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) {
 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").text(lastUpdated);
 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").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 function likePost(postId) {
 420         $.getJSON("like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 421                 if ((data == null) || !data.success) {
 422                         return;
 423                 }
 424                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
 425                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
 426                 updatePostLikes(postId);
 427         }, function(xmlHttpRequest, textStatus, error) {
 428                 /* ignore error. */
 429         });
 430 }
 431
 432 function unlikePost(postId) {
 433         $.getJSON("unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 434                 if ((data == null) || !data.success) {
 435                         return;
 436                 }
 437                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
 438                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
 439                 updatePostLikes(postId);
 440         }, function(xmlHttpRequest, textStatus, error) {
 441                 /* ignore error. */
 442         });
 443 }
 444
 445 function updatePostLikes(postId) {
 446         $.getJSON("getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
 447                 if ((data != null) && data.success) {
 448                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0)
 449                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
 450                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
 451                 }
 452         }, function(xmlHttpRequest, textStatus, error) {
 453                 /* ignore error. */
 454         });
 455 }
 456
 457 function likeReply(replyId) {
 458         $.getJSON("like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 459                 if ((data == null) || !data.success) {
 460                         return;
 461                 }
 462                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
 463                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
 464                 updateReplyLikes(replyId);
 465         }, function(xmlHttpRequest, textStatus, error) {
 466                 /* ignore error. */
 467         });
 468 }
 469
 470 function unlikeReply(replyId) {
 471         $.getJSON("unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 472                 if ((data == null) || !data.success) {
 473                         return;
 474                 }
 475                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
 476                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
 477                 updateReplyLikes(replyId);
 478         }, function(xmlHttpRequest, textStatus, error) {
 479                 /* ignore error. */
 480         });
 481 }
 482
 483 /**
 484  * Trusts the Sone with the given ID.
 485  *
 486  * @param soneId
 487  *            The ID of the Sone to trust
 488  */
 489 function trustSone(soneId) {
 490         $.getJSON("trustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 491                 if ((data != null) && data.success) {
 492                         updateTrustControls(soneId, data.trustValue);
 493                 }
 494         });
 495 }
 496
 497 /**
 498  * Distrusts the Sone with the given ID, i.e. assigns a negative trust value.
 499  *
 500  * @param soneId
 501  *            The ID of the Sone to distrust
 502  */
 503 function distrustSone(soneId) {
 504         $.getJSON("distrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 505                 if ((data != null) && data.success) {
 506                         updateTrustControls(soneId, data.trustValue);
 507                 }
 508         });
 509 }
 510
 511 /**
 512  * Untrusts the Sone with the given ID, i.e. removes any trust assignment.
 513  *
 514  * @param soneId
 515  *            The ID of the Sone to untrust
 516  */
 517 function untrustSone(soneId) {
 518         $.getJSON("untrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 519                 if ((data != null) && data.success) {
 520                         updateTrustControls(soneId, data.trustValue);
 521                 }
 522         });
 523 }
 524
 525 /**
 526  * Updates the trust controls for all posts and replies of the given Sone,
 527  * according to the given trust value.
 528  *
 529  * @param soneId
 530  *            The ID of the Sone to update all trust controls for
 531  * @param trustValue
 532  *            The trust value for the Sone
 533  */
 534 function updateTrustControls(soneId, trustValue) {
 535         $("#sone .post").each(function() {
 536                 if (getPostAuthor(this) == soneId) {
 537                         getPostElement(this).find(".post-trust").toggleClass("hidden", trustValue != null);
 538                         getPostElement(this).find(".post-distrust").toggleClass("hidden", trustValue != null);
 539                         getPostElement(this).find(".post-untrust").toggleClass("hidden", trustValue == null);
 540                 }
 541         });
 542         $("#sone .reply").each(function() {
 543                 if (getReplyAuthor(this) == soneId) {
 544                         getReplyElement(this).find(".reply-trust").toggleClass("hidden", trustValue != null);
 545                         getReplyElement(this).find(".reply-distrust").toggleClass("hidden", trustValue != null);
 546                         getReplyElement(this).find(".reply-untrust").toggleClass("hidden", trustValue == null);
 547                 }
 548         });
 549 }
 550
 551 /**
 552  * Bookmarks the post with the given ID.
 553  *
 554  * @param postId
 555  *            The ID of the post to bookmark
 556  */
 557 function bookmarkPost(postId) {
 558         (function(postId) {
 559                 $.getJSON("bookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 560                         if ((data != null) && data.success) {
 561                                 getPost(postId).find(".bookmark").toggleClass("hidden", true);
 562                                 getPost(postId).find(".unbookmark").toggleClass("hidden", false);
 563                         }
 564                 });
 565         })(postId);
 566 }
 567
 568 /**
 569  * Unbookmarks the post with the given ID.
 570  *
 571  * @param postId
 572  *            The ID of the post to unbookmark
 573  */
 574 function unbookmarkPost(postId) {
 575         $.getJSON("unbookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 576                 if ((data != null) && data.success) {
 577                         getPost(postId).find(".bookmark").toggleClass("hidden", false);
 578                         getPost(postId).find(".unbookmark").toggleClass("hidden", true);
 579                 }
 580         });
 581 }
 582
 583 function updateReplyLikes(replyId) {
 584         $.getJSON("getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
 585                 if ((data != null) && data.success) {
 586                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0)
 587                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
 588                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
 589                 }
 590         }, function(xmlHttpRequest, textStatus, error) {
 591                 /* ignore error. */
 592         });
 593 }
 594
 595 /**
 596  * Posts a reply and calls the given callback when the request finishes.
 597  *
 598  * @param sender
 599  *            The ID of the sender
 600  * @param postId
 601  *            The ID of the post the reply refers to
 602  * @param text
 603  *            The text to post
 604  * @param callbackFunction
 605  *            The callback function to call when the request finishes (takes 3
 606  *            parameters: success, error, replyId)
 607  */
 608 function postReply(sender, postId, text, callbackFunction) {
 609         $.getJSON("createReply.ajax", { "formPassword" : getFormPassword(), "sender": sender, "post" : postId, "text": text }, function(data, textStatus) {
 610                 if (data == null) {
 611                         /* TODO - show error */
 612                         return;
 613                 }
 614                 if (data.success) {
 615                         callbackFunction(true, null, data.reply, data.sone);
 616                 } else {
 617                         callbackFunction(false, data.error);
 618                 }
 619         }, function(xmlHttpRequest, textStatus, error) {
 620                 /* ignore error. */
 621         });
 622 }
 623
 624 /**
 625  * Ajaxifies the given Sone by enhancing all eligible elements with AJAX.
 626  *
 627  * @param soneElement
 628  *            The Sone to ajaxify
 629  */
 630 function ajaxifySone(soneElement) {
 631         /*
 632          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
 633          * nicer.
 634          */
 635         $(".follow", soneElement).submit(function() {
 636                 var followElement = this;
 637                 $.getJSON("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 638                         $(followElement).addClass("hidden");
 639                         $(followElement).parent().find(".unfollow").removeClass("hidden");
 640                 });
 641                 return false;
 642         });
 643         $(".unfollow", soneElement).submit(function() {
 644                 var unfollowElement = this;
 645                 $.getJSON("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 646                         $(unfollowElement).addClass("hidden");
 647                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
 648                 });
 649                 return false;
 650         });
 651         $(".lock", soneElement).submit(function() {
 652                 var lockElement = this;
 653                 $.getJSON("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 654                         $(lockElement).addClass("hidden");
 655                         $(lockElement).parent().find(".unlock").removeClass("hidden");
 656                 });
 657                 return false;
 658         });
 659         $(".unlock", soneElement).submit(function() {
 660                 var unlockElement = this;
 661                 $.getJSON("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 662                         $(unlockElement).addClass("hidden");
 663                         $(unlockElement).parent().find(".lock").removeClass("hidden");
 664                 });
 665                 return false;
 666         });
 667
 668         /* mark Sone as known when clicking it. */
 669         $(soneElement).click(function() {
 670                 markSoneAsKnown(this);
 671         });
 672 }
 673
 674 /**
 675  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
 676  *
 677  * @param postElement
 678  *            The post element to ajaxify
 679  */
 680 function ajaxifyPost(postElement) {
 681         $(postElement).find("form").submit(function() {
 682                 return false;
 683         });
 684         $(postElement).find(".create-reply button:submit").click(function() {
 685                 button = $(this);
 686                 button.attr("disabled", "disabled");
 687                 sender = $(this.form).find(":input[name=sender]").val();
 688                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
 689                 postId = getPostId(this);
 690                 text = $(inputField).val();
 691                 (function(sender, postId, text, inputField) {
 692                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
 693                                 if (success) {
 694                                         $(inputField).val("");
 695                                         loadNewReply(replyId, soneId, postId);
 696                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 697                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
 698                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
 699                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
 700                                 } else {
 701                                         alert(error);
 702                                 }
 703                                 button.removeAttr("disabled");
 704                         });
 705                 })(sender, postId, text, inputField);
 706                 return false;
 707         });
 708
 709         /* replace all “delete” buttons with javascript. */
 710         (function(postElement) {
 711                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 712                         postId = getPostId(postElement);
 713                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 714                 });
 715         })(postElement);
 716
 717         /* convert all “like” buttons to javascript functions. */
 718         $(postElement).find(".like-post").submit(function() {
 719                 likePost(getPostId(this));
 720                 return false;
 721         });
 722         $(postElement).find(".unlike-post").submit(function() {
 723                 unlikePost(getPostId(this));
 724                 return false;
 725         });
 726
 727         /* convert trust control buttons to javascript functions. */
 728         $(postElement).find(".post-trust").submit(function() {
 729                 trustSone(getPostAuthor(this));
 730                 return false;
 731         });
 732         $(postElement).find(".post-distrust").submit(function() {
 733                 distrustSone(getPostAuthor(this));
 734                 return false;
 735         });
 736         $(postElement).find(".post-untrust").submit(function() {
 737                 untrustSone(getPostAuthor(this));
 738                 return false;
 739         });
 740
 741         /* convert bookmark/unbookmark buttons to javascript functions. */
 742         $(postElement).find(".bookmark").submit(function() {
 743                 bookmarkPost(getPostId(this));
 744                 return false;
 745         });
 746         $(postElement).find(".unbookmark").submit(function() {
 747                 unbookmarkPost(getPostId(this));
 748                 return false;
 749         });
 750
 751         /* convert “show source” link into javascript function. */
 752         $(postElement).find(".show-source").each(function() {
 753                 $("a", this).click(function() {
 754                         $(".post-text.text", getPostElement(this)).toggleClass("hidden");
 755                         $(".post-text.raw-text", getPostElement(this)).toggleClass("hidden");
 756                         return false;
 757                 });
 758         });
 759
 760         /* add “comment” link. */
 761         addCommentLink(getPostId(postElement), getPostAuthor(postElement), postElement, $(postElement).find(".post-status-line .time"));
 762
 763         /* process all replies. */
 764         replyIds = [];
 765         $(postElement).find(".reply").each(function() {
 766                 replyIds.push(getReplyId(this));
 767                 ajaxifyReply(this);
 768         });
 769         updateReplyTimes(replyIds.join(","));
 770
 771         /* process reply input fields. */
 772         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 773                 $(postElement).find("input.reply-input").each(function() {
 774                         registerInputTextareaSwap(this, text, "text", false, false);
 775                 });
 776         });
 777
 778         /* process sender selection. */
 779         $(".select-sender", postElement).css("display", "inline");
 780         $(".sender", postElement).hide();
 781         $(".select-sender button", postElement).click(function() {
 782                 $(".sender", postElement).show();
 783                 $(".select-sender", postElement).hide();
 784                 return false;
 785         });
 786
 787         /* mark everything as known on click. */
 788         $(postElement).click(function(event) {
 789                 if ($(event.target).hasClass("click-to-show")) {
 790                         return false;
 791                 }
 792                 markPostAsKnown(this);
 793         });
 794
 795         /* hide reply input field. */
 796         $(postElement).find(".create-reply").addClass("hidden");
 797 }
 798
 799 /**
 800  * Ajaxifies the given reply element.
 801  *
 802  * @param replyElement
 803  *            The reply element to ajaxify
 804  */
 805 function ajaxifyReply(replyElement) {
 806         $(replyElement).find(".like-reply").submit(function() {
 807                 likeReply(getReplyId(this));
 808                 return false;
 809         });
 810         $(replyElement).find(".unlike-reply").submit(function() {
 811                 unlikeReply(getReplyId(this));
 812                 return false;
 813         });
 814         (function(replyElement) {
 815                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 816                         $(replyElement).find(".delete-reply button").each(function() {
 817                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 818                         });
 819                 });
 820         })(replyElement);
 821         addCommentLink(getPostId(replyElement), getReplyAuthor(replyElement), replyElement, $(replyElement).find(".reply-status-line .time"));
 822
 823         /* convert “show source” link into javascript function. */
 824         $(replyElement).find(".show-reply-source").each(function() {
 825                 $("a", this).click(function() {
 826                         $(".reply-text.text", getReplyElement(this)).toggleClass("hidden");
 827                         $(".reply-text.raw-text", getReplyElement(this)).toggleClass("hidden");
 828                         return false;
 829                 });
 830         });
 831
 832         /* convert trust control buttons to javascript functions. */
 833         $(replyElement).find(".reply-trust").submit(function() {
 834                 trustSone(getReplyAuthor(this));
 835                 return false;
 836         });
 837         $(replyElement).find(".reply-distrust").submit(function() {
 838                 distrustSone(getReplyAuthor(this));
 839                 return false;
 840         });
 841         $(replyElement).find(".reply-untrust").submit(function() {
 842                 untrustSone(getReplyAuthor(this));
 843                 return false;
 844         });
 845 }
 846
 847 /**
 848  * Ajaxifies the given notification by replacing the form with AJAX.
 849  *
 850  * @param notification
 851  *            jQuery object representing the notification.
 852  */
 853 function ajaxifyNotification(notification) {
 854         notification.find("form").submit(function() {
 855                 return false;
 856         });
 857         notification.find("input[name=returnPage]").val($.url.attr("relative"));
 858         if (notification.find(".short-text").length > 0) {
 859                 notification.find(".short-text").removeClass("hidden");
 860                 notification.find(".text").addClass("hidden");
 861         }
 862         notification.find("form.mark-as-read button").click(function() {
 863                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": $(":input[name=id]", this.form).val()});
 864         });
 865         notification.find("a[class^='link-']").each(function() {
 866                 linkElement = $(this);
 867                 if (linkElement.is("[href^='viewPost']")) {
 868                         id = linkElement.attr("class").substr(5);
 869                         if (hasPost(id)) {
 870                                 linkElement.attr("href", "#post-" + id);
 871                         }
 872                 }
 873         });
 874         notification.find("form.dismiss button").click(function() {
 875                 $.getJSON("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 876                         /* dismiss in case of error, too. */
 877                         notification.slideUp();
 878                 }, function(xmlHttpRequest, textStatus, error) {
 879                         /* ignore error. */
 880                 });
 881         });
 882         return notification;
 883 }
 884
 885 /**
 886  * Retrieves element IDs from notification elements.
 887  *
 888  * @param notification
 889  *            The notification element
 890  * @param selector
 891  *            The selector of the element containing the ID as text
 892  * @returns All extracted IDs
 893  */
 894 function getElementIds(notification, selector) {
 895         elementIds = [];
 896         $(selector, notification).each(function() {
 897                 elementIds.push($(this).text());
 898         });
 899         return elementIds;
 900 }
 901
 902 /**
 903  * Compares the given notification elements and calls {@link #markSoneAsKnown()}
 904  * for every ID that is contained in the old notification but not in the new.
 905  *
 906  * @param oldNotification
 907  *            The old notification element
 908  * @param newNotification
 909  *            The new notification element
 910  */
 911 function checkForRemovedSones(oldNotification, newNotification) {
 912         if (getNotificationId(oldNotification) != "new-sone-notification") {
 913                 return;
 914         }
 915         oldIds = getElementIds(oldNotification, ".sone-id");
 916         newIds = getElementIds(newNotification, ".sone-id");
 917         $.each(oldIds, function(index, value) {
 918                 if ($.inArray(value, newIds) == -1) {
 919                         markSoneAsKnown(getSone(value), true);
 920                 }
 921         });
 922 }
 923
 924 /**
 925  * Compares the given notification elements and calls {@link #markPostAsKnown()}
 926  * for every ID that is contained in the old notification but not in the new.
 927  *
 928  * @param oldNotification
 929  *            The old notification element
 930  * @param newNotification
 931  *            The new notification element
 932  */
 933 function checkForRemovedPosts(oldNotification, newNotification) {
 934         if (getNotificationId(oldNotification) != "new-post-notification") {
 935                 return;
 936         }
 937         oldIds = getElementIds(oldNotification, ".post-id");
 938         newIds = getElementIds(newNotification, ".post-id");
 939         $.each(oldIds, function(index, value) {
 940                 if ($.inArray(value, newIds) == -1) {
 941                         markPostAsKnown(getPost(value), true);
 942                 }
 943         });
 944 }
 945
 946 /**
 947  * Compares the given notification elements and calls
 948  * {@link #markReplyAsKnown()} for every ID that is contained in the old
 949  * notification but not in the new.
 950  *
 951  * @param oldNotification
 952  *            The old notification element
 953  * @param newNotification
 954  *            The new notification element
 955  */
 956 function checkForRemovedReplies(oldNotification, newNotification) {
 957         if (getNotificationId(oldNotification) != "new-replies-notification") {
 958                 return;
 959         }
 960         oldIds = getElementIds(oldNotification, ".reply-id");
 961         newIds = getElementIds(newNotification, ".reply-id");
 962         $.each(oldIds, function(index, value) {
 963                 if ($.inArray(value, newIds) == -1) {
 964                         markReplyAsKnown(getReply(value), true);
 965                 }
 966         });
 967 }
 968
 969 function getStatus() {
 970         $.getJSON("getStatus.ajax", {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
 971                 if ((data != null) && data.success) {
 972                         /* process Sone information. */
 973                         $.each(data.sones, function(index, value) {
 974                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated);
 975                         });
 976                         /* search for removed notifications. */
 977                         $("#sone #notification-area .notification").each(function() {
 978                                 notificationId = $(this).attr("id");
 979                                 foundNotification = false;
 980                                 $.each(data.notifications, function(index, value) {
 981                                         if (value.id == notificationId) {
 982                                                 foundNotification = true;
 983                                                 return false;
 984                                         }
 985                                 });
 986                                 if (!foundNotification) {
 987                                         if (notificationId == "new-sone-notification") {
 988                                                 $(".sone-id", this).each(function(index, element) {
 989                                                         soneId = $(this).text();
 990                                                         markSoneAsKnown(getSone(soneId), true);
 991                                                 });
 992                                         } else if (notificationId == "new-post-notification") {
 993                                                 $(".post-id", this).each(function(index, element) {
 994                                                         postId = $(this).text();
 995                                                         markPostAsKnown(getPost(postId), true);
 996                                                 });
 997                                         } else if (notificationId == "new-replies-notification") {
 998                                                 $(".reply-id", this).each(function(index, element) {
 999                                                         replyId = $(this).text();
1000                                                         markReplyAsKnown(getReply(replyId), true);
1001                                                 });
1002                                         }
1003                                         $(this).slideUp("normal", function() {
1004                                                 $(this).remove();
1005                                                 /* remove activity when no notifications are visible. */
1006                                                 if ($("#sone #notification-area .notification").length == 0) {
1007                                                         resetActivity();
1008                                                 }
1009                                         });
1010                                 }
1011                         });
1012                         /* process notifications. */
1013                         $.each(data.notifications, function(index, value) {
1014                                 oldNotification = getNotification(value.id);
1015                                 notification = ajaxifyNotification(createNotification(value.id, value.text, value.dismissable)).hide();
1016                                 if (oldNotification.length != 0) {
1017                                         if ((oldNotification.find(".short-text").length > 0) && (notification.find(".short-text").length > 0)) {
1018                                                 opened = oldNotification.is(":visible") && oldNotification.find(".short-text").hasClass("hidden");
1019                                                 notification.find(".short-text").toggleClass("hidden", opened);
1020                                                 notification.find(".text").toggleClass("hidden", !opened);
1021                                         }
1022                                         checkForRemovedSones(oldNotification, notification);
1023                                         checkForRemovedPosts(oldNotification, notification);
1024                                         checkForRemovedReplies(oldNotification, notification);
1025                                         oldNotification.replaceWith(notification.show());
1026                                 } else {
1027                                         $("#sone #notification-area").append(notification);
1028                                         notification.slideDown();
1029                                         setActivity();
1030                                 }
1031                         });
1032                         /* process new posts. */
1033                         $.each(data.newPosts, function(index, value) {
1034                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
1035                         });
1036                         /* process new replies. */
1037                         $.each(data.newReplies, function(index, value) {
1038                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
1039                         });
1040                         /* do it again in 5 seconds. */
1041                         setTimeout(getStatus, 5000);
1042                 } else {
1043                         /* data.success was false, wait 30 seconds. */
1044                         setTimeout(getStatus, 30000);
1045                 }
1046         }, function(xmlHttpRequest, textStatus, error) {
1047                 /* something really bad happend, wait a minute. */
1048                 setTimeout(getStatus, 60000);
1049         })
1050 }
1051
1052 /**
1053  * Returns the ID of the currently logged in Sone.
1054  *
1055  * @return The ID of the current Sone, or an empty string if no Sone is logged
1056  *         in
1057  */
1058 function getCurrentSoneId() {
1059         return $("#currentSoneId").text();
1060 }
1061
1062 /**
1063  * Returns the content of the page-id attribute.
1064  *
1065  * @returns The page ID
1066  */
1067 function getPageId() {
1068         return $("#sone .page-id").text();
1069 }
1070
1071 /**
1072  * Returns whether the current page is the index page.
1073  *
1074  * @returns {Boolean} <code>true</code> if the current page is the index page,
1075  *          <code>false</code> otherwise
1076  */
1077 function isIndexPage() {
1078         return getPageId() == "index";
1079 }
1080
1081 /**
1082  * Returns whether the current page is a “view Sone” page.
1083  *
1084  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
1085  *          page, <code>false</code> otherwise
1086  */
1087 function isViewSonePage() {
1088         return getPageId() == "view-sone";
1089 }
1090
1091 /**
1092  * Returns the ID of the currently shown Sone. This will only return a sensible
1093  * value if isViewSonePage() returns <code>true</code>.
1094  *
1095  * @returns The ID of the currently shown Sone
1096  */
1097 function getShownSoneId() {
1098         return $("#sone .sone-id").text();
1099 }
1100
1101 /**
1102  * Returns whether the current page is a “view post” page.
1103  *
1104  * @returns {Boolean} <code>true</code> if the current page is a “view post”
1105  *          page, <code>false</code> otherwise
1106  */
1107 function isViewPostPage() {
1108         return getPageId() == "view-post";
1109 }
1110
1111 /**
1112  * Returns the ID of the currently shown post. This will only return a sensible
1113  * value if isViewPostPage() returns <code>true</code>.
1114  *
1115  * @returns The ID of the currently shown post
1116  */
1117 function getShownPostId() {
1118         return $("#sone .post-id").text();
1119 }
1120
1121 /**
1122  * Returns whether the current page is the “known Sones” page.
1123  *
1124  * @returns {Boolean} <code>true</code> if the current page is the “known
1125  *          Sones” page, <code>false</code> otherwise
1126  */
1127 function isKnownSonesPage() {
1128         return getPageId() == "known-sones";
1129 }
1130
1131 /**
1132  * Returns whether a post with the given ID exists on the current page.
1133  *
1134  * @param postId
1135  *            The post ID to check for
1136  * @returns {Boolean} <code>true</code> if a post with the given ID already
1137  *          exists on the page, <code>false</code> otherwise
1138  */
1139 function hasPost(postId) {
1140         return $(".post#" + postId).length > 0;
1141 }
1142
1143 /**
1144  * Returns whether a reply with the given ID exists on the current page.
1145  *
1146  * @param replyId
1147  *            The reply ID to check for
1148  * @returns {Boolean} <code>true</code> if a reply with the given ID already
1149  *          exists on the page, <code>false</code> otherwise
1150  */
1151 function hasReply(replyId) {
1152         return $("#sone .reply#" + replyId).length > 0;
1153 }
1154
1155 function loadNewPost(postId, soneId, recipientId, time) {
1156         if (hasPost(postId)) {
1157                 return;
1158         }
1159         if (!isIndexPage()) {
1160                 if (!isViewPostPage() || (getShownPostId() != postId)) {
1161                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId))) {
1162                                 return;
1163                         }
1164                 }
1165         }
1166         if (getPostTime($("#sone .post").last()) > time) {
1167                 return;
1168         }
1169         $.getJSON("getPost.ajax", { "post" : postId }, function(data, textStatus) {
1170                 if ((data != null) && data.success) {
1171                         if (hasPost(data.post.id)) {
1172                                 return;
1173                         }
1174                         if (!isIndexPage() && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient)))) {
1175                                 return;
1176                         }
1177                         var firstOlderPost = null;
1178                         $("#sone .post").each(function() {
1179                                 if (getPostTime(this) < data.post.time) {
1180                                         firstOlderPost = $(this);
1181                                         return false;
1182                                 }
1183                         });
1184                         newPost = $(data.post.html).addClass("hidden");
1185                         if (firstOlderPost != null) {
1186                                 newPost.insertBefore(firstOlderPost);
1187                         }
1188                         ajaxifyPost(newPost);
1189                         updatePostTimes(data.post.id);
1190                         newPost.slideDown();
1191                         setActivity();
1192                 }
1193         });
1194 }
1195
1196 function loadNewReply(replyId, soneId, postId, postSoneId) {
1197         if (hasReply(replyId)) {
1198                 return;
1199         }
1200         if (!hasPost(postId)) {
1201                 return;
1202         }
1203         $.getJSON("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
1204                 /* find post. */
1205                 if ((data != null) && data.success) {
1206                         if (hasReply(data.reply.id)) {
1207                                 return;
1208                         }
1209                         $("#sone .post#" + data.reply.postId).each(function() {
1210                                 var firstNewerReply = null;
1211                                 $(this).find(".replies .reply").each(function() {
1212                                         if (getReplyTime(this) > data.reply.time) {
1213                                                 firstNewerReply = $(this);
1214                                                 return false;
1215                                         }
1216                                 });
1217                                 newReply = $(data.reply.html).addClass("hidden");
1218                                 if (firstNewerReply != null) {
1219                                         newReply.insertBefore(firstNewerReply);
1220                                 } else {
1221                                         if ($(this).find(".replies .create-reply")) {
1222                                                 $(this).find(".replies .create-reply").before(newReply);
1223                                         } else {
1224                                                 $(this).find(".replies").append(newReply);
1225                                         }
1226                                 }
1227                                 ajaxifyReply(newReply);
1228                                 updateReplyTimes(data.reply.id);
1229                                 newReply.slideDown();
1230                                 setActivity();
1231                                 return false;
1232                         });
1233                 }
1234         });
1235 }
1236
1237 /**
1238  * Marks the given Sone as known if it is still new.
1239  *
1240  * @param soneElement
1241  *            The Sone to mark as known
1242  * @param skipRequest
1243  *            true to skip the JSON request, false or omit to perform the JSON
1244  *            request
1245  */
1246 function markSoneAsKnown(soneElement, skipRequest) {
1247         if ($(".new", soneElement).length > 0) {
1248                 if ((typeof skipRequest != "undefined") && !skipRequest) {
1249                         $.getJSON("maskAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)}, function(data, textStatus) {
1250                                 $(soneElement).removeClass("new");
1251                         });
1252                 }
1253         }
1254 }
1255
1256 function markPostAsKnown(postElements, skipRequest) {
1257         $(postElements).each(function() {
1258                 postElement = this;
1259                 if ($(postElement).hasClass("new")) {
1260                         (function(postElement) {
1261                                 $(postElement).removeClass("new");
1262                                 $(".click-to-show", postElement).removeClass("new");
1263                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1264                                         $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)});
1265                                 }
1266                         })(postElement);
1267                 }
1268         });
1269         markReplyAsKnown($(postElements).find(".reply"));
1270 }
1271
1272 function markReplyAsKnown(replyElements, skipRequest) {
1273         $(replyElements).each(function() {
1274                 replyElement = this;
1275                 if ($(replyElement).hasClass("new")) {
1276                         (function(replyElement) {
1277                                 $(replyElement).removeClass("new");
1278                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1279                                         $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)});
1280                                 }
1281                         })(replyElement);
1282                 }
1283         });
1284 }
1285
1286 /**
1287  * Updates the time of the post with the given ID.
1288  *
1289  * @param postId
1290  *            The ID of the post to update
1291  * @param timeText
1292  *            The text of the time to show
1293  * @param refreshTime
1294  *            The refresh time after which to request a new time (in seconds)
1295  * @param tooltip
1296  *            The tooltip to show
1297  */
1298 function updatePostTime(postId, timeText, refreshTime, tooltip) {
1299         if (!getPost(postId).is(":visible")) {
1300                 return;
1301         }
1302         getPost(postId).find(".post-status-line > .time a").html(timeText).attr("title", tooltip);
1303         (function(postId, refreshTime) {
1304                 setTimeout(function() {
1305                         updatePostTimes(postId);
1306                 }, refreshTime * 1000);
1307         })(postId, refreshTime);
1308 }
1309
1310 /**
1311  * Requests new rendered times for the posts with the given IDs.
1312  *
1313  * @param postIds
1314  *            Comma-separated post IDs
1315  */
1316 function updatePostTimes(postIds) {
1317         $.getJSON("getTimes.ajax", { "posts" : postIds }, function(data, textStatus) {
1318                 if ((data != null) && data.success) {
1319                         $.each(data.postTimes, function(index, value) {
1320                                 updatePostTime(index, value.timeText, value.refreshTime, value.tooltip);
1321                         });
1322                 }
1323         });
1324 }
1325
1326 /**
1327  * Updates the time of the reply with the given ID.
1328  *
1329  * @param postId
1330  *            The ID of the reply to update
1331  * @param timeText
1332  *            The text of the time to show
1333  * @param refreshTime
1334  *            The refresh time after which to request a new time (in seconds)
1335  * @param tooltip
1336  *            The tooltip to show
1337  */
1338 function updateReplyTime(replyId, timeText, refreshTime, tooltip) {
1339         getReply(replyId).find(".reply-status-line > .time").html(timeText).attr("title", tooltip);
1340         (function(replyId, refreshTime) {
1341                 setTimeout(function() {
1342                         updateReplyTimes(replyId);
1343                 }, refreshTime * 1000);
1344         })(replyId, refreshTime);
1345 }
1346
1347 /**
1348  * Requests new rendered times for the posts with the given IDs.
1349  *
1350  * @param postIds
1351  *            Comma-separated post IDs
1352  */
1353 function updateReplyTimes(replyIds) {
1354         $.getJSON("getTimes.ajax", { "replies" : replyIds }, function(data, textStatus) {
1355                 if ((data != null) && data.success) {
1356                         $.each(data.replyTimes, function(index, value) {
1357                                 updateReplyTime(index, value.timeText, value.refreshTime, value.tooltip);
1358                         });
1359                 }
1360         });
1361 }
1362
1363 function resetActivity() {
1364         title = document.title;
1365         if (title.indexOf('(') == 0) {
1366                 setTitle(title.substr(title.indexOf(' ') + 1));
1367         }
1368         iconBlinking = false;
1369 }
1370
1371 function setActivity() {
1372         if (!focus) {
1373                 title = document.title;
1374                 if (title.indexOf('(') != 0) {
1375                         setTitle("(!) " + title);
1376                 }
1377                 if (!iconBlinking) {
1378                         setTimeout(toggleIcon, 1500);
1379                         iconBlinking = true;
1380                 }
1381         }
1382 }
1383
1384 /**
1385  * Sets the window title after a small delay to prevent race-condition issues.
1386  *
1387  * @param title
1388  *            The title to set
1389  */
1390 function setTitle(title) {
1391         setTimeout(function() {
1392                 document.title = title;
1393         }, 50);
1394 }
1395
1396 /** Whether the icon is currently showing activity. */
1397 var iconActive = false;
1398
1399 /** Whether the icon is currently supposed to blink. */
1400 var iconBlinking = false;
1401
1402 /**
1403  * Toggles the icon. If the window has gained focus and the icon is still
1404  * showing the activity state, it is returned to normal.
1405  */
1406 function toggleIcon() {
1407         if (focus || !iconBlinking) {
1408                 if (iconActive) {
1409                         changeIcon("images/icon.png");
1410                         iconActive = false;
1411                 }
1412                 iconBlinking = false;
1413         } else {
1414                 iconActive = !iconActive;
1415                 changeIcon(iconActive ? "images/icon-activity.png" : "images/icon.png");
1416                 setTimeout(toggleIcon, 1500);
1417         }
1418 }
1419
1420 /**
1421  * Changes the icon of the page.
1422  *
1423  * @param iconUrl
1424  *            The new URL of the icon
1425  */
1426 function changeIcon(iconUrl) {
1427         $("link[rel=icon]").remove();
1428         $("head").append($("<link>").attr("rel", "icon").attr("type", "image/png").attr("href", iconUrl));
1429         $("iframe[id=icon-update]")[0].src += "";
1430 }
1431
1432 /**
1433  * Creates a new notification.
1434  *
1435  * @param id
1436  *            The ID of the notificaiton
1437  * @param text
1438  *            The text of the notification
1439  * @param dismissable
1440  *            <code>true</code> if the notification can be dismissed by the
1441  *            user
1442  */
1443 function createNotification(id, text, dismissable) {
1444         notification = $("<div></div>").addClass("notification").attr("id", id);
1445         if (dismissable) {
1446                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id")
1447                 dismissForm.find("input[name=notification]").val(id);
1448                 notification.append(dismissForm);
1449         }
1450         notification.append(text);
1451         return notification;
1452 }
1453
1454 /**
1455  * Shows the details of the notification with the given ID.
1456  *
1457  * @param notificationId
1458  *            The ID of the notification
1459  */
1460 function showNotificationDetails(notificationId) {
1461         $("#sone .notification#" + notificationId + " .text").removeClass("hidden");
1462         $("#sone .notification#" + notificationId + " .short-text").addClass("hidden");
1463 }
1464
1465 /**
1466  * Deletes the field with the given ID from the profile.
1467  *
1468  * @param fieldId
1469  *            The ID of the field to delete
1470  */
1471 function deleteProfileField(fieldId) {
1472         $.getJSON("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1473                 if (data && data.success) {
1474                         $("#sone .profile-field#" + data.field.id).slideUp();
1475                 }
1476         });
1477 }
1478
1479 /**
1480  * Renames a profile field.
1481  *
1482  * @param fieldId
1483  *            The ID of the field to rename
1484  * @param newName
1485  *            The new name of the field
1486  * @param successFunction
1487  *            Called when the renaming was successful
1488  */
1489 function editProfileField(fieldId, newName, successFunction) {
1490         $.getJSON("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1491                 if (data && data.success) {
1492                         successFunction();
1493                 }
1494         });
1495 }
1496
1497 /**
1498  * Moves the profile field with the given ID one slot in the given direction.
1499  *
1500  * @param fieldId
1501  *            The ID of the field to move
1502  * @param direction
1503  *            The direction to move in (“up” or “down”)
1504  * @param successFunction
1505  *            Function to call on success
1506  */
1507 function moveProfileField(fieldId, direction, successFunction) {
1508         $.getJSON("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1509                 if (data && data.success) {
1510                         successFunction();
1511                 }
1512         });
1513 }
1514
1515 /**
1516  * Moves the profile field with the given ID up one slot.
1517  *
1518  * @param fieldId
1519  *            The ID of the field to move
1520  * @param successFunction
1521  *            Function to call on success
1522  */
1523 function moveProfileFieldUp(fieldId, successFunction) {
1524         moveProfileField(fieldId, "up", successFunction);
1525 }
1526
1527 /**
1528  * Moves the profile field with the given ID down one slot.
1529  *
1530  * @param fieldId
1531  *            The ID of the field to move
1532  * @param successFunction
1533  *            Function to call on success
1534  */
1535 function moveProfileFieldDown(fieldId, successFunction) {
1536         moveProfileField(fieldId, "down", successFunction);
1537 }
1538
1539 //
1540 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1541 //
1542
1543 var focus = true;
1544
1545 $(document).ready(function() {
1546
1547         /* this initializes the status update input field. */
1548         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1549                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1550                 $("#sone #update-status .select-sender").css("display", "inline");
1551                 $("#sone #update-status .sender").hide();
1552                 $("#sone #update-status .select-sender button").click(function() {
1553                         $("#sone #update-status .sender").show();
1554                         $("#sone #update-status .select-sender").hide();
1555                         return false;
1556                 });
1557                 $("#sone #update-status").submit(function() {
1558                         button = $("button:submit", this);
1559                         button.attr("disabled", "disabled");
1560                         if ($(this).find(":input.default:enabled").length > 0) {
1561                                 return false;
1562                         }
1563                         sender = $(this).find(":input[name=sender]").val();
1564                         text = $(this).find(":input[name=text]:enabled").val();
1565                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1566                                 button.removeAttr("disabled");
1567                         });
1568                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1569                         $(this).find(":input[name=text]:enabled").val("").blur();
1570                         $(this).find(".sender").hide();
1571                         $(this).find(".select-sender").show();
1572                         return false;
1573                 });
1574         });
1575
1576         /* ajaxify the search input field. */
1577         getTranslation("WebInterface.DefaultText.Search", function(defaultText) {
1578                 registerInputTextareaSwap("#sone #search input[name=query]", defaultText, "query", false, true);
1579         });
1580
1581         /* ajaxify input field on “view Sone” page. */
1582         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1583                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1584                 $("#sone #post-message .select-sender").css("display", "inline");
1585                 $("#sone #post-message .sender").hide();
1586                 $("#sone #post-message .select-sender button").click(function() {
1587                         $("#sone #post-message .sender").show();
1588                         $("#sone #post-message .select-sender").hide();
1589                         return false;
1590                 });
1591                 $("#sone #post-message").submit(function() {
1592                         sender = $(this).find(":input[name=sender]").val();
1593                         text = $(this).find(":input[name=text]:enabled").val();
1594                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "sender": sender, "text": text });
1595                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1596                         $(this).find(":input[name=text]:enabled").val("").blur();
1597                         $(this).find(".sender").hide();
1598                         $(this).find(".select-sender").show();
1599                         return false;
1600                 });
1601         });
1602
1603         /* Ajaxifies all posts. */
1604         /* calling getTranslation here will cache the necessary values. */
1605         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1606                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1607                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1608                                 $("#sone .post").each(function() {
1609                                         ajaxifyPost(this);
1610                                 });
1611                         });
1612                 });
1613         });
1614
1615         /* update post times. */
1616         postIds = [];
1617         $("#sone .post").each(function() {
1618                 postIds.push(getPostId(this));
1619         });
1620         updatePostTimes(postIds.join(","));
1621
1622         /* hides all replies but the latest two. */
1623         if (!isViewPostPage()) {
1624                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1625                         $("#sone .post .replies").each(function() {
1626                                 allReplies = $(this).find(".reply");
1627                                 if (allReplies.length > 2) {
1628                                         newHidden = false;
1629                                         for (replyIndex = 0; replyIndex < (allReplies.length - 2); ++replyIndex) {
1630                                                 $(allReplies[replyIndex]).addClass("hidden");
1631                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1632                                         }
1633                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1634                                         if (newHidden) {
1635                                                 clickToShowElement.addClass("new");
1636                                         }
1637                                         (function(clickToShowElement, allReplies, text) {
1638                                                 clickToShowElement.text(text);
1639                                                 clickToShowElement.click(function() {
1640                                                         allReplies.removeClass("hidden");
1641                                                         clickToShowElement.addClass("hidden");
1642                                                 });
1643                                         })(clickToShowElement, allReplies, text);
1644                                         $(allReplies[0]).before(clickToShowElement);
1645                                 }
1646                         });
1647                 });
1648         }
1649
1650         $("#sone .sone").each(function() {
1651                 ajaxifySone($(this));
1652         });
1653
1654         /* process all existing notifications, ajaxify dismiss buttons. */
1655         $("#sone #notification-area .notification").each(function() {
1656                 ajaxifyNotification($(this));
1657         });
1658
1659         /* activate status polling. */
1660         setTimeout(getStatus, 5000);
1661
1662         /* reset activity counter when the page has focus. */
1663         $(window).focus(function() {
1664                 focus = true;
1665                 resetActivity();
1666         }).blur(function() {
1667                 focus = false;
1668         })
1669
1670 });