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

   1 /* Sone JavaScript functions. */
   2
   3 function registerInputTextareaSwap(inputSelector, defaultText, inputFieldName, optional) {
   4         $(inputSelector).each(function() {
   5                 textarea = $("<textarea name=\"" + inputFieldName + "\"></textarea>").blur(function() {
   6                         if ($(this).val() == "") {
   7                                 $(this).hide();
   8                                 inputField = $(this).data("inputField");
   9                                 inputField.show().removeAttr("disabled").addClass("default");
  10                                 (function(inputField) {
  11                                         getTranslation(defaultText, function(translation) {
  12                                                 inputField.val(translation);
  13                                         });
  14                                 })(inputField);
  15                         }
  16                 }).hide().data("inputField", $(this)).val($(this).val());
  17                 $(this).after(textarea);
  18                 (function(inputField, textarea) {
  19                         inputField.focus(function() {
  20                                 $(this).hide().attr("disabled", "disabled");
  21                                 textarea.show().focus();
  22                         });
  23                         if (inputField.val() == "") {
  24                                 inputField.addClass("default");
  25                                 (function(inputField) {
  26                                         getTranslation(defaultText, function(translation) {
  27                                                 inputField.val(translation);
  28                                         });
  29                                 })(inputField);
  30                         } else {
  31                                 inputField.hide().attr("disabled", "disabled");
  32                                 textarea.show();
  33                         }
  34                         $(inputField.get(0).form).submit(function() {
  35                                 if (!optional && (textarea.val() == "")) {
  36                                         return false;
  37                                 }
  38                         });
  39                 })($(this), textarea);
  40         });
  41 }
  42
  43 /* hide all the “create reply” forms until a link is clicked. */
  44 function addCommentLinks() {
  45         $("#sone .post").each(function() {
  46                 postId = $(this).attr("id");
  47                 commentElement = (function(postId) {
  48                         var commentElement = $("<div><span>Comment</span></div>").addClass("show-reply-form").click(function() {
  49                                 replyElement = $("#sone .post#" + postId + " .create-reply");
  50                                 replyElement.removeClass("hidden");
  51                                 replyElement.removeClass("light");
  52                                 (function(replyElement) {
  53                                         replyElement.find("input.reply-input").blur(function() {
  54                                                 if ($(this).hasClass("default")) {
  55                                                         replyElement.addClass("light");
  56                                                 }
  57                                         }).focus(function() {
  58                                                 replyElement.removeClass("light");
  59                                         });
  60                                 })(replyElement);
  61                                 replyElement.find("input.reply-input").focus();
  62                         });
  63                         return commentElement;
  64                 })(postId);
  65                 $(this).find(".create-reply").addClass("hidden");
  66                 $(this).find(".status-line .time").each(function() {
  67                         $(this).after(commentElement.clone(true));
  68                 });
  69         });
  70 }
  71
  72 /**
  73  * Retrieves the translation for the given key and calls the callback function.
  74  * The callback function takes a single parameter, the translated string.
  75  *
  76  * @param key
  77  *            The key of the translation string
  78  * @param callback
  79  *            The callback function
  80  */
  81 function getTranslation(key, callback) {
  82         $.getJSON("ajax/getTranslation.ajax", {"key": key}, function(data, textStatus) {
  83                 callback(data.value);
  84         });
  85 }
  86
  87 /**
  88  * Fires off an AJAX request to retrieve the current status of a Sone.
  89  *
  90  * @param soneId
  91  *            The ID of the Sone
  92  */
  93 function getSoneStatus(soneId) {
  94         $.getJSON("ajax/getSoneStatus.ajax", {"sone": soneId}, function(data, textStatus) {
  95                 updateSoneStatus(soneId, data.status, data.modified, data.lastUpdated);
  96                 /* seconds! */
  97                 updateInterval = 60;
  98                 if (data.age < 600) {
  99                         updateInterval = 5;
 100                 } else if (data.age < 86400) {
 101                         updateInterval = 30;
 102                 }
 103                 setTimeout(function() {
 104                         getSoneStatus(soneId);
 105                 }, updateInterval * 1000);
 106         });
 107 }
 108
 109 /**
 110  * Updates the status of the given Sone.
 111  *
 112  * @param soneId
 113  *            The ID of the Sone to update
 114  * @param status
 115  *            The status of the Sone (“idle”, “unknown”, “inserting”,
 116  *            “downloading”)
 117  * @param modified
 118  *            Whether the Sone is modified
 119  * @param lastUpdated
 120  *            The date and time of the last update (formatted for display)
 121  */
 122 function updateSoneStatus(soneId, status, modified, lastUpdated) {
 123         $("#sone .sone." + soneId).
 124                 toggleClass("unknown", status == "unknown").
 125                 toggleClass("idle", status == "idle").
 126                 toggleClass("inserting", status == "inserting").
 127                 toggleClass("downloading", status == "downloading").
 128                 toggleClass("modified", modified);
 129         $("#sone .sone." + soneId + " .last-update span.time").text(lastUpdated);
 130 }
 131
 132 var watchedSones = {};
 133
 134 /**
 135  * Watches this Sone for updates to its status.
 136  *
 137  * @param soneId
 138  *            The ID of the Sone to watch
 139  */
 140 function watchSone(soneId) {
 141         if (watchedSones[soneId]) {
 142                 return;
 143         }
 144         watchedSones[soneId] = true;
 145         (function(soneId) {
 146                 setTimeout(function() {
 147                         getSoneStatus(soneId);
 148                 }, 5000);
 149         })(soneId);
 150 }