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

   1 /* Sone JavaScript functions. */
   2
   3 /* jQuery overrides. */
   4 oldGetJson = jQuery.prototype.getJSON;
   5 jQuery.prototype.getJSON = function(url, data, successCallback, errorCallback) {
   6         if (typeof errorCallback == "undefined") {
   7                 return oldGetJson(url, data, successCallback);
   8         }
   9         if (jQuery.isFunction(data)) {
  10                 errorCallback = successCallback;
  11                 successCallback = data;
  12                 data = null;
  13         }
  14         return jQuery.ajax({
  15                 data: data,
  16                 error: errorCallback,
  17                 success: successCallback,
  18                 url: url
  19         });
  20 }
  21
  22 function isOnline() {
  23         return $("#sone").hasClass("online");
  24 }
  25
  26 function registerInputTextareaSwap(inputElement, defaultText, inputFieldName, optional, dontUseTextarea) {
  27         $(inputElement).each(function() {
  28                 textarea = $(dontUseTextarea ? "<input type=\"text\" name=\"" + inputFieldName + "\">" : "<textarea name=\"" + inputFieldName + "\"></textarea>").blur(function() {
  29                         if ($(this).val() == "") {
  30                                 $(this).hide();
  31                                 inputField = $(this).data("inputField");
  32                                 inputField.show().removeAttr("disabled").addClass("default");
  33                                 inputField.val(defaultText);
  34                         }
  35                 }).hide().data("inputField", $(this)).val($(this).val());
  36                 $(this).data("textarea", textarea).after(textarea);
  37                 (function(inputField, textarea) {
  38                         inputField.focus(function() {
  39                                 $(this).hide().attr("disabled", "disabled");
  40                                 /* no, show(), “display: block” is not what I need. */
  41                                 textarea.attr("style", "display: inline").focus();
  42                         });
  43                         if (inputField.val() == "") {
  44                                 inputField.addClass("default");
  45                                 inputField.val(defaultText);
  46                         } else {
  47                                 inputField.hide().attr("disabled", "disabled");
  48                                 textarea.show();
  49                         }
  50                         $(inputField.get(0).form).submit(function() {
  51                                 inputField.attr("disabled", "disabled");
  52                                 if (!optional && (textarea.val() == "")) {
  53                                         inputField.removeAttr("disabled").focus();
  54                                         return false;
  55                                 }
  56                         });
  57                 })($(this), textarea);
  58         });
  59 }
  60
  61 /**
  62  * Adds a “comment” link to all status lines contained in the given element.
  63  *
  64  * @param postId
  65  *            The ID of the post
  66  * @param element
  67  *            The element to add a “comment” link to
  68  */
  69 function addCommentLink(postId, author, element, insertAfterThisElement) {
  70         if (($(element).find(".show-reply-form").length > 0) || (getPostElement(element).find(".create-reply").length == 0)) {
  71                 return;
  72         }
  73         commentElement = (function(postId, author) {
  74                 separator = $("<span> · </span>").addClass("separator");
  75                 var commentElement = $("<div><span>Comment</span></div>").addClass("show-reply-form").click(function() {
  76                         replyElement = $("#sone .post#" + postId + " .create-reply");
  77                         replyElement.removeClass("hidden");
  78                         replyElement.removeClass("light");
  79                         (function(replyElement) {
  80                                 replyElement.find("input.reply-input").blur(function() {
  81                                         if ($(this).hasClass("default")) {
  82                                                 replyElement.addClass("light");
  83                                         }
  84                                 }).focus(function() {
  85                                         replyElement.removeClass("light");
  86                                 });
  87                         })(replyElement);
  88                         textArea = replyElement.find("input.reply-input").focus().data("textarea");
  89                         textArea.val(textArea.val() + "@sone://" + author + " ");
  90                 });
  91                 return commentElement;
  92         })(postId, author);
  93         $(insertAfterThisElement).after(commentElement.clone(true));
  94         $(insertAfterThisElement).after(separator);
  95 }
  96
  97 var translations = {};
  98
  99 /**
 100  * Retrieves the translation for the given key and calls the callback function.
 101  * The callback function takes a single parameter, the translated string.
 102  *
 103  * @param key
 104  *            The key of the translation string
 105  * @param callback
 106  *            The callback function
 107  */
 108 function getTranslation(key, callback) {
 109         if (key in translations) {
 110                 callback(translations[key]);
 111                 return;
 112         }
 113         $.getJSON("getTranslation.ajax", {"key": key}, function(data, textStatus) {
 114                 if ((data != null) && data.success) {
 115                         translations[key] = data.value;
 116                         callback(data.value);
 117                 }
 118         }, function(xmlHttpRequest, textStatus, error) {
 119                 /* ignore error. */
 120         });
 121 }
 122
 123 /**
 124  * Filters the given Sone ID, replacing all “~” characters by an underscore.
 125  *
 126  * @param soneId
 127  *            The Sone ID to filter
 128  * @returns The filtered Sone ID
 129  */
 130 function filterSoneId(soneId) {
 131         return soneId.replace(/[^a-zA-Z0-9-]/g, "_");
 132 }
 133
 134 /**
 135  * Updates the status of the given Sone.
 136  *
 137  * @param soneId
 138  *            The ID of the Sone to update
 139  * @param status
 140  *            The status of the Sone (“idle”, “unknown”, “inserting”,
 141  *            “downloading”)
 142  * @param modified
 143  *            Whether the Sone is modified
 144  * @param locked
 145  *            Whether the Sone is locked
 146  * @param lastUpdated
 147  *            The date and time of the last update (formatted for display)
 148  */
 149 function updateSoneStatus(soneId, name, status, modified, locked, lastUpdated, lastUpdatedText) {
 150         $("#sone .sone." + filterSoneId(soneId)).
 151                 toggleClass("unknown", status == "unknown").
 152                 toggleClass("idle", status == "idle").
 153                 toggleClass("inserting", status == "inserting").
 154                 toggleClass("downloading", status == "downloading").
 155                 toggleClass("modified", modified);
 156         $("#sone .sone." + filterSoneId(soneId) + " .lock").toggleClass("hidden", locked);
 157         $("#sone .sone." + filterSoneId(soneId) + " .unlock").toggleClass("hidden", !locked);
 158         if (lastUpdated != null) {
 159                 $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").attr("title", lastUpdated).text(lastUpdatedText);
 160         } else {
 161                 getTranslation("View.Sone.Text.UnknownDate", function(unknown) {
 162                         $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(unknown);
 163                 });
 164         }
 165         $("#sone .sone." + filterSoneId(soneId) + " .profile-link a").text(name);
 166 }
 167
 168 /**
 169  * Enhances a “delete” button so that the confirmation is done on the same page.
 170  *
 171  * @param button
 172  *            The button element
 173  * @param text
 174  *            The text to show on the button
 175  * @param deleteCallback
 176  *            The callback that actually deletes something
 177  */
 178 function enhanceDeleteButton(button, text, deleteCallback) {
 179         (function(button) {
 180                 newButton = $("<button></button>").addClass("confirm").hide().text(text).click(function() {
 181                         $(this).fadeOut("slow");
 182                         deleteCallback();
 183                         return false;
 184                 }).insertAfter(button);
 185                 (function(button, newButton) {
 186                         button.click(function() {
 187                                 button.fadeOut("slow", function() {
 188                                         newButton.fadeIn("slow");
 189                                         $(document).one("click", function() {
 190                                                 if (this != newButton.get(0)) {
 191                                                         newButton.fadeOut(function() {
 192                                                                 button.fadeIn();
 193                                                         });
 194                                                 }
 195                                         });
 196                                 });
 197                                 return false;
 198                         });
 199                 })(button, newButton);
 200         })($(button));
 201 }
 202
 203 /**
 204  * Enhances a post’s “delete” button.
 205  *
 206  * @param button
 207  *            The button element
 208  * @param postId
 209  *            The ID of the post to delete
 210  * @param text
 211  *            The text to replace the button with
 212  */
 213 function enhanceDeletePostButton(button, postId, text) {
 214         enhanceDeleteButton(button, text, function() {
 215                 $.getJSON("deletePost.ajax", { "post": postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 216                         if (data == null) {
 217                                 return;
 218                         }
 219                         if (data.success) {
 220                                 $("#sone .post#" + postId).slideUp();
 221                         } else if (data.error == "invalid-post-id") {
 222                                 /* pretend the post is already gone. */
 223                                 getPost(postId).slideUp();
 224                         } else if (data.error == "auth-required") {
 225                                 alert("You need to be logged in.");
 226                         } else if (data.error == "not-authorized") {
 227                                 alert("You are not allowed to delete this post.");
 228                         }
 229                 }, function(xmlHttpRequest, textStatus, error) {
 230                         /* ignore error. */
 231                 });
 232         });
 233 }
 234
 235 /**
 236  * Enhances a reply’s “delete” button.
 237  *
 238  * @param button
 239  *            The button element
 240  * @param replyId
 241  *            The ID of the reply to delete
 242  * @param text
 243  *            The text to replace the button with
 244  */
 245 function enhanceDeleteReplyButton(button, replyId, text) {
 246         enhanceDeleteButton(button, text, function() {
 247                 $.getJSON("deleteReply.ajax", { "reply": replyId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
 248                         if (data == null) {
 249                                 return;
 250                         }
 251                         if (data.success) {
 252                                 $("#sone .reply#" + replyId).slideUp();
 253                         } else if (data.error == "invalid-reply-id") {
 254                                 /* pretend the reply is already gone. */
 255                                 getReply(replyId).slideUp();
 256                         } else if (data.error == "auth-required") {
 257                                 alert("You need to be logged in.");
 258                         } else if (data.error == "not-authorized") {
 259                                 alert("You are not allowed to delete this reply.");
 260                         }
 261                 }, function(xmlHttpRequest, textStatus, error) {
 262                         /* ignore error. */
 263                 });
 264         });
 265 }
 266
 267 function getFormPassword() {
 268         return $("#sone #formPassword").text();
 269 }
 270
 271 /**
 272  * Returns the element of the Sone with the given ID.
 273  *
 274  * @param soneId
 275  *            The ID of the Sone
 276  * @returns All Sone elements with the given ID
 277  */
 278 function getSone(soneId) {
 279         return $("#sone .sone").filter(function(index) {
 280                 return $(".id", this).text() == soneId;
 281         });
 282 }
 283
 284 function getSoneElement(element) {
 285         return $(element).closest(".sone");
 286 }
 287
 288 /**
 289  * Generates a list of Sones by concatening the names of the given sones with a
 290  * new line character (“\n”).
 291  *
 292  * @param sones
 293  *            The sones to format
 294  * @returns {String} The created string
 295  */
 296 function generateSoneList(sones) {
 297         var soneList = "";
 298         $.each(sones, function() {
 299                 if (soneList != "") {
 300                         soneList += ", ";
 301                 }
 302                 soneList += this.name;
 303         });
 304         return soneList;
 305 }
 306
 307 /**
 308  * Returns the ID of the Sone that this element belongs to.
 309  *
 310  * @param element
 311  *            The element to locate the matching Sone ID for
 312  * @returns The ID of the Sone, or undefined
 313  */
 314 function getSoneId(element) {
 315         return getSoneElement(element).find(".id").text();
 316 }
 317
 318 /**
 319  * Returns the element of the post with the given ID.
 320  *
 321  * @param postId
 322  *            The ID of the post
 323  * @returns The element of the post
 324  */
 325 function getPost(postId) {
 326         return $("#sone .post#" + postId);
 327 }
 328
 329 function getPostElement(element) {
 330         return $(element).closest(".post");
 331 }
 332
 333 function getPostId(element) {
 334         return getPostElement(element).attr("id");
 335 }
 336
 337 function getPostTime(element) {
 338         return getPostElement(element).find(".post-time").text();
 339 }
 340
 341 /**
 342  * Returns the author of the post the given element belongs to.
 343  *
 344  * @param element
 345  *            The element whose post to get the author for
 346  * @returns The ID of the authoring Sone
 347  */
 348 function getPostAuthor(element) {
 349         return getPostElement(element).find(".post-author").text();
 350 }
 351
 352 /**
 353  * Returns the element of the reply with the given ID.
 354  *
 355  * @param replyId
 356  *            The ID of the reply
 357  * @returns The element of the reply
 358  */
 359 function getReply(replyId) {
 360         return $("#sone .reply#" + replyId);
 361 }
 362
 363 function getReplyElement(element) {
 364         return $(element).closest(".reply");
 365 }
 366
 367 function getReplyId(element) {
 368         return getReplyElement(element).attr("id");
 369 }
 370
 371 function getReplyTime(element) {
 372         return getReplyElement(element).find(".reply-time").text();
 373 }
 374
 375 /**
 376  * Returns the author of the reply the given element belongs to.
 377  *
 378  * @param element
 379  *            The element whose reply to get the author for
 380  * @returns The ID of the authoring Sone
 381  */
 382 function getReplyAuthor(element) {
 383         return getReplyElement(element).find(".reply-author").text();
 384 }
 385
 386 /**
 387  * Returns the notification with the given ID.
 388  *
 389  * @param notificationId
 390  *            The ID of the notification
 391  * @returns The notification element
 392  */
 393 function getNotification(notificationId) {
 394         return $("#sone #notification-area .notification#" + notificationId);
 395 }
 396
 397 /**
 398  * Returns the notification element closest to the given element.
 399  *
 400  * @param element
 401  *            The element to get the closest notification of
 402  * @return The closest notification element
 403  */
 404 function getNotificationElement(element) {
 405         return $(element).closest(".notification");
 406 }
 407
 408 /**
 409  * Returns the ID of the notification element.
 410  *
 411  * @param notificationElement
 412  *            The notification element
 413  * @returns The ID of the notification
 414  */
 415 function getNotificationId(notificationElement) {
 416         return $(notificationElement).attr("id");
 417 }
 418
 419 /**
 420  * Returns the time the notification was last updated.
 421  *
 422  * @param notificationElement
 423  *            The notification element
 424  * @returns The last update time of the notification
 425  */
 426 function getNotificationLastUpdatedTime(notificationElement) {
 427         return $(notificationElement).attr("lastUpdatedTime");
 428 }
 429
 430 function likePost(postId) {
 431         $.getJSON("like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 432                 if ((data == null) || !data.success) {
 433                         return;
 434                 }
 435                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
 436                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
 437                 updatePostLikes(postId);
 438         }, function(xmlHttpRequest, textStatus, error) {
 439                 /* ignore error. */
 440         });
 441 }
 442
 443 function unlikePost(postId) {
 444         $.getJSON("unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 445                 if ((data == null) || !data.success) {
 446                         return;
 447                 }
 448                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
 449                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
 450                 updatePostLikes(postId);
 451         }, function(xmlHttpRequest, textStatus, error) {
 452                 /* ignore error. */
 453         });
 454 }
 455
 456 function updatePostLikes(postId) {
 457         $.getJSON("getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
 458                 if ((data != null) && data.success) {
 459                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0)
 460                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
 461                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
 462                 }
 463         }, function(xmlHttpRequest, textStatus, error) {
 464                 /* ignore error. */
 465         });
 466 }
 467
 468 function likeReply(replyId) {
 469         $.getJSON("like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 470                 if ((data == null) || !data.success) {
 471                         return;
 472                 }
 473                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
 474                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
 475                 updateReplyLikes(replyId);
 476         }, function(xmlHttpRequest, textStatus, error) {
 477                 /* ignore error. */
 478         });
 479 }
 480
 481 function unlikeReply(replyId) {
 482         $.getJSON("unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 483                 if ((data == null) || !data.success) {
 484                         return;
 485                 }
 486                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
 487                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
 488                 updateReplyLikes(replyId);
 489         }, function(xmlHttpRequest, textStatus, error) {
 490                 /* ignore error. */
 491         });
 492 }
 493
 494 /**
 495  * Trusts the Sone with the given ID.
 496  *
 497  * @param soneId
 498  *            The ID of the Sone to trust
 499  */
 500 function trustSone(soneId) {
 501         $.getJSON("trustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 502                 if ((data != null) && data.success) {
 503                         updateTrustControls(soneId, data.trustValue);
 504                 }
 505         });
 506 }
 507
 508 /**
 509  * Distrusts the Sone with the given ID, i.e. assigns a negative trust value.
 510  *
 511  * @param soneId
 512  *            The ID of the Sone to distrust
 513  */
 514 function distrustSone(soneId) {
 515         $.getJSON("distrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 516                 if ((data != null) && data.success) {
 517                         updateTrustControls(soneId, data.trustValue);
 518                 }
 519         });
 520 }
 521
 522 /**
 523  * Untrusts the Sone with the given ID, i.e. removes any trust assignment.
 524  *
 525  * @param soneId
 526  *            The ID of the Sone to untrust
 527  */
 528 function untrustSone(soneId) {
 529         $.getJSON("untrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 530                 if ((data != null) && data.success) {
 531                         updateTrustControls(soneId, data.trustValue);
 532                 }
 533         });
 534 }
 535
 536 /**
 537  * Updates the trust controls for all posts and replies of the given Sone,
 538  * according to the given trust value.
 539  *
 540  * @param soneId
 541  *            The ID of the Sone to update all trust controls for
 542  * @param trustValue
 543  *            The trust value for the Sone
 544  */
 545 function updateTrustControls(soneId, trustValue) {
 546         $("#sone .post").each(function() {
 547                 if (getPostAuthor(this) == soneId) {
 548                         getPostElement(this).find(".post-trust").toggleClass("hidden", trustValue != null);
 549                         getPostElement(this).find(".post-distrust").toggleClass("hidden", trustValue != null);
 550                         getPostElement(this).find(".post-untrust").toggleClass("hidden", trustValue == null);
 551                 }
 552         });
 553         $("#sone .reply").each(function() {
 554                 if (getReplyAuthor(this) == soneId) {
 555                         getReplyElement(this).find(".reply-trust").toggleClass("hidden", trustValue != null);
 556                         getReplyElement(this).find(".reply-distrust").toggleClass("hidden", trustValue != null);
 557                         getReplyElement(this).find(".reply-untrust").toggleClass("hidden", trustValue == null);
 558                 }
 559         });
 560 }
 561
 562 /**
 563  * Bookmarks the post with the given ID.
 564  *
 565  * @param postId
 566  *            The ID of the post to bookmark
 567  */
 568 function bookmarkPost(postId) {
 569         (function(postId) {
 570                 $.getJSON("bookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 571                         if ((data != null) && data.success) {
 572                                 getPost(postId).find(".bookmark").toggleClass("hidden", true);
 573                                 getPost(postId).find(".unbookmark").toggleClass("hidden", false);
 574                         }
 575                 });
 576         })(postId);
 577 }
 578
 579 /**
 580  * Unbookmarks the post with the given ID.
 581  *
 582  * @param postId
 583  *            The ID of the post to unbookmark
 584  */
 585 function unbookmarkPost(postId) {
 586         $.getJSON("unbookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 587                 if ((data != null) && data.success) {
 588                         getPost(postId).find(".bookmark").toggleClass("hidden", false);
 589                         getPost(postId).find(".unbookmark").toggleClass("hidden", true);
 590                 }
 591         });
 592 }
 593
 594 function updateReplyLikes(replyId) {
 595         $.getJSON("getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
 596                 if ((data != null) && data.success) {
 597                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0)
 598                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
 599                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
 600                 }
 601         }, function(xmlHttpRequest, textStatus, error) {
 602                 /* ignore error. */
 603         });
 604 }
 605
 606 /**
 607  * Posts a reply and calls the given callback when the request finishes.
 608  *
 609  * @param sender
 610  *            The ID of the sender
 611  * @param postId
 612  *            The ID of the post the reply refers to
 613  * @param text
 614  *            The text to post
 615  * @param callbackFunction
 616  *            The callback function to call when the request finishes (takes 3
 617  *            parameters: success, error, replyId)
 618  */
 619 function postReply(sender, postId, text, callbackFunction) {
 620         $.getJSON("createReply.ajax", { "formPassword" : getFormPassword(), "sender": sender, "post" : postId, "text": text }, function(data, textStatus) {
 621                 if (data == null) {
 622                         /* TODO - show error */
 623                         return;
 624                 }
 625                 if (data.success) {
 626                         callbackFunction(true, null, data.reply, data.sone);
 627                 } else {
 628                         callbackFunction(false, data.error);
 629                 }
 630         }, function(xmlHttpRequest, textStatus, error) {
 631                 /* ignore error. */
 632         });
 633 }
 634
 635 /**
 636  * Ajaxifies the given Sone by enhancing all eligible elements with AJAX.
 637  *
 638  * @param soneElement
 639  *            The Sone to ajaxify
 640  */
 641 function ajaxifySone(soneElement) {
 642         /*
 643          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
 644          * nicer.
 645          */
 646         $(".follow", soneElement).submit(function() {
 647                 var followElement = this;
 648                 $.getJSON("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 649                         $(followElement).addClass("hidden");
 650                         $(followElement).parent().find(".unfollow").removeClass("hidden");
 651                 });
 652                 return false;
 653         });
 654         $(".unfollow", soneElement).submit(function() {
 655                 var unfollowElement = this;
 656                 $.getJSON("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 657                         $(unfollowElement).addClass("hidden");
 658                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
 659                 });
 660                 return false;
 661         });
 662         $(".lock", soneElement).submit(function() {
 663                 var lockElement = this;
 664                 $.getJSON("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 665                         $(lockElement).addClass("hidden");
 666                         $(lockElement).parent().find(".unlock").removeClass("hidden");
 667                 });
 668                 return false;
 669         });
 670         $(".unlock", soneElement).submit(function() {
 671                 var unlockElement = this;
 672                 $.getJSON("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 673                         $(unlockElement).addClass("hidden");
 674                         $(unlockElement).parent().find(".lock").removeClass("hidden");
 675                 });
 676                 return false;
 677         });
 678
 679         /* mark Sone as known when clicking it. */
 680         $(soneElement).click(function() {
 681                 markSoneAsKnown(this);
 682         });
 683 }
 684
 685 /**
 686  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
 687  *
 688  * @param postElement
 689  *            The post element to ajaxify
 690  */
 691 function ajaxifyPost(postElement) {
 692         $(postElement).find("form").submit(function() {
 693                 return false;
 694         });
 695         $(postElement).find(".create-reply button:submit").click(function() {
 696                 button = $(this);
 697                 button.attr("disabled", "disabled");
 698                 sender = $(this.form).find(":input[name=sender]").val();
 699                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
 700                 postId = getPostId(this);
 701                 text = $(inputField).val();
 702                 (function(sender, postId, text, inputField) {
 703                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
 704                                 if (success) {
 705                                         $(inputField).val("");
 706                                         loadNewReply(replyId, soneId, postId);
 707                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 708                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
 709                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
 710                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
 711                                 } else {
 712                                         alert(error);
 713                                 }
 714                                 button.removeAttr("disabled");
 715                         });
 716                 })(sender, postId, text, inputField);
 717                 return false;
 718         });
 719
 720         /* replace all “delete” buttons with javascript. */
 721         (function(postElement) {
 722                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 723                         postId = getPostId(postElement);
 724                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 725                 });
 726         })(postElement);
 727
 728         /* convert all “like” buttons to javascript functions. */
 729         $(postElement).find(".like-post").submit(function() {
 730                 likePost(getPostId(this));
 731                 return false;
 732         });
 733         $(postElement).find(".unlike-post").submit(function() {
 734                 unlikePost(getPostId(this));
 735                 return false;
 736         });
 737
 738         /* convert trust control buttons to javascript functions. */
 739         $(postElement).find(".post-trust").submit(function() {
 740                 trustSone(getPostAuthor(this));
 741                 return false;
 742         });
 743         $(postElement).find(".post-distrust").submit(function() {
 744                 distrustSone(getPostAuthor(this));
 745                 return false;
 746         });
 747         $(postElement).find(".post-untrust").submit(function() {
 748                 untrustSone(getPostAuthor(this));
 749                 return false;
 750         });
 751
 752         /* convert bookmark/unbookmark buttons to javascript functions. */
 753         $(postElement).find(".bookmark").submit(function() {
 754                 bookmarkPost(getPostId(this));
 755                 return false;
 756         });
 757         $(postElement).find(".unbookmark").submit(function() {
 758                 unbookmarkPost(getPostId(this));
 759                 return false;
 760         });
 761
 762         /* convert “show source” link into javascript function. */
 763         $(postElement).find(".show-source").each(function() {
 764                 $("a", this).click(function() {
 765                         $(".post-text.text", getPostElement(this)).toggleClass("hidden");
 766                         $(".post-text.raw-text", getPostElement(this)).toggleClass("hidden");
 767                         return false;
 768                 });
 769         });
 770
 771         /* add “comment” link. */
 772         addCommentLink(getPostId(postElement), getPostAuthor(postElement), postElement, $(postElement).find(".post-status-line .permalink-author"));
 773
 774         /* process all replies. */
 775         replyIds = [];
 776         $(postElement).find(".reply").each(function() {
 777                 replyIds.push(getReplyId(this));
 778                 ajaxifyReply(this);
 779         });
 780         updateReplyTimes(replyIds.join(","));
 781
 782         /* process reply input fields. */
 783         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 784                 $(postElement).find("input.reply-input").each(function() {
 785                         registerInputTextareaSwap(this, text, "text", false, false);
 786                 });
 787         });
 788
 789         /* process sender selection. */
 790         $(".select-sender", postElement).css("display", "inline");
 791         $(".sender", postElement).hide();
 792         $(".select-sender button", postElement).click(function() {
 793                 $(".sender", postElement).show();
 794                 $(".select-sender", postElement).hide();
 795                 return false;
 796         });
 797
 798         /* mark everything as known on click. */
 799         $(postElement).click(function(event) {
 800                 if ($(event.target).hasClass("click-to-show")) {
 801                         return false;
 802                 }
 803                 markPostAsKnown(this);
 804         });
 805
 806         /* hide reply input field. */
 807         $(postElement).find(".create-reply").addClass("hidden");
 808 }
 809
 810 /**
 811  * Ajaxifies the given reply element.
 812  *
 813  * @param replyElement
 814  *            The reply element to ajaxify
 815  */
 816 function ajaxifyReply(replyElement) {
 817         $(replyElement).find(".like-reply").submit(function() {
 818                 likeReply(getReplyId(this));
 819                 return false;
 820         });
 821         $(replyElement).find(".unlike-reply").submit(function() {
 822                 unlikeReply(getReplyId(this));
 823                 return false;
 824         });
 825         (function(replyElement) {
 826                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 827                         $(replyElement).find(".delete-reply button").each(function() {
 828                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 829                         });
 830                 });
 831         })(replyElement);
 832         addCommentLink(getPostId(replyElement), getReplyAuthor(replyElement), replyElement, $(replyElement).find(".reply-status-line .permalink-author"));
 833
 834         /* convert “show source” link into javascript function. */
 835         $(replyElement).find(".show-reply-source").each(function() {
 836                 $("a", this).click(function() {
 837                         $(".reply-text.text", getReplyElement(this)).toggleClass("hidden");
 838                         $(".reply-text.raw-text", getReplyElement(this)).toggleClass("hidden");
 839                         return false;
 840                 });
 841         });
 842
 843         /* convert trust control buttons to javascript functions. */
 844         $(replyElement).find(".reply-trust").submit(function() {
 845                 trustSone(getReplyAuthor(this));
 846                 return false;
 847         });
 848         $(replyElement).find(".reply-distrust").submit(function() {
 849                 distrustSone(getReplyAuthor(this));
 850                 return false;
 851         });
 852         $(replyElement).find(".reply-untrust").submit(function() {
 853                 untrustSone(getReplyAuthor(this));
 854                 return false;
 855         });
 856 }
 857
 858 /**
 859  * Ajaxifies the given notification by replacing the form with AJAX.
 860  *
 861  * @param notification
 862  *            jQuery object representing the notification.
 863  */
 864 function ajaxifyNotification(notification) {
 865         notification.find("form").submit(function() {
 866                 return false;
 867         });
 868         notification.find("input[name=returnPage]").val($.url.attr("relative"));
 869         if (notification.find(".short-text").length > 0) {
 870                 notification.find(".short-text").removeClass("hidden");
 871                 notification.find(".text").addClass("hidden");
 872         }
 873         notification.find("form.mark-as-read button").click(function() {
 874                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": $(":input[name=id]", this.form).val()});
 875         });
 876         notification.find("a[class^='link-']").each(function() {
 877                 linkElement = $(this);
 878                 if (linkElement.is("[href^='viewPost']")) {
 879                         id = linkElement.attr("class").substr(5);
 880                         if (hasPost(id)) {
 881                                 linkElement.attr("href", "#post-" + id);
 882                         }
 883                 }
 884         });
 885         notification.find("form.dismiss button").click(function() {
 886                 $.getJSON("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 887                         /* dismiss in case of error, too. */
 888                         notification.slideUp();
 889                 }, function(xmlHttpRequest, textStatus, error) {
 890                         /* ignore error. */
 891                 });
 892         });
 893         return notification;
 894 }
 895
 896 /**
 897  * Retrieves element IDs from notification elements.
 898  *
 899  * @param notification
 900  *            The notification element
 901  * @param selector
 902  *            The selector of the element containing the ID as text
 903  * @returns All extracted IDs
 904  */
 905 function getElementIds(notification, selector) {
 906         elementIds = [];
 907         $(selector, notification).each(function() {
 908                 elementIds.push($(this).text());
 909         });
 910         return elementIds;
 911 }
 912
 913 /**
 914  * Compares the given notification elements and calls {@link #markSoneAsKnown()}
 915  * for every ID that is contained in the old notification but not in the new.
 916  *
 917  * @param oldNotification
 918  *            The old notification element
 919  * @param newNotification
 920  *            The new notification element
 921  */
 922 function checkForRemovedSones(oldNotification, newNotification) {
 923         if (getNotificationId(oldNotification) != "new-sone-notification") {
 924                 return;
 925         }
 926         oldIds = getElementIds(oldNotification, ".sone-id");
 927         newIds = getElementIds(newNotification, ".sone-id");
 928         $.each(oldIds, function(index, value) {
 929                 if ($.inArray(value, newIds) == -1) {
 930                         markSoneAsKnown(getSone(value), true);
 931                 }
 932         });
 933 }
 934
 935 /**
 936  * Compares the given notification elements and calls {@link #markPostAsKnown()}
 937  * for every ID that is contained in the old notification but not in the new.
 938  *
 939  * @param oldNotification
 940  *            The old notification element
 941  * @param newNotification
 942  *            The new notification element
 943  */
 944 function checkForRemovedPosts(oldNotification, newNotification) {
 945         if (getNotificationId(oldNotification) != "new-post-notification") {
 946                 return;
 947         }
 948         oldIds = getElementIds(oldNotification, ".post-id");
 949         newIds = getElementIds(newNotification, ".post-id");
 950         $.each(oldIds, function(index, value) {
 951                 if ($.inArray(value, newIds) == -1) {
 952                         markPostAsKnown(getPost(value), true);
 953                 }
 954         });
 955 }
 956
 957 /**
 958  * Compares the given notification elements and calls
 959  * {@link #markReplyAsKnown()} for every ID that is contained in the old
 960  * notification but not in the new.
 961  *
 962  * @param oldNotification
 963  *            The old notification element
 964  * @param newNotification
 965  *            The new notification element
 966  */
 967 function checkForRemovedReplies(oldNotification, newNotification) {
 968         if (getNotificationId(oldNotification) != "new-replies-notification") {
 969                 return;
 970         }
 971         oldIds = getElementIds(oldNotification, ".reply-id");
 972         newIds = getElementIds(newNotification, ".reply-id");
 973         $.each(oldIds, function(index, value) {
 974                 if ($.inArray(value, newIds) == -1) {
 975                         markReplyAsKnown(getReply(value), true);
 976                 }
 977         });
 978 }
 979
 980 function getStatus() {
 981         $.getJSON("getStatus.ajax", {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
 982                 if ((data != null) && data.success) {
 983                         /* process Sone information. */
 984                         $.each(data.sones, function(index, value) {
 985                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated, value.lastUpdatedText);
 986                         });
 987                         /* search for removed notifications. */
 988                         $("#sone #notification-area .notification").each(function() {
 989                                 notificationId = $(this).attr("id");
 990                                 foundNotification = false;
 991                                 $.each(data.notifications, function(index, value) {
 992                                         if (value.id == notificationId) {
 993                                                 foundNotification = true;
 994                                                 return false;
 995                                         }
 996                                 });
 997                                 if (!foundNotification) {
 998                                         if (notificationId == "new-sone-notification") {
 999                                                 $(".sone-id", this).each(function(index, element) {
1000                                                         soneId = $(this).text();
1001                                                         markSoneAsKnown(getSone(soneId), true);
1002                                                 });
1003                                         } else if (notificationId == "new-post-notification") {
1004                                                 $(".post-id", this).each(function(index, element) {
1005                                                         postId = $(this).text();
1006                                                         markPostAsKnown(getPost(postId), true);
1007                                                 });
1008                                         } else if (notificationId == "new-replies-notification") {
1009                                                 $(".reply-id", this).each(function(index, element) {
1010                                                         replyId = $(this).text();
1011                                                         markReplyAsKnown(getReply(replyId), true);
1012                                                 });
1013                                         }
1014                                         $(this).slideUp("normal", function() {
1015                                                 $(this).remove();
1016                                                 /* remove activity when no notifications are visible. */
1017                                                 if ($("#sone #notification-area .notification").length == 0) {
1018                                                         resetActivity();
1019                                                 }
1020                                         });
1021                                 }
1022                         });
1023                         /* process notifications. */
1024                         notificationIds = [];
1025                         $.each(data.notifications, function(index, value) {
1026                                 oldNotification = getNotification(value.id);
1027                                 if ((oldNotification.length == 0) || (value.lastUpdatedTime > getNotificationLastUpdatedTime(oldNotification))) {
1028                                         notificationIds.push(value.id);
1029                                 }
1030                         });
1031                         if (notificationIds.length > 0) {
1032                                 loadNotifications(notificationIds);
1033                         }
1034                         /* process new posts. */
1035                         $.each(data.newPosts, function(index, value) {
1036                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
1037                         });
1038                         /* process new replies. */
1039                         $.each(data.newReplies, function(index, value) {
1040                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
1041                         });
1042                         /* do it again in 5 seconds. */
1043                         setTimeout(getStatus, 5000);
1044                 } else {
1045                         /* data.success was false, wait 30 seconds. */
1046                         setTimeout(getStatus, 30000);
1047                 }
1048         }, function(xmlHttpRequest, textStatus, error) {
1049                 /* something really bad happend, wait a minute. */
1050                 setTimeout(getStatus, 60000);
1051         })
1052 }
1053
1054 /**
1055  * Requests multiple notifications from Sone and displays them.
1056  *
1057  * @param notificationIds
1058  *            Array of IDs of the notifications to load
1059  */
1060 function loadNotifications(notificationIds) {
1061         $.getJSON("getNotification.ajax", {"notifications": notificationIds.join(",")}, function(data, textStatus) {
1062                 if (!data || !data.success) {
1063                         // TODO - show error
1064                         return;
1065                 }
1066                 $.each(data.notifications, function(index, value) {
1067                         oldNotification = getNotification(value.id);
1068                         notification = ajaxifyNotification(createNotification(value.id, value.lastUpdatedTime, value.text, value.dismissable)).hide();
1069                         if (oldNotification.length != 0) {
1070                                 if ((oldNotification.find(".short-text").length > 0) && (notification.find(".short-text").length > 0)) {
1071                                         opened = oldNotification.is(":visible") && oldNotification.find(".short-text").hasClass("hidden");
1072                                         notification.find(".short-text").toggleClass("hidden", opened);
1073                                         notification.find(".text").toggleClass("hidden", !opened);
1074                                 }
1075                                 checkForRemovedSones(oldNotification, notification);
1076                                 checkForRemovedPosts(oldNotification, notification);
1077                                 checkForRemovedReplies(oldNotification, notification);
1078                                 oldNotification.replaceWith(notification.show());
1079                         } else {
1080                                 $("#sone #notification-area").append(notification);
1081                                 notification.slideDown();
1082                                 setActivity();
1083                         }
1084                 })
1085         });
1086 }
1087
1088 /**
1089  * Returns the ID of the currently logged in Sone.
1090  *
1091  * @return The ID of the current Sone, or an empty string if no Sone is logged
1092  *         in
1093  */
1094 function getCurrentSoneId() {
1095         return $("#currentSoneId").text();
1096 }
1097
1098 /**
1099  * Returns the content of the page-id attribute.
1100  *
1101  * @returns The page ID
1102  */
1103 function getPageId() {
1104         return $("#sone .page-id").text();
1105 }
1106
1107 /**
1108  * Returns whether the current page is the index page.
1109  *
1110  * @returns {Boolean} <code>true</code> if the current page is the index page,
1111  *          <code>false</code> otherwise
1112  */
1113 function isIndexPage() {
1114         return getPageId() == "index";
1115 }
1116
1117 /**
1118  * Returns whether the current page is a “view Sone” page.
1119  *
1120  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
1121  *          page, <code>false</code> otherwise
1122  */
1123 function isViewSonePage() {
1124         return getPageId() == "view-sone";
1125 }
1126
1127 /**
1128  * Returns the ID of the currently shown Sone. This will only return a sensible
1129  * value if isViewSonePage() returns <code>true</code>.
1130  *
1131  * @returns The ID of the currently shown Sone
1132  */
1133 function getShownSoneId() {
1134         return $("#sone .sone-id").text();
1135 }
1136
1137 /**
1138  * Returns whether the current page is a “view post” page.
1139  *
1140  * @returns {Boolean} <code>true</code> if the current page is a “view post”
1141  *          page, <code>false</code> otherwise
1142  */
1143 function isViewPostPage() {
1144         return getPageId() == "view-post";
1145 }
1146
1147 /**
1148  * Returns the ID of the currently shown post. This will only return a sensible
1149  * value if isViewPostPage() returns <code>true</code>.
1150  *
1151  * @returns The ID of the currently shown post
1152  */
1153 function getShownPostId() {
1154         return $("#sone .post-id").text();
1155 }
1156
1157 /**
1158  * Returns whether the current page is the “known Sones” page.
1159  *
1160  * @returns {Boolean} <code>true</code> if the current page is the “known
1161  *          Sones” page, <code>false</code> otherwise
1162  */
1163 function isKnownSonesPage() {
1164         return getPageId() == "known-sones";
1165 }
1166
1167 /**
1168  * Returns whether a post with the given ID exists on the current page.
1169  *
1170  * @param postId
1171  *            The post ID to check for
1172  * @returns {Boolean} <code>true</code> if a post with the given ID already
1173  *          exists on the page, <code>false</code> otherwise
1174  */
1175 function hasPost(postId) {
1176         return $(".post#" + postId).length > 0;
1177 }
1178
1179 /**
1180  * Returns whether a reply with the given ID exists on the current page.
1181  *
1182  * @param replyId
1183  *            The reply ID to check for
1184  * @returns {Boolean} <code>true</code> if a reply with the given ID already
1185  *          exists on the page, <code>false</code> otherwise
1186  */
1187 function hasReply(replyId) {
1188         return $("#sone .reply#" + replyId).length > 0;
1189 }
1190
1191 function loadNewPost(postId, soneId, recipientId, time) {
1192         if (hasPost(postId)) {
1193                 return;
1194         }
1195         if (!isIndexPage()) {
1196                 if (!isViewPostPage() || (getShownPostId() != postId)) {
1197                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId))) {
1198                                 return;
1199                         }
1200                 }
1201         }
1202         if (getPostTime($("#sone .post").last()) > time) {
1203                 return;
1204         }
1205         $.getJSON("getPost.ajax", { "post" : postId }, function(data, textStatus) {
1206                 if ((data != null) && data.success) {
1207                         if (hasPost(data.post.id)) {
1208                                 return;
1209                         }
1210                         if (!isIndexPage() && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient)))) {
1211                                 return;
1212                         }
1213                         var firstOlderPost = null;
1214                         $("#sone .post").each(function() {
1215                                 if (getPostTime(this) < data.post.time) {
1216                                         firstOlderPost = $(this);
1217                                         return false;
1218                                 }
1219                         });
1220                         newPost = $(data.post.html).addClass("hidden");
1221                         if (firstOlderPost != null) {
1222                                 newPost.insertBefore(firstOlderPost);
1223                         }
1224                         ajaxifyPost(newPost);
1225                         updatePostTimes(data.post.id);
1226                         newPost.slideDown();
1227                         setActivity();
1228                 }
1229         });
1230 }
1231
1232 function loadNewReply(replyId, soneId, postId, postSoneId) {
1233         if (hasReply(replyId)) {
1234                 return;
1235         }
1236         if (!hasPost(postId)) {
1237                 return;
1238         }
1239         $.getJSON("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
1240                 /* find post. */
1241                 if ((data != null) && data.success) {
1242                         if (hasReply(data.reply.id)) {
1243                                 return;
1244                         }
1245                         $("#sone .post#" + data.reply.postId).each(function() {
1246                                 var firstNewerReply = null;
1247                                 $(this).find(".replies .reply").each(function() {
1248                                         if (getReplyTime(this) > data.reply.time) {
1249                                                 firstNewerReply = $(this);
1250                                                 return false;
1251                                         }
1252                                 });
1253                                 newReply = $(data.reply.html).addClass("hidden");
1254                                 if (firstNewerReply != null) {
1255                                         newReply.insertBefore(firstNewerReply);
1256                                 } else {
1257                                         if ($(this).find(".replies .create-reply")) {
1258                                                 $(this).find(".replies .create-reply").before(newReply);
1259                                         } else {
1260                                                 $(this).find(".replies").append(newReply);
1261                                         }
1262                                 }
1263                                 ajaxifyReply(newReply);
1264                                 updateReplyTimes(data.reply.id);
1265                                 newReply.slideDown();
1266                                 setActivity();
1267                                 return false;
1268                         });
1269                 }
1270         });
1271 }
1272
1273 /**
1274  * Marks the given Sone as known if it is still new.
1275  *
1276  * @param soneElement
1277  *            The Sone to mark as known
1278  * @param skipRequest
1279  *            true to skip the JSON request, false or omit to perform the JSON
1280  *            request
1281  */
1282 function markSoneAsKnown(soneElement, skipRequest) {
1283         if ($(soneElement).is(".new")) {
1284                 $(soneElement).removeClass("new");
1285                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1286                         $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)});
1287                 }
1288         }
1289 }
1290
1291 function markPostAsKnown(postElements, skipRequest) {
1292         $(postElements).each(function() {
1293                 postElement = this;
1294                 if ($(postElement).hasClass("new")) {
1295                         (function(postElement) {
1296                                 $(postElement).removeClass("new");
1297                                 $(".click-to-show", postElement).removeClass("new");
1298                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1299                                         $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)});
1300                                 }
1301                         })(postElement);
1302                 }
1303         });
1304         markReplyAsKnown($(postElements).find(".reply"));
1305 }
1306
1307 function markReplyAsKnown(replyElements, skipRequest) {
1308         $(replyElements).each(function() {
1309                 replyElement = this;
1310                 if ($(replyElement).hasClass("new")) {
1311                         (function(replyElement) {
1312                                 $(replyElement).removeClass("new");
1313                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1314                                         $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)});
1315                                 }
1316                         })(replyElement);
1317                 }
1318         });
1319 }
1320
1321 /**
1322  * Updates the time of the post with the given ID.
1323  *
1324  * @param postId
1325  *            The ID of the post to update
1326  * @param timeText
1327  *            The text of the time to show
1328  * @param refreshTime
1329  *            The refresh time after which to request a new time (in seconds)
1330  * @param tooltip
1331  *            The tooltip to show
1332  */
1333 function updatePostTime(postId, timeText, refreshTime, tooltip) {
1334         if (!getPost(postId).is(":visible")) {
1335                 return;
1336         }
1337         getPost(postId).find(".post-status-line > .time a").html(timeText).attr("title", tooltip);
1338         (function(postId, refreshTime) {
1339                 setTimeout(function() {
1340                         updatePostTimes(postId);
1341                 }, refreshTime * 1000);
1342         })(postId, refreshTime);
1343 }
1344
1345 /**
1346  * Requests new rendered times for the posts with the given IDs.
1347  *
1348  * @param postIds
1349  *            Comma-separated post IDs
1350  */
1351 function updatePostTimes(postIds) {
1352         $.getJSON("getTimes.ajax", { "posts" : postIds }, function(data, textStatus) {
1353                 if ((data != null) && data.success) {
1354                         $.each(data.postTimes, function(index, value) {
1355                                 updatePostTime(index, value.timeText, value.refreshTime, value.tooltip);
1356                         });
1357                 }
1358         });
1359 }
1360
1361 /**
1362  * Updates the time of the reply with the given ID.
1363  *
1364  * @param postId
1365  *            The ID of the reply to update
1366  * @param timeText
1367  *            The text of the time to show
1368  * @param refreshTime
1369  *            The refresh time after which to request a new time (in seconds)
1370  * @param tooltip
1371  *            The tooltip to show
1372  */
1373 function updateReplyTime(replyId, timeText, refreshTime, tooltip) {
1374         getReply(replyId).find(".reply-status-line > .time").html(timeText).attr("title", tooltip);
1375         (function(replyId, refreshTime) {
1376                 setTimeout(function() {
1377                         updateReplyTimes(replyId);
1378                 }, refreshTime * 1000);
1379         })(replyId, refreshTime);
1380 }
1381
1382 /**
1383  * Requests new rendered times for the posts with the given IDs.
1384  *
1385  * @param postIds
1386  *            Comma-separated post IDs
1387  */
1388 function updateReplyTimes(replyIds) {
1389         $.getJSON("getTimes.ajax", { "replies" : replyIds }, function(data, textStatus) {
1390                 if ((data != null) && data.success) {
1391                         $.each(data.replyTimes, function(index, value) {
1392                                 updateReplyTime(index, value.timeText, value.refreshTime, value.tooltip);
1393                         });
1394                 }
1395         });
1396 }
1397
1398 function resetActivity() {
1399         title = document.title;
1400         if (title.indexOf('(') == 0) {
1401                 setTitle(title.substr(title.indexOf(' ') + 1));
1402         }
1403         iconBlinking = false;
1404 }
1405
1406 function setActivity() {
1407         if (!focus) {
1408                 title = document.title;
1409                 if (title.indexOf('(') != 0) {
1410                         setTitle("(!) " + title);
1411                 }
1412                 if (!iconBlinking) {
1413                         setTimeout(toggleIcon, 1500);
1414                         iconBlinking = true;
1415                 }
1416         }
1417 }
1418
1419 /**
1420  * Sets the window title after a small delay to prevent race-condition issues.
1421  *
1422  * @param title
1423  *            The title to set
1424  */
1425 function setTitle(title) {
1426         setTimeout(function() {
1427                 document.title = title;
1428         }, 50);
1429 }
1430
1431 /** Whether the icon is currently showing activity. */
1432 var iconActive = false;
1433
1434 /** Whether the icon is currently supposed to blink. */
1435 var iconBlinking = false;
1436
1437 /**
1438  * Toggles the icon. If the window has gained focus and the icon is still
1439  * showing the activity state, it is returned to normal.
1440  */
1441 function toggleIcon() {
1442         if (focus || !iconBlinking) {
1443                 if (iconActive) {
1444                         changeIcon("images/icon.png");
1445                         iconActive = false;
1446                 }
1447                 iconBlinking = false;
1448         } else {
1449                 iconActive = !iconActive;
1450                 changeIcon(iconActive ? "images/icon-activity.png" : "images/icon.png");
1451                 setTimeout(toggleIcon, 1500);
1452         }
1453 }
1454
1455 /**
1456  * Changes the icon of the page.
1457  *
1458  * @param iconUrl
1459  *            The new URL of the icon
1460  */
1461 function changeIcon(iconUrl) {
1462         $("link[rel=icon]").remove();
1463         $("head").append($("<link>").attr("rel", "icon").attr("type", "image/png").attr("href", iconUrl));
1464         $("iframe[id=icon-update]")[0].src += "";
1465 }
1466
1467 /**
1468  * Creates a new notification.
1469  *
1470  * @param id
1471  *            The ID of the notificaiton
1472  * @param text
1473  *            The text of the notification
1474  * @param dismissable
1475  *            <code>true</code> if the notification can be dismissed by the
1476  *            user
1477  */
1478 function createNotification(id, lastUpdatedTime, text, dismissable) {
1479         notification = $("<div></div>").addClass("notification").attr("id", id).attr("lastUpdatedTime", lastUpdatedTime);
1480         if (dismissable) {
1481                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id")
1482                 dismissForm.find("input[name=notification]").val(id);
1483                 notification.append(dismissForm);
1484         }
1485         notification.append(text);
1486         return notification;
1487 }
1488
1489 /**
1490  * Shows the details of the notification with the given ID.
1491  *
1492  * @param notificationId
1493  *            The ID of the notification
1494  */
1495 function showNotificationDetails(notificationId) {
1496         $("#sone .notification#" + notificationId + " .text").removeClass("hidden");
1497         $("#sone .notification#" + notificationId + " .short-text").addClass("hidden");
1498 }
1499
1500 /**
1501  * Deletes the field with the given ID from the profile.
1502  *
1503  * @param fieldId
1504  *            The ID of the field to delete
1505  */
1506 function deleteProfileField(fieldId) {
1507         $.getJSON("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1508                 if (data && data.success) {
1509                         $("#sone .profile-field#" + data.field.id).slideUp();
1510                 }
1511         });
1512 }
1513
1514 /**
1515  * Renames a profile field.
1516  *
1517  * @param fieldId
1518  *            The ID of the field to rename
1519  * @param newName
1520  *            The new name of the field
1521  * @param successFunction
1522  *            Called when the renaming was successful
1523  */
1524 function editProfileField(fieldId, newName, successFunction) {
1525         $.getJSON("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1526                 if (data && data.success) {
1527                         successFunction();
1528                 }
1529         });
1530 }
1531
1532 /**
1533  * Moves the profile field with the given ID one slot in the given direction.
1534  *
1535  * @param fieldId
1536  *            The ID of the field to move
1537  * @param direction
1538  *            The direction to move in (“up” or “down”)
1539  * @param successFunction
1540  *            Function to call on success
1541  */
1542 function moveProfileField(fieldId, direction, successFunction) {
1543         $.getJSON("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1544                 if (data && data.success) {
1545                         successFunction();
1546                 }
1547         });
1548 }
1549
1550 /**
1551  * Moves the profile field with the given ID up one slot.
1552  *
1553  * @param fieldId
1554  *            The ID of the field to move
1555  * @param successFunction
1556  *            Function to call on success
1557  */
1558 function moveProfileFieldUp(fieldId, successFunction) {
1559         moveProfileField(fieldId, "up", successFunction);
1560 }
1561
1562 /**
1563  * Moves the profile field with the given ID down one slot.
1564  *
1565  * @param fieldId
1566  *            The ID of the field to move
1567  * @param successFunction
1568  *            Function to call on success
1569  */
1570 function moveProfileFieldDown(fieldId, successFunction) {
1571         moveProfileField(fieldId, "down", successFunction);
1572 }
1573
1574 //
1575 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1576 //
1577
1578 var focus = true;
1579
1580 $(document).ready(function() {
1581
1582         /* this initializes the status update input field. */
1583         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1584                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1585                 $("#sone #update-status .select-sender").css("display", "inline");
1586                 $("#sone #update-status .sender").hide();
1587                 $("#sone #update-status .select-sender button").click(function() {
1588                         $("#sone #update-status .sender").show();
1589                         $("#sone #update-status .select-sender").hide();
1590                         return false;
1591                 });
1592                 $("#sone #update-status").submit(function() {
1593                         button = $("button:submit", this);
1594                         button.attr("disabled", "disabled");
1595                         if ($(this).find(":input.default:enabled").length > 0) {
1596                                 return false;
1597                         }
1598                         sender = $(this).find(":input[name=sender]").val();
1599                         text = $(this).find(":input[name=text]:enabled").val();
1600                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1601                                 button.removeAttr("disabled");
1602                         });
1603                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1604                         $(this).find(":input[name=text]:enabled").val("").blur();
1605                         $(this).find(".sender").hide();
1606                         $(this).find(".select-sender").show();
1607                         return false;
1608                 });
1609         });
1610
1611         /* ajaxify the search input field. */
1612         getTranslation("WebInterface.DefaultText.Search", function(defaultText) {
1613                 registerInputTextareaSwap("#sone #search input[name=query]", defaultText, "query", false, true);
1614         });
1615
1616         /* ajaxify input field on “view Sone” page. */
1617         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1618                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1619                 $("#sone #post-message .select-sender").css("display", "inline");
1620                 $("#sone #post-message .sender").hide();
1621                 $("#sone #post-message .select-sender button").click(function() {
1622                         $("#sone #post-message .sender").show();
1623                         $("#sone #post-message .select-sender").hide();
1624                         return false;
1625                 });
1626                 $("#sone #post-message").submit(function() {
1627                         sender = $(this).find(":input[name=sender]").val();
1628                         text = $(this).find(":input[name=text]:enabled").val();
1629                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "sender": sender, "text": text });
1630                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1631                         $(this).find(":input[name=text]:enabled").val("").blur();
1632                         $(this).find(".sender").hide();
1633                         $(this).find(".select-sender").show();
1634                         return false;
1635                 });
1636         });
1637
1638         /* Ajaxifies all posts. */
1639         /* calling getTranslation here will cache the necessary values. */
1640         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1641                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1642                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1643                                 $("#sone .post").each(function() {
1644                                         ajaxifyPost(this);
1645                                 });
1646                         });
1647                 });
1648         });
1649
1650         /* update post times. */
1651         postIds = [];
1652         $("#sone .post").each(function() {
1653                 postIds.push(getPostId(this));
1654         });
1655         updatePostTimes(postIds.join(","));
1656
1657         /* hides all replies but the latest two. */
1658         if (!isViewPostPage()) {
1659                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1660                         $("#sone .post .replies").each(function() {
1661                                 allReplies = $(this).find(".reply");
1662                                 if (allReplies.length > 2) {
1663                                         newHidden = false;
1664                                         for (replyIndex = 0; replyIndex < (allReplies.length - 2); ++replyIndex) {
1665                                                 $(allReplies[replyIndex]).addClass("hidden");
1666                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1667                                         }
1668                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1669                                         if (newHidden) {
1670                                                 clickToShowElement.addClass("new");
1671                                         }
1672                                         (function(clickToShowElement, allReplies, text) {
1673                                                 clickToShowElement.text(text);
1674                                                 clickToShowElement.click(function() {
1675                                                         allReplies.removeClass("hidden");
1676                                                         clickToShowElement.addClass("hidden");
1677                                                 });
1678                                         })(clickToShowElement, allReplies, text);
1679                                         $(allReplies[0]).before(clickToShowElement);
1680                                 }
1681                         });
1682                 });
1683         }
1684
1685         $("#sone .sone").each(function() {
1686                 ajaxifySone($(this));
1687         });
1688
1689         /* process all existing notifications, ajaxify dismiss buttons. */
1690         $("#sone #notification-area .notification").each(function() {
1691                 ajaxifyNotification($(this));
1692         });
1693
1694         /* disable all permalinks. */
1695         $(".permalink").click(function() {
1696                 return false;
1697         });
1698
1699         /* activate status polling. */
1700         setTimeout(getStatus, 5000);
1701
1702         /* reset activity counter when the page has focus. */
1703         $(window).focus(function() {
1704                 focus = true;
1705                 resetActivity();
1706         }).blur(function() {
1707                 focus = false;
1708         })
1709
1710 });