improved language detection using browser information; set the language directly in more places

previously one had to reload to get the language correct, now it should be correct right away.
We also read out the browser request for a language now.

1 files changed, 19 insertions, 24 deletions

diff --git a/index.php b/index.php
index bbdfeb2..2a55ed8 100644
--- a/index.php
+++ b/index.php
@@ -51,33 +51,28 @@ if($DBopen<0)
     exit();
   }
 
-/* localization */
+/**** localization ****/
 /* needs to be in front of output_header, but we don't know the users preferences at this time,
  * so we go by the session variable or if language is set
  */
-if(myisset('language') || isset($_SESSION['language']))
-  {
-    $language = 'en';
-
-    if(myisset('language'))
-      $language = $_REQUEST['language'];
-    else if(isset($_SESSION['language']))
-      $language = $_SESSION['language'];
-
-    switch($language)
-      {
-      case 'de':
-	putenv("LC_ALL=de_DE");
-	setlocale(LC_ALL, "de_DE");
-	// Specify location of translation tables
-	bindtextdomain("edoko", "./locale");
-	// Choose domain
-	textdomain("edoko");
-	break;
-      default:
-	/* do nothing */
-      }
-  }
+/* set default */
+$language =  detectlanguage();
+
+/* check if default in array of supported languages, else default to english */
+$supported_languages = array ('en','de');
+
+if ( !in_array($language, $supported_languages) )
+   $language = 'en';
+
+/* override with explicit request from user */
+if(myisset('language'))
+  $language = $_REQUEST['language'];
+else if(isset($_SESSION['language']))
+  $language = $_SESSION['language'];
+
+/* set it */
+set_language($language);
+/**** end language ****/
 
 /* done major error checking, output header of HTML page */
 output_header();