src/main/resources/static/javascript/sone.js

   1 /* Sone JavaScript functions. */
   2
   3 function ajaxGet(url, data, successCallback, errorCallback) {
   4         (function(url, data, successCallback, errorCallback) {
   5                 $.ajax({"type": "GET", "url": url, "data": data, "dataType": "json", "success": function(data, textStatus, xmlHttpRequest) {
   6                         ajaxSuccess();
   7                         if (typeof successCallback != "undefined") {
   8                                 successCallback(data, textStatus);
   9                         }
  10                 }, "error": function(xmlHttpRequest, textStatus, errorThrown) {
  11                         if (xmlHttpRequest.status == 403) {
  12                                 notLoggedIn = true;
  13                         }
  14                         if (typeof errorCallback != "undefined") {
  15                                 errorCallback();
  16                         } else {
  17                                 ajaxError();
  18                         }
  19                 }});
  20         })(url, data, successCallback, errorCallback);
  21 }
  22
  23 function registerInputTextareaSwap(inputElement, defaultText, inputFieldName, optional, dontUseTextarea) {
  24         $(inputElement).each(function() {
  25                 textarea = $(dontUseTextarea ? "<input type=\"text\" name=\"" + inputFieldName + "\">" : "<textarea name=\"" + inputFieldName + "\"></textarea>").blur(function() {
  26                         if ($(this).val() == "") {
  27                                 $(this).hide();
  28                                 inputField = $(this).data("inputField");
  29                                 inputField.show().removeAttr("disabled").addClass("default");
  30                                 inputField.val(defaultText);
  31                         }
  32                 }).hide().data("inputField", $(this)).val($(this).val());
  33                 $(this).data("textarea", textarea).after(textarea);
  34                 (function(inputField, textarea) {
  35                         inputField.focus(function() {
  36                                 $(this).hide().attr("disabled", "disabled");
  37                                 /* no, show(), “display: block” is not what I need. */
  38                                 textarea.attr("style", "display: inline").focus();
  39                         });
  40                         if (inputField.val() == "") {
  41                                 inputField.addClass("default");
  42                                 inputField.val(defaultText);
  43                         } else {
  44                                 inputField.hide().attr("disabled", "disabled");
  45                                 textarea.show();
  46                         }
  47                         $(inputField.get(0).form).submit(function() {
  48                                 inputField.attr("disabled", "disabled");
  49                                 if (!optional && (textarea.val() == "")) {
  50                                         inputField.removeAttr("disabled").focus();
  51                                         return false;
  52                                 }
  53                         });
  54                 })($(this), textarea);
  55         });
  56 }
  57
  58 /**
  59  * Adds a “comment” link to all status lines contained in the given element.
  60  *
  61  * @param postId
  62  *            The ID of the post
  63  * @param element
  64  *            The element to add a “comment” link to
  65  */
  66 function addCommentLink(postId, author, element, insertAfterThisElement) {
  67         if (($(element).find(".show-reply-form").length > 0) || (getPostElement(element).find(".create-reply").length == 0)) {
  68                 return;
  69         }
  70         commentElement = (function(postId, author) {
  71                 separator = $("<span> · </span>").addClass("separator");
  72                 var commentElement = $("<div><span>Comment</span></div>").addClass("show-reply-form").click(function() {
  73                         replyElement = $("#sone .post#" + postId + " .create-reply");
  74                         replyElement.removeClass("hidden");
  75                         replyElement.removeClass("light");
  76                         (function(replyElement) {
  77                                 replyElement.find("input.reply-input").blur(function() {
  78                                         if ($(this).hasClass("default")) {
  79                                                 replyElement.addClass("light");
  80                                         }
  81                                 }).focus(function() {
  82                                         replyElement.removeClass("light");
  83                                 });
  84                         })(replyElement);
  85                         textArea = replyElement.find("input.reply-input").focus().data("textarea");
  86                         if (author != getCurrentSoneId()) {
  87                                 textArea.val(textArea.val() + "@sone://" + author + " ");
  88                         }
  89                 });
  90                 return commentElement;
  91         })(postId, author);
  92         $(insertAfterThisElement).after(commentElement.clone(true));
  93         $(insertAfterThisElement).after(separator);
  94 }
  95
  96 var translations = {};
  97
  98 /**
  99  * Retrieves the translation for the given key and calls the callback function.
 100  * The callback function takes a single parameter, the translated string.
 101  *
 102  * @param key
 103  *            The key of the translation string
 104  * @param callback
 105  *            The callback function
 106  */
 107 function getTranslation(key, callback) {
 108         if (key in translations) {
 109                 callback(translations[key]);
 110                 return;
 111         }
 112         ajaxGet("getTranslation.ajax", {"key": key}, function(data, textStatus) {
 113                 if ((data != null) && data.success) {
 114                         translations[key] = data.value;
 115                         callback(data.value);
 116                 }
 117         });
 118 }
 119
 120 /**
 121  * Filters the given Sone ID, replacing all “~” characters by an underscore.
 122  *
 123  * @param soneId
 124  *            The Sone ID to filter
 125  * @returns The filtered Sone ID
 126  */
 127 function filterSoneId(soneId) {
 128         return soneId.replace(/[^a-zA-Z0-9-]/g, "_");
 129 }
 130
 131 /**
 132  * Updates the status of the given Sone.
 133  *
 134  * @param soneId
 135  *            The ID of the Sone to update
 136  * @param status
 137  *            The status of the Sone (“idle”, “unknown”, “inserting”,
 138  *            “downloading”)
 139  * @param modified
 140  *            Whether the Sone is modified
 141  * @param locked
 142  *            Whether the Sone is locked
 143  * @param lastUpdated
 144  *            The date and time of the last update (formatted for display)
 145  */
 146 function updateSoneStatus(soneId, name, status, modified, locked, lastUpdated, lastUpdatedText) {
 147         $("#sone .sone." + filterSoneId(soneId)).
 148                 toggleClass("unknown", status == "unknown").
 149                 toggleClass("idle", status == "idle").
 150                 toggleClass("inserting", status == "inserting").
 151                 toggleClass("downloading", status == "downloading").
 152                 toggleClass("modified", modified);
 153         $("#sone .sone." + filterSoneId(soneId) + " .lock").toggleClass("hidden", locked);
 154         $("#sone .sone." + filterSoneId(soneId) + " .unlock").toggleClass("hidden", !locked);
 155         if (lastUpdated != null) {
 156                 $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").attr("title", lastUpdated).text(lastUpdatedText);
 157         } else {
 158                 getTranslation("View.Sone.Text.UnknownDate", function(unknown) {
 159                         $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(unknown);
 160                 });
 161         }
 162         $("#sone .sone." + filterSoneId(soneId) + " .profile-link a").text(name);
 163 }
 164
 165 /**
 166  * Enhances a “delete” button so that the confirmation is done on the same page.
 167  *
 168  * @param button
 169  *            The button element
 170  * @param text
 171  *            The text to show on the button
 172  * @param deleteCallback
 173  *            The callback that actually deletes something
 174  */
 175 function enhanceDeleteButton(button, text, deleteCallback) {
 176         (function(button) {
 177                 newButton = $("<button></button>").addClass("confirm").hide().text(text).click(function() {
 178                         $(this).fadeOut("slow");
 179                         deleteCallback();
 180                         return false;
 181                 }).insertAfter(button);
 182                 (function(button, newButton) {
 183                         button.click(function() {
 184                                 button.fadeOut("slow", function() {
 185                                         newButton.fadeIn("slow");
 186                                         $(document).one("click", function() {
 187                                                 if (this != newButton.get(0)) {
 188                                                         newButton.fadeOut(function() {
 189                                                                 button.fadeIn();
 190                                                         });
 191                                                 }
 192                                         });
 193                                 });
 194                                 return false;
 195                         });
 196                 })(button, newButton);
 197         })($(button));
 198 }
 199
 200 /**
 201  * Enhances a post’s “delete” button.
 202  *
 203  * @param button
 204  *            The button element
 205  * @param postId
 206  *            The ID of the post to delete
 207  * @param text
 208  *            The text to replace the button with
 209  */
 210 function enhanceDeletePostButton(button, postId, text) {
 211         enhanceDeleteButton(button, text, function() {
 212                 ajaxGet("deletePost.ajax", { "post": postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 213                         if (data == null) {
 214                                 return;
 215                         }
 216                         if (data.success) {
 217                                 $("#sone .post#" + postId).slideUp();
 218                         } else if (data.error == "invalid-post-id") {
 219                                 /* pretend the post is already gone. */
 220                                 getPost(postId).slideUp();
 221                         } else if (data.error == "auth-required") {
 222                                 alert("You need to be logged in.");
 223                         } else if (data.error == "not-authorized") {
 224                                 alert("You are not allowed to delete this post.");
 225                         }
 226                 }, function(xmlHttpRequest, textStatus, error) {
 227                         /* ignore error. */
 228                 });
 229         });
 230 }
 231
 232 /**
 233  * Enhances a reply’s “delete” button.
 234  *
 235  * @param button
 236  *            The button element
 237  * @param replyId
 238  *            The ID of the reply to delete
 239  * @param text
 240  *            The text to replace the button with
 241  */
 242 function enhanceDeleteReplyButton(button, replyId, text) {
 243         enhanceDeleteButton(button, text, function() {
 244                 ajaxGet("deleteReply.ajax", { "reply": replyId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
 245                         if (data == null) {
 246                                 return;
 247                         }
 248                         if (data.success) {
 249                                 $("#sone .reply#" + replyId).slideUp();
 250                         } else if (data.error == "invalid-reply-id") {
 251                                 /* pretend the reply is already gone. */
 252                                 getReply(replyId).slideUp();
 253                         } else if (data.error == "auth-required") {
 254                                 alert("You need to be logged in.");
 255                         } else if (data.error == "not-authorized") {
 256                                 alert("You are not allowed to delete this reply.");
 257                         }
 258                 }, function(xmlHttpRequest, textStatus, error) {
 259                         /* ignore error. */
 260                 });
 261         });
 262 }
 263
 264 function getFormPassword() {
 265         return $("#sone #formPassword").text();
 266 }
 267
 268 /**
 269  * Returns the element of the Sone with the given ID.
 270  *
 271  * @param soneId
 272  *            The ID of the Sone
 273  * @returns All Sone elements with the given ID
 274  */
 275 function getSone(soneId) {
 276         return $("#sone .sone").filter(function(index) {
 277                 return $(".id", this).text() == soneId;
 278         });
 279 }
 280
 281 function getSoneElement(element) {
 282         return $(element).closest(".sone");
 283 }
 284
 285 /**
 286  * Generates a list of Sones by concatening the names of the given sones with a
 287  * new line character (“\n”).
 288  *
 289  * @param sones
 290  *            The sones to format
 291  * @returns {String} The created string
 292  */
 293 function generateSoneList(sones) {
 294         var soneList = "";
 295         $.each(sones, function() {
 296                 if (soneList != "") {
 297                         soneList += ", ";
 298                 }
 299                 soneList += this.name;
 300         });
 301         return soneList;
 302 }
 303
 304 /**
 305  * Returns the ID of the Sone that this element belongs to.
 306  *
 307  * @param element
 308  *            The element to locate the matching Sone ID for
 309  * @returns The ID of the Sone, or undefined
 310  */
 311 function getSoneId(element) {
 312         return getSoneElement(element).find(".id").text();
 313 }
 314
 315 /**
 316  * Returns the element of the post with the given ID.
 317  *
 318  * @param postId
 319  *            The ID of the post
 320  * @returns The element of the post
 321  */
 322 function getPost(postId) {
 323         return $("#sone .post#" + postId);
 324 }
 325
 326 function getPostElement(element) {
 327         return $(element).closest(".post");
 328 }
 329
 330 function getPostId(element) {
 331         return getPostElement(element).attr("id");
 332 }
 333
 334 function getPostTime(element) {
 335         return getPostElement(element).find(".post-time").text();
 336 }
 337
 338 /**
 339  * Returns the author of the post the given element belongs to.
 340  *
 341  * @param element
 342  *            The element whose post to get the author for
 343  * @returns The ID of the authoring Sone
 344  */
 345 function getPostAuthor(element) {
 346         return getPostElement(element).find(".post-author").text();
 347 }
 348
 349 /**
 350  * Returns the element of the reply with the given ID.
 351  *
 352  * @param replyId
 353  *            The ID of the reply
 354  * @returns The element of the reply
 355  */
 356 function getReply(replyId) {
 357         return $("#sone .reply#" + replyId);
 358 }
 359
 360 function getReplyElement(element) {
 361         return $(element).closest(".reply");
 362 }
 363
 364 function getReplyId(element) {
 365         return getReplyElement(element).attr("id");
 366 }
 367
 368 function getReplyTime(element) {
 369         return getReplyElement(element).find(".reply-time").text();
 370 }
 371
 372 /**
 373  * Returns the author of the reply the given element belongs to.
 374  *
 375  * @param element
 376  *            The element whose reply to get the author for
 377  * @returns The ID of the authoring Sone
 378  */
 379 function getReplyAuthor(element) {
 380         return getReplyElement(element).find(".reply-author").text();
 381 }
 382
 383 /**
 384  * Returns the notification with the given ID.
 385  *
 386  * @param notificationId
 387  *            The ID of the notification
 388  * @returns The notification element
 389  */
 390 function getNotification(notificationId) {
 391         return $("#sone #notification-area .notification#" + notificationId);
 392 }
 393
 394 /**
 395  * Returns the notification element closest to the given element.
 396  *
 397  * @param element
 398  *            The element to get the closest notification of
 399  * @return The closest notification element
 400  */
 401 function getNotificationElement(element) {
 402         return $(element).closest(".notification");
 403 }
 404
 405 /**
 406  * Returns the ID of the notification element.
 407  *
 408  * @param notificationElement
 409  *            The notification element
 410  * @returns The ID of the notification
 411  */
 412 function getNotificationId(notificationElement) {
 413         return $(notificationElement).attr("id");
 414 }
 415
 416 /**
 417  * Returns the time the notification was last updated.
 418  *
 419  * @param notificationElement
 420  *            The notification element
 421  * @returns The last update time of the notification
 422  */
 423 function getNotificationLastUpdatedTime(notificationElement) {
 424         return $(notificationElement).attr("lastUpdatedTime");
 425 }
 426
 427 function likePost(postId) {
 428         ajaxGet("like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 429                 if ((data == null) || !data.success) {
 430                         return;
 431                 }
 432                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
 433                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
 434                 updatePostLikes(postId);
 435         }, function(xmlHttpRequest, textStatus, error) {
 436                 /* ignore error. */
 437         });
 438 }
 439
 440 function unlikePost(postId) {
 441         ajaxGet("unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 442                 if ((data == null) || !data.success) {
 443                         return;
 444                 }
 445                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
 446                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
 447                 updatePostLikes(postId);
 448         }, function(xmlHttpRequest, textStatus, error) {
 449                 /* ignore error. */
 450         });
 451 }
 452
 453 function updatePostLikes(postId) {
 454         ajaxGet("getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
 455                 if ((data != null) && data.success) {
 456                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0);
 457                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
 458                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
 459                 }
 460         }, function(xmlHttpRequest, textStatus, error) {
 461                 /* ignore error. */
 462         });
 463 }
 464
 465 function likeReply(replyId) {
 466         ajaxGet("like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 467                 if ((data == null) || !data.success) {
 468                         return;
 469                 }
 470                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
 471                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
 472                 updateReplyLikes(replyId);
 473         }, function(xmlHttpRequest, textStatus, error) {
 474                 /* ignore error. */
 475         });
 476 }
 477
 478 function unlikeReply(replyId) {
 479         ajaxGet("unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 480                 if ((data == null) || !data.success) {
 481                         return;
 482                 }
 483                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
 484                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
 485                 updateReplyLikes(replyId);
 486         }, function(xmlHttpRequest, textStatus, error) {
 487                 /* ignore error. */
 488         });
 489 }
 490
 491 /**
 492  * Trusts the Sone with the given ID.
 493  *
 494  * @param soneId
 495  *            The ID of the Sone to trust
 496  */
 497 function trustSone(soneId) {
 498         ajaxGet("trustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 499                 if ((data != null) && data.success) {
 500                         updateTrustControls(soneId, data.trustValue);
 501                 }
 502         });
 503 }
 504
 505 /**
 506  * Distrusts the Sone with the given ID, i.e. assigns a negative trust value.
 507  *
 508  * @param soneId
 509  *            The ID of the Sone to distrust
 510  */
 511 function distrustSone(soneId) {
 512         ajaxGet("distrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 513                 if ((data != null) && data.success) {
 514                         updateTrustControls(soneId, data.trustValue);
 515                 }
 516         });
 517 }
 518
 519 /**
 520  * Untrusts the Sone with the given ID, i.e. removes any trust assignment.
 521  *
 522  * @param soneId
 523  *            The ID of the Sone to untrust
 524  */
 525 function untrustSone(soneId) {
 526         ajaxGet("untrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 527                 if ((data != null) && data.success) {
 528                         updateTrustControls(soneId, data.trustValue);
 529                 }
 530         });
 531 }
 532
 533 /**
 534  * Updates the trust controls for all posts and replies of the given Sone,
 535  * according to the given trust value.
 536  *
 537  * @param soneId
 538  *            The ID of the Sone to update all trust controls for
 539  * @param trustValue
 540  *            The trust value for the Sone
 541  */
 542 function updateTrustControls(soneId, trustValue) {
 543         $("#sone .post").each(function() {
 544                 if (getPostAuthor(this) == soneId) {
 545                         getPostElement(this).find(".post-trust").toggleClass("hidden", trustValue != null);
 546                         getPostElement(this).find(".post-distrust").toggleClass("hidden", trustValue != null);
 547                         getPostElement(this).find(".post-untrust").toggleClass("hidden", trustValue == null);
 548                 }
 549         });
 550         $("#sone .reply").each(function() {
 551                 if (getReplyAuthor(this) == soneId) {
 552                         getReplyElement(this).find(".reply-trust").toggleClass("hidden", trustValue != null);
 553                         getReplyElement(this).find(".reply-distrust").toggleClass("hidden", trustValue != null);
 554                         getReplyElement(this).find(".reply-untrust").toggleClass("hidden", trustValue == null);
 555                 }
 556         });
 557 }
 558
 559 /**
 560  * Bookmarks the post with the given ID.
 561  *
 562  * @param postId
 563  *            The ID of the post to bookmark
 564  */
 565 function bookmarkPost(postId) {
 566         (function(postId) {
 567                 ajaxGet("bookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 568                         if ((data != null) && data.success) {
 569                                 getPost(postId).find(".bookmark").toggleClass("hidden", true);
 570                                 getPost(postId).find(".unbookmark").toggleClass("hidden", false);
 571                         }
 572                 });
 573         })(postId);
 574 }
 575
 576 /**
 577  * Unbookmarks the post with the given ID.
 578  *
 579  * @param postId
 580  *            The ID of the post to unbookmark
 581  */
 582 function unbookmarkPost(postId) {
 583         ajaxGet("unbookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 584                 if ((data != null) && data.success) {
 585                         getPost(postId).find(".bookmark").toggleClass("hidden", false);
 586                         getPost(postId).find(".unbookmark").toggleClass("hidden", true);
 587                 }
 588         });
 589 }
 590
 591 function updateReplyLikes(replyId) {
 592         ajaxGet("getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
 593                 if ((data != null) && data.success) {
 594                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0);
 595                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
 596                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
 597                 }
 598         }, function(xmlHttpRequest, textStatus, error) {
 599                 /* ignore error. */
 600         });
 601 }
 602
 603 /**
 604  * Posts a reply and calls the given callback when the request finishes.
 605  *
 606  * @param sender
 607  *            The ID of the sender
 608  * @param postId
 609  *            The ID of the post the reply refers to
 610  * @param text
 611  *            The text to post
 612  * @param callbackFunction
 613  *            The callback function to call when the request finishes (takes 3
 614  *            parameters: success, error, replyId)
 615  */
 616 function postReply(sender, postId, text, callbackFunction) {
 617         ajaxGet("createReply.ajax", { "formPassword" : getFormPassword(), "sender": sender, "post" : postId, "text": text }, function(data, textStatus) {
 618                 if (data == null) {
 619                         /* TODO - show error */
 620                         return;
 621                 }
 622                 if (data.success) {
 623                         callbackFunction(true, null, data.reply, data.sone);
 624                 } else {
 625                         callbackFunction(false, data.error);
 626                 }
 627         }, function(xmlHttpRequest, textStatus, error) {
 628                 /* ignore error. */
 629         });
 630 }
 631
 632 /**
 633  * Ajaxifies the given Sone by enhancing all eligible elements with AJAX.
 634  *
 635  * @param soneElement
 636  *            The Sone to ajaxify
 637  */
 638 function ajaxifySone(soneElement) {
 639         /*
 640          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
 641          * nicer.
 642          */
 643         $(".follow", soneElement).submit(function() {
 644                 var followElement = this;
 645                 ajaxGet("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 646                         $(followElement).addClass("hidden");
 647                         $(followElement).parent().find(".unfollow").removeClass("hidden");
 648                 });
 649                 return false;
 650         });
 651         $(".unfollow", soneElement).submit(function() {
 652                 var unfollowElement = this;
 653                 ajaxGet("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 654                         $(unfollowElement).addClass("hidden");
 655                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
 656                 });
 657                 return false;
 658         });
 659         $(".lock", soneElement).submit(function() {
 660                 var lockElement = this;
 661                 ajaxGet("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 662                         $(lockElement).addClass("hidden");
 663                         $(lockElement).parent().find(".unlock").removeClass("hidden");
 664                 });
 665                 return false;
 666         });
 667         $(".unlock", soneElement).submit(function() {
 668                 var unlockElement = this;
 669                 ajaxGet("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 670                         $(unlockElement).addClass("hidden");
 671                         $(unlockElement).parent().find(".lock").removeClass("hidden");
 672                 });
 673                 return false;
 674         });
 675
 676         /* mark Sone as known when clicking it. */
 677         $(soneElement).click(function() {
 678                 markSoneAsKnown(this);
 679         });
 680 }
 681
 682 /**
 683  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
 684  *
 685  * @param postElement
 686  *            The post element to ajaxify
 687  */
 688 function ajaxifyPost(postElement) {
 689         $(postElement).find("form").submit(function() {
 690                 return false;
 691         });
 692         $(postElement).find(".create-reply button:submit").click(function() {
 693                 button = $(this);
 694                 button.attr("disabled", "disabled");
 695                 sender = $(this.form).find(":input[name=sender]").val();
 696                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
 697                 postId = getPostId(this);
 698                 text = $(inputField).val();
 699                 (function(sender, postId, text, inputField) {
 700                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
 701                                 if (success) {
 702                                         $(inputField).val("");
 703                                         loadNewReply(replyId, soneId, postId);
 704                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 705                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
 706                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
 707                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
 708                                 } else {
 709                                         alert(error);
 710                                 }
 711                                 button.removeAttr("disabled");
 712                         });
 713                 })(sender, postId, text, inputField);
 714                 return false;
 715         });
 716
 717         /* replace all “delete” buttons with javascript. */
 718         (function(postElement) {
 719                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 720                         postId = getPostId(postElement);
 721                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 722                 });
 723         })(postElement);
 724
 725         /* convert all “like” buttons to javascript functions. */
 726         $(postElement).find(".like-post").submit(function() {
 727                 likePost(getPostId(this));
 728                 return false;
 729         });
 730         $(postElement).find(".unlike-post").submit(function() {
 731                 unlikePost(getPostId(this));
 732                 return false;
 733         });
 734
 735         /* convert trust control buttons to javascript functions. */
 736         $(postElement).find(".post-trust").submit(function() {
 737                 trustSone(getPostAuthor(this));
 738                 return false;
 739         });
 740         $(postElement).find(".post-distrust").submit(function() {
 741                 distrustSone(getPostAuthor(this));
 742                 return false;
 743         });
 744         $(postElement).find(".post-untrust").submit(function() {
 745                 untrustSone(getPostAuthor(this));
 746                 return false;
 747         });
 748
 749         /* convert bookmark/unbookmark buttons to javascript functions. */
 750         $(postElement).find(".bookmark").submit(function() {
 751                 bookmarkPost(getPostId(this));
 752                 return false;
 753         });
 754         $(postElement).find(".unbookmark").submit(function() {
 755                 unbookmarkPost(getPostId(this));
 756                 return false;
 757         });
 758
 759         /* convert “show source” link into javascript function. */
 760         $(postElement).find(".show-source").each(function() {
 761                 $("a", this).click(function() {
 762                         $(".post-text.text", getPostElement(this)).toggleClass("hidden");
 763                         $(".post-text.raw-text", getPostElement(this)).toggleClass("hidden");
 764                         return false;
 765                 });
 766         });
 767
 768         /* add “comment” link. */
 769         addCommentLink(getPostId(postElement), getPostAuthor(postElement), postElement, $(postElement).find(".post-status-line .permalink-author"));
 770
 771         /* process all replies. */
 772         replyIds = [];
 773         $(postElement).find(".reply").each(function() {
 774                 replyIds.push(getReplyId(this));
 775                 ajaxifyReply(this);
 776         });
 777         updateReplyTimes(replyIds.join(","));
 778
 779         /* process reply input fields. */
 780         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 781                 $(postElement).find("input.reply-input").each(function() {
 782                         registerInputTextareaSwap(this, text, "text", false, false);
 783                 });
 784         });
 785
 786         /* process sender selection. */
 787         $(".select-sender", postElement).css("display", "inline");
 788         $(".sender", postElement).hide();
 789         $(".select-sender button", postElement).click(function() {
 790                 $(".sender", postElement).show();
 791                 $(".select-sender", postElement).hide();
 792                 return false;
 793         });
 794
 795         /* mark everything as known on click. */
 796         $(postElement).click(function(event) {
 797                 if ($(event.target).hasClass("click-to-show")) {
 798                         return false;
 799                 }
 800                 markPostAsKnown(this);
 801         });
 802
 803         /* hide reply input field. */
 804         $(postElement).find(".create-reply").addClass("hidden");
 805 }
 806
 807 /**
 808  * Ajaxifies the given reply element.
 809  *
 810  * @param replyElement
 811  *            The reply element to ajaxify
 812  */
 813 function ajaxifyReply(replyElement) {
 814         $(replyElement).find(".like-reply").submit(function() {
 815                 likeReply(getReplyId(this));
 816                 return false;
 817         });
 818         $(replyElement).find(".unlike-reply").submit(function() {
 819                 unlikeReply(getReplyId(this));
 820                 return false;
 821         });
 822         (function(replyElement) {
 823                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 824                         $(replyElement).find(".delete-reply button").each(function() {
 825                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 826                         });
 827                 });
 828         })(replyElement);
 829         addCommentLink(getPostId(replyElement), getReplyAuthor(replyElement), replyElement, $(replyElement).find(".reply-status-line .permalink-author"));
 830
 831         /* convert “show source” link into javascript function. */
 832         $(replyElement).find(".show-reply-source").each(function() {
 833                 $("a", this).click(function() {
 834                         $(".reply-text.text", getReplyElement(this)).toggleClass("hidden");
 835                         $(".reply-text.raw-text", getReplyElement(this)).toggleClass("hidden");
 836                         return false;
 837                 });
 838         });
 839
 840         /* convert trust control buttons to javascript functions. */
 841         $(replyElement).find(".reply-trust").submit(function() {
 842                 trustSone(getReplyAuthor(this));
 843                 return false;
 844         });
 845         $(replyElement).find(".reply-distrust").submit(function() {
 846                 distrustSone(getReplyAuthor(this));
 847                 return false;
 848         });
 849         $(replyElement).find(".reply-untrust").submit(function() {
 850                 untrustSone(getReplyAuthor(this));
 851                 return false;
 852         });
 853 }
 854
 855 /**
 856  * Ajaxifies the given notification by replacing the form with AJAX.
 857  *
 858  * @param notification
 859  *            jQuery object representing the notification.
 860  */
 861 function ajaxifyNotification(notification) {
 862         notification.find("form").submit(function() {
 863                 return false;
 864         });
 865         notification.find("input[name=returnPage]").val($.url.attr("relative"));
 866         if (notification.find(".short-text").length > 0) {
 867                 notification.find(".short-text").removeClass("hidden");
 868                 notification.find(".text").addClass("hidden");
 869         }
 870         notification.find("form.mark-as-read button").click(function() {
 871                 ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": $(":input[name=id]", this.form).val()});
 872         });
 873         notification.find("a[class^='link-']").each(function() {
 874                 linkElement = $(this);
 875                 if (linkElement.is("[href^='viewPost']")) {
 876                         id = linkElement.attr("class").substr(5);
 877                         if (hasPost(id)) {
 878                                 linkElement.attr("href", "#post-" + id).addClass("in-page-link");
 879                         }
 880                 }
 881         });
 882         notification.find("form.dismiss button").click(function() {
 883                 ajaxGet("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 884                         /* dismiss in case of error, too. */
 885                         notification.slideUp();
 886                 }, function(xmlHttpRequest, textStatus, error) {
 887                         /* ignore error. */
 888                 });
 889         });
 890         return notification;
 891 }
 892
 893 /**
 894  * Retrieves element IDs from notification elements.
 895  *
 896  * @param notification
 897  *            The notification element
 898  * @param selector
 899  *            The selector of the element containing the ID as text
 900  * @returns All extracted IDs
 901  */
 902 function getElementIds(notification, selector) {
 903         elementIds = [];
 904         $(selector, notification).each(function() {
 905                 elementIds.push($(this).text());
 906         });
 907         return elementIds;
 908 }
 909
 910 /**
 911  * Compares the given notification elements and calls {@link #markSoneAsKnown()}
 912  * for every ID that is contained in the old notification but not in the new.
 913  *
 914  * @param oldNotification
 915  *            The old notification element
 916  * @param newNotification
 917  *            The new notification element
 918  */
 919 function checkForRemovedSones(oldNotification, newNotification) {
 920         if (getNotificationId(oldNotification) != "new-sone-notification") {
 921                 return;
 922         }
 923         oldIds = getElementIds(oldNotification, ".new-sone-id");
 924         newIds = getElementIds(newNotification, ".new-sone-id");
 925         $.each(oldIds, function(index, value) {
 926                 if ($.inArray(value, newIds) == -1) {
 927                         markSoneAsKnown(getSone(value), true);
 928                 }
 929         });
 930 }
 931
 932 /**
 933  * Compares the given notification elements and calls {@link #markPostAsKnown()}
 934  * for every ID that is contained in the old notification but not in the new.
 935  *
 936  * @param oldNotification
 937  *            The old notification element
 938  * @param newNotification
 939  *            The new notification element
 940  */
 941 function checkForRemovedPosts(oldNotification, newNotification) {
 942         if (getNotificationId(oldNotification) != "new-post-notification") {
 943                 return;
 944         }
 945         oldIds = getElementIds(oldNotification, ".post-id");
 946         newIds = getElementIds(newNotification, ".post-id");
 947         $.each(oldIds, function(index, value) {
 948                 if ($.inArray(value, newIds) == -1) {
 949                         markPostAsKnown(getPost(value), true);
 950                 }
 951         });
 952 }
 953
 954 /**
 955  * Compares the given notification elements and calls
 956  * {@link #markReplyAsKnown()} for every ID that is contained in the old
 957  * notification but not in the new.
 958  *
 959  * @param oldNotification
 960  *            The old notification element
 961  * @param newNotification
 962  *            The new notification element
 963  */
 964 function checkForRemovedReplies(oldNotification, newNotification) {
 965         if (getNotificationId(oldNotification) != "new-replies-notification") {
 966                 return;
 967         }
 968         oldIds = getElementIds(oldNotification, ".reply-id");
 969         newIds = getElementIds(newNotification, ".reply-id");
 970         $.each(oldIds, function(index, value) {
 971                 if ($.inArray(value, newIds) == -1) {
 972                         markReplyAsKnown(getReply(value), true);
 973                 }
 974         });
 975 }
 976
 977 function getStatus() {
 978         ajaxGet("getStatus.ajax", isViewSonePage() ? {"soneIds": getShownSoneId() } : {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
 979                 if ((data != null) && data.success) {
 980                         /* process Sone information. */
 981                         $.each(data.sones, function(index, value) {
 982                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated, value.lastUpdatedText);
 983                         });
 984                         notLoggedIn = !data.loggedIn;
 985                         if (!notLoggedIn) {
 986                                 showOfflineMarker(!online);
 987                         }
 988                         /* search for removed notifications. */
 989                         $("#sone #notification-area .notification").each(function() {
 990                                 notificationId = $(this).attr("id");
 991                                 foundNotification = false;
 992                                 $.each(data.notifications, function(index, value) {
 993                                         if (value.id == notificationId) {
 994                                                 foundNotification = true;
 995                                                 return false;
 996                                         }
 997                                 });
 998                                 if (!foundNotification) {
 999                                         if (notificationId == "new-sone-notification") {
1000                                                 $(".new-sone-id", this).each(function(index, element) {
1001                                                         soneId = $(this).text();
1002                                                         markSoneAsKnown(getSone(soneId), true);
1003                                                 });
1004                                         } else if (notificationId == "new-post-notification") {
1005                                                 $(".post-id", this).each(function(index, element) {
1006                                                         postId = $(this).text();
1007                                                         markPostAsKnown(getPost(postId), true);
1008                                                 });
1009                                         } else if (notificationId == "new-replies-notification") {
1010                                                 $(".reply-id", this).each(function(index, element) {
1011                                                         replyId = $(this).text();
1012                                                         markReplyAsKnown(getReply(replyId), true);
1013                                                 });
1014                                         }
1015                                         $(this).slideUp("normal", function() {
1016                                                 $(this).remove();
1017                                                 /* remove activity when no notifications are visible. */
1018                                                 if ($("#sone #notification-area .notification").length == 0) {
1019                                                         resetActivity();
1020                                                 }
1021                                         });
1022                                 }
1023                         });
1024                         /* process notifications. */
1025                         notificationIds = [];
1026                         $.each(data.notifications, function(index, value) {
1027                                 oldNotification = getNotification(value.id);
1028                                 if ((oldNotification.length == 0) || (value.lastUpdatedTime > getNotificationLastUpdatedTime(oldNotification))) {
1029                                         notificationIds.push(value.id);
1030                                 }
1031                         });
1032                         if (notificationIds.length > 0) {
1033                                 loadNotifications(notificationIds);
1034                         }
1035                         /* process new posts. */
1036                         $.each(data.newPosts, function(index, value) {
1037                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
1038                         });
1039                         /* process new replies. */
1040                         $.each(data.newReplies, function(index, value) {
1041                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
1042                         });
1043                         /* do it again in 5 seconds. */
1044                         setTimeout(getStatus, 5000);
1045                 } else {
1046                         /* data.success was false, wait 30 seconds. */
1047                         setTimeout(getStatus, 30000);
1048                 }
1049         }, function() {
1050                 statusRequestQueued = false;
1051                 ajaxError();
1052         });
1053 }
1054
1055 /**
1056  * Requests multiple notifications from Sone and displays them.
1057  *
1058  * @param notificationIds
1059  *            Array of IDs of the notifications to load
1060  */
1061 function loadNotifications(notificationIds) {
1062         ajaxGet("getNotification.ajax", {"notifications": notificationIds.join(",")}, function(data, textStatus) {
1063                 if (!data || !data.success) {
1064                         // TODO - show error
1065                         return;
1066                 }
1067                 $.each(data.notifications, function(index, value) {
1068                         oldNotification = getNotification(value.id);
1069                         notification = ajaxifyNotification(createNotification(value.id, value.lastUpdatedTime, value.text, value.dismissable)).hide();
1070                         if (oldNotification.length != 0) {
1071                                 if ((oldNotification.find(".short-text").length > 0) && (notification.find(".short-text").length > 0)) {
1072                                         opened = oldNotification.is(":visible") && oldNotification.find(".short-text").hasClass("hidden");
1073                                         notification.find(".short-text").toggleClass("hidden", opened);
1074                                         notification.find(".text").toggleClass("hidden", !opened);
1075                                 }
1076                                 checkForRemovedSones(oldNotification, notification);
1077                                 checkForRemovedPosts(oldNotification, notification);
1078                                 checkForRemovedReplies(oldNotification, notification);
1079                                 oldNotification.replaceWith(notification.show());
1080                         } else {
1081                                 $("#sone #notification-area").append(notification);
1082                                 notification.slideDown();
1083                                 setActivity();
1084                         }
1085                 });
1086         });
1087 }
1088
1089 /**
1090  * Returns the ID of the currently logged in Sone.
1091  *
1092  * @return The ID of the current Sone, or an empty string if no Sone is logged
1093  *         in
1094  */
1095 function getCurrentSoneId() {
1096         return $("#currentSoneId").text();
1097 }
1098
1099 /**
1100  * Returns the content of the page-id attribute.
1101  *
1102  * @returns The page ID
1103  */
1104 function getPageId() {
1105         return $("#sone .page-id").text();
1106 }
1107
1108 /**
1109  * Returns whether the current page is the index page.
1110  *
1111  * @returns {Boolean} <code>true</code> if the current page is the index page,
1112  *          <code>false</code> otherwise
1113  */
1114 function isIndexPage() {
1115         return getPageId() == "index";
1116 }
1117
1118 /**
1119  * Returns the current page of the selected pagination. If no pagination can be
1120  * found with the given selector, {@code 1} is returned.
1121  *
1122  * @param paginationSelector
1123  *            The pagination selector
1124  * @returns The current page of the pagination
1125  */
1126 function getPage(paginationSelector) {
1127         pagination = $(paginationSelector);
1128         if (pagination.length > 0) {
1129                 return $(".current-page", paginationSelector).text();
1130         }
1131         return 1;
1132 }
1133
1134 /**
1135  * Returns whether the current page is a “view Sone” page.
1136  *
1137  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
1138  *          page, <code>false</code> otherwise
1139  */
1140 function isViewSonePage() {
1141         return getPageId() == "view-sone";
1142 }
1143
1144 /**
1145  * Returns the ID of the currently shown Sone. This will only return a sensible
1146  * value if isViewSonePage() returns <code>true</code>.
1147  *
1148  * @returns The ID of the currently shown Sone
1149  */
1150 function getShownSoneId() {
1151         return $("#sone .sone-id").text();
1152 }
1153
1154 /**
1155  * Returns whether the current page is a “view post” page.
1156  *
1157  * @returns {Boolean} <code>true</code> if the current page is a “view post”
1158  *          page, <code>false</code> otherwise
1159  */
1160 function isViewPostPage() {
1161         return getPageId() == "view-post";
1162 }
1163
1164 /**
1165  * Returns the ID of the currently shown post. This will only return a sensible
1166  * value if isViewPostPage() returns <code>true</code>.
1167  *
1168  * @returns The ID of the currently shown post
1169  */
1170 function getShownPostId() {
1171         return $("#sone .post-id").text();
1172 }
1173
1174 /**
1175  * Returns whether the current page is the “known Sones” page.
1176  *
1177  * @returns {Boolean} <code>true</code> if the current page is the “known
1178  *          Sones” page, <code>false</code> otherwise
1179  */
1180 function isKnownSonesPage() {
1181         return getPageId() == "known-sones";
1182 }
1183
1184 /**
1185  * Returns whether a post with the given ID exists on the current page.
1186  *
1187  * @param postId
1188  *            The post ID to check for
1189  * @returns {Boolean} <code>true</code> if a post with the given ID already
1190  *          exists on the page, <code>false</code> otherwise
1191  */
1192 function hasPost(postId) {
1193         return $(".post#" + postId).length > 0;
1194 }
1195
1196 /**
1197  * Returns whether a reply with the given ID exists on the current page.
1198  *
1199  * @param replyId
1200  *            The reply ID to check for
1201  * @returns {Boolean} <code>true</code> if a reply with the given ID already
1202  *          exists on the page, <code>false</code> otherwise
1203  */
1204 function hasReply(replyId) {
1205         return $("#sone .reply#" + replyId).length > 0;
1206 }
1207
1208 function loadNewPost(postId, soneId, recipientId, time) {
1209         if (hasPost(postId)) {
1210                 return;
1211         }
1212         if (!isIndexPage() || (getPage(".pagination-index") > 1)) {
1213                 if (!isViewPostPage() || (getShownPostId() != postId)) {
1214                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId)) || (getPage(".post-navigation") > 1)) {
1215                                 return;
1216                         }
1217                 }
1218         }
1219         if (getPostTime($("#sone .post").last()) > time) {
1220                 return;
1221         }
1222         ajaxGet("getPost.ajax", { "post" : postId }, function(data, textStatus) {
1223                 if ((data != null) && data.success) {
1224                         if (hasPost(data.post.id)) {
1225                                 return;
1226                         }
1227                         if ((!isIndexPage() || (getPage(".pagination-index") > 1)) && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient) || (getPage(".post-navigation") > 1)))) {
1228                                 return;
1229                         }
1230                         var firstOlderPost = null;
1231                         $("#sone .post").each(function() {
1232                                 if (getPostTime(this) < data.post.time) {
1233                                         firstOlderPost = $(this);
1234                                         return false;
1235                                 }
1236                         });
1237                         newPost = $(data.post.html).addClass("hidden");
1238                         if ($(".post-author-local", newPost).text() == "true") {
1239                                 newPost.removeClass("new");
1240                                 (function(newPost) {
1241                                         setTimeout(function() {
1242                                                 markPostAsKnown(newPost, false);
1243                                         }, 5000);
1244                                 })(newPost);
1245                         }
1246                         if (firstOlderPost != null) {
1247                                 newPost.insertBefore(firstOlderPost);
1248                         }
1249                         ajaxifyPost(newPost);
1250                         updatePostTimes(data.post.id);
1251                         newPost.slideDown();
1252                         setActivity();
1253                 }
1254         });
1255 }
1256
1257 function loadNewReply(replyId, soneId, postId, postSoneId) {
1258         if (hasReply(replyId)) {
1259                 return;
1260         }
1261         if (!hasPost(postId)) {
1262                 return;
1263         }
1264         ajaxGet("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
1265                 /* find post. */
1266                 if ((data != null) && data.success) {
1267                         if (hasReply(data.reply.id)) {
1268                                 return;
1269                         }
1270                         $("#sone .post#" + data.reply.postId).each(function() {
1271                                 var firstNewerReply = null;
1272                                 $(this).find(".replies .reply").each(function() {
1273                                         if (getReplyTime(this) > data.reply.time) {
1274                                                 firstNewerReply = $(this);
1275                                                 return false;
1276                                         }
1277                                 });
1278                                 newReply = $(data.reply.html).addClass("hidden");
1279                                 if ($(".reply-author-local", newReply).text() == "true") {
1280                                         newReply.removeClass("new");
1281                                         (function(newReply) {
1282                                                 setTimeout(function() {
1283                                                         markReplyAsKnown(newReply, false);
1284                                                 }, 5000);
1285                                         })(newReply);
1286                                 }
1287                                 if (firstNewerReply != null) {
1288                                         newReply.insertBefore(firstNewerReply);
1289                                 } else {
1290                                         if ($(this).find(".replies .create-reply")) {
1291                                                 $(this).find(".replies .create-reply").before(newReply);
1292                                         } else {
1293                                                 $(this).find(".replies").append(newReply);
1294                                         }
1295                                 }
1296                                 ajaxifyReply(newReply);
1297                                 updateReplyTimes(data.reply.id);
1298                                 newReply.slideDown();
1299                                 setActivity();
1300                                 return false;
1301                         });
1302                 }
1303         });
1304 }
1305
1306 /**
1307  * Marks the given Sone as known if it is still new.
1308  *
1309  * @param soneElement
1310  *            The Sone to mark as known
1311  * @param skipRequest
1312  *            true to skip the JSON request, false or omit to perform the JSON
1313  *            request
1314  */
1315 function markSoneAsKnown(soneElement, skipRequest) {
1316         if ($(soneElement).is(".new")) {
1317                 $(soneElement).removeClass("new");
1318                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1319                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)});
1320                 }
1321         }
1322 }
1323
1324 function markPostAsKnown(postElements, skipRequest) {
1325         $(postElements).each(function() {
1326                 postElement = this;
1327                 if ($(postElement).hasClass("new") || ((typeof skipRequest != "undefined") && !skipRequest)) {
1328                         (function(postElement) {
1329                                 $(postElement).removeClass("new");
1330                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1331                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)});
1332                                 }
1333                         })(postElement);
1334                 }
1335                 $(".click-to-show", postElement).removeClass("new");
1336         });
1337         markReplyAsKnown($(postElements).find(".reply"));
1338 }
1339
1340 function markReplyAsKnown(replyElements, skipRequest) {
1341         $(replyElements).each(function() {
1342                 replyElement = this;
1343                 if ($(replyElement).hasClass("new") || ((typeof skipRequest != "undefined") && !skipRequest)) {
1344                         (function(replyElement) {
1345                                 $(replyElement).removeClass("new");
1346                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1347                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)});
1348                                 }
1349                         })(replyElement);
1350                 }
1351         });
1352 }
1353
1354 /**
1355  * Updates the time of the post with the given ID.
1356  *
1357  * @param postId
1358  *            The ID of the post to update
1359  * @param timeText
1360  *            The text of the time to show
1361  * @param refreshTime
1362  *            The refresh time after which to request a new time (in seconds)
1363  * @param tooltip
1364  *            The tooltip to show
1365  */
1366 function updatePostTime(postId, timeText, refreshTime, tooltip) {
1367         if (!getPost(postId).is(":visible")) {
1368                 return;
1369         }
1370         getPost(postId).find(".post-status-line > .time a").html(timeText).attr("title", tooltip);
1371         (function(postId, refreshTime) {
1372                 setTimeout(function() {
1373                         updatePostTimes(postId);
1374                 }, refreshTime * 1000);
1375         })(postId, refreshTime);
1376 }
1377
1378 /**
1379  * Requests new rendered times for the posts with the given IDs.
1380  *
1381  * @param postIds
1382  *            Comma-separated post IDs
1383  */
1384 function updatePostTimes(postIds) {
1385         ajaxGet("getTimes.ajax", { "posts" : postIds }, function(data, textStatus) {
1386                 if ((data != null) && data.success) {
1387                         $.each(data.postTimes, function(index, value) {
1388                                 updatePostTime(index, value.timeText, value.refreshTime, value.tooltip);
1389                         });
1390                 }
1391         });
1392 }
1393
1394 /**
1395  * Updates the time of the reply with the given ID.
1396  *
1397  * @param postId
1398  *            The ID of the reply to update
1399  * @param timeText
1400  *            The text of the time to show
1401  * @param refreshTime
1402  *            The refresh time after which to request a new time (in seconds)
1403  * @param tooltip
1404  *            The tooltip to show
1405  */
1406 function updateReplyTime(replyId, timeText, refreshTime, tooltip) {
1407         getReply(replyId).find(".reply-status-line > .time").html(timeText).attr("title", tooltip);
1408         (function(replyId, refreshTime) {
1409                 setTimeout(function() {
1410                         updateReplyTimes(replyId);
1411                 }, refreshTime * 1000);
1412         })(replyId, refreshTime);
1413 }
1414
1415 /**
1416  * Requests new rendered times for the posts with the given IDs.
1417  *
1418  * @param postIds
1419  *            Comma-separated post IDs
1420  */
1421 function updateReplyTimes(replyIds) {
1422         ajaxGet("getTimes.ajax", { "replies" : replyIds }, function(data, textStatus) {
1423                 if ((data != null) && data.success) {
1424                         $.each(data.replyTimes, function(index, value) {
1425                                 updateReplyTime(index, value.timeText, value.refreshTime, value.tooltip);
1426                         });
1427                 }
1428         });
1429 }
1430
1431 function resetActivity() {
1432         title = document.title;
1433         if (title.indexOf('(') == 0) {
1434                 setTitle(title.substr(title.indexOf(' ') + 1));
1435         }
1436         iconBlinking = false;
1437 }
1438
1439 function setActivity() {
1440         if (!focus) {
1441                 title = document.title;
1442                 if (title.indexOf('(') != 0) {
1443                         setTitle("(!) " + title);
1444                 }
1445                 if (!iconBlinking) {
1446                         setTimeout(toggleIcon, 1500);
1447                         iconBlinking = true;
1448                 }
1449         }
1450 }
1451
1452 /**
1453  * Sets the window title after a small delay to prevent race-condition issues.
1454  *
1455  * @param title
1456  *            The title to set
1457  */
1458 function setTitle(title) {
1459         setTimeout(function() {
1460                 document.title = title;
1461         }, 50);
1462 }
1463
1464 /** Whether the icon is currently showing activity. */
1465 var iconActive = false;
1466
1467 /** Whether the icon is currently supposed to blink. */
1468 var iconBlinking = false;
1469
1470 /**
1471  * Toggles the icon. If the window has gained focus and the icon is still
1472  * showing the activity state, it is returned to normal.
1473  */
1474 function toggleIcon() {
1475         if (focus || !iconBlinking) {
1476                 if (iconActive) {
1477                         changeIcon("images/icon.png");
1478                         iconActive = false;
1479                 }
1480                 iconBlinking = false;
1481         } else {
1482                 iconActive = !iconActive;
1483                 changeIcon(iconActive ? "images/icon-activity.png" : "images/icon.png");
1484                 setTimeout(toggleIcon, 1500);
1485         }
1486 }
1487
1488 /**
1489  * Changes the icon of the page.
1490  *
1491  * @param iconUrl
1492  *            The new URL of the icon
1493  */
1494 function changeIcon(iconUrl) {
1495         $("link[rel=icon]").remove();
1496         $("head").append($("<link>").attr("rel", "icon").attr("type", "image/png").attr("href", iconUrl));
1497         $("iframe[id=icon-update]")[0].src += "";
1498 }
1499
1500 /**
1501  * Creates a new notification.
1502  *
1503  * @param id
1504  *            The ID of the notificaiton
1505  * @param text
1506  *            The text of the notification
1507  * @param dismissable
1508  *            <code>true</code> if the notification can be dismissed by the
1509  *            user
1510  */
1511 function createNotification(id, lastUpdatedTime, text, dismissable) {
1512         notification = $("<div></div>").addClass("notification").attr("id", id).attr("lastUpdatedTime", lastUpdatedTime);
1513         if (dismissable) {
1514                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id");
1515                 dismissForm.find("input[name=notification]").val(id);
1516                 notification.append(dismissForm);
1517         }
1518         notification.append(text);
1519         return notification;
1520 }
1521
1522 /**
1523  * Shows the details of the notification with the given ID.
1524  *
1525  * @param notificationId
1526  *            The ID of the notification
1527  */
1528 function showNotificationDetails(notificationId) {
1529         $("#sone .notification#" + notificationId + " .text").removeClass("hidden");
1530         $("#sone .notification#" + notificationId + " .short-text").addClass("hidden");
1531 }
1532
1533 /**
1534  * Deletes the field with the given ID from the profile.
1535  *
1536  * @param fieldId
1537  *            The ID of the field to delete
1538  */
1539 function deleteProfileField(fieldId) {
1540         ajaxGet("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1541                 if (data && data.success) {
1542                         $("#sone .profile-field#" + data.field.id).slideUp();
1543                 }
1544         });
1545 }
1546
1547 /**
1548  * Renames a profile field.
1549  *
1550  * @param fieldId
1551  *            The ID of the field to rename
1552  * @param newName
1553  *            The new name of the field
1554  * @param successFunction
1555  *            Called when the renaming was successful
1556  */
1557 function editProfileField(fieldId, newName, successFunction) {
1558         ajaxGet("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1559                 if (data && data.success) {
1560                         successFunction();
1561                 }
1562         });
1563 }
1564
1565 /**
1566  * Moves the profile field with the given ID one slot in the given direction.
1567  *
1568  * @param fieldId
1569  *            The ID of the field to move
1570  * @param direction
1571  *            The direction to move in (“up” or “down”)
1572  * @param successFunction
1573  *            Function to call on success
1574  */
1575 function moveProfileField(fieldId, direction, successFunction) {
1576         ajaxGet("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1577                 if (data && data.success) {
1578                         successFunction();
1579                 }
1580         });
1581 }
1582
1583 /**
1584  * Moves the profile field with the given ID up one slot.
1585  *
1586  * @param fieldId
1587  *            The ID of the field to move
1588  * @param successFunction
1589  *            Function to call on success
1590  */
1591 function moveProfileFieldUp(fieldId, successFunction) {
1592         moveProfileField(fieldId, "up", successFunction);
1593 }
1594
1595 /**
1596  * Moves the profile field with the given ID down one slot.
1597  *
1598  * @param fieldId
1599  *            The ID of the field to move
1600  * @param successFunction
1601  *            Function to call on success
1602  */
1603 function moveProfileFieldDown(fieldId, successFunction) {
1604         moveProfileField(fieldId, "down", successFunction);
1605 }
1606
1607 var statusRequestQueued = true;
1608
1609 /**
1610  * Sets the status of the web interface as offline.
1611  */
1612 function ajaxError() {
1613         online = false;
1614         showOfflineMarker(true);
1615         if (!statusRequestQueued) {
1616                 setTimeout(getStatus, 5000);
1617                 statusRequestQueued = true;
1618         }
1619 }
1620
1621 /**
1622  * Sets the status of the web interface as online.
1623  */
1624 function ajaxSuccess() {
1625         online = true;
1626         showOfflineMarker(!online || (initiallyLoggedIn && notLoggedIn));
1627 }
1628
1629 /**
1630  * Shows or hides the offline marker.
1631  *
1632  * @param visible
1633  *            {@code true} to display the offline marker, {@code false} to hide
1634  *            it
1635  */
1636 function showOfflineMarker(visible) {
1637         /* jQuery documentation says toggle() works the other way around?! */
1638         $("#sone #offline-marker").toggle(visible);
1639         if (visible) {
1640                 $("#sone #main").addClass("offline");
1641         } else {
1642                 $("#sone #main").removeClass("offline");
1643         }
1644 }
1645
1646 //
1647 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1648 //
1649
1650 var focus = true;
1651 var online = true;
1652 var initiallyLoggedIn = $("#sone #loggedIn").text() == "true";
1653 var notLoggedIn = !initiallyLoggedIn;
1654
1655 $(document).ready(function() {
1656
1657         /* this initializes the status update input field. */
1658         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1659                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1660                 $("#sone #update-status .select-sender").css("display", "inline");
1661                 $("#sone #update-status .sender").hide();
1662                 $("#sone #update-status .select-sender button").click(function() {
1663                         $("#sone #update-status .sender").show();
1664                         $("#sone #update-status .select-sender").hide();
1665                         return false;
1666                 });
1667                 $("#sone #update-status").submit(function() {
1668                         button = $("button:submit", this);
1669                         button.attr("disabled", "disabled");
1670                         if ($(this).find(":input.default:enabled").length > 0) {
1671                                 return false;
1672                         }
1673                         sender = $(this).find(":input[name=sender]").val();
1674                         text = $(this).find(":input[name=text]:enabled").val();
1675                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1676                                 button.removeAttr("disabled");
1677                         });
1678                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1679                         $(this).find(":input[name=text]:enabled").val("").blur();
1680                         $(this).find(".sender").hide();
1681                         $(this).find(".select-sender").show();
1682                         return false;
1683                 });
1684         });
1685
1686         /* ajaxify the search input field. */
1687         getTranslation("WebInterface.DefaultText.Search", function(defaultText) {
1688                 registerInputTextareaSwap("#sone #search input[name=query]", defaultText, "query", false, true);
1689         });
1690
1691         /* ajaxify input field on “view Sone” page. */
1692         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1693                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1694                 $("#sone #post-message .select-sender").css("display", "inline");
1695                 $("#sone #post-message .sender").hide();
1696                 $("#sone #post-message .select-sender button").click(function() {
1697                         $("#sone #post-message .sender").show();
1698                         $("#sone #post-message .select-sender").hide();
1699                         return false;
1700                 });
1701                 $("#sone #post-message").submit(function() {
1702                         sender = $(this).find(":input[name=sender]").val();
1703                         text = $(this).find(":input[name=text]:enabled").val();
1704                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "sender": sender, "text": text });
1705                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1706                         $(this).find(":input[name=text]:enabled").val("").blur();
1707                         $(this).find(".sender").hide();
1708                         $(this).find(".select-sender").show();
1709                         return false;
1710                 });
1711         });
1712
1713         /* Ajaxifies all posts. */
1714         /* calling getTranslation here will cache the necessary values. */
1715         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1716                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1717                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1718                                 $("#sone .post").each(function() {
1719                                         ajaxifyPost(this);
1720                                 });
1721                         });
1722                 });
1723         });
1724
1725         /* update post times. */
1726         postIds = [];
1727         $("#sone .post").each(function() {
1728                 postIds.push(getPostId(this));
1729         });
1730         updatePostTimes(postIds.join(","));
1731
1732         /* hides all replies but the latest two. */
1733         if (!isViewPostPage()) {
1734                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1735                         $("#sone .post .replies").each(function() {
1736                                 allReplies = $(this).find(".reply");
1737                                 if (allReplies.length > 2) {
1738                                         newHidden = false;
1739                                         for (replyIndex = 0; !newHidden && (replyIndex < (allReplies.length - 2)); ++replyIndex) {
1740                                                 $(allReplies[replyIndex]).addClass("hidden");
1741                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1742                                         }
1743                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1744                                         if (newHidden) {
1745                                                 clickToShowElement.addClass("new");
1746                                         }
1747                                         (function(clickToShowElement, allReplies, text) {
1748                                                 clickToShowElement.text(text);
1749                                                 clickToShowElement.click(function() {
1750                                                         allReplies.removeClass("hidden");
1751                                                         clickToShowElement.addClass("hidden");
1752                                                 });
1753                                         })(clickToShowElement, allReplies, text);
1754                                         $(allReplies[0]).before(clickToShowElement);
1755                                 }
1756                         });
1757                 });
1758         }
1759
1760         $("#sone .sone").each(function() {
1761                 ajaxifySone($(this));
1762         });
1763
1764         /* process all existing notifications, ajaxify dismiss buttons. */
1765         $("#sone #notification-area .notification").each(function() {
1766                 ajaxifyNotification($(this));
1767         });
1768
1769         /* disable all permalinks. */
1770         $(".permalink").click(function() {
1771                 return false;
1772         });
1773
1774         /* activate status polling. */
1775         setTimeout(getStatus, 5000);
1776
1777         /* reset activity counter when the page has focus. */
1778         $(window).focus(function() {
1779                 focus = true;
1780                 resetActivity();
1781         }).blur(function() {
1782                 focus = false;
1783         });
1784
1785 });