Phraseanet/lib/classes/databox/subdefsStructure.class.php

<?php

/*
 * This file is part of Phraseanet
 *
 * (c) 2005-2010 Alchemy
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 *
 * @package
 * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
 * @link        www.phraseanet.com
 */
class databox_subdefsStructure implements IteratorAggregate
{

  /**
   *
   * @var Array
   */
  protected $AvSubdefs = array();

  /**
   *
   * @return ArrayIterator
   */
  public function getIterator()
  {
    return new ArrayIterator($this->AvSubdefs);
  }

  /**
   *
   * @param databox $databox
   * @return Array
   */
  public function __construct(databox &$databox)
  {
    $this->databox = $databox;

    $this->load_subdefs();

    return $this->AvSubdefs;
  }

  /**
   *
   * @return databox_subdefsStructure
   */
  protected function load_subdefs()
  {

    $sx_struct = $this->databox->get_sxml_structure();

    $this->AvSubdefs = array(
        'image' => array(),
        'video' => array(),
        'audio' => array(),
        'document' => array(),
        'flash' => array()
    );

    if (!$sx_struct)
      return $this;

    $subdefgroup = $sx_struct->subdefs[0];


    foreach ($subdefgroup as $k => $subdefs)
    {
      $subdefgroup_name = (string) $subdefs->attributes()->name;

      if (!isset($AvSubdefs[$subdefgroup_name]))
        $AvSubdefs[$subdefgroup_name] = array();

      foreach ($subdefs as $sd)
      {

        $subdef_name = mb_strtolower((string) $sd->attributes()->name);
        switch ($subdefgroup_name)
        {
          case 'audio':
            $AvSubdefs[$subdefgroup_name][$subdef_name] =
                    new databox_subdef_audio($sd);
            break;

          case 'image':
            $AvSubdefs[$subdefgroup_name][$subdef_name] =
                    new databox_subdef_image($sd);
            break;

          case 'video':
            $AvSubdefs[$subdefgroup_name][$subdef_name] =
                    new databox_subdef_video($sd);
            break;

          case 'document':
            $AvSubdefs[$subdefgroup_name][$subdef_name] =
                    new databox_subdef_document($sd);
            break;

          case 'flash':
            $AvSubdefs[$subdefgroup_name][$subdef_name] =
                    new databox_subdef_flash($sd);
            break;

          default:
            continue;
            break;
        }
      }
    }
    $this->AvSubdefs = $AvSubdefs;

    return $this;
  }

  /**
   *
   * @param type $subdef_type
   * @param type $subdef_name
   * @return databox_subdefAbstract
   */
  public function get_subdef($subdef_type, $subdef_name)
  {
    if (isset($this->AvSubdefs[$subdef_type]) && isset($this->AvSubdefs[$subdef_type][$subdef_name]))
    {
      return $this->AvSubdefs[$subdef_type][$subdef_name];
    }
    throw new Exception_Databox_SubdefNotFound();
  }

  /**
   *
   * @param string $group
   * @param string $name
   * @return databox_subdefsStructure
   */
  public function delete_subdef($group, $name)
  {

    $dom_struct = $this->databox->get_dom_structure();
    $dom_xp = $this->databox->get_xpath_structure();
    $nodes = $dom_xp->query(
            '//record/subdefs/'
            . 'subdefgroup[@name="' . $group . '"]/'
            . 'subdef[@name="' . $name . '"]'
    );

    if ($nodes->length > 0)
    {
      $node = $nodes->item(0);
      $parent = $node->parentNode;
      $parent->removeChild($node);
    }

    if (isset($AvSubdefs[$group]) && isset($AvSubdefs[$group][$name]))
      unset($AvSubdefs[$group][$name]);

    $this->databox->saveStructure($dom_struct);

    return $this;
  }

  /**
   *
   * @param string $group
   * @param string $name
   * @param string $class
   * @return databox_subdefsStructure
   */
  public function add_subdef($groupname, $name, $class)
  {
    $dom_struct = $this->databox->get_dom_structure();

    $subdef = $dom_struct->createElement('subdef');
    $subdef->setAttribute('class', $class);
    $subdef->setAttribute('name', $name);

    $dom_xp = $this->databox->get_xpath_structure();
    $query = '//record/subdefs/subdefgroup[@name="' . $groupname . '"]';
    $groups = $dom_xp->query($query);

    if ($groups->length == 0)
    {
      $group = $dom_struct->createElement('subdefgroup');
      $group->setAttribute('name', $groupname);
      $dom_xp->query('/record/subdefs')->item(0)->appendChild($group);
    }
    else
    {
      $group = $groups->item(0);
    }

    $group->appendChild($subdef);

    $this->databox->saveStructure($dom_struct);

    $this->load_subdefs();

    return $this;
  }

  /**
   *
   * @param string $group
   * @param string $name
   * @param string $class
   * @param boolean $downloadable
   * @param Array $options
   * @return databox_subdefsStructure
   */
  public function set_subdef($group, $name, $class, $downloadable, $options)
  {
    $dom_struct = $this->databox->get_dom_structure();

    $subdef = $dom_struct->createElement('subdef');
    $subdef->setAttribute('class', $class);
    $subdef->setAttribute('name', mb_strtolower($name));
    $subdef->setAttribute('downloadable', ($downloadable ? 'true' : 'false'));

    foreach ($options as $option => $value)
    {
      $child = $dom_struct->createElement($option);
      $child->appendChild($dom_struct->createTextNode($value));
      $subdef->appendChild($child);
    }

    $dom_xp = $this->databox->get_xpath_structure();

    $nodes = $dom_xp->query('//record/subdefs/'
            . 'subdefgroup[@name="' . $group . '"]');
    if ($nodes->length > 0)
    {
      $dom_group = $nodes->item(0);
    }
    else
    {
      $dom_group = $dom_struct->createElement('subdefgroup');
      $dom_group->setAttribute('name', $group);

      $nodes = $dom_xp->query('//record/subdefs');
      if ($nodes->length > 0)
      {
        $nodes->item(0)->appendChild($dom_group);
      }
      else
      {
        throw new Exception('Unable to find /record/subdefs xquery');
      }
    }

    $nodes = $dom_xp->query(
            '//record/subdefs/'
            . 'subdefgroup[@name="' . $group . '"]/'
            . 'subdef[@name="' . $name . '"]'
    );

    if ($nodes->length > 0)
    {
      for ($i = 0; $i < $nodes->length; $i++)
      {
        $dom_group->removeChild($nodes->item($i));
      }
    }

    $dom_group->appendChild($subdef);

    $this->databox->saveStructure($dom_struct);

    $this->load_subdefs();

    return $this;
  }

}