add settings option for language

lib/l10n.php

@@ -198,19 +198,7 @@ class OC_L10N{
 			$available = $app;
 		}
 		else{
-			$dir = self::findI18nDir( $app );
-			if( file_exists($dir)){
-				$dh = opendir($dir);
-				while(( $file = readdir( $dh )) !== false ){
-					if( substr( $file, -4, 4 ) == '.php' ){
-						$i = substr( $file, 0, -4 );
-						if( $i != '' ){
-							$available[] = $i;
-						}
-					}
-				}
-				closedir($dh);
-			}
+			$available=self::findAvailableLanguages( $app );
 		}
 		if( isset($_SESSION['user_id']) && $_SESSION['user_id'] && OC_PREFERENCES::getValue( $_SESSION['user_id'], 'core', 'lang' )){
 			$lang = OC_PREFERENCES::getValue( $_SESSION['user_id'], 'core', 'lang' );
@@ -255,4 +243,27 @@ class OC_L10N{
 		}
 		return $i18ndir;
 	}
+
+	/**
+	 * @brief find all available languages for an app
+	 * @param $app App that needs to be translated
+	 * @returns array an array of available languages
+	 */
+	public static function findAvailableLanguages( $app=null ){
+		$available=array('en');//english is always available
+		$dir = self::findI18nDir( $app );
+		if( file_exists($dir)){
+			$dh = opendir($dir);
+			while(( $file = readdir( $dh )) !== false ){
+				if( substr( $file, -4, 4 ) == '.php' and strlen($file)==6 ){
+					$i = substr( $file, 0, -4 );
+					if( $i != '' ){
+						$available[] = $i;
+					}
+				}
+			}
+			closedir($dh);
+		}
+		return $available;
+	}
 }
\ No newline at end of file

settings/ajax/setlanguage.php

+<?php
+
+// Init owncloud
+require_once('../../lib/base.php');
+
+// We send json data
+header( "Content-Type: application/jsonrequest" );
+
+// Check if we are a user
+if( !OC_USER::isLoggedIn()){
+	echo json_encode( array( "status" => "error", "data" => array( "message" => "Authentication error" )));
+	exit();
+}
+
+// Get data
+if( isset( $_POST['lang'] ) ){
+	$lang=$_POST['lang'];
+	OC_PREFERENCES::setValue( $_SESSION['user_id'], 'core', 'lang', $lang );
+	echo json_encode( array( "status" => "success", "data" => array( "message" => "Language changed" )));
+}else{
+	echo json_encode( array( "status" => "error", "data" => array( "message" => "Invalid request" )));
+}
+
+?>

settings/index.php

@@ -18,11 +18,18 @@ $free=OC_FILESYSTEM::free_space();
 $total=$free+$used;
 $relative=round(($used/$total)*100);
 
+$lang=OC_PREFERENCES::getValue( $_SESSION['user_id'], 'core', 'lang', 'en' );
+$languages=OC_L10N::findAvailableLanguages();
+//put the current language in the front
+unset($languages[array_search($lang,$languages)]);
+array_unshift($languages,$lang);
+
 // Return template
 $tmpl = new OC_TEMPLATE( "settings", "index", "admin");
 $tmpl->assign('usage',OC_HELPER::humanFileSize($used));
 $tmpl->assign('total_space',OC_HELPER::humanFileSize($total));
 $tmpl->assign('usage_relative',$relative);
+$tmpl->assign('languages',$languages);
 $tmpl->printPage();
 
 ?>

settings/js/main.js

@@ -18,4 +18,18 @@ $(document).ready(function(){
 		});
 		return false;
 	});
+
+	$("#languageinput").change( function(){
+		// Serialize the data
+		var post = $( "#languageinput" ).serialize();
+		// Ajax foo
+		$.post( 'ajax/setlanguage.php', post, function(data){
+			if( data.status == "success" ){
+			}
+			else{
+				$('#passworderror').html( data.data.message );
+			}
+		});
+		return false;
+	});
 } );

settings/templates/index.php

@@ -8,23 +8,35 @@
 
 <form id="passwordform">
 	<fieldset>
-	<legend>Change Password</legend>
-	<div id="passwordchanged">You're password got changed</div>
-	<div id="passworderror"></div>
-	<p>
-		<label for="pass1">Old password:</label>
-		<input type="password" id="pass1" name="oldpassword" />
-	</p>
-	<p>
-		<label for="pass2">New password :</label>
-		<input type="password" id="pass2" name="password" />
-	</p>
-	<p>
-		<input type="checkbox" id="show" name="show" />
-		<label for="show">Show new password</label>
-	</p>
-	<p class="form_footer">
-		<input id="passwordbutton" class="prettybutton" type="submit" value="Save" />
-	</p>
+		<legend>Change Password</legend>
+		<div id="passwordchanged">You're password got changed</div>
+		<div id="passworderror"></div>
+		<p>
+			<label for="pass1">Old password:</label>
+			<input type="password" id="pass1" name="oldpassword" />
+		</p>
+		<p>
+			<label for="pass2">New password :</label>
+			<input type="password" id="pass2" name="password" />
+		</p>
+		<p>
+			<input type="checkbox" id="show" name="show" />
+			<label for="show">Show new password</label>
+		</p>
+		<p class="form_footer">
+			<input id="passwordbutton" class="prettybutton" type="submit" value="Save" />
+		</p>
+	</fieldset>
+</form>
+
+<form id="languageform">
+	<fieldset>
+		<legend>Language</legend>
+		<label for=''></label>
+		<select id="languageinput" name='lang'>
+			<?php foreach($_['languages'] as $language):?>
+				<option value='<?php echo $language;?>'><?php echo $language;?></option>
+			<?php endforeach;?>
+		</select>
 	</fieldset>
 </form>