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 = getPostElement(this);
 763                         rawPostText = $(".post-text.raw-text", post);
 764                         rawPostText.toggleClass("hidden");
 765                         if (rawPostText.hasClass("hidden")) {
 766                                 $(".post-text.short-text", post).removeClass("hidden");
 767                                 $(".post-text.text", post).addClass("hidden");
 768                                 $(".expand-post-text", post).removeClass("hidden");
 769                         } else {
 770                                 $(".post-text.short-text", post).addClass("hidden");
 771                                 $(".post-text.text", post).addClass("hidden");
 772                                 $(".expand-post-text", post).addClass("hidden");
 773                         }
 774                         return false;
 775                 });
 776         });
 777
 778         /* convert “show more” link into javascript function. */
 779         $(postElement).find(".expand-post-text").each(function() {
 780                 $(this).click(function() {
 781                         $(".post-text.text", getPostElement(this)).toggleClass("hidden");
 782                         $(".post-text.short-text", getPostElement(this)).toggleClass("hidden");
 783                         return false;
 784                 });
 785         });
 786
 787         /* add “comment” link. */
 788         addCommentLink(getPostId(postElement), getPostAuthor(postElement), postElement, $(postElement).find(".post-status-line .permalink-author"));
 789
 790         /* process all replies. */
 791         replyIds = [];
 792         $(postElement).find(".reply").each(function() {
 793                 replyIds.push(getReplyId(this));
 794                 ajaxifyReply(this);
 795         });
 796         updateReplyTimes(replyIds.join(","));
 797
 798         /* process reply input fields. */
 799         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 800                 $(postElement).find("input.reply-input").each(function() {
 801                         registerInputTextareaSwap(this, text, "text", false, false);
 802                 });
 803         });
 804
 805         /* process sender selection. */
 806         $(".select-sender", postElement).css("display", "inline");
 807         $(".sender", postElement).hide();
 808         $(".select-sender button", postElement).click(function() {
 809                 $(".sender", postElement).show();
 810                 $(".select-sender", postElement).hide();
 811                 return false;
 812         });
 813
 814         /* mark everything as known on click. */
 815         $(postElement).click(function(event) {
 816                 if ($(event.target).hasClass("click-to-show")) {
 817                         return false;
 818                 }
 819                 markPostAsKnown(this);
 820         });
 821
 822         /* hide reply input field. */
 823         $(postElement).find(".create-reply").addClass("hidden");
 824 }
 825
 826 /**
 827  * Ajaxifies the given reply element.
 828  *
 829  * @param replyElement
 830  *            The reply element to ajaxify
 831  */
 832 function ajaxifyReply(replyElement) {
 833         $(replyElement).find(".like-reply").submit(function() {
 834                 likeReply(getReplyId(this));
 835                 return false;
 836         });
 837         $(replyElement).find(".unlike-reply").submit(function() {
 838                 unlikeReply(getReplyId(this));
 839                 return false;
 840         });
 841         (function(replyElement) {
 842                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 843                         $(replyElement).find(".delete-reply button").each(function() {
 844                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 845                         });
 846                 });
 847         })(replyElement);
 848         addCommentLink(getPostId(replyElement), getReplyAuthor(replyElement), replyElement, $(replyElement).find(".reply-status-line .permalink-author"));
 849
 850         /* convert “show source” link into javascript function. */
 851         $(replyElement).find(".show-reply-source").each(function() {
 852                 $("a", this).click(function() {
 853                         reply = getReplyElement(this);
 854                         rawReplyText = $(".reply-text.raw-text", reply);
 855                         rawReplyText.toggleClass("hidden");
 856                         if (rawReplyText.hasClass("hidden")) {
 857                                 $(".reply-text.short-text", reply).removeClass("hidden");
 858                                 $(".reply-text.text", reply).addClass("hidden");
 859                                 $(".expand-reply-text", reply).removeClass("hidden");
 860                         } else {
 861                                 $(".reply-text.short-text", reply).addClass("hidden");
 862                                 $(".reply-text.text", reply).addClass("hidden");
 863                                 $(".expand-reply-text", reply).addClass("hidden");
 864                         }
 865                         return false;
 866                 });
 867         });
 868
 869         /* convert “show more” link into javascript function. */
 870         $(replyElement).find(".expand-reply-text").each(function() {
 871                 $(this).click(function() {
 872                         $(".reply-text.text", getReplyElement(this)).toggleClass("hidden");
 873                         $(".reply-text.short-text", getReplyElement(this)).toggleClass("hidden");
 874                         return false;
 875                 });
 876         });
 877
 878         /* convert trust control buttons to javascript functions. */
 879         $(replyElement).find(".reply-trust").submit(function() {
 880                 trustSone(getReplyAuthor(this));
 881                 return false;
 882         });
 883         $(replyElement).find(".reply-distrust").submit(function() {
 884                 distrustSone(getReplyAuthor(this));
 885                 return false;
 886         });
 887         $(replyElement).find(".reply-untrust").submit(function() {
 888                 untrustSone(getReplyAuthor(this));
 889                 return false;
 890         });
 891 }
 892
 893 /**
 894  * Ajaxifies the given notification by replacing the form with AJAX.
 895  *
 896  * @param notification
 897  *            jQuery object representing the notification.
 898  */
 899 function ajaxifyNotification(notification) {
 900         notification.find("form").submit(function() {
 901                 return false;
 902         });
 903         notification.find("input[name=returnPage]").val($.url.attr("relative"));
 904         if (notification.find(".short-text").length > 0) {
 905                 notification.find(".short-text").removeClass("hidden");
 906                 notification.find(".text").addClass("hidden");
 907         }
 908         notification.find("form.mark-as-read button").click(function() {
 909                 allIds = $(":input[name=id]", this.form).val().split(" ");
 910                 for (index = 0; index < allIds.length; index += 16) {
 911                         ids = allIds.slice(index, index + 16).join(" ");
 912                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": ids});
 913                 }
 914         });
 915         notification.find("a[class^='link-']").each(function() {
 916                 linkElement = $(this);
 917                 if (linkElement.is("[href^='viewPost']")) {
 918                         id = linkElement.attr("class").substr(5);
 919                         if (hasPost(id)) {
 920                                 linkElement.attr("href", "#post-" + id).addClass("in-page-link");
 921                         }
 922                 }
 923         });
 924         notification.find("form.dismiss button").click(function() {
 925                 ajaxGet("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 926                         /* dismiss in case of error, too. */
 927                         notification.slideUp();
 928                 }, function(xmlHttpRequest, textStatus, error) {
 929                         /* ignore error. */
 930                 });
 931         });
 932         return notification;
 933 }
 934
 935 /**
 936  * Retrieves element IDs from notification elements.
 937  *
 938  * @param notification
 939  *            The notification element
 940  * @param selector
 941  *            The selector of the element containing the ID as text
 942  * @returns All extracted IDs
 943  */
 944 function getElementIds(notification, selector) {
 945         elementIds = [];
 946         $(selector, notification).each(function() {
 947                 elementIds.push($(this).text());
 948         });
 949         return elementIds;
 950 }
 951
 952 /**
 953  * Compares the given notification elements and calls {@link #markSoneAsKnown()}
 954  * for every ID that is contained in the old notification but not in the new.
 955  *
 956  * @param oldNotification
 957  *            The old notification element
 958  * @param newNotification
 959  *            The new notification element
 960  */
 961 function checkForRemovedSones(oldNotification, newNotification) {
 962         if (getNotificationId(oldNotification) != "new-sone-notification") {
 963                 return;
 964         }
 965         oldIds = getElementIds(oldNotification, ".new-sone-id");
 966         newIds = getElementIds(newNotification, ".new-sone-id");
 967         $.each(oldIds, function(index, value) {
 968                 if ($.inArray(value, newIds) == -1) {
 969                         markSoneAsKnown(getSone(value), true);
 970                 }
 971         });
 972 }
 973
 974 /**
 975  * Compares the given notification elements and calls {@link #markPostAsKnown()}
 976  * for every ID that is contained in the old notification but not in the new.
 977  *
 978  * @param oldNotification
 979  *            The old notification element
 980  * @param newNotification
 981  *            The new notification element
 982  */
 983 function checkForRemovedPosts(oldNotification, newNotification) {
 984         if (getNotificationId(oldNotification) != "new-post-notification") {
 985                 return;
 986         }
 987         oldIds = getElementIds(oldNotification, ".post-id");
 988         newIds = getElementIds(newNotification, ".post-id");
 989         $.each(oldIds, function(index, value) {
 990                 if ($.inArray(value, newIds) == -1) {
 991                         markPostAsKnown(getPost(value), true);
 992                 }
 993         });
 994 }
 995
 996 /**
 997  * Compares the given notification elements and calls
 998  * {@link #markReplyAsKnown()} for every ID that is contained in the old
 999  * notification but not in the new.
1000  *
1001  * @param oldNotification
1002  *            The old notification element
1003  * @param newNotification
1004  *            The new notification element
1005  */
1006 function checkForRemovedReplies(oldNotification, newNotification) {
1007         if (getNotificationId(oldNotification) != "new-replies-notification") {
1008                 return;
1009         }
1010         oldIds = getElementIds(oldNotification, ".reply-id");
1011         newIds = getElementIds(newNotification, ".reply-id");
1012         $.each(oldIds, function(index, value) {
1013                 if ($.inArray(value, newIds) == -1) {
1014                         markReplyAsKnown(getReply(value), true);
1015                 }
1016         });
1017 }
1018
1019 function getStatus() {
1020         ajaxGet("getStatus.ajax", isViewSonePage() ? {"soneIds": getShownSoneId() } : {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
1021                 if ((data != null) && data.success) {
1022                         /* process Sone information. */
1023                         $.each(data.sones, function(index, value) {
1024                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated, value.lastUpdatedText);
1025                         });
1026                         notLoggedIn = !data.loggedIn;
1027                         if (!notLoggedIn) {
1028                                 showOfflineMarker(!online);
1029                         }
1030                         /* search for removed notifications. */
1031                         $("#sone #notification-area .notification").each(function() {
1032                                 notificationId = $(this).attr("id");
1033                                 foundNotification = false;
1034                                 $.each(data.notifications, function(index, value) {
1035                                         if (value.id == notificationId) {
1036                                                 foundNotification = true;
1037                                                 return false;
1038                                         }
1039                                 });
1040                                 if (!foundNotification) {
1041                                         if (notificationId == "new-sone-notification") {
1042                                                 $(".new-sone-id", this).each(function(index, element) {
1043                                                         soneId = $(this).text();
1044                                                         markSoneAsKnown(getSone(soneId), true);
1045                                                 });
1046                                         } else if (notificationId == "new-post-notification") {
1047                                                 $(".post-id", this).each(function(index, element) {
1048                                                         postId = $(this).text();
1049                                                         markPostAsKnown(getPost(postId), true);
1050                                                 });
1051                                         } else if (notificationId == "new-replies-notification") {
1052                                                 $(".reply-id", this).each(function(index, element) {
1053                                                         replyId = $(this).text();
1054                                                         markReplyAsKnown(getReply(replyId), true);
1055                                                 });
1056                                         }
1057                                         $(this).slideUp("normal", function() {
1058                                                 $(this).remove();
1059                                                 /* remove activity when no notifications are visible. */
1060                                                 if ($("#sone #notification-area .notification").length == 0) {
1061                                                         resetActivity();
1062                                                 }
1063                                         });
1064                                 }
1065                         });
1066                         /* process notifications. */
1067                         notificationIds = [];
1068                         $.each(data.notifications, function(index, value) {
1069                                 oldNotification = getNotification(value.id);
1070                                 if ((oldNotification.length == 0) || (value.lastUpdatedTime > getNotificationLastUpdatedTime(oldNotification))) {
1071                                         notificationIds.push(value.id);
1072                                 }
1073                         });
1074                         if (notificationIds.length > 0) {
1075                                 loadNotifications(notificationIds);
1076                         }
1077                         /* process new posts. */
1078                         $.each(data.newPosts, function(index, value) {
1079                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
1080                         });
1081                         /* process new replies. */
1082                         $.each(data.newReplies, function(index, value) {
1083                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
1084                         });
1085                         /* do it again in 5 seconds. */
1086                         setTimeout(getStatus, 5000);
1087                 } else {
1088                         /* data.success was false, wait 30 seconds. */
1089                         setTimeout(getStatus, 30000);
1090                 }
1091         }, function() {
1092                 statusRequestQueued = false;
1093                 ajaxError();
1094         });
1095 }
1096
1097 /**
1098  * Requests multiple notifications from Sone and displays them.
1099  *
1100  * @param notificationIds
1101  *            Array of IDs of the notifications to load
1102  */
1103 function loadNotifications(notificationIds) {
1104         ajaxGet("getNotification.ajax", {"notifications": notificationIds.join(",")}, function(data, textStatus) {
1105                 if (!data || !data.success) {
1106                         // TODO - show error
1107                         return;
1108                 }
1109                 $.each(data.notifications, function(index, value) {
1110                         oldNotification = getNotification(value.id);
1111                         notification = ajaxifyNotification(createNotification(value.id, value.lastUpdatedTime, value.text, value.dismissable)).hide();
1112                         if (oldNotification.length != 0) {
1113                                 if ((oldNotification.find(".short-text").length > 0) && (notification.find(".short-text").length > 0)) {
1114                                         opened = oldNotification.is(":visible") && oldNotification.find(".short-text").hasClass("hidden");
1115                                         notification.find(".short-text").toggleClass("hidden", opened);
1116                                         notification.find(".text").toggleClass("hidden", !opened);
1117                                 }
1118                                 checkForRemovedSones(oldNotification, notification);
1119                                 checkForRemovedPosts(oldNotification, notification);
1120                                 checkForRemovedReplies(oldNotification, notification);
1121                                 oldNotification.replaceWith(notification.show());
1122                         } else {
1123                                 $("#sone #notification-area").append(notification);
1124                                 if (value.id.substring(0, 5) != "local") {
1125                                         notification.slideDown();
1126                                         setActivity();
1127                                 }
1128                         }
1129                 });
1130         });
1131 }
1132
1133 /**
1134  * Returns the ID of the currently logged in Sone.
1135  *
1136  * @return The ID of the current Sone, or an empty string if no Sone is logged
1137  *         in
1138  */
1139 function getCurrentSoneId() {
1140         return $("#currentSoneId").text();
1141 }
1142
1143 /**
1144  * Returns the content of the page-id attribute.
1145  *
1146  * @returns The page ID
1147  */
1148 function getPageId() {
1149         return $("#sone .page-id").text();
1150 }
1151
1152 /**
1153  * Returns whether the current page is the index page.
1154  *
1155  * @returns {Boolean} <code>true</code> if the current page is the index page,
1156  *          <code>false</code> otherwise
1157  */
1158 function isIndexPage() {
1159         return getPageId() == "index";
1160 }
1161
1162 /**
1163  * Returns the current page of the selected pagination. If no pagination can be
1164  * found with the given selector, {@code 1} is returned.
1165  *
1166  * @param paginationSelector
1167  *            The pagination selector
1168  * @returns The current page of the pagination
1169  */
1170 function getPage(paginationSelector) {
1171         pagination = $(paginationSelector);
1172         if (pagination.length > 0) {
1173                 return $(".current-page", paginationSelector).text();
1174         }
1175         return 1;
1176 }
1177
1178 /**
1179  * Returns whether the current page is a “view Sone” page.
1180  *
1181  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
1182  *          page, <code>false</code> otherwise
1183  */
1184 function isViewSonePage() {
1185         return getPageId() == "view-sone";
1186 }
1187
1188 /**
1189  * Returns the ID of the currently shown Sone. This will only return a sensible
1190  * value if isViewSonePage() returns <code>true</code>.
1191  *
1192  * @returns The ID of the currently shown Sone
1193  */
1194 function getShownSoneId() {
1195         return $("#sone .sone-id").text();
1196 }
1197
1198 /**
1199  * Returns whether the current page is a “view post” page.
1200  *
1201  * @returns {Boolean} <code>true</code> if the current page is a “view post”
1202  *          page, <code>false</code> otherwise
1203  */
1204 function isViewPostPage() {
1205         return getPageId() == "view-post";
1206 }
1207
1208 /**
1209  * Returns the ID of the currently shown post. This will only return a sensible
1210  * value if isViewPostPage() returns <code>true</code>.
1211  *
1212  * @returns The ID of the currently shown post
1213  */
1214 function getShownPostId() {
1215         return $("#sone .post-id").text();
1216 }
1217
1218 /**
1219  * Returns whether the current page is the “known Sones” page.
1220  *
1221  * @returns {Boolean} <code>true</code> if the current page is the “known
1222  *          Sones” page, <code>false</code> otherwise
1223  */
1224 function isKnownSonesPage() {
1225         return getPageId() == "known-sones";
1226 }
1227
1228 /**
1229  * Returns whether a post with the given ID exists on the current page.
1230  *
1231  * @param postId
1232  *            The post ID to check for
1233  * @returns {Boolean} <code>true</code> if a post with the given ID already
1234  *          exists on the page, <code>false</code> otherwise
1235  */
1236 function hasPost(postId) {
1237         return $(".post#" + postId).length > 0;
1238 }
1239
1240 /**
1241  * Returns whether a reply with the given ID exists on the current page.
1242  *
1243  * @param replyId
1244  *            The reply ID to check for
1245  * @returns {Boolean} <code>true</code> if a reply with the given ID already
1246  *          exists on the page, <code>false</code> otherwise
1247  */
1248 function hasReply(replyId) {
1249         return $("#sone .reply#" + replyId).length > 0;
1250 }
1251
1252 function loadNewPost(postId, soneId, recipientId, time) {
1253         if (hasPost(postId)) {
1254                 return;
1255         }
1256         if (!isIndexPage() || (getPage(".pagination-index") > 1)) {
1257                 if (!isViewPostPage() || (getShownPostId() != postId)) {
1258                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId)) || (getPage(".post-navigation") > 1)) {
1259                                 return;
1260                         }
1261                 }
1262         }
1263         if (getPostTime($("#sone .post").last()) > time) {
1264                 return;
1265         }
1266         ajaxGet("getPost.ajax", { "post" : postId }, function(data, textStatus) {
1267                 if ((data != null) && data.success) {
1268                         if (hasPost(data.post.id)) {
1269                                 return;
1270                         }
1271                         if ((!isIndexPage() || (getPage(".pagination-index") > 1)) && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient) || (getPage(".post-navigation") > 1)))) {
1272                                 return;
1273                         }
1274                         var firstOlderPost = null;
1275                         $("#sone .post").each(function() {
1276                                 if (getPostTime(this) < data.post.time) {
1277                                         firstOlderPost = $(this);
1278                                         return false;
1279                                 }
1280                         });
1281                         newPost = $(data.post.html).addClass("hidden");
1282                         if ($(".post-author-local", newPost).text() == "true") {
1283                                 newPost.removeClass("new");
1284                         }
1285                         if (firstOlderPost != null) {
1286                                 newPost.insertBefore(firstOlderPost);
1287                         }
1288                         ajaxifyPost(newPost);
1289                         updatePostTimes(data.post.id);
1290                         newPost.slideDown();
1291                         setActivity();
1292                 }
1293         });
1294 }
1295
1296 function loadNewReply(replyId, soneId, postId, postSoneId) {
1297         if (hasReply(replyId)) {
1298                 return;
1299         }
1300         if (!hasPost(postId)) {
1301                 return;
1302         }
1303         ajaxGet("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
1304                 /* find post. */
1305                 if ((data != null) && data.success) {
1306                         if (hasReply(data.reply.id)) {
1307                                 return;
1308                         }
1309                         $("#sone .post#" + data.reply.postId).each(function() {
1310                                 var firstNewerReply = null;
1311                                 $(this).find(".replies .reply").each(function() {
1312                                         if (getReplyTime(this) > data.reply.time) {
1313                                                 firstNewerReply = $(this);
1314                                                 return false;
1315                                         }
1316                                 });
1317                                 newReply = $(data.reply.html).addClass("hidden");
1318                                 if ($(".reply-author-local", newReply).text() == "true") {
1319                                         newReply.removeClass("new");
1320                                         (function(newReply) {
1321                                                 setTimeout(function() {
1322                                                         markReplyAsKnown(newReply, false);
1323                                                 }, 5000);
1324                                         })(newReply);
1325                                 }
1326                                 if (firstNewerReply != null) {
1327                                         newReply.insertBefore(firstNewerReply);
1328                                 } else {
1329                                         if ($(this).find(".replies .create-reply")) {
1330                                                 $(this).find(".replies .create-reply").before(newReply);
1331                                         } else {
1332                                                 $(this).find(".replies").append(newReply);
1333                                         }
1334                                 }
1335                                 ajaxifyReply(newReply);
1336                                 updateReplyTimes(data.reply.id);
1337                                 newReply.slideDown();
1338                                 setActivity();
1339                                 return false;
1340                         });
1341                 }
1342         });
1343 }
1344
1345 /**
1346  * Marks the given Sone as known if it is still new.
1347  *
1348  * @param soneElement
1349  *            The Sone to mark as known
1350  * @param skipRequest
1351  *            true to skip the JSON request, false or omit to perform the JSON
1352  *            request
1353  */
1354 function markSoneAsKnown(soneElement, skipRequest) {
1355         if ($(soneElement).is(".new")) {
1356                 $(soneElement).removeClass("new");
1357                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1358                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)});
1359                 }
1360         }
1361 }
1362
1363 function markPostAsKnown(postElements, skipRequest) {
1364         $(postElements).each(function() {
1365                 postElement = this;
1366                 if ($(postElement).hasClass("new") || ((typeof skipRequest != "undefined") && !skipRequest)) {
1367                         (function(postElement) {
1368                                 $(postElement).removeClass("new");
1369                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1370                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)});
1371                                 }
1372                         })(postElement);
1373                 }
1374                 $(".click-to-show", postElement).removeClass("new");
1375         });
1376         markReplyAsKnown($(postElements).find(".reply"));
1377 }
1378
1379 function markReplyAsKnown(replyElements, skipRequest) {
1380         $(replyElements).each(function() {
1381                 replyElement = this;
1382                 if ($(replyElement).hasClass("new") || ((typeof skipRequest != "undefined") && !skipRequest)) {
1383                         (function(replyElement) {
1384                                 $(replyElement).removeClass("new");
1385                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1386                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)});
1387                                 }
1388                         })(replyElement);
1389                 }
1390         });
1391 }
1392
1393 /**
1394  * Updates the time of the post with the given ID.
1395  *
1396  * @param postId
1397  *            The ID of the post to update
1398  * @param timeText
1399  *            The text of the time to show
1400  * @param refreshTime
1401  *            The refresh time after which to request a new time (in seconds)
1402  * @param tooltip
1403  *            The tooltip to show
1404  */
1405 function updatePostTime(postId, timeText, refreshTime, tooltip) {
1406         if (!getPost(postId).is(":visible")) {
1407                 return;
1408         }
1409         getPost(postId).find(".post-status-line > .time a").html(timeText).attr("title", tooltip);
1410         (function(postId, refreshTime) {
1411                 setTimeout(function() {
1412                         updatePostTimes(postId);
1413                 }, refreshTime * 1000);
1414         })(postId, 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 updatePostTimes(postIds) {
1424         ajaxGet("getTimes.ajax", { "posts" : postIds }, function(data, textStatus) {
1425                 if ((data != null) && data.success) {
1426                         $.each(data.postTimes, function(index, value) {
1427                                 updatePostTime(index, value.timeText, value.refreshTime, value.tooltip);
1428                         });
1429                 }
1430         });
1431 }
1432
1433 /**
1434  * Updates the time of the reply with the given ID.
1435  *
1436  * @param postId
1437  *            The ID of the reply to update
1438  * @param timeText
1439  *            The text of the time to show
1440  * @param refreshTime
1441  *            The refresh time after which to request a new time (in seconds)
1442  * @param tooltip
1443  *            The tooltip to show
1444  */
1445 function updateReplyTime(replyId, timeText, refreshTime, tooltip) {
1446         getReply(replyId).find(".reply-status-line > .time").html(timeText).attr("title", tooltip);
1447         (function(replyId, refreshTime) {
1448                 setTimeout(function() {
1449                         updateReplyTimes(replyId);
1450                 }, refreshTime * 1000);
1451         })(replyId, refreshTime);
1452 }
1453
1454 /**
1455  * Requests new rendered times for the posts with the given IDs.
1456  *
1457  * @param postIds
1458  *            Comma-separated post IDs
1459  */
1460 function updateReplyTimes(replyIds) {
1461         ajaxGet("getTimes.ajax", { "replies" : replyIds }, function(data, textStatus) {
1462                 if ((data != null) && data.success) {
1463                         $.each(data.replyTimes, function(index, value) {
1464                                 updateReplyTime(index, value.timeText, value.refreshTime, value.tooltip);
1465                         });
1466                 }
1467         });
1468 }
1469
1470 function resetActivity() {
1471         title = document.title;
1472         if (title.indexOf('(') == 0) {
1473                 setTitle(title.substr(title.indexOf(' ') + 1));
1474         }
1475         iconBlinking = false;
1476 }
1477
1478 function setActivity() {
1479         if (!focus) {
1480                 title = document.title;
1481                 if (title.indexOf('(') != 0) {
1482                         setTitle("(!) " + title);
1483                 }
1484                 if (!iconBlinking) {
1485                         setTimeout(toggleIcon, 1500);
1486                         iconBlinking = true;
1487                 }
1488         }
1489 }
1490
1491 /**
1492  * Sets the window title after a small delay to prevent race-condition issues.
1493  *
1494  * @param title
1495  *            The title to set
1496  */
1497 function setTitle(title) {
1498         setTimeout(function() {
1499                 document.title = title;
1500         }, 50);
1501 }
1502
1503 /** Whether the icon is currently showing activity. */
1504 var iconActive = false;
1505
1506 /** Whether the icon is currently supposed to blink. */
1507 var iconBlinking = false;
1508
1509 /**
1510  * Toggles the icon. If the window has gained focus and the icon is still
1511  * showing the activity state, it is returned to normal.
1512  */
1513 function toggleIcon() {
1514         if (focus || !iconBlinking) {
1515                 if (iconActive) {
1516                         changeIcon("images/icon.png");
1517                         iconActive = false;
1518                 }
1519                 iconBlinking = false;
1520         } else {
1521                 iconActive = !iconActive;
1522                 changeIcon(iconActive ? "images/icon-activity.png" : "images/icon.png");
1523                 setTimeout(toggleIcon, 1500);
1524         }
1525 }
1526
1527 /**
1528  * Changes the icon of the page.
1529  *
1530  * @param iconUrl
1531  *            The new URL of the icon
1532  */
1533 function changeIcon(iconUrl) {
1534         $("link[rel=icon]").remove();
1535         $("head").append($("<link>").attr("rel", "icon").attr("type", "image/png").attr("href", iconUrl));
1536         $("iframe[id=icon-update]")[0].src += "";
1537 }
1538
1539 /**
1540  * Creates a new notification.
1541  *
1542  * @param id
1543  *            The ID of the notificaiton
1544  * @param text
1545  *            The text of the notification
1546  * @param dismissable
1547  *            <code>true</code> if the notification can be dismissed by the
1548  *            user
1549  */
1550 function createNotification(id, lastUpdatedTime, text, dismissable) {
1551         notification = $("<div></div>").addClass("notification").attr("id", id).attr("lastUpdatedTime", lastUpdatedTime);
1552         if (dismissable) {
1553                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id");
1554                 dismissForm.find("input[name=notification]").val(id);
1555                 notification.append(dismissForm);
1556         }
1557         notification.append(text);
1558         return notification;
1559 }
1560
1561 /**
1562  * Shows the details of the notification with the given ID.
1563  *
1564  * @param notificationId
1565  *            The ID of the notification
1566  */
1567 function showNotificationDetails(notificationId) {
1568         $("#sone .notification#" + notificationId + " .text").removeClass("hidden");
1569         $("#sone .notification#" + notificationId + " .short-text").addClass("hidden");
1570 }
1571
1572 /**
1573  * Deletes the field with the given ID from the profile.
1574  *
1575  * @param fieldId
1576  *            The ID of the field to delete
1577  */
1578 function deleteProfileField(fieldId) {
1579         ajaxGet("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1580                 if (data && data.success) {
1581                         $("#sone .profile-field#" + data.field.id).slideUp();
1582                 }
1583         });
1584 }
1585
1586 /**
1587  * Renames a profile field.
1588  *
1589  * @param fieldId
1590  *            The ID of the field to rename
1591  * @param newName
1592  *            The new name of the field
1593  * @param successFunction
1594  *            Called when the renaming was successful
1595  */
1596 function editProfileField(fieldId, newName, successFunction) {
1597         ajaxGet("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1598                 if (data && data.success) {
1599                         successFunction();
1600                 }
1601         });
1602 }
1603
1604 /**
1605  * Moves the profile field with the given ID one slot in the given direction.
1606  *
1607  * @param fieldId
1608  *            The ID of the field to move
1609  * @param direction
1610  *            The direction to move in (“up” or “down”)
1611  * @param successFunction
1612  *            Function to call on success
1613  */
1614 function moveProfileField(fieldId, direction, successFunction) {
1615         ajaxGet("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1616                 if (data && data.success) {
1617                         successFunction();
1618                 }
1619         });
1620 }
1621
1622 /**
1623  * Moves the profile field with the given ID up one slot.
1624  *
1625  * @param fieldId
1626  *            The ID of the field to move
1627  * @param successFunction
1628  *            Function to call on success
1629  */
1630 function moveProfileFieldUp(fieldId, successFunction) {
1631         moveProfileField(fieldId, "up", successFunction);
1632 }
1633
1634 /**
1635  * Moves the profile field with the given ID down one slot.
1636  *
1637  * @param fieldId
1638  *            The ID of the field to move
1639  * @param successFunction
1640  *            Function to call on success
1641  */
1642 function moveProfileFieldDown(fieldId, successFunction) {
1643         moveProfileField(fieldId, "down", successFunction);
1644 }
1645
1646 var statusRequestQueued = true;
1647
1648 /**
1649  * Sets the status of the web interface as offline.
1650  */
1651 function ajaxError() {
1652         online = false;
1653         showOfflineMarker(true);
1654         if (!statusRequestQueued) {
1655                 setTimeout(getStatus, 5000);
1656                 statusRequestQueued = true;
1657         }
1658 }
1659
1660 /**
1661  * Sets the status of the web interface as online.
1662  */
1663 function ajaxSuccess() {
1664         online = true;
1665         showOfflineMarker(!online || (initiallyLoggedIn && notLoggedIn));
1666 }
1667
1668 /**
1669  * Shows or hides the offline marker.
1670  *
1671  * @param visible
1672  *            {@code true} to display the offline marker, {@code false} to hide
1673  *            it
1674  */
1675 function showOfflineMarker(visible) {
1676         /* jQuery documentation says toggle() works the other way around?! */
1677         $("#sone #offline-marker").toggle(visible);
1678         if (visible) {
1679                 $("#sone #main").addClass("offline");
1680         } else {
1681                 $("#sone #main").removeClass("offline");
1682         }
1683 }
1684
1685 //
1686 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1687 //
1688
1689 var focus = true;
1690 var online = true;
1691 var initiallyLoggedIn = $("#sone #loggedIn").text() == "true";
1692 var notLoggedIn = !initiallyLoggedIn;
1693
1694 $(document).ready(function() {
1695
1696         /* this initializes the status update input field. */
1697         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1698                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1699                 $("#sone #update-status .select-sender").css("display", "inline");
1700                 $("#sone #update-status .sender").hide();
1701                 $("#sone #update-status .select-sender button").click(function() {
1702                         $("#sone #update-status .sender").show();
1703                         $("#sone #update-status .select-sender").hide();
1704                         return false;
1705                 });
1706                 $("#sone #update-status").submit(function() {
1707                         button = $("button:submit", this);
1708                         button.attr("disabled", "disabled");
1709                         if ($(this).find(":input.default:enabled").length > 0) {
1710                                 return false;
1711                         }
1712                         sender = $(this).find(":input[name=sender]").val();
1713                         text = $(this).find(":input[name=text]:enabled").val();
1714                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1715                                 button.removeAttr("disabled");
1716                         });
1717                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1718                         $(this).find(":input[name=text]:enabled").val("").blur();
1719                         $(this).find(".sender").hide();
1720                         $(this).find(".select-sender").show();
1721                         return false;
1722                 });
1723         });
1724
1725         /* ajaxify the search input field. */
1726         getTranslation("WebInterface.DefaultText.Search", function(defaultText) {
1727                 registerInputTextareaSwap("#sone #search input[name=query]", defaultText, "query", false, true);
1728         });
1729
1730         /* ajaxify input field on “view Sone” page. */
1731         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1732                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1733                 $("#sone #post-message .select-sender").css("display", "inline");
1734                 $("#sone #post-message .sender").hide();
1735                 $("#sone #post-message .select-sender button").click(function() {
1736                         $("#sone #post-message .sender").show();
1737                         $("#sone #post-message .select-sender").hide();
1738                         return false;
1739                 });
1740                 $("#sone #post-message").submit(function() {
1741                         sender = $(this).find(":input[name=sender]").val();
1742                         text = $(this).find(":input[name=text]:enabled").val();
1743                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "sender": sender, "text": text });
1744                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1745                         $(this).find(":input[name=text]:enabled").val("").blur();
1746                         $(this).find(".sender").hide();
1747                         $(this).find(".select-sender").show();
1748                         return false;
1749                 });
1750         });
1751
1752         /* Ajaxifies all posts. */
1753         /* calling getTranslation here will cache the necessary values. */
1754         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1755                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1756                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1757                                 $("#sone .post").each(function() {
1758                                         ajaxifyPost(this);
1759                                 });
1760                         });
1761                 });
1762         });
1763
1764         /* update post times. */
1765         postIds = [];
1766         $("#sone .post").each(function() {
1767                 postIds.push(getPostId(this));
1768         });
1769         updatePostTimes(postIds.join(","));
1770
1771         /* hides all replies but the latest two. */
1772         if (!isViewPostPage()) {
1773                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1774                         $("#sone .post .replies").each(function() {
1775                                 allReplies = $(this).find(".reply");
1776                                 if (allReplies.length > 2) {
1777                                         newHidden = false;
1778                                         for (replyIndex = 0; !newHidden && (replyIndex < (allReplies.length - 2)); ++replyIndex) {
1779                                                 $(allReplies[replyIndex]).addClass("hidden");
1780                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1781                                         }
1782                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1783                                         if (newHidden) {
1784                                                 clickToShowElement.addClass("new");
1785                                         }
1786                                         (function(clickToShowElement, allReplies, text) {
1787                                                 clickToShowElement.text(text);
1788                                                 clickToShowElement.click(function() {
1789                                                         allReplies.removeClass("hidden");
1790                                                         clickToShowElement.addClass("hidden");
1791                                                 });
1792                                         })(clickToShowElement, allReplies, text);
1793                                         $(allReplies[0]).before(clickToShowElement);
1794                                 }
1795                         });
1796                 });
1797         }
1798
1799         $("#sone .sone").each(function() {
1800                 ajaxifySone($(this));
1801         });
1802
1803         /* process all existing notifications, ajaxify dismiss buttons. */
1804         $("#sone #notification-area .notification").each(function() {
1805                 ajaxifyNotification($(this));
1806         });
1807
1808         /* disable all permalinks. */
1809         $(".permalink").click(function() {
1810                 return false;
1811         });
1812
1813         /* activate status polling. */
1814         setTimeout(getStatus, 5000);
1815
1816         /* reset activity counter when the page has focus. */
1817         $(window).focus(function() {
1818                 focus = true;
1819                 resetActivity();
1820         }).blur(function() {
1821                 focus = false;
1822         });
1823
1824 });