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 postId
 495  *            The ID of the post the reply refers to
 496  * @param text
 497  *            The text to post
 498  * @param callbackFunction
 499  *            The callback function to call when the request finishes (takes 3
 500  *            parameters: success, error, replyId)
 501  */
 502 function postReply(postId, text, callbackFunction) {
 503         $.getJSON("createReply.ajax", { "formPassword" : getFormPassword(), "post" : postId, "text": text }, function(data, textStatus) {
 504                 if (data == null) {
 505                         /* TODO - show error */
 506                         return;
 507                 }
 508                 if (data.success) {
 509                         callbackFunction(true, null, data.reply);
 510                 } else {
 511                         callbackFunction(false, data.error);
 512                 }
 513         }, function(xmlHttpRequest, textStatus, error) {
 514                 /* ignore error. */
 515         });
 516 }
 517
 518 /**
 519  * Requests information about the reply with the given ID.
 520  *
 521  * @param replyId
 522  *            The ID of the reply
 523  * @param callbackFunction
 524  *            A callback function (parameters soneId, soneName, replyTime,
 525  *            replyDisplayTime, text, html)
 526  */
 527 function getReply(replyId, callbackFunction) {
 528         $.getJSON("getReply.ajax", { "reply" : replyId }, function(data, textStatus) {
 529                 if ((data != null) && data.success) {
 530                         callbackFunction(data.soneId, data.soneName, data.time, data.displayTime, data.text, data.html);
 531                 }
 532         }, function(xmlHttpRequest, textStatus, error) {
 533                 /* ignore error. */
 534         });
 535 }
 536
 537 /**
 538  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
 539  *
 540  * @param postElement
 541  *            The post element to ajaxify
 542  */
 543 function ajaxifyPost(postElement) {
 544         $(postElement).find("form").submit(function() {
 545                 return false;
 546         });
 547         $(postElement).find(".create-reply button:submit").click(function() {
 548                 inputField = $(this.form).find(":input:enabled").get(0);
 549                 postId = getPostId(this);
 550                 text = $(inputField).val();
 551                 (function(postId, text, inputField) {
 552                         postReply(postId, text, function(success, error, replyId) {
 553                                 if (success) {
 554                                         $(inputField).val("");
 555                                         loadNewReply(replyId, getCurrentSoneId(), postId);
 556                                         markPostAsKnown(getPostElement(inputField));
 557                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 558                                 } else {
 559                                         alert(error);
 560                                 }
 561                         });
 562                 })(postId, text, inputField);
 563                 return false;
 564         });
 565
 566         /* replace all “delete” buttons with javascript. */
 567         (function(postElement) {
 568                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 569                         postId = getPostId(postElement);
 570                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 571                 });
 572         })(postElement);
 573
 574         /* convert all “like” buttons to javascript functions. */
 575         $(postElement).find(".like-post").submit(function() {
 576                 likePost(getPostId(this));
 577                 markPostAsKnown(getPostElement(this));
 578                 return false;
 579         });
 580         $(postElement).find(".unlike-post").submit(function() {
 581                 unlikePost(getPostId(this));
 582                 markPostAsKnown(getPostElement(this));
 583                 return false;
 584         });
 585
 586         /* convert trust control buttons to javascript functions. */
 587         $(postElement).find(".post-trust").submit(function() {
 588                 trustSone(getPostAuthor(this));
 589                 return false;
 590         });
 591         $(postElement).find(".post-distrust").submit(function() {
 592                 distrustSone(getPostAuthor(this));
 593                 return false;
 594         });
 595         $(postElement).find(".post-untrust").submit(function() {
 596                 untrustSone(getPostAuthor(this));
 597                 return false;
 598         });
 599
 600         /* add “comment” link. */
 601         addCommentLink(getPostId(postElement), postElement, $(postElement).find(".post-status-line .time"));
 602
 603         /* process all replies. */
 604         $(postElement).find(".reply").each(function() {
 605                 ajaxifyReply(this);
 606         });
 607
 608         /* process reply input fields. */
 609         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 610                 $(postElement).find("input.reply-input").each(function() {
 611                         registerInputTextareaSwap(this, text, "text", false, false);
 612                 });
 613         });
 614
 615         /* mark everything as known on click. */
 616         $(postElement).click(function(event) {
 617                 if ($(event.target).hasClass("click-to-show")) {
 618                         return false;
 619                 }
 620                 markPostAsKnown(this);
 621         });
 622
 623         /* hide reply input field. */
 624         $(postElement).find(".create-reply").addClass("hidden");
 625 }
 626
 627 /**
 628  * Ajaxifies the given reply element.
 629  *
 630  * @param replyElement
 631  *            The reply element to ajaxify
 632  */
 633 function ajaxifyReply(replyElement) {
 634         $(replyElement).find(".like-reply").submit(function() {
 635                 likeReply(getReplyId(this));
 636                 markPostAsKnown(getPostElement(this));
 637                 return false;
 638         });
 639         $(replyElement).find(".unlike-reply").submit(function() {
 640                 unlikeReply(getReplyId(this));
 641                 markPostAsKnown(getPostElement(this));
 642                 return false;
 643         });
 644         (function(replyElement) {
 645                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 646                         $(replyElement).find(".delete-reply button").each(function() {
 647                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 648                         });
 649                 });
 650         })(replyElement);
 651         addCommentLink(getPostId(replyElement), replyElement, $(replyElement).find(".reply-status-line .time"));
 652
 653         /* convert trust control buttons to javascript functions. */
 654         $(replyElement).find(".reply-trust").submit(function() {
 655                 trustSone(getReplyAuthor(this));
 656                 return false;
 657         });
 658         $(replyElement).find(".reply-distrust").submit(function() {
 659                 distrustSone(getReplyAuthor(this));
 660                 return false;
 661         });
 662         $(replyElement).find(".reply-untrust").submit(function() {
 663                 untrustSone(getReplyAuthor(this));
 664                 return false;
 665         });
 666
 667         /* mark post and all replies as known on click. */
 668         $(replyElement).click(function() {
 669                 markPostAsKnown(getPostElement(this));
 670         });
 671 }
 672
 673 /**
 674  * Ajaxifies the given notification by replacing the form with AJAX.
 675  *
 676  * @param notification
 677  *            jQuery object representing the notification.
 678  */
 679 function ajaxifyNotification(notification) {
 680         notification.find("form.dismiss").submit(function() {
 681                 return false;
 682         });
 683         notification.find("input[name=returnPage]").val($.url.attr("relative"));
 684         if (notification.find(".short-text").length > 0) {
 685                 notification.find(".short-text").removeClass("hidden");
 686                 notification.find(".text").addClass("hidden");
 687         }
 688         notification.find("form.dismiss button").click(function() {
 689                 $.getJSON("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 690                         /* dismiss in case of error, too. */
 691                         notification.slideUp();
 692                 }, function(xmlHttpRequest, textStatus, error) {
 693                         /* ignore error. */
 694                 });
 695         });
 696         return notification;
 697 }
 698
 699 function getStatus() {
 700         $.getJSON("getStatus.ajax", {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
 701                 if ((data != null) && data.success) {
 702                         /* process Sone information. */
 703                         $.each(data.sones, function(index, value) {
 704                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated);
 705                         });
 706                         /* process notifications. */
 707                         $.each(data.notifications, function(index, value) {
 708                                 oldNotification = $("#sone #notification-area .notification#" + value.id);
 709                                 notification = ajaxifyNotification(createNotification(value.id, value.text, value.dismissable)).hide();
 710                                 if (oldNotification.length != 0) {
 711                                         oldNotification.replaceWith(notification.show());
 712                                 } else {
 713                                         $("#sone #notification-area").append(notification);
 714                                         notification.slideDown();
 715                                 }
 716                                 setActivity();
 717                         });
 718                         $.each(data.removedNotifications, function(index, value) {
 719                                 $("#sone #notification-area .notification#" + value.id).slideUp();
 720                         });
 721                         /* process new posts. */
 722                         $.each(data.newPosts, function(index, value) {
 723                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
 724                         });
 725                         /* process new replies. */
 726                         $.each(data.newReplies, function(index, value) {
 727                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
 728                         });
 729                         /* do it again in 5 seconds. */
 730                         setTimeout(getStatus, 5000);
 731                 } else {
 732                         /* data.success was false, wait 30 seconds. */
 733                         setTimeout(getStatus, 30000);
 734                 }
 735         }, function(xmlHttpRequest, textStatus, error) {
 736                 /* something really bad happend, wait a minute. */
 737                 setTimeout(getStatus, 60000);
 738         })
 739 }
 740
 741 /**
 742  * Returns the ID of the currently logged in Sone.
 743  *
 744  * @return The ID of the current Sone, or an empty string if no Sone is logged
 745  *         in
 746  */
 747 function getCurrentSoneId() {
 748         return $("#currentSoneId").text();
 749 }
 750
 751 /**
 752  * Returns the content of the page-id attribute.
 753  *
 754  * @returns The page ID
 755  */
 756 function getPageId() {
 757         return $("#sone .page-id").text();
 758 }
 759
 760 /**
 761  * Returns whether the current page is the index page.
 762  *
 763  * @returns {Boolean} <code>true</code> if the current page is the index page,
 764  *          <code>false</code> otherwise
 765  */
 766 function isIndexPage() {
 767         return getPageId() == "index";
 768 }
 769
 770 /**
 771  * Returns whether the current page is a “view Sone” page.
 772  *
 773  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
 774  *          page, <code>false</code> otherwise
 775  */
 776 function isViewSonePage() {
 777         return getPageId() == "view-sone";
 778 }
 779
 780 /**
 781  * Returns the ID of the currently shown Sone. This will only return a sensible
 782  * value if isViewSonePage() returns <code>true</code>.
 783  *
 784  * @returns The ID of the currently shown Sone
 785  */
 786 function getShownSoneId() {
 787         return $("#sone .sone-id").text();
 788 }
 789
 790 /**
 791  * Returns whether the current page is a “view post” page.
 792  *
 793  * @returns {Boolean} <code>true</code> if the current page is a “view post”
 794  *          page, <code>false</code> otherwise
 795  */
 796 function isViewPostPage() {
 797         return getPageId() == "view-post";
 798 }
 799
 800 /**
 801  * Returns the ID of the currently shown post. This will only return a sensible
 802  * value if isViewPostPage() returns <code>true</code>.
 803  *
 804  * @returns The ID of the currently shown post
 805  */
 806 function getShownPostId() {
 807         return $("#sone .post-id").text();
 808 }
 809
 810 /**
 811  * Returns whether the current page is the “known Sones” page.
 812  *
 813  * @returns {Boolean} <code>true</code> if the current page is the “known
 814  *          Sones” page, <code>false</code> otherwise
 815  */
 816 function isKnownSonesPage() {
 817         return getPageId() == "known-sones";
 818 }
 819
 820 /**
 821  * Returns whether a post with the given ID exists on the current page.
 822  *
 823  * @param postId
 824  *            The post ID to check for
 825  * @returns {Boolean} <code>true</code> if a post with the given ID already
 826  *          exists on the page, <code>false</code> otherwise
 827  */
 828 function hasPost(postId) {
 829         return $(".post#" + postId).length > 0;
 830 }
 831
 832 /**
 833  * Returns whether a reply with the given ID exists on the current page.
 834  *
 835  * @param replyId
 836  *            The reply ID to check for
 837  * @returns {Boolean} <code>true</code> if a reply with the given ID already
 838  *          exists on the page, <code>false</code> otherwise
 839  */
 840 function hasReply(replyId) {
 841         return $("#sone .reply#" + replyId).length > 0;
 842 }
 843
 844 function loadNewPost(postId, soneId, recipientId, time) {
 845         if (hasPost(postId)) {
 846                 return;
 847         }
 848         if (!isIndexPage()) {
 849                 if (!isViewPostPage() || (getShownPostId() != postId)) {
 850                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId))) {
 851                                 return;
 852                         }
 853                 }
 854         }
 855         if (getPostTime($("#sone .post").last()) > time) {
 856                 return;
 857         }
 858         $.getJSON("getPost.ajax", { "post" : postId }, function(data, textStatus) {
 859                 if ((data != null) && data.success) {
 860                         if (hasPost(data.post.id)) {
 861                                 return;
 862                         }
 863                         if (!isIndexPage() && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient)))) {
 864                                 return;
 865                         }
 866                         var firstOlderPost = null;
 867                         $("#sone .post").each(function() {
 868                                 if (getPostTime(this) < data.post.time) {
 869                                         firstOlderPost = $(this);
 870                                         return false;
 871                                 }
 872                         });
 873                         newPost = $(data.post.html).addClass("hidden");
 874                         if (firstOlderPost != null) {
 875                                 newPost.insertBefore(firstOlderPost);
 876                         }
 877                         ajaxifyPost(newPost);
 878                         newPost.slideDown();
 879                         setActivity();
 880                 }
 881         });
 882 }
 883
 884 function loadNewReply(replyId, soneId, postId, postSoneId) {
 885         if (hasReply(replyId)) {
 886                 return;
 887         }
 888         if (!hasPost(postId)) {
 889                 return;
 890         }
 891         $.getJSON("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
 892                 /* find post. */
 893                 if ((data != null) && data.success) {
 894                         if (hasReply(data.reply.id)) {
 895                                 return;
 896                         }
 897                         $("#sone .post#" + data.reply.postId).each(function() {
 898                                 var firstNewerReply = null;
 899                                 $(this).find(".replies .reply").each(function() {
 900                                         if (getReplyTime(this) > data.reply.time) {
 901                                                 firstNewerReply = $(this);
 902                                                 return false;
 903                                         }
 904                                 });
 905                                 newReply = $(data.reply.html).addClass("hidden");
 906                                 if (firstNewerReply != null) {
 907                                         newReply.insertBefore(firstNewerReply);
 908                                 } else {
 909                                         if ($(this).find(".replies .create-reply")) {
 910                                                 $(this).find(".replies .create-reply").before(newReply);
 911                                         } else {
 912                                                 $(this).find(".replies").append(newReply);
 913                                         }
 914                                 }
 915                                 ajaxifyReply(newReply);
 916                                 newReply.slideDown();
 917                                 setActivity();
 918                                 return false;
 919                         });
 920                 }
 921         });
 922 }
 923
 924 function markPostAsKnown(postElements) {
 925         $(postElements).each(function() {
 926                 postElement = this;
 927                 if ($(postElement).hasClass("new")) {
 928                         (function(postElement) {
 929                                 $.getJSON("markPostAsKnown.ajax", {"formPassword": getFormPassword(), "post": getPostId(postElement)}, function(data, textStatus) {
 930                                         $(postElement).removeClass("new");
 931                                         $(".click-to-show", postElement).removeClass("new");
 932                                 });
 933                         })(postElement);
 934                 }
 935         });
 936         markReplyAsKnown($(postElements).find(".reply"));
 937 }
 938
 939 function markReplyAsKnown(replyElements) {
 940         $(replyElements).each(function() {
 941                 replyElement = this;
 942                 if ($(replyElement).hasClass("new")) {
 943                         (function(replyElement) {
 944                                 $.getJSON("markReplyAsKnown.ajax", {"formPassword": getFormPassword(), "reply": getReplyId(replyElement)}, function(data, textStatus) {
 945                                         $(replyElement).removeClass("new");
 946                                 });
 947                         })(replyElement);
 948                 }
 949         });
 950 }
 951
 952 function resetActivity() {
 953         title = document.title;
 954         if (title.indexOf('(') == 0) {
 955                 document.title = title.substr(title.indexOf(' ') + 1);
 956         }
 957 }
 958
 959 function setActivity() {
 960         if (!focus) {
 961                 title = document.title;
 962                 if (title.indexOf('(') != 0) {
 963                         document.title = "(!) " + title;
 964                 }
 965         }
 966 }
 967
 968 /**
 969  * Creates a new notification.
 970  *
 971  * @param id
 972  *            The ID of the notificaiton
 973  * @param text
 974  *            The text of the notification
 975  * @param dismissable
 976  *            <code>true</code> if the notification can be dismissed by the
 977  *            user
 978  */
 979 function createNotification(id, text, dismissable) {
 980         notification = $("<div></div>").addClass("notification").attr("id", id);
 981         if (dismissable) {
 982                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id")
 983                 dismissForm.find("input[name=notification]").val(id);
 984                 notification.append(dismissForm);
 985         }
 986         notification.append(text);
 987         return notification;
 988 }
 989
 990 /**
 991  * Shows the details of the notification with the given ID.
 992  *
 993  * @param notificationId
 994  *            The ID of the notification
 995  */
 996 function showNotificationDetails(notificationId) {
 997         $("#sone .notification#" + notificationId + " .text").show();
 998         $("#sone .notification#" + notificationId + " .short-text").hide();
 999 }
1000
1001 /**
1002  * Deletes the field with the given ID from the profile.
1003  *
1004  * @param fieldId
1005  *            The ID of the field to delete
1006  */
1007 function deleteProfileField(fieldId) {
1008         $.getJSON("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1009                 if (data && data.success) {
1010                         $("#sone .profile-field#" + data.field.id).slideUp();
1011                 }
1012         });
1013 }
1014
1015 /**
1016  * Renames a profile field.
1017  *
1018  * @param fieldId
1019  *            The ID of the field to rename
1020  * @param newName
1021  *            The new name of the field
1022  * @param successFunction
1023  *            Called when the renaming was successful
1024  */
1025 function editProfileField(fieldId, newName, successFunction) {
1026         $.getJSON("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1027                 if (data && data.success) {
1028                         successFunction();
1029                 }
1030         });
1031 }
1032
1033 /**
1034  * Moves the profile field with the given ID one slot in the given direction.
1035  *
1036  * @param fieldId
1037  *            The ID of the field to move
1038  * @param direction
1039  *            The direction to move in (“up” or “down”)
1040  * @param successFunction
1041  *            Function to call on success
1042  */
1043 function moveProfileField(fieldId, direction, successFunction) {
1044         $.getJSON("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1045                 if (data && data.success) {
1046                         successFunction();
1047                 }
1048         });
1049 }
1050
1051 /**
1052  * Moves the profile field with the given ID up one slot.
1053  *
1054  * @param fieldId
1055  *            The ID of the field to move
1056  * @param successFunction
1057  *            Function to call on success
1058  */
1059 function moveProfileFieldUp(fieldId, successFunction) {
1060         moveProfileField(fieldId, "up", successFunction);
1061 }
1062
1063 /**
1064  * Moves the profile field with the given ID down one slot.
1065  *
1066  * @param fieldId
1067  *            The ID of the field to move
1068  * @param successFunction
1069  *            Function to call on success
1070  */
1071 function moveProfileFieldDown(fieldId, successFunction) {
1072         moveProfileField(fieldId, "down", successFunction);
1073 }
1074
1075 //
1076 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1077 //
1078
1079 var focus = true;
1080
1081 $(document).ready(function() {
1082
1083         /* this initializes the status update input field. */
1084         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1085                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1086                 $("#sone #update-status").submit(function() {
1087                         if ($(this).find(":input.default:enabled").length > 0) {
1088                                 return false;
1089                         }
1090                         text = $(this).find(":input:enabled").val();
1091                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "text": text }, function(data, textStatus) {
1092                                 if ((data != null) && data.success) {
1093                                         loadNewPost(data.postId, getCurrentSoneId());
1094                                 }
1095                         });
1096                         $(this).find(":input:enabled").val("").blur();
1097                         return false;
1098                 });
1099         });
1100
1101         /* ajaxify input field on “view Sone” page. */
1102         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1103                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1104                 $("#sone #post-message").submit(function() {
1105                         text = $(this).find(":input:enabled").val();
1106                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "text": text }, function(data, textStatus) {
1107                                 if ((data != null) && data.success) {
1108                                         loadNewPost(data.postId, getCurrentSoneId());
1109                                 }
1110                         });
1111                         $(this).find(":input:enabled").val("").blur();
1112                         return false;
1113                 });
1114         });
1115
1116         /* Ajaxifies all posts. */
1117         /* calling getTranslation here will cache the necessary values. */
1118         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1119                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1120                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1121                                 $("#sone .post").each(function() {
1122                                         ajaxifyPost(this);
1123                                 });
1124                         });
1125                 });
1126         });
1127
1128         /* hides all replies but the latest two. */
1129         if (!isViewPostPage()) {
1130                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1131                         $("#sone .post .replies").each(function() {
1132                                 allReplies = $(this).find(".reply");
1133                                 if (allReplies.length > 2) {
1134                                         newHidden = false;
1135                                         for (replyIndex = 0; replyIndex < (allReplies.length - 2); ++replyIndex) {
1136                                                 $(allReplies[replyIndex]).addClass("hidden");
1137                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1138                                         }
1139                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1140                                         if (newHidden) {
1141                                                 clickToShowElement.addClass("new");
1142                                         }
1143                                         (function(clickToShowElement, allReplies, text) {
1144                                                 clickToShowElement.text(text);
1145                                                 clickToShowElement.click(function() {
1146                                                         allReplies.removeClass("hidden");
1147                                                         clickToShowElement.addClass("hidden");
1148                                                 });
1149                                         })(clickToShowElement, allReplies, text);
1150                                         $(allReplies[0]).before(clickToShowElement);
1151                                 }
1152                         });
1153                 });
1154         }
1155
1156         /*
1157          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
1158          * nicer.
1159          */
1160         $("#sone .follow").submit(function() {
1161                 var followElement = this;
1162                 $.getJSON("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
1163                         $(followElement).addClass("hidden");
1164                         $(followElement).parent().find(".unfollow").removeClass("hidden");
1165                 });
1166                 return false;
1167         });
1168         $("#sone .unfollow").submit(function() {
1169                 var unfollowElement = this;
1170                 $.getJSON("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
1171                         $(unfollowElement).addClass("hidden");
1172                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
1173                 });
1174                 return false;
1175         });
1176         $("#sone .lock").submit(function() {
1177                 var lockElement = this;
1178                 $.getJSON("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
1179                         $(lockElement).addClass("hidden");
1180                         $(lockElement).parent().find(".unlock").removeClass("hidden");
1181                 });
1182                 return false;
1183         });
1184         $("#sone .unlock").submit(function() {
1185                 var unlockElement = this;
1186                 $.getJSON("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
1187                         $(unlockElement).addClass("hidden");
1188                         $(unlockElement).parent().find(".lock").removeClass("hidden");
1189                 });
1190                 return false;
1191         });
1192
1193         /* process all existing notifications, ajaxify dismiss buttons. */
1194         $("#sone #notification-area .notification").each(function() {
1195                 ajaxifyNotification($(this));
1196         });
1197
1198         /* activate status polling. */
1199         setTimeout(getStatus, 5000);
1200
1201         /* reset activity counter when the page has focus. */
1202         $(window).focus(function() {
1203                 focus = true;
1204                 resetActivity();
1205         }).blur(function() {
1206                 focus = false;
1207         })
1208
1209 });