Make accessible tabs remember their last choice.

Bundled jquery.cookie library for that.
Every TABlist now needs to have a unique ID.

templates/2k11/admin/js/jquery.cookie.js

@@ -0,0 +1,117 @@
+/*!
+ * jQuery Cookie Plugin v1.4.0
+ * https://github.com/carhartl/jquery-cookie
+ *
+ * Copyright 2013 Klaus Hartl
+ * Released under the MIT license
+ */
+(function (factory) {
+	if (typeof define === 'function' && define.amd) {
+		// AMD. Register as anonymous module.
+		define(['jquery'], factory);
+	} else {
+		// Browser globals.
+		factory(jQuery);
+	}
+}(function ($) {
+
+	var pluses = /\+/g;
+
+	function encode(s) {
+		return config.raw ? s : encodeURIComponent(s);
+	}
+
+	function decode(s) {
+		return config.raw ? s : decodeURIComponent(s);
+	}
+
+	function stringifyCookieValue(value) {
+		return encode(config.json ? JSON.stringify(value) : String(value));
+	}
+
+	function parseCookieValue(s) {
+		if (s.indexOf('"') === 0) {
+			// This is a quoted cookie as according to RFC2068, unescape...
+			s = s.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');
+		}
+
+		try {
+			// Replace server-side written pluses with spaces.
+			// If we can't decode the cookie, ignore it, it's unusable.
+			s = decodeURIComponent(s.replace(pluses, ' '));
+		} catch(e) {
+			return;
+		}
+
+		try {
+			// If we can't parse the cookie, ignore it, it's unusable.
+			return config.json ? JSON.parse(s) : s;
+		} catch(e) {}
+	}
+
+	function read(s, converter) {
+		var value = config.raw ? s : parseCookieValue(s);
+		return $.isFunction(converter) ? converter(value) : value;
+	}
+
+	var config = $.cookie = function (key, value, options) {
+
+		// Write
+		if (value !== undefined && !$.isFunction(value)) {
+			options = $.extend({}, config.defaults, options);
+
+			if (typeof options.expires === 'number') {
+				var days = options.expires, t = options.expires = new Date();
+				t.setDate(t.getDate() + days);
+			}
+
+			return (document.cookie = [
+				encode(key), '=', stringifyCookieValue(value),
+				options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
+				options.path    ? '; path=' + options.path : '',
+				options.domain  ? '; domain=' + options.domain : '',
+				options.secure  ? '; secure' : ''
+			].join(''));
+		}
+
+		// Read
+
+		var result = key ? undefined : {};
+
+		// To prevent the for loop in the first place assign an empty array
+		// in case there are no cookies at all. Also prevents odd result when
+		// calling $.cookie().
+		var cookies = document.cookie ? document.cookie.split('; ') : [];
+
+		for (var i = 0, l = cookies.length; i < l; i++) {
+			var parts = cookies[i].split('=');
+			var name = decode(parts.shift());
+			var cookie = parts.join('=');
+
+			if (key && key === name) {
+				// If second argument (value) is a function it's a converter...
+				result = read(cookie, value);
+				break;
+			}
+
+			// Prevent storing a cookie that we couldn't decode.
+			if (!key && (cookie = read(cookie)) !== undefined) {
+				result[name] = cookie;
+			}
+		}
+
+		return result;
+	};
+
+	config.defaults = {};
+
+	$.removeCookie = function (key, options) {
+		if ($.cookie(key) !== undefined) {
+			// Must not alter options, thus extending a fresh object...
+			$.cookie(key, '', $.extend({}, options, { expires: -1 }));
+			return true;
+		}
+		return false;
+	};
+
+}));

templates/2k11/admin/media_upload.tpl

@@ -10,7 +10,7 @@
     <input name="serendipity[adminAction]" type="hidden" value="add">
     {$media.form_hidden}
 
-    <div class="clearfix tabs">
+    <div class="clearfix tabs" id="mediaupload_tabs">
         <h3>Upload</h3> {* i18n *}
 
         <div class="panel">
@@ -75,4 +75,5 @@
         {/if}
     </div>
 </form>
+<script src="{serendipity_getFile file='admin/js/jquery.cookie.js'}"></script>
 <script src="{serendipity_getFile file='admin/js/jquery.tabs.js'}"></script>

templates/2k11/admin/plugins.inc.tpl

@@ -127,8 +127,9 @@
     <script src="{serendipity_getFile file="admin/js/jquery.autoscroll.js"}"></script>
     <script src="{serendipity_getFile file="admin/js/jquery.sortable.js"}"></script>
     <script src="{serendipity_getFile file="admin/js/dragdrop.js"}"></script>
-    <script src="{serendipity_getFile file='admin/js/jquery.tabs.js'}"></script>
-    <div class="tabs">
+    <script src="{serendipity_getFile file="admin/js/jquery.cookie.js"}"></script>
+    <script src="{serendipity_getFile file="admin/js/jquery.tabs.js"}"></script>
+    <div class="tabs" id="pluginlist_tabs">
         <section id="pluginlist_sidebar" class="panel"> 
             <h3>{$CONST.SIDEBAR_PLUGINS}</h3>
             <a class="button_link" href="?serendipity[adminModule]=plugins&amp;serendipity[adminAction]=addnew" title='{$CONST.CLICK_HERE_TO_INSTALL_PLUGIN|sprintf:"{$CONST.SIDEBAR_PLUGIN}"}'>Install a new sidebar plugin</a> {* i18n *}

templates/2k11/admin/serendipity_editor.js.tpl

@@ -30,6 +30,17 @@
         document.cookie = 'serendipity[' + name + ']='+escape(value) + ';expires=' + expire.toGMTString();
     }
 
+    serendipity.GetCookie = function(name) {
+        var nameEQ = name + "=";
+        var ca = document.cookie.split(';');
+        for(var i=0;i < ca.length;i++) {
+            var c = ca[i];
+            while (c.charAt(0)==' ') c = c.substring(1,c.length);
+            if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
+        }
+        return null;
+    }
+
     // Some sort of onload wrapper? @onli says jQuery can help with this
     serendipity.addLoadEvent = function(func) {
         var oldonload = window.onload;
@@ -1171,6 +1182,7 @@ var AccessifyHTML5 = function (defaults, more_fixes) {
 
     // Tabs
     if($('body').has('.tabs').size() > 0) {
+
         $('.tabs').accessibleTabs({
             wrapperClass: 'tabcontent',
             currentClass: 'on',
@@ -1180,7 +1192,8 @@ var AccessifyHTML5 = function (defaults, more_fixes) {
             fx: 'fadeIn',
             currentInfoText: 'Current tab: ', // i18n
             currentInfoClass: 'visuallyhidden',
-            syncheights: false
+            syncheights: false,
+            saveState: true
         });
     }