i18n-light on 1.3.1

system/Extensions/TwigLanguageExtension.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Typemill\Extensions;
+
+use Typemill\Models\WriteYaml;
+
+class TwigLanguageExtension extends \Twig_Extension
+{
+  protected $labels;
+  
+  public function __construct($labels)
+	{
+		$this->labels = $labels;
+	}
+  
+  public function getFilters()
+  {
+    return [
+      new \Twig_SimpleFilter('__', [$this,'translate'] )
+    ];
+  }
+
+	public function getFunctions()
+	{
+		return [
+			new \Twig_SimpleFunction('__', array($this, 'translate' ))
+		];
+	}
+
+  public function translate( $label )
+	{
+    // replaces spaces, dots and dash with underscores 
+    $string = str_replace(" ", "_", $label);
+    $string = str_replace(".", "_", $string);
+    $string = str_replace("-", "_", $string);
+
+    // transforms to uppercase
+    $string = strtoupper( $string );
+
+    //translates the string
+    $translated_label = $this->labels[$string];
+
+    // if the string is not present, set the original string
+    if( empty($translated_label) ){
+      $translated_label = $label;
+    }
+
+    // returns the string in the set language
+    return $translated_label;
+
+	}
+
+}