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  * Returns the ID of the sone of the context menu that contains the given
 287  * element.
 288  *
 289  * @param element
 290  *            The element within a context menu to get the Sone ID for
 291  * @return The Sone ID
 292  */
 293 function getMenuSone(element) {
 294         return $(element).closest(".sone-menu").find(".sone-id").text();
 295 }
 296
 297 /**
 298  * Generates a list of Sones by concatening the names of the given sones with a
 299  * new line character (“\n”).
 300  *
 301  * @param sones
 302  *            The sones to format
 303  * @returns {String} The created string
 304  */
 305 function generateSoneList(sones) {
 306         var soneList = "";
 307         $.each(sones, function() {
 308                 if (soneList != "") {
 309                         soneList += ", ";
 310                 }
 311                 soneList += this.name;
 312         });
 313         return soneList;
 314 }
 315
 316 /**
 317  * Returns the ID of the Sone that this element belongs to.
 318  *
 319  * @param element
 320  *            The element to locate the matching Sone ID for
 321  * @returns The ID of the Sone, or undefined
 322  */
 323 function getSoneId(element) {
 324         return getSoneElement(element).find(".id").text();
 325 }
 326
 327 /**
 328  * Returns the element of the post with the given ID.
 329  *
 330  * @param postId
 331  *            The ID of the post
 332  * @returns The element of the post
 333  */
 334 function getPost(postId) {
 335         return $("#sone .post#" + postId);
 336 }
 337
 338 function getPostElement(element) {
 339         return $(element).closest(".post");
 340 }
 341
 342 function getPostId(element) {
 343         return getPostElement(element).attr("id");
 344 }
 345
 346 function getPostTime(element) {
 347         return getPostElement(element).find(".post-time").text();
 348 }
 349
 350 /**
 351  * Returns the author of the post the given element belongs to.
 352  *
 353  * @param element
 354  *            The element whose post to get the author for
 355  * @returns The ID of the authoring Sone
 356  */
 357 function getPostAuthor(element) {
 358         return getPostElement(element).find(".post-author").text();
 359 }
 360
 361 /**
 362  * Returns the element of the reply with the given ID.
 363  *
 364  * @param replyId
 365  *            The ID of the reply
 366  * @returns The element of the reply
 367  */
 368 function getReply(replyId) {
 369         return $("#sone .reply#" + replyId);
 370 }
 371
 372 function getReplyElement(element) {
 373         return $(element).closest(".reply");
 374 }
 375
 376 function getReplyId(element) {
 377         return getReplyElement(element).attr("id");
 378 }
 379
 380 function getReplyTime(element) {
 381         return getReplyElement(element).find(".reply-time").text();
 382 }
 383
 384 /**
 385  * Returns the author of the reply the given element belongs to.
 386  *
 387  * @param element
 388  *            The element whose reply to get the author for
 389  * @returns The ID of the authoring Sone
 390  */
 391 function getReplyAuthor(element) {
 392         return getReplyElement(element).find(".reply-author").text();
 393 }
 394
 395 /**
 396  * Returns the notification with the given ID.
 397  *
 398  * @param notificationId
 399  *            The ID of the notification
 400  * @returns The notification element
 401  */
 402 function getNotification(notificationId) {
 403         return $("#sone #notification-area .notification#" + notificationId);
 404 }
 405
 406 /**
 407  * Returns the notification element closest to the given element.
 408  *
 409  * @param element
 410  *            The element to get the closest notification of
 411  * @return The closest notification element
 412  */
 413 function getNotificationElement(element) {
 414         return $(element).closest(".notification");
 415 }
 416
 417 /**
 418  * Returns the ID of the notification element.
 419  *
 420  * @param notificationElement
 421  *            The notification element
 422  * @returns The ID of the notification
 423  */
 424 function getNotificationId(notificationElement) {
 425         return $(notificationElement).attr("id");
 426 }
 427
 428 /**
 429  * Returns the time the notification was last updated.
 430  *
 431  * @param notificationElement
 432  *            The notification element
 433  * @returns The last update time of the notification
 434  */
 435 function getNotificationLastUpdatedTime(notificationElement) {
 436         return $(notificationElement).attr("lastUpdatedTime");
 437 }
 438
 439 function likePost(postId) {
 440         ajaxGet("like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 441                 if ((data == null) || !data.success) {
 442                         return;
 443                 }
 444                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
 445                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
 446                 updatePostLikes(postId);
 447         }, function(xmlHttpRequest, textStatus, error) {
 448                 /* ignore error. */
 449         });
 450 }
 451
 452 function unlikePost(postId) {
 453         ajaxGet("unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 454                 if ((data == null) || !data.success) {
 455                         return;
 456                 }
 457                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
 458                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
 459                 updatePostLikes(postId);
 460         }, function(xmlHttpRequest, textStatus, error) {
 461                 /* ignore error. */
 462         });
 463 }
 464
 465 function updatePostLikes(postId) {
 466         ajaxGet("getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
 467                 if ((data != null) && data.success) {
 468                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0);
 469                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
 470                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
 471                 }
 472         }, function(xmlHttpRequest, textStatus, error) {
 473                 /* ignore error. */
 474         });
 475 }
 476
 477 function likeReply(replyId) {
 478         ajaxGet("like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 479                 if ((data == null) || !data.success) {
 480                         return;
 481                 }
 482                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
 483                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
 484                 updateReplyLikes(replyId);
 485         }, function(xmlHttpRequest, textStatus, error) {
 486                 /* ignore error. */
 487         });
 488 }
 489
 490 function unlikeReply(replyId) {
 491         ajaxGet("unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 492                 if ((data == null) || !data.success) {
 493                         return;
 494                 }
 495                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
 496                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
 497                 updateReplyLikes(replyId);
 498         }, function(xmlHttpRequest, textStatus, error) {
 499                 /* ignore error. */
 500         });
 501 }
 502
 503 /**
 504  * Trusts the Sone with the given ID.
 505  *
 506  * @param soneId
 507  *            The ID of the Sone to trust
 508  */
 509 function trustSone(soneId) {
 510         ajaxGet("trustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 511                 if ((data != null) && data.success) {
 512                         updateTrustControls(soneId, data.trustValue);
 513                 }
 514         });
 515 }
 516
 517 /**
 518  * Distrusts the Sone with the given ID, i.e. assigns a negative trust value.
 519  *
 520  * @param soneId
 521  *            The ID of the Sone to distrust
 522  */
 523 function distrustSone(soneId) {
 524         ajaxGet("distrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 525                 if ((data != null) && data.success) {
 526                         updateTrustControls(soneId, data.trustValue);
 527                 }
 528         });
 529 }
 530
 531 /**
 532  * Untrusts the Sone with the given ID, i.e. removes any trust assignment.
 533  *
 534  * @param soneId
 535  *            The ID of the Sone to untrust
 536  */
 537 function untrustSone(soneId) {
 538         ajaxGet("untrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 539                 if ((data != null) && data.success) {
 540                         updateTrustControls(soneId, data.trustValue);
 541                 }
 542         });
 543 }
 544
 545 /**
 546  * Updates the trust controls for all posts and replies of the given Sone,
 547  * according to the given trust value.
 548  *
 549  * @param soneId
 550  *            The ID of the Sone to update all trust controls for
 551  * @param trustValue
 552  *            The trust value for the Sone
 553  */
 554 function updateTrustControls(soneId, trustValue) {
 555         $("#sone .post").each(function() {
 556                 if (getPostAuthor(this) == soneId) {
 557                         getPostElement(this).find(".post-trust").toggleClass("hidden", trustValue != null);
 558                         getPostElement(this).find(".post-distrust").toggleClass("hidden", trustValue != null);
 559                         getPostElement(this).find(".post-untrust").toggleClass("hidden", trustValue == null);
 560                 }
 561         });
 562         $("#sone .reply").each(function() {
 563                 if (getReplyAuthor(this) == soneId) {
 564                         getReplyElement(this).find(".reply-trust").toggleClass("hidden", trustValue != null);
 565                         getReplyElement(this).find(".reply-distrust").toggleClass("hidden", trustValue != null);
 566                         getReplyElement(this).find(".reply-untrust").toggleClass("hidden", trustValue == null);
 567                 }
 568         });
 569 }
 570
 571 /**
 572  * Bookmarks the post with the given ID.
 573  *
 574  * @param postId
 575  *            The ID of the post to bookmark
 576  */
 577 function bookmarkPost(postId) {
 578         (function(postId) {
 579                 ajaxGet("bookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 580                         if ((data != null) && data.success) {
 581                                 getPost(postId).find(".bookmark").toggleClass("hidden", true);
 582                                 getPost(postId).find(".unbookmark").toggleClass("hidden", false);
 583                         }
 584                 });
 585         })(postId);
 586 }
 587
 588 /**
 589  * Unbookmarks the post with the given ID.
 590  *
 591  * @param postId
 592  *            The ID of the post to unbookmark
 593  */
 594 function unbookmarkPost(postId) {
 595         ajaxGet("unbookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 596                 if ((data != null) && data.success) {
 597                         getPost(postId).find(".bookmark").toggleClass("hidden", false);
 598                         getPost(postId).find(".unbookmark").toggleClass("hidden", true);
 599                 }
 600         });
 601 }
 602
 603 function updateReplyLikes(replyId) {
 604         ajaxGet("getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
 605                 if ((data != null) && data.success) {
 606                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0);
 607                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
 608                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
 609                 }
 610         }, function(xmlHttpRequest, textStatus, error) {
 611                 /* ignore error. */
 612         });
 613 }
 614
 615 /**
 616  * Posts a reply and calls the given callback when the request finishes.
 617  *
 618  * @param sender
 619  *            The ID of the sender
 620  * @param postId
 621  *            The ID of the post the reply refers to
 622  * @param text
 623  *            The text to post
 624  * @param callbackFunction
 625  *            The callback function to call when the request finishes (takes 3
 626  *            parameters: success, error, replyId)
 627  */
 628 function postReply(sender, postId, text, callbackFunction) {
 629         ajaxGet("createReply.ajax", { "formPassword" : getFormPassword(), "sender": sender, "post" : postId, "text": text }, function(data, textStatus) {
 630                 if (data == null) {
 631                         /* TODO - show error */
 632                         return;
 633                 }
 634                 if (data.success) {
 635                         callbackFunction(true, null, data.reply, data.sone);
 636                 } else {
 637                         callbackFunction(false, data.error);
 638                 }
 639         }, function(xmlHttpRequest, textStatus, error) {
 640                 /* ignore error. */
 641         });
 642 }
 643
 644 /**
 645  * Ajaxifies the given Sone by enhancing all eligible elements with AJAX.
 646  *
 647  * @param soneElement
 648  *            The Sone to ajaxify
 649  */
 650 function ajaxifySone(soneElement) {
 651         /*
 652          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
 653          * nicer.
 654          */
 655         $(".follow", soneElement).submit(function() {
 656                 var followElement = this;
 657                 ajaxGet("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 658                         $(followElement).addClass("hidden");
 659                         $(followElement).parent().find(".unfollow").removeClass("hidden");
 660                 });
 661                 return false;
 662         });
 663         $(".unfollow", soneElement).submit(function() {
 664                 var unfollowElement = this;
 665                 ajaxGet("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 666                         $(unfollowElement).addClass("hidden");
 667                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
 668                 });
 669                 return false;
 670         });
 671         $(".lock", soneElement).submit(function() {
 672                 var lockElement = this;
 673                 ajaxGet("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 674                         $(lockElement).addClass("hidden");
 675                         $(lockElement).parent().find(".unlock").removeClass("hidden");
 676                 });
 677                 return false;
 678         });
 679         $(".unlock", soneElement).submit(function() {
 680                 var unlockElement = this;
 681                 ajaxGet("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 682                         $(unlockElement).addClass("hidden");
 683                         $(unlockElement).parent().find(".lock").removeClass("hidden");
 684                 });
 685                 return false;
 686         });
 687
 688         /* mark Sone as known when clicking it. */
 689         $(soneElement).click(function() {
 690                 markSoneAsKnown(this);
 691         });
 692 }
 693
 694 /**
 695  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
 696  *
 697  * @param postElement
 698  *            The post element to ajaxify
 699  */
 700 function ajaxifyPost(postElement) {
 701         $(postElement).find("form").submit(function() {
 702                 return false;
 703         });
 704         $(postElement).find(".create-reply button:submit").click(function() {
 705                 button = $(this);
 706                 button.attr("disabled", "disabled");
 707                 sender = $(this.form).find(":input[name=sender]").val();
 708                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
 709                 postId = getPostId(this);
 710                 text = $(inputField).val();
 711                 (function(sender, postId, text, inputField) {
 712                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
 713                                 if (success) {
 714                                         $(inputField).val("");
 715                                         loadNewReply(replyId, soneId, postId);
 716                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 717                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
 718                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
 719                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
 720                                 } else {
 721                                         alert(error);
 722                                 }
 723                                 button.removeAttr("disabled");
 724                         });
 725                 })(sender, postId, text, inputField);
 726                 return false;
 727         });
 728
 729         /* replace all “delete” buttons with javascript. */
 730         (function(postElement) {
 731                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 732                         postId = getPostId(postElement);
 733                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 734                 });
 735         })(postElement);
 736
 737         /* convert all “like” buttons to javascript functions. */
 738         $(postElement).find(".like-post").submit(function() {
 739                 likePost(getPostId(this));
 740                 return false;
 741         });
 742         $(postElement).find(".unlike-post").submit(function() {
 743                 unlikePost(getPostId(this));
 744                 return false;
 745         });
 746
 747         /* convert trust control buttons to javascript functions. */
 748         $(postElement).find(".post-trust").submit(function() {
 749                 trustSone(getPostAuthor(this));
 750                 return false;
 751         });
 752         $(postElement).find(".post-distrust").submit(function() {
 753                 distrustSone(getPostAuthor(this));
 754                 return false;
 755         });
 756         $(postElement).find(".post-untrust").submit(function() {
 757                 untrustSone(getPostAuthor(this));
 758                 return false;
 759         });
 760
 761         /* convert bookmark/unbookmark buttons to javascript functions. */
 762         $(postElement).find(".bookmark").submit(function() {
 763                 bookmarkPost(getPostId(this));
 764                 return false;
 765         });
 766         $(postElement).find(".unbookmark").submit(function() {
 767                 unbookmarkPost(getPostId(this));
 768                 return false;
 769         });
 770
 771         /* convert “show source” link into javascript function. */
 772         $(postElement).find(".show-source").each(function() {
 773                 $("a", this).click(function() {
 774                         $(".post-text.text", getPostElement(this)).toggleClass("hidden");
 775                         $(".post-text.raw-text", getPostElement(this)).toggleClass("hidden");
 776                         return false;
 777                 });
 778         });
 779
 780         /* add “comment” link. */
 781         addCommentLink(getPostId(postElement), getPostAuthor(postElement), postElement, $(postElement).find(".post-status-line .permalink-author"));
 782
 783         /* process all replies. */
 784         replyIds = [];
 785         $(postElement).find(".reply").each(function() {
 786                 replyIds.push(getReplyId(this));
 787                 ajaxifyReply(this);
 788         });
 789         updateReplyTimes(replyIds.join(","));
 790
 791         /* process reply input fields. */
 792         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 793                 $(postElement).find("input.reply-input").each(function() {
 794                         registerInputTextareaSwap(this, text, "text", false, false);
 795                 });
 796         });
 797
 798         /* process sender selection. */
 799         $(".select-sender", postElement).css("display", "inline");
 800         $(".sender", postElement).hide();
 801         $(".select-sender button", postElement).click(function() {
 802                 $(".sender", postElement).show();
 803                 $(".select-sender", postElement).hide();
 804                 return false;
 805         });
 806
 807         /* mark everything as known on click. */
 808         $(postElement).click(function(event) {
 809                 if ($(event.target).hasClass("click-to-show")) {
 810                         return false;
 811                 }
 812                 markPostAsKnown(this);
 813         });
 814
 815         /* hide reply input field. */
 816         $(postElement).find(".create-reply").addClass("hidden");
 817
 818         /* show Sone menu when hovering over the avatar. */
 819         $(postElement).find(".post-avatar").mouseover(function() {
 820                 $(".sone-post-menu", postElement).mouseleave(function() {
 821                         $(this).fadeOut();
 822                 }).fadeIn();
 823                 return false;
 824         });
 825         (function(postElement) {
 826                 var soneId = $(".sone-id", postElement).text();
 827                 $(".sone-post-menu .follow", postElement).click(function() {
 828                         var followElement = this;
 829                         ajaxGet("followSone.ajax", { "sone": soneId, "formPassword": getFormPassword() }, function() {
 830                                 $(followElement).addClass("hidden");
 831                                 $(followElement).parent().find(".unfollow").removeClass("hidden");
 832                                 $("#sone .sone-menu").each(function() {
 833                                         if (getMenuSone(this) == soneId) {
 834                                                 $(".follow", this).toggleClass("hidden", true);
 835                                                 $(".unfollow", this).toggleClass("hidden", false);
 836                                         }
 837                                 });
 838                         });
 839                         return false;
 840                 });
 841                 $(".sone-post-menu .unfollow", postElement).click(function() {
 842                         var unfollowElement = this;
 843                         ajaxGet("unfollowSone.ajax", { "sone": soneId, "formPassword": getFormPassword() }, function() {
 844                                 $(unfollowElement).addClass("hidden");
 845                                 $(unfollowElement).parent().find(".follow").removeClass("hidden");
 846                                 $("#sone .sone-menu").each(function() {
 847                                         if (getMenuSone(this) == soneId) {
 848                                                 $(".follow", this).toggleClass("hidden", false);
 849                                                 $(".unfollow", this).toggleClass("hidden", true);
 850                                         }
 851                                 });
 852                         });
 853                         return false;
 854                 });
 855         })(postElement);
 856 }
 857
 858 /**
 859  * Ajaxifies the given reply element.
 860  *
 861  * @param replyElement
 862  *            The reply element to ajaxify
 863  */
 864 function ajaxifyReply(replyElement) {
 865         $(replyElement).find(".like-reply").submit(function() {
 866                 likeReply(getReplyId(this));
 867                 return false;
 868         });
 869         $(replyElement).find(".unlike-reply").submit(function() {
 870                 unlikeReply(getReplyId(this));
 871                 return false;
 872         });
 873         (function(replyElement) {
 874                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 875                         $(replyElement).find(".delete-reply button").each(function() {
 876                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 877                         });
 878                 });
 879         })(replyElement);
 880         addCommentLink(getPostId(replyElement), getReplyAuthor(replyElement), replyElement, $(replyElement).find(".reply-status-line .permalink-author"));
 881
 882         /* convert “show source” link into javascript function. */
 883         $(replyElement).find(".show-reply-source").each(function() {
 884                 $("a", this).click(function() {
 885                         $(".reply-text.text", getReplyElement(this)).toggleClass("hidden");
 886                         $(".reply-text.raw-text", getReplyElement(this)).toggleClass("hidden");
 887                         return false;
 888                 });
 889         });
 890
 891         /* convert trust control buttons to javascript functions. */
 892         $(replyElement).find(".reply-trust").submit(function() {
 893                 trustSone(getReplyAuthor(this));
 894                 return false;
 895         });
 896         $(replyElement).find(".reply-distrust").submit(function() {
 897                 distrustSone(getReplyAuthor(this));
 898                 return false;
 899         });
 900         $(replyElement).find(".reply-untrust").submit(function() {
 901                 untrustSone(getReplyAuthor(this));
 902                 return false;
 903         });
 904 }
 905
 906 /**
 907  * Ajaxifies the given notification by replacing the form with AJAX.
 908  *
 909  * @param notification
 910  *            jQuery object representing the notification.
 911  */
 912 function ajaxifyNotification(notification) {
 913         notification.find("form").submit(function() {
 914                 return false;
 915         });
 916         notification.find("input[name=returnPage]").val($.url.attr("relative"));
 917         if (notification.find(".short-text").length > 0) {
 918                 notification.find(".short-text").removeClass("hidden");
 919                 notification.find(".text").addClass("hidden");
 920         }
 921         notification.find("form.mark-as-read button").click(function() {
 922                 allIds = $(":input[name=id]", this.form).val().split(" ");
 923                 for (index = 0; index < allIds.length; index += 16) {
 924                         ids = allIds.slice(index, index + 16).join(" ");
 925                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": ids});
 926                 }
 927         });
 928         notification.find("a[class^='link-']").each(function() {
 929                 linkElement = $(this);
 930                 if (linkElement.is("[href^='viewPost']")) {
 931                         id = linkElement.attr("class").substr(5);
 932                         if (hasPost(id)) {
 933                                 linkElement.attr("href", "#post-" + id).addClass("in-page-link");
 934                         }
 935                 }
 936         });
 937         notification.find("form.dismiss button").click(function() {
 938                 ajaxGet("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 939                         /* dismiss in case of error, too. */
 940                         notification.slideUp();
 941                 }, function(xmlHttpRequest, textStatus, error) {
 942                         /* ignore error. */
 943                 });
 944         });
 945         return notification;
 946 }
 947
 948 /**
 949  * Retrieves element IDs from notification elements.
 950  *
 951  * @param notification
 952  *            The notification element
 953  * @param selector
 954  *            The selector of the element containing the ID as text
 955  * @returns All extracted IDs
 956  */
 957 function getElementIds(notification, selector) {
 958         elementIds = [];
 959         $(selector, notification).each(function() {
 960                 elementIds.push($(this).text());
 961         });
 962         return elementIds;
 963 }
 964
 965 /**
 966  * Compares the given notification elements and calls {@link #markSoneAsKnown()}
 967  * for every ID that is contained in the old notification but not in the new.
 968  *
 969  * @param oldNotification
 970  *            The old notification element
 971  * @param newNotification
 972  *            The new notification element
 973  */
 974 function checkForRemovedSones(oldNotification, newNotification) {
 975         if (getNotificationId(oldNotification) != "new-sone-notification") {
 976                 return;
 977         }
 978         oldIds = getElementIds(oldNotification, ".new-sone-id");
 979         newIds = getElementIds(newNotification, ".new-sone-id");
 980         $.each(oldIds, function(index, value) {
 981                 if ($.inArray(value, newIds) == -1) {
 982                         markSoneAsKnown(getSone(value), true);
 983                 }
 984         });
 985 }
 986
 987 /**
 988  * Compares the given notification elements and calls {@link #markPostAsKnown()}
 989  * for every ID that is contained in the old notification but not in the new.
 990  *
 991  * @param oldNotification
 992  *            The old notification element
 993  * @param newNotification
 994  *            The new notification element
 995  */
 996 function checkForRemovedPosts(oldNotification, newNotification) {
 997         if (getNotificationId(oldNotification) != "new-post-notification") {
 998                 return;
 999         }
1000         oldIds = getElementIds(oldNotification, ".post-id");
1001         newIds = getElementIds(newNotification, ".post-id");
1002         $.each(oldIds, function(index, value) {
1003                 if ($.inArray(value, newIds) == -1) {
1004                         markPostAsKnown(getPost(value), true);
1005                 }
1006         });
1007 }
1008
1009 /**
1010  * Compares the given notification elements and calls
1011  * {@link #markReplyAsKnown()} for every ID that is contained in the old
1012  * notification but not in the new.
1013  *
1014  * @param oldNotification
1015  *            The old notification element
1016  * @param newNotification
1017  *            The new notification element
1018  */
1019 function checkForRemovedReplies(oldNotification, newNotification) {
1020         if (getNotificationId(oldNotification) != "new-replies-notification") {
1021                 return;
1022         }
1023         oldIds = getElementIds(oldNotification, ".reply-id");
1024         newIds = getElementIds(newNotification, ".reply-id");
1025         $.each(oldIds, function(index, value) {
1026                 if ($.inArray(value, newIds) == -1) {
1027                         markReplyAsKnown(getReply(value), true);
1028                 }
1029         });
1030 }
1031
1032 function getStatus() {
1033         ajaxGet("getStatus.ajax", isViewSonePage() ? {"soneIds": getShownSoneId() } : {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
1034                 if ((data != null) && data.success) {
1035                         /* process Sone information. */
1036                         $.each(data.sones, function(index, value) {
1037                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated, value.lastUpdatedText);
1038                         });
1039                         notLoggedIn = !data.loggedIn;
1040                         if (!notLoggedIn) {
1041                                 showOfflineMarker(!online);
1042                         }
1043                         /* search for removed notifications. */
1044                         $("#sone #notification-area .notification").each(function() {
1045                                 notificationId = $(this).attr("id");
1046                                 foundNotification = false;
1047                                 $.each(data.notifications, function(index, value) {
1048                                         if (value.id == notificationId) {
1049                                                 foundNotification = true;
1050                                                 return false;
1051                                         }
1052                                 });
1053                                 if (!foundNotification) {
1054                                         if (notificationId == "new-sone-notification") {
1055                                                 $(".new-sone-id", this).each(function(index, element) {
1056                                                         soneId = $(this).text();
1057                                                         markSoneAsKnown(getSone(soneId), true);
1058                                                 });
1059                                         } else if (notificationId == "new-post-notification") {
1060                                                 $(".post-id", this).each(function(index, element) {
1061                                                         postId = $(this).text();
1062                                                         markPostAsKnown(getPost(postId), true);
1063                                                 });
1064                                         } else if (notificationId == "new-replies-notification") {
1065                                                 $(".reply-id", this).each(function(index, element) {
1066                                                         replyId = $(this).text();
1067                                                         markReplyAsKnown(getReply(replyId), true);
1068                                                 });
1069                                         }
1070                                         $(this).slideUp("normal", function() {
1071                                                 $(this).remove();
1072                                                 /* remove activity when no notifications are visible. */
1073                                                 if ($("#sone #notification-area .notification").length == 0) {
1074                                                         resetActivity();
1075                                                 }
1076                                         });
1077                                 }
1078                         });
1079                         /* process notifications. */
1080                         notificationIds = [];
1081                         $.each(data.notifications, function(index, value) {
1082                                 oldNotification = getNotification(value.id);
1083                                 if ((oldNotification.length == 0) || (value.lastUpdatedTime > getNotificationLastUpdatedTime(oldNotification))) {
1084                                         notificationIds.push(value.id);
1085                                 }
1086                         });
1087                         if (notificationIds.length > 0) {
1088                                 loadNotifications(notificationIds);
1089                         }
1090                         /* process new posts. */
1091                         $.each(data.newPosts, function(index, value) {
1092                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
1093                         });
1094                         /* process new replies. */
1095                         $.each(data.newReplies, function(index, value) {
1096                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
1097                         });
1098                         /* do it again in 5 seconds. */
1099                         setTimeout(getStatus, 5000);
1100                 } else {
1101                         /* data.success was false, wait 30 seconds. */
1102                         setTimeout(getStatus, 30000);
1103                 }
1104         }, function() {
1105                 statusRequestQueued = false;
1106                 ajaxError();
1107         });
1108 }
1109
1110 /**
1111  * Requests multiple notifications from Sone and displays them.
1112  *
1113  * @param notificationIds
1114  *            Array of IDs of the notifications to load
1115  */
1116 function loadNotifications(notificationIds) {
1117         ajaxGet("getNotification.ajax", {"notifications": notificationIds.join(",")}, function(data, textStatus) {
1118                 if (!data || !data.success) {
1119                         // TODO - show error
1120                         return;
1121                 }
1122                 $.each(data.notifications, function(index, value) {
1123                         oldNotification = getNotification(value.id);
1124                         notification = ajaxifyNotification(createNotification(value.id, value.lastUpdatedTime, value.text, value.dismissable)).hide();
1125                         if (oldNotification.length != 0) {
1126                                 if ((oldNotification.find(".short-text").length > 0) && (notification.find(".short-text").length > 0)) {
1127                                         opened = oldNotification.is(":visible") && oldNotification.find(".short-text").hasClass("hidden");
1128                                         notification.find(".short-text").toggleClass("hidden", opened);
1129                                         notification.find(".text").toggleClass("hidden", !opened);
1130                                 }
1131                                 checkForRemovedSones(oldNotification, notification);
1132                                 checkForRemovedPosts(oldNotification, notification);
1133                                 checkForRemovedReplies(oldNotification, notification);
1134                                 oldNotification.replaceWith(notification.show());
1135                         } else {
1136                                 $("#sone #notification-area").append(notification);
1137                                 if (value.id.substring(0, 5) != "local") {
1138                                         notification.slideDown();
1139                                         setActivity();
1140                                 }
1141                         }
1142                 });
1143         });
1144 }
1145
1146 /**
1147  * Returns the ID of the currently logged in Sone.
1148  *
1149  * @return The ID of the current Sone, or an empty string if no Sone is logged
1150  *         in
1151  */
1152 function getCurrentSoneId() {
1153         return $("#currentSoneId").text();
1154 }
1155
1156 /**
1157  * Returns the content of the page-id attribute.
1158  *
1159  * @returns The page ID
1160  */
1161 function getPageId() {
1162         return $("#sone .page-id").text();
1163 }
1164
1165 /**
1166  * Returns whether the current page is the index page.
1167  *
1168  * @returns {Boolean} <code>true</code> if the current page is the index page,
1169  *          <code>false</code> otherwise
1170  */
1171 function isIndexPage() {
1172         return getPageId() == "index";
1173 }
1174
1175 /**
1176  * Returns the current page of the selected pagination. If no pagination can be
1177  * found with the given selector, {@code 1} is returned.
1178  *
1179  * @param paginationSelector
1180  *            The pagination selector
1181  * @returns The current page of the pagination
1182  */
1183 function getPage(paginationSelector) {
1184         pagination = $(paginationSelector);
1185         if (pagination.length > 0) {
1186                 return $(".current-page", paginationSelector).text();
1187         }
1188         return 1;
1189 }
1190
1191 /**
1192  * Returns whether the current page is a “view Sone” page.
1193  *
1194  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
1195  *          page, <code>false</code> otherwise
1196  */
1197 function isViewSonePage() {
1198         return getPageId() == "view-sone";
1199 }
1200
1201 /**
1202  * Returns the ID of the currently shown Sone. This will only return a sensible
1203  * value if isViewSonePage() returns <code>true</code>.
1204  *
1205  * @returns The ID of the currently shown Sone
1206  */
1207 function getShownSoneId() {
1208         return $("#sone .sone-id").text();
1209 }
1210
1211 /**
1212  * Returns whether the current page is a “view post” page.
1213  *
1214  * @returns {Boolean} <code>true</code> if the current page is a “view post”
1215  *          page, <code>false</code> otherwise
1216  */
1217 function isViewPostPage() {
1218         return getPageId() == "view-post";
1219 }
1220
1221 /**
1222  * Returns the ID of the currently shown post. This will only return a sensible
1223  * value if isViewPostPage() returns <code>true</code>.
1224  *
1225  * @returns The ID of the currently shown post
1226  */
1227 function getShownPostId() {
1228         return $("#sone .post-id").text();
1229 }
1230
1231 /**
1232  * Returns whether the current page is the “known Sones” page.
1233  *
1234  * @returns {Boolean} <code>true</code> if the current page is the “known
1235  *          Sones” page, <code>false</code> otherwise
1236  */
1237 function isKnownSonesPage() {
1238         return getPageId() == "known-sones";
1239 }
1240
1241 /**
1242  * Returns whether a post with the given ID exists on the current page.
1243  *
1244  * @param postId
1245  *            The post ID to check for
1246  * @returns {Boolean} <code>true</code> if a post with the given ID already
1247  *          exists on the page, <code>false</code> otherwise
1248  */
1249 function hasPost(postId) {
1250         return $(".post#" + postId).length > 0;
1251 }
1252
1253 /**
1254  * Returns whether a reply with the given ID exists on the current page.
1255  *
1256  * @param replyId
1257  *            The reply ID to check for
1258  * @returns {Boolean} <code>true</code> if a reply with the given ID already
1259  *          exists on the page, <code>false</code> otherwise
1260  */
1261 function hasReply(replyId) {
1262         return $("#sone .reply#" + replyId).length > 0;
1263 }
1264
1265 function loadNewPost(postId, soneId, recipientId, time) {
1266         if (hasPost(postId)) {
1267                 return;
1268         }
1269         if (!isIndexPage() || (getPage(".pagination-index") > 1)) {
1270                 if (!isViewPostPage() || (getShownPostId() != postId)) {
1271                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId)) || (getPage(".post-navigation") > 1)) {
1272                                 return;
1273                         }
1274                 }
1275         }
1276         if (getPostTime($("#sone .post").last()) > time) {
1277                 return;
1278         }
1279         ajaxGet("getPost.ajax", { "post" : postId }, function(data, textStatus) {
1280                 if ((data != null) && data.success) {
1281                         if (hasPost(data.post.id)) {
1282                                 return;
1283                         }
1284                         if ((!isIndexPage() || (getPage(".pagination-index") > 1)) && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient) || (getPage(".post-navigation") > 1)))) {
1285                                 return;
1286                         }
1287                         var firstOlderPost = null;
1288                         $("#sone .post").each(function() {
1289                                 if (getPostTime(this) < data.post.time) {
1290                                         firstOlderPost = $(this);
1291                                         return false;
1292                                 }
1293                         });
1294                         newPost = $(data.post.html).addClass("hidden");
1295                         if ($(".post-author-local", newPost).text() == "true") {
1296                                 newPost.removeClass("new");
1297                         }
1298                         if (firstOlderPost != null) {
1299                                 newPost.insertBefore(firstOlderPost);
1300                         }
1301                         ajaxifyPost(newPost);
1302                         updatePostTimes(data.post.id);
1303                         newPost.slideDown();
1304                         setActivity();
1305                 }
1306         });
1307 }
1308
1309 function loadNewReply(replyId, soneId, postId, postSoneId) {
1310         if (hasReply(replyId)) {
1311                 return;
1312         }
1313         if (!hasPost(postId)) {
1314                 return;
1315         }
1316         ajaxGet("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
1317                 /* find post. */
1318                 if ((data != null) && data.success) {
1319                         if (hasReply(data.reply.id)) {
1320                                 return;
1321                         }
1322                         $("#sone .post#" + data.reply.postId).each(function() {
1323                                 var firstNewerReply = null;
1324                                 $(this).find(".replies .reply").each(function() {
1325                                         if (getReplyTime(this) > data.reply.time) {
1326                                                 firstNewerReply = $(this);
1327                                                 return false;
1328                                         }
1329                                 });
1330                                 newReply = $(data.reply.html).addClass("hidden");
1331                                 if ($(".reply-author-local", newReply).text() == "true") {
1332                                         newReply.removeClass("new");
1333                                         (function(newReply) {
1334                                                 setTimeout(function() {
1335                                                         markReplyAsKnown(newReply, false);
1336                                                 }, 5000);
1337                                         })(newReply);
1338                                 }
1339                                 if (firstNewerReply != null) {
1340                                         newReply.insertBefore(firstNewerReply);
1341                                 } else {
1342                                         if ($(this).find(".replies .create-reply")) {
1343                                                 $(this).find(".replies .create-reply").before(newReply);
1344                                         } else {
1345                                                 $(this).find(".replies").append(newReply);
1346                                         }
1347                                 }
1348                                 ajaxifyReply(newReply);
1349                                 updateReplyTimes(data.reply.id);
1350                                 newReply.slideDown();
1351                                 setActivity();
1352                                 return false;
1353                         });
1354                 }
1355         });
1356 }
1357
1358 /**
1359  * Marks the given Sone as known if it is still new.
1360  *
1361  * @param soneElement
1362  *            The Sone to mark as known
1363  * @param skipRequest
1364  *            true to skip the JSON request, false or omit to perform the JSON
1365  *            request
1366  */
1367 function markSoneAsKnown(soneElement, skipRequest) {
1368         if ($(soneElement).is(".new")) {
1369                 $(soneElement).removeClass("new");
1370                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1371                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)});
1372                 }
1373         }
1374 }
1375
1376 function markPostAsKnown(postElements, skipRequest) {
1377         $(postElements).each(function() {
1378                 postElement = this;
1379                 if ($(postElement).hasClass("new") || ((typeof skipRequest != "undefined") && !skipRequest)) {
1380                         (function(postElement) {
1381                                 $(postElement).removeClass("new");
1382                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1383                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)});
1384                                 }
1385                         })(postElement);
1386                 }
1387                 $(".click-to-show", postElement).removeClass("new");
1388         });
1389         markReplyAsKnown($(postElements).find(".reply"));
1390 }
1391
1392 function markReplyAsKnown(replyElements, skipRequest) {
1393         $(replyElements).each(function() {
1394                 replyElement = this;
1395                 if ($(replyElement).hasClass("new") || ((typeof skipRequest != "undefined") && !skipRequest)) {
1396                         (function(replyElement) {
1397                                 $(replyElement).removeClass("new");
1398                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1399                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)});
1400                                 }
1401                         })(replyElement);
1402                 }
1403         });
1404 }
1405
1406 /**
1407  * Updates the time of the post with the given ID.
1408  *
1409  * @param postId
1410  *            The ID of the post to update
1411  * @param timeText
1412  *            The text of the time to show
1413  * @param refreshTime
1414  *            The refresh time after which to request a new time (in seconds)
1415  * @param tooltip
1416  *            The tooltip to show
1417  */
1418 function updatePostTime(postId, timeText, refreshTime, tooltip) {
1419         if (!getPost(postId).is(":visible")) {
1420                 return;
1421         }
1422         getPost(postId).find(".post-status-line > .time a").html(timeText).attr("title", tooltip);
1423         (function(postId, refreshTime) {
1424                 setTimeout(function() {
1425                         updatePostTimes(postId);
1426                 }, refreshTime * 1000);
1427         })(postId, refreshTime);
1428 }
1429
1430 /**
1431  * Requests new rendered times for the posts with the given IDs.
1432  *
1433  * @param postIds
1434  *            Comma-separated post IDs
1435  */
1436 function updatePostTimes(postIds) {
1437         ajaxGet("getTimes.ajax", { "posts" : postIds }, function(data, textStatus) {
1438                 if ((data != null) && data.success) {
1439                         $.each(data.postTimes, function(index, value) {
1440                                 updatePostTime(index, value.timeText, value.refreshTime, value.tooltip);
1441                         });
1442                 }
1443         });
1444 }
1445
1446 /**
1447  * Updates the time of the reply with the given ID.
1448  *
1449  * @param postId
1450  *            The ID of the reply to update
1451  * @param timeText
1452  *            The text of the time to show
1453  * @param refreshTime
1454  *            The refresh time after which to request a new time (in seconds)
1455  * @param tooltip
1456  *            The tooltip to show
1457  */
1458 function updateReplyTime(replyId, timeText, refreshTime, tooltip) {
1459         getReply(replyId).find(".reply-status-line > .time").html(timeText).attr("title", tooltip);
1460         (function(replyId, refreshTime) {
1461                 setTimeout(function() {
1462                         updateReplyTimes(replyId);
1463                 }, refreshTime * 1000);
1464         })(replyId, refreshTime);
1465 }
1466
1467 /**
1468  * Requests new rendered times for the posts with the given IDs.
1469  *
1470  * @param postIds
1471  *            Comma-separated post IDs
1472  */
1473 function updateReplyTimes(replyIds) {
1474         ajaxGet("getTimes.ajax", { "replies" : replyIds }, function(data, textStatus) {
1475                 if ((data != null) && data.success) {
1476                         $.each(data.replyTimes, function(index, value) {
1477                                 updateReplyTime(index, value.timeText, value.refreshTime, value.tooltip);
1478                         });
1479                 }
1480         });
1481 }
1482
1483 function resetActivity() {
1484         title = document.title;
1485         if (title.indexOf('(') == 0) {
1486                 setTitle(title.substr(title.indexOf(' ') + 1));
1487         }
1488         iconBlinking = false;
1489 }
1490
1491 function setActivity() {
1492         if (!focus) {
1493                 title = document.title;
1494                 if (title.indexOf('(') != 0) {
1495                         setTitle("(!) " + title);
1496                 }
1497                 if (!iconBlinking) {
1498                         setTimeout(toggleIcon, 1500);
1499                         iconBlinking = true;
1500                 }
1501         }
1502 }
1503
1504 /**
1505  * Sets the window title after a small delay to prevent race-condition issues.
1506  *
1507  * @param title
1508  *            The title to set
1509  */
1510 function setTitle(title) {
1511         setTimeout(function() {
1512                 document.title = title;
1513         }, 50);
1514 }
1515
1516 /** Whether the icon is currently showing activity. */
1517 var iconActive = false;
1518
1519 /** Whether the icon is currently supposed to blink. */
1520 var iconBlinking = false;
1521
1522 /**
1523  * Toggles the icon. If the window has gained focus and the icon is still
1524  * showing the activity state, it is returned to normal.
1525  */
1526 function toggleIcon() {
1527         if (focus || !iconBlinking) {
1528                 if (iconActive) {
1529                         changeIcon("images/icon.png");
1530                         iconActive = false;
1531                 }
1532                 iconBlinking = false;
1533         } else {
1534                 iconActive = !iconActive;
1535                 changeIcon(iconActive ? "images/icon-activity.png" : "images/icon.png");
1536                 setTimeout(toggleIcon, 1500);
1537         }
1538 }
1539
1540 /**
1541  * Changes the icon of the page.
1542  *
1543  * @param iconUrl
1544  *            The new URL of the icon
1545  */
1546 function changeIcon(iconUrl) {
1547         $("link[rel=icon]").remove();
1548         $("head").append($("<link>").attr("rel", "icon").attr("type", "image/png").attr("href", iconUrl));
1549         $("iframe[id=icon-update]")[0].src += "";
1550 }
1551
1552 /**
1553  * Creates a new notification.
1554  *
1555  * @param id
1556  *            The ID of the notificaiton
1557  * @param text
1558  *            The text of the notification
1559  * @param dismissable
1560  *            <code>true</code> if the notification can be dismissed by the
1561  *            user
1562  */
1563 function createNotification(id, lastUpdatedTime, text, dismissable) {
1564         notification = $("<div></div>").addClass("notification").attr("id", id).attr("lastUpdatedTime", lastUpdatedTime);
1565         if (dismissable) {
1566                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id");
1567                 dismissForm.find("input[name=notification]").val(id);
1568                 notification.append(dismissForm);
1569         }
1570         notification.append(text);
1571         return notification;
1572 }
1573
1574 /**
1575  * Shows the details of the notification with the given ID.
1576  *
1577  * @param notificationId
1578  *            The ID of the notification
1579  */
1580 function showNotificationDetails(notificationId) {
1581         $("#sone .notification#" + notificationId + " .text").removeClass("hidden");
1582         $("#sone .notification#" + notificationId + " .short-text").addClass("hidden");
1583 }
1584
1585 /**
1586  * Deletes the field with the given ID from the profile.
1587  *
1588  * @param fieldId
1589  *            The ID of the field to delete
1590  */
1591 function deleteProfileField(fieldId) {
1592         ajaxGet("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1593                 if (data && data.success) {
1594                         $("#sone .profile-field#" + data.field.id).slideUp();
1595                 }
1596         });
1597 }
1598
1599 /**
1600  * Renames a profile field.
1601  *
1602  * @param fieldId
1603  *            The ID of the field to rename
1604  * @param newName
1605  *            The new name of the field
1606  * @param successFunction
1607  *            Called when the renaming was successful
1608  */
1609 function editProfileField(fieldId, newName, successFunction) {
1610         ajaxGet("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1611                 if (data && data.success) {
1612                         successFunction();
1613                 }
1614         });
1615 }
1616
1617 /**
1618  * Moves the profile field with the given ID one slot in the given direction.
1619  *
1620  * @param fieldId
1621  *            The ID of the field to move
1622  * @param direction
1623  *            The direction to move in (“up” or “down”)
1624  * @param successFunction
1625  *            Function to call on success
1626  */
1627 function moveProfileField(fieldId, direction, successFunction) {
1628         ajaxGet("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1629                 if (data && data.success) {
1630                         successFunction();
1631                 }
1632         });
1633 }
1634
1635 /**
1636  * Moves the profile field with the given ID up one slot.
1637  *
1638  * @param fieldId
1639  *            The ID of the field to move
1640  * @param successFunction
1641  *            Function to call on success
1642  */
1643 function moveProfileFieldUp(fieldId, successFunction) {
1644         moveProfileField(fieldId, "up", successFunction);
1645 }
1646
1647 /**
1648  * Moves the profile field with the given ID down one slot.
1649  *
1650  * @param fieldId
1651  *            The ID of the field to move
1652  * @param successFunction
1653  *            Function to call on success
1654  */
1655 function moveProfileFieldDown(fieldId, successFunction) {
1656         moveProfileField(fieldId, "down", successFunction);
1657 }
1658
1659 var statusRequestQueued = true;
1660
1661 /**
1662  * Sets the status of the web interface as offline.
1663  */
1664 function ajaxError() {
1665         online = false;
1666         showOfflineMarker(true);
1667         if (!statusRequestQueued) {
1668                 setTimeout(getStatus, 5000);
1669                 statusRequestQueued = true;
1670         }
1671 }
1672
1673 /**
1674  * Sets the status of the web interface as online.
1675  */
1676 function ajaxSuccess() {
1677         online = true;
1678         showOfflineMarker(!online || (initiallyLoggedIn && notLoggedIn));
1679 }
1680
1681 /**
1682  * Shows or hides the offline marker.
1683  *
1684  * @param visible
1685  *            {@code true} to display the offline marker, {@code false} to hide
1686  *            it
1687  */
1688 function showOfflineMarker(visible) {
1689         /* jQuery documentation says toggle() works the other way around?! */
1690         $("#sone #offline-marker").toggle(visible);
1691         if (visible) {
1692                 $("#sone #main").addClass("offline");
1693         } else {
1694                 $("#sone #main").removeClass("offline");
1695         }
1696 }
1697
1698 //
1699 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1700 //
1701
1702 var focus = true;
1703 var online = true;
1704 var initiallyLoggedIn = $("#sone #loggedIn").text() == "true";
1705 var notLoggedIn = !initiallyLoggedIn;
1706
1707 $(document).ready(function() {
1708
1709         /* this initializes the status update input field. */
1710         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1711                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1712                 $("#sone #update-status .select-sender").css("display", "inline");
1713                 $("#sone #update-status .sender").hide();
1714                 $("#sone #update-status .select-sender button").click(function() {
1715                         $("#sone #update-status .sender").show();
1716                         $("#sone #update-status .select-sender").hide();
1717                         return false;
1718                 });
1719                 $("#sone #update-status").submit(function() {
1720                         button = $("button:submit", this);
1721                         button.attr("disabled", "disabled");
1722                         if ($(this).find(":input.default:enabled").length > 0) {
1723                                 return false;
1724                         }
1725                         sender = $(this).find(":input[name=sender]").val();
1726                         text = $(this).find(":input[name=text]:enabled").val();
1727                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1728                                 button.removeAttr("disabled");
1729                         });
1730                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1731                         $(this).find(":input[name=text]:enabled").val("").blur();
1732                         $(this).find(".sender").hide();
1733                         $(this).find(".select-sender").show();
1734                         return false;
1735                 });
1736         });
1737
1738         /* ajaxify the search input field. */
1739         getTranslation("WebInterface.DefaultText.Search", function(defaultText) {
1740                 registerInputTextareaSwap("#sone #search input[name=query]", defaultText, "query", false, true);
1741         });
1742
1743         /* ajaxify input field on “view Sone” page. */
1744         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1745                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1746                 $("#sone #post-message .select-sender").css("display", "inline");
1747                 $("#sone #post-message .sender").hide();
1748                 $("#sone #post-message .select-sender button").click(function() {
1749                         $("#sone #post-message .sender").show();
1750                         $("#sone #post-message .select-sender").hide();
1751                         return false;
1752                 });
1753                 $("#sone #post-message").submit(function() {
1754                         sender = $(this).find(":input[name=sender]").val();
1755                         text = $(this).find(":input[name=text]:enabled").val();
1756                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "sender": sender, "text": text });
1757                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1758                         $(this).find(":input[name=text]:enabled").val("").blur();
1759                         $(this).find(".sender").hide();
1760                         $(this).find(".select-sender").show();
1761                         return false;
1762                 });
1763         });
1764
1765         /* Ajaxifies all posts. */
1766         /* calling getTranslation here will cache the necessary values. */
1767         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1768                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1769                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1770                                 $("#sone .post").each(function() {
1771                                         ajaxifyPost(this);
1772                                 });
1773                         });
1774                 });
1775         });
1776
1777         /* update post times. */
1778         postIds = [];
1779         $("#sone .post").each(function() {
1780                 postIds.push(getPostId(this));
1781         });
1782         updatePostTimes(postIds.join(","));
1783
1784         /* hides all replies but the latest two. */
1785         if (!isViewPostPage()) {
1786                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1787                         $("#sone .post .replies").each(function() {
1788                                 allReplies = $(this).find(".reply");
1789                                 if (allReplies.length > 2) {
1790                                         newHidden = false;
1791                                         for (replyIndex = 0; !newHidden && (replyIndex < (allReplies.length - 2)); ++replyIndex) {
1792                                                 $(allReplies[replyIndex]).addClass("hidden");
1793                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1794                                         }
1795                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1796                                         if (newHidden) {
1797                                                 clickToShowElement.addClass("new");
1798                                         }
1799                                         (function(clickToShowElement, allReplies, text) {
1800                                                 clickToShowElement.text(text);
1801                                                 clickToShowElement.click(function() {
1802                                                         allReplies.removeClass("hidden");
1803                                                         clickToShowElement.addClass("hidden");
1804                                                 });
1805                                         })(clickToShowElement, allReplies, text);
1806                                         $(allReplies[0]).before(clickToShowElement);
1807                                 }
1808                         });
1809                 });
1810         }
1811
1812         $("#sone .sone").each(function() {
1813                 ajaxifySone($(this));
1814         });
1815
1816         /* process all existing notifications, ajaxify dismiss buttons. */
1817         $("#sone #notification-area .notification").each(function() {
1818                 ajaxifyNotification($(this));
1819         });
1820
1821         /* disable all permalinks. */
1822         $(".permalink").click(function() {
1823                 return false;
1824         });
1825
1826         /* activate status polling. */
1827         setTimeout(getStatus, 5000);
1828
1829         /* reset activity counter when the page has focus. */
1830         $(window).focus(function() {
1831                 focus = true;
1832                 resetActivity();
1833         }).blur(function() {
1834                 focus = false;
1835         });
1836
1837 });