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).after(textarea);
  37                 (function(inputField, textarea) {
  38                         inputField.focus(function() {
  39                                 $(this).hide().attr("disabled", "disabled");
  40                                 textarea.show().focus();
  41                         });
  42                         if (inputField.val() == "") {
  43                                 inputField.addClass("default");
  44                                 inputField.val(defaultText);
  45                         } else {
  46                                 inputField.hide().attr("disabled", "disabled");
  47                                 textarea.show();
  48                         }
  49                         $(inputField.get(0).form).submit(function() {
  50                                 if (!optional && (textarea.val() == "")) {
  51                                         return false;
  52                                 }
  53                         });
  54                 })($(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, element, insertAfterThisElement) {
  67         if ($(element).find(".show-reply-form").length > 0) {
  68                 return;
  69         }
  70         commentElement = (function(postId) {
  71                 var commentElement = $("<div><span>Comment</span></div>").addClass("show-reply-form").click(function() {
  72                         markPostAsKnown(getPostElement(this));
  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                         replyElement.find("input.reply-input").focus();
  86                 });
  87                 return commentElement;
  88         })(postId);
  89         $(insertAfterThisElement).after(commentElement.clone(true));
  90 }
  91
  92 var translations = {};
  93
  94 /**
  95  * Retrieves the translation for the given key and calls the callback function.
  96  * The callback function takes a single parameter, the translated string.
  97  *
  98  * @param key
  99  *            The key of the translation string
 100  * @param callback
 101  *            The callback function
 102  */
 103 function getTranslation(key, callback) {
 104         if (key in translations) {
 105                 callback(translations[key]);
 106                 return;
 107         }
 108         $.getJSON("ajax/getTranslation.ajax", {"key": key}, function(data, textStatus) {
 109                 if ((data != null) && data.success) {
 110                         translations[key] = data.value;
 111                         callback(data.value);
 112                 }
 113         }, function(xmlHttpRequest, textStatus, error) {
 114                 /* ignore error. */
 115         });
 116 }
 117
 118 /**
 119  * Filters the given Sone ID, replacing all “~” characters by an underscore.
 120  *
 121  * @param soneId
 122  *            The Sone ID to filter
 123  * @returns The filtered Sone ID
 124  */
 125 function filterSoneId(soneId) {
 126         return soneId.replace(/[^a-zA-Z0-9-]/g, "_");
 127 }
 128
 129 /**
 130  * Updates the status of the given Sone.
 131  *
 132  * @param soneId
 133  *            The ID of the Sone to update
 134  * @param status
 135  *            The status of the Sone (“idle”, “unknown”, “inserting”,
 136  *            “downloading”)
 137  * @param modified
 138  *            Whether the Sone is modified
 139  * @param locked
 140  *            Whether the Sone is locked
 141  * @param lastUpdated
 142  *            The date and time of the last update (formatted for display)
 143  */
 144 function updateSoneStatus(soneId, name, status, modified, locked, lastUpdated) {
 145         $("#sone .sone." + filterSoneId(soneId)).
 146                 toggleClass("unknown", status == "unknown").
 147                 toggleClass("idle", status == "idle").
 148                 toggleClass("inserting", status == "inserting").
 149                 toggleClass("downloading", status == "downloading").
 150                 toggleClass("modified", modified);
 151         $("#sone .sone." + filterSoneId(soneId) + " .lock").toggleClass("hidden", locked);
 152         $("#sone .sone." + filterSoneId(soneId) + " .unlock").toggleClass("hidden", !locked);
 153         $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(lastUpdated);
 154         $("#sone .sone." + filterSoneId(soneId) + " .profile-link a").text(name);
 155 }
 156
 157 /**
 158  * Enhances a “delete” button so that the confirmation is done on the same page.
 159  *
 160  * @param button
 161  *            The button element
 162  * @param text
 163  *            The text to show on the button
 164  * @param deleteCallback
 165  *            The callback that actually deletes something
 166  */
 167 function enhanceDeleteButton(button, text, deleteCallback) {
 168         (function(button) {
 169                 newButton = $("<button></button>").addClass("confirm").hide().text(text).click(function() {
 170                         $(this).fadeOut("slow");
 171                         deleteCallback();
 172                         return false;
 173                 }).insertAfter(button);
 174                 (function(button, newButton) {
 175                         button.click(function() {
 176                                 button.fadeOut("slow", function() {
 177                                         newButton.fadeIn("slow");
 178                                         $(document).one("click", function() {
 179                                                 if (this != newButton.get(0)) {
 180                                                         newButton.fadeOut(function() {
 181                                                                 button.fadeIn();
 182                                                         });
 183                                                 }
 184                                         });
 185                                 });
 186                                 return false;
 187                         });
 188                 })(button, newButton);
 189         })($(button));
 190 }
 191
 192 /**
 193  * Enhances a post’s “delete” button.
 194  *
 195  * @param button
 196  *            The button element
 197  * @param postId
 198  *            The ID of the post to delete
 199  * @param text
 200  *            The text to replace the button with
 201  */
 202 function enhanceDeletePostButton(button, postId, text) {
 203         enhanceDeleteButton(button, text, function() {
 204                 $.getJSON("ajax/deletePost.ajax", { "post": postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 205                         if (data == null) {
 206                                 return;
 207                         }
 208                         if (data.success) {
 209                                 $("#sone .post#" + postId).slideUp();
 210                         } else if (data.error == "invalid-post-id") {
 211                                 alert("Invalid post ID given!");
 212                         } else if (data.error == "auth-required") {
 213                                 alert("You need to be logged in.");
 214                         } else if (data.error == "not-authorized") {
 215                                 alert("You are not allowed to delete this post.");
 216                         }
 217                 }, function(xmlHttpRequest, textStatus, error) {
 218                         /* ignore error. */
 219                 });
 220         });
 221 }
 222
 223 /**
 224  * Enhances a reply’s “delete” button.
 225  *
 226  * @param button
 227  *            The button element
 228  * @param replyId
 229  *            The ID of the reply to delete
 230  * @param text
 231  *            The text to replace the button with
 232  */
 233 function enhanceDeleteReplyButton(button, replyId, text) {
 234         enhanceDeleteButton(button, text, function() {
 235                 $.getJSON("ajax/deleteReply.ajax", { "reply": replyId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
 236                         if (data == null) {
 237                                 return;
 238                         }
 239                         if (data.success) {
 240                                 $("#sone .reply#" + replyId).slideUp();
 241                         } else if (data.error == "invalid-reply-id") {
 242                                 alert("Invalid reply ID given!");
 243                         } else if (data.error == "auth-required") {
 244                                 alert("You need to be logged in.");
 245                         } else if (data.error == "not-authorized") {
 246                                 alert("You are not allowed to delete this reply.");
 247                         }
 248                 }, function(xmlHttpRequest, textStatus, error) {
 249                         /* ignore error. */
 250                 });
 251         });
 252 }
 253
 254 function getFormPassword() {
 255         return $("#sone #formPassword").text();
 256 }
 257
 258 function getSoneElement(element) {
 259         return $(element).parents(".sone");
 260 }
 261
 262 /**
 263  * Generates a list of Sones by concatening the names of the given sones with a
 264  * new line character (“\n”).
 265  *
 266  * @param sones
 267  *            The sones to format
 268  * @returns {String} The created string
 269  */
 270 function generateSoneList(sones) {
 271         var soneList = "";
 272         $.each(sones, function() {
 273                 if (soneList != "") {
 274                         soneList += ", ";
 275                 }
 276                 soneList += this.name;
 277         });
 278         return soneList;
 279 }
 280
 281 /**
 282  * Returns the ID of the Sone that this element belongs to.
 283  *
 284  * @param element
 285  *            The element to locate the matching Sone ID for
 286  * @returns The ID of the Sone, or undefined
 287  */
 288 function getSoneId(element) {
 289         return getSoneElement(element).find(".id").text();
 290 }
 291
 292 function getPostElement(element) {
 293         return $(element).closest(".post");
 294 }
 295
 296 function getPostId(element) {
 297         return getPostElement(element).attr("id");
 298 }
 299
 300 function getPostTime(element) {
 301         return getPostElement(element).find(".post-time").text();
 302 }
 303
 304 function getReplyElement(element) {
 305         return $(element).closest(".reply");
 306 }
 307
 308 function getReplyId(element) {
 309         return getReplyElement(element).attr("id");
 310 }
 311
 312 function getReplyTime(element) {
 313         return getReplyElement(element).find(".reply-time").text();
 314 }
 315
 316 function likePost(postId) {
 317         $.getJSON("ajax/like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 318                 if ((data == null) || !data.success) {
 319                         return;
 320                 }
 321                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
 322                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
 323                 updatePostLikes(postId);
 324         }, function(xmlHttpRequest, textStatus, error) {
 325                 /* ignore error. */
 326         });
 327 }
 328
 329 function unlikePost(postId) {
 330         $.getJSON("ajax/unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 331                 if ((data == null) || !data.success) {
 332                         return;
 333                 }
 334                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
 335                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
 336                 updatePostLikes(postId);
 337         }, function(xmlHttpRequest, textStatus, error) {
 338                 /* ignore error. */
 339         });
 340 }
 341
 342 function updatePostLikes(postId) {
 343         $.getJSON("ajax/getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
 344                 if ((data != null) && data.success) {
 345                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0)
 346                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
 347                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
 348                 }
 349         }, function(xmlHttpRequest, textStatus, error) {
 350                 /* ignore error. */
 351         });
 352 }
 353
 354 function likeReply(replyId) {
 355         $.getJSON("ajax/like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 356                 if ((data == null) || !data.success) {
 357                         return;
 358                 }
 359                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
 360                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
 361                 updateReplyLikes(replyId);
 362         }, function(xmlHttpRequest, textStatus, error) {
 363                 /* ignore error. */
 364         });
 365 }
 366
 367 function unlikeReply(replyId) {
 368         $.getJSON("ajax/unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 369                 if ((data == null) || !data.success) {
 370                         return;
 371                 }
 372                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
 373                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
 374                 updateReplyLikes(replyId);
 375         }, function(xmlHttpRequest, textStatus, error) {
 376                 /* ignore error. */
 377         });
 378 }
 379
 380 function updateReplyLikes(replyId) {
 381         $.getJSON("ajax/getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
 382                 if ((data != null) && data.success) {
 383                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0)
 384                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
 385                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
 386                 }
 387         }, function(xmlHttpRequest, textStatus, error) {
 388                 /* ignore error. */
 389         });
 390 }
 391
 392 /**
 393  * Posts a reply and calls the given callback when the request finishes.
 394  *
 395  * @param postId
 396  *            The ID of the post the reply refers to
 397  * @param text
 398  *            The text to post
 399  * @param callbackFunction
 400  *            The callback function to call when the request finishes (takes 3
 401  *            parameters: success, error, replyId)
 402  */
 403 function postReply(postId, text, callbackFunction) {
 404         $.getJSON("ajax/createReply.ajax", { "formPassword" : getFormPassword(), "post" : postId, "text": text }, function(data, textStatus) {
 405                 if (data == null) {
 406                         /* TODO - show error */
 407                         return;
 408                 }
 409                 if (data.success) {
 410                         callbackFunction(true, null, data.reply);
 411                 } else {
 412                         callbackFunction(false, data.error);
 413                 }
 414         }, function(xmlHttpRequest, textStatus, error) {
 415                 /* ignore error. */
 416         });
 417 }
 418
 419 /**
 420  * Requests information about the reply with the given ID.
 421  *
 422  * @param replyId
 423  *            The ID of the reply
 424  * @param callbackFunction
 425  *            A callback function (parameters soneId, soneName, replyTime,
 426  *            replyDisplayTime, text, html)
 427  */
 428 function getReply(replyId, callbackFunction) {
 429         $.getJSON("ajax/getReply.ajax", { "reply" : replyId }, function(data, textStatus) {
 430                 if ((data != null) && data.success) {
 431                         callbackFunction(data.soneId, data.soneName, data.time, data.displayTime, data.text, data.html);
 432                 }
 433         }, function(xmlHttpRequest, textStatus, error) {
 434                 /* ignore error. */
 435         });
 436 }
 437
 438 /**
 439  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
 440  *
 441  * @param postElement
 442  *            The post element to ajaxify
 443  */
 444 function ajaxifyPost(postElement) {
 445         $(postElement).find("form").submit(function() {
 446                 return false;
 447         });
 448         $(postElement).find(".create-reply button:submit").click(function() {
 449                 inputField = $(this.form).find(":input:enabled").get(0);
 450                 postId = getPostId(this);
 451                 text = $(inputField).val();
 452                 $(inputField).val("");
 453                 postReply(postId, text, function(success, error, replyId) {
 454                         if (success) {
 455                                 loadNewReply(replyId);
 456                                 markPostAsKnown(getPostElement(inputField));
 457                                 $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 458                         } else {
 459                                 alert(error);
 460                         }
 461                 });
 462                 return false;
 463         });
 464
 465         /* replace all “delete” buttons with javascript. */
 466         (function(postElement) {
 467                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 468                         postId = getPostId(postElement);
 469                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 470                 });
 471         })(postElement);
 472
 473         /* convert all “like” buttons to javascript functions. */
 474         $(postElement).find(".like-post").submit(function() {
 475                 likePost(getPostId(this));
 476                 markPostAsKnown(getPostElement(this));
 477                 return false;
 478         });
 479         $(postElement).find(".unlike-post").submit(function() {
 480                 unlikePost(getPostId(this));
 481                 markPostAsKnown(getPostElement(this));
 482                 return false;
 483         });
 484
 485         /* add “comment” link. */
 486         addCommentLink(getPostId(postElement), postElement, $(postElement).find(".post-status-line .time"));
 487
 488         /* process all replies. */
 489         $(postElement).find(".reply").each(function() {
 490                 ajaxifyReply(this);
 491         });
 492
 493         /* process reply input fields. */
 494         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 495                 $(postElement).find("input.reply-input").each(function() {
 496                         registerInputTextareaSwap(this, text, "text", false, false);
 497                 });
 498         });
 499
 500         /* mark everything as known on click. */
 501         $(postElement).click(function() {
 502                 markPostAsKnown(this);
 503         });
 504
 505         /* hide reply input field. */
 506         $(postElement).find(".create-reply").addClass("hidden");
 507 }
 508
 509 /**
 510  * Ajaxifies the given reply element.
 511  *
 512  * @param replyElement
 513  *            The reply element to ajaxify
 514  */
 515 function ajaxifyReply(replyElement) {
 516         $(replyElement).find(".like-reply").submit(function() {
 517                 likeReply(getReplyId(this));
 518                 markPostAsKnown(getPostElement(this));
 519                 return false;
 520         });
 521         $(replyElement).find(".unlike-reply").submit(function() {
 522                 unlikeReply(getReplyId(this));
 523                 markPostAsKnown(getPostElement(this));
 524                 return false;
 525         });
 526         (function(replyElement) {
 527                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 528                         $(replyElement).find(".delete-reply button").each(function() {
 529                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 530                         });
 531                 });
 532         })(replyElement);
 533         addCommentLink(getPostId(replyElement), replyElement, $(replyElement).find(".reply-status-line .time"));
 534
 535         /* mark post and all replies as known on click. */
 536         $(replyElement).click(function() {
 537                 markPostAsKnown(getPostElement(replyElement));
 538         });
 539 }
 540
 541 /**
 542  * Ajaxifies the given notification by replacing the form with AJAX.
 543  *
 544  * @param notification
 545  *            jQuery object representing the notification.
 546  */
 547 function ajaxifyNotification(notification) {
 548         notification.find("form.dismiss").submit(function() {
 549                 return false;
 550         });
 551         notification.find("form.dismiss button").click(function() {
 552                 $.getJSON("ajax/dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 553                         /* dismiss in case of error, too. */
 554                         notification.slideUp();
 555                 }, function(xmlHttpRequest, textStatus, error) {
 556                         /* ignore error. */
 557                 });
 558         });
 559         return notification;
 560 }
 561
 562 function getStatus() {
 563         $.getJSON("ajax/getStatus.ajax", {}, function(data, textStatus) {
 564                 if ((data != null) && data.success) {
 565                         /* process Sone information. */
 566                         $.each(data.sones, function(index, value) {
 567                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdated);
 568                         });
 569                         /* process notifications. */
 570                         $.each(data.notifications, function(index, value) {
 571                                 oldNotification = $("#sone #notification-area .notification#" + value.id);
 572                                 notification = ajaxifyNotification(createNotification(value.id, value.text, value.dismissable)).hide();
 573                                 if (oldNotification.length != 0) {
 574                                         oldNotification.replaceWith(notification.show());
 575                                 } else {
 576                                         $("#sone #notification-area").append(notification);
 577                                         notification.slideDown();
 578                                 }
 579                                 setActivity();
 580                         });
 581                         $.each(data.removedNotifications, function(index, value) {
 582                                 $("#sone #notification-area .notification#" + value.id).slideUp();
 583                         });
 584                         /* process new posts. */
 585                         $.each(data.newPosts, function(index, value) {
 586                                 loadNewPost(value);
 587                         });
 588                         /* process new replies. */
 589                         $.each(data.newReplies, function(index, value) {
 590                                 loadNewReply(value);
 591                         });
 592                         /* do it again in 5 seconds. */
 593                         setTimeout(getStatus, 5000);
 594                 } else {
 595                         /* data.success was false, wait 30 seconds. */
 596                         setTimeout(getStatus, 30000);
 597                 }
 598         }, function(xmlHttpRequest, textStatus, error) {
 599                 /* something really bad happend, wait a minute. */
 600                 setTimeout(getStatus, 60000);
 601         })
 602 }
 603
 604 var loadedPosts = {};
 605 var loadedReplies = {};
 606
 607 function loadNewPost(postId) {
 608         if (postId in loadedPosts) {
 609                 return;
 610         }
 611         loadedPosts[postId] = true;
 612         $.getJSON("ajax/getPost.ajax", { "post" : postId }, function(data, textStatus) {
 613                 if ((data != null) && data.success) {
 614                         /* maybe weird timing stuff ensues. */
 615                         if (data.post.id in loadedPosts) {
 616                                 return;
 617                         }
 618                         var firstOlderPost = null;
 619                         $("#sone .post").each(function() {
 620                                 if (getPostTime(this) < data.post.time) {
 621                                         firstOlderPost = $(this);
 622                                         return false;
 623                                 }
 624                         });
 625                         if (firstOlderPost != null) {
 626                                 newPost.insertBefore(firstOlderPost);
 627                         } else {
 628                                 $("#sone #posts").append(newPost);
 629                         }
 630                         ajaxifyPost(newPost);
 631                         newPost.slideDown();
 632                         setActivity();
 633                 }
 634         });
 635 }
 636
 637 function loadNewReply(replyId) {
 638         if (replyId in loadedReplies) {
 639                 return;
 640         }
 641         loadedReplies[replyId] = true;
 642         $.getJSON("ajax/getReply.ajax", { "reply": replyId }, function(data, textStatus) {
 643                 /* find post. */
 644                 if ((data != null) && data.success) {
 645                         /* maybe weird timing stuff ensues. */
 646                         if (data.reply.id in loadedReplies) {
 647                                 return;
 648                         }
 649                         $("#sone .post#" + data.reply.postId).each(function() {
 650                                 var firstNewerReply = null;
 651                                 $(this).find(".replies .reply").each(function() {
 652                                         if (getReplyTime(this) > data.reply.time) {
 653                                                 firstNewerReply = $(this);
 654                                                 return false;
 655                                         }
 656                                 });
 657                                 if (firstNewerReply != null) {
 658                                         newReply.insertBefore(firstNewerReply);
 659                                 } else {
 660                                         if ($(this).find(".replies .create-reply")) {
 661                                                 $(this).find(".replies .create-reply").before(newReply);
 662                                         } else {
 663                                                 $(this).find(".replies").append(newReply);
 664                                         }
 665                                 }
 666                                 ajaxifyReply(newReply);
 667                                 newReply.slideDown();
 668                                 setActivity();
 669                         });
 670                 }
 671         });
 672 }
 673
 674 function markPostAsKnown(postElements) {
 675         $(postElements).each(function() {
 676                 postElement = this;
 677                 if ($(postElement).hasClass("new")) {
 678                         (function(postElement) {
 679                                 $.getJSON("ajax/markPostAsKnown.ajax", {"formPassword": getFormPassword(), "post": getPostId(postElement)}, function(data, textStatus) {
 680                                         $(postElement).removeClass("new");
 681                                 });
 682                         })(postElement);
 683                 }
 684         });
 685         markReplyAsKnown($(postElements).find(".reply"));
 686 }
 687
 688 function markReplyAsKnown(replyElements) {
 689         $(replyElements).each(function() {
 690                 replyElement = this;
 691                 if ($(replyElement).hasClass("new")) {
 692                         (function(replyElement) {
 693                                 $.getJSON("ajax/markReplyAsKnown.ajax", {"formPassword": getFormPassword(), "reply": getReplyId(replyElement)}, function(data, textStatus) {
 694                                         $(replyElement).removeClass("new");
 695                                 });
 696                         })(replyElement);
 697                 }
 698         });
 699 }
 700
 701 function resetActivity() {
 702         title = document.title;
 703         if (title.indexOf('(') == 0) {
 704                 document.title = title.substr(title.indexOf(' ') + 1);
 705         }
 706 }
 707
 708 function setActivity() {
 709         if (!focus) {
 710                 title = document.title;
 711                 if (title.indexOf('(') != 0) {
 712                         document.title = "(!) " + title;
 713                 }
 714         }
 715 }
 716
 717 /**
 718  * Creates a new notification.
 719  *
 720  * @param id
 721  *            The ID of the notificaiton
 722  * @param text
 723  *            The text of the notification
 724  * @param dismissable
 725  *            <code>true</code> if the notification can be dismissed by the
 726  *            user
 727  */
 728 function createNotification(id, text, dismissable) {
 729         notification = $("<div></div>").addClass("notification").attr("id", id);
 730         if (dismissable) {
 731                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id")
 732                 dismissForm.find("input[name=notification]").val(id);
 733                 notification.append(dismissForm);
 734         }
 735         notification.append(text);
 736         return notification;
 737 }
 738
 739 //
 740 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
 741 //
 742
 743 var focus = true;
 744
 745 $(document).ready(function() {
 746
 747         /* this initializes the status update input field. */
 748         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
 749                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
 750                 $("#sone #update-status").submit(function() {
 751                         text = $(this).find(":input:enabled").val();
 752                         $.getJSON("ajax/createPost.ajax", { "formPassword": getFormPassword(), "text": text }, function(data, textStatus) {
 753                                 if ((data != null) && data.success) {
 754                                         loadNewPost(data.postId);
 755                                 }
 756                         });
 757                         $(this).find(":input:enabled").val("").blur();
 758                         return false;
 759                 });
 760         });
 761
 762         /* Ajaxifies all posts. */
 763         /* calling getTranslation here will cache the necessary values. */
 764         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
 765                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
 766                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 767                                 $("#sone .post").each(function() {
 768                                         ajaxifyPost(this);
 769                                 });
 770                         });
 771                 });
 772         });
 773
 774         /* hides all replies but the latest two. */
 775         getTranslation("WebInterface.ClickToShow.Replies", function(text) {
 776                 $("#sone .post .replies").each(function() {
 777                         allReplies = $(this).find(".reply");
 778                         if (allReplies.length > 2) {
 779                                 newHidden = false;
 780                                 for (replyIndex = 0; replyIndex < (allReplies.length - 2); ++replyIndex) {
 781                                         $(allReplies[replyIndex]).addClass("hidden");
 782                                         newHidden |= $(allReplies[replyIndex]).hasClass("new");
 783                                 }
 784                                 clickToShowElement = $("<div></div>").addClass("click-to-show");
 785                                 if (newHidden) {
 786                                         clickToShowElement.addClass("new");
 787                                 }
 788                                 (function(clickToShowElement, allReplies, text) {
 789                                         clickToShowElement.text(text);
 790                                         clickToShowElement.click(function() {
 791                                                 allReplies.removeClass("hidden");
 792                                                 clickToShowElement.addClass("hidden");
 793                                         });
 794                                 })(clickToShowElement, allReplies, text);
 795                                 $(allReplies[0]).before(clickToShowElement);
 796                         }
 797                 });
 798         });
 799
 800         /*
 801          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
 802          * nicer.
 803          */
 804         $("#sone .follow").submit(function() {
 805                 var followElement = this;
 806                 $.getJSON("ajax/followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 807                         $(followElement).addClass("hidden");
 808                         $(followElement).parent().find(".unfollow").removeClass("hidden");
 809                 });
 810                 return false;
 811         });
 812         $("#sone .unfollow").submit(function() {
 813                 var unfollowElement = this;
 814                 $.getJSON("ajax/unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 815                         $(unfollowElement).addClass("hidden");
 816                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
 817                 });
 818                 return false;
 819         });
 820         $("#sone .lock").submit(function() {
 821                 var lockElement = this;
 822                 $.getJSON("ajax/lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 823                         $(lockElement).addClass("hidden");
 824                         $(lockElement).parent().find(".unlock").removeClass("hidden");
 825                 });
 826                 return false;
 827         });
 828         $("#sone .unlock").submit(function() {
 829                 var unlockElement = this;
 830                 $.getJSON("ajax/unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 831                         $(unlockElement).addClass("hidden");
 832                         $(unlockElement).parent().find(".lock").removeClass("hidden");
 833                 });
 834                 return false;
 835         });
 836
 837         /* process all existing notifications, ajaxify dismiss buttons. */
 838         $("#sone #notification-area .notification").each(function() {
 839                 ajaxifyNotification($(this));
 840         });
 841
 842         /* activate status polling. */
 843         setTimeout(getStatus, 5000);
 844
 845         /* reset activity counter when the page has focus. */
 846         $(window).focus(function() {
 847                 focus = true;
 848                 resetActivity();
 849         }).blur(function() {
 850                 focus = false;
 851         })
 852
 853 });