resolved #40

resources/views/filter_select.blade.php

@@ -1,11 +1,11 @@
-<span class="dropdown select2-filter" id="filter_select_user_id_span">
+<span class="dropdown select2-filter" id="filter_select_{{$column}}_span">
     <form action="{{$uri}}" pjax-container style="display: inline-block;">
         <a href="javascript:void(0);" class="dropdown-toggle " data-toggle="dropdown" aria-expanded="true">
             <i class="fa fa-filter"></i>
         </a>
         <ul class="dropdown-menu" role="menu" style="padding: 10px;box-shadow: 0 2px 3px 0 rgba(0,0,0,.2);left: -70px;border-radius: 0;">
             <li>
-                <select type="text" class="form-control input-sm column-filter-user-id" name="user_id" id="filter_select2_user_id" value="' . request()->get('user_id') . '" style="width: 100%" autocomplete="off"/>
+                <select type="text" class="form-control input-sm column-filter-{{$column}}" name="{{$column}}" id="filter_select2_{{$column}}" value="{{request()->get($column)}}" style="width: 100%" autocomplete="off"/>
             </li>
             <li class="divider">
             </li><li class="text-right">

src/Grid/Select2Filter.php

@@ -17,15 +17,13 @@ class Select2Filter extends AbstractDisplayer
      */
     public function display()
     {
-        Admin::js(assets('vendor/laravel-admin-ext/laravel-admin-select2/filter-select.js'), true, true);
-        Admin::script('window.select2_filter("' . $this->column->getName() . '")', true);
+        $arguments = func_get_args();
+        $column = $this->column->getName();
 
         if (isset($this->column->has_filter_select)) {
-            return '';
+            return $this->row->{$column};
         }
-        $arguments = func_get_args();
         $options = Arr::first($arguments);
-        $column = $this->column->getName();
 
         if (request()->get('_search_' . $column)) {
             $query = call_user_func($options, request()->input('keyword'));
@@ -35,9 +33,12 @@ public function display()
             //throw new HttpResponseException(response()->json($query->paginate()));
         }
 
-        $this->column->addHeader(view('laravel-admin-select2::filter_select', ['uri' => $this->getFormAction($column),]));
+        $this->column->addHeader(view('laravel-admin-select2::filter_select', ['column' => $column, 'uri' => $this->getFormAction($column),]));
         $this->column->has_filter_select = true;
-        return '';
+
+        Admin::js(assets('vendor/laravel-admin-ext/laravel-admin-select2/filter-select.js'), true, true);
+        Admin::script('window.select2_filter("' . $this->column->getName() . '")', true);
+        return $this->row->{$column};
     }
 
     /**