work on admin area

app/controller/admin.php

 namespace Controller;
 
 class Admin {
-
+    private $fff;
+    public $classes = ['test'];
+    public $edit_url = "";
+    
     function __construct() {
-
+        $f3 = \Base::instance();
+        $this->fff = new \Modules\FilesInFolders(
+            $f3->get('current_page_folder')
+        );
     }
 
     function menu() {
         return '<a class="action" href="#">clear cache</a>';
     }
-    
+    function receive_edit() {
+        $f3 = \Base::instance();
+        $f3->reroute("?admin=1");
+    }
     function index() {
-        //        return $this->menu();
-        return $this->clear_cache();
+        $f3 = \Base::instance();
+        $mods = [];
+        if ($edit_type = $f3->get("GET.edit")) {
+            $this->classes[] = 'visible';
+            switch ($edit_type) {
+            case 'txt':
+                $file = $f3->get("GET.file");
+                $mods[] = $this->text_editor($file);
+                break;
+            }
+        }
+        $mods[] = $this->list_content_folder();
+        return implode("",$mods);
+        //return $this->clear_cache();
     }
 
     function clear_cache() {
         }
         return "erased $count files<br>";
     }
+    
+    function get_type($file) {
+        if (is_dir($file)) {
+            return 'dir';
+        } else if (is_file($file)) {
+            $ex = array_pop(explode(".",$file));
+            foreach ($this->fff->EXT as $type => $array) {
+                if (in_array(strtolower($ex),$array)) {
+                    return $type;
+                }
+            }
+            return 'unkown';
+        }
+        
+        
+        
+    }
+    
+    function text_editor($file) {
+        if (is_file($file)) {
+            return sprintf('<form method="post" action="%s">'
+            .'<textarea class="texteditor" cols="80" rows="20">%s</textarea>'
+            .'<button type="submit">save</button>'
+            .'</form>',
+                $this->edit_url . "?".http_build_query([
+                    'admin'=>1
+                ]),
+                file_get_contents($file)
+            );
+        }
+        return "nope";
+    }
+    
+    function list_content_folder() {
+        $f3 = \Base::instance();
+        $folder = $f3->get("current_page_folder");
+        $out = "";
+
+        $ls = [];
+        foreach (scandir($folder) as $file) {
+            
+            $ls[] = (object)[
+                'name' => $file,
+                'type' => self::get_type($folder.$file),
+                'path' => $folder.$file
+            ];
+        }
+        
+        $out .= '<div class="filebrowser"><ul>';
+        foreach ($ls as $file) {
+            $edit_link = "?".http_build_query([
+                "admin"=>1,
+                "edit"=>$file->type,
+                "file"=>$file->path
+                ]);
+            $out .= sprintf('<li class="filebrowser type-%s"><a href="%s">%s</a></li>',
+                $file->type,
+                $edit_link,
+                $file->name
+            );
+        }
+        $out .= "</ul></div>";
+        
+        return $out;
+    }
 }

index.php

 //------------------------------------------------------------------------
 ###############################################################################
 
-if ($f3->get("GET.admin")) {
-    $admin = new \Controller\Admin;
-    $f3->set('backend',$admin->index());
-} else {
-    $f3->set('backend',false);
-}
+
 
 // HTML preloading of images
 // this could also find some better place
 $bbb->index();
 
 $f3->run();
+if ($f3->get("GET.admin")) {
+    $admin = new \Controller\Admin;
+    $f3->set('backend',$admin->index());
+} else {
+    $f3->set('backend',false);
+}
 echo \Template::instance()->render($f3->get('template'));