Added a theme selector to the new config page

app/Helpers/ConfigHelper.php

@@ -16,6 +16,39 @@ class ConfigHelper
         ];
     }
 
+    public function allowedThemeNames()
+    {
+        $results = [];
+
+        $directoryIterator = new \FilesystemIterator(dirname(dirname(__DIR__)) . '/resources/views/themes', \FilesystemIterator::SKIP_DOTS);
+
+        /** @var \SplFileInfo $fileInfo */
+        foreach ($directoryIterator as $fileInfo)
+        {
+            if (!$fileInfo->isDir() || strtolower($fileInfo->getFilename()) == 'base')
+            {
+                continue;
+            }
+
+            $themeName = strtolower($fileInfo->getFilename());
+            $themeDisplayName = $themeName;
+
+            $themeInfoFilename = sprintf('%s/theme.json', $fileInfo->getPathname());
+            if (file_exists($themeInfoFilename))
+            {
+                $themeInfo = json_decode(file_get_contents($themeInfoFilename));
+                if ($themeInfo !== false && isset($themeInfo->name))
+                {
+                    $themeDisplayName = $themeInfo->name;
+                }
+            }
+
+            $results[$themeName] = $themeDisplayName;
+        }
+
+        return $results;
+    }
+
     public function defaults()
     {
         return array(

app/Http/Controllers/Admin/DefaultController.php

@@ -29,7 +29,8 @@ class DefaultController extends Controller
     {
         $updateKeys = [
             'app_name',
-            'date_format'
+            'date_format',
+            'theme'
         ];
 
         foreach ($updateKeys as $key)
@@ -58,10 +59,13 @@ class DefaultController extends Controller
             $dateFormatsLookup[$dateFormat] = date($dateFormat);
         }
 
+        $themeNamesLookup = UserConfig::allowedThemeNames();
+
         return Theme::render('admin.settings', [
             'config' => $config,
             'date_formats' => $dateFormatsLookup,
-            'success' => $request->session()->get('success')
+            'success' => $request->session()->get('success'),
+            'theme_names' => $themeNamesLookup
         ]);
     }
 }

public/themes/bootstrap3-light/theme.css

@@ -0,0 +1 @@
+@import url('../bootstrap3/theme.css');

resources/views/themes/base/admin/settings.blade.php

@@ -32,6 +32,15 @@
                                         </div>
                                     </div>
                                 </div>
+
+                                <div class="row">
+                                    <div class="col-xs-12 col-sm-4">
+                                        <div class="form-group">
+                                            {!! Form::label('theme', 'Theme:', ['class' => 'control-label']) !!}
+                                            {!! Form::select('theme', $theme_names, old('theme'), ['class' => 'form-control']) !!}
+                                        </div>
+                                    </div>
+                                </div>
                             </div>
                         </div>
                     </div>