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                         $(inputField.get(0).form).submit(function() {
  50                                 inputField.attr("disabled", "disabled");
  51                                 if (!optional && (textarea.val() == "")) {
  52                                         return false;
  53                                 }
  54                         });
  55                 })($(this), textarea);
  56         });
  57 }
  58
  59 /**
  60  * Adds a “comment” link to all status lines contained in the given element.
  61  *
  62  * @param postId
  63  *            The ID of the post
  64  * @param element
  65  *            The element to add a “comment” link to
  66  */
  67 function addCommentLink(postId, element, insertAfterThisElement) {
  68         if (($(element).find(".show-reply-form").length > 0) || (getPostElement(element).find(".create-reply").length == 0)) {
  69                 return;
  70         }
  71         commentElement = (function(postId) {
  72                 separator = $("<span> · </span>").addClass("separator");
  73                 var commentElement = $("<div><span>Comment</span></div>").addClass("show-reply-form").click(function() {
  74                         markPostAsKnown(getPostElement(this));
  75                         replyElement = $("#sone .post#" + postId + " .create-reply");
  76                         replyElement.removeClass("hidden");
  77                         replyElement.removeClass("light");
  78                         (function(replyElement) {
  79                                 replyElement.find("input.reply-input").blur(function() {
  80                                         if ($(this).hasClass("default")) {
  81                                                 replyElement.addClass("light");
  82                                         }
  83                                 }).focus(function() {
  84                                         replyElement.removeClass("light");
  85                                 });
  86                         })(replyElement);
  87                         replyElement.find("input.reply-input").focus();
  88                 });
  89                 return commentElement;
  90         })(postId);
  91         $(insertAfterThisElement).after(commentElement.clone(true));
  92         $(insertAfterThisElement).after(separator);
  93 }
  94
  95 var translations = {};
  96
  97 /**
  98  * Retrieves the translation for the given key and calls the callback function.
  99  * The callback function takes a single parameter, the translated string.
 100  *
 101  * @param key
 102  *            The key of the translation string
 103  * @param callback
 104  *            The callback function
 105  */
 106 function getTranslation(key, callback) {
 107         if (key in translations) {
 108                 callback(translations[key]);
 109                 return;
 110         }
 111         $.getJSON("getTranslation.ajax", {"key": key}, function(data, textStatus) {
 112                 if ((data != null) && data.success) {
 113                         translations[key] = data.value;
 114                         callback(data.value);
 115                 }
 116         }, function(xmlHttpRequest, textStatus, error) {
 117                 /* ignore error. */
 118         });
 119 }
 120
 121 /**
 122  * Filters the given Sone ID, replacing all “~” characters by an underscore.
 123  *
 124  * @param soneId
 125  *            The Sone ID to filter
 126  * @returns The filtered Sone ID
 127  */
 128 function filterSoneId(soneId) {
 129         return soneId.replace(/[^a-zA-Z0-9-]/g, "_");
 130 }
 131
 132 /**
 133  * Updates the status of the given Sone.
 134  *
 135  * @param soneId
 136  *            The ID of the Sone to update
 137  * @param status
 138  *            The status of the Sone (“idle”, “unknown”, “inserting”,
 139  *            “downloading”)
 140  * @param modified
 141  *            Whether the Sone is modified
 142  * @param locked
 143  *            Whether the Sone is locked
 144  * @param lastUpdated
 145  *            The date and time of the last update (formatted for display)
 146  */
 147 function updateSoneStatus(soneId, name, status, modified, locked, lastUpdated) {
 148         $("#sone .sone." + filterSoneId(soneId)).
 149                 toggleClass("unknown", status == "unknown").
 150                 toggleClass("idle", status == "idle").
 151                 toggleClass("inserting", status == "inserting").
 152                 toggleClass("downloading", status == "downloading").
 153                 toggleClass("modified", modified);
 154         $("#sone .sone." + filterSoneId(soneId) + " .lock").toggleClass("hidden", locked);
 155         $("#sone .sone." + filterSoneId(soneId) + " .unlock").toggleClass("hidden", !locked);
 156         if (lastUpdated != null) {
 157                 $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(lastUpdated);
 158         } else {
 159                 getTranslation("View.Sone.Text.UnknownDate", function(unknown) {
 160                         $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(unknown);
 161                 });
 162         }
 163         $("#sone .sone." + filterSoneId(soneId) + " .profile-link a").text(name);
 164 }
 165
 166 /**
 167  * Enhances a “delete” button so that the confirmation is done on the same page.
 168  *
 169  * @param button
 170  *            The button element
 171  * @param text
 172  *            The text to show on the button
 173  * @param deleteCallback
 174  *            The callback that actually deletes something
 175  */
 176 function enhanceDeleteButton(button, text, deleteCallback) {
 177         (function(button) {
 178                 newButton = $("<button></button>").addClass("confirm").hide().text(text).click(function() {
 179                         $(this).fadeOut("slow");
 180                         deleteCallback();
 181                         return false;
 182                 }).insertAfter(button);
 183                 (function(button, newButton) {
 184                         button.click(function() {
 185                                 button.fadeOut("slow", function() {
 186                                         newButton.fadeIn("slow");
 187                                         $(document).one("click", function() {
 188                                                 if (this != newButton.get(0)) {
 189                                                         newButton.fadeOut(function() {
 190                                                                 button.fadeIn();
 191                                                         });
 192                                                 }
 193                                         });
 194                                 });
 195                                 return false;
 196                         });
 197                 })(button, newButton);
 198         })($(button));
 199 }
 200
 201 /**
 202  * Enhances a post’s “delete” button.
 203  *
 204  * @param button
 205  *            The button element
 206  * @param postId
 207  *            The ID of the post to delete
 208  * @param text
 209  *            The text to replace the button with
 210  */
 211 function enhanceDeletePostButton(button, postId, text) {
 212         enhanceDeleteButton(button, text, function() {
 213                 $.getJSON("deletePost.ajax", { "post": postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 214                         if (data == null) {
 215                                 return;
 216                         }
 217                         if (data.success) {
 218                                 $("#sone .post#" + postId).slideUp();
 219                         } else if (data.error == "invalid-post-id") {
 220                                 alert("Invalid post ID given!");
 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                 $.getJSON("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                                 alert("Invalid reply ID given!");
 252                         } else if (data.error == "auth-required") {
 253                                 alert("You need to be logged in.");
 254                         } else if (data.error == "not-authorized") {
 255                                 alert("You are not allowed to delete this reply.");
 256                         }
 257                 }, function(xmlHttpRequest, textStatus, error) {
 258                         /* ignore error. */
 259                 });
 260         });
 261 }
 262
 263 function getFormPassword() {
 264         return $("#sone #formPassword").text();
 265 }
 266
 267 function getSoneElement(element) {
 268         return $(element).closest(".sone");
 269 }
 270
 271 /**
 272  * Generates a list of Sones by concatening the names of the given sones with a
 273  * new line character (“\n”).
 274  *
 275  * @param sones
 276  *            The sones to format
 277  * @returns {String} The created string
 278  */
 279 function generateSoneList(sones) {
 280         var soneList = "";
 281         $.each(sones, function() {
 282                 if (soneList != "") {
 283                         soneList += ", ";
 284                 }
 285                 soneList += this.name;
 286         });
 287         return soneList;
 288 }
 289
 290 /**
 291  * Returns the ID of the Sone that this element belongs to.
 292  *
 293  * @param element
 294  *            The element to locate the matching Sone ID for
 295  * @returns The ID of the Sone, or undefined
 296  */
 297 function getSoneId(element) {
 298         return getSoneElement(element).find(".id").text();
 299 }
 300
 301 function getPostElement(element) {
 302         return $(element).closest(".post");
 303 }
 304
 305 function getPostId(element) {
 306         return getPostElement(element).attr("id");
 307 }
 308
 309 function getPostTime(element) {
 310         return getPostElement(element).find(".post-time").text();
 311 }
 312
 313 /**
 314  * Returns the author of the post the given element belongs to.
 315  *
 316  * @param element
 317  *            The element whose post to get the author for
 318  * @returns The ID of the authoring Sone
 319  */
 320 function getPostAuthor(element) {
 321         return getPostElement(element).find(".post-author").text();
 322 }
 323
 324 function getReplyElement(element) {
 325         return $(element).closest(".reply");
 326 }
 327
 328 function getReplyId(element) {
 329         return getReplyElement(element).attr("id");
 330 }
 331
 332 function getReplyTime(element) {
 333         return getReplyElement(element).find(".reply-time").text();
 334 }
 335
 336 /**
 337  * Returns the author of the reply the given element belongs to.
 338  *
 339  * @param element
 340  *            The element whose reply to get the author for
 341  * @returns The ID of the authoring Sone
 342  */
 343 function getReplyAuthor(element) {
 344         return getReplyElement(element).find(".reply-author").text();
 345 }
 346
 347 function likePost(postId) {
 348         $.getJSON("like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 349                 if ((data == null) || !data.success) {
 350                         return;
 351                 }
 352                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
 353                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
 354                 updatePostLikes(postId);
 355         }, function(xmlHttpRequest, textStatus, error) {
 356                 /* ignore error. */
 357         });
 358 }
 359
 360 function unlikePost(postId) {
 361         $.getJSON("unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 362                 if ((data == null) || !data.success) {
 363                         return;
 364                 }
 365                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
 366                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
 367                 updatePostLikes(postId);
 368         }, function(xmlHttpRequest, textStatus, error) {
 369                 /* ignore error. */
 370         });
 371 }
 372
 373 function updatePostLikes(postId) {
 374         $.getJSON("getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
 375                 if ((data != null) && data.success) {
 376                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0)
 377                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
 378                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
 379                 }
 380         }, function(xmlHttpRequest, textStatus, error) {
 381                 /* ignore error. */
 382         });
 383 }
 384
 385 function likeReply(replyId) {
 386         $.getJSON("like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 387                 if ((data == null) || !data.success) {
 388                         return;
 389                 }
 390                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
 391                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
 392                 updateReplyLikes(replyId);
 393         }, function(xmlHttpRequest, textStatus, error) {
 394                 /* ignore error. */
 395         });
 396 }
 397
 398 function unlikeReply(replyId) {
 399         $.getJSON("unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 400                 if ((data == null) || !data.success) {
 401                         return;
 402                 }
 403                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
 404                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
 405                 updateReplyLikes(replyId);
 406         }, function(xmlHttpRequest, textStatus, error) {
 407                 /* ignore error. */
 408         });
 409 }
 410
 411 /**
 412  * Trusts the Sone with the given ID.
 413  *
 414  * @param soneId
 415  *            The ID of the Sone to trust
 416  */
 417 function trustSone(soneId) {
 418         $.getJSON("trustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 419                 if ((data != null) && data.success) {
 420                         updateTrustControls(soneId, data.trustValue);
 421                 }
 422         });
 423 }
 424
 425 /**
 426  * Distrusts the Sone with the given ID, i.e. assigns a negative trust value.
 427  *
 428  * @param soneId
 429  *            The ID of the Sone to distrust
 430  */
 431 function distrustSone(soneId) {
 432         $.getJSON("distrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 433                 if ((data != null) && data.success) {
 434                         updateTrustControls(soneId, data.trustValue);
 435                 }
 436         });
 437 }
 438
 439 /**
 440  * Untrusts the Sone with the given ID, i.e. removes any trust assignment.
 441  *
 442  * @param soneId
 443  *            The ID of the Sone to untrust
 444  */
 445 function untrustSone(soneId) {
 446         $.getJSON("untrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 447                 if ((data != null) && data.success) {
 448                         updateTrustControls(soneId, data.trustValue);
 449                 }
 450         });
 451 }
 452
 453 /**
 454  * Updates the trust controls for all posts and replies of the given Sone,
 455  * according to the given trust value.
 456  *
 457  * @param soneId
 458  *            The ID of the Sone to update all trust controls for
 459  * @param trustValue
 460  *            The trust value for the Sone
 461  */
 462 function updateTrustControls(soneId, trustValue) {
 463         $("#sone .post").each(function() {
 464                 if (getPostAuthor(this) == soneId) {
 465                         getPostElement(this).find(".post-trust").toggleClass("hidden", trustValue != null);
 466                         getPostElement(this).find(".post-distrust").toggleClass("hidden", trustValue != null);
 467                         getPostElement(this).find(".post-untrust").toggleClass("hidden", trustValue == null);
 468                 }
 469         });
 470         $("#sone .reply").each(function() {
 471                 if (getReplyAuthor(this) == soneId) {
 472                         getReplyElement(this).find(".reply-trust").toggleClass("hidden", trustValue != null);
 473                         getReplyElement(this).find(".reply-distrust").toggleClass("hidden", trustValue != null);
 474                         getReplyElement(this).find(".reply-untrust").toggleClass("hidden", trustValue == null);
 475                 }
 476         });
 477 }
 478
 479 function updateReplyLikes(replyId) {
 480         $.getJSON("getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
 481                 if ((data != null) && data.success) {
 482                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0)
 483                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
 484                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
 485                 }
 486         }, function(xmlHttpRequest, textStatus, error) {
 487                 /* ignore error. */
 488         });
 489 }
 490
 491 /**
 492  * Posts a reply and calls the given callback when the request finishes.
 493  *
 494  * @param sender
 495  *            The ID of the sender
 496  * @param postId
 497  *            The ID of the post the reply refers to
 498  * @param text
 499  *            The text to post
 500  * @param callbackFunction
 501  *            The callback function to call when the request finishes (takes 3
 502  *            parameters: success, error, replyId)
 503  */
 504 function postReply(sender, postId, text, callbackFunction) {
 505         $.getJSON("createReply.ajax", { "formPassword" : getFormPassword(), "sender": sender, "post" : postId, "text": text }, function(data, textStatus) {
 506                 if (data == null) {
 507                         /* TODO - show error */
 508                         return;
 509                 }
 510                 if (data.success) {
 511                         callbackFunction(true, null, data.reply, data.sone);
 512                 } else {
 513                         callbackFunction(false, data.error);
 514                 }
 515         }, function(xmlHttpRequest, textStatus, error) {
 516                 /* ignore error. */
 517         });
 518 }
 519
 520 /**
 521  * Requests information about the reply with the given ID.
 522  *
 523  * @param replyId
 524  *            The ID of the reply
 525  * @param callbackFunction
 526  *            A callback function (parameters soneId, soneName, replyTime,
 527  *            replyDisplayTime, text, html)
 528  */
 529 function getReply(replyId, callbackFunction) {
 530         $.getJSON("getReply.ajax", { "reply" : replyId }, function(data, textStatus) {
 531                 if ((data != null) && data.success) {
 532                         callbackFunction(data.soneId, data.soneName, data.time, data.displayTime, data.text, data.html);
 533                 }
 534         }, function(xmlHttpRequest, textStatus, error) {
 535                 /* ignore error. */
 536         });
 537 }
 538
 539 /**
 540  * Ajaxifies the given Sone by enhancing all eligible elements with AJAX.
 541  *
 542  * @param soneElement
 543  *            The Sone to ajaxify
 544  */
 545 function ajaxifySone(soneElement) {
 546         /*
 547          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
 548          * nicer.
 549          */
 550         $(".follow", soneElement).submit(function() {
 551                 var followElement = this;
 552                 $.getJSON("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 553                         $(followElement).addClass("hidden");
 554                         $(followElement).parent().find(".unfollow").removeClass("hidden");
 555                 });
 556                 return false;
 557         });
 558         $(".unfollow", soneElement).submit(function() {
 559                 var unfollowElement = this;
 560                 $.getJSON("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 561                         $(unfollowElement).addClass("hidden");
 562                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
 563                 });
 564                 return false;
 565         });
 566         $(".lock", soneElement).submit(function() {
 567                 var lockElement = this;
 568                 $.getJSON("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 569                         $(lockElement).addClass("hidden");
 570                         $(lockElement).parent().find(".unlock").removeClass("hidden");
 571                 });
 572                 return false;
 573         });
 574         $(".unlock", soneElement).submit(function() {
 575                 var unlockElement = this;
 576                 $.getJSON("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 577                         $(unlockElement).addClass("hidden");
 578                         $(unlockElement).parent().find(".lock").removeClass("hidden");
 579                 });
 580                 return false;
 581         });
 582 }
 583
 584 /**
 585  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
 586  *
 587  * @param postElement
 588  *            The post element to ajaxify
 589  */
 590 function ajaxifyPost(postElement) {
 591         $(postElement).find("form").submit(function() {
 592                 return false;
 593         });
 594         $(postElement).find(".create-reply button:submit").click(function() {
 595                 sender = $(this.form).find(":input[name=sender]").val();
 596                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
 597                 postId = getPostId(this);
 598                 text = $(inputField).val();
 599                 (function(sender, postId, text, inputField) {
 600                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
 601                                 if (success) {
 602                                         $(inputField).val("");
 603                                         loadNewReply(replyId, soneId, postId);
 604                                         markPostAsKnown(getPostElement(inputField));
 605                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 606                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
 607                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
 608                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
 609                                 } else {
 610                                         alert(error);
 611                                 }
 612                         });
 613                 })(sender, postId, text, inputField);
 614                 return false;
 615         });
 616
 617         /* replace all “delete” buttons with javascript. */
 618         (function(postElement) {
 619                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 620                         postId = getPostId(postElement);
 621                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 622                 });
 623         })(postElement);
 624
 625         /* convert all “like” buttons to javascript functions. */
 626         $(postElement).find(".like-post").submit(function() {
 627                 likePost(getPostId(this));
 628                 markPostAsKnown(getPostElement(this));
 629                 return false;
 630         });
 631         $(postElement).find(".unlike-post").submit(function() {
 632                 unlikePost(getPostId(this));
 633                 markPostAsKnown(getPostElement(this));
 634                 return false;
 635         });
 636
 637         /* convert trust control buttons to javascript functions. */
 638         $(postElement).find(".post-trust").submit(function() {
 639                 trustSone(getPostAuthor(this));
 640                 return false;
 641         });
 642         $(postElement).find(".post-distrust").submit(function() {
 643                 distrustSone(getPostAuthor(this));
 644                 return false;
 645         });
 646         $(postElement).find(".post-untrust").submit(function() {
 647                 untrustSone(getPostAuthor(this));
 648                 return false;
 649         });
 650
 651         /* add “comment” link. */
 652         addCommentLink(getPostId(postElement), postElement, $(postElement).find(".post-status-line .time"));
 653
 654         /* process all replies. */
 655         $(postElement).find(".reply").each(function() {
 656                 ajaxifyReply(this);
 657         });
 658
 659         /* process reply input fields. */
 660         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 661                 $(postElement).find("input.reply-input").each(function() {
 662                         registerInputTextareaSwap(this, text, "text", false, false);
 663                 });
 664         });
 665
 666         /* process sender selection. */
 667         $(".select-sender", postElement).css("display", "inline");
 668         $(".sender", postElement).hide();
 669         $(".select-sender button", postElement).click(function() {
 670                 $(".sender", postElement).show();
 671                 $(".select-sender", postElement).hide();
 672                 return false;
 673         });
 674
 675         /* mark everything as known on click. */
 676         $(postElement).click(function(event) {
 677                 if ($(event.target).hasClass("click-to-show")) {
 678                         return false;
 679                 }
 680                 markPostAsKnown(this);
 681         });
 682
 683         /* hide reply input field. */
 684         $(postElement).find(".create-reply").addClass("hidden");
 685 }
 686
 687 /**
 688  * Ajaxifies the given reply element.
 689  *
 690  * @param replyElement
 691  *            The reply element to ajaxify
 692  */
 693 function ajaxifyReply(replyElement) {
 694         $(replyElement).find(".like-reply").submit(function() {
 695                 likeReply(getReplyId(this));
 696                 markPostAsKnown(getPostElement(this));
 697                 return false;
 698         });
 699         $(replyElement).find(".unlike-reply").submit(function() {
 700                 unlikeReply(getReplyId(this));
 701                 markPostAsKnown(getPostElement(this));
 702                 return false;
 703         });
 704         (function(replyElement) {
 705                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 706                         $(replyElement).find(".delete-reply button").each(function() {
 707                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 708                         });
 709                 });
 710         })(replyElement);
 711         addCommentLink(getPostId(replyElement), replyElement, $(replyElement).find(".reply-status-line .time"));
 712
 713         /* convert trust control buttons to javascript functions. */
 714         $(replyElement).find(".reply-trust").submit(function() {
 715                 trustSone(getReplyAuthor(this));
 716                 return false;
 717         });
 718         $(replyElement).find(".reply-distrust").submit(function() {
 719                 distrustSone(getReplyAuthor(this));
 720                 return false;
 721         });
 722         $(replyElement).find(".reply-untrust").submit(function() {
 723                 untrustSone(getReplyAuthor(this));
 724                 return false;
 725         });
 726
 727         /* mark post and all replies as known on click. */
 728         $(replyElement).click(function() {
 729                 markPostAsKnown(getPostElement(this));
 730         });
 731 }
 732
 733 /**
 734  * Ajaxifies the given notification by replacing the form with AJAX.
 735  *
 736  * @param notification
 737  *            jQuery object representing the notification.
 738  */
 739 function ajaxifyNotification(notification) {
 740         notification.find("form").submit(function() {
 741                 return false;
 742         });
 743         notification.find("input[name=returnPage]").val($.url.attr("relative"));
 744         if (notification.find(".short-text").length > 0) {
 745                 notification.find(".short-text").removeClass("hidden");
 746                 notification.find(".text").addClass("hidden");
 747         }
 748         notification.find("form.mark-as-read button").click(function() {
 749                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": $(":input[name=id]", this.form).val()});
 750         });
 751         notification.find("form.dismiss button").click(function() {
 752                 $.getJSON("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 753                         /* dismiss in case of error, too. */
 754                         notification.slideUp();
 755                 }, function(xmlHttpRequest, textStatus, error) {
 756                         /* ignore error. */
 757                 });
 758         });
 759         return notification;
 760 }
 761
 762 function getStatus() {
 763         $.getJSON("getStatus.ajax", {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
 764                 if ((data != null) && data.success) {
 765                         /* process Sone information. */
 766                         $.each(data.sones, function(index, value) {
 767                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated);
 768                         });
 769                         /* process notifications. */
 770                         $.each(data.notifications, function(index, value) {
 771                                 oldNotification = $("#sone #notification-area .notification#" + value.id);
 772                                 notification = ajaxifyNotification(createNotification(value.id, value.text, value.dismissable)).hide();
 773                                 if (oldNotification.length != 0) {
 774                                         if (oldNotification.find(".short-text").length > 0) {
 775                                                 opened = !oldNotification.find(".short-text").hasClass("hidden");
 776                                                 notification.find(".short-text").toggleClass("hidden", opened);
 777                                                 notification.find(".text").toggleClass("hidden", !opened);
 778                                         }
 779                                         oldNotification.replaceWith(notification.show());
 780                                 } else {
 781                                         $("#sone #notification-area").append(notification);
 782                                         notification.slideDown();
 783                                 }
 784                                 setActivity();
 785                         });
 786                         $.each(data.removedNotifications, function(index, value) {
 787                                 $("#sone #notification-area .notification#" + value.id).slideUp();
 788                         });
 789                         /* process new posts. */
 790                         $.each(data.newPosts, function(index, value) {
 791                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
 792                         });
 793                         /* process new replies. */
 794                         $.each(data.newReplies, function(index, value) {
 795                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
 796                         });
 797                         /* do it again in 5 seconds. */
 798                         setTimeout(getStatus, 5000);
 799                 } else {
 800                         /* data.success was false, wait 30 seconds. */
 801                         setTimeout(getStatus, 30000);
 802                 }
 803         }, function(xmlHttpRequest, textStatus, error) {
 804                 /* something really bad happend, wait a minute. */
 805                 setTimeout(getStatus, 60000);
 806         })
 807 }
 808
 809 /**
 810  * Returns the ID of the currently logged in Sone.
 811  *
 812  * @return The ID of the current Sone, or an empty string if no Sone is logged
 813  *         in
 814  */
 815 function getCurrentSoneId() {
 816         return $("#currentSoneId").text();
 817 }
 818
 819 /**
 820  * Returns the content of the page-id attribute.
 821  *
 822  * @returns The page ID
 823  */
 824 function getPageId() {
 825         return $("#sone .page-id").text();
 826 }
 827
 828 /**
 829  * Returns whether the current page is the index page.
 830  *
 831  * @returns {Boolean} <code>true</code> if the current page is the index page,
 832  *          <code>false</code> otherwise
 833  */
 834 function isIndexPage() {
 835         return getPageId() == "index";
 836 }
 837
 838 /**
 839  * Returns whether the current page is a “view Sone” page.
 840  *
 841  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
 842  *          page, <code>false</code> otherwise
 843  */
 844 function isViewSonePage() {
 845         return getPageId() == "view-sone";
 846 }
 847
 848 /**
 849  * Returns the ID of the currently shown Sone. This will only return a sensible
 850  * value if isViewSonePage() returns <code>true</code>.
 851  *
 852  * @returns The ID of the currently shown Sone
 853  */
 854 function getShownSoneId() {
 855         return $("#sone .sone-id").text();
 856 }
 857
 858 /**
 859  * Returns whether the current page is a “view post” page.
 860  *
 861  * @returns {Boolean} <code>true</code> if the current page is a “view post”
 862  *          page, <code>false</code> otherwise
 863  */
 864 function isViewPostPage() {
 865         return getPageId() == "view-post";
 866 }
 867
 868 /**
 869  * Returns the ID of the currently shown post. This will only return a sensible
 870  * value if isViewPostPage() returns <code>true</code>.
 871  *
 872  * @returns The ID of the currently shown post
 873  */
 874 function getShownPostId() {
 875         return $("#sone .post-id").text();
 876 }
 877
 878 /**
 879  * Returns whether the current page is the “known Sones” page.
 880  *
 881  * @returns {Boolean} <code>true</code> if the current page is the “known
 882  *          Sones” page, <code>false</code> otherwise
 883  */
 884 function isKnownSonesPage() {
 885         return getPageId() == "known-sones";
 886 }
 887
 888 /**
 889  * Returns whether a post with the given ID exists on the current page.
 890  *
 891  * @param postId
 892  *            The post ID to check for
 893  * @returns {Boolean} <code>true</code> if a post with the given ID already
 894  *          exists on the page, <code>false</code> otherwise
 895  */
 896 function hasPost(postId) {
 897         return $(".post#" + postId).length > 0;
 898 }
 899
 900 /**
 901  * Returns whether a reply with the given ID exists on the current page.
 902  *
 903  * @param replyId
 904  *            The reply ID to check for
 905  * @returns {Boolean} <code>true</code> if a reply with the given ID already
 906  *          exists on the page, <code>false</code> otherwise
 907  */
 908 function hasReply(replyId) {
 909         return $("#sone .reply#" + replyId).length > 0;
 910 }
 911
 912 function loadNewPost(postId, soneId, recipientId, time) {
 913         if (hasPost(postId)) {
 914                 return;
 915         }
 916         if (!isIndexPage()) {
 917                 if (!isViewPostPage() || (getShownPostId() != postId)) {
 918                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId))) {
 919                                 return;
 920                         }
 921                 }
 922         }
 923         if (getPostTime($("#sone .post").last()) > time) {
 924                 return;
 925         }
 926         $.getJSON("getPost.ajax", { "post" : postId }, function(data, textStatus) {
 927                 if ((data != null) && data.success) {
 928                         if (hasPost(data.post.id)) {
 929                                 return;
 930                         }
 931                         if (!isIndexPage() && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient)))) {
 932                                 return;
 933                         }
 934                         var firstOlderPost = null;
 935                         $("#sone .post").each(function() {
 936                                 if (getPostTime(this) < data.post.time) {
 937                                         firstOlderPost = $(this);
 938                                         return false;
 939                                 }
 940                         });
 941                         newPost = $(data.post.html).addClass("hidden");
 942                         if (firstOlderPost != null) {
 943                                 newPost.insertBefore(firstOlderPost);
 944                         }
 945                         ajaxifyPost(newPost);
 946                         newPost.slideDown();
 947                         setActivity();
 948                 }
 949         });
 950 }
 951
 952 function loadNewReply(replyId, soneId, postId, postSoneId) {
 953         if (hasReply(replyId)) {
 954                 return;
 955         }
 956         if (!hasPost(postId)) {
 957                 return;
 958         }
 959         $.getJSON("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
 960                 /* find post. */
 961                 if ((data != null) && data.success) {
 962                         if (hasReply(data.reply.id)) {
 963                                 return;
 964                         }
 965                         $("#sone .post#" + data.reply.postId).each(function() {
 966                                 var firstNewerReply = null;
 967                                 $(this).find(".replies .reply").each(function() {
 968                                         if (getReplyTime(this) > data.reply.time) {
 969                                                 firstNewerReply = $(this);
 970                                                 return false;
 971                                         }
 972                                 });
 973                                 newReply = $(data.reply.html).addClass("hidden");
 974                                 if (firstNewerReply != null) {
 975                                         newReply.insertBefore(firstNewerReply);
 976                                 } else {
 977                                         if ($(this).find(".replies .create-reply")) {
 978                                                 $(this).find(".replies .create-reply").before(newReply);
 979                                         } else {
 980                                                 $(this).find(".replies").append(newReply);
 981                                         }
 982                                 }
 983                                 ajaxifyReply(newReply);
 984                                 newReply.slideDown();
 985                                 setActivity();
 986                                 return false;
 987                         });
 988                 }
 989         });
 990 }
 991
 992 /**
 993  * Marks the given Sone as known if it is still new.
 994  *
 995  * @param soneElement
 996  *            The Sone to mark as known
 997  */
 998 function markSoneAsKnown(soneElement) {
 999         if ($(".new", soneElement).length > 0) {
1000                 $.getJSON("maskAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)}, function(data, textStatus) {
1001                         $(soneElement).removeClass("new");
1002                 });
1003         }
1004 }
1005
1006 function markPostAsKnown(postElements) {
1007         $(postElements).each(function() {
1008                 postElement = this;
1009                 if ($(postElement).hasClass("new")) {
1010                         (function(postElement) {
1011                                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)}, function(data, textStatus) {
1012                                         $(postElement).removeClass("new");
1013                                         $(".click-to-show", postElement).removeClass("new");
1014                                 });
1015                         })(postElement);
1016                 }
1017         });
1018         markReplyAsKnown($(postElements).find(".reply"));
1019 }
1020
1021 function markReplyAsKnown(replyElements) {
1022         $(replyElements).each(function() {
1023                 replyElement = this;
1024                 if ($(replyElement).hasClass("new")) {
1025                         (function(replyElement) {
1026                                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)}, function(data, textStatus) {
1027                                         $(replyElement).removeClass("new");
1028                                 });
1029                         })(replyElement);
1030                 }
1031         });
1032 }
1033
1034 function resetActivity() {
1035         title = document.title;
1036         if (title.indexOf('(') == 0) {
1037                 document.title = title.substr(title.indexOf(' ') + 1);
1038         }
1039 }
1040
1041 function setActivity() {
1042         if (!focus) {
1043                 title = document.title;
1044                 if (title.indexOf('(') != 0) {
1045                         document.title = "(!) " + title;
1046                 }
1047         }
1048 }
1049
1050 /**
1051  * Creates a new notification.
1052  *
1053  * @param id
1054  *            The ID of the notificaiton
1055  * @param text
1056  *            The text of the notification
1057  * @param dismissable
1058  *            <code>true</code> if the notification can be dismissed by the
1059  *            user
1060  */
1061 function createNotification(id, text, dismissable) {
1062         notification = $("<div></div>").addClass("notification").attr("id", id);
1063         if (dismissable) {
1064                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id")
1065                 dismissForm.find("input[name=notification]").val(id);
1066                 notification.append(dismissForm);
1067         }
1068         notification.append(text);
1069         return notification;
1070 }
1071
1072 /**
1073  * Shows the details of the notification with the given ID.
1074  *
1075  * @param notificationId
1076  *            The ID of the notification
1077  */
1078 function showNotificationDetails(notificationId) {
1079         $("#sone .notification#" + notificationId + " .text").show();
1080         $("#sone .notification#" + notificationId + " .short-text").hide();
1081 }
1082
1083 /**
1084  * Deletes the field with the given ID from the profile.
1085  *
1086  * @param fieldId
1087  *            The ID of the field to delete
1088  */
1089 function deleteProfileField(fieldId) {
1090         $.getJSON("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1091                 if (data && data.success) {
1092                         $("#sone .profile-field#" + data.field.id).slideUp();
1093                 }
1094         });
1095 }
1096
1097 /**
1098  * Renames a profile field.
1099  *
1100  * @param fieldId
1101  *            The ID of the field to rename
1102  * @param newName
1103  *            The new name of the field
1104  * @param successFunction
1105  *            Called when the renaming was successful
1106  */
1107 function editProfileField(fieldId, newName, successFunction) {
1108         $.getJSON("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1109                 if (data && data.success) {
1110                         successFunction();
1111                 }
1112         });
1113 }
1114
1115 /**
1116  * Moves the profile field with the given ID one slot in the given direction.
1117  *
1118  * @param fieldId
1119  *            The ID of the field to move
1120  * @param direction
1121  *            The direction to move in (“up” or “down”)
1122  * @param successFunction
1123  *            Function to call on success
1124  */
1125 function moveProfileField(fieldId, direction, successFunction) {
1126         $.getJSON("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1127                 if (data && data.success) {
1128                         successFunction();
1129                 }
1130         });
1131 }
1132
1133 /**
1134  * Moves the profile field with the given ID up one slot.
1135  *
1136  * @param fieldId
1137  *            The ID of the field to move
1138  * @param successFunction
1139  *            Function to call on success
1140  */
1141 function moveProfileFieldUp(fieldId, successFunction) {
1142         moveProfileField(fieldId, "up", successFunction);
1143 }
1144
1145 /**
1146  * Moves the profile field with the given ID down one slot.
1147  *
1148  * @param fieldId
1149  *            The ID of the field to move
1150  * @param successFunction
1151  *            Function to call on success
1152  */
1153 function moveProfileFieldDown(fieldId, successFunction) {
1154         moveProfileField(fieldId, "down", successFunction);
1155 }
1156
1157 //
1158 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1159 //
1160
1161 var focus = true;
1162
1163 $(document).ready(function() {
1164
1165         /* this initializes the status update input field. */
1166         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1167                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1168                 $("#sone #update-status .select-sender").css("display", "inline");
1169                 $("#sone #update-status .sender").hide();
1170                 $("#sone #update-status .select-sender button").click(function() {
1171                         $("#sone #update-status .sender").show();
1172                         $("#sone #update-status .select-sender").hide();
1173                         return false;
1174                 });
1175                 $("#sone #update-status").submit(function() {
1176                         if ($(this).find(":input.default:enabled").length > 0) {
1177                                 return false;
1178                         }
1179                         sender = $(this).find(":input[name=sender]").val();
1180                         text = $(this).find(":input[name=text]:enabled").val();
1181                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1182                                 if ((data != null) && data.success) {
1183                                         loadNewPost(data.postId, data.sone, data.recipient);
1184                                 }
1185                         });
1186                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1187                         $(this).find(":input[name=text]:enabled").val("").blur();
1188                         $(this).find(".sender").hide();
1189                         $(this).find(".select-sender").show();
1190                         return false;
1191                 });
1192         });
1193
1194         /* ajaxify input field on “view Sone” page. */
1195         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1196                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1197                 $("#sone #post-message").submit(function() {
1198                         text = $(this).find(":input:enabled").val();
1199                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "text": text }, function(data, textStatus) {
1200                                 if ((data != null) && data.success) {
1201                                         loadNewPost(data.postId, getCurrentSoneId());
1202                                 }
1203                         });
1204                         $(this).find(":input:enabled").val("").blur();
1205                         return false;
1206                 });
1207         });
1208
1209         /* Ajaxifies all posts. */
1210         /* calling getTranslation here will cache the necessary values. */
1211         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1212                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1213                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1214                                 $("#sone .post").each(function() {
1215                                         ajaxifyPost(this);
1216                                 });
1217                         });
1218                 });
1219         });
1220
1221         /* hides all replies but the latest two. */
1222         if (!isViewPostPage()) {
1223                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1224                         $("#sone .post .replies").each(function() {
1225                                 allReplies = $(this).find(".reply");
1226                                 if (allReplies.length > 2) {
1227                                         newHidden = false;
1228                                         for (replyIndex = 0; replyIndex < (allReplies.length - 2); ++replyIndex) {
1229                                                 $(allReplies[replyIndex]).addClass("hidden");
1230                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1231                                         }
1232                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1233                                         if (newHidden) {
1234                                                 clickToShowElement.addClass("new");
1235                                         }
1236                                         (function(clickToShowElement, allReplies, text) {
1237                                                 clickToShowElement.text(text);
1238                                                 clickToShowElement.click(function() {
1239                                                         allReplies.removeClass("hidden");
1240                                                         clickToShowElement.addClass("hidden");
1241                                                 });
1242                                         })(clickToShowElement, allReplies, text);
1243                                         $(allReplies[0]).before(clickToShowElement);
1244                                 }
1245                         });
1246                 });
1247         }
1248
1249         $("#sone .sone").each(function() {
1250                 ajaxifySone($(this));
1251         });
1252
1253         /* process all existing notifications, ajaxify dismiss buttons. */
1254         $("#sone #notification-area .notification").each(function() {
1255                 ajaxifyNotification($(this));
1256         });
1257
1258         /* activate status polling. */
1259         setTimeout(getStatus, 5000);
1260
1261         /* reset activity counter when the page has focus. */
1262         $(window).focus(function() {
1263                 focus = true;
1264                 resetActivity();
1265         }).blur(function() {
1266                 focus = false;
1267         })
1268
1269 });