🔀 Merge branch 'release/v82'
[Sone.git] / 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                                 textarea.show().focus();
41                         });
42                         if (inputField.val() == "") {
43                                 inputField.addClass("default");
44                                 inputField.val(defaultText);
45                         } else {
46                                 inputField.hide().attr("disabled", "disabled");
47                                 textarea.show();
48                         }
49                         $(inputField.get(0).form).submit(function() {
50                                 if (!optional && (textarea.val() == "")) {
51                                         return false;
52                                 }
53                         });
54                 })($(this), textarea);
55         });
56 }
57
58 /**
59  * Adds a â€ścomment” 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 â€ścomment” link to
65  */
66 function addCommentLink(postId, element, insertAfterThisElement) {
67         if ($(element).find(".show-reply-form").length > 0) {
68                 return;
69         }
70         commentElement = (function(postId) {
71                 var commentElement = $("<div><span>Comment</span></div>").addClass("show-reply-form").click(function() {
72                         markPostAsKnown(getPostElement(this));
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                         replyElement.find("input.reply-input").focus();
86                 });
87                 return commentElement;
88         })(postId);
89         $(insertAfterThisElement).after(commentElement.clone(true));
90 }
91
92 var translations = {};
93
94 /**
95  * Retrieves the translation for the given key and calls the callback function.
96  * The callback function takes a single parameter, the translated string.
97  *
98  * @param key
99  *            The key of the translation string
100  * @param callback
101  *            The callback function
102  */
103 function getTranslation(key, callback) {
104         if (key in translations) {
105                 callback(translations[key]);
106                 return;
107         }
108         $.getJSON("getTranslation.ajax", {"key": key}, function(data, textStatus) {
109                 if ((data != null) && data.success) {
110                         translations[key] = data.value;
111                         callback(data.value);
112                 }
113         }, function(xmlHttpRequest, textStatus, error) {
114                 /* ignore error. */
115         });
116 }
117
118 /**
119  * Filters the given Sone ID, replacing all â€ś~” characters by an underscore.
120  *
121  * @param soneId
122  *            The Sone ID to filter
123  * @returns The filtered Sone ID
124  */
125 function filterSoneId(soneId) {
126         return soneId.replace(/[^a-zA-Z0-9-]/g, "_");
127 }
128
129 /**
130  * Updates the status of the given Sone.
131  *
132  * @param soneId
133  *            The ID of the Sone to update
134  * @param status
135  *            The status of the Sone (“idle”, â€śunknown”, â€śinserting”,
136  *            â€śdownloading”)
137  * @param modified
138  *            Whether the Sone is modified
139  * @param locked
140  *            Whether the Sone is locked
141  * @param lastUpdated
142  *            The date and time of the last update (formatted for display)
143  */
144 function updateSoneStatus(soneId, name, status, modified, locked, lastUpdated) {
145         $("#sone .sone." + filterSoneId(soneId)).
146                 toggleClass("unknown", status == "unknown").
147                 toggleClass("idle", status == "idle").
148                 toggleClass("inserting", status == "inserting").
149                 toggleClass("downloading", status == "downloading").
150                 toggleClass("modified", modified);
151         $("#sone .sone." + filterSoneId(soneId) + " .lock").toggleClass("hidden", locked);
152         $("#sone .sone." + filterSoneId(soneId) + " .unlock").toggleClass("hidden", !locked);
153         $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(lastUpdated);
154         $("#sone .sone." + filterSoneId(soneId) + " .profile-link a").text(name);
155 }
156
157 /**
158  * Enhances a â€śdelete” button so that the confirmation is done on the same page.
159  *
160  * @param button
161  *            The button element
162  * @param text
163  *            The text to show on the button
164  * @param deleteCallback
165  *            The callback that actually deletes something
166  */
167 function enhanceDeleteButton(button, text, deleteCallback) {
168         (function(button) {
169                 newButton = $("<button></button>").addClass("confirm").hide().text(text).click(function() {
170                         $(this).fadeOut("slow");
171                         deleteCallback();
172                         return false;
173                 }).insertAfter(button);
174                 (function(button, newButton) {
175                         button.click(function() {
176                                 button.fadeOut("slow", function() {
177                                         newButton.fadeIn("slow");
178                                         $(document).one("click", function() {
179                                                 if (this != newButton.get(0)) {
180                                                         newButton.fadeOut(function() {
181                                                                 button.fadeIn();
182                                                         });
183                                                 }
184                                         });
185                                 });
186                                 return false;
187                         });
188                 })(button, newButton);
189         })($(button));
190 }
191
192 /**
193  * Enhances a post’s â€śdelete” button.
194  *
195  * @param button
196  *            The button element
197  * @param postId
198  *            The ID of the post to delete
199  * @param text
200  *            The text to replace the button with
201  */
202 function enhanceDeletePostButton(button, postId, text) {
203         enhanceDeleteButton(button, text, function() {
204                 $.getJSON("deletePost.ajax", { "post": postId, "formPassword": getFormPassword() }, function(data, textStatus) {
205                         if (data == null) {
206                                 return;
207                         }
208                         if (data.success) {
209                                 $("#sone .post#" + postId).slideUp();
210                         } else if (data.error == "invalid-post-id") {
211                                 alert("Invalid post ID given!");
212                         } else if (data.error == "auth-required") {
213                                 alert("You need to be logged in.");
214                         } else if (data.error == "not-authorized") {
215                                 alert("You are not allowed to delete this post.");
216                         }
217                 }, function(xmlHttpRequest, textStatus, error) {
218                         /* ignore error. */
219                 });
220         });
221 }
222
223 /**
224  * Enhances a reply’s â€śdelete” button.
225  *
226  * @param button
227  *            The button element
228  * @param replyId
229  *            The ID of the reply to delete
230  * @param text
231  *            The text to replace the button with
232  */
233 function enhanceDeleteReplyButton(button, replyId, text) {
234         enhanceDeleteButton(button, text, function() {
235                 $.getJSON("deleteReply.ajax", { "reply": replyId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
236                         if (data == null) {
237                                 return;
238                         }
239                         if (data.success) {
240                                 $("#sone .reply#" + replyId).slideUp();
241                         } else if (data.error == "invalid-reply-id") {
242                                 alert("Invalid reply ID given!");
243                         } else if (data.error == "auth-required") {
244                                 alert("You need to be logged in.");
245                         } else if (data.error == "not-authorized") {
246                                 alert("You are not allowed to delete this reply.");
247                         }
248                 }, function(xmlHttpRequest, textStatus, error) {
249                         /* ignore error. */
250                 });
251         });
252 }
253
254 function getFormPassword() {
255         return $("#sone #formPassword").text();
256 }
257
258 function getSoneElement(element) {
259         return $(element).closest(".sone");
260 }
261
262 /**
263  * Generates a list of Sones by concatening the names of the given sones with a
264  * new line character (“\n”).
265  *
266  * @param sones
267  *            The sones to format
268  * @returns {String} The created string
269  */
270 function generateSoneList(sones) {
271         var soneList = "";
272         $.each(sones, function() {
273                 if (soneList != "") {
274                         soneList += ", ";
275                 }
276                 soneList += this.name;
277         });
278         return soneList;
279 }
280
281 /**
282  * Returns the ID of the Sone that this element belongs to.
283  *
284  * @param element
285  *            The element to locate the matching Sone ID for
286  * @returns The ID of the Sone, or undefined
287  */
288 function getSoneId(element) {
289         return getSoneElement(element).find(".id").text();
290 }
291
292 function getPostElement(element) {
293         return $(element).closest(".post");
294 }
295
296 function getPostId(element) {
297         return getPostElement(element).attr("id");
298 }
299
300 function getPostTime(element) {
301         return getPostElement(element).find(".post-time").text();
302 }
303
304 function getReplyElement(element) {
305         return $(element).closest(".reply");
306 }
307
308 function getReplyId(element) {
309         return getReplyElement(element).attr("id");
310 }
311
312 function getReplyTime(element) {
313         return getReplyElement(element).find(".reply-time").text();
314 }
315
316 function likePost(postId) {
317         $.getJSON("like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
318                 if ((data == null) || !data.success) {
319                         return;
320                 }
321                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
322                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
323                 updatePostLikes(postId);
324         }, function(xmlHttpRequest, textStatus, error) {
325                 /* ignore error. */
326         });
327 }
328
329 function unlikePost(postId) {
330         $.getJSON("unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
331                 if ((data == null) || !data.success) {
332                         return;
333                 }
334                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
335                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
336                 updatePostLikes(postId);
337         }, function(xmlHttpRequest, textStatus, error) {
338                 /* ignore error. */
339         });
340 }
341
342 function updatePostLikes(postId) {
343         $.getJSON("getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
344                 if ((data != null) && data.success) {
345                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0)
346                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
347                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
348                 }
349         }, function(xmlHttpRequest, textStatus, error) {
350                 /* ignore error. */
351         });
352 }
353
354 function likeReply(replyId) {
355         $.getJSON("like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
356                 if ((data == null) || !data.success) {
357                         return;
358                 }
359                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
360                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
361                 updateReplyLikes(replyId);
362         }, function(xmlHttpRequest, textStatus, error) {
363                 /* ignore error. */
364         });
365 }
366
367 function unlikeReply(replyId) {
368         $.getJSON("unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
369                 if ((data == null) || !data.success) {
370                         return;
371                 }
372                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
373                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
374                 updateReplyLikes(replyId);
375         }, function(xmlHttpRequest, textStatus, error) {
376                 /* ignore error. */
377         });
378 }
379
380 function updateReplyLikes(replyId) {
381         $.getJSON("getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
382                 if ((data != null) && data.success) {
383                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0)
384                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
385                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
386                 }
387         }, function(xmlHttpRequest, textStatus, error) {
388                 /* ignore error. */
389         });
390 }
391
392 /**
393  * Posts a reply and calls the given callback when the request finishes.
394  *
395  * @param postId
396  *            The ID of the post the reply refers to
397  * @param text
398  *            The text to post
399  * @param callbackFunction
400  *            The callback function to call when the request finishes (takes 3
401  *            parameters: success, error, replyId)
402  */
403 function postReply(postId, text, callbackFunction) {
404         $.getJSON("createReply.ajax", { "formPassword" : getFormPassword(), "post" : postId, "text": text }, function(data, textStatus) {
405                 if (data == null) {
406                         /* TODO - show error */
407                         return;
408                 }
409                 if (data.success) {
410                         callbackFunction(true, null, data.reply);
411                 } else {
412                         callbackFunction(false, data.error);
413                 }
414         }, function(xmlHttpRequest, textStatus, error) {
415                 /* ignore error. */
416         });
417 }
418
419 /**
420  * Requests information about the reply with the given ID.
421  *
422  * @param replyId
423  *            The ID of the reply
424  * @param callbackFunction
425  *            A callback function (parameters soneId, soneName, replyTime,
426  *            replyDisplayTime, text, html)
427  */
428 function getReply(replyId, callbackFunction) {
429         $.getJSON("getReply.ajax", { "reply" : replyId }, function(data, textStatus) {
430                 if ((data != null) && data.success) {
431                         callbackFunction(data.soneId, data.soneName, data.time, data.displayTime, data.text, data.html);
432                 }
433         }, function(xmlHttpRequest, textStatus, error) {
434                 /* ignore error. */
435         });
436 }
437
438 /**
439  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
440  *
441  * @param postElement
442  *            The post element to ajaxify
443  */
444 function ajaxifyPost(postElement) {
445         $(postElement).find("form").submit(function() {
446                 return false;
447         });
448         $(postElement).find(".create-reply button:submit").click(function() {
449                 inputField = $(this.form).find(":input:enabled").get(0);
450                 postId = getPostId(this);
451                 text = $(inputField).val();
452                 (function(postId, text, inputField) {
453                         postReply(postId, text, function(success, error, replyId) {
454                                 if (success) {
455                                         $(inputField).val("");
456                                         loadNewReply(replyId);
457                                         markPostAsKnown(getPostElement(inputField));
458                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
459                                 } else {
460                                         alert(error);
461                                 }
462                         });
463                 })(postId, text, inputField);
464                 return false;
465         });
466
467         /* replace all â€śdelete” buttons with javascript. */
468         (function(postElement) {
469                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
470                         postId = getPostId(postElement);
471                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
472                 });
473         })(postElement);
474
475         /* convert all â€ślike” buttons to javascript functions. */
476         $(postElement).find(".like-post").submit(function() {
477                 likePost(getPostId(this));
478                 markPostAsKnown(getPostElement(this));
479                 return false;
480         });
481         $(postElement).find(".unlike-post").submit(function() {
482                 unlikePost(getPostId(this));
483                 markPostAsKnown(getPostElement(this));
484                 return false;
485         });
486
487         /* add â€ścomment” link. */
488         addCommentLink(getPostId(postElement), postElement, $(postElement).find(".post-status-line .time"));
489
490         /* process all replies. */
491         $(postElement).find(".reply").each(function() {
492                 ajaxifyReply(this);
493         });
494
495         /* process reply input fields. */
496         getTranslation("WebInterface.DefaultText.Reply", function(text) {
497                 $(postElement).find("input.reply-input").each(function() {
498                         registerInputTextareaSwap(this, text, "text", false, false);
499                 });
500         });
501
502         /* mark everything as known on click. */
503         $(postElement).click(function() {
504                 markPostAsKnown(this);
505         });
506
507         /* hide reply input field. */
508         $(postElement).find(".create-reply").addClass("hidden");
509 }
510
511 /**
512  * Ajaxifies the given reply element.
513  *
514  * @param replyElement
515  *            The reply element to ajaxify
516  */
517 function ajaxifyReply(replyElement) {
518         $(replyElement).find(".like-reply").submit(function() {
519                 likeReply(getReplyId(this));
520                 markPostAsKnown(getPostElement(this));
521                 return false;
522         });
523         $(replyElement).find(".unlike-reply").submit(function() {
524                 unlikeReply(getReplyId(this));
525                 markPostAsKnown(getPostElement(this));
526                 return false;
527         });
528         (function(replyElement) {
529                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
530                         $(replyElement).find(".delete-reply button").each(function() {
531                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
532                         });
533                 });
534         })(replyElement);
535         addCommentLink(getPostId(replyElement), replyElement, $(replyElement).find(".reply-status-line .time"));
536
537         /* mark post and all replies as known on click. */
538         $(replyElement).click(function() {
539                 markPostAsKnown(getPostElement(this));
540         });
541 }
542
543 /**
544  * Ajaxifies the given notification by replacing the form with AJAX.
545  *
546  * @param notification
547  *            jQuery object representing the notification.
548  */
549 function ajaxifyNotification(notification) {
550         notification.find("form.dismiss").submit(function() {
551                 return false;
552         });
553         notification.find("form.dismiss button").click(function() {
554                 $.getJSON("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
555                         /* dismiss in case of error, too. */
556                         notification.slideUp();
557                 }, function(xmlHttpRequest, textStatus, error) {
558                         /* ignore error. */
559                 });
560         });
561         return notification;
562 }
563
564 function getStatus() {
565         $.getJSON("getStatus.ajax", {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
566                 if ((data != null) && data.success) {
567                         /* process Sone information. */
568                         $.each(data.sones, function(index, value) {
569                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdated);
570                         });
571                         /* process notifications. */
572                         $.each(data.notifications, function(index, value) {
573                                 oldNotification = $("#sone #notification-area .notification#" + value.id);
574                                 notification = ajaxifyNotification(createNotification(value.id, value.text, value.dismissable)).hide();
575                                 if (oldNotification.length != 0) {
576                                         oldNotification.replaceWith(notification.show());
577                                 } else {
578                                         $("#sone #notification-area").append(notification);
579                                         notification.slideDown();
580                                 }
581                                 setActivity();
582                         });
583                         $.each(data.removedNotifications, function(index, value) {
584                                 $("#sone #notification-area .notification#" + value.id).slideUp();
585                         });
586                         /* process new posts. */
587                         $.each(data.newPosts, function(index, value) {
588                                 loadNewPost(value);
589                         });
590                         /* process new replies. */
591                         $.each(data.newReplies, function(index, value) {
592                                 loadNewReply(value);
593                         });
594                         /* do it again in 5 seconds. */
595                         setTimeout(getStatus, 5000);
596                 } else {
597                         /* data.success was false, wait 30 seconds. */
598                         setTimeout(getStatus, 30000);
599                 }
600         }, function(xmlHttpRequest, textStatus, error) {
601                 /* something really bad happend, wait a minute. */
602                 setTimeout(getStatus, 60000);
603         })
604 }
605
606 /**
607  * Returns the content of the page-id attribute.
608  *
609  * @returns The page ID
610  */
611 function getPageId() {
612         return $("#sone .page-id").text();
613 }
614
615 /**
616  * Returns whether the current page is the index page.
617  *
618  * @returns {Boolean} <code>true</code> if the current page is the index page,
619  *          <code>false</code> otherwise
620  */
621 function isIndexPage() {
622         return getPageId() == "index";
623 }
624
625 /**
626  * Returns whether the current page is a â€śview Sone” page.
627  *
628  * @returns {Boolean} <code>true</code> if the current page is a â€śview Sone”
629  *          page, <code>false</code> otherwise
630  */
631 function isViewSonePage() {
632         return getPageId() == "view-sone";
633 }
634
635 /**
636  * Returns the ID of the currently shown Sone. This will only return a sensible
637  * value if isViewSonePage() returns <code>true</code>.
638  *
639  * @returns The ID of the currently shown Sone
640  */
641 function getShownSoneId() {
642         return $("#sone .sone-id").text();
643 }
644
645 /**
646  * Returns whether the current page is a â€śview post” page.
647  *
648  * @returns {Boolean} <code>true</code> if the current page is a â€śview post”
649  *          page, <code>false</code> otherwise
650  */
651 function isViewPostPage() {
652         return getPageId() == "view-post";
653 }
654
655 /**
656  * Returns the ID of the currently shown post. This will only return a sensible
657  * value if isViewPostPage() returns <code>true</code>.
658  *
659  * @returns The ID of the currently shown post
660  */
661 function getShownPostId() {
662         return $("#sone .post-id").text();
663 }
664
665 /**
666  * Returns whether the current page is the â€śknown Sones” page.
667  *
668  * @returns {Boolean} <code>true</code> if the current page is the â€śknown
669  *          Sones” page, <code>false</code> otherwise
670  */
671 function isKnownSonesPage() {
672         return getPageId() == "known-sones";
673 }
674
675 /**
676  * Returns whether a post with the given ID exists on the current page.
677  *
678  * @param postId
679  *            The post ID to check for
680  * @returns {Boolean} <code>true</code> if a post with the given ID already
681  *          exists on the page, <code>false</code> otherwise
682  */
683 function hasPost(postId) {
684         return $(".post#" + postId).length > 0;
685 }
686
687 /**
688  * Returns whether a reply with the given ID exists on the current page.
689  *
690  * @param replyId
691  *            The reply ID to check for
692  * @returns {Boolean} <code>true</code> if a reply with the given ID already
693  *          exists on the page, <code>false</code> otherwise
694  */
695 function hasReply(replyId) {
696         return $("#sone .reply#" + replyId).length > 0;
697 }
698
699 function loadNewPost(postId) {
700         if (hasPost(postId)) {
701                 return;
702         }
703         $.getJSON("getPost.ajax", { "post" : postId }, function(data, textStatus) {
704                 if ((data != null) && data.success) {
705                         if (hasPost(data.post.id)) {
706                                 return;
707                         }
708                         if (!isIndexPage() && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient)))) {
709                                 return;
710                         }
711                         var firstOlderPost = null;
712                         $("#sone .post").each(function() {
713                                 if (getPostTime(this) < data.post.time) {
714                                         firstOlderPost = $(this);
715                                         return false;
716                                 }
717                         });
718                         newPost = $(data.post.html).addClass("hidden");
719                         if (firstOlderPost != null) {
720                                 newPost.insertBefore(firstOlderPost);
721                         } else {
722                                 $("#sone #posts").append(newPost);
723                         }
724                         ajaxifyPost(newPost);
725                         newPost.slideDown();
726                         setActivity();
727                 }
728         });
729 }
730
731 function loadNewReply(replyId) {
732         if (hasReply(replyId)) {
733                 return;
734         }
735         $.getJSON("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
736                 /* find post. */
737                 if ((data != null) && data.success) {
738                         if (hasReply(data.reply.id)) {
739                                 return;
740                         }
741                         $("#sone .post#" + data.reply.postId).each(function() {
742                                 var firstNewerReply = null;
743                                 $(this).find(".replies .reply").each(function() {
744                                         if (getReplyTime(this) > data.reply.time) {
745                                                 firstNewerReply = $(this);
746                                                 return false;
747                                         }
748                                 });
749                                 newReply = $(data.reply.html).addClass("hidden");
750                                 if (firstNewerReply != null) {
751                                         newReply.insertBefore(firstNewerReply);
752                                 } else {
753                                         if ($(this).find(".replies .create-reply")) {
754                                                 $(this).find(".replies .create-reply").before(newReply);
755                                         } else {
756                                                 $(this).find(".replies").append(newReply);
757                                         }
758                                 }
759                                 ajaxifyReply(newReply);
760                                 newReply.slideDown();
761                                 setActivity();
762                                 return false;
763                         });
764                 }
765         });
766 }
767
768 function markPostAsKnown(postElements) {
769         $(postElements).each(function() {
770                 postElement = this;
771                 if ($(postElement).hasClass("new")) {
772                         (function(postElement) {
773                                 $.getJSON("markPostAsKnown.ajax", {"formPassword": getFormPassword(), "post": getPostId(postElement)}, function(data, textStatus) {
774                                         $(postElement).removeClass("new");
775                                 });
776                         })(postElement);
777                 }
778         });
779         markReplyAsKnown($(postElements).find(".reply"));
780 }
781
782 function markReplyAsKnown(replyElements) {
783         $(replyElements).each(function() {
784                 replyElement = this;
785                 if ($(replyElement).hasClass("new")) {
786                         (function(replyElement) {
787                                 $.getJSON("markReplyAsKnown.ajax", {"formPassword": getFormPassword(), "reply": getReplyId(replyElement)}, function(data, textStatus) {
788                                         $(replyElement).removeClass("new");
789                                 });
790                         })(replyElement);
791                 }
792         });
793 }
794
795 function resetActivity() {
796         title = document.title;
797         if (title.indexOf('(') == 0) {
798                 document.title = title.substr(title.indexOf(' ') + 1);
799         }
800 }
801
802 function setActivity() {
803         if (!focus) {
804                 title = document.title;
805                 if (title.indexOf('(') != 0) {
806                         document.title = "(!) " + title;
807                 }
808         }
809 }
810
811 /**
812  * Creates a new notification.
813  *
814  * @param id
815  *            The ID of the notificaiton
816  * @param text
817  *            The text of the notification
818  * @param dismissable
819  *            <code>true</code> if the notification can be dismissed by the
820  *            user
821  */
822 function createNotification(id, text, dismissable) {
823         notification = $("<div></div>").addClass("notification").attr("id", id);
824         if (dismissable) {
825                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id")
826                 dismissForm.find("input[name=notification]").val(id);
827                 notification.append(dismissForm);
828         }
829         notification.append(text);
830         return notification;
831 }
832
833 /**
834  * Shows the details of the notification with the given ID.
835  *
836  * @param notificationId
837  *            The ID of the notification
838  */
839 function showNotificationDetails(notificationId) {
840         $("#sone .notification#" + notificationId + " .text").show();
841         $("#sone .notification#" + notificationId + " .short-text").hide();
842 }
843
844 //
845 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
846 //
847
848 var focus = true;
849
850 $(document).ready(function() {
851
852         /* this initializes the status update input field. */
853         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
854                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
855                 $("#sone #update-status").submit(function() {
856                         if ($(this).find(":input.default:enabled").length > 0) {
857                                 return false;
858                         }
859                         text = $(this).find(":input:enabled").val();
860                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "text": text }, function(data, textStatus) {
861                                 if ((data != null) && data.success) {
862                                         loadNewPost(data.postId);
863                                 }
864                         });
865                         $(this).find(":input:enabled").val("").blur();
866                         return false;
867                 });
868         });
869
870         /* ajaxify input field on â€śview Sone” page. */
871         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
872                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
873                 $("#sone #post-message").submit(function() {
874                         text = $(this).find(":input:enabled").val();
875                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "text": text }, function(data, textStatus) {
876                                 if ((data != null) && data.success) {
877                                         loadNewPost(data.postId);
878                                 }
879                         });
880                         $(this).find(":input:enabled").val("").blur();
881                         return false;
882                 });
883         });
884
885         /* Ajaxifies all posts. */
886         /* calling getTranslation here will cache the necessary values. */
887         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
888                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
889                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
890                                 $("#sone .post").each(function() {
891                                         ajaxifyPost(this);
892                                 });
893                         });
894                 });
895         });
896
897         /* hides all replies but the latest two. */
898         if (!isViewPostPage()) {
899                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
900                         $("#sone .post .replies").each(function() {
901                                 allReplies = $(this).find(".reply");
902                                 if (allReplies.length > 2) {
903                                         newHidden = false;
904                                         for (replyIndex = 0; replyIndex < (allReplies.length - 2); ++replyIndex) {
905                                                 $(allReplies[replyIndex]).addClass("hidden");
906                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
907                                         }
908                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
909                                         if (newHidden) {
910                                                 clickToShowElement.addClass("new");
911                                         }
912                                         (function(clickToShowElement, allReplies, text) {
913                                                 clickToShowElement.text(text);
914                                                 clickToShowElement.click(function() {
915                                                         allReplies.removeClass("hidden");
916                                                         clickToShowElement.addClass("hidden");
917                                                 });
918                                         })(clickToShowElement, allReplies, text);
919                                         $(allReplies[0]).before(clickToShowElement);
920                                 }
921                         });
922                 });
923         }
924
925         /*
926          * convert all â€śfollow”, â€śunfollow”, â€ślock”, and â€śunlock” links to something
927          * nicer.
928          */
929         $("#sone .follow").submit(function() {
930                 var followElement = this;
931                 $.getJSON("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
932                         $(followElement).addClass("hidden");
933                         $(followElement).parent().find(".unfollow").removeClass("hidden");
934                 });
935                 return false;
936         });
937         $("#sone .unfollow").submit(function() {
938                 var unfollowElement = this;
939                 $.getJSON("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
940                         $(unfollowElement).addClass("hidden");
941                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
942                 });
943                 return false;
944         });
945         $("#sone .lock").submit(function() {
946                 var lockElement = this;
947                 $.getJSON("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
948                         $(lockElement).addClass("hidden");
949                         $(lockElement).parent().find(".unlock").removeClass("hidden");
950                 });
951                 return false;
952         });
953         $("#sone .unlock").submit(function() {
954                 var unlockElement = this;
955                 $.getJSON("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
956                         $(unlockElement).addClass("hidden");
957                         $(unlockElement).parent().find(".lock").removeClass("hidden");
958                 });
959                 return false;
960         });
961
962         /* process all existing notifications, ajaxify dismiss buttons. */
963         $("#sone #notification-area .notification").each(function() {
964                 ajaxifyNotification($(this));
965         });
966
967         /* activate status polling. */
968         setTimeout(getStatus, 5000);
969
970         /* reset activity counter when the page has focus. */
971         $(window).focus(function() {
972                 focus = true;
973                 resetActivity();
974         }).blur(function() {
975                 focus = false;
976         })
977
978 });