* [bug#59671,done,0.5h] unset sub menu when preview image.

module/file/control.php

@@ -146,6 +146,9 @@ class file extends control
             return print($this->view->error);
         }
 
+        /* Unset the menu. */
+        if(!empty($this->lang->{$this->app->tab}->menu)) $this->lang->{$this->app->tab}->menu = array();
+
         if(!$this->file->checkPriv($file))
         {
             if(isInModal()) return $this->send(array('result' => 'success', 'message' => $this->lang->file->accessDenied, 'closeModal' => true, 'load' => true));
@@ -164,6 +167,7 @@ class file extends control
         }
 
         /* If the mode is open, locate directly. */
+        $this->view->title    = $this->lang->file->previewFile;
         $this->view->file     = $file;
         $this->view->charset  = $this->get->charset ? $this->get->charset : $this->config->charset;
         $this->view->fileType = ($file->extension == 'txt') ? 'txt' : ($file->extension == 'mp4' ? 'video' : 'image');

module/file/ui/download.html.php

@@ -23,7 +23,7 @@ if(!empty($error))
 else
 {
     $fileContent = trim(file_get_contents($file->realPath));
-    $fromOld     = strpos($_SERVER['HTTP_REFERER'], 'ajaxIframeModal') !== false;
+    $fromOld     = !empty($_SERVER['HTTP_REFERER']) && strpos($_SERVER['HTTP_REFERER'], 'ajaxIframeModal') !== false;
     if($charset != $config->charset)
     {
         $fileContent = helper::convertEncoding($fileContent, $charset . "//IGNORE", $config->charset);