(js) Dynamically load localizable strings

UI/Common/UIxPageFrame.m

@@ -28,6 +28,7 @@
 
 #import <SOGo/NSArray+Utilities.h>
 #import <SOGo/NSDictionary+Utilities.h>
+#import <SOGo/NSString+Utilities.h>
 #import <SOGo/SOGoUser.h>
 #import <SOGo/SOGoUserSettings.h>
 #import <SOGo/SOGoSystemDefaults.h>
@@ -213,8 +214,9 @@
 
 /* page based JavaScript */
 
-- (NSString *) _stringsForFramework: (NSString *) framework
+- (NSDictionary *) _stringsForFramework: (NSString *) framework
 {
+  NSDictionary *moreStrings;
   NSString *language, *frameworkName;
   NSMutableDictionary* strings;
   SOGoUserDefaults *ud;
@@ -235,10 +237,13 @@
 
   strings = [NSMutableDictionary dictionaryWithDictionary: table];
 
-  if (!framework)
+  if (framework)
+    {
+      moreStrings = [NSDictionary dictionaryWithObjectsAndKeys: [NSArray arrayWithObject: framework], @"_loadedFrameworks", nil];
+    }
+  else
     {
       // Add strings from Locale
-      NSDictionary *moreStrings;
 
       // AM/PM
       moreStrings = [NSDictionary dictionaryWithObjects: [locale objectForKey: NSAMPMDesignation]
@@ -253,16 +258,17 @@
       // Short month names
       moreStrings = [NSDictionary dictionaryWithObjects: [locale objectForKey: NSShortMonthNameArray]
                                                 forKeys: [UIxComponent abbrMonthLabelKeys]];
-      [strings addEntriesFromDictionary: moreStrings];
     }
+  [strings addEntriesFromDictionary: moreStrings];
 
   /* table is not really an NSDictionary but a hackish variation thereof */
-  return [strings jsonRepresentation];
+  return strings;
 }
 
 - (NSString *) commonLocalizableStrings
 {
-  return [NSString stringWithFormat: @"var clabels = %@;", [self _stringsForFramework: nil]];
+  return [NSString stringWithFormat: @"var clabels = %@;",
+                   [[self _stringsForFramework: nil] jsonRepresentation]];
 }
 
 - (NSString *) productLocalizableStrings
@@ -271,7 +277,32 @@
 
   frameworkName = [[context page] frameworkName];
 
-  return [NSString stringWithFormat: @"var labels = %@;", [self _stringsForFramework: frameworkName]];
+  return [NSString stringWithFormat: @"var labels = %@;",
+                   [[self _stringsForFramework: frameworkName] jsonRepresentation]];
+}
+
+- (WOResponse *) labelsAction
+{
+  WOResponse *response;
+  NSDictionary *params, *data;
+  NSString *frameworkName;
+
+  params = [[[context request] contentAsString] objectFromJSONString];
+  frameworkName = [params objectForKey: @"framework"];
+  if (frameworkName)
+    {
+      data = [NSDictionary dictionaryWithObject: [self _stringsForFramework: frameworkName]
+                                         forKey: @"labels"];
+      response = [self responseWithStatus: 200 andJSONRepresentation: data];
+    }
+  else
+    {
+      data = [NSDictionary dictionaryWithObject: @"Missing framework name"
+                                         forKey: @"message"];
+      response = [self responseWithStatus: 400 andJSONRepresentation: data];
+    }
+
+  return response;
 }
 
 - (NSString *) angularModule

UI/Common/product.plist

@@ -71,6 +71,15 @@
         };
       };
     };
+    SOGoUserFolder = {
+      methods = {
+        labels = {
+          protectedBy = "Access Contents Information";
+          pageName = "UIxPageFrame";
+          actionName  = "labels";
+        };
+      };
+    };
     SOGoParentFolder = {
       methods = {
         createFolder = {

UI/SOGoUI/UIxComponent.m

@@ -535,6 +535,11 @@ static SoProduct      *commonProduct      = nil;
 
 /* labels */
 
+- (NSString *) framework
+{
+  return [[context page] frameworkName];
+}
+
 - (NSString *) labelForKey: (NSString *) _str
 {
   WOResourceManager *rm;

UI/Templates/MailerUI/UIxMailEditor.wox

@@ -12,7 +12,8 @@
              nv-file-drop="nv-file-drop"
              nv-file-over="nv-file-over"
              over-class="sg-over-dropzone"
-             uploader="editor.uploader">
+             uploader="editor.uploader"
+             var:sg-labels="framework">
     <form name="messageForm">
       <md-toolbar>
         <div class="md-toolbar-tools">

UI/WebServerResources/js/Common/sgLabels.directive.js

@@ -0,0 +1,39 @@
+/* -*- Mode: javascript; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+
+(function() {
+  'use strict';
+
+  /*
+   * sgLabels - Load the localizable strings of the specified framework.
+   * @memberof SOGo.Common
+   * @restrict attribute
+   * @param {object} sgLabels - the framework name
+   * @ngInject
+   * @example:
+
+  <md-dialog sg-labels="MailerUI"><!-- .. --></md-dialog>
+  */
+  sgLabels.$inject = ['sgSettings', 'Resource', '$window'];
+  function sgLabels(Settings, Resource, $window) {
+    return {
+      restrict: 'A',
+      link: sgLabelsLink
+    };
+
+    function sgLabelsLink(scope, element, attrs) {
+      var framework = attrs.sgLabels;
+      var resource = new Resource(Settings.activeUser('folderURL'), Settings.activeUser());
+      if (!_.includes($window.labels._loadedFrameworks, framework)) {
+        resource.post('labels', null, { framework: framework }).then(function(data) {
+          var loadedFrameworks = $window.labels._loadedFrameworks;
+          angular.extend($window.labels, data.labels);
+          $window.labels._loadedFrameworks = _.concat($window.labels._loadedFrameworks, loadedFrameworks);
+        });
+      }
+    }
+  }
+
+  angular
+    .module('SOGo.Common')
+    .directive('sgLabels', sgLabels);
+})();