add 'thumbWithClass' tag for classified thumb styles

Author: mr5

Module.php

@@ -22,6 +22,9 @@ public static function registerGlobalEventListeners()
 
     public static function registerGlobalViewHelpers()
     {
+        return array(
+            'thumbWithClass' => 'Eva\EvaFileSystem\ViewHelpers\ThumbWithClass'
+        );
     }
 
     public static function registerGlobalRelations()

config/config.php

@@ -13,6 +13,7 @@
             'allowExtensions' => 'jpg,png,jpeg,gif,rar,zip,7z,gz,doc,xls,docx,xlsx,ppt,pptx,pdf,mp3,mp4,wma',
             'minFileSize' => 1,
             'maxFileSize' => 1048576 * 20, //20MB
+            'thumbClassSeparator'=>'!'
         ),
     ),
 );

src/EvaFileSystem/ViewHelpers/ThumbWithClass.php

@@ -0,0 +1,24 @@
+<?php
+namespace Eva\EvaFileSystem\ViewHelpers;
+
+// +----------------------------------------------------------------------
+// | [wallstreetcn]
+// +----------------------------------------------------------------------
+// | Author: Mr.5 <mr5.simple@gmail.com>
+// +----------------------------------------------------------------------
+// + Datetime: 14-9-24 15:43
+// +----------------------------------------------------------------------
+// + ThumbWithClass.php
+// +----------------------------------------------------------------------
+
+use Eva\EvaFileSystem\Entities\Files;
+
+class ThumbWithClass extends Files
+{
+    public function __invoke($filename, $class)
+    {
+        $config = $this->getConfig();
+        $classSeparator = $config->thumbClassSeparator ? $config->thumbClassSeparator : '!';
+        return $filename . $classSeparator . $class;
+    }
+}