Merge pull request #68 from veksa/master

add check for closure in options

Author: unclead

README.md

@@ -101,7 +101,12 @@ or anonymous function which return array of items and has the following signatur
 function($data) {}
 ```
 
-**options** *array*: the HTML attributes for the input
+**options** *array*|*Closure*: the HTML attributes for the input, you can set it as array
+or an anonymous function with the following signature: 
+
+```php
+function($data) {}
+```
 
 **headerOptions** *array*: the HTML attributes for the header cell
 

src/components/BaseColumn.php

@@ -228,7 +228,13 @@ private function normalize($name) {
      */
     public function renderInput($name, $options)
     {
-        $options = Arrayhelper::merge($this->options, $options);
+        if ($this->options instanceof \Closure) {
+            $optionsExt = call_user_func($this->options, $this->getModel());
+        } else {
+            $optionsExt = $this->options;
+        }
+        
+        $options = Arrayhelper::merge($optionsExt, $options);
         $method = 'render' . Inflector::camelize($this->type);
         $value = $this->prepareValue();