Merge 1.1.0 changes back to master.

guacamole-ext/src/main/java/org/apache/guacamole/form/Field.java

@@ -91,6 +91,14 @@ public class Field {
          */
         public static String TIMEZONE = "TIMEZONE";
 
+        /**
+         * Field type which allows selection of languages. The languages
+         * displayed are the set of languages supported by the Guacamole web
+         * application. Legal values are valid language IDs, as dictated by
+         * the filenames of Guacamole's available translations.
+         */
+        public static String LANGUAGE = "LANGUAGE";
+
         /**
          * A date field whose legal values conform to the pattern "YYYY-MM-DD",
          * zero-padded.

guacamole-ext/src/main/java/org/apache/guacamole/form/LanguageField.java

@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.guacamole.form;
+
+/**
+ * Represents a language field. The field may contain only valid language
+ * identifiers as used by the Guacamole web application for its translations.
+ * Language identifiers are defined by the filenames of the JSON files
+ * containing the translation.
+ */
+public class LanguageField extends Field {
+
+    /**
+     * Creates a new LanguageField with the given name.
+     *
+     * @param name
+     *     The unique name to associate with this field.
+     */
+    public LanguageField(String name) {
+        super(name, Field.Type.LANGUAGE);
+    }
+
+    /**
+     * Parses the given string into a language ID string. As any string may be
+     * a valid language ID as long as it has a corresponding translation, the
+     * only transformation currently performed by this function is to ensure
+     * that a blank language string is parsed into null.
+     *
+     * @param language
+     *     The language string to parse, which may be null.
+     *
+     * @return
+     *     The ID of the language corresponding to the given string, or null if
+     *     if the given language string was null or blank.
+     */
+    public static String parse(String language) {
+
+        // Return null if no language is provided
+        if (language == null || language.isEmpty())
+            return null;
+
+        // Otherwise, assume language is already a valid language ID
+        return language;
+
+    }
+
+}

guacamole/src/main/webapp/app/form/controllers/languageFieldController.js

@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+
+/**
+ * Controller for the language field type. The language field type allows the
+ * user to select a language from the set of languages supported by the
+ * Guacamole web application.
+ */
+angular.module('form').controller('languageFieldController', ['$scope', '$injector',
+    function languageFieldController($scope, $injector) {
+
+    // Required services
+    var languageService = $injector.get('languageService');
+    var requestService  = $injector.get('requestService');
+
+    /**
+     * A map of all available language keys to their human-readable
+     * names.
+     *
+     * @type Object.<String, String>
+     */
+    $scope.languages = null;
+
+    // Retrieve defined languages
+    languageService.getLanguages().then(function languagesRetrieved(languages) {
+        $scope.$apply(function updateLanguageOptions() {
+            $scope.languages = languages;
+        });
+    }, requestService.DIE);
+
+    // Interpret undefined/null as empty string
+    $scope.$watch('model', function setModel(model) {
+        if (!model && model !== '')
+            $scope.model = '';
+    });
+
+}]);

guacamole/src/main/webapp/app/form/formModule.js

@@ -20,4 +20,7 @@
 /**
  * Module for displaying dynamic forms.
  */
-angular.module('form', ['locale']);
+angular.module('form', [
+    'locale',
+    'rest'
+]);

guacamole/src/main/webapp/app/form/services/formService.js

@@ -130,6 +130,21 @@ angular.module('form').provider('formService', function formServiceProvider() {
             templateUrl : 'app/form/templates/textAreaField.html'
         },
 
+        /**
+         * Field type which allows selection of languages. The languages
+         * displayed are the set of languages supported by the Guacamole web
+         * application. Legal values are valid language IDs, as dictated by
+         * the filenames of Guacamole's available translations.
+         *
+         * @see {@link Field.Type.LANGUAGE}
+         * @type FieldType
+         */
+        'LANGUAGE' : {
+            module      : 'form',
+            controller  : 'languageFieldController',
+            templateUrl : 'app/form/templates/languageField.html'
+        },
+
         /**
          * Field type which allows selection of time zones.
          *

guacamole/src/main/webapp/app/form/templates/languageField.html

@@ -0,0 +1 @@
+<select ng-model="model" ng-options="language.key as language.value for language in languages | toArray | orderBy: key"></select>

guacamole/src/main/webapp/app/settings/directives/guacSettingsPreferences.js

@@ -39,7 +39,6 @@ angular.module('settings').directive('guacSettingsPreferences', [function guacSe
             var $translate            = $injector.get('$translate');
             var authenticationService = $injector.get('authenticationService');
             var guacNotification      = $injector.get('guacNotification');
-            var languageService       = $injector.get('languageService');
             var permissionService     = $injector.get('permissionService');
             var preferenceService     = $injector.get('preferenceService');
             var requestService        = $injector.get('requestService');
@@ -80,19 +79,21 @@ angular.module('settings').directive('guacSettingsPreferences', [function guacSe
             $scope.preferences = preferenceService.preferences;
 
             /**
-             * A map of all available language keys to their human-readable
-             * names.
+             * The fields which should be displayed for choosing locale
+             * preferences. Each field name must be a property on
+             * $scope.preferences.
              *
-             * @type Object.<String, String>
+             * @type Field[]
              */
-            $scope.languages = null;
+            $scope.localeFields = [
+                { 'type' : 'LANGUAGE', 'name' : 'language' },
+                { 'type' : 'TIMEZONE', 'name' : 'timezone' }
+            ];
 
-            /**
-             * Switches the active display langugae to the chosen language.
-             */
-            $scope.changeLanguage = function changeLanguage() {
-                $translate.use($scope.preferences.language);
-            };
+            // Automatically update applied translation when language preference is changed
+            $scope.$watch('preferences.language', function changeLanguage(language) {
+                $translate.use(language);
+            });
 
             /**
              * The new password for the user.
@@ -169,17 +170,6 @@ angular.module('settings').directive('guacSettingsPreferences', [function guacSe
                 
             };
 
-            // Retrieve defined languages
-            languageService.getLanguages()
-            .then(function languagesRetrieved(languages) {
-                $scope.languages = Object.keys(languages).map(function(key) {
-                    return {
-                        key: key,
-                        value: languages[key]
-                    };
-                });
-            }, requestService.DIE);
-
             // Retrieve current permissions
             permissionService.getEffectivePermissions(dataSource, username)
             .then(function permissionsRetrieved(permissions) {

guacamole/src/main/webapp/app/settings/styles/preferences.css

@@ -17,8 +17,23 @@
  * under the License.
  */
 
-.preferences .update-password .form, 
-.preferences .locale .form {
+.preferences .form .fields {
+    display: table;
     padding-left: 0.5em;
-    border-left: 3px solid rgba(0, 0, 0, 0.125);
+    border-left: 3px solid rgba(0,0,0,0.125);
+}
+
+.preferences .form .fields .labeled-field {
+    display: table-row;
+}
+
+.preferences .form .fields .field-header,
+.preferences .form .fields .form-field {
+    display: table-cell;
+    padding: 0.125em;
+    vertical-align: top;
+}
+
+.preferences .form .fields .field-header {
+    padding-right: 1em;
 }

guacamole/src/main/webapp/app/settings/templates/settingsPreferences.html

@@ -3,25 +3,7 @@
     <!-- Locale settings -->
     <div class="settings section locale">
         <p>{{'SETTINGS_PREFERENCES.HELP_LOCALE' | translate}}</p>
-
-        <!-- Language selection -->
-        <div class="form">
-            <table class="fields">
-                <tr>
-                    <th>{{'SETTINGS_PREFERENCES.FIELD_HEADER_LANGUAGE' | translate}}</th>
-                    <td><select ng-model="preferences.language" ng-change="changeLanguage()" ng-options="language.key as language.value for language in languages | orderBy: key"></select></td>
-                </tr>
-            </table>
-        </div>
-        
-        <!-- Timezone selection -->
-        <div class="form">
-            <guac-form-field
-                field="{ 'type' : 'TIMEZONE', 'name' : 'timezone' }"
-                model="preferences.timezone"
-                namespace="'SETTINGS_PREFERENCES'">
-            </guac-form-field>
-        </div>
+        <guac-form content="localeFields" model="preferences" namespace="'SETTINGS_PREFERENCES'"></guac-form>
     </div>
     
     <!-- Password update -->