Don’t add comment links when nobody is logged in.
[Sone.git] / src / main / resources / static / javascript / sone.js
index 6420e5b..9bb379c 100644 (file)
@@ -1,35 +1,54 @@
 /* Sone JavaScript functions. */
 
+function isOnline() {
+       return $("#sone").hasClass("online");
+}
+
 function registerInputTextareaSwap(inputSelector, defaultText, inputFieldName, optional) {
        $(inputSelector).each(function() {
                textarea = $("<textarea name=\"" + inputFieldName + "\"></textarea>").blur(function() {
                        if ($(this).val() == "") {
                                $(this).hide();
-                               $(this).data("inputField").show().removeAttr("disabled");
+                               inputField = $(this).data("inputField");
+                               inputField.show().removeAttr("disabled").addClass("default");
+                               (function(inputField) {
+                                       getTranslation(defaultText, function(translation) {
+                                               inputField.val(translation);
+                                       });
+                               })(inputField);
                        }
-               }).hide().data("inputField", $(this));
+               }).hide().data("inputField", $(this)).val($(this).val());
                $(this).after(textarea);
                (function(inputField, textarea) {
-                       $(inputField).focus(function() {
+                       inputField.focus(function() {
                                $(this).hide().attr("disabled", "disabled");
                                textarea.show().focus();
-                       }).addClass("default");
-                       (function(inputField) {
-                               $.getJSON("ajax/getTranslation.ajax", {"key": defaultText}, function(data, textStatus) {
-                                       $(inputField).val(data.value);
-                               });
-                       })(inputField);
-                       $(inputField.form).submit(function() {
+                       });
+                       if (inputField.val() == "") {
+                               inputField.addClass("default");
+                               (function(inputField) {
+                                       getTranslation(defaultText, function(translation) {
+                                               inputField.val(translation);
+                                       });
+                               })(inputField);
+                       } else {
+                               inputField.hide().attr("disabled", "disabled");
+                               textarea.show();
+                       }
+                       $(inputField.get(0).form).submit(function() {
                                if (!optional && (textarea.val() == "")) {
                                        return false;
                                }
                        });
-               })(this, textarea);
+               })($(this), textarea);
        });
 }
 
 /* hide all the “create reply” forms until a link is clicked. */
 function addCommentLinks() {
+       if (!isOnline()) {
+               return;
+       }
        $("#sone .post").each(function() {
                postId = $(this).attr("id");
                commentElement = (function(postId) {
@@ -58,6 +77,21 @@ function addCommentLinks() {
 }
 
 /**
+ * Retrieves the translation for the given key and calls the callback function.
+ * The callback function takes a single parameter, the translated string.
+ *
+ * @param key
+ *            The key of the translation string
+ * @param callback
+ *            The callback function
+ */
+function getTranslation(key, callback) {
+       $.getJSON("ajax/getTranslation.ajax", {"key": key}, function(data, textStatus) {
+               callback(data.value);
+       });
+}
+
+/**
  * Fires off an AJAX request to retrieve the current status of a Sone.
  *
  * @param soneId
@@ -68,10 +102,8 @@ function getSoneStatus(soneId) {
                updateSoneStatus(soneId, data.status, data.modified, data.lastUpdated);
                /* seconds! */
                updateInterval = 60;
-               if (data.age < 600) {
+               if (data.modified || (data.status == "downloading") || (data.status == "inserting")) {
                        updateInterval = 5;
-               } else if (data.age < 86400) {
-                       updateInterval = 30;
                }
                setTimeout(function() {
                        getSoneStatus(soneId);
@@ -93,13 +125,13 @@ function getSoneStatus(soneId) {
  *            The date and time of the last update (formatted for display)
  */
 function updateSoneStatus(soneId, status, modified, lastUpdated) {
-       $("#sone .sone#" + soneId).
+       $("#sone .sone." + soneId).
                toggleClass("unknown", status == "unknown").
                toggleClass("idle", status == "idle").
                toggleClass("inserting", status == "inserting").
                toggleClass("downloading", status == "downloading").
                toggleClass("modified", modified);
-       $("#sone .sone#" + soneId + " .last-update span.time").text(lastUpdated);
+       $("#sone .sone." + soneId + " .last-update span.time").text(lastUpdated);
 }
 
 var watchedSones = {};
@@ -121,3 +153,140 @@ function watchSone(soneId) {
                }, 5000);
        })(soneId);
 }
+
+/**
+ * Enhances a “delete” button so that the confirmation is done on the same page.
+ *
+ * @param buttonId
+ *            The selector of the button
+ * @param translationKey
+ *            The translation key of the text to show on the button
+ * @param deleteCallback
+ *            The callback that actually deletes something
+ */
+function enhanceDeleteButton(buttonId, translationKey, deleteCallback) {
+       button = $(buttonId);
+       (function(button) {
+               getTranslation(translationKey, function(translation) {
+                       newButton = $("<button></button>").addClass("confirm").hide().text(translation).click(function() {
+                               $(this).fadeOut("slow");
+                               deleteCallback();
+                               return false;
+                       }).insertAfter(button);
+                       (function(button, newButton) {
+                               button.click(function() {
+                                       button.fadeOut("slow", function() {
+                                               newButton.fadeIn("slow");
+                                               $(document).one("click", function() {
+                                                       if (this != newButton.get(0)) {
+                                                               newButton.fadeOut(function() {
+                                                                       button.fadeIn();
+                                                               });
+                                                       }
+                                               });
+                                       });
+                                       return false;
+                               });
+                       })(button, newButton);
+               });
+       })(button);
+}
+
+/**
+ * Enhances a post’s “delete” button.
+ *
+ * @param buttonId
+ *            The selector of the button
+ * @param postId
+ *            The ID of the post to delete
+ */
+function enhanceDeletePostButton(buttonId, postId) {
+       enhanceDeleteButton(buttonId, "WebInterface.Confirmation.DeletePostButton", function() {
+               $.getJSON("ajax/deletePost.ajax", { "post": postId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
+                       if (data.success) {
+                               $("#sone .post#" + postId).slideUp();
+                       } else if (data.error == "invalid-post-id") {
+                               alert("Invalid post ID given!");
+                       } else if (data.error == "auth-required") {
+                               alert("You need to be logged in.");
+                       } else if (data.error == "not-authorized") {
+                               alert("You are not allowed to delete this post.");
+                       }
+               });
+       });
+}
+
+/**
+ * Enhances a reply’s “delete” button.
+ *
+ * @param buttonId
+ *            The selector of the button
+ * @param replyId
+ *            The ID of the reply to delete
+ */
+function enhanceDeleteReplyButton(buttonId, replyId) {
+       enhanceDeleteButton(buttonId, "WebInterface.Confirmation.DeleteReplyButton", function() {
+               $.getJSON("ajax/deleteReply.ajax", { "reply": replyId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
+                       if (data.success) {
+                               $("#sone .reply#" + replyId).slideUp();
+                       } else if (data.error == "invalid-reply-id") {
+                               alert("Invalid reply ID given!");
+                       } else if (data.error == "auth-required") {
+                               alert("You need to be logged in.");
+                       } else if (data.error == "not-authorized") {
+                               alert("You are not allowed to delete this reply.");
+                       }
+               });
+       });
+}
+
+function getFormPassword() {
+       return $("#sone #formPassword").text();
+}
+
+function getSoneElement(element) {
+       return $(element).parents(".sone");
+}
+
+/**
+ * Returns the ID of the Sone that this element belongs to.
+ *
+ * @param element
+ *            The element to locate the matching Sone ID for
+ * @returns The ID of the Sone, or undefined
+ */
+function getSoneId(element) {
+       return getSoneElement(element).find(".id").text();
+}
+
+function getPostElement(element) {
+       return $(element).parents(".post");
+}
+
+function getPostId(element) {
+       return getPostElement(element).attr("id");
+}
+
+function likePost(postId) {
+       $.getJSON("ajax/likePost.ajax", { "post" : postId, "formPassword": getFormPassword() }, function() {
+               $("#sone .post#" + postId + " > .status-line .like").addClass("hidden");
+               $("#sone .post#" + postId + " > .status-line .unlike").removeClass("hidden");
+               updatePostLikes(postId);
+       });
+}
+
+function unlikePost(postId) {
+       $.getJSON("ajax/unlikePost.ajax", { "post" : postId, "formPassword": getFormPassword() }, function() {
+               $("#sone .post#" + postId + " > .status-line .unlike").addClass("hidden");
+               $("#sone .post#" + postId + " > .status-line .like").removeClass("hidden");
+               updatePostLikes(postId);
+       });
+}
+
+function updatePostLikes(postId) {
+       $.getJSON("ajax/getPostLikes.ajax", { "post": postId }, function(data, textStatus) {
+               if (data.success) {
+                       $("#sone .post#" + postId + " > .status-line .likes span.like-count").text(data.likes);
+               }
+       });
+}