src/main/resources/static/javascript/sone.js

   1 /* Sone JavaScript functions. */
   2
   3 function isOnline() {
   4         return $("#sone").hasClass("online");
   5 }
   6
   7 function registerInputTextareaSwap(inputSelector, defaultText, inputFieldName, optional, dontUseTextarea) {
   8         $(inputSelector).each(function() {
   9                 textarea = $(dontUseTextarea ? "<input type=\"text\" name=\"" + inputFieldName + "\">" : "<textarea name=\"" + inputFieldName + "\"></textarea>").blur(function() {
  10                         if ($(this).val() == "") {
  11                                 $(this).hide();
  12                                 inputField = $(this).data("inputField");
  13                                 inputField.show().removeAttr("disabled").addClass("default");
  14                                 (function(inputField) {
  15                                         getTranslation(defaultText, function(translation) {
  16                                                 inputField.val(translation);
  17                                         });
  18                                 })(inputField);
  19                         }
  20                 }).hide().data("inputField", $(this)).val($(this).val());
  21                 $(this).after(textarea);
  22                 (function(inputField, textarea) {
  23                         inputField.focus(function() {
  24                                 $(this).hide().attr("disabled", "disabled");
  25                                 textarea.show().focus();
  26                         });
  27                         if (inputField.val() == "") {
  28                                 inputField.addClass("default");
  29                                 (function(inputField) {
  30                                         getTranslation(defaultText, function(translation) {
  31                                                 inputField.val(translation);
  32                                         });
  33                                 })(inputField);
  34                         } else {
  35                                 inputField.hide().attr("disabled", "disabled");
  36                                 textarea.show();
  37                         }
  38                         $(inputField.get(0).form).submit(function() {
  39                                 if (!optional && (textarea.val() == "")) {
  40                                         return false;
  41                                 }
  42                         });
  43                 })($(this), textarea);
  44         });
  45 }
  46
  47 /* hide all the “create reply” forms until a link is clicked. */
  48 function addCommentLinks() {
  49         if (!isOnline()) {
  50                 return;
  51         }
  52         $("#sone .post").each(function() {
  53                 postId = $(this).attr("id");
  54                 commentElement = (function(postId) {
  55                         var commentElement = $("<div><span>Comment</span></div>").addClass("show-reply-form").click(function() {
  56                                 replyElement = $("#sone .post#" + postId + " .create-reply");
  57                                 replyElement.removeClass("hidden");
  58                                 replyElement.removeClass("light");
  59                                 (function(replyElement) {
  60                                         replyElement.find("input.reply-input").blur(function() {
  61                                                 if ($(this).hasClass("default")) {
  62                                                         replyElement.addClass("light");
  63                                                 }
  64                                         }).focus(function() {
  65                                                 replyElement.removeClass("light");
  66                                         });
  67                                 })(replyElement);
  68                                 replyElement.find("input.reply-input").focus();
  69                         });
  70                         return commentElement;
  71                 })(postId);
  72                 $(this).find(".create-reply").addClass("hidden");
  73                 $(this).find(".status-line .time").each(function() {
  74                         $(this).after(commentElement.clone(true));
  75                 });
  76         });
  77 }
  78
  79 /**
  80  * Retrieves the translation for the given key and calls the callback function.
  81  * The callback function takes a single parameter, the translated string.
  82  *
  83  * @param key
  84  *            The key of the translation string
  85  * @param callback
  86  *            The callback function
  87  */
  88 function getTranslation(key, callback) {
  89         $.getJSON("ajax/getTranslation.ajax", {"key": key}, function(data, textStatus) {
  90                 callback(data.value);
  91         });
  92 }
  93
  94 /**
  95  * Fires off an AJAX request to retrieve the current status of a Sone.
  96  *
  97  * @param soneId
  98  *            The ID of the Sone
  99  */
 100 function getSoneStatus(soneId) {
 101         $.getJSON("ajax/getSoneStatus.ajax", {"sone": soneId}, function(data, textStatus) {
 102                 updateSoneStatus(soneId, data.name, data.status, data.modified, data.lastUpdated);
 103                 /* seconds! */
 104                 updateInterval = 60;
 105                 if (data.modified || (data.status == "downloading") || (data.status == "inserting")) {
 106                         updateInterval = 5;
 107                 }
 108                 setTimeout(function() {
 109                         getSoneStatus(soneId);
 110                 }, updateInterval * 1000);
 111         });
 112 }
 113
 114 /**
 115  * Updates the status of the given Sone.
 116  *
 117  * @param soneId
 118  *            The ID of the Sone to update
 119  * @param status
 120  *            The status of the Sone (“idle”, “unknown”, “inserting”,
 121  *            “downloading”)
 122  * @param modified
 123  *            Whether the Sone is modified
 124  * @param lastUpdated
 125  *            The date and time of the last update (formatted for display)
 126  */
 127 function updateSoneStatus(soneId, name, status, modified, lastUpdated) {
 128         $("#sone .sone." + soneId).
 129                 toggleClass("unknown", status == "unknown").
 130                 toggleClass("idle", status == "idle").
 131                 toggleClass("inserting", status == "inserting").
 132                 toggleClass("downloading", status == "downloading").
 133                 toggleClass("modified", modified);
 134         $("#sone .sone." + soneId + " .last-update span.time").text(lastUpdated);
 135         $("#sone .sone." + soneId + " .profile-link a").text(name);
 136 }
 137
 138 var watchedSones = {};
 139
 140 /**
 141  * Watches this Sone for updates to its status.
 142  *
 143  * @param soneId
 144  *            The ID of the Sone to watch
 145  */
 146 function watchSone(soneId) {
 147         if (watchedSones[soneId]) {
 148                 return;
 149         }
 150         watchedSones[soneId] = true;
 151         (function(soneId) {
 152                 setTimeout(function() {
 153                         getSoneStatus(soneId);
 154                 }, 5000);
 155         })(soneId);
 156 }
 157
 158 /**
 159  * Enhances a “delete” button so that the confirmation is done on the same page.
 160  *
 161  * @param buttonId
 162  *            The selector of the button
 163  * @param translationKey
 164  *            The translation key of the text to show on the button
 165  * @param deleteCallback
 166  *            The callback that actually deletes something
 167  */
 168 function enhanceDeleteButton(buttonId, translationKey, deleteCallback) {
 169         button = $(buttonId);
 170         (function(button) {
 171                 getTranslation(translationKey, function(translation) {
 172                         newButton = $("<button></button>").addClass("confirm").hide().text(translation).click(function() {
 173                                 $(this).fadeOut("slow");
 174                                 deleteCallback();
 175                                 return false;
 176                         }).insertAfter(button);
 177                         (function(button, newButton) {
 178                                 button.click(function() {
 179                                         button.fadeOut("slow", function() {
 180                                                 newButton.fadeIn("slow");
 181                                                 $(document).one("click", function() {
 182                                                         if (this != newButton.get(0)) {
 183                                                                 newButton.fadeOut(function() {
 184                                                                         button.fadeIn();
 185                                                                 });
 186                                                         }
 187                                                 });
 188                                         });
 189                                         return false;
 190                                 });
 191                         })(button, newButton);
 192                 });
 193         })(button);
 194 }
 195
 196 /**
 197  * Enhances a post’s “delete” button.
 198  *
 199  * @param buttonId
 200  *            The selector of the button
 201  * @param postId
 202  *            The ID of the post to delete
 203  */
 204 function enhanceDeletePostButton(buttonId, postId) {
 205         enhanceDeleteButton(buttonId, "WebInterface.Confirmation.DeletePostButton", function() {
 206                 $.getJSON("ajax/deletePost.ajax", { "post": postId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
 207                         if (data.success) {
 208                                 $("#sone .post#" + postId).slideUp();
 209                         } else if (data.error == "invalid-post-id") {
 210                                 alert("Invalid post ID given!");
 211                         } else if (data.error == "auth-required") {
 212                                 alert("You need to be logged in.");
 213                         } else if (data.error == "not-authorized") {
 214                                 alert("You are not allowed to delete this post.");
 215                         }
 216                 });
 217         });
 218 }
 219
 220 /**
 221  * Enhances a reply’s “delete” button.
 222  *
 223  * @param buttonId
 224  *            The selector of the button
 225  * @param replyId
 226  *            The ID of the reply to delete
 227  */
 228 function enhanceDeleteReplyButton(buttonId, replyId) {
 229         enhanceDeleteButton(buttonId, "WebInterface.Confirmation.DeleteReplyButton", function() {
 230                 $.getJSON("ajax/deleteReply.ajax", { "reply": replyId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
 231                         if (data.success) {
 232                                 $("#sone .reply#" + replyId).slideUp();
 233                         } else if (data.error == "invalid-reply-id") {
 234                                 alert("Invalid reply ID given!");
 235                         } else if (data.error == "auth-required") {
 236                                 alert("You need to be logged in.");
 237                         } else if (data.error == "not-authorized") {
 238                                 alert("You are not allowed to delete this reply.");
 239                         }
 240                 });
 241         });
 242 }
 243
 244 function getFormPassword() {
 245         return $("#sone #formPassword").text();
 246 }
 247
 248 function getSoneElement(element) {
 249         return $(element).parents(".sone");
 250 }
 251
 252 /**
 253  * Generates a list of Sones by concatening the names of the given sones with a
 254  * new line character (“\n”).
 255  *
 256  * @param sones
 257  *            The sones to format
 258  * @returns {String} The created string
 259  */
 260 function generateSoneList(sones) {
 261         var soneList = "";
 262         $.each(sones, function() {
 263                 if (soneList != "") {
 264                         soneList += "\n";
 265                 }
 266                 soneList += this.name;
 267         });
 268         return soneList;
 269 }
 270
 271 /**
 272  * Returns the ID of the Sone that this element belongs to.
 273  *
 274  * @param element
 275  *            The element to locate the matching Sone ID for
 276  * @returns The ID of the Sone, or undefined
 277  */
 278 function getSoneId(element) {
 279         return getSoneElement(element).find(".id").text();
 280 }
 281
 282 function getPostElement(element) {
 283         return $(element).parents(".post");
 284 }
 285
 286 function getPostId(element) {
 287         return getPostElement(element).attr("id");
 288 }
 289
 290 function getReplyElement(element) {
 291         return $(element).parents(".reply");
 292 }
 293
 294 function getReplyId(element) {
 295         return getReplyElement(element).attr("id");
 296 }
 297
 298 function likePost(postId) {
 299         $.getJSON("ajax/like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function() {
 300                 $("#sone .post#" + postId + " > .status-line .like").addClass("hidden");
 301                 $("#sone .post#" + postId + " > .status-line .unlike").removeClass("hidden");
 302                 updatePostLikes(postId);
 303         });
 304 }
 305
 306 function unlikePost(postId) {
 307         $.getJSON("ajax/unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function() {
 308                 $("#sone .post#" + postId + " > .status-line .unlike").addClass("hidden");
 309                 $("#sone .post#" + postId + " > .status-line .like").removeClass("hidden");
 310                 updatePostLikes(postId);
 311         });
 312 }
 313
 314 function updatePostLikes(postId) {
 315         $.getJSON("ajax/getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
 316                 if (data.success) {
 317                         $("#sone .post#" + postId + " > .status-line .likes").toggleClass("hidden", data.likes == 0)
 318                         $("#sone .post#" + postId + " > .status-line .likes span.like-count").text(data.likes);
 319                         $("#sone .post#" + postId + " > .status-line .likes > span").attr("title", generateSoneList(data.sones));
 320                 }
 321         });
 322 }
 323
 324 function likeReply(replyId) {
 325         $.getJSON("ajax/like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function() {
 326                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
 327                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
 328                 updateReplyLikes(replyId);
 329         });
 330 }
 331
 332 function unlikeReply(replyId) {
 333         $.getJSON("ajax/unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function() {
 334                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
 335                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
 336                 updateReplyLikes(replyId);
 337         });
 338 }
 339
 340 function updateReplyLikes(replyId) {
 341         $.getJSON("ajax/getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
 342                 if (data.success) {
 343                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0)
 344                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
 345                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
 346                 }
 347         });
 348 }