added translation class

system/Translations.php

@@ -0,0 +1,89 @@
+<?php 
+
+namespace Typemill;
+
+class Translations
+{
+  public static function loadTranslations($environment)
+  {
+    define('DS', '/');
+    
+    $yaml = new Models\WriteYaml();
+    $settings = $yaml->getYaml('settings', 'settings.yaml');
+
+    if($settings === FALSE){
+      $language = \Typemill\Settings::whichLanguage();
+    } else {
+      $language = $settings['language'];
+    }
+
+    $theme = 'typemill';
+    if($settings !== NULL){
+      if(is_array($settings)){
+        if (array_key_exists('theme', $settings)) {
+          $theme = $settings['theme'];
+        }
+      }
+    }
+
+    // theme labels selected according to the environment: admin or user
+    $theme_labels = [];
+    $theme_language_folder = 'themes' . DS . $theme . DS . 'languages' . DS . $environment . DS;
+    $theme_language_file = $language . '.yaml';
+    if (file_exists($theme_language_folder . $theme_language_file))
+    {
+      $theme_labels = $yaml->getYaml($theme_language_folder, $theme_language_file);
+    }
+
+    $system_labels = [];
+    $plugins_labels = [];
+    if($environment=='admin'){
+      // system labels
+      $system_language_folder ='system' . DS . 'author' . DS . 'languages' . DS;
+      $system_language_file = $language . '.yaml';
+      if (file_exists($system_language_folder . $system_language_file))
+      {
+        $system_labels = $yaml->getYaml($system_language_folder, $system_language_file);
+      }
+
+      // Next change, to provide labels for the admin and user environments.
+      // There may be plugins that only work in the user environment,
+      // only in the admin environment, or in both environments.
+      $plugin_labels = [];
+      if($settings !== NULL){
+        if(is_array($settings)){
+          if (array_key_exists('plugins', $settings)) {
+            if($settings['plugins'] !== NULL) {
+              foreach($settings['plugins'] as $plugin => $config){
+                if($config['active']=='on'){
+                  $plugin_language_folder = 'plugins' . DS . $plugin . DS . 'languages' . DS;
+                  $plugin_language_file = $language . '.yaml';
+                  if (file_exists($plugin_language_folder . $plugin_language_file)){
+                    $plugin_labels[$plugin] = $yaml->getYaml($plugin_language_folder, $plugin_language_file);
+                  }
+                }
+              }
+              foreach($plugin_labels as $key => $value) {
+                $plugins_labels = array_merge($plugins_labels, $value);
+              }
+            }
+          }
+        }
+      }
+    }
+
+    $labels = [];
+    if(is_array($plugins_labels)){
+      $labels = array_merge($labels, $plugins_labels);
+    }
+    if(is_array($system_labels)){
+      $labels = array_merge($labels, $system_labels);
+    }
+    if(is_array($theme_labels)){
+      $labels = array_merge($labels, $theme_labels);
+    }
+
+    return $labels;
+  }
+
+}