Merging the Limesurvey 1.91+ branch of queXS in to the trunk

include/limesurvey/admin/translate_google_api.php

@@ -0,0 +1,58 @@
+<?php
+/*
+ * translate_google_api.php
+ * Creates a JSON interface for the auto-translate feature
+ */
+include_once("login_check.php");
+header('Content-type: application/json');
+include_once('classes/gtranslate/GTranslate.php');
+$sBaselang   = $_REQUEST['baselang'];
+$sTolang     = $_REQUEST['tolang'];
+$sToconvert  = $_REQUEST['text'];
+
+$aSearch     = array('zh-Hans','zh-Hant-HK','zh-Hant-TW',
+                     'nl-informal','de-informal','it-formal','pt-BR','es-MX','nb','nn');
+$aReplace    = array('zh-CN','zh-TW','zh-TW','nl','de','it','pt','es','no','no');
+
+$sTolang  = str_replace($aSearch,$aReplace,$sTolang);
+
+try {
+    
+    $objGt         = new Gtranslate;
+    // Gtranslate requires you to run function named XXLANG_to_XXLANG
+    $sProcedure       = $sBaselang."_to_".$sTolang;
+
+    // Replace {TEXT} with <TEXT>. Text within <> act as a placeholder and are
+    // not translated by Google Translate
+    $sToNewconvert  = preg_replace("/\{(\w+)\}/", "<$1>",$sToconvert);
+    $bDoNotConvertBack = false;
+    if ($sToNewconvert == $sToconvert)
+        $bDoNotConvertBack = true;
+    $sToconvert = $sToNewconvert;
+    $sConverted  = $objGt->$sProcedure($sToconvert);
+    $sConverted  = str_replace("<br>","\r\n",$sConverted);
+    if (!$bDoNotConvertBack)
+        $sConverted  = preg_replace("/\<(\w+)\>/", '{$1}',$sConverted);
+    $sConverted  = html_entity_decode(stripcslashes($sConverted));
+
+    $aOutput = array(
+        'error'     =>  false,
+        'baselang'  =>  $sBaselang,
+        'tolang'    =>  $sTolang,
+        'converted' =>  $sConverted
+    );
+    
+}   catch (GTranslateException $ge){
+
+    // Get the error message and build the ouput array
+    $sError  = $ge->getMessage();
+    $aOutput = array(
+        'error'     =>  true,
+        'baselang'  =>  $sBaselang,
+        'tolang'    =>  $sTolang,
+        'error'     =>  $sError
+    );
+
+}
+
+$ajaxoutput = json_encode($aOutput). "\n";