class_GenericDialog.inc

<?php
/*
  This code is part of FusionDirectory (http://www.fusiondirectory.org/)

  Copyright (C) 2012-2020  FusionDirectory

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/

abstract class GenericDialog implements FusionDirectoryDialog
{
  protected $dialogClass = '';
  protected $dialog;
  protected $attribute;

  protected $post_cancel = 'add_cancel';
  protected $post_finish = 'add_finish';

  function __construct ($simplePlugin, $attribute)
  {
    $this->attribute  = $attribute;
    $this->dialog     = new $this->dialogClass();
  }

  public function readPost ()
  {
    if (isset($_POST[$this->post_cancel])) {
      $this->handleCancel();
    } else {
      $this->dialog->readPost();
      if (isset($_POST[$this->post_finish]) || isset($_GET[$this->post_finish])) {
        $this->handleFinish();
      }
    }
  }

  public function update (): bool
  {
    if (isset($this->dialog)) {
      return $this->dialog->update();
    } else {
      return FALSE;
    }
  }

  public function render (): string
  {
    return $this->dialog->render();
  }

  abstract protected function handleFinish ();

  protected function handleCancel ()
  {
    unset($this->dialog);
  }
}