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