<?php
// $Id: jquery_media.module,v 1.5.2.7 2009-03-23 13:44:06 aaron Exp $

/**
 * @file
 * A wrapper module for the jQuery Media plugin.
 *
 * jQuery Media allows the display of embedded media, converting them automatically from links directly to the files.
 * See http://malsup.com/jquery/media/ for more information.
 */

define('JQUERY_MEDIA_BGCOLOR_DEFAULT', '#ffffff');
define('JQUERY_MEDIA_AUTOPLAY_DEFAULT', 0);
define('JQUERY_MEDIA_FLVPLAYER_DEFAULT', 'mediaplayer.swf');
define('JQUERY_MEDIA_MP3PLAYER_DEFAULT', 'mediaplayer.swf');
define('JQUERY_MEDIA_MP4_FLASH_DEFAULT', 0);
define('JQUERY_MEDIA_CLASS_MEDIA_DEFAULT', '.filefield-file a');
define('JQUERY_MEDIA_CLASS_MEDIA_AUTOINVOKE_DEFAULT', TRUE);
define('JQUERY_MEDIA_MEDIA_WIDTH_DEFAULT', '');
define('JQUERY_MEDIA_MEDIA_HEIGHT_DEFAULT', '');
define('JQUERY_MEDIA_USE_DEFAULT_JS_FILE', FALSE);
define('JQUERY_MEDIA_DEFAULT_JS_FILEPATH', 'jquery_media.defaults.js');

function jquery_media_menu() {
  $items['admin/settings/jquery_media'] = array(
    'file' => 'jquery_media.settings.inc',
    'title' => 'jQuery Media',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('_jquery_media_settings'),
    'access arguments' => array('administer jquery media'),
  );
  $items[JQUERY_MEDIA_DEFAULT_JS_FILEPATH] = array(
    'file' => 'jquery_media.jq.inc',
    'type' => MENU_CALLBACK,
    'access arguments' => array('access content'),
    'page callback' => '_jquery_media_default_js_file',
  );
  return $items;
}

/**
 *  Implements hook_perm
 */
function jquery_media_perm() {
  return array('administer jquery media', 'add jquery media to content');
}

/**
 *  Implements hook_help
 */
function jquery_media_help($section) {
  module_load_include('inc', 'jquery_media', 'jquery_media.settings');
  return _jquery_media_help($section);
}

/**
 *  Attempt to go through jQ first. Then add our files manually.
 */
function jquery_media_add($options = array()) {
  static $installed = FALSE;
  if (module_exists('jq')) {
    return module_invoke('jq', 'add', 'jquery_media');
  }
  if (!$installed) {
    drupal_add_js(drupal_get_path('module', 'jquery_media') .'/js/jquery.media.js');
  }
  module_load_include('inc', 'jquery_media', 'jquery_media.jq');
  _jquery_media_add($options);
  return TRUE;
}

/**
 *  Invoke the plugin if we support it for this node type.
 */
function jquery_media_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
  switch ($op) {
    case 'view':
      $types = variable_get('jquery_media_node_types', array());
      if ($types[$node->type]) {
        jquery_media_add();
      }
//       if (is_array($node->jquery_media)) {
//         jquery_media_add($node->jquery_media);
//       }
      break;
    case 'delete':
//       db_query("DELETE FROM {jquery_media_node} WHERE nid=%d", $node->nid);
      break;
    case 'update':
//       db_query("DELETE FROM {jquery_media_node} WHERE nid=%d", $node->nid);
      // Don't break yet; we may need to insert our new options.
    case 'insert':
//       if ($node->jquery_media_insert) {
//         $node->jquery_media = array();
//         // @TODO: Build the node specific options from form.
//         db_query("INSERT INTO {jquery_media_node} (nid, options) VALUES (%d, '%s')", $node->nid, serialize($node->jquery_media));
//       }
//       unset($node->jquery_media_insert);
      break;
    case 'load':
//       $jquery_media = db_result(db_query("SELECT options FROM {jquery_media_node} WHERE nid = %d", $node->nid));
//       if (isset($jquery_media)) {
//         $node->jquery_media = unserialize($jquery_media);
//       }
      break;
  }
}

/**
 *  Implement hook_form_alter.
 *  This will add a jQuery Media fieldset to node edit pages,
 *  allowing to enable the plugin from a particular node.
 */
function jquery_media_form_alter(&$form, $form_state, $form_id) {
//   if (substr($form_id, -10) == '_node_form') {
//     if (user_access('add jquery media to content')) {
//       $node = $form['#node'];
//       $form['jquery_media_fieldset'] = array(
//         '#type' => 'fieldset',
//         '#title' => t('jQuery Media'),
//         '#collapsible' => TRUE,
//         '#collapsed' => TRUE,
//       );
//       $form['jquery_media_fieldset']['jquery_media_insert'] = array(
//         '#type' => 'checkbox',
//         '#title' => t('Invoke jQuery Media'),
//         '#default_value' => is_array($node->jquery_media),
//       );
//       $form['jquery_media_fieldset']['jquery_media'] = array(
//         '#type' => 'value',
//         '#value' => $node->jquery_media,
//       );
//       // @TODO: Add specific options here, such as w/h.
//     }
//     else {
//       $form['jquery_media_insert'] = array(
//         '#type' => 'value',
//         '#value' => is_array($node->jquery_media),
//       );
//       $form['jquery_media'] = array(
//         '#type' => 'value',
//         '#value' => $node->jquery_media,
//       );
//     }
//   }
}

/**
 *  Implements hook_init().
 *  Invoke the plugin on any page listed from the configuration page.
 *  Code swiped from block_list
 */
function jquery_media_init() {
  $path = drupal_get_path_alias($_GET['q']);
  $regexp = '/^('. preg_replace(array('/(\r\n?|\n)/', '/\\\\\*/', '/(^|\|)\\\\<front\\\\>($|\|)/'), array('|', '.*', '\1'. preg_quote(variable_get('site_frontpage', 'node'), '/') .'\2'), preg_quote(variable_get('jquery_media_pages', ''), '/')) .')$/';
  // Compare with the internal and path alias (if any).
  $page_match = preg_match($regexp, $path);
  if ($path != $_GET['q']) {
    $page_match = $page_match || preg_match($regexp, $_GET['q']);
  }
  if ($page_match) {
    jquery_media_add();
  }
}