fixes #4361

public/src/admin/manage/categories.js

@@ -152,6 +152,22 @@ define('admin/manage/categories', ['vendor/jquery/serializeObject/jquery.ba-seri
 	 * @param parentId {number} parent category identifier
 	 */
 	function renderList(categories, container, parentId){
+		// Translate category names if needed
+		var count = 0;
+		categories.forEach(function(category, idx, parent) {
+			translator.translate(category.name, function(translated) {
+				if (category.name !== translated) {
+					category.name = translated;
+				}
+				++count;
+
+				if (count === parent.length) {
+					continueRender();
+				}
+			});
+		});
+
+		function continueRender() {
 			templates.parse('admin/partials/categories/category-rows', {
 				cid: parentId,
 				categories: categories
@@ -175,6 +191,7 @@ define('admin/manage/categories', ['vendor/jquery/serializeObject/jquery.ba-seri
 				});
 			});
 		}
+	}
 
 	return Categories;
 });

public/src/admin/manage/category.js

@@ -155,6 +155,12 @@ define('admin/manage/category', [
 		} else {
 			$('a[href="#analytics"]').on('shown.bs.tab', Category.setupGraphs);
 		}
+
+		// Fix the input field for the category name, as it can contain a translation key
+		var nameInput = $('#cid-' + ajaxify.data.cid + '-name');
+		if (ajaxify.data.category.name !== nameInput.val()) {
+			$('#cid-' + ajaxify.data.category.cid + '-name').val(ajaxify.data.category.name);
+		}
 	};
 
 	Category.setupPrivilegeTable = function() {

src/categories/update.js

@@ -4,6 +4,7 @@
 var async = require('async'),
 	db = require('../database'),
 	utils = require('../../public/src/utils'),
+	translator = require('../../public/src/modules/translator'),
 	plugins = require('../plugins');
 
 module.exports = function(Categories) {
@@ -27,7 +28,9 @@ module.exports = function(Categories) {
 
 
 			if (modifiedFields.hasOwnProperty('name')) {
-				modifiedFields.slug = cid + '/' + utils.slugify(modifiedFields.name);
+				translator.translate(modifiedFields.name, function(translated) {
+					modifiedFields.slug = cid + '/' + utils.slugify(translated);
+				});
 			}
 
 			plugins.fireHook('filter:category.update', {category: modifiedFields}, function(err, categoryData) {