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 post by enhancing all eligible elements with AJAX.
 541  *
 542  * @param postElement
 543  *            The post element to ajaxify
 544  */
 545 function ajaxifyPost(postElement) {
 546         $(postElement).find("form").submit(function() {
 547                 return false;
 548         });
 549         $(postElement).find(".create-reply button:submit").click(function() {
 550                 sender = $(this.form).find(":input[name=sender]").val();
 551                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
 552                 postId = getPostId(this);
 553                 text = $(inputField).val();
 554                 (function(sender, postId, text, inputField) {
 555                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
 556                                 if (success) {
 557                                         $(inputField).val("");
 558                                         loadNewReply(replyId, soneId, postId);
 559                                         markPostAsKnown(getPostElement(inputField));
 560                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 561                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
 562                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
 563                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
 564                                 } else {
 565                                         alert(error);
 566                                 }
 567                         });
 568                 })(sender, postId, text, inputField);
 569                 return false;
 570         });
 571
 572         /* replace all “delete” buttons with javascript. */
 573         (function(postElement) {
 574                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 575                         postId = getPostId(postElement);
 576                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 577                 });
 578         })(postElement);
 579
 580         /* convert all “like” buttons to javascript functions. */
 581         $(postElement).find(".like-post").submit(function() {
 582                 likePost(getPostId(this));
 583                 markPostAsKnown(getPostElement(this));
 584                 return false;
 585         });
 586         $(postElement).find(".unlike-post").submit(function() {
 587                 unlikePost(getPostId(this));
 588                 markPostAsKnown(getPostElement(this));
 589                 return false;
 590         });
 591
 592         /* convert trust control buttons to javascript functions. */
 593         $(postElement).find(".post-trust").submit(function() {
 594                 trustSone(getPostAuthor(this));
 595                 return false;
 596         });
 597         $(postElement).find(".post-distrust").submit(function() {
 598                 distrustSone(getPostAuthor(this));
 599                 return false;
 600         });
 601         $(postElement).find(".post-untrust").submit(function() {
 602                 untrustSone(getPostAuthor(this));
 603                 return false;
 604         });
 605
 606         /* add “comment” link. */
 607         addCommentLink(getPostId(postElement), postElement, $(postElement).find(".post-status-line .time"));
 608
 609         /* process all replies. */
 610         $(postElement).find(".reply").each(function() {
 611                 ajaxifyReply(this);
 612         });
 613
 614         /* process reply input fields. */
 615         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 616                 $(postElement).find("input.reply-input").each(function() {
 617                         registerInputTextareaSwap(this, text, "text", false, false);
 618                 });
 619         });
 620
 621         /* process sender selection. */
 622         $(".select-sender", postElement).css("display", "inline");
 623         $(".sender", postElement).hide();
 624         $(".select-sender button", postElement).click(function() {
 625                 $(".sender", postElement).show();
 626                 $(".select-sender", postElement).hide();
 627                 return false;
 628         });
 629
 630         /* mark everything as known on click. */
 631         $(postElement).click(function(event) {
 632                 if ($(event.target).hasClass("click-to-show")) {
 633                         return false;
 634                 }
 635                 markPostAsKnown(this);
 636         });
 637
 638         /* hide reply input field. */
 639         $(postElement).find(".create-reply").addClass("hidden");
 640 }
 641
 642 /**
 643  * Ajaxifies the given reply element.
 644  *
 645  * @param replyElement
 646  *            The reply element to ajaxify
 647  */
 648 function ajaxifyReply(replyElement) {
 649         $(replyElement).find(".like-reply").submit(function() {
 650                 likeReply(getReplyId(this));
 651                 markPostAsKnown(getPostElement(this));
 652                 return false;
 653         });
 654         $(replyElement).find(".unlike-reply").submit(function() {
 655                 unlikeReply(getReplyId(this));
 656                 markPostAsKnown(getPostElement(this));
 657                 return false;
 658         });
 659         (function(replyElement) {
 660                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 661                         $(replyElement).find(".delete-reply button").each(function() {
 662                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 663                         });
 664                 });
 665         })(replyElement);
 666         addCommentLink(getPostId(replyElement), replyElement, $(replyElement).find(".reply-status-line .time"));
 667
 668         /* convert trust control buttons to javascript functions. */
 669         $(replyElement).find(".reply-trust").submit(function() {
 670                 trustSone(getReplyAuthor(this));
 671                 return false;
 672         });
 673         $(replyElement).find(".reply-distrust").submit(function() {
 674                 distrustSone(getReplyAuthor(this));
 675                 return false;
 676         });
 677         $(replyElement).find(".reply-untrust").submit(function() {
 678                 untrustSone(getReplyAuthor(this));
 679                 return false;
 680         });
 681
 682         /* mark post and all replies as known on click. */
 683         $(replyElement).click(function() {
 684                 markPostAsKnown(getPostElement(this));
 685         });
 686 }
 687
 688 /**
 689  * Ajaxifies the given notification by replacing the form with AJAX.
 690  *
 691  * @param notification
 692  *            jQuery object representing the notification.
 693  */
 694 function ajaxifyNotification(notification) {
 695         notification.find("form.dismiss").submit(function() {
 696                 return false;
 697         });
 698         notification.find("form.dismiss button").click(function() {
 699                 $.getJSON("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 700                         /* dismiss in case of error, too. */
 701                         notification.slideUp();
 702                 }, function(xmlHttpRequest, textStatus, error) {
 703                         /* ignore error. */
 704                 });
 705         });
 706         return notification;
 707 }
 708
 709 function getStatus() {
 710         $.getJSON("getStatus.ajax", {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
 711                 if ((data != null) && data.success) {
 712                         /* process Sone information. */
 713                         $.each(data.sones, function(index, value) {
 714                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated);
 715                         });
 716                         /* process notifications. */
 717                         $.each(data.notifications, function(index, value) {
 718                                 oldNotification = $("#sone #notification-area .notification#" + value.id);
 719                                 notification = ajaxifyNotification(createNotification(value.id, value.text, value.dismissable)).hide();
 720                                 if (oldNotification.length != 0) {
 721                                         oldNotification.replaceWith(notification.show());
 722                                 } else {
 723                                         $("#sone #notification-area").append(notification);
 724                                         notification.slideDown();
 725                                 }
 726                                 setActivity();
 727                         });
 728                         $.each(data.removedNotifications, function(index, value) {
 729                                 $("#sone #notification-area .notification#" + value.id).slideUp();
 730                         });
 731                         /* process new posts. */
 732                         $.each(data.newPosts, function(index, value) {
 733                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
 734                         });
 735                         /* process new replies. */
 736                         $.each(data.newReplies, function(index, value) {
 737                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
 738                         });
 739                         /* do it again in 5 seconds. */
 740                         setTimeout(getStatus, 5000);
 741                 } else {
 742                         /* data.success was false, wait 30 seconds. */
 743                         setTimeout(getStatus, 30000);
 744                 }
 745         }, function(xmlHttpRequest, textStatus, error) {
 746                 /* something really bad happend, wait a minute. */
 747                 setTimeout(getStatus, 60000);
 748         })
 749 }
 750
 751 /**
 752  * Returns the ID of the currently logged in Sone.
 753  *
 754  * @return The ID of the current Sone, or an empty string if no Sone is logged
 755  *         in
 756  */
 757 function getCurrentSoneId() {
 758         return $("#currentSoneId").text();
 759 }
 760
 761 /**
 762  * Returns the content of the page-id attribute.
 763  *
 764  * @returns The page ID
 765  */
 766 function getPageId() {
 767         return $("#sone .page-id").text();
 768 }
 769
 770 /**
 771  * Returns whether the current page is the index page.
 772  *
 773  * @returns {Boolean} <code>true</code> if the current page is the index page,
 774  *          <code>false</code> otherwise
 775  */
 776 function isIndexPage() {
 777         return getPageId() == "index";
 778 }
 779
 780 /**
 781  * Returns whether the current page is a “view Sone” page.
 782  *
 783  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
 784  *          page, <code>false</code> otherwise
 785  */
 786 function isViewSonePage() {
 787         return getPageId() == "view-sone";
 788 }
 789
 790 /**
 791  * Returns the ID of the currently shown Sone. This will only return a sensible
 792  * value if isViewSonePage() returns <code>true</code>.
 793  *
 794  * @returns The ID of the currently shown Sone
 795  */
 796 function getShownSoneId() {
 797         return $("#sone .sone-id").text();
 798 }
 799
 800 /**
 801  * Returns whether the current page is a “view post” page.
 802  *
 803  * @returns {Boolean} <code>true</code> if the current page is a “view post”
 804  *          page, <code>false</code> otherwise
 805  */
 806 function isViewPostPage() {
 807         return getPageId() == "view-post";
 808 }
 809
 810 /**
 811  * Returns the ID of the currently shown post. This will only return a sensible
 812  * value if isViewPostPage() returns <code>true</code>.
 813  *
 814  * @returns The ID of the currently shown post
 815  */
 816 function getShownPostId() {
 817         return $("#sone .post-id").text();
 818 }
 819
 820 /**
 821  * Returns whether the current page is the “known Sones” page.
 822  *
 823  * @returns {Boolean} <code>true</code> if the current page is the “known
 824  *          Sones” page, <code>false</code> otherwise
 825  */
 826 function isKnownSonesPage() {
 827         return getPageId() == "known-sones";
 828 }
 829
 830 /**
 831  * Returns whether a post with the given ID exists on the current page.
 832  *
 833  * @param postId
 834  *            The post ID to check for
 835  * @returns {Boolean} <code>true</code> if a post with the given ID already
 836  *          exists on the page, <code>false</code> otherwise
 837  */
 838 function hasPost(postId) {
 839         return $(".post#" + postId).length > 0;
 840 }
 841
 842 /**
 843  * Returns whether a reply with the given ID exists on the current page.
 844  *
 845  * @param replyId
 846  *            The reply ID to check for
 847  * @returns {Boolean} <code>true</code> if a reply with the given ID already
 848  *          exists on the page, <code>false</code> otherwise
 849  */
 850 function hasReply(replyId) {
 851         return $("#sone .reply#" + replyId).length > 0;
 852 }
 853
 854 function loadNewPost(postId, soneId, recipientId, time) {
 855         if (hasPost(postId)) {
 856                 return;
 857         }
 858         if (!isIndexPage()) {
 859                 if (!isViewPostPage() || (getShownPostId() != postId)) {
 860                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId))) {
 861                                 return;
 862                         }
 863                 }
 864         }
 865         if (getPostTime($("#sone .post").last()) > time) {
 866                 return;
 867         }
 868         $.getJSON("getPost.ajax", { "post" : postId }, function(data, textStatus) {
 869                 if ((data != null) && data.success) {
 870                         if (hasPost(data.post.id)) {
 871                                 return;
 872                         }
 873                         if (!isIndexPage() && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient)))) {
 874                                 return;
 875                         }
 876                         var firstOlderPost = null;
 877                         $("#sone .post").each(function() {
 878                                 if (getPostTime(this) < data.post.time) {
 879                                         firstOlderPost = $(this);
 880                                         return false;
 881                                 }
 882                         });
 883                         newPost = $(data.post.html).addClass("hidden");
 884                         if (firstOlderPost != null) {
 885                                 newPost.insertBefore(firstOlderPost);
 886                         }
 887                         ajaxifyPost(newPost);
 888                         newPost.slideDown();
 889                         setActivity();
 890                 }
 891         });
 892 }
 893
 894 function loadNewReply(replyId, soneId, postId, postSoneId) {
 895         if (hasReply(replyId)) {
 896                 return;
 897         }
 898         if (!hasPost(postId)) {
 899                 return;
 900         }
 901         $.getJSON("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
 902                 /* find post. */
 903                 if ((data != null) && data.success) {
 904                         if (hasReply(data.reply.id)) {
 905                                 return;
 906                         }
 907                         $("#sone .post#" + data.reply.postId).each(function() {
 908                                 var firstNewerReply = null;
 909                                 $(this).find(".replies .reply").each(function() {
 910                                         if (getReplyTime(this) > data.reply.time) {
 911                                                 firstNewerReply = $(this);
 912                                                 return false;
 913                                         }
 914                                 });
 915                                 newReply = $(data.reply.html).addClass("hidden");
 916                                 if (firstNewerReply != null) {
 917                                         newReply.insertBefore(firstNewerReply);
 918                                 } else {
 919                                         if ($(this).find(".replies .create-reply")) {
 920                                                 $(this).find(".replies .create-reply").before(newReply);
 921                                         } else {
 922                                                 $(this).find(".replies").append(newReply);
 923                                         }
 924                                 }
 925                                 ajaxifyReply(newReply);
 926                                 newReply.slideDown();
 927                                 setActivity();
 928                                 return false;
 929                         });
 930                 }
 931         });
 932 }
 933
 934 function markPostAsKnown(postElements) {
 935         $(postElements).each(function() {
 936                 postElement = this;
 937                 if ($(postElement).hasClass("new")) {
 938                         (function(postElement) {
 939                                 $.getJSON("markPostAsKnown.ajax", {"formPassword": getFormPassword(), "post": getPostId(postElement)}, function(data, textStatus) {
 940                                         $(postElement).removeClass("new");
 941                                         $(".click-to-show", postElement).removeClass("new");
 942                                 });
 943                         })(postElement);
 944                 }
 945         });
 946         markReplyAsKnown($(postElements).find(".reply"));
 947 }
 948
 949 function markReplyAsKnown(replyElements) {
 950         $(replyElements).each(function() {
 951                 replyElement = this;
 952                 if ($(replyElement).hasClass("new")) {
 953                         (function(replyElement) {
 954                                 $.getJSON("markReplyAsKnown.ajax", {"formPassword": getFormPassword(), "reply": getReplyId(replyElement)}, function(data, textStatus) {
 955                                         $(replyElement).removeClass("new");
 956                                 });
 957                         })(replyElement);
 958                 }
 959         });
 960 }
 961
 962 function resetActivity() {
 963         title = document.title;
 964         if (title.indexOf('(') == 0) {
 965                 document.title = title.substr(title.indexOf(' ') + 1);
 966         }
 967 }
 968
 969 function setActivity() {
 970         if (!focus) {
 971                 title = document.title;
 972                 if (title.indexOf('(') != 0) {
 973                         document.title = "(!) " + title;
 974                 }
 975         }
 976 }
 977
 978 /**
 979  * Creates a new notification.
 980  *
 981  * @param id
 982  *            The ID of the notificaiton
 983  * @param text
 984  *            The text of the notification
 985  * @param dismissable
 986  *            <code>true</code> if the notification can be dismissed by the
 987  *            user
 988  */
 989 function createNotification(id, text, dismissable) {
 990         notification = $("<div></div>").addClass("notification").attr("id", id);
 991         if (dismissable) {
 992                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id")
 993                 dismissForm.find("input[name=notification]").val(id);
 994                 notification.append(dismissForm);
 995         }
 996         notification.append(text);
 997         return notification;
 998 }
 999
1000 /**
1001  * Shows the details of the notification with the given ID.
1002  *
1003  * @param notificationId
1004  *            The ID of the notification
1005  */
1006 function showNotificationDetails(notificationId) {
1007         $("#sone .notification#" + notificationId + " .text").show();
1008         $("#sone .notification#" + notificationId + " .short-text").hide();
1009 }
1010
1011 /**
1012  * Deletes the field with the given ID from the profile.
1013  *
1014  * @param fieldId
1015  *            The ID of the field to delete
1016  */
1017 function deleteProfileField(fieldId) {
1018         $.getJSON("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1019                 if (data && data.success) {
1020                         $("#sone .profile-field#" + data.field.id).slideUp();
1021                 }
1022         });
1023 }
1024
1025 /**
1026  * Renames a profile field.
1027  *
1028  * @param fieldId
1029  *            The ID of the field to rename
1030  * @param newName
1031  *            The new name of the field
1032  * @param successFunction
1033  *            Called when the renaming was successful
1034  */
1035 function editProfileField(fieldId, newName, successFunction) {
1036         $.getJSON("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1037                 if (data && data.success) {
1038                         successFunction();
1039                 }
1040         });
1041 }
1042
1043 /**
1044  * Moves the profile field with the given ID one slot in the given direction.
1045  *
1046  * @param fieldId
1047  *            The ID of the field to move
1048  * @param direction
1049  *            The direction to move in (“up” or “down”)
1050  * @param successFunction
1051  *            Function to call on success
1052  */
1053 function moveProfileField(fieldId, direction, successFunction) {
1054         $.getJSON("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1055                 if (data && data.success) {
1056                         successFunction();
1057                 }
1058         });
1059 }
1060
1061 /**
1062  * Moves the profile field with the given ID up one slot.
1063  *
1064  * @param fieldId
1065  *            The ID of the field to move
1066  * @param successFunction
1067  *            Function to call on success
1068  */
1069 function moveProfileFieldUp(fieldId, successFunction) {
1070         moveProfileField(fieldId, "up", successFunction);
1071 }
1072
1073 /**
1074  * Moves the profile field with the given ID down one slot.
1075  *
1076  * @param fieldId
1077  *            The ID of the field to move
1078  * @param successFunction
1079  *            Function to call on success
1080  */
1081 function moveProfileFieldDown(fieldId, successFunction) {
1082         moveProfileField(fieldId, "down", successFunction);
1083 }
1084
1085 //
1086 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1087 //
1088
1089 var focus = true;
1090
1091 $(document).ready(function() {
1092
1093         /* this initializes the status update input field. */
1094         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1095                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1096                 $("#sone #update-status .select-sender").css("display", "inline");
1097                 $("#sone #update-status .sender").hide();
1098                 $("#sone #update-status .select-sender button").click(function() {
1099                         $("#sone #update-status .sender").show();
1100                         $("#sone #update-status .select-sender").hide();
1101                         return false;
1102                 });
1103                 $("#sone #update-status").submit(function() {
1104                         if ($(this).find(":input.default:enabled").length > 0) {
1105                                 return false;
1106                         }
1107                         sender = $(this).find(":input[name=sender]").val();
1108                         text = $(this).find(":input[name=text]:enabled").val();
1109                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1110                                 if ((data != null) && data.success) {
1111                                         loadNewPost(data.postId, data.sone, data.recipient);
1112                                 }
1113                         });
1114                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1115                         $(this).find(":input[name=text]:enabled").val("").blur();
1116                         $(this).find(".sender").hide();
1117                         $(this).find(".select-sender").show();
1118                         return false;
1119                 });
1120         });
1121
1122         /* ajaxify input field on “view Sone” page. */
1123         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1124                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1125                 $("#sone #post-message").submit(function() {
1126                         text = $(this).find(":input:enabled").val();
1127                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "text": text }, function(data, textStatus) {
1128                                 if ((data != null) && data.success) {
1129                                         loadNewPost(data.postId, getCurrentSoneId());
1130                                 }
1131                         });
1132                         $(this).find(":input:enabled").val("").blur();
1133                         return false;
1134                 });
1135         });
1136
1137         /* Ajaxifies all posts. */
1138         /* calling getTranslation here will cache the necessary values. */
1139         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1140                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1141                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1142                                 $("#sone .post").each(function() {
1143                                         ajaxifyPost(this);
1144                                 });
1145                         });
1146                 });
1147         });
1148
1149         /* hides all replies but the latest two. */
1150         if (!isViewPostPage()) {
1151                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1152                         $("#sone .post .replies").each(function() {
1153                                 allReplies = $(this).find(".reply");
1154                                 if (allReplies.length > 2) {
1155                                         newHidden = false;
1156                                         for (replyIndex = 0; replyIndex < (allReplies.length - 2); ++replyIndex) {
1157                                                 $(allReplies[replyIndex]).addClass("hidden");
1158                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1159                                         }
1160                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1161                                         if (newHidden) {
1162                                                 clickToShowElement.addClass("new");
1163                                         }
1164                                         (function(clickToShowElement, allReplies, text) {
1165                                                 clickToShowElement.text(text);
1166                                                 clickToShowElement.click(function() {
1167                                                         allReplies.removeClass("hidden");
1168                                                         clickToShowElement.addClass("hidden");
1169                                                 });
1170                                         })(clickToShowElement, allReplies, text);
1171                                         $(allReplies[0]).before(clickToShowElement);
1172                                 }
1173                         });
1174                 });
1175         }
1176
1177         /*
1178          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
1179          * nicer.
1180          */
1181         $("#sone .follow").submit(function() {
1182                 var followElement = this;
1183                 $.getJSON("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
1184                         $(followElement).addClass("hidden");
1185                         $(followElement).parent().find(".unfollow").removeClass("hidden");
1186                 });
1187                 return false;
1188         });
1189         $("#sone .unfollow").submit(function() {
1190                 var unfollowElement = this;
1191                 $.getJSON("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
1192                         $(unfollowElement).addClass("hidden");
1193                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
1194                 });
1195                 return false;
1196         });
1197         $("#sone .lock").submit(function() {
1198                 var lockElement = this;
1199                 $.getJSON("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
1200                         $(lockElement).addClass("hidden");
1201                         $(lockElement).parent().find(".unlock").removeClass("hidden");
1202                 });
1203                 return false;
1204         });
1205         $("#sone .unlock").submit(function() {
1206                 var unlockElement = this;
1207                 $.getJSON("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
1208                         $(unlockElement).addClass("hidden");
1209                         $(unlockElement).parent().find(".lock").removeClass("hidden");
1210                 });
1211                 return false;
1212         });
1213
1214         /* process all existing notifications, ajaxify dismiss buttons. */
1215         $("#sone #notification-area .notification").each(function() {
1216                 ajaxifyNotification($(this));
1217         });
1218
1219         /* activate status polling. */
1220         setTimeout(getStatus, 5000);
1221
1222         /* reset activity counter when the page has focus. */
1223         $(window).focus(function() {
1224                 focus = true;
1225                 resetActivity();
1226         }).blur(function() {
1227                 focus = false;
1228         })
1229
1230 });