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("form.dismiss button").click(function() {
 746                 $.getJSON("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 747                         /* dismiss in case of error, too. */
 748                         notification.slideUp();
 749                 }, function(xmlHttpRequest, textStatus, error) {
 750                         /* ignore error. */
 751                 });
 752         });
 753         return notification;
 754 }
 755
 756 function getStatus() {
 757         $.getJSON("getStatus.ajax", {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
 758                 if ((data != null) && data.success) {
 759                         /* process Sone information. */
 760                         $.each(data.sones, function(index, value) {
 761                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated);
 762                         });
 763                         /* process notifications. */
 764                         $.each(data.notifications, function(index, value) {
 765                                 oldNotification = $("#sone #notification-area .notification#" + value.id);
 766                                 notification = ajaxifyNotification(createNotification(value.id, value.text, value.dismissable)).hide();
 767                                 if (oldNotification.length != 0) {
 768                                         if ((oldNotification.find(".short-text").length > 0) && (notification.find(".short-text").length > 0)) {
 769                                                 opened = oldNotification.is(":visible") && oldNotification.find(".short-text").hasClass("hidden");
 770                                                 notification.find(".short-text").toggleClass("hidden", opened);
 771                                                 notification.find(".text").toggleClass("hidden", !opened);
 772                                         }
 773                                         oldNotification.replaceWith(notification.show());
 774                                 } else {
 775                                         $("#sone #notification-area").append(notification);
 776                                         notification.slideDown();
 777                                 }
 778                                 setActivity();
 779                         });
 780                         $.each(data.removedNotifications, function(index, value) {
 781                                 $("#sone #notification-area .notification#" + value.id).slideUp();
 782                         });
 783                         /* process new posts. */
 784                         $.each(data.newPosts, function(index, value) {
 785                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
 786                         });
 787                         /* process new replies. */
 788                         $.each(data.newReplies, function(index, value) {
 789                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
 790                         });
 791                         /* do it again in 5 seconds. */
 792                         setTimeout(getStatus, 5000);
 793                 } else {
 794                         /* data.success was false, wait 30 seconds. */
 795                         setTimeout(getStatus, 30000);
 796                 }
 797         }, function(xmlHttpRequest, textStatus, error) {
 798                 /* something really bad happend, wait a minute. */
 799                 setTimeout(getStatus, 60000);
 800         })
 801 }
 802
 803 /**
 804  * Returns the ID of the currently logged in Sone.
 805  *
 806  * @return The ID of the current Sone, or an empty string if no Sone is logged
 807  *         in
 808  */
 809 function getCurrentSoneId() {
 810         return $("#currentSoneId").text();
 811 }
 812
 813 /**
 814  * Returns the content of the page-id attribute.
 815  *
 816  * @returns The page ID
 817  */
 818 function getPageId() {
 819         return $("#sone .page-id").text();
 820 }
 821
 822 /**
 823  * Returns whether the current page is the index page.
 824  *
 825  * @returns {Boolean} <code>true</code> if the current page is the index page,
 826  *          <code>false</code> otherwise
 827  */
 828 function isIndexPage() {
 829         return getPageId() == "index";
 830 }
 831
 832 /**
 833  * Returns whether the current page is a “view Sone” page.
 834  *
 835  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
 836  *          page, <code>false</code> otherwise
 837  */
 838 function isViewSonePage() {
 839         return getPageId() == "view-sone";
 840 }
 841
 842 /**
 843  * Returns the ID of the currently shown Sone. This will only return a sensible
 844  * value if isViewSonePage() returns <code>true</code>.
 845  *
 846  * @returns The ID of the currently shown Sone
 847  */
 848 function getShownSoneId() {
 849         return $("#sone .sone-id").text();
 850 }
 851
 852 /**
 853  * Returns whether the current page is a “view post” page.
 854  *
 855  * @returns {Boolean} <code>true</code> if the current page is a “view post”
 856  *          page, <code>false</code> otherwise
 857  */
 858 function isViewPostPage() {
 859         return getPageId() == "view-post";
 860 }
 861
 862 /**
 863  * Returns the ID of the currently shown post. This will only return a sensible
 864  * value if isViewPostPage() returns <code>true</code>.
 865  *
 866  * @returns The ID of the currently shown post
 867  */
 868 function getShownPostId() {
 869         return $("#sone .post-id").text();
 870 }
 871
 872 /**
 873  * Returns whether the current page is the “known Sones” page.
 874  *
 875  * @returns {Boolean} <code>true</code> if the current page is the “known
 876  *          Sones” page, <code>false</code> otherwise
 877  */
 878 function isKnownSonesPage() {
 879         return getPageId() == "known-sones";
 880 }
 881
 882 /**
 883  * Returns whether a post with the given ID exists on the current page.
 884  *
 885  * @param postId
 886  *            The post ID to check for
 887  * @returns {Boolean} <code>true</code> if a post with the given ID already
 888  *          exists on the page, <code>false</code> otherwise
 889  */
 890 function hasPost(postId) {
 891         return $(".post#" + postId).length > 0;
 892 }
 893
 894 /**
 895  * Returns whether a reply with the given ID exists on the current page.
 896  *
 897  * @param replyId
 898  *            The reply ID to check for
 899  * @returns {Boolean} <code>true</code> if a reply with the given ID already
 900  *          exists on the page, <code>false</code> otherwise
 901  */
 902 function hasReply(replyId) {
 903         return $("#sone .reply#" + replyId).length > 0;
 904 }
 905
 906 function loadNewPost(postId, soneId, recipientId, time) {
 907         if (hasPost(postId)) {
 908                 return;
 909         }
 910         if (!isIndexPage()) {
 911                 if (!isViewPostPage() || (getShownPostId() != postId)) {
 912                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId))) {
 913                                 return;
 914                         }
 915                 }
 916         }
 917         if (getPostTime($("#sone .post").last()) > time) {
 918                 return;
 919         }
 920         $.getJSON("getPost.ajax", { "post" : postId }, function(data, textStatus) {
 921                 if ((data != null) && data.success) {
 922                         if (hasPost(data.post.id)) {
 923                                 return;
 924                         }
 925                         if (!isIndexPage() && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient)))) {
 926                                 return;
 927                         }
 928                         var firstOlderPost = null;
 929                         $("#sone .post").each(function() {
 930                                 if (getPostTime(this) < data.post.time) {
 931                                         firstOlderPost = $(this);
 932                                         return false;
 933                                 }
 934                         });
 935                         newPost = $(data.post.html).addClass("hidden");
 936                         if (firstOlderPost != null) {
 937                                 newPost.insertBefore(firstOlderPost);
 938                         }
 939                         ajaxifyPost(newPost);
 940                         newPost.slideDown();
 941                         setActivity();
 942                 }
 943         });
 944 }
 945
 946 function loadNewReply(replyId, soneId, postId, postSoneId) {
 947         if (hasReply(replyId)) {
 948                 return;
 949         }
 950         if (!hasPost(postId)) {
 951                 return;
 952         }
 953         $.getJSON("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
 954                 /* find post. */
 955                 if ((data != null) && data.success) {
 956                         if (hasReply(data.reply.id)) {
 957                                 return;
 958                         }
 959                         $("#sone .post#" + data.reply.postId).each(function() {
 960                                 var firstNewerReply = null;
 961                                 $(this).find(".replies .reply").each(function() {
 962                                         if (getReplyTime(this) > data.reply.time) {
 963                                                 firstNewerReply = $(this);
 964                                                 return false;
 965                                         }
 966                                 });
 967                                 newReply = $(data.reply.html).addClass("hidden");
 968                                 if (firstNewerReply != null) {
 969                                         newReply.insertBefore(firstNewerReply);
 970                                 } else {
 971                                         if ($(this).find(".replies .create-reply")) {
 972                                                 $(this).find(".replies .create-reply").before(newReply);
 973                                         } else {
 974                                                 $(this).find(".replies").append(newReply);
 975                                         }
 976                                 }
 977                                 ajaxifyReply(newReply);
 978                                 newReply.slideDown();
 979                                 setActivity();
 980                                 return false;
 981                         });
 982                 }
 983         });
 984 }
 985
 986 /**
 987  * Marks the given Sone as known if it is still new.
 988  *
 989  * @param soneElement
 990  *            The Sone to mark as known
 991  */
 992 function markSoneAsKnown(soneElement) {
 993         if ($(".new", soneElement).length > 0) {
 994                 $.getJSON("maskAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)}, function(data, textStatus) {
 995                         $(soneElement).removeClass("new");
 996                 });
 997         }
 998 }
 999
1000 function markPostAsKnown(postElements) {
1001         $(postElements).each(function() {
1002                 postElement = this;
1003                 if ($(postElement).hasClass("new")) {
1004                         (function(postElement) {
1005                                 $(postElement).removeClass("new");
1006                                 $(".click-to-show", postElement).removeClass("new");
1007                                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)});
1008                         })(postElement);
1009                 }
1010         });
1011         markReplyAsKnown($(postElements).find(".reply"));
1012 }
1013
1014 function markReplyAsKnown(replyElements) {
1015         $(replyElements).each(function() {
1016                 replyElement = this;
1017                 if ($(replyElement).hasClass("new")) {
1018                         (function(replyElement) {
1019                                 $(replyElement).removeClass("new");
1020                                 $.getJSON("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)});
1021                         })(replyElement);
1022                 }
1023         });
1024 }
1025
1026 function resetActivity() {
1027         title = document.title;
1028         if (title.indexOf('(') == 0) {
1029                 document.title = title.substr(title.indexOf(' ') + 1);
1030         }
1031 }
1032
1033 function setActivity() {
1034         if (!focus) {
1035                 title = document.title;
1036                 if (title.indexOf('(') != 0) {
1037                         document.title = "(!) " + title;
1038                 }
1039                 setTimeout(toggleIcon, 1500);
1040         }
1041 }
1042
1043 /** Whether the icon is currently showing activity. */
1044 var iconActive = false;
1045
1046 /**
1047  * Toggles the icon. If the window has gained focus and the icon is still
1048  * showing the activity state, it is returned to normal.
1049  */
1050 function toggleIcon() {
1051         if (focus) {
1052                 if (iconActive) {
1053                         changeIcon("images/icon.png");
1054                         iconActive = false;
1055                 }
1056         } else {
1057                 iconActive = !iconActive;
1058                 console.log("showing icon: " + iconActive);
1059                 changeIcon(iconActive ? "images/icon-activity.png" : "images/icon.png");
1060                 setTimeout(toggleIcon, 1500);
1061         }
1062 }
1063
1064 /**
1065  * Changes the icon of the page.
1066  *
1067  * @param iconUrl
1068  *            The new URL of the icon
1069  */
1070 function changeIcon(iconUrl) {
1071         $("link[rel=icon]").remove();
1072         $("head").append($("<link>").attr("rel", "icon").attr("type", "image/png").attr("href", iconUrl));
1073         $("iframe[id=icon-update]")[0].src += "";
1074 }
1075
1076 /**
1077  * Creates a new notification.
1078  *
1079  * @param id
1080  *            The ID of the notificaiton
1081  * @param text
1082  *            The text of the notification
1083  * @param dismissable
1084  *            <code>true</code> if the notification can be dismissed by the
1085  *            user
1086  */
1087 function createNotification(id, text, dismissable) {
1088         notification = $("<div></div>").addClass("notification").attr("id", id);
1089         if (dismissable) {
1090                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id")
1091                 dismissForm.find("input[name=notification]").val(id);
1092                 notification.append(dismissForm);
1093         }
1094         notification.append(text);
1095         return notification;
1096 }
1097
1098 /**
1099  * Shows the details of the notification with the given ID.
1100  *
1101  * @param notificationId
1102  *            The ID of the notification
1103  */
1104 function showNotificationDetails(notificationId) {
1105         $("#sone .notification#" + notificationId + " .text").removeClass("hidden");
1106         $("#sone .notification#" + notificationId + " .short-text").addClass("hidden");
1107 }
1108
1109 /**
1110  * Deletes the field with the given ID from the profile.
1111  *
1112  * @param fieldId
1113  *            The ID of the field to delete
1114  */
1115 function deleteProfileField(fieldId) {
1116         $.getJSON("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1117                 if (data && data.success) {
1118                         $("#sone .profile-field#" + data.field.id).slideUp();
1119                 }
1120         });
1121 }
1122
1123 /**
1124  * Renames a profile field.
1125  *
1126  * @param fieldId
1127  *            The ID of the field to rename
1128  * @param newName
1129  *            The new name of the field
1130  * @param successFunction
1131  *            Called when the renaming was successful
1132  */
1133 function editProfileField(fieldId, newName, successFunction) {
1134         $.getJSON("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1135                 if (data && data.success) {
1136                         successFunction();
1137                 }
1138         });
1139 }
1140
1141 /**
1142  * Moves the profile field with the given ID one slot in the given direction.
1143  *
1144  * @param fieldId
1145  *            The ID of the field to move
1146  * @param direction
1147  *            The direction to move in (“up” or “down”)
1148  * @param successFunction
1149  *            Function to call on success
1150  */
1151 function moveProfileField(fieldId, direction, successFunction) {
1152         $.getJSON("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1153                 if (data && data.success) {
1154                         successFunction();
1155                 }
1156         });
1157 }
1158
1159 /**
1160  * Moves the profile field with the given ID up one slot.
1161  *
1162  * @param fieldId
1163  *            The ID of the field to move
1164  * @param successFunction
1165  *            Function to call on success
1166  */
1167 function moveProfileFieldUp(fieldId, successFunction) {
1168         moveProfileField(fieldId, "up", successFunction);
1169 }
1170
1171 /**
1172  * Moves the profile field with the given ID down one slot.
1173  *
1174  * @param fieldId
1175  *            The ID of the field to move
1176  * @param successFunction
1177  *            Function to call on success
1178  */
1179 function moveProfileFieldDown(fieldId, successFunction) {
1180         moveProfileField(fieldId, "down", successFunction);
1181 }
1182
1183 //
1184 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1185 //
1186
1187 var focus = true;
1188
1189 $(document).ready(function() {
1190
1191         /* this initializes the status update input field. */
1192         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1193                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1194                 $("#sone #update-status .select-sender").css("display", "inline");
1195                 $("#sone #update-status .sender").hide();
1196                 $("#sone #update-status .select-sender button").click(function() {
1197                         $("#sone #update-status .sender").show();
1198                         $("#sone #update-status .select-sender").hide();
1199                         return false;
1200                 });
1201                 $("#sone #update-status").submit(function() {
1202                         if ($(this).find(":input.default:enabled").length > 0) {
1203                                 return false;
1204                         }
1205                         sender = $(this).find(":input[name=sender]").val();
1206                         text = $(this).find(":input[name=text]:enabled").val();
1207                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1208                                 if ((data != null) && data.success) {
1209                                         loadNewPost(data.postId, data.sone, data.recipient);
1210                                 }
1211                         });
1212                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1213                         $(this).find(":input[name=text]:enabled").val("").blur();
1214                         $(this).find(".sender").hide();
1215                         $(this).find(".select-sender").show();
1216                         return false;
1217                 });
1218         });
1219
1220         /* ajaxify input field on “view Sone” page. */
1221         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1222                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1223                 $("#sone #post-message").submit(function() {
1224                         text = $(this).find(":input:enabled").val();
1225                         $.getJSON("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "text": text }, function(data, textStatus) {
1226                                 if ((data != null) && data.success) {
1227                                         loadNewPost(data.postId, getCurrentSoneId());
1228                                 }
1229                         });
1230                         $(this).find(":input:enabled").val("").blur();
1231                         return false;
1232                 });
1233         });
1234
1235         /* Ajaxifies all posts. */
1236         /* calling getTranslation here will cache the necessary values. */
1237         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1238                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1239                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1240                                 $("#sone .post").each(function() {
1241                                         ajaxifyPost(this);
1242                                 });
1243                         });
1244                 });
1245         });
1246
1247         /* hides all replies but the latest two. */
1248         if (!isViewPostPage()) {
1249                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1250                         $("#sone .post .replies").each(function() {
1251                                 allReplies = $(this).find(".reply");
1252                                 if (allReplies.length > 2) {
1253                                         newHidden = false;
1254                                         for (replyIndex = 0; replyIndex < (allReplies.length - 2); ++replyIndex) {
1255                                                 $(allReplies[replyIndex]).addClass("hidden");
1256                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1257                                         }
1258                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1259                                         if (newHidden) {
1260                                                 clickToShowElement.addClass("new");
1261                                         }
1262                                         (function(clickToShowElement, allReplies, text) {
1263                                                 clickToShowElement.text(text);
1264                                                 clickToShowElement.click(function() {
1265                                                         allReplies.removeClass("hidden");
1266                                                         clickToShowElement.addClass("hidden");
1267                                                 });
1268                                         })(clickToShowElement, allReplies, text);
1269                                         $(allReplies[0]).before(clickToShowElement);
1270                                 }
1271                         });
1272                 });
1273         }
1274
1275         $("#sone .sone").each(function() {
1276                 ajaxifySone($(this));
1277         });
1278
1279         /* process all existing notifications, ajaxify dismiss buttons. */
1280         $("#sone #notification-area .notification").each(function() {
1281                 ajaxifyNotification($(this));
1282         });
1283
1284         /* activate status polling. */
1285         setTimeout(getStatus, 5000);
1286
1287         /* reset activity counter when the page has focus. */
1288         $(window).focus(function() {
1289                 focus = true;
1290                 resetActivity();
1291         }).blur(function() {
1292                 focus = false;
1293         })
1294
1295 });