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

   1 /* Sone JavaScript functions. */
   2
   3 function ajaxGet(url, data, successCallback, errorCallback) {
   4         (function(url, data, successCallback, errorCallback) {
   5                 $.ajax({"type": "GET", "url": url, "data": data, "dataType": "json", "success": function(data, textStatus, xmlHttpRequest) {
   6                         ajaxSuccess();
   7                         if (typeof successCallback != "undefined") {
   8                                 successCallback(data, textStatus);
   9                         }
  10                 }, "error": function(xmlHttpRequest, textStatus, errorThrown) {
  11                         if (xmlHttpRequest.status == 403) {
  12                                 notLoggedIn = true;
  13                         }
  14                         if (typeof errorCallback != "undefined") {
  15                                 errorCallback();
  16                         } else {
  17                                 ajaxError();
  18                         }
  19                 }});
  20         })(url, data, successCallback, errorCallback);
  21 }
  22
  23 function registerInputTextareaSwap(inputElement, defaultText, inputFieldName, optional, dontUseTextarea) {
  24         $(inputElement).each(function() {
  25                 textarea = $(dontUseTextarea ? "<input type=\"text\" name=\"" + inputFieldName + "\">" : "<textarea name=\"" + inputFieldName + "\"></textarea>").blur(function() {
  26                         if ($(this).val() == "") {
  27                                 $(this).hide();
  28                                 inputField = $(this).data("inputField");
  29                                 inputField.show().removeAttr("disabled").addClass("default");
  30                                 inputField.val(defaultText);
  31                         }
  32                 }).hide().data("inputField", $(this)).val($(this).val());
  33                 $(this).data("textarea", textarea).after(textarea);
  34                 (function(inputField, textarea) {
  35                         inputField.focus(function() {
  36                                 $(this).hide().attr("disabled", "disabled");
  37                                 /* no, show(), “display: block” is not what I need. */
  38                                 textarea.attr("style", "display: inline").focus();
  39                         });
  40                         if (inputField.val() == "") {
  41                                 inputField.addClass("default");
  42                                 inputField.val(defaultText);
  43                         } else {
  44                                 inputField.hide().attr("disabled", "disabled");
  45                                 textarea.show();
  46                         }
  47                         $(inputField.get(0).form).submit(function() {
  48                                 inputField.attr("disabled", "disabled");
  49                                 if (!optional && (textarea.val() == "")) {
  50                                         inputField.removeAttr("disabled").focus();
  51                                         return false;
  52                                 }
  53                         });
  54                 })($(this), textarea);
  55         });
  56 }
  57
  58 /**
  59  * Adds a “comment” link to all status lines contained in the given element.
  60  *
  61  * @param postId
  62  *            The ID of the post
  63  * @param element
  64  *            The element to add a “comment” link to
  65  */
  66 function addCommentLink(postId, author, element, insertAfterThisElement) {
  67         if (($(element).find(".show-reply-form").length > 0) || (getPostElement(element).find(".create-reply").length == 0)) {
  68                 return;
  69         }
  70         commentElement = (function(postId, author) {
  71                 separator = $("<span> · </span>").addClass("separator");
  72                 var commentElement = $("<div><span>Comment</span></div>").addClass("show-reply-form").click(function() {
  73                         replyElement = $("#sone .post#" + postId + " .create-reply");
  74                         replyElement.removeClass("hidden");
  75                         replyElement.removeClass("light");
  76                         (function(replyElement) {
  77                                 replyElement.find("input.reply-input").blur(function() {
  78                                         if ($(this).hasClass("default")) {
  79                                                 replyElement.addClass("light");
  80                                         }
  81                                 }).focus(function() {
  82                                         replyElement.removeClass("light");
  83                                 });
  84                         })(replyElement);
  85                         textArea = replyElement.find("input.reply-input").focus().data("textarea");
  86                         if (author != getCurrentSoneId()) {
  87                                 textArea.val(textArea.val() + "@sone://" + author + " ");
  88                         }
  89                 });
  90                 return commentElement;
  91         })(postId, author);
  92         $(insertAfterThisElement).after(commentElement.clone(true));
  93         $(insertAfterThisElement).after(separator);
  94 }
  95
  96 var translations = {};
  97
  98 /**
  99  * Retrieves the translation for the given key and calls the callback function.
 100  * The callback function takes a single parameter, the translated string.
 101  *
 102  * @param key
 103  *            The key of the translation string
 104  * @param callback
 105  *            The callback function
 106  */
 107 function getTranslation(key, callback) {
 108         if (key in translations) {
 109                 callback(translations[key]);
 110                 return;
 111         }
 112         ajaxGet("getTranslation.ajax", {"key": key}, function(data, textStatus) {
 113                 if ((data != null) && data.success) {
 114                         translations[key] = data.value;
 115                         callback(data.value);
 116                 }
 117         });
 118 }
 119
 120 /**
 121  * Filters the given Sone ID, replacing all “~” characters by an underscore.
 122  *
 123  * @param soneId
 124  *            The Sone ID to filter
 125  * @returns The filtered Sone ID
 126  */
 127 function filterSoneId(soneId) {
 128         return soneId.replace(/[^a-zA-Z0-9-]/g, "_");
 129 }
 130
 131 /**
 132  * Updates the status of the given Sone.
 133  *
 134  * @param soneId
 135  *            The ID of the Sone to update
 136  * @param status
 137  *            The status of the Sone (“idle”, “unknown”, “inserting”,
 138  *            “downloading”)
 139  * @param modified
 140  *            Whether the Sone is modified
 141  * @param locked
 142  *            Whether the Sone is locked
 143  * @param lastUpdated
 144  *            The date and time of the last update (formatted for display)
 145  */
 146 function updateSoneStatus(soneId, name, status, modified, locked, lastUpdated, lastUpdatedText) {
 147         $("#sone .sone." + filterSoneId(soneId)).
 148                 toggleClass("unknown", status == "unknown").
 149                 toggleClass("idle", status == "idle").
 150                 toggleClass("inserting", status == "inserting").
 151                 toggleClass("downloading", status == "downloading").
 152                 toggleClass("modified", modified);
 153         $("#sone .sone." + filterSoneId(soneId) + " .lock").toggleClass("hidden", locked);
 154         $("#sone .sone." + filterSoneId(soneId) + " .unlock").toggleClass("hidden", !locked);
 155         if (lastUpdated != null) {
 156                 $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").attr("title", lastUpdated).text(lastUpdatedText);
 157         } else {
 158                 getTranslation("View.Sone.Text.UnknownDate", function(unknown) {
 159                         $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(unknown);
 160                 });
 161         }
 162         $("#sone .sone." + filterSoneId(soneId) + " .profile-link a").text(name);
 163 }
 164
 165 /**
 166  * Enhances a “delete” button so that the confirmation is done on the same page.
 167  *
 168  * @param button
 169  *            The button element
 170  * @param text
 171  *            The text to show on the button
 172  * @param deleteCallback
 173  *            The callback that actually deletes something
 174  */
 175 function enhanceDeleteButton(button, text, deleteCallback) {
 176         (function(button) {
 177                 newButton = $("<button></button>").addClass("confirm").hide().text(text).click(function() {
 178                         $(this).fadeOut("slow");
 179                         deleteCallback();
 180                         return false;
 181                 }).insertAfter(button);
 182                 (function(button, newButton) {
 183                         button.click(function() {
 184                                 button.fadeOut("slow", function() {
 185                                         newButton.fadeIn("slow");
 186                                         $(document).one("click", function() {
 187                                                 if (this != newButton.get(0)) {
 188                                                         newButton.fadeOut(function() {
 189                                                                 button.fadeIn();
 190                                                         });
 191                                                 }
 192                                         });
 193                                 });
 194                                 return false;
 195                         });
 196                 })(button, newButton);
 197         })($(button));
 198 }
 199
 200 /**
 201  * Enhances a post’s “delete” button.
 202  *
 203  * @param button
 204  *            The button element
 205  * @param postId
 206  *            The ID of the post to delete
 207  * @param text
 208  *            The text to replace the button with
 209  */
 210 function enhanceDeletePostButton(button, postId, text) {
 211         enhanceDeleteButton(button, text, function() {
 212                 ajaxGet("deletePost.ajax", { "post": postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 213                         if (data == null) {
 214                                 return;
 215                         }
 216                         if (data.success) {
 217                                 $("#sone .post#" + postId).slideUp();
 218                         } else if (data.error == "invalid-post-id") {
 219                                 /* pretend the post is already gone. */
 220                                 getPost(postId).slideUp();
 221                         } else if (data.error == "auth-required") {
 222                                 alert("You need to be logged in.");
 223                         } else if (data.error == "not-authorized") {
 224                                 alert("You are not allowed to delete this post.");
 225                         }
 226                 }, function(xmlHttpRequest, textStatus, error) {
 227                         /* ignore error. */
 228                 });
 229         });
 230 }
 231
 232 /**
 233  * Enhances a reply’s “delete” button.
 234  *
 235  * @param button
 236  *            The button element
 237  * @param replyId
 238  *            The ID of the reply to delete
 239  * @param text
 240  *            The text to replace the button with
 241  */
 242 function enhanceDeleteReplyButton(button, replyId, text) {
 243         enhanceDeleteButton(button, text, function() {
 244                 ajaxGet("deleteReply.ajax", { "reply": replyId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
 245                         if (data == null) {
 246                                 return;
 247                         }
 248                         if (data.success) {
 249                                 $("#sone .reply#" + replyId).slideUp();
 250                         } else if (data.error == "invalid-reply-id") {
 251                                 /* pretend the reply is already gone. */
 252                                 getReply(replyId).slideUp();
 253                         } else if (data.error == "auth-required") {
 254                                 alert("You need to be logged in.");
 255                         } else if (data.error == "not-authorized") {
 256                                 alert("You are not allowed to delete this reply.");
 257                         }
 258                 }, function(xmlHttpRequest, textStatus, error) {
 259                         /* ignore error. */
 260                 });
 261         });
 262 }
 263
 264 function getFormPassword() {
 265         return $("#sone #formPassword").text();
 266 }
 267
 268 /**
 269  * Returns the element of the Sone with the given ID.
 270  *
 271  * @param soneId
 272  *            The ID of the Sone
 273  * @returns All Sone elements with the given ID
 274  */
 275 function getSone(soneId) {
 276         return $("#sone .sone").filter(function(index) {
 277                 return $(".id", this).text() == soneId;
 278         });
 279 }
 280
 281 function getSoneElement(element) {
 282         return $(element).closest(".sone");
 283 }
 284
 285 /**
 286  * Returns the ID of the sone of the context menu that contains the given
 287  * element.
 288  *
 289  * @param element
 290  *            The element within a context menu to get the Sone ID for
 291  * @return The Sone ID
 292  */
 293 function getMenuSone(element) {
 294         return $(element).closest(".sone-menu").find(".sone-menu-id").text();
 295 }
 296
 297 /**
 298  * Generates a list of Sones by concatening the names of the given sones with a
 299  * new line character (“\n”).
 300  *
 301  * @param sones
 302  *            The sones to format
 303  * @returns {String} The created string
 304  */
 305 function generateSoneList(sones) {
 306         var soneList = "";
 307         $.each(sones, function() {
 308                 if (soneList != "") {
 309                         soneList += ", ";
 310                 }
 311                 soneList += this.name;
 312         });
 313         return soneList;
 314 }
 315
 316 /**
 317  * Returns the ID of the Sone that this element belongs to.
 318  *
 319  * @param element
 320  *            The element to locate the matching Sone ID for
 321  * @returns The ID of the Sone, or undefined
 322  */
 323 function getSoneId(element) {
 324         return getSoneElement(element).find(".id").text();
 325 }
 326
 327 /**
 328  * Returns the element of the post with the given ID.
 329  *
 330  * @param postId
 331  *            The ID of the post
 332  * @returns The element of the post
 333  */
 334 function getPost(postId) {
 335         return $("#sone .post#" + postId);
 336 }
 337
 338 function getPostElement(element) {
 339         return $(element).closest(".post");
 340 }
 341
 342 function getPostId(element) {
 343         return getPostElement(element).attr("id");
 344 }
 345
 346 function getPostTime(element) {
 347         return getPostElement(element).find(".post-time").text();
 348 }
 349
 350 /**
 351  * Returns the author of the post the given element belongs to.
 352  *
 353  * @param element
 354  *            The element whose post to get the author for
 355  * @returns The ID of the authoring Sone
 356  */
 357 function getPostAuthor(element) {
 358         return getPostElement(element).find(".post-author").text();
 359 }
 360
 361 /**
 362  * Returns the element of the reply with the given ID.
 363  *
 364  * @param replyId
 365  *            The ID of the reply
 366  * @returns The element of the reply
 367  */
 368 function getReply(replyId) {
 369         return $("#sone .reply#" + replyId);
 370 }
 371
 372 function getReplyElement(element) {
 373         return $(element).closest(".reply");
 374 }
 375
 376 function getReplyId(element) {
 377         return getReplyElement(element).attr("id");
 378 }
 379
 380 function getReplyTime(element) {
 381         return getReplyElement(element).find(".reply-time").text();
 382 }
 383
 384 /**
 385  * Returns the author of the reply the given element belongs to.
 386  *
 387  * @param element
 388  *            The element whose reply to get the author for
 389  * @returns The ID of the authoring Sone
 390  */
 391 function getReplyAuthor(element) {
 392         return getReplyElement(element).find(".reply-author").text();
 393 }
 394
 395 /**
 396  * Returns the notification with the given ID.
 397  *
 398  * @param notificationId
 399  *            The ID of the notification
 400  * @returns The notification element
 401  */
 402 function getNotification(notificationId) {
 403         return $("#sone #notification-area .notification#" + notificationId);
 404 }
 405
 406 /**
 407  * Returns the notification element closest to the given element.
 408  *
 409  * @param element
 410  *            The element to get the closest notification of
 411  * @return The closest notification element
 412  */
 413 function getNotificationElement(element) {
 414         return $(element).closest(".notification");
 415 }
 416
 417 /**
 418  * Returns the ID of the notification element.
 419  *
 420  * @param notificationElement
 421  *            The notification element
 422  * @returns The ID of the notification
 423  */
 424 function getNotificationId(notificationElement) {
 425         return $(notificationElement).attr("id");
 426 }
 427
 428 /**
 429  * Returns the time the notification was last updated.
 430  *
 431  * @param notificationElement
 432  *            The notification element
 433  * @returns The last update time of the notification
 434  */
 435 function getNotificationLastUpdatedTime(notificationElement) {
 436         return $(notificationElement).attr("lastUpdatedTime");
 437 }
 438
 439 function likePost(postId) {
 440         ajaxGet("like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 441                 if ((data == null) || !data.success) {
 442                         return;
 443                 }
 444                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
 445                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
 446                 updatePostLikes(postId);
 447         }, function(xmlHttpRequest, textStatus, error) {
 448                 /* ignore error. */
 449         });
 450 }
 451
 452 function unlikePost(postId) {
 453         ajaxGet("unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 454                 if ((data == null) || !data.success) {
 455                         return;
 456                 }
 457                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
 458                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
 459                 updatePostLikes(postId);
 460         }, function(xmlHttpRequest, textStatus, error) {
 461                 /* ignore error. */
 462         });
 463 }
 464
 465 function updatePostLikes(postId) {
 466         ajaxGet("getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
 467                 if ((data != null) && data.success) {
 468                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0);
 469                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
 470                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
 471                 }
 472         }, function(xmlHttpRequest, textStatus, error) {
 473                 /* ignore error. */
 474         });
 475 }
 476
 477 function likeReply(replyId) {
 478         ajaxGet("like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 479                 if ((data == null) || !data.success) {
 480                         return;
 481                 }
 482                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
 483                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
 484                 updateReplyLikes(replyId);
 485         }, function(xmlHttpRequest, textStatus, error) {
 486                 /* ignore error. */
 487         });
 488 }
 489
 490 function unlikeReply(replyId) {
 491         ajaxGet("unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 492                 if ((data == null) || !data.success) {
 493                         return;
 494                 }
 495                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
 496                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
 497                 updateReplyLikes(replyId);
 498         }, function(xmlHttpRequest, textStatus, error) {
 499                 /* ignore error. */
 500         });
 501 }
 502
 503 /**
 504  * Trusts the Sone with the given ID.
 505  *
 506  * @param soneId
 507  *            The ID of the Sone to trust
 508  */
 509 function trustSone(soneId) {
 510         ajaxGet("trustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 511                 if ((data != null) && data.success) {
 512                         updateTrustControls(soneId, data.trustValue);
 513                 }
 514         });
 515 }
 516
 517 /**
 518  * Distrusts the Sone with the given ID, i.e. assigns a negative trust value.
 519  *
 520  * @param soneId
 521  *            The ID of the Sone to distrust
 522  */
 523 function distrustSone(soneId) {
 524         ajaxGet("distrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 525                 if ((data != null) && data.success) {
 526                         updateTrustControls(soneId, data.trustValue);
 527                 }
 528         });
 529 }
 530
 531 /**
 532  * Untrusts the Sone with the given ID, i.e. removes any trust assignment.
 533  *
 534  * @param soneId
 535  *            The ID of the Sone to untrust
 536  */
 537 function untrustSone(soneId) {
 538         ajaxGet("untrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 539                 if ((data != null) && data.success) {
 540                         updateTrustControls(soneId, data.trustValue);
 541                 }
 542         });
 543 }
 544
 545 /**
 546  * Updates the trust controls for all posts and replies of the given Sone,
 547  * according to the given trust value.
 548  *
 549  * @param soneId
 550  *            The ID of the Sone to update all trust controls for
 551  * @param trustValue
 552  *            The trust value for the Sone
 553  */
 554 function updateTrustControls(soneId, trustValue) {
 555         $("#sone .post").each(function() {
 556                 if (getPostAuthor(this) == soneId) {
 557                         getPostElement(this).find(".post-trust").toggleClass("hidden", trustValue != null);
 558                         getPostElement(this).find(".post-distrust").toggleClass("hidden", trustValue != null);
 559                         getPostElement(this).find(".post-untrust").toggleClass("hidden", trustValue == null);
 560                 }
 561         });
 562         $("#sone .reply").each(function() {
 563                 if (getReplyAuthor(this) == soneId) {
 564                         getReplyElement(this).find(".reply-trust").toggleClass("hidden", trustValue != null);
 565                         getReplyElement(this).find(".reply-distrust").toggleClass("hidden", trustValue != null);
 566                         getReplyElement(this).find(".reply-untrust").toggleClass("hidden", trustValue == null);
 567                 }
 568         });
 569 }
 570
 571 /**
 572  * Bookmarks the post with the given ID.
 573  *
 574  * @param postId
 575  *            The ID of the post to bookmark
 576  */
 577 function bookmarkPost(postId) {
 578         (function(postId) {
 579                 ajaxGet("bookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 580                         if ((data != null) && data.success) {
 581                                 getPost(postId).find(".bookmark").toggleClass("hidden", true);
 582                                 getPost(postId).find(".unbookmark").toggleClass("hidden", false);
 583                         }
 584                 });
 585         })(postId);
 586 }
 587
 588 /**
 589  * Unbookmarks the post with the given ID.
 590  *
 591  * @param postId
 592  *            The ID of the post to unbookmark
 593  */
 594 function unbookmarkPost(postId) {
 595         ajaxGet("unbookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 596                 if ((data != null) && data.success) {
 597                         getPost(postId).find(".bookmark").toggleClass("hidden", false);
 598                         getPost(postId).find(".unbookmark").toggleClass("hidden", true);
 599                 }
 600         });
 601 }
 602
 603 function updateReplyLikes(replyId) {
 604         ajaxGet("getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
 605                 if ((data != null) && data.success) {
 606                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0);
 607                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
 608                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
 609                 }
 610         }, function(xmlHttpRequest, textStatus, error) {
 611                 /* ignore error. */
 612         });
 613 }
 614
 615 /**
 616  * Posts a reply and calls the given callback when the request finishes.
 617  *
 618  * @param sender
 619  *            The ID of the sender
 620  * @param postId
 621  *            The ID of the post the reply refers to
 622  * @param text
 623  *            The text to post
 624  * @param callbackFunction
 625  *            The callback function to call when the request finishes (takes 3
 626  *            parameters: success, error, replyId)
 627  */
 628 function postReply(sender, postId, text, callbackFunction) {
 629         ajaxGet("createReply.ajax", { "formPassword" : getFormPassword(), "sender": sender, "post" : postId, "text": text }, function(data, textStatus) {
 630                 if (data == null) {
 631                         /* TODO - show error */
 632                         return;
 633                 }
 634                 if (data.success) {
 635                         callbackFunction(true, null, data.reply, data.sone);
 636                 } else {
 637                         callbackFunction(false, data.error);
 638                 }
 639         }, function(xmlHttpRequest, textStatus, error) {
 640                 /* ignore error. */
 641         });
 642 }
 643
 644 /**
 645  * Ajaxifies the given Sone by enhancing all eligible elements with AJAX.
 646  *
 647  * @param soneElement
 648  *            The Sone to ajaxify
 649  */
 650 function ajaxifySone(soneElement) {
 651         /*
 652          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
 653          * nicer.
 654          */
 655         $(".follow", soneElement).submit(function() {
 656                 var followElement = this;
 657                 ajaxGet("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 658                         $(followElement).addClass("hidden");
 659                         $(followElement).parent().find(".unfollow").removeClass("hidden");
 660                 });
 661                 return false;
 662         });
 663         $(".unfollow", soneElement).submit(function() {
 664                 var unfollowElement = this;
 665                 ajaxGet("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 666                         $(unfollowElement).addClass("hidden");
 667                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
 668                 });
 669                 return false;
 670         });
 671         $(".lock", soneElement).submit(function() {
 672                 var lockElement = this;
 673                 ajaxGet("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 674                         $(lockElement).addClass("hidden");
 675                         $(lockElement).parent().find(".unlock").removeClass("hidden");
 676                 });
 677                 return false;
 678         });
 679         $(".unlock", soneElement).submit(function() {
 680                 var unlockElement = this;
 681                 ajaxGet("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 682                         $(unlockElement).addClass("hidden");
 683                         $(unlockElement).parent().find(".lock").removeClass("hidden");
 684                 });
 685                 return false;
 686         });
 687
 688         /* mark Sone as known when clicking it. */
 689         $(soneElement).click(function() {
 690                 markSoneAsKnown(this);
 691         });
 692 }
 693
 694 /**
 695  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
 696  *
 697  * @param postElement
 698  *            The post element to ajaxify
 699  */
 700 function ajaxifyPost(postElement) {
 701         $(postElement).find("form").submit(function() {
 702                 return false;
 703         });
 704         $(postElement).find(".create-reply button:submit").click(function() {
 705                 button = $(this);
 706                 button.attr("disabled", "disabled");
 707                 sender = $(this.form).find(":input[name=sender]").val();
 708                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
 709                 postId = getPostId(this);
 710                 text = $(inputField).val();
 711                 (function(sender, postId, text, inputField) {
 712                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
 713                                 if (success) {
 714                                         $(inputField).val("");
 715                                         loadNewReply(replyId, soneId, postId);
 716                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 717                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
 718                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
 719                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
 720                                 } else {
 721                                         alert(error);
 722                                 }
 723                                 button.removeAttr("disabled");
 724                         });
 725                 })(sender, postId, text, inputField);
 726                 return false;
 727         });
 728
 729         /* replace all “delete” buttons with javascript. */
 730         (function(postElement) {
 731                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 732                         postId = getPostId(postElement);
 733                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 734                 });
 735         })(postElement);
 736
 737         /* convert all “like” buttons to javascript functions. */
 738         $(postElement).find(".like-post").submit(function() {
 739                 likePost(getPostId(this));
 740                 return false;
 741         });
 742         $(postElement).find(".unlike-post").submit(function() {
 743                 unlikePost(getPostId(this));
 744                 return false;
 745         });
 746
 747         /* convert trust control buttons to javascript functions. */
 748         $(postElement).find(".post-trust").submit(function() {
 749                 trustSone(getPostAuthor(this));
 750                 return false;
 751         });
 752         $(postElement).find(".post-distrust").submit(function() {
 753                 distrustSone(getPostAuthor(this));
 754                 return false;
 755         });
 756         $(postElement).find(".post-untrust").submit(function() {
 757                 untrustSone(getPostAuthor(this));
 758                 return false;
 759         });
 760
 761         /* convert bookmark/unbookmark buttons to javascript functions. */
 762         $(postElement).find(".bookmark").submit(function() {
 763                 bookmarkPost(getPostId(this));
 764                 return false;
 765         });
 766         $(postElement).find(".unbookmark").submit(function() {
 767                 unbookmarkPost(getPostId(this));
 768                 return false;
 769         });
 770
 771         /* convert “show source” link into javascript function. */
 772         $(postElement).find(".show-source").each(function() {
 773                 $("a", this).click(function() {
 774                         post = getPostElement(this);
 775                         rawPostText = $(".post-text.raw-text", post);
 776                         rawPostText.toggleClass("hidden");
 777                         if (rawPostText.hasClass("hidden")) {
 778                                 $(".post-text.short-text", post).removeClass("hidden");
 779                                 $(".post-text.text", post).addClass("hidden");
 780                                 $(".expand-post-text", post).removeClass("hidden");
 781                                 $(".shrink-post-text", post).addClass("hidden");
 782                         } else {
 783                                 $(".post-text.short-text", post).addClass("hidden");
 784                                 $(".post-text.text", post).addClass("hidden");
 785                                 $(".expand-post-text", post).addClass("hidden");
 786                                 $(".shrink-post-text", post).addClass("hidden");
 787                         }
 788                         return false;
 789                 });
 790         });
 791
 792         /* convert “show more” link into javascript function. */
 793         $(postElement).find(".expand-post-text").each(function() {
 794                 $(this).click(function() {
 795                         $(".post-text.text", getPostElement(this)).toggleClass("hidden");
 796                         $(".post-text.short-text", getPostElement(this)).toggleClass("hidden");
 797                         $(".expand-post-text", getPostElement(this)).toggleClass("hidden");
 798                         $(".shrink-post-text", getPostElement(this)).toggleClass("hidden");
 799                         return false;
 800                 });
 801         });
 802         $(postElement).find(".shrink-post-text").each(function() {
 803                 $(this).click(function() {
 804                         $(".post-text.text", getPostElement(this)).toggleClass("hidden");
 805                         $(".post-text.short-text", getPostElement(this)).toggleClass("hidden");
 806                         $(".expand-post-text", getPostElement(this)).toggleClass("hidden");
 807                         $(".shrink-post-text", getPostElement(this)).toggleClass("hidden");
 808                         return false;
 809                 })
 810         });
 811
 812         /* ajaxify author/post links */
 813         $(".post-status-line .permalink a", postElement).click(function() {
 814                 if (!$(".create-reply", postElement).hasClass("hidden")) {
 815                         textArea = $("input.reply-input", postElement).focus().data("textarea");
 816                         $(textArea).replaceSelection($(this).attr("href"));
 817                 }
 818                 return false;
 819         });
 820
 821         /* add “comment” link. */
 822         addCommentLink(getPostId(postElement), getPostAuthor(postElement), postElement, $(postElement).find(".post-status-line .permalink-author"));
 823
 824         /* process all replies. */
 825         replyIds = [];
 826         $(postElement).find(".reply").each(function() {
 827                 replyIds.push(getReplyId(this));
 828                 ajaxifyReply(this);
 829         });
 830         updateReplyTimes(replyIds.join(","));
 831
 832         /* process reply input fields. */
 833         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 834                 $(postElement).find("input.reply-input").each(function() {
 835                         registerInputTextareaSwap(this, text, "text", false, false);
 836                 });
 837         });
 838
 839         /* process sender selection. */
 840         $(".select-sender", postElement).css("display", "inline");
 841         $(".sender", postElement).hide();
 842         $(".select-sender button", postElement).click(function() {
 843                 $(".sender", postElement).show();
 844                 $(".select-sender", postElement).hide();
 845                 return false;
 846         });
 847
 848         /* mark everything as known on click. */
 849         $(postElement).click(function(event) {
 850                 if ($(event.target).hasClass("click-to-show")) {
 851                         return false;
 852                 }
 853                 markPostAsKnown(this);
 854         });
 855
 856         /* hide reply input field. */
 857         $(postElement).find(".create-reply").addClass("hidden");
 858
 859         /* show Sone menu when hovering over the avatar. */
 860         $(postElement).find(".post-avatar").mouseover(function() {
 861                 $(".sone-menu:visible").fadeOut();
 862                 $(".sone-post-menu", postElement).mouseleave(function() {
 863                         $(this).fadeOut();
 864                 }).fadeIn();
 865                 return false;
 866         });
 867         (function(postElement) {
 868                 var soneId = $(".sone-menu-id", postElement).text();
 869                 $(".sone-post-menu .follow", postElement).click(function() {
 870                         var followElement = this;
 871                         ajaxGet("followSone.ajax", { "sone": soneId, "formPassword": getFormPassword() }, function() {
 872                                 $(followElement).addClass("hidden");
 873                                 $(followElement).parent().find(".unfollow").removeClass("hidden");
 874                                 $("#sone .sone-menu").each(function() {
 875                                         if (getMenuSone(this) == soneId) {
 876                                                 $(".follow", this).toggleClass("hidden", true);
 877                                                 $(".unfollow", this).toggleClass("hidden", false);
 878                                         }
 879                                 });
 880                         });
 881                         return false;
 882                 });
 883                 $(".sone-post-menu .unfollow", postElement).click(function() {
 884                         var unfollowElement = this;
 885                         ajaxGet("unfollowSone.ajax", { "sone": soneId, "formPassword": getFormPassword() }, function() {
 886                                 $(unfollowElement).addClass("hidden");
 887                                 $(unfollowElement).parent().find(".follow").removeClass("hidden");
 888                                 $("#sone .sone-menu").each(function() {
 889                                         if (getMenuSone(this) == soneId) {
 890                                                 $(".follow", this).toggleClass("hidden", false);
 891                                                 $(".unfollow", this).toggleClass("hidden", true);
 892                                         }
 893                                 });
 894                         });
 895                         return false;
 896                 });
 897         })(postElement);
 898 }
 899
 900 /**
 901  * Ajaxifies the given reply element.
 902  *
 903  * @param replyElement
 904  *            The reply element to ajaxify
 905  */
 906 function ajaxifyReply(replyElement) {
 907         $(replyElement).find(".like-reply").submit(function() {
 908                 likeReply(getReplyId(this));
 909                 return false;
 910         });
 911         $(replyElement).find(".unlike-reply").submit(function() {
 912                 unlikeReply(getReplyId(this));
 913                 return false;
 914         });
 915         (function(replyElement) {
 916                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 917                         $(replyElement).find(".delete-reply button").each(function() {
 918                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 919                         });
 920                 });
 921         })(replyElement);
 922
 923         /* ajaxify author links */
 924         $(".reply-status-line .permalink a", replyElement).click(function() {
 925                 if (!$(".create-reply", getPostElement(replyElement)).hasClass("hidden")) {
 926                         textArea = $("input.reply-input", getPostElement(replyElement)).focus().data("textarea");
 927                         $(textArea).replaceSelection($(this).attr("href"));
 928                 }
 929                 return false;
 930         });
 931
 932         addCommentLink(getPostId(replyElement), getReplyAuthor(replyElement), replyElement, $(replyElement).find(".reply-status-line .permalink-author"));
 933
 934         /* convert “show source” link into javascript function. */
 935         $(replyElement).find(".show-reply-source").each(function() {
 936                 $("a", this).click(function() {
 937                         reply = getReplyElement(this);
 938                         rawReplyText = $(".reply-text.raw-text", reply);
 939                         rawReplyText.toggleClass("hidden");
 940                         if (rawReplyText.hasClass("hidden")) {
 941                                 $(".reply-text.short-text", reply).removeClass("hidden");
 942                                 $(".reply-text.text", reply).addClass("hidden");
 943                                 $(".expand-reply-text", reply).removeClass("hidden");
 944                                 $(".shrink-reply-text", reply).addClass("hidden");
 945                         } else {
 946                                 $(".reply-text.short-text", reply).addClass("hidden");
 947                                 $(".reply-text.text", reply).addClass("hidden");
 948                                 $(".expand-reply-text", reply).addClass("hidden");
 949                                 $(".shrink-reply-text", reply).addClass("hidden");
 950                         }
 951                         return false;
 952                 });
 953         });
 954
 955         /* convert “show more” link into javascript function. */
 956         $(replyElement).find(".expand-reply-text").each(function() {
 957                 $(this).click(function() {
 958                         $(".reply-text.text", getReplyElement(this)).toggleClass("hidden");
 959                         $(".reply-text.short-text", getReplyElement(this)).toggleClass("hidden");
 960                         $(".expand-reply-text", getReplyElement(this)).toggleClass("hidden");
 961                         $(".shrink-reply-text", getReplyElement(this)).toggleClass("hidden");
 962                         return false;
 963                 });
 964         });
 965         $(replyElement).find(".shrink-reply-text").each(function() {
 966                 $(this).click(function() {
 967                         $(".reply-text.text", getReplyElement(this)).toggleClass("hidden");
 968                         $(".reply-text.short-text", getReplyElement(this)).toggleClass("hidden");
 969                         $(".expand-reply-text", getReplyElement(this)).toggleClass("hidden");
 970                         $(".shrink-reply-text", getReplyElement(this)).toggleClass("hidden");
 971                         return false;
 972                 });
 973         });
 974
 975         /* convert trust control buttons to javascript functions. */
 976         $(replyElement).find(".reply-trust").submit(function() {
 977                 trustSone(getReplyAuthor(this));
 978                 return false;
 979         });
 980         $(replyElement).find(".reply-distrust").submit(function() {
 981                 distrustSone(getReplyAuthor(this));
 982                 return false;
 983         });
 984         $(replyElement).find(".reply-untrust").submit(function() {
 985                 untrustSone(getReplyAuthor(this));
 986                 return false;
 987         });
 988
 989         /* show Sone menu when hovering over the avatar. */
 990         $(replyElement).find(".reply-avatar").mouseover(function() {
 991                 $(".sone-menu:visible").fadeOut();
 992                 $(".sone-reply-menu", replyElement).mouseleave(function() {
 993                         $(this).fadeOut();
 994                 }).fadeIn();
 995                 return false;
 996         });
 997         (function(replyElement) {
 998                 var soneId = $(".sone-menu-id", replyElement).text();
 999                 $(".sone-menu .follow", replyElement).click(function() {
1000                         var followElement = this;
1001                         ajaxGet("followSone.ajax", { "sone": soneId, "formPassword": getFormPassword() }, function() {
1002                                 $(followElement).addClass("hidden");
1003                                 $(followElement).parent().find(".unfollow").removeClass("hidden");
1004                                 $("#sone .sone-menu").each(function() {
1005                                         if (getMenuSone(this) == soneId) {
1006                                                 $(".follow", this).toggleClass("hidden", true);
1007                                                 $(".unfollow", this).toggleClass("hidden", false);
1008                                         }
1009                                 });
1010                         });
1011                         return false;
1012                 });
1013                 $(".sone-menu .unfollow", replyElement).click(function() {
1014                         var unfollowElement = this;
1015                         ajaxGet("unfollowSone.ajax", { "sone": soneId, "formPassword": getFormPassword() }, function() {
1016                                 $(unfollowElement).addClass("hidden");
1017                                 $(unfollowElement).parent().find(".follow").removeClass("hidden");
1018                                 $("#sone .sone-menu").each(function() {
1019                                         if (getMenuSone(this) == soneId) {
1020                                                 $(".follow", this).toggleClass("hidden", false);
1021                                                 $(".unfollow", this).toggleClass("hidden", true);
1022                                         }
1023                                 });
1024                         });
1025                         return false;
1026                 });
1027         })(replyElement);
1028 }
1029
1030 /**
1031  * Ajaxifies the given notification by replacing the form with AJAX.
1032  *
1033  * @param notification
1034  *            jQuery object representing the notification.
1035  */
1036 function ajaxifyNotification(notification) {
1037         notification.find("form").submit(function() {
1038                 return false;
1039         });
1040         notification.find("input[name=returnPage]").val($.url.attr("relative"));
1041         if (notification.find(".short-text").length > 0) {
1042                 notification.find(".short-text").removeClass("hidden");
1043                 notification.find(".text").addClass("hidden");
1044         }
1045         notification.find("form.mark-as-read button").click(function() {
1046                 allIds = $(":input[name=id]", this.form).val().split(" ");
1047                 for (index = 0; index < allIds.length; index += 16) {
1048                         ids = allIds.slice(index, index + 16).join(" ");
1049                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": ids});
1050                 }
1051         });
1052         notification.find("a[class^='link-']").each(function() {
1053                 linkElement = $(this);
1054                 if (linkElement.is("[href^='viewPost']")) {
1055                         id = linkElement.attr("class").substr(5);
1056                         if (hasPost(id)) {
1057                                 linkElement.attr("href", "#post-" + id).addClass("in-page-link");
1058                         }
1059                 }
1060         });
1061         notification.find("form.dismiss button").click(function() {
1062                 ajaxGet("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
1063                         /* dismiss in case of error, too. */
1064                         notification.slideUp();
1065                 }, function(xmlHttpRequest, textStatus, error) {
1066                         /* ignore error. */
1067                 });
1068         });
1069         return notification;
1070 }
1071
1072 /**
1073  * Retrieves element IDs from notification elements.
1074  *
1075  * @param notification
1076  *            The notification element
1077  * @param selector
1078  *            The selector of the element containing the ID as text
1079  * @returns All extracted IDs
1080  */
1081 function getElementIds(notification, selector) {
1082         elementIds = [];
1083         $(selector, notification).each(function() {
1084                 elementIds.push($(this).text());
1085         });
1086         return elementIds;
1087 }
1088
1089 /**
1090  * Compares the given notification elements and calls {@link #markSoneAsKnown()}
1091  * for every ID that is contained in the old notification but not in the new.
1092  *
1093  * @param oldNotification
1094  *            The old notification element
1095  * @param newNotification
1096  *            The new notification element
1097  */
1098 function checkForRemovedSones(oldNotification, newNotification) {
1099         if (getNotificationId(oldNotification) != "new-sone-notification") {
1100                 return;
1101         }
1102         oldIds = getElementIds(oldNotification, ".new-sone-id");
1103         newIds = getElementIds(newNotification, ".new-sone-id");
1104         $.each(oldIds, function(index, value) {
1105                 if ($.inArray(value, newIds) == -1) {
1106                         markSoneAsKnown(getSone(value), true);
1107                 }
1108         });
1109 }
1110
1111 /**
1112  * Compares the given notification elements and calls {@link #markPostAsKnown()}
1113  * for every ID that is contained in the old notification but not in the new.
1114  *
1115  * @param oldNotification
1116  *            The old notification element
1117  * @param newNotification
1118  *            The new notification element
1119  */
1120 function checkForRemovedPosts(oldNotification, newNotification) {
1121         if (getNotificationId(oldNotification) != "new-post-notification") {
1122                 return;
1123         }
1124         oldIds = getElementIds(oldNotification, ".post-id");
1125         newIds = getElementIds(newNotification, ".post-id");
1126         $.each(oldIds, function(index, value) {
1127                 if ($.inArray(value, newIds) == -1) {
1128                         markPostAsKnown(getPost(value), true);
1129                 }
1130         });
1131 }
1132
1133 /**
1134  * Compares the given notification elements and calls
1135  * {@link #markReplyAsKnown()} for every ID that is contained in the old
1136  * notification but not in the new.
1137  *
1138  * @param oldNotification
1139  *            The old notification element
1140  * @param newNotification
1141  *            The new notification element
1142  */
1143 function checkForRemovedReplies(oldNotification, newNotification) {
1144         if (getNotificationId(oldNotification) != "new-reply-notification") {
1145                 return;
1146         }
1147         oldIds = getElementIds(oldNotification, ".reply-id");
1148         newIds = getElementIds(newNotification, ".reply-id");
1149         $.each(oldIds, function(index, value) {
1150                 if ($.inArray(value, newIds) == -1) {
1151                         markReplyAsKnown(getReply(value), true);
1152                 }
1153         });
1154 }
1155
1156 function getStatus() {
1157         ajaxGet("getStatus.ajax", isViewSonePage() ? {"soneIds": getShownSoneId() } : {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
1158                 if ((data != null) && data.success) {
1159                         /* process Sone information. */
1160                         $.each(data.sones, function(index, value) {
1161                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated, value.lastUpdatedText);
1162                         });
1163                         notLoggedIn = !data.loggedIn;
1164                         if (!notLoggedIn) {
1165                                 showOfflineMarker(!online);
1166                         }
1167                         /* search for removed notifications. */
1168                         $("#sone #notification-area .notification").each(function() {
1169                                 notificationId = $(this).attr("id");
1170                                 foundNotification = false;
1171                                 $.each(data.notifications, function(index, value) {
1172                                         if (value.id == notificationId) {
1173                                                 foundNotification = true;
1174                                                 return false;
1175                                         }
1176                                 });
1177                                 if (!foundNotification) {
1178                                         if (notificationId == "new-sone-notification") {
1179                                                 $(".new-sone-id", this).each(function(index, element) {
1180                                                         soneId = $(this).text();
1181                                                         markSoneAsKnown(getSone(soneId), true);
1182                                                 });
1183                                         } else if (notificationId == "new-post-notification") {
1184                                                 $(".post-id", this).each(function(index, element) {
1185                                                         postId = $(this).text();
1186                                                         markPostAsKnown(getPost(postId), true);
1187                                                 });
1188                                         } else if (notificationId == "new-reply-notification") {
1189                                                 $(".reply-id", this).each(function(index, element) {
1190                                                         replyId = $(this).text();
1191                                                         markReplyAsKnown(getReply(replyId), true);
1192                                                 });
1193                                         }
1194                                         $(this).slideUp("normal", function() {
1195                                                 $(this).remove();
1196                                                 /* remove activity when no notifications are visible. */
1197                                                 if ($("#sone #notification-area .notification").length == 0) {
1198                                                         resetActivity();
1199                                                 }
1200                                         });
1201                                 }
1202                         });
1203                         /* process notifications. */
1204                         notificationIds = [];
1205                         $.each(data.notifications, function(index, value) {
1206                                 oldNotification = getNotification(value.id);
1207                                 if ((oldNotification.length == 0) || (value.lastUpdatedTime > getNotificationLastUpdatedTime(oldNotification))) {
1208                                         notificationIds.push(value.id);
1209                                 }
1210                         });
1211                         if (notificationIds.length > 0) {
1212                                 loadNotifications(notificationIds);
1213                         }
1214                         /* process new posts. */
1215                         $.each(data.newPosts, function(index, value) {
1216                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
1217                         });
1218                         /* process new replies. */
1219                         $.each(data.newReplies, function(index, value) {
1220                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
1221                         });
1222                         /* do it again in 5 seconds. */
1223                         setTimeout(getStatus, 5000);
1224                 } else {
1225                         /* data.success was false, wait 30 seconds. */
1226                         setTimeout(getStatus, 30000);
1227                 }
1228         }, function() {
1229                 statusRequestQueued = false;
1230                 ajaxError();
1231         });
1232 }
1233
1234 /**
1235  * Requests multiple notifications from Sone and displays them.
1236  *
1237  * @param notificationIds
1238  *            Array of IDs of the notifications to load
1239  */
1240 function loadNotifications(notificationIds) {
1241         ajaxGet("getNotification.ajax", {"notifications": notificationIds.join(",")}, function(data, textStatus) {
1242                 if (!data || !data.success) {
1243                         // TODO - show error
1244                         return;
1245                 }
1246                 $.each(data.notifications, function(index, value) {
1247                         oldNotification = getNotification(value.id);
1248                         notification = ajaxifyNotification(createNotification(value.id, value.lastUpdatedTime, value.text, value.dismissable)).hide();
1249                         if (oldNotification.length != 0) {
1250                                 if ((oldNotification.find(".short-text").length > 0) && (notification.find(".short-text").length > 0)) {
1251                                         opened = oldNotification.is(":visible") && oldNotification.find(".short-text").hasClass("hidden");
1252                                         notification.find(".short-text").toggleClass("hidden", opened);
1253                                         notification.find(".text").toggleClass("hidden", !opened);
1254                                 }
1255                                 checkForRemovedSones(oldNotification, notification);
1256                                 checkForRemovedPosts(oldNotification, notification);
1257                                 checkForRemovedReplies(oldNotification, notification);
1258                                 oldNotification.replaceWith(notification.show());
1259                         } else {
1260                                 $("#sone #notification-area").append(notification);
1261                                 if (value.id.substring(0, 5) != "local") {
1262                                         notification.slideDown();
1263                                         setActivity();
1264                                 }
1265                         }
1266                 });
1267         });
1268 }
1269
1270 /**
1271  * Returns the ID of the currently logged in Sone.
1272  *
1273  * @return The ID of the current Sone, or an empty string if no Sone is logged
1274  *         in
1275  */
1276 function getCurrentSoneId() {
1277         return $("#currentSoneId").text();
1278 }
1279
1280 /**
1281  * Returns the content of the page-id attribute.
1282  *
1283  * @returns The page ID
1284  */
1285 function getPageId() {
1286         return $("#sone .page-id").text();
1287 }
1288
1289 /**
1290  * Returns whether the current page is the index page.
1291  *
1292  * @returns {Boolean} <code>true</code> if the current page is the index page,
1293  *          <code>false</code> otherwise
1294  */
1295 function isIndexPage() {
1296         return getPageId() == "index";
1297 }
1298
1299 /**
1300  * Returns the current page of the selected pagination. If no pagination can be
1301  * found with the given selector, {@code 1} is returned.
1302  *
1303  * @param paginationSelector
1304  *            The pagination selector
1305  * @returns The current page of the pagination
1306  */
1307 function getPage(paginationSelector) {
1308         pagination = $(paginationSelector);
1309         if (pagination.length > 0) {
1310                 return $(".current-page", paginationSelector).text();
1311         }
1312         return 1;
1313 }
1314
1315 /**
1316  * Returns whether the current page is a “view Sone” page.
1317  *
1318  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
1319  *          page, <code>false</code> otherwise
1320  */
1321 function isViewSonePage() {
1322         return getPageId() == "view-sone";
1323 }
1324
1325 /**
1326  * Returns the ID of the currently shown Sone. This will only return a sensible
1327  * value if isViewSonePage() returns <code>true</code>.
1328  *
1329  * @returns The ID of the currently shown Sone
1330  */
1331 function getShownSoneId() {
1332         return $("#sone .sone-id").text();
1333 }
1334
1335 /**
1336  * Returns whether the current page is a “view post” page.
1337  *
1338  * @returns {Boolean} <code>true</code> if the current page is a “view post”
1339  *          page, <code>false</code> otherwise
1340  */
1341 function isViewPostPage() {
1342         return getPageId() == "view-post";
1343 }
1344
1345 /**
1346  * Returns the ID of the currently shown post. This will only return a sensible
1347  * value if isViewPostPage() returns <code>true</code>.
1348  *
1349  * @returns The ID of the currently shown post
1350  */
1351 function getShownPostId() {
1352         return $("#sone .post-id").text();
1353 }
1354
1355 /**
1356  * Returns whether the current page is the “known Sones” page.
1357  *
1358  * @returns {Boolean} <code>true</code> if the current page is the “known
1359  *          Sones” page, <code>false</code> otherwise
1360  */
1361 function isKnownSonesPage() {
1362         return getPageId() == "known-sones";
1363 }
1364
1365 /**
1366  * Returns whether a post with the given ID exists on the current page.
1367  *
1368  * @param postId
1369  *            The post ID to check for
1370  * @returns {Boolean} <code>true</code> if a post with the given ID already
1371  *          exists on the page, <code>false</code> otherwise
1372  */
1373 function hasPost(postId) {
1374         return $(".post#" + postId).length > 0;
1375 }
1376
1377 /**
1378  * Returns whether a reply with the given ID exists on the current page.
1379  *
1380  * @param replyId
1381  *            The reply ID to check for
1382  * @returns {Boolean} <code>true</code> if a reply with the given ID already
1383  *          exists on the page, <code>false</code> otherwise
1384  */
1385 function hasReply(replyId) {
1386         return $("#sone .reply#" + replyId).length > 0;
1387 }
1388
1389 function loadNewPost(postId, soneId, recipientId, time) {
1390         if (hasPost(postId)) {
1391                 return;
1392         }
1393         if (!isIndexPage() || (getPage(".pagination-index") > 1)) {
1394                 if (!isViewPostPage() || (getShownPostId() != postId)) {
1395                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId)) || (getPage(".post-navigation") > 1)) {
1396                                 return;
1397                         }
1398                 }
1399         }
1400         if (getPostTime($("#sone .post").last()) > time) {
1401                 return;
1402         }
1403         ajaxGet("getPost.ajax", { "post" : postId }, function(data, textStatus) {
1404                 if ((data != null) && data.success) {
1405                         if (hasPost(data.post.id)) {
1406                                 return;
1407                         }
1408                         if ((!isIndexPage() || (getPage(".pagination-index") > 1)) && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient) || (getPage(".post-navigation") > 1)))) {
1409                                 return;
1410                         }
1411                         var firstOlderPost = null;
1412                         $("#sone .post").each(function() {
1413                                 if (getPostTime(this) < data.post.time) {
1414                                         firstOlderPost = $(this);
1415                                         return false;
1416                                 }
1417                         });
1418                         newPost = $(data.post.html).addClass("hidden");
1419                         if ($(".post-author-local", newPost).text() == "true") {
1420                                 newPost.removeClass("new");
1421                         }
1422                         if (firstOlderPost != null) {
1423                                 newPost.insertBefore(firstOlderPost);
1424                         }
1425                         ajaxifyPost(newPost);
1426                         updatePostTimes(data.post.id);
1427                         newPost.slideDown();
1428                         setActivity();
1429                 }
1430         });
1431 }
1432
1433 function loadNewReply(replyId, soneId, postId, postSoneId) {
1434         if (hasReply(replyId)) {
1435                 return;
1436         }
1437         if (!hasPost(postId)) {
1438                 return;
1439         }
1440         ajaxGet("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
1441                 /* find post. */
1442                 if ((data != null) && data.success) {
1443                         if (hasReply(data.reply.id)) {
1444                                 return;
1445                         }
1446                         $("#sone .post#" + data.reply.postId).each(function() {
1447                                 var firstNewerReply = null;
1448                                 $(this).find(".replies .reply").each(function() {
1449                                         if (getReplyTime(this) > data.reply.time) {
1450                                                 firstNewerReply = $(this);
1451                                                 return false;
1452                                         }
1453                                 });
1454                                 newReply = $(data.reply.html).addClass("hidden");
1455                                 if ($(".reply-author-local", newReply).text() == "true") {
1456                                         newReply.removeClass("new");
1457                                         (function(newReply) {
1458                                                 setTimeout(function() {
1459                                                         markReplyAsKnown(newReply, false);
1460                                                 }, 5000);
1461                                         })(newReply);
1462                                 }
1463                                 if (firstNewerReply != null) {
1464                                         newReply.insertBefore(firstNewerReply);
1465                                 } else {
1466                                         if ($(this).find(".replies .create-reply")) {
1467                                                 $(this).find(".replies .create-reply").before(newReply);
1468                                         } else {
1469                                                 $(this).find(".replies").append(newReply);
1470                                         }
1471                                 }
1472                                 ajaxifyReply(newReply);
1473                                 updateReplyTimes(data.reply.id);
1474                                 newReply.slideDown();
1475                                 setActivity();
1476                                 return false;
1477                         });
1478                 }
1479         });
1480 }
1481
1482 /**
1483  * Marks the given Sone as known if it is still new.
1484  *
1485  * @param soneElement
1486  *            The Sone to mark as known
1487  * @param skipRequest
1488  *            true to skip the JSON request, false or omit to perform the JSON
1489  *            request
1490  */
1491 function markSoneAsKnown(soneElement, skipRequest) {
1492         if ($(soneElement).is(".new")) {
1493                 $(soneElement).removeClass("new");
1494                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1495                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)});
1496                 }
1497         }
1498 }
1499
1500 function markPostAsKnown(postElements, skipRequest) {
1501         $(postElements).each(function() {
1502                 postElement = this;
1503                 if ($(postElement).hasClass("new") || ((typeof skipRequest != "undefined"))) {
1504                         (function(postElement) {
1505                                 $(postElement).removeClass("new");
1506                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1507                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)});
1508                                 }
1509                         })(postElement);
1510                 }
1511                 $(".click-to-show", postElement).removeClass("new");
1512         });
1513         markReplyAsKnown($(postElements).find(".reply"));
1514 }
1515
1516 function markReplyAsKnown(replyElements, skipRequest) {
1517         $(replyElements).each(function() {
1518                 replyElement = this;
1519                 if ($(replyElement).hasClass("new") || ((typeof skipRequest != "undefined"))) {
1520                         (function(replyElement) {
1521                                 $(replyElement).removeClass("new");
1522                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1523                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)});
1524                                 }
1525                         })(replyElement);
1526                 }
1527         });
1528 }
1529
1530 /**
1531  * Updates the time of the post with the given ID.
1532  *
1533  * @param postId
1534  *            The ID of the post to update
1535  * @param timeText
1536  *            The text of the time to show
1537  * @param refreshTime
1538  *            The refresh time after which to request a new time (in seconds)
1539  * @param tooltip
1540  *            The tooltip to show
1541  */
1542 function updatePostTime(postId, timeText, refreshTime, tooltip) {
1543         if (!getPost(postId).is(":visible")) {
1544                 return;
1545         }
1546         getPost(postId).find(".post-status-line > .time a").html(timeText).attr("title", tooltip);
1547         (function(postId, refreshTime) {
1548                 setTimeout(function() {
1549                         updatePostTimes(postId);
1550                 }, refreshTime * 1000);
1551         })(postId, refreshTime);
1552 }
1553
1554 /**
1555  * Requests new rendered times for the posts with the given IDs.
1556  *
1557  * @param postIds
1558  *            Comma-separated post IDs
1559  */
1560 function updatePostTimes(postIds) {
1561         ajaxGet("getTimes.ajax", { "posts" : postIds }, function(data, textStatus) {
1562                 if ((data != null) && data.success) {
1563                         $.each(data.postTimes, function(index, value) {
1564                                 updatePostTime(index, value.timeText, value.refreshTime, value.tooltip);
1565                         });
1566                 }
1567         });
1568 }
1569
1570 /**
1571  * Updates the time of the reply with the given ID.
1572  *
1573  * @param postId
1574  *            The ID of the reply to update
1575  * @param timeText
1576  *            The text of the time to show
1577  * @param refreshTime
1578  *            The refresh time after which to request a new time (in seconds)
1579  * @param tooltip
1580  *            The tooltip to show
1581  */
1582 function updateReplyTime(replyId, timeText, refreshTime, tooltip) {
1583         getReply(replyId).find(".reply-status-line > .time").html(timeText).attr("title", tooltip);
1584         (function(replyId, refreshTime) {
1585                 setTimeout(function() {
1586                         updateReplyTimes(replyId);
1587                 }, refreshTime * 1000);
1588         })(replyId, refreshTime);
1589 }
1590
1591 /**
1592  * Requests new rendered times for the posts with the given IDs.
1593  *
1594  * @param postIds
1595  *            Comma-separated post IDs
1596  */
1597 function updateReplyTimes(replyIds) {
1598         ajaxGet("getTimes.ajax", { "replies" : replyIds }, function(data, textStatus) {
1599                 if ((data != null) && data.success) {
1600                         $.each(data.replyTimes, function(index, value) {
1601                                 updateReplyTime(index, value.timeText, value.refreshTime, value.tooltip);
1602                         });
1603                 }
1604         });
1605 }
1606
1607 function resetActivity() {
1608         title = document.title;
1609         if (title.indexOf('(') == 0) {
1610                 setTitle(title.substr(title.indexOf(' ') + 1));
1611         }
1612         iconBlinking = false;
1613 }
1614
1615 function setActivity() {
1616         if (!focus) {
1617                 title = document.title;
1618                 if (title.indexOf('(') != 0) {
1619                         setTitle("(!) " + title);
1620                 }
1621                 if (!iconBlinking) {
1622                         setTimeout(toggleIcon, 1500);
1623                         iconBlinking = true;
1624                 }
1625         }
1626 }
1627
1628 /**
1629  * Sets the window title after a small delay to prevent race-condition issues.
1630  *
1631  * @param title
1632  *            The title to set
1633  */
1634 function setTitle(title) {
1635         setTimeout(function() {
1636                 document.title = title;
1637         }, 50);
1638 }
1639
1640 /** Whether the icon is currently showing activity. */
1641 var iconActive = false;
1642
1643 /** Whether the icon is currently supposed to blink. */
1644 var iconBlinking = false;
1645
1646 /**
1647  * Toggles the icon. If the window has gained focus and the icon is still
1648  * showing the activity state, it is returned to normal.
1649  */
1650 function toggleIcon() {
1651         if (focus || !iconBlinking) {
1652                 if (iconActive) {
1653                         changeIcon("images/icon.png");
1654                         iconActive = false;
1655                 }
1656                 iconBlinking = false;
1657         } else {
1658                 iconActive = !iconActive;
1659                 changeIcon(iconActive ? "images/icon-activity.png" : "images/icon.png");
1660                 setTimeout(toggleIcon, 1500);
1661         }
1662 }
1663
1664 /**
1665  * Changes the icon of the page.
1666  *
1667  * @param iconUrl
1668  *            The new URL of the icon
1669  */
1670 function changeIcon(iconUrl) {
1671         $("link[rel=icon]").remove();
1672         $("head").append($("<link>").attr("rel", "icon").attr("type", "image/png").attr("href", iconUrl));
1673         $("iframe[id=icon-update]")[0].src += "";
1674 }
1675
1676 /**
1677  * Creates a new notification.
1678  *
1679  * @param id
1680  *            The ID of the notificaiton
1681  * @param text
1682  *            The text of the notification
1683  * @param dismissable
1684  *            <code>true</code> if the notification can be dismissed by the
1685  *            user
1686  */
1687 function createNotification(id, lastUpdatedTime, text, dismissable) {
1688         notification = $("<div></div>").addClass("notification").attr("id", id).attr("lastUpdatedTime", lastUpdatedTime);
1689         if (dismissable) {
1690                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id");
1691                 dismissForm.find("input[name=notification]").val(id);
1692                 notification.append(dismissForm);
1693         }
1694         notification.append(text);
1695         return notification;
1696 }
1697
1698 /**
1699  * Shows the details of the notification with the given ID.
1700  *
1701  * @param notificationId
1702  *            The ID of the notification
1703  */
1704 function showNotificationDetails(notificationId) {
1705         $("#sone .notification#" + notificationId + " .text").removeClass("hidden");
1706         $("#sone .notification#" + notificationId + " .short-text").addClass("hidden");
1707 }
1708
1709 /**
1710  * Deletes the field with the given ID from the profile.
1711  *
1712  * @param fieldId
1713  *            The ID of the field to delete
1714  */
1715 function deleteProfileField(fieldId) {
1716         ajaxGet("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1717                 if (data && data.success) {
1718                         $("#sone .profile-field#" + data.field.id).slideUp();
1719                 }
1720         });
1721 }
1722
1723 /**
1724  * Renames a profile field.
1725  *
1726  * @param fieldId
1727  *            The ID of the field to rename
1728  * @param newName
1729  *            The new name of the field
1730  * @param successFunction
1731  *            Called when the renaming was successful
1732  */
1733 function editProfileField(fieldId, newName, successFunction) {
1734         ajaxGet("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1735                 if (data && data.success) {
1736                         successFunction();
1737                 }
1738         });
1739 }
1740
1741 /**
1742  * Moves the profile field with the given ID one slot in the given direction.
1743  *
1744  * @param fieldId
1745  *            The ID of the field to move
1746  * @param direction
1747  *            The direction to move in (“up” or “down”)
1748  * @param successFunction
1749  *            Function to call on success
1750  */
1751 function moveProfileField(fieldId, direction, successFunction) {
1752         ajaxGet("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1753                 if (data && data.success) {
1754                         successFunction();
1755                 }
1756         });
1757 }
1758
1759 /**
1760  * Moves the profile field with the given ID up one slot.
1761  *
1762  * @param fieldId
1763  *            The ID of the field to move
1764  * @param successFunction
1765  *            Function to call on success
1766  */
1767 function moveProfileFieldUp(fieldId, successFunction) {
1768         moveProfileField(fieldId, "up", successFunction);
1769 }
1770
1771 /**
1772  * Moves the profile field with the given ID down one slot.
1773  *
1774  * @param fieldId
1775  *            The ID of the field to move
1776  * @param successFunction
1777  *            Function to call on success
1778  */
1779 function moveProfileFieldDown(fieldId, successFunction) {
1780         moveProfileField(fieldId, "down", successFunction);
1781 }
1782
1783 var statusRequestQueued = true;
1784
1785 /**
1786  * Sets the status of the web interface as offline.
1787  */
1788 function ajaxError() {
1789         online = false;
1790         showOfflineMarker(true);
1791         if (!statusRequestQueued) {
1792                 setTimeout(getStatus, 5000);
1793                 statusRequestQueued = true;
1794         }
1795 }
1796
1797 /**
1798  * Sets the status of the web interface as online.
1799  */
1800 function ajaxSuccess() {
1801         online = true;
1802         showOfflineMarker(!online || (initiallyLoggedIn && notLoggedIn));
1803 }
1804
1805 /**
1806  * Shows or hides the offline marker.
1807  *
1808  * @param visible
1809  *            {@code true} to display the offline marker, {@code false} to hide
1810  *            it
1811  */
1812 function showOfflineMarker(visible) {
1813         /* jQuery documentation says toggle() works the other way around?! */
1814         $("#sone #offline-marker").toggle(visible);
1815         if (visible) {
1816                 $("#sone #main").addClass("offline");
1817         } else {
1818                 $("#sone #main").removeClass("offline");
1819         }
1820 }
1821
1822 //
1823 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1824 //
1825
1826 var focus = true;
1827 var online = true;
1828 var initiallyLoggedIn = $("#sone #loggedIn").text() == "true";
1829 var notLoggedIn = !initiallyLoggedIn;
1830
1831 $(document).ready(function() {
1832
1833         /* this initializes the status update input field. */
1834         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1835                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1836                 $("#sone #update-status .select-sender").css("display", "inline");
1837                 $("#sone #update-status .sender").hide();
1838                 $("#sone #update-status .select-sender button").click(function() {
1839                         $("#sone #update-status .sender").show();
1840                         $("#sone #update-status .select-sender").hide();
1841                         return false;
1842                 });
1843                 $("#sone #update-status").submit(function() {
1844                         button = $("button:submit", this);
1845                         button.attr("disabled", "disabled");
1846                         if ($(this).find(":input.default:enabled").length > 0) {
1847                                 return false;
1848                         }
1849                         sender = $(this).find(":input[name=sender]").val();
1850                         text = $(this).find(":input[name=text]:enabled").val();
1851                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1852                                 button.removeAttr("disabled");
1853                         });
1854                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1855                         $(this).find(":input[name=text]:enabled").val("").blur();
1856                         $(this).find(".sender").hide();
1857                         $(this).find(".select-sender").show();
1858                         return false;
1859                 });
1860         });
1861
1862         /* ajaxify the search input field. */
1863         getTranslation("WebInterface.DefaultText.Search", function(defaultText) {
1864                 registerInputTextareaSwap("#sone #search input[name=query]", defaultText, "query", false, true);
1865         });
1866
1867         /* ajaxify input field on “view Sone” page. */
1868         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1869                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1870                 $("#sone #post-message .select-sender").css("display", "inline");
1871                 $("#sone #post-message .sender").hide();
1872                 $("#sone #post-message .select-sender button").click(function() {
1873                         $("#sone #post-message .sender").show();
1874                         $("#sone #post-message .select-sender").hide();
1875                         return false;
1876                 });
1877                 $("#sone #post-message").submit(function() {
1878                         sender = $(this).find(":input[name=sender]").val();
1879                         text = $(this).find(":input[name=text]:enabled").val();
1880                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "sender": sender, "text": text });
1881                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1882                         $(this).find(":input[name=text]:enabled").val("").blur();
1883                         $(this).find(".sender").hide();
1884                         $(this).find(".select-sender").show();
1885                         return false;
1886                 });
1887         });
1888
1889         /* Ajaxifies all posts. */
1890         /* calling getTranslation here will cache the necessary values. */
1891         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1892                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1893                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1894                                 $("#sone .post").each(function() {
1895                                         ajaxifyPost(this);
1896                                 });
1897                         });
1898                 });
1899         });
1900
1901         /* update post times. */
1902         postIds = [];
1903         $("#sone .post").each(function() {
1904                 postIds.push(getPostId(this));
1905         });
1906         updatePostTimes(postIds.join(","));
1907
1908         /* hides all replies but the latest two. */
1909         if (!isViewPostPage()) {
1910                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1911                         $("#sone .post .replies").each(function() {
1912                                 allReplies = $(this).find(".reply");
1913                                 if (allReplies.length > 2) {
1914                                         newHidden = false;
1915                                         for (replyIndex = 0; !newHidden && (replyIndex < (allReplies.length - 2)); ++replyIndex) {
1916                                                 $(allReplies[replyIndex]).addClass("hidden");
1917                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1918                                         }
1919                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1920                                         if (newHidden) {
1921                                                 clickToShowElement.addClass("new");
1922                                         }
1923                                         (function(clickToShowElement, allReplies, text) {
1924                                                 clickToShowElement.text(text);
1925                                                 clickToShowElement.click(function() {
1926                                                         allReplies.removeClass("hidden");
1927                                                         clickToShowElement.addClass("hidden");
1928                                                 });
1929                                         })(clickToShowElement, allReplies, text);
1930                                         $(allReplies[0]).before(clickToShowElement);
1931                                 }
1932                         });
1933                 });
1934         }
1935
1936         $("#sone .sone").each(function() {
1937                 ajaxifySone($(this));
1938         });
1939
1940         /* process all existing notifications, ajaxify dismiss buttons. */
1941         $("#sone #notification-area .notification").each(function() {
1942                 ajaxifyNotification($(this));
1943         });
1944
1945         /* activate status polling. */
1946         setTimeout(getStatus, 5000);
1947
1948         /* reset activity counter when the page has focus. */
1949         $(window).focus(function() {
1950                 focus = true;
1951                 resetActivity();
1952         }).blur(function() {
1953                 focus = false;
1954         });
1955
1956 });