Add methods that compare notifications and mark elements as known.
[Sone.git] / src / main / resources / static / javascript / sone.js
1 /* Sone JavaScript functions. */
2
3 /* jQuery overrides. */
4 oldGetJson = jQuery.prototype.getJSON;
5 jQuery.prototype.getJSON = function(url, data, successCallback, errorCallback) {
6         if (typeof errorCallback == "undefined") {
7                 return oldGetJson(url, data, successCallback);
8         }
9         if (jQuery.isFunction(data)) {
10                 errorCallback = successCallback;
11                 successCallback = data;
12                 data = null;
13         }
14         return jQuery.ajax({
15                 data: data,
16                 error: errorCallback,
17                 success: successCallback,
18                 url: url
19         });
20 }
21
22 function isOnline() {
23         return $("#sone").hasClass("online");
24 }
25
26 function registerInputTextareaSwap(inputElement, defaultText, inputFieldName, optional, dontUseTextarea) {
27         $(inputElement).each(function() {
28                 textarea = $(dontUseTextarea ? "<input type=\"text\" name=\"" + inputFieldName + "\">" : "<textarea name=\"" + inputFieldName + "\"></textarea>").blur(function() {
29                         if ($(this).val() == "") {
30                                 $(this).hide();
31                                 inputField = $(this).data("inputField");
32                                 inputField.show().removeAttr("disabled").addClass("default");
33                                 inputField.val(defaultText);
34                         }
35                 }).hide().data("inputField", $(this)).val($(this).val());
36                 $(this).after(textarea);
37                 (function(inputField, textarea) {
38                         inputField.focus(function() {
39                                 $(this).hide().attr("disabled", "disabled");
40                                 /* no, show(), “display: block” is not what I need. */
41                                 textarea.attr("style", "display: inline").focus();
42                         });
43                         if (inputField.val() == "") {
44                                 inputField.addClass("default");
45                                 inputField.val(defaultText);
46                         } else {
47                                 inputField.hide().attr("disabled", "disabled");
48                                 textarea.show();
49                         }
50                         $(inputField.get(0).form).submit(function() {
51                                 inputField.attr("disabled", "disabled");
52                                 if (!optional && (textarea.val() == "")) {
53                                         inputField.removeAttr("disabled").focus();
54                                         return false;
55                                 }
56                         });
57                 })($(this), textarea);
58         });
59 }
60
61 /**
62  * Adds a “comment” link to all status lines contained in the given element.
63  *
64  * @param postId
65  *            The ID of the post
66  * @param element
67  *            The element to add a “comment” link to
68  */
69 function addCommentLink(postId, element, insertAfterThisElement) {
70         if (($(element).find(".show-reply-form").length > 0) || (getPostElement(element).find(".create-reply").length == 0)) {
71                 return;
72         }
73         commentElement = (function(postId) {
74                 separator = $("<span> · </span>").addClass("separator");
75                 var commentElement = $("<div><span>Comment</span></div>").addClass("show-reply-form").click(function() {
76                         replyElement = $("#sone .post#" + postId + " .create-reply");
77                         replyElement.removeClass("hidden");
78                         replyElement.removeClass("light");
79                         (function(replyElement) {
80                                 replyElement.find("input.reply-input").blur(function() {
81                                         if ($(this).hasClass("default")) {
82                                                 replyElement.addClass("light");
83                                         }
84                                 }).focus(function() {
85                                         replyElement.removeClass("light");
86                                 });
87                         })(replyElement);
88                         replyElement.find("input.reply-input").focus();
89                 });
90                 return commentElement;
91         })(postId);
92         $(insertAfterThisElement).after(commentElement.clone(true));
93         $(insertAfterThisElement).after(separator);
94 }
95
96 var translations = {};
97
98 /**
99  * Retrieves the translation for the given key and calls the callback function.
100  * The callback function takes a single parameter, the translated string.
101  *
102  * @param key
103  *            The key of the translation string
104  * @param callback
105  *            The callback function
106  */
107 function getTranslation(key, callback) {
108         if (key in translations) {
109                 callback(translations[key]);
110                 return;
111         }
112         $.getJSON("getTranslation.ajax", {"key": key}, function(data, textStatus) {
113                 if ((data != null) && data.success) {
114                         translations[key] = data.value;
115                         callback(data.value);
116                 }
117         }, function(xmlHttpRequest, textStatus, error) {
118                 /* ignore error. */
119         });
120 }
121
122 /**
123  * Filters the given Sone ID, replacing all “~” characters by an underscore.
124  *
125  * @param soneId
126  *            The Sone ID to filter
127  * @returns The filtered Sone ID
128  */
129 function filterSoneId(soneId) {
130         return soneId.replace(/[^a-zA-Z0-9-]/g, "_");
131 }
132
133 /**
134  * Updates the status of the given Sone.
135  *
136  * @param soneId
137  *            The ID of the Sone to update
138  * @param status
139  *            The status of the Sone (“idle”, “unknown”, “inserting”,
140  *            “downloading”)
141  * @param modified
142  *            Whether the Sone is modified
143  * @param locked
144  *            Whether the Sone is locked
145  * @param lastUpdated
146  *            The date and time of the last update (formatted for display)
147  */
148 function updateSoneStatus(soneId, name, status, modified, locked, lastUpdated) {
149         $("#sone .sone." + filterSoneId(soneId)).
150                 toggleClass("unknown", status == "unknown").
151                 toggleClass("idle", status == "idle").
152                 toggleClass("inserting", status == "inserting").
153                 toggleClass("downloading", status == "downloading").
154                 toggleClass("modified", modified);
155         $("#sone .sone." + filterSoneId(soneId) + " .lock").toggleClass("hidden", locked);
156         $("#sone .sone." + filterSoneId(soneId) + " .unlock").toggleClass("hidden", !locked);
157         if (lastUpdated != null) {
158                 $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(lastUpdated);
159         } else {
160                 getTranslation("View.Sone.Text.UnknownDate", function(unknown) {
161                         $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(unknown);
162                 });
163         }
164         $("#sone .sone." + filterSoneId(soneId) + " .profile-link a").text(name);
165 }
166
167 /**
168  * Enhances a “delete” button so that the confirmation is done on the same page.
169  *
170  * @param button
171  *            The button element
172  * @param text
173  *            The text to show on the button
174  * @param deleteCallback
175  *            The callback that actually deletes something
176  */
177 function enhanceDeleteButton(button, text, deleteCallback) {
178         (function(button) {
179                 newButton = $("<button></button>").addClass("confirm").hide().text(text).click(function() {
180                         $(this).fadeOut("slow");
181                         deleteCallback();
182                         return false;
183                 }).insertAfter(button);
184                 (function(button, newButton) {
185                         button.click(function() {
186                                 button.fadeOut("slow", function() {
187                                         newButton.fadeIn("slow");
188                                         $(document).one("click", function() {
189                                                 if (this != newButton.get(0)) {
190                                                         newButton.fadeOut(function() {
191                                                                 button.fadeIn();
192                                                         });
193                                                 }
194                                         });
195                                 });
196                                 return false;
197                         });
198                 })(button, newButton);
199         })($(button));
200 }
201
202 /**
203  * Enhances a post’s “delete” button.
204  *
205  * @param button
206  *            The button element
207  * @param postId
208  *            The ID of the post to delete
209  * @param text
210  *            The text to replace the button with
211  */
212 function enhanceDeletePostButton(button, postId, text) {
213         enhanceDeleteButton(button, text, function() {
214                 $.getJSON("deletePost.ajax", { "post": postId, "formPassword": getFormPassword() }, function(data, textStatus) {
215                         if (data == null) {
216                                 return;
217                         }
218                         if (data.success) {
219                                 $("#sone .post#" + postId).slideUp();
220                         } else if (data.error == "invalid-post-id") {
221                                 alert("Invalid post ID given!");
222                         } else if (data.error == "auth-required") {
223                                 alert("You need to be logged in.");
224                         } else if (data.error == "not-authorized") {
225                                 alert("You are not allowed to delete this post.");
226                         }
227                 }, function(xmlHttpRequest, textStatus, error) {
228                         /* ignore error. */
229                 });
230         });
231 }
232
233 /**
234  * Enhances a reply’s “delete” button.
235  *
236  * @param button
237  *            The button element
238  * @param replyId
239  *            The ID of the reply to delete
240  * @param text
241  *            The text to replace the button with
242  */
243 function enhanceDeleteReplyButton(button, replyId, text) {
244         enhanceDeleteButton(button, text, function() {
245                 $.getJSON("deleteReply.ajax", { "reply": replyId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
246                         if (data == null) {
247                                 return;
248                         }
249                         if (data.success) {
250                                 $("#sone .reply#" + replyId).slideUp();
251                         } else if (data.error == "invalid-reply-id") {
252                                 alert("Invalid reply ID given!");
253                         } else if (data.error == "auth-required") {
254                                 alert("You need to be logged in.");
255                         } else if (data.error == "not-authorized") {
256                                 alert("You are not allowed to delete this reply.");
257                         }
258                 }, function(xmlHttpRequest, textStatus, error) {
259                         /* ignore error. */
260                 });
261         });
262 }
263
264 function getFormPassword() {
265         return $("#sone #formPassword").text();
266 }
267
268 /**
269  * Returns the element of the Sone with the given ID.
270  *
271  * @param soneId
272  *            The ID of the Sone
273  * @returns All Sone elements with the given ID
274  */
275 function getSone(soneId) {
276         return $("#sone .sone").filter(function(index) {
277                 return $(".id").text() == soneId;
278         });
279 }
280
281 function getSoneElement(element) {
282         return $(element).closest(".sone");
283 }
284
285 /**
286  * Generates a list of Sones by concatening the names of the given sones with a
287  * new line character (“\n”).
288  *
289  * @param sones
290  *            The sones to format
291  * @returns {String} The created string
292  */
293 function generateSoneList(sones) {
294         var soneList = "";
295         $.each(sones, function() {
296                 if (soneList != "") {
297                         soneList += ", ";
298                 }
299                 soneList += this.name;
300         });
301         return soneList;
302 }
303
304 /**
305  * Returns the ID of the Sone that this element belongs to.
306  *
307  * @param element
308  *            The element to locate the matching Sone ID for
309  * @returns The ID of the Sone, or undefined
310  */
311 function getSoneId(element) {
312         return getSoneElement(element).find(".id").text();
313 }
314
315 /**
316  * Returns the element of the post with the given ID.
317  *
318  * @param postId
319  *            The ID of the post
320  * @returns The element of the post
321  */
322 function getPost(postId) {
323         return $("#sone .post#" + postId);
324 }
325
326 function getPostElement(element) {
327         return $(element).closest(".post");
328 }
329
330 function getPostId(element) {
331         return getPostElement(element).attr("id");
332 }
333
334 function getPostTime(element) {
335         return getPostElement(element).find(".post-time").text();
336 }
337
338 /**
339  * Returns the author of the post the given element belongs to.
340  *
341  * @param element
342  *            The element whose post to get the author for
343  * @returns The ID of the authoring Sone
344  */
345 function getPostAuthor(element) {
346         return getPostElement(element).find(".post-author").text();
347 }
348
349 /**
350  * Returns the element of the reply with the given ID.
351  *
352  * @param replyId
353  *            The ID of the reply
354  * @returns The element of the reply
355  */
356 function getReply(replyId) {
357         return $("#sone .reply#" + replyId);
358 }
359
360 function getReplyElement(element) {
361         return $(element).closest(".reply");
362 }
363
364 function getReplyId(element) {
365         return getReplyElement(element).attr("id");
366 }
367
368 function getReplyTime(element) {
369         return getReplyElement(element).find(".reply-time").text();
370 }
371
372 /**
373  * Returns the author of the reply the given element belongs to.
374  *
375  * @param element
376  *            The element whose reply to get the author for
377  * @returns The ID of the authoring Sone
378  */
379 function getReplyAuthor(element) {
380         return getReplyElement(element).find(".reply-author").text();
381 }
382
383 /**
384  * Returns the notification with the given ID.
385  *
386  * @param notificationId
387  *            The ID of the notification
388  * @returns The notification element
389  */
390 function getNotification(notificationId) {
391         return $("#sone #notification-area .notification#" + notificationId);
392 }
393
394 /**
395  * Returns the notification element closest to the given element.
396  *
397  * @param element
398  *            The element to get the closest notification of
399  * @return The closest notification element
400  */
401 function getNotificationElement(element) {
402         return $(element).closest(".notification");
403 }
404
405 /**
406  * Returns the ID of the notification element.
407  *
408  * @param notificationElement
409  *            The notification element
410  * @returns The ID of the notification
411  */
412 function getNotificationId(notificationElement) {
413         return $(notificationElement).attr("id");
414 }
415
416 function likePost(postId) {
417         $.getJSON("like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
418                 if ((data == null) || !data.success) {
419                         return;
420                 }
421                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
422                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
423                 updatePostLikes(postId);
424         }, function(xmlHttpRequest, textStatus, error) {
425                 /* ignore error. */
426         });
427 }
428
429 function unlikePost(postId) {
430         $.getJSON("unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
431                 if ((data == null) || !data.success) {
432                         return;
433                 }
434                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
435                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
436                 updatePostLikes(postId);
437         }, function(xmlHttpRequest, textStatus, error) {
438                 /* ignore error. */
439         });
440 }
441
442 function updatePostLikes(postId) {
443         $.getJSON("getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
444                 if ((data != null) && data.success) {
445                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0)
446                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
447                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
448                 }
449         }, function(xmlHttpRequest, textStatus, error) {
450                 /* ignore error. */
451         });
452 }
453
454 function likeReply(replyId) {
455         $.getJSON("like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
456                 if ((data == null) || !data.success) {
457                         return;
458                 }
459                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
460                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
461                 updateReplyLikes(replyId);
462         }, function(xmlHttpRequest, textStatus, error) {
463                 /* ignore error. */
464         });
465 }
466
467 function unlikeReply(replyId) {
468         $.getJSON("unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
469                 if ((data == null) || !data.success) {
470                         return;
471                 }
472                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
473                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
474                 updateReplyLikes(replyId);
475         }, function(xmlHttpRequest, textStatus, error) {
476                 /* ignore error. */
477         });
478 }
479
480 /**
481  * Trusts the Sone with the given ID.
482  *
483  * @param soneId
484  *            The ID of the Sone to trust
485  */
486 function trustSone(soneId) {
487         $.getJSON("trustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
488                 if ((data != null) && data.success) {
489                         updateTrustControls(soneId, data.trustValue);
490                 }
491         });
492 }
493
494 /**
495  * Distrusts the Sone with the given ID, i.e. assigns a negative trust value.
496  *
497  * @param soneId
498  *            The ID of the Sone to distrust
499  */
500 function distrustSone(soneId) {
501         $.getJSON("distrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
502                 if ((data != null) && data.success) {
503                         updateTrustControls(soneId, data.trustValue);
504                 }
505         });
506 }
507
508 /**
509  * Untrusts the Sone with the given ID, i.e. removes any trust assignment.
510  *
511  * @param soneId
512  *            The ID of the Sone to untrust
513  */
514 function untrustSone(soneId) {
515         $.getJSON("untrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
516                 if ((data != null) && data.success) {
517                         updateTrustControls(soneId, data.trustValue);
518                 }
519         });
520 }
521
522 /**
523  * Updates the trust controls for all posts and replies of the given Sone,
524  * according to the given trust value.
525  *
526  * @param soneId
527  *            The ID of the Sone to update all trust controls for
528  * @param trustValue
529  *            The trust value for the Sone
530  */
531 function updateTrustControls(soneId, trustValue) {
532         $("#sone .post").each(function() {
533                 if (getPostAuthor(this) == soneId) {
534                         getPostElement(this).find(".post-trust").toggleClass("hidden", trustValue != null);
535                         getPostElement(this).find(".post-distrust").toggleClass("hidden", trustValue != null);
536                         getPostElement(this).find(".post-untrust").toggleClass("hidden", trustValue == null);
537                 }
538         });
539         $("#sone .reply").each(function() {
540                 if (getReplyAuthor(this) == soneId) {
541                         getReplyElement(this).find(".reply-trust").toggleClass("hidden", trustValue != null);
542                         getReplyElement(this).find(".reply-distrust").toggleClass("hidden", trustValue != null);
543                         getReplyElement(this).find(".reply-untrust").toggleClass("hidden", trustValue == null);
544                 }
545         });
546 }
547
548 /**
549  * Bookmarks the post with the given ID.
550  *
551  * @param postId
552  *            The ID of the post to bookmark
553  */
554 function bookmarkPost(postId) {
555         (function(postId) {
556                 $.getJSON("bookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
557                         if ((data != null) && data.success) {
558                                 getPost(postId).find(".bookmark").toggleClass("hidden", true);
559                                 getPost(postId).find(".unbookmark").toggleClass("hidden", false);
560                         }
561                 });
562         })(postId);
563 }
564
565 /**
566  * Unbookmarks the post with the given ID.
567  *
568  * @param postId
569  *            The ID of the post to unbookmark
570  */
571 function unbookmarkPost(postId) {
572         $.getJSON("unbookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
573                 if ((data != null) && data.success) {
574                         getPost(postId).find(".bookmark").toggleClass("hidden", false);
575                         getPost(postId).find(".unbookmark").toggleClass("hidden", true);
576                 }
577         });
578 }
579
580 function updateReplyLikes(replyId) {
581         $.getJSON("getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
582                 if ((data != null) && data.success) {
583                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0)
584                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
585                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
586                 }
587         }, function(xmlHttpRequest, textStatus, error) {
588                 /* ignore error. */
589         });
590 }
591
592 /**
593  * Posts a reply and calls the given callback when the request finishes.
594  *
595  * @param sender
596  *            The ID of the sender
597  * @param postId
598  *            The ID of the post the reply refers to
599  * @param text
600  *            The text to post
601  * @param callbackFunction
602  *            The callback function to call when the request finishes (takes 3
603  *            parameters: success, error, replyId)
604  */
605 function postReply(sender, postId, text, callbackFunction) {
606         $.getJSON("createReply.ajax", { "formPassword" : getFormPassword(), "sender": sender, "post" : postId, "text": text }, function(data, textStatus) {
607                 if (data == null) {
608                         /* TODO - show error */
609                         return;
610                 }
611                 if (data.success) {
612                         callbackFunction(true, null, data.reply, data.sone);
613                 } else {
614                         callbackFunction(false, data.error);
615                 }
616         }, function(xmlHttpRequest, textStatus, error) {
617                 /* ignore error. */
618         });
619 }
620
621 /**
622  * Ajaxifies the given Sone by enhancing all eligible elements with AJAX.
623  *
624  * @param soneElement
625  *            The Sone to ajaxify
626  */
627 function ajaxifySone(soneElement) {
628         /*
629          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
630          * nicer.
631          */
632         $(".follow", soneElement).submit(function() {
633                 var followElement = this;
634                 $.getJSON("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
635                         $(followElement).addClass("hidden");
636                         $(followElement).parent().find(".unfollow").removeClass("hidden");
637                 });
638                 return false;
639         });
640         $(".unfollow", soneElement).submit(function() {
641                 var unfollowElement = this;
642                 $.getJSON("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
643                         $(unfollowElement).addClass("hidden");
644                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
645                 });
646                 return false;
647         });
648         $(".lock", soneElement).submit(function() {
649                 var lockElement = this;
650                 $.getJSON("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
651                         $(lockElement).addClass("hidden");
652                         $(lockElement).parent().find(".unlock").removeClass("hidden");
653                 });
654                 return false;
655         });
656         $(".unlock", soneElement).submit(function() {
657                 var unlockElement = this;
658                 $.getJSON("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
659                         $(unlockElement).addClass("hidden");
660                         $(unlockElement).parent().find(".lock").removeClass("hidden");
661                 });
662                 return false;
663         });
664
665         /* mark Sone as known when clicking it. */
666         $(soneElement).click(function() {
667                 markSoneAsKnown(soneElement);
668         });
669 }
670
671 /**
672  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
673  *
674  * @param postElement
675  *            The post element to ajaxify
676  */
677 function ajaxifyPost(postElement) {
678         $(postElement).find("form").submit(function() {
679                 return false;
680         });
681         $(postElement).find(".create-reply button:submit").click(function() {
682                 button = $(this);
683                 button.attr("disabled", "disabled");
684                 sender = $(this.form).find(":input[name=sender]").val();
685                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
686                 postId = getPostId(this);
687                 text = $(inputField).val();
688                 (function(sender, postId, text, inputField) {
689                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
690                                 if (success) {
691                                         $(inputField).val("");
692                                         loadNewReply(replyId, soneId, postId);
693                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
694                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
695                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
696                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
697                                 } else {
698                                         alert(error);
699                                 }
700                                 button.removeAttr("disabled");
701                         });
702                 })(sender, postId, text, inputField);
703                 return false;
704         });
705
706         /* replace all “delete” buttons with javascript. */
707         (function(postElement) {
708                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
709                         postId = getPostId(postElement);
710                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
711                 });
712         })(postElement);
713
714         /* convert all “like” buttons to javascript functions. */
715         $(postElement).find(".like-post").submit(function() {
716                 likePost(getPostId(this));
717                 return false;
718         });
719         $(postElement).find(".unlike-post").submit(function() {
720                 unlikePost(getPostId(this));
721                 return false;
722         });
723
724         /* convert trust control buttons to javascript functions. */
725         $(postElement).find(".post-trust").submit(function() {
726                 trustSone(getPostAuthor(this));
727                 return false;
728         });
729         $(postElement).find(".post-distrust").submit(function() {
730                 distrustSone(getPostAuthor(this));
731                 return false;
732         });
733         $(postElement).find(".post-untrust").submit(function() {
734                 untrustSone(getPostAuthor(this));
735                 return false;
736         });
737
738         /* convert bookmark/unbookmark buttons to javascript functions. */
739         $(postElement).find(".bookmark").submit(function() {
740                 bookmarkPost(getPostId(this));
741                 return false;
742         });
743         $(postElement).find(".unbookmark").submit(function() {
744                 unbookmarkPost(getPostId(this));
745                 return false;
746         });
747
748         /* convert “show source” link into javascript function. */
749         $(postElement).find(".show-source").each(function() {
750                 $("a", this).click(function() {
751                         $(".post-text.text", getPostElement(this)).toggleClass("hidden");
752                         $(".post-text.raw-text", getPostElement(this)).toggleClass("hidden");
753                         return false;
754                 });
755         });
756
757         /* add “comment” link. */
758         addCommentLink(getPostId(postElement), postElement, $(postElement).find(".post-status-line .time"));
759
760         /* process all replies. */
761         replyIds = [];
762         $(postElement).find(".reply").each(function() {
763                 replyIds.push(getReplyId(this));
764                 ajaxifyReply(this);
765         });
766         updateReplyTimes(replyIds.join(","));
767
768         /* process reply input fields. */
769         getTranslation("WebInterface.DefaultText.Reply", function(text) {
770                 $(postElement).find("input.reply-input").each(function() {
771                         registerInputTextareaSwap(this, text, "text", false, false);
772                 });
773         });
774
775         /* process sender selection. */
776         $(".select-sender", postElement).css("display", "inline");
777         $(".sender", postElement).hide();
778         $(".select-sender button", postElement).click(function() {
779                 $(".sender", postElement).show();
780                 $(".select-sender", postElement).hide();
781                 return false;
782         });
783
784         /* mark everything as known on click. */
785         $(postElement).click(function(event) {
786                 if ($(event.target).hasClass("click-to-show")) {
787                         return false;
788                 }
789                 markPostAsKnown(this);
790         });
791
792         /* hide reply input field. */
793         $(postElement).find(".create-reply").addClass("hidden");
794 }
795
796 /**
797  * Ajaxifies the given reply element.
798  *
799  * @param replyElement
800  *            The reply element to ajaxify
801  */
802 function ajaxifyReply(replyElement) {
803         $(replyElement).find(".like-reply").submit(function() {
804                 likeReply(getReplyId(this));
805                 return false;
806         });
807         $(replyElement).find(".unlike-reply").submit(function() {
808                 unlikeReply(getReplyId(this));
809                 return false;
810         });
811         (function(replyElement) {
812                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
813                         $(replyElement).find(".delete-reply button").each(function() {
814                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
815                         });
816                 });
817         })(replyElement);
818         addCommentLink(getPostId(replyElement), replyElement, $(replyElement).find(".reply-status-line .time"));
819
820         /* convert “show source” link into javascript function. */
821         $(replyElement).find(".show-reply-source").each(function() {
822                 $("a", this).click(function() {
823                         $(".reply-text.text", getReplyElement(this)).toggleClass("hidden");
824                         $(".reply-text.raw-text", getReplyElement(this)).toggleClass("hidden");
825                         return false;
826                 });
827         });
828
829         /* convert trust control buttons to javascript functions. */
830         $(replyElement).find(".reply-trust").submit(function() {
831                 trustSone(getReplyAuthor(this));
832                 return false;
833         });
834         $(replyElement).find(".reply-distrust").submit(function() {
835                 distrustSone(getReplyAuthor(this));
836                 return false;
837         });
838         $(replyElement).find(".reply-untrust").submit(function() {
839                 untrustSone(getReplyAuthor(this));
840                 return false;
841         });
842 }
843
844 /**
845  * Ajaxifies the given notification by replacing the form with AJAX.
846  *
847  * @param notification
848  *            jQuery object representing the notification.
849  */
850 function ajaxifyNotification(notification) {
851         notification.find("form").submit(function() {
852                 return false;
853         });
854         notification.find("input[name=returnPage]").val($.url.attr("relative"));
855         if (notification.find(".short-text").length > 0) {
856                 notification.find(".short-text").removeClass("hidden");
857                 notification.find(".text").addClass("hidden");
858         }
859         notification.find("form.mark-as-read button").click(function() {
860                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": $(":input[name=id]", this.form).val()});
861         });
862         notification.find("a[class^='link-']").each(function() {
863                 linkElement = $(this);
864                 if (linkElement.is("[href^='viewPost']")) {
865                         id = linkElement.attr("class").substr(5);
866                         if (hasPost(id)) {
867                                 linkElement.attr("href", "#post-" + id);
868                         }
869                 }
870         });
871         notification.find("form.dismiss button").click(function() {
872                 $.getJSON("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
873                         /* dismiss in case of error, too. */
874                         notification.slideUp();
875                 }, function(xmlHttpRequest, textStatus, error) {
876                         /* ignore error. */
877                 });
878         });
879         return notification;
880 }
881
882 /**
883  * Retrieves element IDs from notification elements.
884  *
885  * @param notification
886  *            The notification element
887  * @param selector
888  *            The selector of the element containing the ID as text
889  * @returns All extracted IDs
890  */
891 function getElementIds(notification, selector) {
892         elementIds = [];
893         $(selector, notification).each(function() {
894                 elementIds.push($(this).text());
895         });
896         return elementIds;
897 }
898
899 /**
900  * Compares the given notification elements and calls {@link #markSoneAsKnown()}
901  * for every ID that is contained in the old notification but not in the new.
902  *
903  * @param oldNotification
904  *            The old notification element
905  * @param newNotification
906  *            The new notification element
907  */
908 function checkForRemovedSones(oldNotification, newNotification) {
909         if (getNotificationId(oldNotification) != "new-sone-notification") {
910                 return;
911         }
912         oldIds = getElementIds(oldNotification, ".sone-id");
913         newIds = getElementIds(newNotification, ".sone-id");
914         $.each(oldIds, function(index, value) {
915                 if ($.inArray(value, newIds) == -1) {
916                         markSoneAsKnown(getSone(value), true);
917                 }
918         });
919 }
920
921 /**
922  * Compares the given notification elements and calls {@link #markPostAsKnown()}
923  * for every ID that is contained in the old notification but not in the new.
924  *
925  * @param oldNotification
926  *            The old notification element
927  * @param newNotification
928  *            The new notification element
929  */
930 function checkForRemovedPosts(oldNotification, newNotification) {
931         if (getNotificationId(oldNotification) != "new-post-notification") {
932                 return;
933         }
934         oldIds = getElementIds(oldNotification, ".post-id");
935         newIds = getElementIds(newNotification, ".post-id");
936         $.each(oldIds, function(index, value) {
937                 if ($.inArray(value, newIds) == -1) {
938                         markPostAsKnown(getPost(value), true);
939                 }
940         });
941 }
942
943 /**
944  * Compares the given notification elements and calls
945  * {@link #markReplyAsKnown()} for every ID that is contained in the old
946  * notification but not in the new.
947  *
948  * @param oldNotification
949  *            The old notification element
950  * @param newNotification
951  *            The new notification element
952  */
953 function checkForRemovedReplies(oldNotification, newNotification) {
954         if (getNotificationId(oldNotification) != "new-replies-notification") {
955                 return;
956         }
957         oldIds = getElementIds(oldNotification, ".reply-id");
958         newIds = getElementIds(newNotification, ".reply-id");
959         $.each(oldIds, function(index, value) {
960                 if ($.inArray(value, newIds) == -1) {
961                         markReplyAsKnown(getReply(value), true);
962                 }
963         });
964 }
965
966 function getStatus() {
967         $.getJSON("getStatus.ajax", {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
968                 if ((data != null) && data.success) {
969                         /* process Sone information. */
970                         $.each(data.sones, function(index, value) {
971                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated);
972                         });
973                         /* search for removed notifications. */
974                         $("#sone #notification-area .notification").each(function() {
975                                 notificationId = $(this).attr("id");
976                                 foundNotification = false;
977                                 $.each(data.notifications, function(index, value) {
978                                         if (value.id == notificationId) {
979                                                 foundNotification = true;
980                                                 return false;
981                                         }
982                                 });
983                                 if (!foundNotification) {
984                                         $(this).slideUp("normal", function() {
985                                                 $(this).remove();
986                                         });
987                                 }
988                         });
989                         /* process notifications. */
990                         $.each(data.notifications, function(index, value) {
991                                 oldNotification = getNotification(value.id);
992                                 notification = ajaxifyNotification(createNotification(value.id, value.text, value.dismissable)).hide();
993                                 if (oldNotification.length != 0) {
994                                         if ((oldNotification.find(".short-text").length > 0) && (notification.find(".short-text").length > 0)) {
995                                                 opened = oldNotification.is(":visible") && oldNotification.find(".short-text").hasClass("hidden");
996                                                 notification.find(".short-text").toggleClass("hidden", opened);
997                                                 notification.find(".text").toggleClass("hidden", !opened);
998                                         }
999                                         oldNotification.replaceWith(notification.show());
1000                                 } else {
1001                                         $("#sone #notification-area").append(notification);
1002                                         notification.slideDown();
1003                                         setActivity();
1004                                 }
1005                         });
1006                         /* process new posts. */
1007                         $.each(data.newPosts, function(index, value) {
1008                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
1009                         });
1010                         /* process new replies. */
1011                         $.each(data.newReplies, function(index, value) {
1012                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
1013                         });
1014                         /* do it again in 5 seconds. */
1015                         setTimeout(getStatus, 5000);
1016                 } else {
1017                         /* data.success was false, wait 30 seconds. */
1018                         setTimeout(getStatus, 30000);
1019                 }
1020         }, function(xmlHttpRequest, textStatus, error) {
1021                 /* something really bad happend, wait a minute. */
1022                 setTimeout(getStatus, 60000);
1023         })
1024 }
1025
1026 /**
1027  * Returns the ID of the currently logged in Sone.
1028  *
1029  * @return The ID of the current Sone, or an empty string if no Sone is logged
1030  *         in
1031  */
1032 function getCurrentSoneId() {
1033         return $("#currentSoneId").text();
1034 }
1035
1036 /**
1037  * Returns the content of the page-id attribute.
1038  *
1039  * @returns The page ID
1040  */
1041 function getPageId() {
1042         return $("#sone .page-id").text();
1043 }
1044
1045 /**
1046  * Returns whether the current page is the index page.
1047  *
1048  * @returns {Boolean} <code>true</code> if the current page is the index page,
1049  *          <code>false</code> otherwise
1050  */
1051 function isIndexPage() {
1052         return getPageId() == "index";
1053 }
1054
1055 /**
1056  * Returns whether the current page is a “view Sone” page.
1057  *
1058  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
1059  *          page, <code>false</code> otherwise
1060  */
1061 function isViewSonePage() {
1062         return getPageId() == "view-sone";
1063 }
1064
1065 /**
1066  * Returns the ID of the currently shown Sone. This will only return a sensible
1067  * value if isViewSonePage() returns <code>true</code>.
1068  *
1069  * @returns The ID of the currently shown Sone
1070  */
1071 function getShownSoneId() {
1072         return $("#sone .sone-id").text();
1073 }
1074
1075 /**
1076  * Returns whether the current page is a “view post” page.
1077  *
1078  * @returns {Boolean} <code>true</code> if the current page is a “view post”
1079  *          page, <code>false</code> otherwise
1080  */
1081 function isViewPostPage() {
1082         return getPageId() == "view-post";
1083 }
1084
1085 /**
1086  * Returns the ID of the currently shown post. This will only return a sensible
1087  * value if isViewPostPage() returns <code>true</code>.
1088  *
1089  * @returns The ID of the currently shown post
1090  */
1091 function getShownPostId() {
1092         return $("#sone .post-id").text();
1093 }
1094
1095 /**
1096  * Returns whether the current page is the “known Sones” page.
1097  *
1098  * @returns {Boolean} <code>true</code> if the current page is the “known
1099  *          Sones” page, <code>false</code> otherwise
1100  */
1101 function isKnownSonesPage() {
1102         return getPageId() == "known-sones";
1103 }
1104
1105 /**
1106  * Returns whether a post with the given ID exists on the current page.
1107  *
1108  * @param postId
1109  *            The post ID to check for
1110  * @returns {Boolean} <code>true</code> if a post with the given ID already
1111  *          exists on the page, <code>false</code> otherwise
1112  */
1113 function hasPost(postId) {
1114         return $(".post#" + postId).length > 0;
1115 }
1116
1117 /**
1118  * Returns whether a reply with the given ID exists on the current page.
1119  *
1120  * @param replyId
1121  *            The reply ID to check for
1122  * @returns {Boolean} <code>true</code> if a reply with the given ID already
1123  *          exists on the page, <code>false</code> otherwise
1124  */
1125 function hasReply(replyId) {
1126         return $("#sone .reply#" + replyId).length > 0;
1127 }
1128
1129 function loadNewPost(postId, soneId, recipientId, time) {
1130         if (hasPost(postId)) {
1131                 return;
1132         }
1133         if (!isIndexPage()) {
1134                 if (!isViewPostPage() || (getShownPostId() != postId)) {
1135                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId))) {
1136                                 return;
1137                         }
1138                 }
1139         }
1140         if (getPostTime($("#sone .post").last()) > time) {
1141                 return;
1142         }
1143         $.getJSON("getPost.ajax", { "post" : postId }, function(data, textStatus) {
1144                 if ((data != null) && data.success) {
1145                         if (hasPost(data.post.id)) {
1146                                 return;
1147                         }
1148                         if (!isIndexPage() && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient)))) {
1149                                 return;
1150                         }
1151                         var firstOlderPost = null;
1152                         $("#sone .post").each(function() {
1153                                 if (getPostTime(this) < data.post.time) {
1154                                         firstOlderPost = $(this);
1155                                         return false;
1156                                 }
1157                         });
1158                         newPost = $(data.post.html).addClass("hidden");
1159                         if (firstOlderPost != null) {
1160                                 newPost.insertBefore(firstOlderPost);
1161                         }
1162                         ajaxifyPost(newPost);
1163                         updatePostTimes(data.post.id);
1164                         newPost.slideDown();
1165                         setActivity();
1166                 }
1167         });
1168 }
1169
1170 function loadNewReply(replyId, soneId, postId, postSoneId) {
1171         if (hasReply(replyId)) {
1172                 return;
1173         }
1174         if (!hasPost(postId)) {
1175                 return;
1176         }
1177         $.getJSON("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
1178                 /* find post. */
1179                 if ((data != null) && data.success) {
1180                         if (hasReply(data.reply.id)) {
1181                                 return;
1182                         }
1183                         $("#sone .post#" + data.reply.postId).each(function() {
1184                                 var firstNewerReply = null;
1185                                 $(this).find(".replies .reply").each(function() {
1186                                         if (getReplyTime(this) > data.reply.time) {
1187                                                 firstNewerReply = $(this);
1188                                                 return false;
1189                                         }
1190                                 });
1191                                 newReply = $(data.reply.html).addClass("hidden");
1192                                 if (firstNewerReply != null) {
1193                                         newReply.insertBefore(firstNewerReply);
1194                                 } else {
1195                                         if ($(this).find(".replies .create-reply")) {
1196                                                 $(this).find(".replies .create-reply").before(newReply);
1197                                         } else {
1198                                                 $(this).find(".replies").append(newReply);
1199                                         }
1200                                 }
1201                                 ajaxifyReply(newReply);
1202                                 updateReplyTimes(data.reply.id);
1203                                 newReply.slideDown();
1204                                 setActivity();
1205                                 return false;
1206                         });
1207                 }
1208         });
1209 }
1210
1211 /**
1212  * Marks the given Sone as known if it is still new.
1213  *
1214  * @param soneElement
1215  *            The Sone to mark as known
1216  * @param skipRequest
1217  *            true to skip the JSON request, false or omit to perform the JSON
1218  *            request
1219  */
1220 function markSoneAsKnown(soneElement, skipRequest) {
1221         if ($(".new", soneElement).length > 0) {
1222                 if ((typeof skipRequest != "undefined") && !skipRequest) {
1223                         $.getJSON("maskAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)}, function(data, textStatus) {
1224                                 $(soneElement).removeClass("new");
1225                         });
1226                 }
1227         }
1228 }
1229
1230 function markPostAsKnown(postElements, skipRequest) {
1231         $(postElements).each(function() {
1232                 postElement = this;
1233                 if ($(postElement).hasClass("new")) {
1234                         (function(postElement) {
1235                                 $(postElement).removeClass("new");
1236                                 $(".click-to-show", postElement).removeClass("new");
1237                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1238                                         $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)});
1239                                 }
1240                         })(postElement);
1241                 }
1242         });
1243         markReplyAsKnown($(postElements).find(".reply"));
1244 }
1245
1246 function markReplyAsKnown(replyElements, skipRequest) {
1247         $(replyElements).each(function() {
1248                 replyElement = this;
1249                 if ($(replyElement).hasClass("new")) {
1250                         (function(replyElement) {
1251                                 $(replyElement).removeClass("new");
1252                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1253                                         $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)});
1254                                 }
1255                         })(replyElement);
1256                 }
1257         });
1258 }
1259
1260 /**
1261  * Updates the time of the post with the given ID.
1262  *
1263  * @param postId
1264  *            The ID of the post to update
1265  * @param timeText
1266  *            The text of the time to show
1267  * @param refreshTime
1268  *            The refresh time after which to request a new time (in seconds)
1269  * @param tooltip
1270  *            The tooltip to show
1271  */
1272 function updatePostTime(postId, timeText, refreshTime, tooltip) {
1273         if (!getPost(postId).is(":visible")) {
1274                 return;
1275         }
1276         getPost(postId).find(".post-status-line > .time a").html(timeText).attr("title", tooltip);
1277         (function(postId, refreshTime) {
1278                 setTimeout(function() {
1279                         updatePostTimes(postId);
1280                 }, refreshTime * 1000);
1281         })(postId, refreshTime);
1282 }
1283
1284 /**
1285  * Requests new rendered times for the posts with the given IDs.
1286  *
1287  * @param postIds
1288  *            Comma-separated post IDs
1289  */
1290 function updatePostTimes(postIds) {
1291         $.getJSON("getTimes.ajax", { "posts" : postIds }, function(data, textStatus) {
1292                 if ((data != null) && data.success) {
1293                         $.each(data.postTimes, function(index, value) {
1294                                 updatePostTime(index, value.timeText, value.refreshTime, value.tooltip);
1295                         });
1296                 }
1297         });
1298 }
1299
1300 /**
1301  * Updates the time of the reply with the given ID.
1302  *
1303  * @param postId
1304  *            The ID of the reply to update
1305  * @param timeText
1306  *            The text of the time to show
1307  * @param refreshTime
1308  *            The refresh time after which to request a new time (in seconds)
1309  * @param tooltip
1310  *            The tooltip to show
1311  */
1312 function updateReplyTime(replyId, timeText, refreshTime, tooltip) {
1313         if (!getReply(replyId).is(":visible")) {
1314                 return;
1315         }
1316         getReply(replyId).find(".reply-status-line > .time").html(timeText).attr("title", tooltip);
1317         (function(replyId, refreshTime) {
1318                 setTimeout(function() {
1319                         updateReplyTimes(replyId);
1320                 }, refreshTime * 1000);
1321         })(replyId, refreshTime);
1322 }
1323
1324 /**
1325  * Requests new rendered times for the posts with the given IDs.
1326  *
1327  * @param postIds
1328  *            Comma-separated post IDs
1329  */
1330 function updateReplyTimes(replyIds) {
1331         $.getJSON("getTimes.ajax", { "replies" : replyIds }, function(data, textStatus) {
1332                 if ((data != null) && data.success) {
1333                         $.each(data.replyTimes, function(index, value) {
1334                                 updateReplyTime(index, value.timeText, value.refreshTime, value.tooltip);
1335                         });
1336                 }
1337         });
1338 }
1339
1340 function resetActivity() {
1341         title = document.title;
1342         if (title.indexOf('(') == 0) {
1343                 setTitle(title.substr(title.indexOf(' ') + 1));
1344         }
1345 }
1346
1347 function setActivity() {
1348         if (!focus) {
1349                 title = document.title;
1350                 if (title.indexOf('(') != 0) {
1351                         setTitle("(!) " + title);
1352                 }
1353                 if (!iconBlinking) {
1354                         setTimeout(toggleIcon, 1500);
1355                         iconBlinking = true;
1356                 }
1357         }
1358 }
1359
1360 /**
1361  * Sets the window title after a small delay to prevent race-condition issues.
1362  *
1363  * @param title
1364  *            The title to set
1365  */
1366 function setTitle(title) {
1367         setTimeout(function() {
1368                 document.title = title;
1369         }, 50);
1370 }
1371
1372 /** Whether the icon is currently showing activity. */
1373 var iconActive = false;
1374
1375 /** Whether the icon is currently supposed to blink. */
1376 var iconBlinking = false;
1377
1378 /**
1379  * Toggles the icon. If the window has gained focus and the icon is still
1380  * showing the activity state, it is returned to normal.
1381  */
1382 function toggleIcon() {
1383         if (focus) {
1384                 if (iconActive) {
1385                         changeIcon("images/icon.png");
1386                         iconActive = false;
1387                 }
1388                 iconBlinking = false;
1389         } else {
1390                 iconActive = !iconActive;
1391                 changeIcon(iconActive ? "images/icon-activity.png" : "images/icon.png");
1392                 setTimeout(toggleIcon, 1500);
1393         }
1394 }
1395
1396 /**
1397  * Changes the icon of the page.
1398  *
1399  * @param iconUrl
1400  *            The new URL of the icon
1401  */
1402 function changeIcon(iconUrl) {
1403         $("link[rel=icon]").remove();
1404         $("head").append($("<link>").attr("rel", "icon").attr("type", "image/png").attr("href", iconUrl));
1405         $("iframe[id=icon-update]")[0].src += "";
1406 }
1407
1408 /**
1409  * Creates a new notification.
1410  *
1411  * @param id
1412  *            The ID of the notificaiton
1413  * @param text
1414  *            The text of the notification
1415  * @param dismissable
1416  *            <code>true</code> if the notification can be dismissed by the
1417  *            user
1418  */
1419 function createNotification(id, text, dismissable) {
1420         notification = $("<div></div>").addClass("notification").attr("id", id);
1421         if (dismissable) {
1422                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id")
1423                 dismissForm.find("input[name=notification]").val(id);
1424                 notification.append(dismissForm);
1425         }
1426         notification.append(text);
1427         return notification;
1428 }
1429
1430 /**
1431  * Shows the details of the notification with the given ID.
1432  *
1433  * @param notificationId
1434  *            The ID of the notification
1435  */
1436 function showNotificationDetails(notificationId) {
1437         $("#sone .notification#" + notificationId + " .text").removeClass("hidden");
1438         $("#sone .notification#" + notificationId + " .short-text").addClass("hidden");
1439 }
1440
1441 /**
1442  * Deletes the field with the given ID from the profile.
1443  *
1444  * @param fieldId
1445  *            The ID of the field to delete
1446  */
1447 function deleteProfileField(fieldId) {
1448         $.getJSON("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1449                 if (data && data.success) {
1450                         $("#sone .profile-field#" + data.field.id).slideUp();
1451                 }
1452         });
1453 }
1454
1455 /**
1456  * Renames a profile field.
1457  *
1458  * @param fieldId
1459  *            The ID of the field to rename
1460  * @param newName
1461  *            The new name of the field
1462  * @param successFunction
1463  *            Called when the renaming was successful
1464  */
1465 function editProfileField(fieldId, newName, successFunction) {
1466         $.getJSON("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1467                 if (data && data.success) {
1468                         successFunction();
1469                 }
1470         });
1471 }
1472
1473 /**
1474  * Moves the profile field with the given ID one slot in the given direction.
1475  *
1476  * @param fieldId
1477  *            The ID of the field to move
1478  * @param direction
1479  *            The direction to move in (“up” or “down”)
1480  * @param successFunction
1481  *            Function to call on success
1482  */
1483 function moveProfileField(fieldId, direction, successFunction) {
1484         $.getJSON("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1485                 if (data && data.success) {
1486                         successFunction();
1487                 }
1488         });
1489 }
1490
1491 /**
1492  * Moves the profile field with the given ID up one slot.
1493  *
1494  * @param fieldId
1495  *            The ID of the field to move
1496  * @param successFunction
1497  *            Function to call on success
1498  */
1499 function moveProfileFieldUp(fieldId, successFunction) {
1500         moveProfileField(fieldId, "up", successFunction);
1501 }
1502
1503 /**
1504  * Moves the profile field with the given ID down one slot.
1505  *
1506  * @param fieldId
1507  *            The ID of the field to move
1508  * @param successFunction
1509  *            Function to call on success
1510  */
1511 function moveProfileFieldDown(fieldId, successFunction) {
1512         moveProfileField(fieldId, "down", successFunction);
1513 }
1514
1515 //
1516 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1517 //
1518
1519 var focus = true;
1520
1521 $(document).ready(function() {
1522
1523         /* this initializes the status update input field. */
1524         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1525                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1526                 $("#sone #update-status .select-sender").css("display", "inline");
1527                 $("#sone #update-status .sender").hide();
1528                 $("#sone #update-status .select-sender button").click(function() {
1529                         $("#sone #update-status .sender").show();
1530                         $("#sone #update-status .select-sender").hide();
1531                         return false;
1532                 });
1533                 $("#sone #update-status").submit(function() {
1534                         button = $("button:submit", this);
1535                         button.attr("disabled", "disabled");
1536                         if ($(this).find(":input.default:enabled").length > 0) {
1537                                 return false;
1538                         }
1539                         sender = $(this).find(":input[name=sender]").val();
1540                         text = $(this).find(":input[name=text]:enabled").val();
1541                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1542                                 if ((data != null) && data.success) {
1543                                         loadNewPost(data.postId, data.sone, data.recipient);
1544                                 }
1545                                 button.removeAttr("disabled");
1546                         });
1547                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1548                         $(this).find(":input[name=text]:enabled").val("").blur();
1549                         $(this).find(".sender").hide();
1550                         $(this).find(".select-sender").show();
1551                         return false;
1552                 });
1553         });
1554
1555         /* ajaxify the search input field. */
1556         getTranslation("WebInterface.DefaultText.Search", function(defaultText) {
1557                 registerInputTextareaSwap("#sone #search input[name=query]", defaultText, "query", false, true);
1558         });
1559
1560         /* ajaxify input field on “view Sone” page. */
1561         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1562                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1563                 $("#sone #post-message .select-sender").css("display", "inline");
1564                 $("#sone #post-message .sender").hide();
1565                 $("#sone #post-message .select-sender button").click(function() {
1566                         $("#sone #post-message .sender").show();
1567                         $("#sone #post-message .select-sender").hide();
1568                         return false;
1569                 });
1570                 $("#sone #post-message").submit(function() {
1571                         sender = $(this).find(":input[name=sender]").val();
1572                         text = $(this).find(":input[name=text]:enabled").val();
1573                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "sender": sender, "text": text }, function(data, textStatus) {
1574                                 if ((data != null) && data.success) {
1575                                         loadNewPost(data.postId, getCurrentSoneId());
1576                                 }
1577                         });
1578                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1579                         $(this).find(":input[name=text]:enabled").val("").blur();
1580                         $(this).find(".sender").hide();
1581                         $(this).find(".select-sender").show();
1582                         return false;
1583                 });
1584         });
1585
1586         /* Ajaxifies all posts. */
1587         /* calling getTranslation here will cache the necessary values. */
1588         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1589                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1590                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1591                                 $("#sone .post").each(function() {
1592                                         ajaxifyPost(this);
1593                                 });
1594                         });
1595                 });
1596         });
1597
1598         /* update post times. */
1599         postIds = [];
1600         $("#sone .post").each(function() {
1601                 postIds.push(getPostId(this));
1602         });
1603         updatePostTimes(postIds.join(","));
1604
1605         /* hides all replies but the latest two. */
1606         if (!isViewPostPage()) {
1607                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1608                         $("#sone .post .replies").each(function() {
1609                                 allReplies = $(this).find(".reply");
1610                                 if (allReplies.length > 2) {
1611                                         newHidden = false;
1612                                         for (replyIndex = 0; replyIndex < (allReplies.length - 2); ++replyIndex) {
1613                                                 $(allReplies[replyIndex]).addClass("hidden");
1614                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1615                                         }
1616                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1617                                         if (newHidden) {
1618                                                 clickToShowElement.addClass("new");
1619                                         }
1620                                         (function(clickToShowElement, allReplies, text) {
1621                                                 clickToShowElement.text(text);
1622                                                 clickToShowElement.click(function() {
1623                                                         allReplies.removeClass("hidden");
1624                                                         clickToShowElement.addClass("hidden");
1625                                                 });
1626                                         })(clickToShowElement, allReplies, text);
1627                                         $(allReplies[0]).before(clickToShowElement);
1628                                 }
1629                         });
1630                 });
1631         }
1632
1633         $("#sone .sone").each(function() {
1634                 ajaxifySone($(this));
1635         });
1636
1637         /* process all existing notifications, ajaxify dismiss buttons. */
1638         $("#sone #notification-area .notification").each(function() {
1639                 ajaxifyNotification($(this));
1640         });
1641
1642         /* activate status polling. */
1643         setTimeout(getStatus, 5000);
1644
1645         /* reset activity counter when the page has focus. */
1646         $(window).focus(function() {
1647                 focus = true;
1648                 resetActivity();
1649         }).blur(function() {
1650                 focus = false;
1651         })
1652
1653 });