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                         replyElement = $("#sone .post#" + postId + " .create-reply");
  75                         replyElement.removeClass("hidden");
  76                         replyElement.removeClass("light");
  77                         (function(replyElement) {
  78                                 replyElement.find("input.reply-input").blur(function() {
  79                                         if ($(this).hasClass("default")) {
  80                                                 replyElement.addClass("light");
  81                                         }
  82                                 }).focus(function() {
  83                                         replyElement.removeClass("light");
  84                                 });
  85                         })(replyElement);
  86                         replyElement.find("input.reply-input").focus();
  87                 });
  88                 return commentElement;
  89         })(postId);
  90         $(insertAfterThisElement).after(commentElement.clone(true));
  91         $(insertAfterThisElement).after(separator);
  92 }
  93
  94 var translations = {};
  95
  96 /**
  97  * Retrieves the translation for the given key and calls the callback function.
  98  * The callback function takes a single parameter, the translated string.
  99  *
 100  * @param key
 101  *            The key of the translation string
 102  * @param callback
 103  *            The callback function
 104  */
 105 function getTranslation(key, callback) {
 106         if (key in translations) {
 107                 callback(translations[key]);
 108                 return;
 109         }
 110         $.getJSON("getTranslation.ajax", {"key": key}, function(data, textStatus) {
 111                 if ((data != null) && data.success) {
 112                         translations[key] = data.value;
 113                         callback(data.value);
 114                 }
 115         }, function(xmlHttpRequest, textStatus, error) {
 116                 /* ignore error. */
 117         });
 118 }
 119
 120 /**
 121  * Filters the given Sone ID, replacing all “~” characters by an underscore.
 122  *
 123  * @param soneId
 124  *            The Sone ID to filter
 125  * @returns The filtered Sone ID
 126  */
 127 function filterSoneId(soneId) {
 128         return soneId.replace(/[^a-zA-Z0-9-]/g, "_");
 129 }
 130
 131 /**
 132  * Updates the status of the given Sone.
 133  *
 134  * @param soneId
 135  *            The ID of the Sone to update
 136  * @param status
 137  *            The status of the Sone (“idle”, “unknown”, “inserting”,
 138  *            “downloading”)
 139  * @param modified
 140  *            Whether the Sone is modified
 141  * @param locked
 142  *            Whether the Sone is locked
 143  * @param lastUpdated
 144  *            The date and time of the last update (formatted for display)
 145  */
 146 function updateSoneStatus(soneId, name, status, modified, locked, lastUpdated) {
 147         $("#sone .sone." + filterSoneId(soneId)).
 148                 toggleClass("unknown", status == "unknown").
 149                 toggleClass("idle", status == "idle").
 150                 toggleClass("inserting", status == "inserting").
 151                 toggleClass("downloading", status == "downloading").
 152                 toggleClass("modified", modified);
 153         $("#sone .sone." + filterSoneId(soneId) + " .lock").toggleClass("hidden", locked);
 154         $("#sone .sone." + filterSoneId(soneId) + " .unlock").toggleClass("hidden", !locked);
 155         if (lastUpdated != null) {
 156                 $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(lastUpdated);
 157         } else {
 158                 getTranslation("View.Sone.Text.UnknownDate", function(unknown) {
 159                         $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(unknown);
 160                 });
 161         }
 162         $("#sone .sone." + filterSoneId(soneId) + " .profile-link a").text(name);
 163 }
 164
 165 /**
 166  * Enhances a “delete” button so that the confirmation is done on the same page.
 167  *
 168  * @param button
 169  *            The button element
 170  * @param text
 171  *            The text to show on the button
 172  * @param deleteCallback
 173  *            The callback that actually deletes something
 174  */
 175 function enhanceDeleteButton(button, text, deleteCallback) {
 176         (function(button) {
 177                 newButton = $("<button></button>").addClass("confirm").hide().text(text).click(function() {
 178                         $(this).fadeOut("slow");
 179                         deleteCallback();
 180                         return false;
 181                 }).insertAfter(button);
 182                 (function(button, newButton) {
 183                         button.click(function() {
 184                                 button.fadeOut("slow", function() {
 185                                         newButton.fadeIn("slow");
 186                                         $(document).one("click", function() {
 187                                                 if (this != newButton.get(0)) {
 188                                                         newButton.fadeOut(function() {
 189                                                                 button.fadeIn();
 190                                                         });
 191                                                 }
 192                                         });
 193                                 });
 194                                 return false;
 195                         });
 196                 })(button, newButton);
 197         })($(button));
 198 }
 199
 200 /**
 201  * Enhances a post’s “delete” button.
 202  *
 203  * @param button
 204  *            The button element
 205  * @param postId
 206  *            The ID of the post to delete
 207  * @param text
 208  *            The text to replace the button with
 209  */
 210 function enhanceDeletePostButton(button, postId, text) {
 211         enhanceDeleteButton(button, text, function() {
 212                 $.getJSON("deletePost.ajax", { "post": postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 213                         if (data == null) {
 214                                 return;
 215                         }
 216                         if (data.success) {
 217                                 $("#sone .post#" + postId).slideUp();
 218                         } else if (data.error == "invalid-post-id") {
 219                                 alert("Invalid post ID given!");
 220                         } else if (data.error == "auth-required") {
 221                                 alert("You need to be logged in.");
 222                         } else if (data.error == "not-authorized") {
 223                                 alert("You are not allowed to delete this post.");
 224                         }
 225                 }, function(xmlHttpRequest, textStatus, error) {
 226                         /* ignore error. */
 227                 });
 228         });
 229 }
 230
 231 /**
 232  * Enhances a reply’s “delete” button.
 233  *
 234  * @param button
 235  *            The button element
 236  * @param replyId
 237  *            The ID of the reply to delete
 238  * @param text
 239  *            The text to replace the button with
 240  */
 241 function enhanceDeleteReplyButton(button, replyId, text) {
 242         enhanceDeleteButton(button, text, function() {
 243                 $.getJSON("deleteReply.ajax", { "reply": replyId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
 244                         if (data == null) {
 245                                 return;
 246                         }
 247                         if (data.success) {
 248                                 $("#sone .reply#" + replyId).slideUp();
 249                         } else if (data.error == "invalid-reply-id") {
 250                                 alert("Invalid reply ID given!");
 251                         } else if (data.error == "auth-required") {
 252                                 alert("You need to be logged in.");
 253                         } else if (data.error == "not-authorized") {
 254                                 alert("You are not allowed to delete this reply.");
 255                         }
 256                 }, function(xmlHttpRequest, textStatus, error) {
 257                         /* ignore error. */
 258                 });
 259         });
 260 }
 261
 262 function getFormPassword() {
 263         return $("#sone #formPassword").text();
 264 }
 265
 266 function getSoneElement(element) {
 267         return $(element).closest(".sone");
 268 }
 269
 270 /**
 271  * Generates a list of Sones by concatening the names of the given sones with a
 272  * new line character (“\n”).
 273  *
 274  * @param sones
 275  *            The sones to format
 276  * @returns {String} The created string
 277  */
 278 function generateSoneList(sones) {
 279         var soneList = "";
 280         $.each(sones, function() {
 281                 if (soneList != "") {
 282                         soneList += ", ";
 283                 }
 284                 soneList += this.name;
 285         });
 286         return soneList;
 287 }
 288
 289 /**
 290  * Returns the ID of the Sone that this element belongs to.
 291  *
 292  * @param element
 293  *            The element to locate the matching Sone ID for
 294  * @returns The ID of the Sone, or undefined
 295  */
 296 function getSoneId(element) {
 297         return getSoneElement(element).find(".id").text();
 298 }
 299
 300 function getPostElement(element) {
 301         return $(element).closest(".post");
 302 }
 303
 304 function getPostId(element) {
 305         return getPostElement(element).attr("id");
 306 }
 307
 308 function getPostTime(element) {
 309         return getPostElement(element).find(".post-time").text();
 310 }
 311
 312 /**
 313  * Returns the author of the post the given element belongs to.
 314  *
 315  * @param element
 316  *            The element whose post to get the author for
 317  * @returns The ID of the authoring Sone
 318  */
 319 function getPostAuthor(element) {
 320         return getPostElement(element).find(".post-author").text();
 321 }
 322
 323 function getReplyElement(element) {
 324         return $(element).closest(".reply");
 325 }
 326
 327 function getReplyId(element) {
 328         return getReplyElement(element).attr("id");
 329 }
 330
 331 function getReplyTime(element) {
 332         return getReplyElement(element).find(".reply-time").text();
 333 }
 334
 335 /**
 336  * Returns the author of the reply the given element belongs to.
 337  *
 338  * @param element
 339  *            The element whose reply to get the author for
 340  * @returns The ID of the authoring Sone
 341  */
 342 function getReplyAuthor(element) {
 343         return getReplyElement(element).find(".reply-author").text();
 344 }
 345
 346 function likePost(postId) {
 347         $.getJSON("like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 348                 if ((data == null) || !data.success) {
 349                         return;
 350                 }
 351                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
 352                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
 353                 updatePostLikes(postId);
 354         }, function(xmlHttpRequest, textStatus, error) {
 355                 /* ignore error. */
 356         });
 357 }
 358
 359 function unlikePost(postId) {
 360         $.getJSON("unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 361                 if ((data == null) || !data.success) {
 362                         return;
 363                 }
 364                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
 365                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
 366                 updatePostLikes(postId);
 367         }, function(xmlHttpRequest, textStatus, error) {
 368                 /* ignore error. */
 369         });
 370 }
 371
 372 function updatePostLikes(postId) {
 373         $.getJSON("getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
 374                 if ((data != null) && data.success) {
 375                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0)
 376                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
 377                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
 378                 }
 379         }, function(xmlHttpRequest, textStatus, error) {
 380                 /* ignore error. */
 381         });
 382 }
 383
 384 function likeReply(replyId) {
 385         $.getJSON("like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 386                 if ((data == null) || !data.success) {
 387                         return;
 388                 }
 389                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
 390                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
 391                 updateReplyLikes(replyId);
 392         }, function(xmlHttpRequest, textStatus, error) {
 393                 /* ignore error. */
 394         });
 395 }
 396
 397 function unlikeReply(replyId) {
 398         $.getJSON("unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 399                 if ((data == null) || !data.success) {
 400                         return;
 401                 }
 402                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
 403                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
 404                 updateReplyLikes(replyId);
 405         }, function(xmlHttpRequest, textStatus, error) {
 406                 /* ignore error. */
 407         });
 408 }
 409
 410 /**
 411  * Trusts the Sone with the given ID.
 412  *
 413  * @param soneId
 414  *            The ID of the Sone to trust
 415  */
 416 function trustSone(soneId) {
 417         $.getJSON("trustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 418                 if ((data != null) && data.success) {
 419                         updateTrustControls(soneId, data.trustValue);
 420                 }
 421         });
 422 }
 423
 424 /**
 425  * Distrusts the Sone with the given ID, i.e. assigns a negative trust value.
 426  *
 427  * @param soneId
 428  *            The ID of the Sone to distrust
 429  */
 430 function distrustSone(soneId) {
 431         $.getJSON("distrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 432                 if ((data != null) && data.success) {
 433                         updateTrustControls(soneId, data.trustValue);
 434                 }
 435         });
 436 }
 437
 438 /**
 439  * Untrusts the Sone with the given ID, i.e. removes any trust assignment.
 440  *
 441  * @param soneId
 442  *            The ID of the Sone to untrust
 443  */
 444 function untrustSone(soneId) {
 445         $.getJSON("untrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 446                 if ((data != null) && data.success) {
 447                         updateTrustControls(soneId, data.trustValue);
 448                 }
 449         });
 450 }
 451
 452 /**
 453  * Updates the trust controls for all posts and replies of the given Sone,
 454  * according to the given trust value.
 455  *
 456  * @param soneId
 457  *            The ID of the Sone to update all trust controls for
 458  * @param trustValue
 459  *            The trust value for the Sone
 460  */
 461 function updateTrustControls(soneId, trustValue) {
 462         $("#sone .post").each(function() {
 463                 if (getPostAuthor(this) == soneId) {
 464                         getPostElement(this).find(".post-trust").toggleClass("hidden", trustValue != null);
 465                         getPostElement(this).find(".post-distrust").toggleClass("hidden", trustValue != null);
 466                         getPostElement(this).find(".post-untrust").toggleClass("hidden", trustValue == null);
 467                 }
 468         });
 469         $("#sone .reply").each(function() {
 470                 if (getReplyAuthor(this) == soneId) {
 471                         getReplyElement(this).find(".reply-trust").toggleClass("hidden", trustValue != null);
 472                         getReplyElement(this).find(".reply-distrust").toggleClass("hidden", trustValue != null);
 473                         getReplyElement(this).find(".reply-untrust").toggleClass("hidden", trustValue == null);
 474                 }
 475         });
 476 }
 477
 478 function updateReplyLikes(replyId) {
 479         $.getJSON("getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
 480                 if ((data != null) && data.success) {
 481                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0)
 482                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
 483                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
 484                 }
 485         }, function(xmlHttpRequest, textStatus, error) {
 486                 /* ignore error. */
 487         });
 488 }
 489
 490 /**
 491  * Posts a reply and calls the given callback when the request finishes.
 492  *
 493  * @param sender
 494  *            The ID of the sender
 495  * @param postId
 496  *            The ID of the post the reply refers to
 497  * @param text
 498  *            The text to post
 499  * @param callbackFunction
 500  *            The callback function to call when the request finishes (takes 3
 501  *            parameters: success, error, replyId)
 502  */
 503 function postReply(sender, postId, text, callbackFunction) {
 504         $.getJSON("createReply.ajax", { "formPassword" : getFormPassword(), "sender": sender, "post" : postId, "text": text }, function(data, textStatus) {
 505                 if (data == null) {
 506                         /* TODO - show error */
 507                         return;
 508                 }
 509                 if (data.success) {
 510                         callbackFunction(true, null, data.reply, data.sone);
 511                 } else {
 512                         callbackFunction(false, data.error);
 513                 }
 514         }, function(xmlHttpRequest, textStatus, error) {
 515                 /* ignore error. */
 516         });
 517 }
 518
 519 /**
 520  * Requests information about the reply with the given ID.
 521  *
 522  * @param replyId
 523  *            The ID of the reply
 524  * @param callbackFunction
 525  *            A callback function (parameters soneId, soneName, replyTime,
 526  *            replyDisplayTime, text, html)
 527  */
 528 function getReply(replyId, callbackFunction) {
 529         $.getJSON("getReply.ajax", { "reply" : replyId }, function(data, textStatus) {
 530                 if ((data != null) && data.success) {
 531                         callbackFunction(data.soneId, data.soneName, data.time, data.displayTime, data.text, data.html);
 532                 }
 533         }, function(xmlHttpRequest, textStatus, error) {
 534                 /* ignore error. */
 535         });
 536 }
 537
 538 /**
 539  * Ajaxifies the given Sone by enhancing all eligible elements with AJAX.
 540  *
 541  * @param soneElement
 542  *            The Sone to ajaxify
 543  */
 544 function ajaxifySone(soneElement) {
 545         /*
 546          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
 547          * nicer.
 548          */
 549         $(".follow", soneElement).submit(function() {
 550                 var followElement = this;
 551                 $.getJSON("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 552                         $(followElement).addClass("hidden");
 553                         $(followElement).parent().find(".unfollow").removeClass("hidden");
 554                 });
 555                 return false;
 556         });
 557         $(".unfollow", soneElement).submit(function() {
 558                 var unfollowElement = this;
 559                 $.getJSON("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 560                         $(unfollowElement).addClass("hidden");
 561                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
 562                 });
 563                 return false;
 564         });
 565         $(".lock", soneElement).submit(function() {
 566                 var lockElement = this;
 567                 $.getJSON("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 568                         $(lockElement).addClass("hidden");
 569                         $(lockElement).parent().find(".unlock").removeClass("hidden");
 570                 });
 571                 return false;
 572         });
 573         $(".unlock", soneElement).submit(function() {
 574                 var unlockElement = this;
 575                 $.getJSON("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 576                         $(unlockElement).addClass("hidden");
 577                         $(unlockElement).parent().find(".lock").removeClass("hidden");
 578                 });
 579                 return false;
 580         });
 581
 582         /* mark Sone as known when clicking it. */
 583         $(soneElement).click(function() {
 584                 markSoneAsKnown(soneElement);
 585         });
 586 }
 587
 588 /**
 589  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
 590  *
 591  * @param postElement
 592  *            The post element to ajaxify
 593  */
 594 function ajaxifyPost(postElement) {
 595         $(postElement).find("form").submit(function() {
 596                 return false;
 597         });
 598         $(postElement).find(".create-reply button:submit").click(function() {
 599                 sender = $(this.form).find(":input[name=sender]").val();
 600                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
 601                 postId = getPostId(this);
 602                 text = $(inputField).val();
 603                 (function(sender, postId, text, inputField) {
 604                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
 605                                 if (success) {
 606                                         $(inputField).val("");
 607                                         loadNewReply(replyId, soneId, postId);
 608                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 609                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
 610                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
 611                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
 612                                 } else {
 613                                         alert(error);
 614                                 }
 615                         });
 616                 })(sender, postId, text, inputField);
 617                 return false;
 618         });
 619
 620         /* replace all “delete” buttons with javascript. */
 621         (function(postElement) {
 622                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 623                         postId = getPostId(postElement);
 624                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 625                 });
 626         })(postElement);
 627
 628         /* convert all “like” buttons to javascript functions. */
 629         $(postElement).find(".like-post").submit(function() {
 630                 likePost(getPostId(this));
 631                 return false;
 632         });
 633         $(postElement).find(".unlike-post").submit(function() {
 634                 unlikePost(getPostId(this));
 635                 return false;
 636         });
 637
 638         /* convert trust control buttons to javascript functions. */
 639         $(postElement).find(".post-trust").submit(function() {
 640                 trustSone(getPostAuthor(this));
 641                 return false;
 642         });
 643         $(postElement).find(".post-distrust").submit(function() {
 644                 distrustSone(getPostAuthor(this));
 645                 return false;
 646         });
 647         $(postElement).find(".post-untrust").submit(function() {
 648                 untrustSone(getPostAuthor(this));
 649                 return false;
 650         });
 651
 652         /* add “comment” link. */
 653         addCommentLink(getPostId(postElement), postElement, $(postElement).find(".post-status-line .time"));
 654
 655         /* process all replies. */
 656         $(postElement).find(".reply").each(function() {
 657                 ajaxifyReply(this);
 658         });
 659
 660         /* process reply input fields. */
 661         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 662                 $(postElement).find("input.reply-input").each(function() {
 663                         registerInputTextareaSwap(this, text, "text", false, false);
 664                 });
 665         });
 666
 667         /* process sender selection. */
 668         $(".select-sender", postElement).css("display", "inline");
 669         $(".sender", postElement).hide();
 670         $(".select-sender button", postElement).click(function() {
 671                 $(".sender", postElement).show();
 672                 $(".select-sender", postElement).hide();
 673                 return false;
 674         });
 675
 676         /* mark everything as known on click. */
 677         $(postElement).click(function(event) {
 678                 if ($(event.target).hasClass("click-to-show")) {
 679                         return false;
 680                 }
 681                 markPostAsKnown(this);
 682         });
 683
 684         /* hide reply input field. */
 685         $(postElement).find(".create-reply").addClass("hidden");
 686 }
 687
 688 /**
 689  * Ajaxifies the given reply element.
 690  *
 691  * @param replyElement
 692  *            The reply element to ajaxify
 693  */
 694 function ajaxifyReply(replyElement) {
 695         $(replyElement).find(".like-reply").submit(function() {
 696                 likeReply(getReplyId(this));
 697                 return false;
 698         });
 699         $(replyElement).find(".unlike-reply").submit(function() {
 700                 unlikeReply(getReplyId(this));
 701                 return false;
 702         });
 703         (function(replyElement) {
 704                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 705                         $(replyElement).find(".delete-reply button").each(function() {
 706                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 707                         });
 708                 });
 709         })(replyElement);
 710         addCommentLink(getPostId(replyElement), replyElement, $(replyElement).find(".reply-status-line .time"));
 711
 712         /* convert trust control buttons to javascript functions. */
 713         $(replyElement).find(".reply-trust").submit(function() {
 714                 trustSone(getReplyAuthor(this));
 715                 return false;
 716         });
 717         $(replyElement).find(".reply-distrust").submit(function() {
 718                 distrustSone(getReplyAuthor(this));
 719                 return false;
 720         });
 721         $(replyElement).find(".reply-untrust").submit(function() {
 722                 untrustSone(getReplyAuthor(this));
 723                 return false;
 724         });
 725 }
 726
 727 /**
 728  * Ajaxifies the given notification by replacing the form with AJAX.
 729  *
 730  * @param notification
 731  *            jQuery object representing the notification.
 732  */
 733 function ajaxifyNotification(notification) {
 734         notification.find("form").submit(function() {
 735                 return false;
 736         });
 737         notification.find("input[name=returnPage]").val($.url.attr("relative"));
 738         if (notification.find(".short-text").length > 0) {
 739                 notification.find(".short-text").removeClass("hidden");
 740                 notification.find(".text").addClass("hidden");
 741         }
 742         notification.find("form.mark-as-read button").click(function() {
 743                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": $(":input[name=id]", this.form).val()});
 744         });
 745         notification.find("a[class^='link-']").each(function() {
 746                 linkElement = $(this);
 747                 if (linkElement.is("[href^='viewPost']")) {
 748                         id = linkElement.attr("class").substr(5);
 749                         if (hasPost(id)) {
 750                                 linkElement.attr("href", "#post-" + id);
 751                         }
 752                 }
 753         });
 754         notification.find("form.dismiss button").click(function() {
 755                 $.getJSON("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 756                         /* dismiss in case of error, too. */
 757                         notification.slideUp();
 758                 }, function(xmlHttpRequest, textStatus, error) {
 759                         /* ignore error. */
 760                 });
 761         });
 762         return notification;
 763 }
 764
 765 function getStatus() {
 766         $.getJSON("getStatus.ajax", {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
 767                 if ((data != null) && data.success) {
 768                         /* process Sone information. */
 769                         $.each(data.sones, function(index, value) {
 770                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated);
 771                         });
 772                         /* process notifications. */
 773                         $.each(data.notifications, function(index, value) {
 774                                 oldNotification = $("#sone #notification-area .notification#" + value.id);
 775                                 notification = ajaxifyNotification(createNotification(value.id, value.text, value.dismissable)).hide();
 776                                 if (oldNotification.length != 0) {
 777                                         if ((oldNotification.find(".short-text").length > 0) && (notification.find(".short-text").length > 0)) {
 778                                                 opened = oldNotification.is(":visible") && oldNotification.find(".short-text").hasClass("hidden");
 779                                                 notification.find(".short-text").toggleClass("hidden", opened);
 780                                                 notification.find(".text").toggleClass("hidden", !opened);
 781                                         }
 782                                         oldNotification.replaceWith(notification.show());
 783                                 } else {
 784                                         $("#sone #notification-area").append(notification);
 785                                         notification.slideDown();
 786                                 }
 787                                 setActivity();
 788                         });
 789                         $.each(data.removedNotifications, function(index, value) {
 790                                 $("#sone #notification-area .notification#" + value.id).slideUp();
 791                         });
 792                         /* process new posts. */
 793                         $.each(data.newPosts, function(index, value) {
 794                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
 795                         });
 796                         /* process new replies. */
 797                         $.each(data.newReplies, function(index, value) {
 798                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
 799                         });
 800                         /* do it again in 5 seconds. */
 801                         setTimeout(getStatus, 5000);
 802                 } else {
 803                         /* data.success was false, wait 30 seconds. */
 804                         setTimeout(getStatus, 30000);
 805                 }
 806         }, function(xmlHttpRequest, textStatus, error) {
 807                 /* something really bad happend, wait a minute. */
 808                 setTimeout(getStatus, 60000);
 809         })
 810 }
 811
 812 /**
 813  * Returns the ID of the currently logged in Sone.
 814  *
 815  * @return The ID of the current Sone, or an empty string if no Sone is logged
 816  *         in
 817  */
 818 function getCurrentSoneId() {
 819         return $("#currentSoneId").text();
 820 }
 821
 822 /**
 823  * Returns the content of the page-id attribute.
 824  *
 825  * @returns The page ID
 826  */
 827 function getPageId() {
 828         return $("#sone .page-id").text();
 829 }
 830
 831 /**
 832  * Returns whether the current page is the index page.
 833  *
 834  * @returns {Boolean} <code>true</code> if the current page is the index page,
 835  *          <code>false</code> otherwise
 836  */
 837 function isIndexPage() {
 838         return getPageId() == "index";
 839 }
 840
 841 /**
 842  * Returns whether the current page is a “view Sone” page.
 843  *
 844  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
 845  *          page, <code>false</code> otherwise
 846  */
 847 function isViewSonePage() {
 848         return getPageId() == "view-sone";
 849 }
 850
 851 /**
 852  * Returns the ID of the currently shown Sone. This will only return a sensible
 853  * value if isViewSonePage() returns <code>true</code>.
 854  *
 855  * @returns The ID of the currently shown Sone
 856  */
 857 function getShownSoneId() {
 858         return $("#sone .sone-id").text();
 859 }
 860
 861 /**
 862  * Returns whether the current page is a “view post” page.
 863  *
 864  * @returns {Boolean} <code>true</code> if the current page is a “view post”
 865  *          page, <code>false</code> otherwise
 866  */
 867 function isViewPostPage() {
 868         return getPageId() == "view-post";
 869 }
 870
 871 /**
 872  * Returns the ID of the currently shown post. This will only return a sensible
 873  * value if isViewPostPage() returns <code>true</code>.
 874  *
 875  * @returns The ID of the currently shown post
 876  */
 877 function getShownPostId() {
 878         return $("#sone .post-id").text();
 879 }
 880
 881 /**
 882  * Returns whether the current page is the “known Sones” page.
 883  *
 884  * @returns {Boolean} <code>true</code> if the current page is the “known
 885  *          Sones” page, <code>false</code> otherwise
 886  */
 887 function isKnownSonesPage() {
 888         return getPageId() == "known-sones";
 889 }
 890
 891 /**
 892  * Returns whether a post with the given ID exists on the current page.
 893  *
 894  * @param postId
 895  *            The post ID to check for
 896  * @returns {Boolean} <code>true</code> if a post with the given ID already
 897  *          exists on the page, <code>false</code> otherwise
 898  */
 899 function hasPost(postId) {
 900         return $(".post#" + postId).length > 0;
 901 }
 902
 903 /**
 904  * Returns whether a reply with the given ID exists on the current page.
 905  *
 906  * @param replyId
 907  *            The reply ID to check for
 908  * @returns {Boolean} <code>true</code> if a reply with the given ID already
 909  *          exists on the page, <code>false</code> otherwise
 910  */
 911 function hasReply(replyId) {
 912         return $("#sone .reply#" + replyId).length > 0;
 913 }
 914
 915 function loadNewPost(postId, soneId, recipientId, time) {
 916         if (hasPost(postId)) {
 917                 return;
 918         }
 919         if (!isIndexPage()) {
 920                 if (!isViewPostPage() || (getShownPostId() != postId)) {
 921                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId))) {
 922                                 return;
 923                         }
 924                 }
 925         }
 926         if (getPostTime($("#sone .post").last()) > time) {
 927                 return;
 928         }
 929         $.getJSON("getPost.ajax", { "post" : postId }, function(data, textStatus) {
 930                 if ((data != null) && data.success) {
 931                         if (hasPost(data.post.id)) {
 932                                 return;
 933                         }
 934                         if (!isIndexPage() && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient)))) {
 935                                 return;
 936                         }
 937                         var firstOlderPost = null;
 938                         $("#sone .post").each(function() {
 939                                 if (getPostTime(this) < data.post.time) {
 940                                         firstOlderPost = $(this);
 941                                         return false;
 942                                 }
 943                         });
 944                         newPost = $(data.post.html).addClass("hidden");
 945                         if (firstOlderPost != null) {
 946                                 newPost.insertBefore(firstOlderPost);
 947                         }
 948                         ajaxifyPost(newPost);
 949                         newPost.slideDown();
 950                         setActivity();
 951                 }
 952         });
 953 }
 954
 955 function loadNewReply(replyId, soneId, postId, postSoneId) {
 956         if (hasReply(replyId)) {
 957                 return;
 958         }
 959         if (!hasPost(postId)) {
 960                 return;
 961         }
 962         $.getJSON("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
 963                 /* find post. */
 964                 if ((data != null) && data.success) {
 965                         if (hasReply(data.reply.id)) {
 966                                 return;
 967                         }
 968                         $("#sone .post#" + data.reply.postId).each(function() {
 969                                 var firstNewerReply = null;
 970                                 $(this).find(".replies .reply").each(function() {
 971                                         if (getReplyTime(this) > data.reply.time) {
 972                                                 firstNewerReply = $(this);
 973                                                 return false;
 974                                         }
 975                                 });
 976                                 newReply = $(data.reply.html).addClass("hidden");
 977                                 if (firstNewerReply != null) {
 978                                         newReply.insertBefore(firstNewerReply);
 979                                 } else {
 980                                         if ($(this).find(".replies .create-reply")) {
 981                                                 $(this).find(".replies .create-reply").before(newReply);
 982                                         } else {
 983                                                 $(this).find(".replies").append(newReply);
 984                                         }
 985                                 }
 986                                 ajaxifyReply(newReply);
 987                                 newReply.slideDown();
 988                                 setActivity();
 989                                 return false;
 990                         });
 991                 }
 992         });
 993 }
 994
 995 /**
 996  * Marks the given Sone as known if it is still new.
 997  *
 998  * @param soneElement
 999  *            The Sone to mark as known
1000  */
1001 function markSoneAsKnown(soneElement) {
1002         if ($(".new", soneElement).length > 0) {
1003                 $.getJSON("maskAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)}, function(data, textStatus) {
1004                         $(soneElement).removeClass("new");
1005                 });
1006         }
1007 }
1008
1009 function markPostAsKnown(postElements) {
1010         $(postElements).each(function() {
1011                 postElement = this;
1012                 if ($(postElement).hasClass("new")) {
1013                         (function(postElement) {
1014                                 $(postElement).removeClass("new");
1015                                 $(".click-to-show", postElement).removeClass("new");
1016                                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)});
1017                         })(postElement);
1018                 }
1019         });
1020         markReplyAsKnown($(postElements).find(".reply"));
1021 }
1022
1023 function markReplyAsKnown(replyElements) {
1024         $(replyElements).each(function() {
1025                 replyElement = this;
1026                 if ($(replyElement).hasClass("new")) {
1027                         (function(replyElement) {
1028                                 $(replyElement).removeClass("new");
1029                                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)});
1030                         })(replyElement);
1031                 }
1032         });
1033 }
1034
1035 function resetActivity() {
1036         title = document.title;
1037         if (title.indexOf('(') == 0) {
1038                 document.title = title.substr(title.indexOf(' ') + 1);
1039         }
1040 }
1041
1042 function setActivity() {
1043         if (!focus) {
1044                 title = document.title;
1045                 if (title.indexOf('(') != 0) {
1046                         document.title = "(!) " + title;
1047                 }
1048                 if (!iconBlinking) {
1049                         setTimeout(toggleIcon, 1500);
1050                         iconBlinking = true;
1051                 }
1052         }
1053 }
1054
1055 /** Whether the icon is currently showing activity. */
1056 var iconActive = false;
1057
1058 /** Whether the icon is currently supposed to blink. */
1059 var iconBlinking = false;
1060
1061 /**
1062  * Toggles the icon. If the window has gained focus and the icon is still
1063  * showing the activity state, it is returned to normal.
1064  */
1065 function toggleIcon() {
1066         if (focus) {
1067                 if (iconActive) {
1068                         changeIcon("images/icon.png");
1069                         iconActive = false;
1070                 }
1071                 iconBlinking = false;
1072         } else {
1073                 iconActive = !iconActive;
1074                 console.log("showing icon: " + iconActive);
1075                 changeIcon(iconActive ? "images/icon-activity.png" : "images/icon.png");
1076                 setTimeout(toggleIcon, 1500);
1077         }
1078 }
1079
1080 /**
1081  * Changes the icon of the page.
1082  *
1083  * @param iconUrl
1084  *            The new URL of the icon
1085  */
1086 function changeIcon(iconUrl) {
1087         $("link[rel=icon]").remove();
1088         $("head").append($("<link>").attr("rel", "icon").attr("type", "image/png").attr("href", iconUrl));
1089         $("iframe[id=icon-update]")[0].src += "";
1090 }
1091
1092 /**
1093  * Creates a new notification.
1094  *
1095  * @param id
1096  *            The ID of the notificaiton
1097  * @param text
1098  *            The text of the notification
1099  * @param dismissable
1100  *            <code>true</code> if the notification can be dismissed by the
1101  *            user
1102  */
1103 function createNotification(id, text, dismissable) {
1104         notification = $("<div></div>").addClass("notification").attr("id", id);
1105         if (dismissable) {
1106                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id")
1107                 dismissForm.find("input[name=notification]").val(id);
1108                 notification.append(dismissForm);
1109         }
1110         notification.append(text);
1111         return notification;
1112 }
1113
1114 /**
1115  * Shows the details of the notification with the given ID.
1116  *
1117  * @param notificationId
1118  *            The ID of the notification
1119  */
1120 function showNotificationDetails(notificationId) {
1121         $("#sone .notification#" + notificationId + " .text").removeClass("hidden");
1122         $("#sone .notification#" + notificationId + " .short-text").addClass("hidden");
1123 }
1124
1125 /**
1126  * Deletes the field with the given ID from the profile.
1127  *
1128  * @param fieldId
1129  *            The ID of the field to delete
1130  */
1131 function deleteProfileField(fieldId) {
1132         $.getJSON("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1133                 if (data && data.success) {
1134                         $("#sone .profile-field#" + data.field.id).slideUp();
1135                 }
1136         });
1137 }
1138
1139 /**
1140  * Renames a profile field.
1141  *
1142  * @param fieldId
1143  *            The ID of the field to rename
1144  * @param newName
1145  *            The new name of the field
1146  * @param successFunction
1147  *            Called when the renaming was successful
1148  */
1149 function editProfileField(fieldId, newName, successFunction) {
1150         $.getJSON("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1151                 if (data && data.success) {
1152                         successFunction();
1153                 }
1154         });
1155 }
1156
1157 /**
1158  * Moves the profile field with the given ID one slot in the given direction.
1159  *
1160  * @param fieldId
1161  *            The ID of the field to move
1162  * @param direction
1163  *            The direction to move in (“up” or “down”)
1164  * @param successFunction
1165  *            Function to call on success
1166  */
1167 function moveProfileField(fieldId, direction, successFunction) {
1168         $.getJSON("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1169                 if (data && data.success) {
1170                         successFunction();
1171                 }
1172         });
1173 }
1174
1175 /**
1176  * Moves the profile field with the given ID up one slot.
1177  *
1178  * @param fieldId
1179  *            The ID of the field to move
1180  * @param successFunction
1181  *            Function to call on success
1182  */
1183 function moveProfileFieldUp(fieldId, successFunction) {
1184         moveProfileField(fieldId, "up", successFunction);
1185 }
1186
1187 /**
1188  * Moves the profile field with the given ID down one slot.
1189  *
1190  * @param fieldId
1191  *            The ID of the field to move
1192  * @param successFunction
1193  *            Function to call on success
1194  */
1195 function moveProfileFieldDown(fieldId, successFunction) {
1196         moveProfileField(fieldId, "down", successFunction);
1197 }
1198
1199 //
1200 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1201 //
1202
1203 var focus = true;
1204
1205 $(document).ready(function() {
1206
1207         /* this initializes the status update input field. */
1208         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1209                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1210                 $("#sone #update-status .select-sender").css("display", "inline");
1211                 $("#sone #update-status .sender").hide();
1212                 $("#sone #update-status .select-sender button").click(function() {
1213                         $("#sone #update-status .sender").show();
1214                         $("#sone #update-status .select-sender").hide();
1215                         return false;
1216                 });
1217                 $("#sone #update-status").submit(function() {
1218                         if ($(this).find(":input.default:enabled").length > 0) {
1219                                 return false;
1220                         }
1221                         sender = $(this).find(":input[name=sender]").val();
1222                         text = $(this).find(":input[name=text]:enabled").val();
1223                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1224                                 if ((data != null) && data.success) {
1225                                         loadNewPost(data.postId, data.sone, data.recipient);
1226                                 }
1227                         });
1228                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1229                         $(this).find(":input[name=text]:enabled").val("").blur();
1230                         $(this).find(".sender").hide();
1231                         $(this).find(".select-sender").show();
1232                         return false;
1233                 });
1234         });
1235
1236         /* ajaxify input field on “view Sone” page. */
1237         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1238                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1239                 $("#sone #post-message").submit(function() {
1240                         text = $(this).find(":input:enabled").val();
1241                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "text": text }, function(data, textStatus) {
1242                                 if ((data != null) && data.success) {
1243                                         loadNewPost(data.postId, getCurrentSoneId());
1244                                 }
1245                         });
1246                         $(this).find(":input:enabled").val("").blur();
1247                         return false;
1248                 });
1249         });
1250
1251         /* Ajaxifies all posts. */
1252         /* calling getTranslation here will cache the necessary values. */
1253         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1254                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1255                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1256                                 $("#sone .post").each(function() {
1257                                         ajaxifyPost(this);
1258                                 });
1259                         });
1260                 });
1261         });
1262
1263         /* hides all replies but the latest two. */
1264         if (!isViewPostPage()) {
1265                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1266                         $("#sone .post .replies").each(function() {
1267                                 allReplies = $(this).find(".reply");
1268                                 if (allReplies.length > 2) {
1269                                         newHidden = false;
1270                                         for (replyIndex = 0; replyIndex < (allReplies.length - 2); ++replyIndex) {
1271                                                 $(allReplies[replyIndex]).addClass("hidden");
1272                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1273                                         }
1274                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1275                                         if (newHidden) {
1276                                                 clickToShowElement.addClass("new");
1277                                         }
1278                                         (function(clickToShowElement, allReplies, text) {
1279                                                 clickToShowElement.text(text);
1280                                                 clickToShowElement.click(function() {
1281                                                         allReplies.removeClass("hidden");
1282                                                         clickToShowElement.addClass("hidden");
1283                                                 });
1284                                         })(clickToShowElement, allReplies, text);
1285                                         $(allReplies[0]).before(clickToShowElement);
1286                                 }
1287                         });
1288                 });
1289         }
1290
1291         $("#sone .sone").each(function() {
1292                 ajaxifySone($(this));
1293         });
1294
1295         /* process all existing notifications, ajaxify dismiss buttons. */
1296         $("#sone #notification-area .notification").each(function() {
1297                 ajaxifyNotification($(this));
1298         });
1299
1300         /* activate status polling. */
1301         setTimeout(getStatus, 5000);
1302
1303         /* reset activity counter when the page has focus. */
1304         $(window).focus(function() {
1305                 focus = true;
1306                 resetActivity();
1307         }).blur(function() {
1308                 focus = false;
1309         })
1310
1311 });