<?php
//namespace NanoMvc;

/**
 * Classe de base la gestion de la couche vue.
 *
 * Copyright (C) 2008  Nicolas Joseph
 *
 * LICENSE:
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 * @package    NanoMvc
 * @author     Nicolas Joseph <gege2061@redaction-developpez.com>
 * @copyright  2008 Nicolas Joseph
 * @license    http://www.opensource.org/licenses/gpl-3.0.html GPL v3
 * @filesource
 */

class View
{
  /**
   * @var string
   */
  private $page;

  /**
   * Cree une nouvelle vue.
   *
   * @param string page: nom du template
   */
  public function __construct ($page)
  {
    $this->page = $page;
  }

  /**
   * Charge le template View::$page et retourne le contenu a afficher.
   *
   * @param array env: variables d'environnement
   * @return string
   */
  public function render ($env)
  {
    $file = 'templates/'. $this->page .'.tpl';
    if (is_file ($file))
    {
      extract ($env);
      ob_start ();

      $path = dirname (__FILE__);
      require_once ($path .'/helper/page.php');
      require ($file);
      $content = ob_get_contents ();
      ob_end_clean ();
    }
    else
    {
      throw new Exception ('Pas de template pour la page : '. $this->page);
    }
    return $content;
  }
}