar-hostinfo
  • jquery.cookie.js etwa fuer die incubator-hostinfos.
File size: 4.3 KB
Line 
1/**
2 * Cookie plugin for jquery
3 *
4 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
5 * Dual licensed under the MIT and GPL licenses:
6 * http://www.opensource.org/licenses/mit-license.php
7 * http://www.gnu.org/licenses/gpl.html
8 *
9 */
10
11/**
12 * Create a cookie with the given name and value and other optional parameters.
13 *
14 * @example $.cookie('the_cookie', 'the_value');
15 * @desc Set the value of a cookie.
16 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
17 * @desc Create a cookie with all available options.
18 * @example $.cookie('the_cookie', 'the_value');
19 * @desc Create a session cookie.
20 * @example $.cookie('the_cookie', null);
21 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
22 *       used when the cookie was set.
23 *
24 * @param String name The name of the cookie.
25 * @param String value The value of the cookie.
26 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
27 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
28 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
29 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
30 *                             when the the browser exits.
31 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
32 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
33 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
34 *                        require a secure protocol (like HTTPS).
35 * @type undefined
36 *
37 * @name $.cookie
38 * @cat Plugins/Cookie
39 * @author Klaus Hartl/klaus.hartl@stilbuero.de
40 */
41
42/**
43 * Get the value of a cookie with the given name.
44 *
45 * @example $.cookie('the_cookie');
46 * @desc Get the value of a cookie.
47 *
48 * @param String name The name of the cookie.
49 * @return The value of the cookie.
50 * @type String
51 *
52 * @name $.cookie
53 * @cat Plugins/Cookie
54 * @author Klaus Hartl/klaus.hartl@stilbuero.de
55 */
56if(jQuery && !jQuery.cookie)
57  jQuery.cookie = function(name, value, options) {
58    if (typeof value != 'undefined') { // name and value given, set cookie
59        options = options || {};
60        if (value === null) {
61            value = '';
62            options.expires = -1;
63        }
64        var expires = '';
65        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
66            var date;
67            if (typeof options.expires == 'number') {
68                date = new Date();
69                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
70            } else {
71                date = options.expires;
72            }
73            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
74        }
75        // CAUTION: Needed to parenthesize options.path and options.domain
76        // in the following expressions, otherwise they evaluate to undefined
77        // in the packed version for some reason...
78        var path = options.path ? '; path=' + (options.path) : '';
79        var domain = options.domain ? '; domain=' + (options.domain) : '';
80        var secure = options.secure ? '; secure' : '';
81        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
82    } else { // only name given, get cookie
83        var cookieValue = null;
84        if (document.cookie && document.cookie != '') {
85            var cookies = document.cookie.split(';');
86            for (var i = 0; i < cookies.length; i++) {
87                var cookie = jQuery.trim(cookies[i]);
88                // Does this cookie string begin with the name we want?
89                if (cookie.substring(0, name.length + 1) == (name + '=')) {
90                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
91                    break;
92                }
93            }
94        }
95        return cookieValue;
96    }
97};
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