Components\ThemeManager\Controllers\Backend\ThemeManagerController::destroy PHP Method

    public function destroy($id = null)
    {
        // If multiple ids are specified
        if ($id == 'multiple') {
            $selected_ids = trim(Input::get('selected_ids'));
            if ($selected_ids == '') {
                return Redirect::back()->with('error_message', trans('error_messages.nothing_selected_delete'));
            }
            $selected_ids = explode(' ', $selected_ids);
        } else {
            $selected_ids = array($id);
        }
        foreach ($selected_ids as $id) {
            $theme = Theme::findOrFail($id);
            if (\Setting::value("{$theme->target}_theme") == $theme->id) {
                return Redirect::back()->with('error_message', "The theme {$theme->name} can not be deleted because it is currently being used as {$theme->target} theme.");
            }
            File::delete($theme->screenshot);
            File::deleteDirectory(app_path() . "/../resources/views/{$theme->target}/{$theme->directory}/", false);
            File::deleteDirectory(public_path() . "/assets/{$theme->target}/{$theme->directory}/", false);
            $theme->settings()->delete();
            $theme->delete();
        }
        $wasOrWere = count($selected_ids) > 1 ? 's were' : ' was';
        $message = 'The theme' . $wasOrWere . ' deleted.';
        return Redirect::to("backend/theme-manager")->with('success_message', $message);
    }