fix bug with preview

Author: streamtw

public/js/script.js

@@ -122,8 +122,8 @@ $('#multi_selection_toggle').click(function () {
   multi_selection_enabled = !multi_selection_enabled;
 
   $('#multi_selection_toggle i')
-    .toggleClass('fa-check-square', multi_selection_enabled)
-    .toggleClass('fa-square', !multi_selection_enabled);
+    .toggleClass('fa-ban', multi_selection_enabled)
+    .toggleClass('fa-check-double', !multi_selection_enabled);
 
   if (!multi_selection_enabled) {
     clearSelected();
@@ -199,7 +199,8 @@ $(document).on('dblclick', '#content a', function (e) {
 });
 
 function getOneSelectedElement(orderOfItem) {
-  return items[orderOfItem || selected[0]];
+  var index = orderOfItem !== undefined ? orderOfItem : selected[0];
+  return items[index];
 }
 
 function getSelectedItems() {

src/views/index.blade.php

@@ -15,7 +15,7 @@
   <title>{{ trans('laravel-filemanager::lfm.title-page') }}</title>
   <link rel="shortcut icon" type="image/png" href="{{ asset('vendor/laravel-filemanager/img/72px color.png') }}">
   <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
-  <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.0.10/css/all.css">
+  <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.5.0/css/all.css">
   <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/jqueryui/1.11.2/jquery-ui.min.css">
   <link rel="stylesheet" href="{{ asset('vendor/laravel-filemanager/css/cropper.min.css') }}">
   <link rel="stylesheet" href="{{ asset('vendor/laravel-filemanager/css/dropzone.min.css') }}">
@@ -42,7 +42,7 @@
       <ul class="navbar-nav ml-auto">
         <li class="nav-item">
           <a class="nav-link" id="multi_selection_toggle">
-            <i class="fa fa-square fa-fw"></i>
+            <i class="fa fa-check-double fa-fw"></i>
             <span>{{ trans('laravel-filemanager::lfm.menu-multiple') }}</span>
           </a>
         </li>