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         /* mark Sone as known when clicking it. */
 584         $(soneElement).click(function() {
 585                 markSoneAsKnown(soneElement);
 586         });
 587 }
 588
 589 /**
 590  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
 591  *
 592  * @param postElement
 593  *            The post element to ajaxify
 594  */
 595 function ajaxifyPost(postElement) {
 596         $(postElement).find("form").submit(function() {
 597                 return false;
 598         });
 599         $(postElement).find(".create-reply button:submit").click(function() {
 600                 sender = $(this.form).find(":input[name=sender]").val();
 601                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
 602                 postId = getPostId(this);
 603                 text = $(inputField).val();
 604                 (function(sender, postId, text, inputField) {
 605                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
 606                                 if (success) {
 607                                         $(inputField).val("");
 608                                         loadNewReply(replyId, soneId, postId);
 609                                         markPostAsKnown(getPostElement(inputField));
 610                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 611                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
 612                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
 613                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
 614                                 } else {
 615                                         alert(error);
 616                                 }
 617                         });
 618                 })(sender, postId, text, inputField);
 619                 return false;
 620         });
 621
 622         /* replace all “delete” buttons with javascript. */
 623         (function(postElement) {
 624                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 625                         postId = getPostId(postElement);
 626                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 627                 });
 628         })(postElement);
 629
 630         /* convert all “like” buttons to javascript functions. */
 631         $(postElement).find(".like-post").submit(function() {
 632                 likePost(getPostId(this));
 633                 markPostAsKnown(getPostElement(this));
 634                 return false;
 635         });
 636         $(postElement).find(".unlike-post").submit(function() {
 637                 unlikePost(getPostId(this));
 638                 markPostAsKnown(getPostElement(this));
 639                 return false;
 640         });
 641
 642         /* convert trust control buttons to javascript functions. */
 643         $(postElement).find(".post-trust").submit(function() {
 644                 trustSone(getPostAuthor(this));
 645                 return false;
 646         });
 647         $(postElement).find(".post-distrust").submit(function() {
 648                 distrustSone(getPostAuthor(this));
 649                 return false;
 650         });
 651         $(postElement).find(".post-untrust").submit(function() {
 652                 untrustSone(getPostAuthor(this));
 653                 return false;
 654         });
 655
 656         /* add “comment” link. */
 657         addCommentLink(getPostId(postElement), postElement, $(postElement).find(".post-status-line .time"));
 658
 659         /* process all replies. */
 660         $(postElement).find(".reply").each(function() {
 661                 ajaxifyReply(this);
 662         });
 663
 664         /* process reply input fields. */
 665         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 666                 $(postElement).find("input.reply-input").each(function() {
 667                         registerInputTextareaSwap(this, text, "text", false, false);
 668                 });
 669         });
 670
 671         /* process sender selection. */
 672         $(".select-sender", postElement).css("display", "inline");
 673         $(".sender", postElement).hide();
 674         $(".select-sender button", postElement).click(function() {
 675                 $(".sender", postElement).show();
 676                 $(".select-sender", postElement).hide();
 677                 return false;
 678         });
 679
 680         /* mark everything as known on click. */
 681         $(postElement).click(function(event) {
 682                 if ($(event.target).hasClass("click-to-show")) {
 683                         return false;
 684                 }
 685                 markPostAsKnown(this);
 686         });
 687
 688         /* hide reply input field. */
 689         $(postElement).find(".create-reply").addClass("hidden");
 690 }
 691
 692 /**
 693  * Ajaxifies the given reply element.
 694  *
 695  * @param replyElement
 696  *            The reply element to ajaxify
 697  */
 698 function ajaxifyReply(replyElement) {
 699         $(replyElement).find(".like-reply").submit(function() {
 700                 likeReply(getReplyId(this));
 701                 markPostAsKnown(getPostElement(this));
 702                 return false;
 703         });
 704         $(replyElement).find(".unlike-reply").submit(function() {
 705                 unlikeReply(getReplyId(this));
 706                 markPostAsKnown(getPostElement(this));
 707                 return false;
 708         });
 709         (function(replyElement) {
 710                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 711                         $(replyElement).find(".delete-reply button").each(function() {
 712                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 713                         });
 714                 });
 715         })(replyElement);
 716         addCommentLink(getPostId(replyElement), replyElement, $(replyElement).find(".reply-status-line .time"));
 717
 718         /* convert trust control buttons to javascript functions. */
 719         $(replyElement).find(".reply-trust").submit(function() {
 720                 trustSone(getReplyAuthor(this));
 721                 return false;
 722         });
 723         $(replyElement).find(".reply-distrust").submit(function() {
 724                 distrustSone(getReplyAuthor(this));
 725                 return false;
 726         });
 727         $(replyElement).find(".reply-untrust").submit(function() {
 728                 untrustSone(getReplyAuthor(this));
 729                 return false;
 730         });
 731
 732         /* mark post and all replies as known on click. */
 733         $(replyElement).click(function() {
 734                 markPostAsKnown(getPostElement(this));
 735         });
 736 }
 737
 738 /**
 739  * Ajaxifies the given notification by replacing the form with AJAX.
 740  *
 741  * @param notification
 742  *            jQuery object representing the notification.
 743  */
 744 function ajaxifyNotification(notification) {
 745         notification.find("form").submit(function() {
 746                 return false;
 747         });
 748         notification.find("input[name=returnPage]").val($.url.attr("relative"));
 749         if (notification.find(".short-text").length > 0) {
 750                 notification.find(".short-text").removeClass("hidden");
 751                 notification.find(".text").addClass("hidden");
 752         }
 753         notification.find("form.mark-as-read button").click(function() {
 754                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": $(":input[name=id]", this.form).val()});
 755         });
 756         notification.find("form.dismiss button").click(function() {
 757                 $.getJSON("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 758                         /* dismiss in case of error, too. */
 759                         notification.slideUp();
 760                 }, function(xmlHttpRequest, textStatus, error) {
 761                         /* ignore error. */
 762                 });
 763         });
 764         return notification;
 765 }
 766
 767 function getStatus() {
 768         $.getJSON("getStatus.ajax", {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
 769                 if ((data != null) && data.success) {
 770                         /* process Sone information. */
 771                         $.each(data.sones, function(index, value) {
 772                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated);
 773                         });
 774                         /* process notifications. */
 775                         $.each(data.notifications, function(index, value) {
 776                                 oldNotification = $("#sone #notification-area .notification#" + value.id);
 777                                 notification = ajaxifyNotification(createNotification(value.id, value.text, value.dismissable)).hide();
 778                                 if (oldNotification.length != 0) {
 779                                         if (oldNotification.find(".short-text").length > 0) {
 780                                                 opened = !oldNotification.find(".short-text").hasClass("hidden");
 781                                                 notification.find(".short-text").toggleClass("hidden", opened);
 782                                                 notification.find(".text").toggleClass("hidden", !opened);
 783                                         }
 784                                         oldNotification.replaceWith(notification.show());
 785                                 } else {
 786                                         $("#sone #notification-area").append(notification);
 787                                         notification.slideDown();
 788                                 }
 789                                 setActivity();
 790                         });
 791                         $.each(data.removedNotifications, function(index, value) {
 792                                 $("#sone #notification-area .notification#" + value.id).slideUp();
 793                         });
 794                         /* process new posts. */
 795                         $.each(data.newPosts, function(index, value) {
 796                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
 797                         });
 798                         /* process new replies. */
 799                         $.each(data.newReplies, function(index, value) {
 800                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
 801                         });
 802                         /* do it again in 5 seconds. */
 803                         setTimeout(getStatus, 5000);
 804                 } else {
 805                         /* data.success was false, wait 30 seconds. */
 806                         setTimeout(getStatus, 30000);
 807                 }
 808         }, function(xmlHttpRequest, textStatus, error) {
 809                 /* something really bad happend, wait a minute. */
 810                 setTimeout(getStatus, 60000);
 811         })
 812 }
 813
 814 /**
 815  * Returns the ID of the currently logged in Sone.
 816  *
 817  * @return The ID of the current Sone, or an empty string if no Sone is logged
 818  *         in
 819  */
 820 function getCurrentSoneId() {
 821         return $("#currentSoneId").text();
 822 }
 823
 824 /**
 825  * Returns the content of the page-id attribute.
 826  *
 827  * @returns The page ID
 828  */
 829 function getPageId() {
 830         return $("#sone .page-id").text();
 831 }
 832
 833 /**
 834  * Returns whether the current page is the index page.
 835  *
 836  * @returns {Boolean} <code>true</code> if the current page is the index page,
 837  *          <code>false</code> otherwise
 838  */
 839 function isIndexPage() {
 840         return getPageId() == "index";
 841 }
 842
 843 /**
 844  * Returns whether the current page is a “view Sone” page.
 845  *
 846  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
 847  *          page, <code>false</code> otherwise
 848  */
 849 function isViewSonePage() {
 850         return getPageId() == "view-sone";
 851 }
 852
 853 /**
 854  * Returns the ID of the currently shown Sone. This will only return a sensible
 855  * value if isViewSonePage() returns <code>true</code>.
 856  *
 857  * @returns The ID of the currently shown Sone
 858  */
 859 function getShownSoneId() {
 860         return $("#sone .sone-id").text();
 861 }
 862
 863 /**
 864  * Returns whether the current page is a “view post” page.
 865  *
 866  * @returns {Boolean} <code>true</code> if the current page is a “view post”
 867  *          page, <code>false</code> otherwise
 868  */
 869 function isViewPostPage() {
 870         return getPageId() == "view-post";
 871 }
 872
 873 /**
 874  * Returns the ID of the currently shown post. This will only return a sensible
 875  * value if isViewPostPage() returns <code>true</code>.
 876  *
 877  * @returns The ID of the currently shown post
 878  */
 879 function getShownPostId() {
 880         return $("#sone .post-id").text();
 881 }
 882
 883 /**
 884  * Returns whether the current page is the “known Sones” page.
 885  *
 886  * @returns {Boolean} <code>true</code> if the current page is the “known
 887  *          Sones” page, <code>false</code> otherwise
 888  */
 889 function isKnownSonesPage() {
 890         return getPageId() == "known-sones";
 891 }
 892
 893 /**
 894  * Returns whether a post with the given ID exists on the current page.
 895  *
 896  * @param postId
 897  *            The post ID to check for
 898  * @returns {Boolean} <code>true</code> if a post with the given ID already
 899  *          exists on the page, <code>false</code> otherwise
 900  */
 901 function hasPost(postId) {
 902         return $(".post#" + postId).length > 0;
 903 }
 904
 905 /**
 906  * Returns whether a reply with the given ID exists on the current page.
 907  *
 908  * @param replyId
 909  *            The reply ID to check for
 910  * @returns {Boolean} <code>true</code> if a reply with the given ID already
 911  *          exists on the page, <code>false</code> otherwise
 912  */
 913 function hasReply(replyId) {
 914         return $("#sone .reply#" + replyId).length > 0;
 915 }
 916
 917 function loadNewPost(postId, soneId, recipientId, time) {
 918         if (hasPost(postId)) {
 919                 return;
 920         }
 921         if (!isIndexPage()) {
 922                 if (!isViewPostPage() || (getShownPostId() != postId)) {
 923                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId))) {
 924                                 return;
 925                         }
 926                 }
 927         }
 928         if (getPostTime($("#sone .post").last()) > time) {
 929                 return;
 930         }
 931         $.getJSON("getPost.ajax", { "post" : postId }, function(data, textStatus) {
 932                 if ((data != null) && data.success) {
 933                         if (hasPost(data.post.id)) {
 934                                 return;
 935                         }
 936                         if (!isIndexPage() && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient)))) {
 937                                 return;
 938                         }
 939                         var firstOlderPost = null;
 940                         $("#sone .post").each(function() {
 941                                 if (getPostTime(this) < data.post.time) {
 942                                         firstOlderPost = $(this);
 943                                         return false;
 944                                 }
 945                         });
 946                         newPost = $(data.post.html).addClass("hidden");
 947                         if (firstOlderPost != null) {
 948                                 newPost.insertBefore(firstOlderPost);
 949                         }
 950                         ajaxifyPost(newPost);
 951                         newPost.slideDown();
 952                         setActivity();
 953                 }
 954         });
 955 }
 956
 957 function loadNewReply(replyId, soneId, postId, postSoneId) {
 958         if (hasReply(replyId)) {
 959                 return;
 960         }
 961         if (!hasPost(postId)) {
 962                 return;
 963         }
 964         $.getJSON("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
 965                 /* find post. */
 966                 if ((data != null) && data.success) {
 967                         if (hasReply(data.reply.id)) {
 968                                 return;
 969                         }
 970                         $("#sone .post#" + data.reply.postId).each(function() {
 971                                 var firstNewerReply = null;
 972                                 $(this).find(".replies .reply").each(function() {
 973                                         if (getReplyTime(this) > data.reply.time) {
 974                                                 firstNewerReply = $(this);
 975                                                 return false;
 976                                         }
 977                                 });
 978                                 newReply = $(data.reply.html).addClass("hidden");
 979                                 if (firstNewerReply != null) {
 980                                         newReply.insertBefore(firstNewerReply);
 981                                 } else {
 982                                         if ($(this).find(".replies .create-reply")) {
 983                                                 $(this).find(".replies .create-reply").before(newReply);
 984                                         } else {
 985                                                 $(this).find(".replies").append(newReply);
 986                                         }
 987                                 }
 988                                 ajaxifyReply(newReply);
 989                                 newReply.slideDown();
 990                                 setActivity();
 991                                 return false;
 992                         });
 993                 }
 994         });
 995 }
 996
 997 /**
 998  * Marks the given Sone as known if it is still new.
 999  *
1000  * @param soneElement
1001  *            The Sone to mark as known
1002  */
1003 function markSoneAsKnown(soneElement) {
1004         if ($(".new", soneElement).length > 0) {
1005                 $.getJSON("maskAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)}, function(data, textStatus) {
1006                         $(soneElement).removeClass("new");
1007                 });
1008         }
1009 }
1010
1011 function markPostAsKnown(postElements) {
1012         $(postElements).each(function() {
1013                 postElement = this;
1014                 if ($(postElement).hasClass("new")) {
1015                         (function(postElement) {
1016                                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)}, function(data, textStatus) {
1017                                         $(postElement).removeClass("new");
1018                                         $(".click-to-show", postElement).removeClass("new");
1019                                 });
1020                         })(postElement);
1021                 }
1022         });
1023         markReplyAsKnown($(postElements).find(".reply"));
1024 }
1025
1026 function markReplyAsKnown(replyElements) {
1027         $(replyElements).each(function() {
1028                 replyElement = this;
1029                 if ($(replyElement).hasClass("new")) {
1030                         (function(replyElement) {
1031                                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)}, function(data, textStatus) {
1032                                         $(replyElement).removeClass("new");
1033                                 });
1034                         })(replyElement);
1035                 }
1036         });
1037 }
1038
1039 function resetActivity() {
1040         title = document.title;
1041         if (title.indexOf('(') == 0) {
1042                 document.title = title.substr(title.indexOf(' ') + 1);
1043         }
1044 }
1045
1046 function setActivity() {
1047         if (!focus) {
1048                 title = document.title;
1049                 if (title.indexOf('(') != 0) {
1050                         document.title = "(!) " + title;
1051                 }
1052         }
1053 }
1054
1055 /**
1056  * Creates a new notification.
1057  *
1058  * @param id
1059  *            The ID of the notificaiton
1060  * @param text
1061  *            The text of the notification
1062  * @param dismissable
1063  *            <code>true</code> if the notification can be dismissed by the
1064  *            user
1065  */
1066 function createNotification(id, text, dismissable) {
1067         notification = $("<div></div>").addClass("notification").attr("id", id);
1068         if (dismissable) {
1069                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id")
1070                 dismissForm.find("input[name=notification]").val(id);
1071                 notification.append(dismissForm);
1072         }
1073         notification.append(text);
1074         return notification;
1075 }
1076
1077 /**
1078  * Shows the details of the notification with the given ID.
1079  *
1080  * @param notificationId
1081  *            The ID of the notification
1082  */
1083 function showNotificationDetails(notificationId) {
1084         $("#sone .notification#" + notificationId + " .text").show();
1085         $("#sone .notification#" + notificationId + " .short-text").hide();
1086 }
1087
1088 /**
1089  * Deletes the field with the given ID from the profile.
1090  *
1091  * @param fieldId
1092  *            The ID of the field to delete
1093  */
1094 function deleteProfileField(fieldId) {
1095         $.getJSON("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1096                 if (data && data.success) {
1097                         $("#sone .profile-field#" + data.field.id).slideUp();
1098                 }
1099         });
1100 }
1101
1102 /**
1103  * Renames a profile field.
1104  *
1105  * @param fieldId
1106  *            The ID of the field to rename
1107  * @param newName
1108  *            The new name of the field
1109  * @param successFunction
1110  *            Called when the renaming was successful
1111  */
1112 function editProfileField(fieldId, newName, successFunction) {
1113         $.getJSON("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1114                 if (data && data.success) {
1115                         successFunction();
1116                 }
1117         });
1118 }
1119
1120 /**
1121  * Moves the profile field with the given ID one slot in the given direction.
1122  *
1123  * @param fieldId
1124  *            The ID of the field to move
1125  * @param direction
1126  *            The direction to move in (“up” or “down”)
1127  * @param successFunction
1128  *            Function to call on success
1129  */
1130 function moveProfileField(fieldId, direction, successFunction) {
1131         $.getJSON("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1132                 if (data && data.success) {
1133                         successFunction();
1134                 }
1135         });
1136 }
1137
1138 /**
1139  * Moves the profile field with the given ID up one slot.
1140  *
1141  * @param fieldId
1142  *            The ID of the field to move
1143  * @param successFunction
1144  *            Function to call on success
1145  */
1146 function moveProfileFieldUp(fieldId, successFunction) {
1147         moveProfileField(fieldId, "up", successFunction);
1148 }
1149
1150 /**
1151  * Moves the profile field with the given ID down one slot.
1152  *
1153  * @param fieldId
1154  *            The ID of the field to move
1155  * @param successFunction
1156  *            Function to call on success
1157  */
1158 function moveProfileFieldDown(fieldId, successFunction) {
1159         moveProfileField(fieldId, "down", successFunction);
1160 }
1161
1162 //
1163 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1164 //
1165
1166 var focus = true;
1167
1168 $(document).ready(function() {
1169
1170         /* this initializes the status update input field. */
1171         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1172                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1173                 $("#sone #update-status .select-sender").css("display", "inline");
1174                 $("#sone #update-status .sender").hide();
1175                 $("#sone #update-status .select-sender button").click(function() {
1176                         $("#sone #update-status .sender").show();
1177                         $("#sone #update-status .select-sender").hide();
1178                         return false;
1179                 });
1180                 $("#sone #update-status").submit(function() {
1181                         if ($(this).find(":input.default:enabled").length > 0) {
1182                                 return false;
1183                         }
1184                         sender = $(this).find(":input[name=sender]").val();
1185                         text = $(this).find(":input[name=text]:enabled").val();
1186                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1187                                 if ((data != null) && data.success) {
1188                                         loadNewPost(data.postId, data.sone, data.recipient);
1189                                 }
1190                         });
1191                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1192                         $(this).find(":input[name=text]:enabled").val("").blur();
1193                         $(this).find(".sender").hide();
1194                         $(this).find(".select-sender").show();
1195                         return false;
1196                 });
1197         });
1198
1199         /* ajaxify input field on “view Sone” page. */
1200         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1201                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1202                 $("#sone #post-message").submit(function() {
1203                         text = $(this).find(":input:enabled").val();
1204                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "text": text }, function(data, textStatus) {
1205                                 if ((data != null) && data.success) {
1206                                         loadNewPost(data.postId, getCurrentSoneId());
1207                                 }
1208                         });
1209                         $(this).find(":input:enabled").val("").blur();
1210                         return false;
1211                 });
1212         });
1213
1214         /* Ajaxifies all posts. */
1215         /* calling getTranslation here will cache the necessary values. */
1216         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1217                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1218                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1219                                 $("#sone .post").each(function() {
1220                                         ajaxifyPost(this);
1221                                 });
1222                         });
1223                 });
1224         });
1225
1226         /* hides all replies but the latest two. */
1227         if (!isViewPostPage()) {
1228                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1229                         $("#sone .post .replies").each(function() {
1230                                 allReplies = $(this).find(".reply");
1231                                 if (allReplies.length > 2) {
1232                                         newHidden = false;
1233                                         for (replyIndex = 0; replyIndex < (allReplies.length - 2); ++replyIndex) {
1234                                                 $(allReplies[replyIndex]).addClass("hidden");
1235                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1236                                         }
1237                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1238                                         if (newHidden) {
1239                                                 clickToShowElement.addClass("new");
1240                                         }
1241                                         (function(clickToShowElement, allReplies, text) {
1242                                                 clickToShowElement.text(text);
1243                                                 clickToShowElement.click(function() {
1244                                                         allReplies.removeClass("hidden");
1245                                                         clickToShowElement.addClass("hidden");
1246                                                 });
1247                                         })(clickToShowElement, allReplies, text);
1248                                         $(allReplies[0]).before(clickToShowElement);
1249                                 }
1250                         });
1251                 });
1252         }
1253
1254         $("#sone .sone").each(function() {
1255                 ajaxifySone($(this));
1256         });
1257
1258         /* process all existing notifications, ajaxify dismiss buttons. */
1259         $("#sone #notification-area .notification").each(function() {
1260                 ajaxifyNotification($(this));
1261         });
1262
1263         /* activate status polling. */
1264         setTimeout(getStatus, 5000);
1265
1266         /* reset activity counter when the page has focus. */
1267         $(window).focus(function() {
1268                 focus = true;
1269                 resetActivity();
1270         }).blur(function() {
1271                 focus = false;
1272         })
1273
1274 });