Use different notifications for local elements.
[Sone.git] / src / main / resources / static / javascript / sone.js
1 /* Sone JavaScript functions. */
2
3 function ajaxGet(url, data, successCallback, errorCallback) {
4         (function(url, data, successCallback, errorCallback) {
5                 $.ajax({"type": "GET", "url": url, "data": data, "dataType": "json", "success": function(data, textStatus, xmlHttpRequest) {
6                         ajaxSuccess();
7                         if (typeof successCallback != "undefined") {
8                                 successCallback(data, textStatus);
9                         }
10                 }, "error": function(xmlHttpRequest, textStatus, errorThrown) {
11                         if (xmlHttpRequest.status == 403) {
12                                 notLoggedIn = true;
13                         }
14                         if (typeof errorCallback != "undefined") {
15                                 errorCallback();
16                         } else {
17                                 ajaxError();
18                         }
19                 }});
20         })(url, data, successCallback, errorCallback);
21 }
22
23 function registerInputTextareaSwap(inputElement, defaultText, inputFieldName, optional, dontUseTextarea) {
24         $(inputElement).each(function() {
25                 textarea = $(dontUseTextarea ? "<input type=\"text\" name=\"" + inputFieldName + "\">" : "<textarea name=\"" + inputFieldName + "\"></textarea>").blur(function() {
26                         if ($(this).val() == "") {
27                                 $(this).hide();
28                                 inputField = $(this).data("inputField");
29                                 inputField.show().removeAttr("disabled").addClass("default");
30                                 inputField.val(defaultText);
31                         }
32                 }).hide().data("inputField", $(this)).val($(this).val());
33                 $(this).data("textarea", textarea).after(textarea);
34                 (function(inputField, textarea) {
35                         inputField.focus(function() {
36                                 $(this).hide().attr("disabled", "disabled");
37                                 /* no, show(), “display: block” is not what I need. */
38                                 textarea.attr("style", "display: inline").focus();
39                         });
40                         if (inputField.val() == "") {
41                                 inputField.addClass("default");
42                                 inputField.val(defaultText);
43                         } else {
44                                 inputField.hide().attr("disabled", "disabled");
45                                 textarea.show();
46                         }
47                         $(inputField.get(0).form).submit(function() {
48                                 inputField.attr("disabled", "disabled");
49                                 if (!optional && (textarea.val() == "")) {
50                                         inputField.removeAttr("disabled").focus();
51                                         return false;
52                                 }
53                         });
54                 })($(this), textarea);
55         });
56 }
57
58 /**
59  * Adds a “comment” link to all status lines contained in the given element.
60  *
61  * @param postId
62  *            The ID of the post
63  * @param element
64  *            The element to add a “comment” link to
65  */
66 function addCommentLink(postId, author, element, insertAfterThisElement) {
67         if (($(element).find(".show-reply-form").length > 0) || (getPostElement(element).find(".create-reply").length == 0)) {
68                 return;
69         }
70         commentElement = (function(postId, author) {
71                 separator = $("<span> · </span>").addClass("separator");
72                 var commentElement = $("<div><span>Comment</span></div>").addClass("show-reply-form").click(function() {
73                         replyElement = $("#sone .post#" + postId + " .create-reply");
74                         replyElement.removeClass("hidden");
75                         replyElement.removeClass("light");
76                         (function(replyElement) {
77                                 replyElement.find("input.reply-input").blur(function() {
78                                         if ($(this).hasClass("default")) {
79                                                 replyElement.addClass("light");
80                                         }
81                                 }).focus(function() {
82                                         replyElement.removeClass("light");
83                                 });
84                         })(replyElement);
85                         textArea = replyElement.find("input.reply-input").focus().data("textarea");
86                         if (author != getCurrentSoneId()) {
87                                 textArea.val(textArea.val() + "@sone://" + author + " ");
88                         }
89                 });
90                 return commentElement;
91         })(postId, author);
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         ajaxGet("getTranslation.ajax", {"key": key}, function(data, textStatus) {
113                 if ((data != null) && data.success) {
114                         translations[key] = data.value;
115                         callback(data.value);
116                 }
117         });
118 }
119
120 /**
121  * Filters the given Sone ID, replacing all “~” characters by an underscore.
122  *
123  * @param soneId
124  *            The Sone ID to filter
125  * @returns The filtered Sone ID
126  */
127 function filterSoneId(soneId) {
128         return soneId.replace(/[^a-zA-Z0-9-]/g, "_");
129 }
130
131 /**
132  * Updates the status of the given Sone.
133  *
134  * @param soneId
135  *            The ID of the Sone to update
136  * @param status
137  *            The status of the Sone (“idle”, “unknown”, “inserting”,
138  *            “downloading”)
139  * @param modified
140  *            Whether the Sone is modified
141  * @param locked
142  *            Whether the Sone is locked
143  * @param lastUpdated
144  *            The date and time of the last update (formatted for display)
145  */
146 function updateSoneStatus(soneId, name, status, modified, locked, lastUpdated, lastUpdatedText) {
147         $("#sone .sone." + filterSoneId(soneId)).
148                 toggleClass("unknown", status == "unknown").
149                 toggleClass("idle", status == "idle").
150                 toggleClass("inserting", status == "inserting").
151                 toggleClass("downloading", status == "downloading").
152                 toggleClass("modified", modified);
153         $("#sone .sone." + filterSoneId(soneId) + " .lock").toggleClass("hidden", locked);
154         $("#sone .sone." + filterSoneId(soneId) + " .unlock").toggleClass("hidden", !locked);
155         if (lastUpdated != null) {
156                 $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").attr("title", lastUpdated).text(lastUpdatedText);
157         } else {
158                 getTranslation("View.Sone.Text.UnknownDate", function(unknown) {
159                         $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(unknown);
160                 });
161         }
162         $("#sone .sone." + filterSoneId(soneId) + " .profile-link a").text(name);
163 }
164
165 /**
166  * Enhances a “delete” button so that the confirmation is done on the same page.
167  *
168  * @param button
169  *            The button element
170  * @param text
171  *            The text to show on the button
172  * @param deleteCallback
173  *            The callback that actually deletes something
174  */
175 function enhanceDeleteButton(button, text, deleteCallback) {
176         (function(button) {
177                 newButton = $("<button></button>").addClass("confirm").hide().text(text).click(function() {
178                         $(this).fadeOut("slow");
179                         deleteCallback();
180                         return false;
181                 }).insertAfter(button);
182                 (function(button, newButton) {
183                         button.click(function() {
184                                 button.fadeOut("slow", function() {
185                                         newButton.fadeIn("slow");
186                                         $(document).one("click", function() {
187                                                 if (this != newButton.get(0)) {
188                                                         newButton.fadeOut(function() {
189                                                                 button.fadeIn();
190                                                         });
191                                                 }
192                                         });
193                                 });
194                                 return false;
195                         });
196                 })(button, newButton);
197         })($(button));
198 }
199
200 /**
201  * Enhances a post’s “delete” button.
202  *
203  * @param button
204  *            The button element
205  * @param postId
206  *            The ID of the post to delete
207  * @param text
208  *            The text to replace the button with
209  */
210 function enhanceDeletePostButton(button, postId, text) {
211         enhanceDeleteButton(button, text, function() {
212                 ajaxGet("deletePost.ajax", { "post": postId, "formPassword": getFormPassword() }, function(data, textStatus) {
213                         if (data == null) {
214                                 return;
215                         }
216                         if (data.success) {
217                                 $("#sone .post#" + postId).slideUp();
218                         } else if (data.error == "invalid-post-id") {
219                                 /* pretend the post is already gone. */
220                                 getPost(postId).slideUp();
221                         } else if (data.error == "auth-required") {
222                                 alert("You need to be logged in.");
223                         } else if (data.error == "not-authorized") {
224                                 alert("You are not allowed to delete this post.");
225                         }
226                 }, function(xmlHttpRequest, textStatus, error) {
227                         /* ignore error. */
228                 });
229         });
230 }
231
232 /**
233  * Enhances a reply’s “delete” button.
234  *
235  * @param button
236  *            The button element
237  * @param replyId
238  *            The ID of the reply to delete
239  * @param text
240  *            The text to replace the button with
241  */
242 function enhanceDeleteReplyButton(button, replyId, text) {
243         enhanceDeleteButton(button, text, function() {
244                 ajaxGet("deleteReply.ajax", { "reply": replyId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
245                         if (data == null) {
246                                 return;
247                         }
248                         if (data.success) {
249                                 $("#sone .reply#" + replyId).slideUp();
250                         } else if (data.error == "invalid-reply-id") {
251                                 /* pretend the reply is already gone. */
252                                 getReply(replyId).slideUp();
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", this).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 /**
417  * Returns the time the notification was last updated.
418  *
419  * @param notificationElement
420  *            The notification element
421  * @returns The last update time of the notification
422  */
423 function getNotificationLastUpdatedTime(notificationElement) {
424         return $(notificationElement).attr("lastUpdatedTime");
425 }
426
427 function likePost(postId) {
428         ajaxGet("like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
429                 if ((data == null) || !data.success) {
430                         return;
431                 }
432                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
433                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
434                 updatePostLikes(postId);
435         }, function(xmlHttpRequest, textStatus, error) {
436                 /* ignore error. */
437         });
438 }
439
440 function unlikePost(postId) {
441         ajaxGet("unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
442                 if ((data == null) || !data.success) {
443                         return;
444                 }
445                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
446                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
447                 updatePostLikes(postId);
448         }, function(xmlHttpRequest, textStatus, error) {
449                 /* ignore error. */
450         });
451 }
452
453 function updatePostLikes(postId) {
454         ajaxGet("getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
455                 if ((data != null) && data.success) {
456                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0);
457                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
458                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
459                 }
460         }, function(xmlHttpRequest, textStatus, error) {
461                 /* ignore error. */
462         });
463 }
464
465 function likeReply(replyId) {
466         ajaxGet("like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
467                 if ((data == null) || !data.success) {
468                         return;
469                 }
470                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
471                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
472                 updateReplyLikes(replyId);
473         }, function(xmlHttpRequest, textStatus, error) {
474                 /* ignore error. */
475         });
476 }
477
478 function unlikeReply(replyId) {
479         ajaxGet("unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
480                 if ((data == null) || !data.success) {
481                         return;
482                 }
483                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
484                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
485                 updateReplyLikes(replyId);
486         }, function(xmlHttpRequest, textStatus, error) {
487                 /* ignore error. */
488         });
489 }
490
491 /**
492  * Trusts the Sone with the given ID.
493  *
494  * @param soneId
495  *            The ID of the Sone to trust
496  */
497 function trustSone(soneId) {
498         ajaxGet("trustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
499                 if ((data != null) && data.success) {
500                         updateTrustControls(soneId, data.trustValue);
501                 }
502         });
503 }
504
505 /**
506  * Distrusts the Sone with the given ID, i.e. assigns a negative trust value.
507  *
508  * @param soneId
509  *            The ID of the Sone to distrust
510  */
511 function distrustSone(soneId) {
512         ajaxGet("distrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
513                 if ((data != null) && data.success) {
514                         updateTrustControls(soneId, data.trustValue);
515                 }
516         });
517 }
518
519 /**
520  * Untrusts the Sone with the given ID, i.e. removes any trust assignment.
521  *
522  * @param soneId
523  *            The ID of the Sone to untrust
524  */
525 function untrustSone(soneId) {
526         ajaxGet("untrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
527                 if ((data != null) && data.success) {
528                         updateTrustControls(soneId, data.trustValue);
529                 }
530         });
531 }
532
533 /**
534  * Updates the trust controls for all posts and replies of the given Sone,
535  * according to the given trust value.
536  *
537  * @param soneId
538  *            The ID of the Sone to update all trust controls for
539  * @param trustValue
540  *            The trust value for the Sone
541  */
542 function updateTrustControls(soneId, trustValue) {
543         $("#sone .post").each(function() {
544                 if (getPostAuthor(this) == soneId) {
545                         getPostElement(this).find(".post-trust").toggleClass("hidden", trustValue != null);
546                         getPostElement(this).find(".post-distrust").toggleClass("hidden", trustValue != null);
547                         getPostElement(this).find(".post-untrust").toggleClass("hidden", trustValue == null);
548                 }
549         });
550         $("#sone .reply").each(function() {
551                 if (getReplyAuthor(this) == soneId) {
552                         getReplyElement(this).find(".reply-trust").toggleClass("hidden", trustValue != null);
553                         getReplyElement(this).find(".reply-distrust").toggleClass("hidden", trustValue != null);
554                         getReplyElement(this).find(".reply-untrust").toggleClass("hidden", trustValue == null);
555                 }
556         });
557 }
558
559 /**
560  * Bookmarks the post with the given ID.
561  *
562  * @param postId
563  *            The ID of the post to bookmark
564  */
565 function bookmarkPost(postId) {
566         (function(postId) {
567                 ajaxGet("bookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
568                         if ((data != null) && data.success) {
569                                 getPost(postId).find(".bookmark").toggleClass("hidden", true);
570                                 getPost(postId).find(".unbookmark").toggleClass("hidden", false);
571                         }
572                 });
573         })(postId);
574 }
575
576 /**
577  * Unbookmarks the post with the given ID.
578  *
579  * @param postId
580  *            The ID of the post to unbookmark
581  */
582 function unbookmarkPost(postId) {
583         ajaxGet("unbookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
584                 if ((data != null) && data.success) {
585                         getPost(postId).find(".bookmark").toggleClass("hidden", false);
586                         getPost(postId).find(".unbookmark").toggleClass("hidden", true);
587                 }
588         });
589 }
590
591 function updateReplyLikes(replyId) {
592         ajaxGet("getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
593                 if ((data != null) && data.success) {
594                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0);
595                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
596                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
597                 }
598         }, function(xmlHttpRequest, textStatus, error) {
599                 /* ignore error. */
600         });
601 }
602
603 /**
604  * Posts a reply and calls the given callback when the request finishes.
605  *
606  * @param sender
607  *            The ID of the sender
608  * @param postId
609  *            The ID of the post the reply refers to
610  * @param text
611  *            The text to post
612  * @param callbackFunction
613  *            The callback function to call when the request finishes (takes 3
614  *            parameters: success, error, replyId)
615  */
616 function postReply(sender, postId, text, callbackFunction) {
617         ajaxGet("createReply.ajax", { "formPassword" : getFormPassword(), "sender": sender, "post" : postId, "text": text }, function(data, textStatus) {
618                 if (data == null) {
619                         /* TODO - show error */
620                         return;
621                 }
622                 if (data.success) {
623                         callbackFunction(true, null, data.reply, data.sone);
624                 } else {
625                         callbackFunction(false, data.error);
626                 }
627         }, function(xmlHttpRequest, textStatus, error) {
628                 /* ignore error. */
629         });
630 }
631
632 /**
633  * Ajaxifies the given Sone by enhancing all eligible elements with AJAX.
634  *
635  * @param soneElement
636  *            The Sone to ajaxify
637  */
638 function ajaxifySone(soneElement) {
639         /*
640          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
641          * nicer.
642          */
643         $(".follow", soneElement).submit(function() {
644                 var followElement = this;
645                 ajaxGet("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
646                         $(followElement).addClass("hidden");
647                         $(followElement).parent().find(".unfollow").removeClass("hidden");
648                 });
649                 return false;
650         });
651         $(".unfollow", soneElement).submit(function() {
652                 var unfollowElement = this;
653                 ajaxGet("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
654                         $(unfollowElement).addClass("hidden");
655                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
656                 });
657                 return false;
658         });
659         $(".lock", soneElement).submit(function() {
660                 var lockElement = this;
661                 ajaxGet("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
662                         $(lockElement).addClass("hidden");
663                         $(lockElement).parent().find(".unlock").removeClass("hidden");
664                 });
665                 return false;
666         });
667         $(".unlock", soneElement).submit(function() {
668                 var unlockElement = this;
669                 ajaxGet("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
670                         $(unlockElement).addClass("hidden");
671                         $(unlockElement).parent().find(".lock").removeClass("hidden");
672                 });
673                 return false;
674         });
675
676         /* mark Sone as known when clicking it. */
677         $(soneElement).click(function() {
678                 markSoneAsKnown(this);
679         });
680 }
681
682 /**
683  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
684  *
685  * @param postElement
686  *            The post element to ajaxify
687  */
688 function ajaxifyPost(postElement) {
689         $(postElement).find("form").submit(function() {
690                 return false;
691         });
692         $(postElement).find(".create-reply button:submit").click(function() {
693                 button = $(this);
694                 button.attr("disabled", "disabled");
695                 sender = $(this.form).find(":input[name=sender]").val();
696                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
697                 postId = getPostId(this);
698                 text = $(inputField).val();
699                 (function(sender, postId, text, inputField) {
700                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
701                                 if (success) {
702                                         $(inputField).val("");
703                                         loadNewReply(replyId, soneId, postId);
704                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
705                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
706                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
707                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
708                                 } else {
709                                         alert(error);
710                                 }
711                                 button.removeAttr("disabled");
712                         });
713                 })(sender, postId, text, inputField);
714                 return false;
715         });
716
717         /* replace all “delete” buttons with javascript. */
718         (function(postElement) {
719                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
720                         postId = getPostId(postElement);
721                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
722                 });
723         })(postElement);
724
725         /* convert all “like” buttons to javascript functions. */
726         $(postElement).find(".like-post").submit(function() {
727                 likePost(getPostId(this));
728                 return false;
729         });
730         $(postElement).find(".unlike-post").submit(function() {
731                 unlikePost(getPostId(this));
732                 return false;
733         });
734
735         /* convert trust control buttons to javascript functions. */
736         $(postElement).find(".post-trust").submit(function() {
737                 trustSone(getPostAuthor(this));
738                 return false;
739         });
740         $(postElement).find(".post-distrust").submit(function() {
741                 distrustSone(getPostAuthor(this));
742                 return false;
743         });
744         $(postElement).find(".post-untrust").submit(function() {
745                 untrustSone(getPostAuthor(this));
746                 return false;
747         });
748
749         /* convert bookmark/unbookmark buttons to javascript functions. */
750         $(postElement).find(".bookmark").submit(function() {
751                 bookmarkPost(getPostId(this));
752                 return false;
753         });
754         $(postElement).find(".unbookmark").submit(function() {
755                 unbookmarkPost(getPostId(this));
756                 return false;
757         });
758
759         /* convert “show source” link into javascript function. */
760         $(postElement).find(".show-source").each(function() {
761                 $("a", this).click(function() {
762                         $(".post-text.text", getPostElement(this)).toggleClass("hidden");
763                         $(".post-text.raw-text", getPostElement(this)).toggleClass("hidden");
764                         return false;
765                 });
766         });
767
768         /* add “comment” link. */
769         addCommentLink(getPostId(postElement), getPostAuthor(postElement), postElement, $(postElement).find(".post-status-line .permalink-author"));
770
771         /* process all replies. */
772         replyIds = [];
773         $(postElement).find(".reply").each(function() {
774                 replyIds.push(getReplyId(this));
775                 ajaxifyReply(this);
776         });
777         updateReplyTimes(replyIds.join(","));
778
779         /* process reply input fields. */
780         getTranslation("WebInterface.DefaultText.Reply", function(text) {
781                 $(postElement).find("input.reply-input").each(function() {
782                         registerInputTextareaSwap(this, text, "text", false, false);
783                 });
784         });
785
786         /* process sender selection. */
787         $(".select-sender", postElement).css("display", "inline");
788         $(".sender", postElement).hide();
789         $(".select-sender button", postElement).click(function() {
790                 $(".sender", postElement).show();
791                 $(".select-sender", postElement).hide();
792                 return false;
793         });
794
795         /* mark everything as known on click. */
796         $(postElement).click(function(event) {
797                 if ($(event.target).hasClass("click-to-show")) {
798                         return false;
799                 }
800                 markPostAsKnown(this);
801         });
802
803         /* hide reply input field. */
804         $(postElement).find(".create-reply").addClass("hidden");
805 }
806
807 /**
808  * Ajaxifies the given reply element.
809  *
810  * @param replyElement
811  *            The reply element to ajaxify
812  */
813 function ajaxifyReply(replyElement) {
814         $(replyElement).find(".like-reply").submit(function() {
815                 likeReply(getReplyId(this));
816                 return false;
817         });
818         $(replyElement).find(".unlike-reply").submit(function() {
819                 unlikeReply(getReplyId(this));
820                 return false;
821         });
822         (function(replyElement) {
823                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
824                         $(replyElement).find(".delete-reply button").each(function() {
825                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
826                         });
827                 });
828         })(replyElement);
829         addCommentLink(getPostId(replyElement), getReplyAuthor(replyElement), replyElement, $(replyElement).find(".reply-status-line .permalink-author"));
830
831         /* convert “show source” link into javascript function. */
832         $(replyElement).find(".show-reply-source").each(function() {
833                 $("a", this).click(function() {
834                         $(".reply-text.text", getReplyElement(this)).toggleClass("hidden");
835                         $(".reply-text.raw-text", getReplyElement(this)).toggleClass("hidden");
836                         return false;
837                 });
838         });
839
840         /* convert trust control buttons to javascript functions. */
841         $(replyElement).find(".reply-trust").submit(function() {
842                 trustSone(getReplyAuthor(this));
843                 return false;
844         });
845         $(replyElement).find(".reply-distrust").submit(function() {
846                 distrustSone(getReplyAuthor(this));
847                 return false;
848         });
849         $(replyElement).find(".reply-untrust").submit(function() {
850                 untrustSone(getReplyAuthor(this));
851                 return false;
852         });
853 }
854
855 /**
856  * Ajaxifies the given notification by replacing the form with AJAX.
857  *
858  * @param notification
859  *            jQuery object representing the notification.
860  */
861 function ajaxifyNotification(notification) {
862         notification.find("form").submit(function() {
863                 return false;
864         });
865         notification.find("input[name=returnPage]").val($.url.attr("relative"));
866         if (notification.find(".short-text").length > 0) {
867                 notification.find(".short-text").removeClass("hidden");
868                 notification.find(".text").addClass("hidden");
869         }
870         notification.find("form.mark-as-read button").click(function() {
871                 ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": $(":input[name=id]", this.form).val()});
872         });
873         notification.find("a[class^='link-']").each(function() {
874                 linkElement = $(this);
875                 if (linkElement.is("[href^='viewPost']")) {
876                         id = linkElement.attr("class").substr(5);
877                         if (hasPost(id)) {
878                                 linkElement.attr("href", "#post-" + id).addClass("in-page-link");
879                         }
880                 }
881         });
882         notification.find("form.dismiss button").click(function() {
883                 ajaxGet("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
884                         /* dismiss in case of error, too. */
885                         notification.slideUp();
886                 }, function(xmlHttpRequest, textStatus, error) {
887                         /* ignore error. */
888                 });
889         });
890         return notification;
891 }
892
893 /**
894  * Retrieves element IDs from notification elements.
895  *
896  * @param notification
897  *            The notification element
898  * @param selector
899  *            The selector of the element containing the ID as text
900  * @returns All extracted IDs
901  */
902 function getElementIds(notification, selector) {
903         elementIds = [];
904         $(selector, notification).each(function() {
905                 elementIds.push($(this).text());
906         });
907         return elementIds;
908 }
909
910 /**
911  * Compares the given notification elements and calls {@link #markSoneAsKnown()}
912  * for every ID that is contained in the old notification but not in the new.
913  *
914  * @param oldNotification
915  *            The old notification element
916  * @param newNotification
917  *            The new notification element
918  */
919 function checkForRemovedSones(oldNotification, newNotification) {
920         if (getNotificationId(oldNotification) != "new-sone-notification") {
921                 return;
922         }
923         oldIds = getElementIds(oldNotification, ".new-sone-id");
924         newIds = getElementIds(newNotification, ".new-sone-id");
925         $.each(oldIds, function(index, value) {
926                 if ($.inArray(value, newIds) == -1) {
927                         markSoneAsKnown(getSone(value), true);
928                 }
929         });
930 }
931
932 /**
933  * Compares the given notification elements and calls {@link #markPostAsKnown()}
934  * for every ID that is contained in the old notification but not in the new.
935  *
936  * @param oldNotification
937  *            The old notification element
938  * @param newNotification
939  *            The new notification element
940  */
941 function checkForRemovedPosts(oldNotification, newNotification) {
942         if (getNotificationId(oldNotification) != "new-post-notification") {
943                 return;
944         }
945         oldIds = getElementIds(oldNotification, ".post-id");
946         newIds = getElementIds(newNotification, ".post-id");
947         $.each(oldIds, function(index, value) {
948                 if ($.inArray(value, newIds) == -1) {
949                         markPostAsKnown(getPost(value), true);
950                 }
951         });
952 }
953
954 /**
955  * Compares the given notification elements and calls
956  * {@link #markReplyAsKnown()} for every ID that is contained in the old
957  * notification but not in the new.
958  *
959  * @param oldNotification
960  *            The old notification element
961  * @param newNotification
962  *            The new notification element
963  */
964 function checkForRemovedReplies(oldNotification, newNotification) {
965         if (getNotificationId(oldNotification) != "new-replies-notification") {
966                 return;
967         }
968         oldIds = getElementIds(oldNotification, ".reply-id");
969         newIds = getElementIds(newNotification, ".reply-id");
970         $.each(oldIds, function(index, value) {
971                 if ($.inArray(value, newIds) == -1) {
972                         markReplyAsKnown(getReply(value), true);
973                 }
974         });
975 }
976
977 function getStatus() {
978         ajaxGet("getStatus.ajax", isViewSonePage() ? {"soneIds": getShownSoneId() } : {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
979                 if ((data != null) && data.success) {
980                         /* process Sone information. */
981                         $.each(data.sones, function(index, value) {
982                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated, value.lastUpdatedText);
983                         });
984                         notLoggedIn = !data.loggedIn;
985                         if (!notLoggedIn) {
986                                 showOfflineMarker(!online);
987                         }
988                         /* search for removed notifications. */
989                         $("#sone #notification-area .notification").each(function() {
990                                 notificationId = $(this).attr("id");
991                                 foundNotification = false;
992                                 $.each(data.notifications, function(index, value) {
993                                         if (value.id == notificationId) {
994                                                 foundNotification = true;
995                                                 return false;
996                                         }
997                                 });
998                                 if (!foundNotification) {
999                                         if (notificationId == "new-sone-notification") {
1000                                                 $(".new-sone-id", this).each(function(index, element) {
1001                                                         soneId = $(this).text();
1002                                                         markSoneAsKnown(getSone(soneId), true);
1003                                                 });
1004                                         } else if (notificationId == "new-post-notification") {
1005                                                 $(".post-id", this).each(function(index, element) {
1006                                                         postId = $(this).text();
1007                                                         markPostAsKnown(getPost(postId), true);
1008                                                 });
1009                                         } else if (notificationId == "new-replies-notification") {
1010                                                 $(".reply-id", this).each(function(index, element) {
1011                                                         replyId = $(this).text();
1012                                                         markReplyAsKnown(getReply(replyId), true);
1013                                                 });
1014                                         }
1015                                         $(this).slideUp("normal", function() {
1016                                                 $(this).remove();
1017                                                 /* remove activity when no notifications are visible. */
1018                                                 if ($("#sone #notification-area .notification").length == 0) {
1019                                                         resetActivity();
1020                                                 }
1021                                         });
1022                                 }
1023                         });
1024                         /* process notifications. */
1025                         notificationIds = [];
1026                         $.each(data.notifications, function(index, value) {
1027                                 oldNotification = getNotification(value.id);
1028                                 if ((oldNotification.length == 0) || (value.lastUpdatedTime > getNotificationLastUpdatedTime(oldNotification))) {
1029                                         notificationIds.push(value.id);
1030                                 }
1031                         });
1032                         if (notificationIds.length > 0) {
1033                                 loadNotifications(notificationIds);
1034                         }
1035                         /* process new posts. */
1036                         $.each(data.newPosts, function(index, value) {
1037                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
1038                         });
1039                         /* process new replies. */
1040                         $.each(data.newReplies, function(index, value) {
1041                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
1042                         });
1043                         /* do it again in 5 seconds. */
1044                         setTimeout(getStatus, 5000);
1045                 } else {
1046                         /* data.success was false, wait 30 seconds. */
1047                         setTimeout(getStatus, 30000);
1048                 }
1049         }, function() {
1050                 statusRequestQueued = false;
1051                 ajaxError();
1052         });
1053 }
1054
1055 /**
1056  * Requests multiple notifications from Sone and displays them.
1057  *
1058  * @param notificationIds
1059  *            Array of IDs of the notifications to load
1060  */
1061 function loadNotifications(notificationIds) {
1062         ajaxGet("getNotification.ajax", {"notifications": notificationIds.join(",")}, function(data, textStatus) {
1063                 if (!data || !data.success) {
1064                         // TODO - show error
1065                         return;
1066                 }
1067                 $.each(data.notifications, function(index, value) {
1068                         oldNotification = getNotification(value.id);
1069                         notification = ajaxifyNotification(createNotification(value.id, value.lastUpdatedTime, value.text, value.dismissable)).hide();
1070                         if (oldNotification.length != 0) {
1071                                 if ((oldNotification.find(".short-text").length > 0) && (notification.find(".short-text").length > 0)) {
1072                                         opened = oldNotification.is(":visible") && oldNotification.find(".short-text").hasClass("hidden");
1073                                         notification.find(".short-text").toggleClass("hidden", opened);
1074                                         notification.find(".text").toggleClass("hidden", !opened);
1075                                 }
1076                                 checkForRemovedSones(oldNotification, notification);
1077                                 checkForRemovedPosts(oldNotification, notification);
1078                                 checkForRemovedReplies(oldNotification, notification);
1079                                 oldNotification.replaceWith(notification.show());
1080                         } else {
1081                                 $("#sone #notification-area").append(notification);
1082                                 if (value.id.substring(0, 5) != "local") {
1083                                         notification.slideDown();
1084                                         setActivity();
1085                                 }
1086                         }
1087                 });
1088         });
1089 }
1090
1091 /**
1092  * Returns the ID of the currently logged in Sone.
1093  *
1094  * @return The ID of the current Sone, or an empty string if no Sone is logged
1095  *         in
1096  */
1097 function getCurrentSoneId() {
1098         return $("#currentSoneId").text();
1099 }
1100
1101 /**
1102  * Returns the content of the page-id attribute.
1103  *
1104  * @returns The page ID
1105  */
1106 function getPageId() {
1107         return $("#sone .page-id").text();
1108 }
1109
1110 /**
1111  * Returns whether the current page is the index page.
1112  *
1113  * @returns {Boolean} <code>true</code> if the current page is the index page,
1114  *          <code>false</code> otherwise
1115  */
1116 function isIndexPage() {
1117         return getPageId() == "index";
1118 }
1119
1120 /**
1121  * Returns the current page of the selected pagination. If no pagination can be
1122  * found with the given selector, {@code 1} is returned.
1123  *
1124  * @param paginationSelector
1125  *            The pagination selector
1126  * @returns The current page of the pagination
1127  */
1128 function getPage(paginationSelector) {
1129         pagination = $(paginationSelector);
1130         if (pagination.length > 0) {
1131                 return $(".current-page", paginationSelector).text();
1132         }
1133         return 1;
1134 }
1135
1136 /**
1137  * Returns whether the current page is a “view Sone” page.
1138  *
1139  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
1140  *          page, <code>false</code> otherwise
1141  */
1142 function isViewSonePage() {
1143         return getPageId() == "view-sone";
1144 }
1145
1146 /**
1147  * Returns the ID of the currently shown Sone. This will only return a sensible
1148  * value if isViewSonePage() returns <code>true</code>.
1149  *
1150  * @returns The ID of the currently shown Sone
1151  */
1152 function getShownSoneId() {
1153         return $("#sone .sone-id").text();
1154 }
1155
1156 /**
1157  * Returns whether the current page is a “view post” page.
1158  *
1159  * @returns {Boolean} <code>true</code> if the current page is a “view post”
1160  *          page, <code>false</code> otherwise
1161  */
1162 function isViewPostPage() {
1163         return getPageId() == "view-post";
1164 }
1165
1166 /**
1167  * Returns the ID of the currently shown post. This will only return a sensible
1168  * value if isViewPostPage() returns <code>true</code>.
1169  *
1170  * @returns The ID of the currently shown post
1171  */
1172 function getShownPostId() {
1173         return $("#sone .post-id").text();
1174 }
1175
1176 /**
1177  * Returns whether the current page is the “known Sones” page.
1178  *
1179  * @returns {Boolean} <code>true</code> if the current page is the “known
1180  *          Sones” page, <code>false</code> otherwise
1181  */
1182 function isKnownSonesPage() {
1183         return getPageId() == "known-sones";
1184 }
1185
1186 /**
1187  * Returns whether a post with the given ID exists on the current page.
1188  *
1189  * @param postId
1190  *            The post ID to check for
1191  * @returns {Boolean} <code>true</code> if a post with the given ID already
1192  *          exists on the page, <code>false</code> otherwise
1193  */
1194 function hasPost(postId) {
1195         return $(".post#" + postId).length > 0;
1196 }
1197
1198 /**
1199  * Returns whether a reply with the given ID exists on the current page.
1200  *
1201  * @param replyId
1202  *            The reply ID to check for
1203  * @returns {Boolean} <code>true</code> if a reply with the given ID already
1204  *          exists on the page, <code>false</code> otherwise
1205  */
1206 function hasReply(replyId) {
1207         return $("#sone .reply#" + replyId).length > 0;
1208 }
1209
1210 function loadNewPost(postId, soneId, recipientId, time) {
1211         if (hasPost(postId)) {
1212                 return;
1213         }
1214         if (!isIndexPage() || (getPage(".pagination-index") > 1)) {
1215                 if (!isViewPostPage() || (getShownPostId() != postId)) {
1216                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId)) || (getPage(".post-navigation") > 1)) {
1217                                 return;
1218                         }
1219                 }
1220         }
1221         if (getPostTime($("#sone .post").last()) > time) {
1222                 return;
1223         }
1224         ajaxGet("getPost.ajax", { "post" : postId }, function(data, textStatus) {
1225                 if ((data != null) && data.success) {
1226                         if (hasPost(data.post.id)) {
1227                                 return;
1228                         }
1229                         if ((!isIndexPage() || (getPage(".pagination-index") > 1)) && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient) || (getPage(".post-navigation") > 1)))) {
1230                                 return;
1231                         }
1232                         var firstOlderPost = null;
1233                         $("#sone .post").each(function() {
1234                                 if (getPostTime(this) < data.post.time) {
1235                                         firstOlderPost = $(this);
1236                                         return false;
1237                                 }
1238                         });
1239                         newPost = $(data.post.html).addClass("hidden");
1240                         if ($(".post-author-local", newPost).text() == "true") {
1241                                 newPost.removeClass("new");
1242                                 (function(newPost) {
1243                                         setTimeout(function() {
1244                                                 markPostAsKnown(newPost, false);
1245                                         }, 5000);
1246                                 })(newPost);
1247                         }
1248                         if (firstOlderPost != null) {
1249                                 newPost.insertBefore(firstOlderPost);
1250                         }
1251                         ajaxifyPost(newPost);
1252                         updatePostTimes(data.post.id);
1253                         newPost.slideDown();
1254                         setActivity();
1255                 }
1256         });
1257 }
1258
1259 function loadNewReply(replyId, soneId, postId, postSoneId) {
1260         if (hasReply(replyId)) {
1261                 return;
1262         }
1263         if (!hasPost(postId)) {
1264                 return;
1265         }
1266         ajaxGet("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
1267                 /* find post. */
1268                 if ((data != null) && data.success) {
1269                         if (hasReply(data.reply.id)) {
1270                                 return;
1271                         }
1272                         $("#sone .post#" + data.reply.postId).each(function() {
1273                                 var firstNewerReply = null;
1274                                 $(this).find(".replies .reply").each(function() {
1275                                         if (getReplyTime(this) > data.reply.time) {
1276                                                 firstNewerReply = $(this);
1277                                                 return false;
1278                                         }
1279                                 });
1280                                 newReply = $(data.reply.html).addClass("hidden");
1281                                 if ($(".reply-author-local", newReply).text() == "true") {
1282                                         newReply.removeClass("new");
1283                                         (function(newReply) {
1284                                                 setTimeout(function() {
1285                                                         markReplyAsKnown(newReply, false);
1286                                                 }, 5000);
1287                                         })(newReply);
1288                                 }
1289                                 if (firstNewerReply != null) {
1290                                         newReply.insertBefore(firstNewerReply);
1291                                 } else {
1292                                         if ($(this).find(".replies .create-reply")) {
1293                                                 $(this).find(".replies .create-reply").before(newReply);
1294                                         } else {
1295                                                 $(this).find(".replies").append(newReply);
1296                                         }
1297                                 }
1298                                 ajaxifyReply(newReply);
1299                                 updateReplyTimes(data.reply.id);
1300                                 newReply.slideDown();
1301                                 setActivity();
1302                                 return false;
1303                         });
1304                 }
1305         });
1306 }
1307
1308 /**
1309  * Marks the given Sone as known if it is still new.
1310  *
1311  * @param soneElement
1312  *            The Sone to mark as known
1313  * @param skipRequest
1314  *            true to skip the JSON request, false or omit to perform the JSON
1315  *            request
1316  */
1317 function markSoneAsKnown(soneElement, skipRequest) {
1318         if ($(soneElement).is(".new")) {
1319                 $(soneElement).removeClass("new");
1320                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1321                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)});
1322                 }
1323         }
1324 }
1325
1326 function markPostAsKnown(postElements, skipRequest) {
1327         $(postElements).each(function() {
1328                 postElement = this;
1329                 if ($(postElement).hasClass("new") || ((typeof skipRequest != "undefined") && !skipRequest)) {
1330                         (function(postElement) {
1331                                 $(postElement).removeClass("new");
1332                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1333                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)});
1334                                 }
1335                         })(postElement);
1336                 }
1337                 $(".click-to-show", postElement).removeClass("new");
1338         });
1339         markReplyAsKnown($(postElements).find(".reply"));
1340 }
1341
1342 function markReplyAsKnown(replyElements, skipRequest) {
1343         $(replyElements).each(function() {
1344                 replyElement = this;
1345                 if ($(replyElement).hasClass("new") || ((typeof skipRequest != "undefined") && !skipRequest)) {
1346                         (function(replyElement) {
1347                                 $(replyElement).removeClass("new");
1348                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1349                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)});
1350                                 }
1351                         })(replyElement);
1352                 }
1353         });
1354 }
1355
1356 /**
1357  * Updates the time of the post with the given ID.
1358  *
1359  * @param postId
1360  *            The ID of the post to update
1361  * @param timeText
1362  *            The text of the time to show
1363  * @param refreshTime
1364  *            The refresh time after which to request a new time (in seconds)
1365  * @param tooltip
1366  *            The tooltip to show
1367  */
1368 function updatePostTime(postId, timeText, refreshTime, tooltip) {
1369         if (!getPost(postId).is(":visible")) {
1370                 return;
1371         }
1372         getPost(postId).find(".post-status-line > .time a").html(timeText).attr("title", tooltip);
1373         (function(postId, refreshTime) {
1374                 setTimeout(function() {
1375                         updatePostTimes(postId);
1376                 }, refreshTime * 1000);
1377         })(postId, refreshTime);
1378 }
1379
1380 /**
1381  * Requests new rendered times for the posts with the given IDs.
1382  *
1383  * @param postIds
1384  *            Comma-separated post IDs
1385  */
1386 function updatePostTimes(postIds) {
1387         ajaxGet("getTimes.ajax", { "posts" : postIds }, function(data, textStatus) {
1388                 if ((data != null) && data.success) {
1389                         $.each(data.postTimes, function(index, value) {
1390                                 updatePostTime(index, value.timeText, value.refreshTime, value.tooltip);
1391                         });
1392                 }
1393         });
1394 }
1395
1396 /**
1397  * Updates the time of the reply with the given ID.
1398  *
1399  * @param postId
1400  *            The ID of the reply to update
1401  * @param timeText
1402  *            The text of the time to show
1403  * @param refreshTime
1404  *            The refresh time after which to request a new time (in seconds)
1405  * @param tooltip
1406  *            The tooltip to show
1407  */
1408 function updateReplyTime(replyId, timeText, refreshTime, tooltip) {
1409         getReply(replyId).find(".reply-status-line > .time").html(timeText).attr("title", tooltip);
1410         (function(replyId, refreshTime) {
1411                 setTimeout(function() {
1412                         updateReplyTimes(replyId);
1413                 }, refreshTime * 1000);
1414         })(replyId, refreshTime);
1415 }
1416
1417 /**
1418  * Requests new rendered times for the posts with the given IDs.
1419  *
1420  * @param postIds
1421  *            Comma-separated post IDs
1422  */
1423 function updateReplyTimes(replyIds) {
1424         ajaxGet("getTimes.ajax", { "replies" : replyIds }, function(data, textStatus) {
1425                 if ((data != null) && data.success) {
1426                         $.each(data.replyTimes, function(index, value) {
1427                                 updateReplyTime(index, value.timeText, value.refreshTime, value.tooltip);
1428                         });
1429                 }
1430         });
1431 }
1432
1433 function resetActivity() {
1434         title = document.title;
1435         if (title.indexOf('(') == 0) {
1436                 setTitle(title.substr(title.indexOf(' ') + 1));
1437         }
1438         iconBlinking = false;
1439 }
1440
1441 function setActivity() {
1442         if (!focus) {
1443                 title = document.title;
1444                 if (title.indexOf('(') != 0) {
1445                         setTitle("(!) " + title);
1446                 }
1447                 if (!iconBlinking) {
1448                         setTimeout(toggleIcon, 1500);
1449                         iconBlinking = true;
1450                 }
1451         }
1452 }
1453
1454 /**
1455  * Sets the window title after a small delay to prevent race-condition issues.
1456  *
1457  * @param title
1458  *            The title to set
1459  */
1460 function setTitle(title) {
1461         setTimeout(function() {
1462                 document.title = title;
1463         }, 50);
1464 }
1465
1466 /** Whether the icon is currently showing activity. */
1467 var iconActive = false;
1468
1469 /** Whether the icon is currently supposed to blink. */
1470 var iconBlinking = false;
1471
1472 /**
1473  * Toggles the icon. If the window has gained focus and the icon is still
1474  * showing the activity state, it is returned to normal.
1475  */
1476 function toggleIcon() {
1477         if (focus || !iconBlinking) {
1478                 if (iconActive) {
1479                         changeIcon("images/icon.png");
1480                         iconActive = false;
1481                 }
1482                 iconBlinking = false;
1483         } else {
1484                 iconActive = !iconActive;
1485                 changeIcon(iconActive ? "images/icon-activity.png" : "images/icon.png");
1486                 setTimeout(toggleIcon, 1500);
1487         }
1488 }
1489
1490 /**
1491  * Changes the icon of the page.
1492  *
1493  * @param iconUrl
1494  *            The new URL of the icon
1495  */
1496 function changeIcon(iconUrl) {
1497         $("link[rel=icon]").remove();
1498         $("head").append($("<link>").attr("rel", "icon").attr("type", "image/png").attr("href", iconUrl));
1499         $("iframe[id=icon-update]")[0].src += "";
1500 }
1501
1502 /**
1503  * Creates a new notification.
1504  *
1505  * @param id
1506  *            The ID of the notificaiton
1507  * @param text
1508  *            The text of the notification
1509  * @param dismissable
1510  *            <code>true</code> if the notification can be dismissed by the
1511  *            user
1512  */
1513 function createNotification(id, lastUpdatedTime, text, dismissable) {
1514         notification = $("<div></div>").addClass("notification").attr("id", id).attr("lastUpdatedTime", lastUpdatedTime);
1515         if (dismissable) {
1516                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id");
1517                 dismissForm.find("input[name=notification]").val(id);
1518                 notification.append(dismissForm);
1519         }
1520         notification.append(text);
1521         return notification;
1522 }
1523
1524 /**
1525  * Shows the details of the notification with the given ID.
1526  *
1527  * @param notificationId
1528  *            The ID of the notification
1529  */
1530 function showNotificationDetails(notificationId) {
1531         $("#sone .notification#" + notificationId + " .text").removeClass("hidden");
1532         $("#sone .notification#" + notificationId + " .short-text").addClass("hidden");
1533 }
1534
1535 /**
1536  * Deletes the field with the given ID from the profile.
1537  *
1538  * @param fieldId
1539  *            The ID of the field to delete
1540  */
1541 function deleteProfileField(fieldId) {
1542         ajaxGet("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1543                 if (data && data.success) {
1544                         $("#sone .profile-field#" + data.field.id).slideUp();
1545                 }
1546         });
1547 }
1548
1549 /**
1550  * Renames a profile field.
1551  *
1552  * @param fieldId
1553  *            The ID of the field to rename
1554  * @param newName
1555  *            The new name of the field
1556  * @param successFunction
1557  *            Called when the renaming was successful
1558  */
1559 function editProfileField(fieldId, newName, successFunction) {
1560         ajaxGet("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1561                 if (data && data.success) {
1562                         successFunction();
1563                 }
1564         });
1565 }
1566
1567 /**
1568  * Moves the profile field with the given ID one slot in the given direction.
1569  *
1570  * @param fieldId
1571  *            The ID of the field to move
1572  * @param direction
1573  *            The direction to move in (“up” or “down”)
1574  * @param successFunction
1575  *            Function to call on success
1576  */
1577 function moveProfileField(fieldId, direction, successFunction) {
1578         ajaxGet("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1579                 if (data && data.success) {
1580                         successFunction();
1581                 }
1582         });
1583 }
1584
1585 /**
1586  * Moves the profile field with the given ID up one slot.
1587  *
1588  * @param fieldId
1589  *            The ID of the field to move
1590  * @param successFunction
1591  *            Function to call on success
1592  */
1593 function moveProfileFieldUp(fieldId, successFunction) {
1594         moveProfileField(fieldId, "up", successFunction);
1595 }
1596
1597 /**
1598  * Moves the profile field with the given ID down one slot.
1599  *
1600  * @param fieldId
1601  *            The ID of the field to move
1602  * @param successFunction
1603  *            Function to call on success
1604  */
1605 function moveProfileFieldDown(fieldId, successFunction) {
1606         moveProfileField(fieldId, "down", successFunction);
1607 }
1608
1609 var statusRequestQueued = true;
1610
1611 /**
1612  * Sets the status of the web interface as offline.
1613  */
1614 function ajaxError() {
1615         online = false;
1616         showOfflineMarker(true);
1617         if (!statusRequestQueued) {
1618                 setTimeout(getStatus, 5000);
1619                 statusRequestQueued = true;
1620         }
1621 }
1622
1623 /**
1624  * Sets the status of the web interface as online.
1625  */
1626 function ajaxSuccess() {
1627         online = true;
1628         showOfflineMarker(!online || (initiallyLoggedIn && notLoggedIn));
1629 }
1630
1631 /**
1632  * Shows or hides the offline marker.
1633  *
1634  * @param visible
1635  *            {@code true} to display the offline marker, {@code false} to hide
1636  *            it
1637  */
1638 function showOfflineMarker(visible) {
1639         /* jQuery documentation says toggle() works the other way around?! */
1640         $("#sone #offline-marker").toggle(visible);
1641         if (visible) {
1642                 $("#sone #main").addClass("offline");
1643         } else {
1644                 $("#sone #main").removeClass("offline");
1645         }
1646 }
1647
1648 //
1649 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1650 //
1651
1652 var focus = true;
1653 var online = true;
1654 var initiallyLoggedIn = $("#sone #loggedIn").text() == "true";
1655 var notLoggedIn = !initiallyLoggedIn;
1656
1657 $(document).ready(function() {
1658
1659         /* this initializes the status update input field. */
1660         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1661                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1662                 $("#sone #update-status .select-sender").css("display", "inline");
1663                 $("#sone #update-status .sender").hide();
1664                 $("#sone #update-status .select-sender button").click(function() {
1665                         $("#sone #update-status .sender").show();
1666                         $("#sone #update-status .select-sender").hide();
1667                         return false;
1668                 });
1669                 $("#sone #update-status").submit(function() {
1670                         button = $("button:submit", this);
1671                         button.attr("disabled", "disabled");
1672                         if ($(this).find(":input.default:enabled").length > 0) {
1673                                 return false;
1674                         }
1675                         sender = $(this).find(":input[name=sender]").val();
1676                         text = $(this).find(":input[name=text]:enabled").val();
1677                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1678                                 button.removeAttr("disabled");
1679                         });
1680                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1681                         $(this).find(":input[name=text]:enabled").val("").blur();
1682                         $(this).find(".sender").hide();
1683                         $(this).find(".select-sender").show();
1684                         return false;
1685                 });
1686         });
1687
1688         /* ajaxify the search input field. */
1689         getTranslation("WebInterface.DefaultText.Search", function(defaultText) {
1690                 registerInputTextareaSwap("#sone #search input[name=query]", defaultText, "query", false, true);
1691         });
1692
1693         /* ajaxify input field on “view Sone” page. */
1694         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1695                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1696                 $("#sone #post-message .select-sender").css("display", "inline");
1697                 $("#sone #post-message .sender").hide();
1698                 $("#sone #post-message .select-sender button").click(function() {
1699                         $("#sone #post-message .sender").show();
1700                         $("#sone #post-message .select-sender").hide();
1701                         return false;
1702                 });
1703                 $("#sone #post-message").submit(function() {
1704                         sender = $(this).find(":input[name=sender]").val();
1705                         text = $(this).find(":input[name=text]:enabled").val();
1706                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "sender": sender, "text": text });
1707                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1708                         $(this).find(":input[name=text]:enabled").val("").blur();
1709                         $(this).find(".sender").hide();
1710                         $(this).find(".select-sender").show();
1711                         return false;
1712                 });
1713         });
1714
1715         /* Ajaxifies all posts. */
1716         /* calling getTranslation here will cache the necessary values. */
1717         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1718                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1719                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1720                                 $("#sone .post").each(function() {
1721                                         ajaxifyPost(this);
1722                                 });
1723                         });
1724                 });
1725         });
1726
1727         /* update post times. */
1728         postIds = [];
1729         $("#sone .post").each(function() {
1730                 postIds.push(getPostId(this));
1731         });
1732         updatePostTimes(postIds.join(","));
1733
1734         /* hides all replies but the latest two. */
1735         if (!isViewPostPage()) {
1736                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1737                         $("#sone .post .replies").each(function() {
1738                                 allReplies = $(this).find(".reply");
1739                                 if (allReplies.length > 2) {
1740                                         newHidden = false;
1741                                         for (replyIndex = 0; !newHidden && (replyIndex < (allReplies.length - 2)); ++replyIndex) {
1742                                                 $(allReplies[replyIndex]).addClass("hidden");
1743                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1744                                         }
1745                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1746                                         if (newHidden) {
1747                                                 clickToShowElement.addClass("new");
1748                                         }
1749                                         (function(clickToShowElement, allReplies, text) {
1750                                                 clickToShowElement.text(text);
1751                                                 clickToShowElement.click(function() {
1752                                                         allReplies.removeClass("hidden");
1753                                                         clickToShowElement.addClass("hidden");
1754                                                 });
1755                                         })(clickToShowElement, allReplies, text);
1756                                         $(allReplies[0]).before(clickToShowElement);
1757                                 }
1758                         });
1759                 });
1760         }
1761
1762         $("#sone .sone").each(function() {
1763                 ajaxifySone($(this));
1764         });
1765
1766         /* process all existing notifications, ajaxify dismiss buttons. */
1767         $("#sone #notification-area .notification").each(function() {
1768                 ajaxifyNotification($(this));
1769         });
1770
1771         /* disable all permalinks. */
1772         $(".permalink").click(function() {
1773                 return false;
1774         });
1775
1776         /* activate status polling. */
1777         setTimeout(getStatus, 5000);
1778
1779         /* reset activity counter when the page has focus. */
1780         $(window).focus(function() {
1781                 focus = true;
1782                 resetActivity();
1783         }).blur(function() {
1784                 focus = false;
1785         });
1786
1787 });