modules/node_media/node_media.module

<?php
/**
 * @file
 * This module will add "Images" tab, "Videos" tab and "Sounds" tab to nodes, allowing users to upload media(images, video and sounds) and associate them with the current node.
 * Requires upload.module
 * The hook_node_media() allows to conditionally disable media for the specific node
 */

/**
 * Implementation of hook_perm().
 */

function node_media_perm() {
  return array('create node media', 'administer node media');
}

/**
 * Implementation of hook_menu().
 */
function node_media_menu($may_cache) {
  $items = array();
  $access = user_access('create node media');
  $admin = user_access('administer site configuration');

  if ($may_cache) {
    $items[] = array('path' => 'admin/settings/node_media',
      'title' => t('node media'),
      'description' => t('Control how to upload node media.'),
      'callback' => 'drupal_get_form',
      'callback arguments' => array('node_media_admin_settings'),
      'access' => $admin
    );
    $items[] = array(
      'path' => 'node_media/js',
      'callback' => '_node_media_js',
      'access' => $access,
      'type' => MENU_CALLBACK
    );
  } else {
    if (arg(0) == 'node' && is_numeric(arg(1))) {
      $node = node_load(arg(1));
      if ($node->nid && variable_get('node_media_position_'.$node->type, 'hide') != 'hide') {
        $items[] = array(
          'path' => 'node/' . arg(1) . '/media',
          'title' => t('Media'),
          'callback' => '_node_media_edit_form',
          'callback arguments' => array($node),
          'access' => $access && node_access('update', $node),
          'type' => MENU_LOCAL_TASK,
          'weight' => 2
        );
        $items[] = array(
          'path' => 'node/' . arg(1) . '/image_gallery',
          'title' => t('Image gallery'),
          'callback' => '_node_media_image_gallery',
          'callback arguments' => array($node),
          'access' => count($node->node_media[0]) && node_access('view', $node),
          'type' => variable_get('node_media_gallery_tabs_'.$node->type, TRUE) ? MENU_LOCAL_TASK : MENU_CALLBACK
        );
        $items[] = array(
          'path' => 'node/' . arg(1) . '/video_gallery',
          'title' => t('Video gallery'),
          'callback' => '_node_media_video_gallery',
          'callback arguments' => array($node),
          'access' => count($node->node_media[1]) && node_access('view', $node),
          'type' => variable_get('node_media_gallery_tabs_'.$node->type, TRUE) ? MENU_LOCAL_TASK : MENU_CALLBACK
        );
        $items[] = array(
          'path' => 'node/' . arg(1) . '/sound_gallery',
          'title' => t('Sound gallery'),
          'callback' => '_node_media_sound_gallery',
          'callback arguments' => array($node),
          'access' => count($node->node_media[2]) && node_access('view', $node),
          'type' => variable_get('node_media_gallery_tabs_'.$node->type, TRUE) ? MENU_LOCAL_TASK : MENU_CALLBACK
        );
      }
    }
  }

  return $items;
}

/**
 * implementation of hook_form_alter()
 */
function node_media_form_alter($form_id, &$form) {
  $type = $form['#node_type']->type;
  if ($form_id == 'node_type_form' && isset($form['identity']['type'])) {
    // radio button in the node's content type configuration page
    _node_media_check_settings();
    $form['node_media'] = array(
      '#type' => 'fieldset',
      '#title' => t('node media'),
      '#collapsible' => TRUE,
    );
    $form['node_media']['node_media_position'] = array(
      '#type' => 'radios',
      '#title' => t('Position'),
      '#default_value' => variable_get('node_media_position_'.$type, 'hide'),
      '#options' => array('hide' => t('Do not show'), 'above' => t('Show above node body'), 'below' => t('Show below node body'), 
     'node_template' => t('Manually set in node template by variable $node->node_media')),
      '#description' => t('The position of images in the node view.'),
    );
    $form['node_media']['node_media_gallery_link'] = array(
      '#type' => 'radios',
      '#title' => t('Link to image gallery'),
      '#default_value' => variable_get('node_media_gallery_link_'.$type, TRUE),
      '#options' => array(t('Do not show'), t('Show')),
      '#description' => t('Choose whether to show or not the link to the image gallery.'),
    );
    $form['node_media']['node_media_gallery_tabs'] = array(
      '#type' => 'radios',
      '#title' => t('Media galleries tabs'),
      '#default_value' => variable_get('node_media_gallery_tabs_'.$type, TRUE),
      '#options' => array(t('Do not show'), t('Show')),
      '#description' => t('Choose whether to show or not the tabs to the media galleries.'),
    );
    $form['node_media']['node_media_gallery_display_node_details'] = array(
      '#type' => 'radios',
      '#title' => t('Node details in media galleries'),
      '#default_value' => variable_get('node_media_gallery_display_node_details_'.$type, TRUE),
      '#options' => array(t('Do not show'), t('Show')),
      '#description' => t('Choose whether to show or not the node details into media galleries.'),
    );
    $form['node_media']['node_media_teaser_images'] = array(
      '#type' => 'textfield',
      '#title' => t('Number of images in node teaser'),
      '#default_value' => variable_get('node_media_teaser_images_'.$type, 2),
      '#size' => 5,
      '#maxlength' => 2,
      '#description' => t('The maximum number of images to show in the node teaser. 0 will not show images. Leave blank to show all images.'),
    );
    $form['node_media']['node_media_body_images'] = array(
      '#type' => 'textfield',
      '#title' => t('Number of images in node body'),
      '#size' => 5,
      '#maxlength' => 2,
      '#default_value' => variable_get('node_media_body_images_'.$type, NULL),
      '#description' => t('The maximum number of images to show in the node body. 0 will not show images. Leave blank to show all images.'),
    );
    $form['node_media']['node_media_teaser_format'] = array(
      '#type' => 'radios',
      '#title' => t('Image format in node teaser'),
      '#default_value' => variable_get('node_media_teaser_format_'.$type, 'thumbs'),
      '#options' => array('thumbs' => t('Thumbnails'), 'fullsize' => t('Full size images')),
      '#description' => t('Image format in node teaser.'),
    );
    $form['node_media']['node_media_body_format'] = array(
      '#type' => 'radios',
      '#title' => t('Image format in node body'),
      '#default_value' => variable_get('node_media_body_format_'.$type, 'thumbs'),
      '#options' => array('thumbs' => t('Thumbnails'), 'fullsize' => t('Full size images')),
      '#description' => t('Image format in node body.'),
    );

    $form['submit']['#weight'] = 30;
    $form['delete']['#weight'] = 31;
    $form['reset']['#weight'] = 32;
  }
}

/**
 * Implementation of hook_nodeapi().
 */
function node_media_nodeapi(&$node, $op, $teaser, $page) {
  // test if images are allowed for this node
  if ($op == 'load' || $op == 'view') {
    if (variable_get('node_media_position_'.$node->type, 'hide') == 'hide') return;

    // fire an additional hook for the specific node type
    // i.e. node media might be a pro feature, so only subscribed users can view them
    // if the hook is not present in the node type module, images are loaded by default
    $show = module_invoke($node->type, 'node_media', $op, $node);
    if ($show === FALSE) return;
  }

  switch ($op) {
    case 'load':
      // load node media for the current node
      $sql = db_query('SELECT * FROM {node_media} WHERE nid=%d AND status=1 ORDER BY type,weight', $node->nid);
      while ($r = db_fetch_object($sql)) {
        $node->node_media[$r->type][$r->id] = $r;
      }
      break;

    case 'insert':
      if (user_access('create node media') && node_access('update', $node) &&
        variable_get('node_media_position_'.$node->type, 'hide') != 'hide') {
          drupal_set_message(t('Click the <strong>media</strong> tab to add images, videos and sounds to this node.',
            array(
              '!images' => l(t('images'), 'node/'.$node->nid.'/images')/*,
              '!videos' => l(t('videos'), 'node/'.$node->nid.'/videos'),
              '!sounds' => l(t('sounds'), 'node/'.$node->nid.'/sounds')*/
            )));
      }
      break;

    case 'delete':
      // Delete image and thumbnail files
      $sql = db_query('SELECT filepath, thumbpath FROM {node_media} WHERE nid=%d', $node->nid);
      while ($r = db_fetch_object($sql)) {
        file_delete($r->filepath);
    file_delete($r->thumbpath);
      }
      // Delete all images associated with the node
      db_query('DELETE FROM {node_media} WHERE nid=%d', $node->nid);
      break;

    case 'view':
      if (empty($node->node_media)) return;

      // search for a themed view for the current node type
      $nodetype_function = 'theme_'.$node->type.'_node_media_view';
      if (function_exists($nodetype_function)) {
        $output = $nodetype_function($node, $teaser, $page);
      }
      else {
        // use the default theme function
        $output = theme('node_media_view', $node, $teaser, $page);
      }
      $node->node_media = $output;

      $output = '<div class="node_media">'.$output[0].'</div>';
      $position = variable_get('node_media_position_'.$node->type, 'hide');
      switch ($position) {
        case 'node_template':
    case 'hide':
          break;

    case 'above':
          $node->content['node_media'] = array('#value' => $output, '#weight' => -1);
          break;

        default:
          $node->content['node_media'] = array('#value' => $output, '#weight' => 1);
          break;
      }
      return $node;
  }
}

/**
 * Implementation of hook_link().
 */
function node_media_link($type, $node = null, $teaser = false) {
  $links = array();

  if ($type == 'node' && $node->nid && variable_get('node_media_position_'.$node->type, 'hide') != 'hide') {
    if ($node->node_media[0] && variable_get('node_media_gallery_link_'.$node->type, TRUE)) {
      $links['node_media_image_gallery'] = array(
        'title' => t('Open the image gallery'),
        'href' => "node/$node->nid/image_gallery",
      );
    }
    
    if ($node->node_media[1] && variable_get('node_media_gallery_link_'.$node->type, TRUE)) {
      $links['node_media_video_gallery'] = array(
        'title' => t('Open the video gallery'),
        'href' => "node/$node->nid/video_gallery",
      );
    }
    
    if ($node->node_media[2] && variable_get('node_media_gallery_link_'.$node->type, TRUE)) {
      $links['node_media_sound_gallery'] = array(
        'title' => t('Open the sound gallery'),
        'href' => "node/$node->nid/sound_gallery",
      );
    }
  }

  return $links;
}

/**
 * Implementation of hook_user().
 */
function node_media_user($type, &$edit, &$user, $category = NULL) {
  switch ($type) {
    case 'delete':
      // Set uid=0 for images uploaded by the deleted user
      db_query('UPDATE {node_media} SET uid=0 WHERE uid=%d', $user->uid);
  }
}

/**
 * Implementation of hook_file_download().
 * Find out if an image is accessible when download method is set to private
 */
function node_media_file_download($file) {
  $path = file_create_path($file);
  $result = db_query("SELECT * FROM {node_media} WHERE filepath='%s' OR thumbpath='%s'", $path, $path);
  if ($file = db_fetch_object($result)) {
    $node = node_load($file->nid);
    if (node_access('view', $node)) {
      if ($path == $file->thumbpath) {
        // update header info if thumb is requested
        $name = mime_header_encode(basename($file->thumbpath));
        $size = $file->thumbsize;
      }
      else {
        $name = mime_header_encode($file->filename);
    $size = $file->filesize;
      }
      $type = mime_header_encode($file->filemime);
      return array(
        'Content-Type: '. $type .'; name='. $name,
        'Content-Length: '. $size,
        'Cache-Control: private'
      );
    }
    else {
      return -1;
    }
  }
}


/************************************************************
 * Node edit functions
************************************************************/

/**
 * Display the page to edit and upload node media.
 *
 * @param $node
 *    the current node
 * @return
 *    the node media page.
 */
function _node_media_edit_form($node) {
  global $user;
  $output = '<div id="attach-wrapper">';

  // Generate image list
  $sql = db_query('SELECT * FROM {node_media} WHERE nid=%d ORDER BY weight', $node->nid);
  if (db_num_rows($sql)>0) $output .= drupal_get_form('_node_media_list', $node, $sql);

  // test if this node can accept new images
  // i.e. there might be limits to the number of uploaded images for certain node types or user roles
  // if the hook is not present in the node type module, upload is enabled by default
  $upload = module_invoke($node->type, 'node_media', 'upload', $node);
  if ($upload !== FALSE) {
    $output .= drupal_get_form('_node_media_edit_form_upload', $node);
  }
  $output .= '</div>';

  drupal_set_title(check_plain($node->title));
  return $output;
}

function _node_media_edit_form_upload($node) {
  $path = file_directory_path().'/'.variable_get('node_media_path', 'node_media');
  _node_media_check_directory(NULL, $path);
  $extensions = variable_get('node_media_extensions', 'jpg jpeg gif png');

  //die;
  
  drupal_add_js('misc/progress.js');
  drupal_add_js('misc/upload.js');
  
  // Generate upload form
  $form['new'] = array(
    '#type'=>'fieldset',
    '#title'=>t('Upload a new media'),
  );
  $form['new']['description'] = array(
    '#type' => 'textfield',
    '#title' => t('Description'),
    '#size' => 50,
    '#maxlength' => 255,
    '#default_value' => $edit['new']['description'],
    '#description' => t('Enter a description for the new media, max 255 chars.'),
    '#prefix' => '<div style="float:left; margin-right:20px;">',
    '#suffix' => '</div>',
  );
  $form['new']['weight'] = array(
    '#type' => 'weight',
    '#title' => t('Weight'),
    '#prefix' => '<div style="float:left; margin-right:20px;">',
    '#suffix' => '</div><div style="clear:both; height:0.1em;"></div>',
  );
  $form['new']['upload'] = array(
    '#type' => 'file',
    '#title' => t('Media file'),
    '#size' => 50,
    '#description' => t('Allowed file types: %extensions', array('%extensions' => $extensions)),
    '#prefix' => '<div style="float:left; margin-right:20px;"></div><div id="attach-hide" style="float:left; margin-right:20px;">',
    '#suffix' => '</div>',
  );
  $form['new']['type'] = array(
    '#type' => 'select',
    '#options' => array('Image','Video','Sound'),
    '#title' => t('Type'),
    '#default_value' => $edit['new']['type'],
    '#prefix' => '<div style="float:left; margin-right:20px;">',
    '#suffix' => '</div><div style="clear:both; height:0.1em;"></div>',
  );
  $form['new']['submit'] = array(
    '#type' => 'button',
    '#value' => t('Upload'),
    '#name'=> 'submit',
    '#id' => 'attach-button',
  );
  // The class "upload" triggers the js upload behaviour.
  $form['attach-url'] = array(
    '#type' => 'hidden',
    '#value' => url('node_media/js', NULL, NULL, TRUE),
    '#attributes' => array('class' => 'upload'),
  );
  // Needed for JS
  $form['nid'] = array(
    '#type' => 'hidden',
    '#value' => $node->nid,
  );

  $form['#attributes']['enctype'] = 'multipart/form-data';
  return $form;
}

/**
 * Generate a list of images associated to the current node.
 *
 * @param $node
 *    the current node
 * @param $result
 *    SQL result containing the node media
 * @return
 *    a form representing the image list.
 */
function _node_media_list($node, $result) {
  global $user;
  $images = array();
  $form['rows'] = array('#tree' => TRUE);
  $delete_access = node_access('delete', $node);
  
  while ($image = db_fetch_object($result)) {
    $images[$image->id] = $image;
    $form['rows'][$image->id]['description'] = array(
      '#type' => 'textfield',
      '#default_value' => $image->description,
      '#size' => 30,
      '#maxlength' => 255,
    );
    $form['rows'][$image->id]['weight'] = array(
      '#type' => 'weight',
      '#default_value' => $image->weight,
    );

    // images can be deleted only by users having delete access or users who uploaded the images
    $disabled = (!$delete_access && $user->uid != $image->uid);
    $form['rows'][$image->id]['delete'] = array('#type' => 'checkbox', '#disabled' => $disabled);
  }

  $form['nid'] = array('#type' => 'value', '#value' => $node->nid);
  $form['save'] = array(
    '#type' => 'submit',
    '#value' => t('Save changes'),
  );
  $form['images'] = array(
    '#type' => 'value',
    '#value' => $images,
  );
  $form['#theme'] = 'node_media_list';

  // action must be set, otherwise it will be replaced by "node_media/js" (current $_GET['q'] on JS uploads)
  $form['#action'] = url('node/'.$node->nid.'/media');

  return $form;
}

/**
 * Theme node media list.
 */
function theme_node_media_list($form) {
  $header = array(t('Thumbnail'), t('Description').' / '.t('Path'), t('Size'), t('Weight'), t('Delete'));
  
  $rows = array();
  foreach($form['images']['#value'] as $id=>$image) {
    $row = array();
    $row[] = '<img src="'.file_create_url($image->thumbpath).'" vspace="5" />';
    $row[] = drupal_render($form['rows'][$image->id]['description']).$image->filepath;
    $row[] = array('data' => format_size($image->filesize), 'style' => 'white-space: nowrap');
    $row[] = drupal_render($form['rows'][$image->id]['weight']);
    $row[] = array('data' => drupal_render($form['rows'][$image->id]['delete']), 'align' => 'center');
    $rows[] = $row;
  }

  $output = '<fieldset><legend>'.t('Uploaded images').'</legend>';
  $output .= theme('table', $header, $rows);
  $output .= drupal_render($form);
  $output .= '</fieldset>';
  
  return $output;
}

/**
 * Process result from node media list.
 */
function _node_media_list_submit($form_id, $form_values) {
  global $user;
  $node = node_load($form_values['nid']);
  if (!node_access('update', $node)) return;
  $delete_access = node_access('delete', $node);

  foreach($form_values['rows'] as $id => $edit) {
    if ($edit['delete']) {
      $r = db_fetch_object(db_query('SELECT filepath, thumbpath, uid FROM {node_media} WHERE id=%d AND nid=%d',
        $id, $node->nid));

      // if user has no delete access to the node, he can delete his own images only
      if (!$delete_access && $user->uid != $r->uid) continue;
      
      // delete selected image
      file_delete($r->filepath);
      file_delete($r->thumbpath);
      db_query('DELETE FROM {node_media} WHERE id=%d AND nid=%d', $id, $node->nid);
    }
    else {
      // update image data
      db_query('UPDATE {node_media} SET description="%s", weight=%d WHERE id=%d AND nid=%d',
        $edit['description'], $edit['weight'], $id, $node->nid);
    }
  }
  drupal_set_message(t('The changes have been saved.'));
}

/**
 * Upload a new image and associate it to the current node.
 *
 * @param $edit
 *    array containing the submitted values
 * @param $node
 *    the image file
 * @return
 *    the uploaded image file, or FALSE if upload fails
 */
function _node_media_upload($edit, $node) {
  global $user;
  if (($file = file_check_upload()) && user_access('create node media')) {
    switch($edit['type']){
      case 0:
        // The uploaded file must be an image
        $info = image_get_info($file->filepath);
        if (!$info) {
          form_set_error('upload', t('The uploaded file !name is not a valid image.', array('!name' => theme('placeholder', $file->filename))));
          return FALSE;
        }
        break;
      case 1:
        break;
      case 2:
        break;
     }
    
    //Munge the filename as needed for security purposes.
    $file->filename = upload_munge_filename($file->filename, NULL, 0);

    // Validate file extension
    $extensions = variable_get('node_media_extensions', 'jpg jpeg gif png');
    $regex = '/\.('. ereg_replace(' +', '|', preg_quote($extensions)) .')$/i';
    if (!preg_match($regex, $file->filename)) {
      form_set_error('upload', t('The selected file !name can not be uploaded, because it is only possible to attach files with the following extensions: !files-allowed.', array('!name' => theme('placeholder', $file->filename), '!files-allowed' => theme('placeholder', $extensions))));
      return FALSE;
    }
    switch($edit['type']){
      case 0:
        // Validate max images for the current node
        $sql = db_query('SELECT * FROM {node_media} WHERE nid=%d', $node->nid);
        $max = variable_get('node_media_max_images', 4);
        $count = db_num_rows($sql);
        if ($count >= $max) {
          form_set_error('upload', t('The selected file !name can not be uploaded, because it exceeds the maximum limit of !max files.', array('!name' => theme('placeholder', $file->filename), '!max' => theme('placeholder', $max))), 'error');
          return FALSE;
        }
        // Scale image to the maximum allowed resolution (default is 400x300)
        // (if not set in the node_media admin settings, use the default upload max resolution
        list($width, $height) = explode('x', variable_get('node_media_large_resolution', '400x300'));
        if (!$width || !$height) {
          list($width, $height) = explode('x', variable_get('upload_max_resolution', '400x300'));
        }
        if (!$width || !$height) {
          list($width, $height) = explode('x', '400x300');
        }
        if ($width && $height) {
          $result = image_scale($file->filepath, $file->filepath, $width, $height);
          if ($result) {
            $file->filesize = filesize($file->filepath);
            drupal_set_message(t('The image was resized to fit within the maximum allowed resolution of %resolution pixels.',
              array('%resolution' => $width.'x'.$height)));
          }
        }
        break;
      case 1:
        break;
      case 2:
        break;
    }
    // Validation from upload.module
    $fid = 'upload_'.$user->uid;
    $node->files = array($fid => $file);
    _upload_validate($node);
    if (!isset($node->files[$fid])) return FALSE;

    // Normalize filename and check description
    $dest = _node_media_get_directory();
    if (trim($edit['description']) == '') {
      $edit['description'] = basename($file->filename);
    }
    if (variable_get('node_media_md5name', FALSE)) {
      // set md5 file name
      $extension = substr($file->filename, strrpos($file->filename, '.') + 1);
      $file->filename = substr(md5($dest.'/'.$file->filename), 0, 16);
      if ($extension) $file->filename .= '.'.$extension;
    }
    $file->filename = preg_replace('/ +/', '_', $file->filename);

    // Save uploaded media
    if ($file = file_save_upload($file, $dest.'/'.strtolower($file->filename))) {
      $thumb = _node_media_create_thumbnail($file->filepath);
      $file->filesize = filesize($file->filepath);
      db_query("INSERT INTO {node_media} (nid, uid, filename, filepath, filemime, filesize, thumbpath, thumbsize, weight, description, type)
        VALUES (%d, %d, '%s', '%s', '%s', %d, '%s', %d, %d, '%s', %d)",
    $edit['nid'], $user->uid, $file->filename, $file->filepath, $file->filemime, $file->filesize,
    $thumb->filepath, $thumb->filesize, $edit['weight'], $edit['description'], $edit['type']);
    }
    return $file;
  }
}


/************************************************************
 * Node view functions
 ************************************************************/

/**
 * Show node media in the node view.
 */
function theme_node_media_view($node, $teaser, $page, $format = NULL) {
  //if (str_replace(arg(2)) == 'image_gallery' || empty($node->node_media)) return;

  $output = array('','','');
  $i = 0;

  // set maximum number of images for teaser/body
  $view = ($teaser ? 'teaser' : 'body');
  $count = variable_get('node_media_'.$view.'_images_'.$node->type, 2);
  if (isset($count) && $count === 0) return;
  if (!$format) {
    $format = variable_get('node_media_'.$view.'_format_'.$node->type, 'thumbs');
  }

  foreach((array)$node->node_media[0] as $id=>$image) {
    $description = check_plain($image->description);
    $pattern = '<img src="%path" alt="%description" />';
    $thumb = strtr($pattern, array('%path'=>file_create_url($image->thumbpath), '%description'=>$description));
    $fullsize = strtr($pattern, array('%path'=>file_create_url($image->filepath), '%description'=>$description));

    if ($info = getimagesize($image->filepath)) {
      $width = $info[0] + 36;
      $height = $info[1] + 36;
    }
    else {
      $width = 420;
      $height = 315;
    }

    if ($format == 'thumbs') {
      $output[0] .= '<a href="javascript:void(0);" title="'.$description.'" onclick="window.open(\''.
        file_create_url($image->filepath).'\', \'\', \'height='.$height.',width='.$width.'\');">'.$thumb.'</a> ';
    }
    else {
      $output[0] .= $fullsize.' ';
    }
    if ($count>0 && ++$i >= $count) break;
  }
  
  foreach((array)$node->node_media[1] as $id=>$video) {
    $description = check_plain($video->description);
    $iconpath = variable_get('video_media_icon_path','/modules/node_media/img/video_icon.gif');
    $pattern = '<img src="'.$iconpath.'" alt="%description" />';
    $thumb = strtr($pattern, array('%path'=>file_create_url($iconpath), '%description'=>$description));
    $fullsize = strtr($pattern, array('%path'=>file_create_url($iconpath), '%description'=>$description));
    
    list($width, $height) = explode('x', variable_get('video_media_max_resolution', '400x300'));

    if ($format == 'thumbs') {
      $output[1] .= '<a href="javascript:void(0);" title="'.$description.'" onclick="window.open(\''.
        file_create_url($video->filepath).'\', \'\', \'height='.$height.',width='.$width.'\');">'.$thumb.'</a> ';
    }
    else {
      $output[1] .= $fullsize.' ';
    }
    if ($count>0 && ++$i >= $count) break;
  }
  
  return $output;
}


/************************************************************
 * Gallery functions
 ************************************************************/

function _node_media_image_gallery($node) {
  if (empty($node->node_media[0])) {
    drupal_set_message(t('No images uploaded for this content.'));
    if (user_access('create node media') && node_access('update', $node)) {
      $output = t('Click <a href="!url">here</a> to upload new images.', array('!url' => url('node/'.$node->nid.'/media')));
    }
    return '<p>'.$output.'</p>';
  }
  
  $settings = array('images' => array());

  $i = 1;
  $thumbs = array();
  foreach ($node->node_media[0] as $id=>$image) {
    $thumb_path = file_create_url($image->thumbpath);
    $thumbs[$i] = array(
      'src' => $thumb_path,
      'title' => $image->description,
    );

    $path = $image->filepath;
    $info = image_get_info($path);
    $settings['images'][$i++] = array(
      'src' => file_create_url($path),
      'title' => $image->description,
      'description' => $image->description,
      'width' => $info['width'],
      'height' => $info['height'],
      'thumb' => $thumb_path,
    );
  }
  $total = count($settings['images']);

  if ($total > 0) {
    $current = (int)$_GET['page'];
    $current = ($current < 1 || $current > $total) ? 1 : $current;

    $settings['current'] = $current;
    $settings['total'] = $total;

    $path = drupal_get_path('module', 'node_media');
    drupal_add_js($path.'/node_media.js');
    drupal_add_js(array('slideshow' => array($node->nid => $settings)), 'setting');
    drupal_add_css($path.'/node_media.css');

    $slideshow = array(
      '#type' => 'node_media_gallery',
      '#title' => $settings['images'][$current]['title'],
      '#attributes' => array('class' => 'mediaslideshow-'. $node->nid),
      '#status' => array(
        'current' => $current,
        'total' => $total,
        'previous' => $current < 1 ? $total : $current - 1,
        'next' => $current >= $total ? 1 : $current + 1,
      ),
      '#media' => $settings['images'][$current],
      '#weight' => -5,
    );
  }

  list($width, $height) = explode('x', variable_get('upload_max_resolution', 0));
  
  $output = '';
  if(variable_get('node_media_gallery_display_node_details_'.$node->type, TRUE))
    $output = node_view($node);
  $output .= '<table id="mediaslideshow-table"><tr>';
  $output .= '<td>'.drupal_render($slideshow).'</td>';
  $output .= '<td>'.theme('node_media_gallery_thumbs', $thumbs).'</td>';
  $output .= '</tr></table>';
  //$output .= node_view($node).'<hr />';
  
  $title = t('Photo gallery for %title', array('%title' => $node->title));
  drupal_set_title($title);
  return $output;
}


function _node_media_video_gallery($node) {
  if (empty($node->node_media[1])) {
    drupal_set_message(t('No images uploaded for this content.'));
    if (user_access('create node media') && node_access('update', $node)) {
      $output = t('Click <a href="!url">here</a> to upload new videos.', array('!url' => url('node/'.$node->nid.'/media')));
    }
    return '<p>'.$output.'</p>';
  }
  
  $settings = array('videos' => array());

  $i = 1;
  $thumbs = array();
  $iconpath = variable_get('video_media_icon_path','/modules/node_media/img/video_icon.gif');
  foreach ($node->node_media[1] as $id=>$video) {
    $thumb_path = file_create_url($video->thumbpath);
    $thumbs[$i] = array(
      'src' => $iconpath,
      'title' => $video->description,
    );
    
    list($width, $height) = explode('x', variable_get('video_media_max_resolution', '400x300'));
    
    $path = $video->filepath;
    $settings['videos'][$i++] = array(
      'src' => file_create_url($path),
      'title' => $video->description,
      'description' => $video->description,
      'width' => $width,
      'height' => $height,
      'thumb' => $iconpath,
      'type' => $video->type
    );
  }
  $total = count($settings['videos']);

  if ($total > 0) {
    $current = (int)$_GET['page'];
    $current = ($current < 1 || $current > $total) ? 1 : $current;

    $settings['current'] = $current;
    $settings['total'] = $total;

    $path = drupal_get_path('module', 'node_media');
    drupal_add_js($path.'/node_media.js');
    drupal_add_js(array('slideshow' => array($node->nid => $settings)), 'setting');
    drupal_add_css($path.'/node_media.css');

    $slideshow = array(
      '#type' => 'node_media_gallery',
      '#title' => $settings['videos'][$current]['title'],
      '#attributes' => array('class' => 'mediaslideshow-'. $node->nid),
      '#status' => array(
        'current' => $current,
        'total' => $total,
        'previous' => $current < 1 ? $total : $current - 1,
        'next' => $current >= $total ? 1 : $current + 1,
      ),
      '#media' => $settings['videos'][$current],
      '#weight' => -5,
    );
  }

  list($width, $height) = explode('x', variable_get('video_media_max_resolution', '400x300'));

  $output = '';
  if(variable_get('node_media_gallery_display_node_details_'.$node->type, TRUE))
    $output = node_view($node).'<hr />';
  $output .= '<table id="mediaslideshow-table"><tr>';
  $output .= '<td>'.drupal_render($slideshow).'</td>';
  $output .= '<td>'.theme('node_media_gallery_thumbs', $thumbs).'</td>';
  $output .= '</tr></table>';
  //$output .= node_view($node).'<hr />';
  
  $title = t('Video gallery for %title', array('%title' => $node->title));
  drupal_set_title($title);
  return $output;
}


function _node_media_sound_gallery($node) {
  if (empty($node->node_media[2])) {
    drupal_set_message(t('No sounds uploaded for this content.'));
    if (user_access('create node media') && node_access('update', $node)) {
      $output = t('Click <a href="!url">here</a> to upload new sounds.', array('!url' => url('node/'.$node->nid.'/media')));
    }
    return '<p>'.$output.'</p>';
  }
  
  $settings = array('sounds' => array());

  $i = 1;
  $thumbs = array();
  foreach ($node->node_media[0] as $id=>$image) {
    $thumb_path = file_create_url($sound->thumbpath);
    $thumbs[$i] = array(
      'src' => $thumb_path,
      'title' => $sound->description,
    );

    $path = $sound->filepath;
    $settings['sounds'][$i++] = array(
      'src' => file_create_url($path),
      'title' => $sound->description,
      'description' => $sound->description,
      'width' => variable_get('sound_media_icon_width',32),
      'height' => variable_get('sound_media_icon_height',32),
      'thumb' => $thumb_path,
    );
  }
  $total = count($settings['sounds']);

  if ($total > 0) {
    $current = (int)$_GET['page'];
    $current = ($current < 1 || $current > $total) ? 1 : $current;

    $settings['current'] = $current;
    $settings['total'] = $total;

    $path = drupal_get_path('module', 'node_media');
    drupal_add_js($path.'/node_media.js');
    drupal_add_js(array('slideshow' => array($node->nid => $settings)), 'setting');
    drupal_add_css($path.'/node_media.css');

    $slideshow = array(
      '#type' => 'node_media_gallery',
      '#title' => $settings['sounds'][$current]['title'],
      '#attributes' => array('class' => 'mediaslideshow-'. $node->nid),
      '#status' => array(
        'current' => $current,
        'total' => $total,
        'previous' => $current < 1 ? $total : $current - 1,
        'next' => $current >= $total ? 1 : $current + 1,
      ),
      '#media' => $settings['sounds'][$current],
      '#weight' => -5,
    );
  }

  list($width, $height) = explode('x', variable_get('sound_media_resolution', 0));

  $output = '';
  if(variable_get('node_media_gallery_display_node_details_'.$node->type, TRUE))
    $output = node_view($node).'<hr />';
  $output .= '<table id="mediaslideshow-table"><tr>';
  $output .= '<td>'.drupal_render($slideshow).'</td>';
  $output .= '<td>'.theme('node_media_gallery_thumbs', $thumbs).'</td>';
  $output .= '</tr></table>';
  //$output .= node_view($node).'<hr />';
  
  $title = t('Sound gallery for %title', array('%title' => $node->title));
  drupal_set_title($title);
  return $output;
}

function theme_node_media_gallery($element) {
  switch($element['#media']['type']){
    case 0:
      $output = '<div'. drupal_attributes($element['#attributes']) .'>
        <div class="header">
          '. l(t('Previous'), $_GET['q'], array('class' => 'previous', 'rel' => 'nofollow'), 'page='. $element['#status']['previous']) .' |
          '. t('Image !current of !total', array(
            '!current' => '<span class="current">'. $element['#status']['current'] .'</span>',
            '!total' => '<span class="total">'. $element['#status']['total'] .'</span>')) .' |
          '. l(t('Next'), $_GET['q'], array('class' => 'next', 'rel' => 'nofollow'), 'page='. $element['#status']['next']) .'
        </div>
        <img src="'. url($element['#media']['src']) .'" class="mediapolaroid" />
        <p class="description">'. $element['#title'] .'</p>
        </div>';
      break;
    case 1:
      $output = '<div'. drupal_attributes($element['#attributes']) .'>
        <div class="header">
          '. l(t('Previous'), $_GET['q'], array('class' => 'previous', 'rel' => 'nofollow'), 'page='. $element['#status']['previous']) .' |
          '. t('Image !current of !total', array(
            '!current' => '<span class="current">'. $element['#status']['current'] .'</span>',
            '!total' => '<span class="total">'. $element['#status']['total'] .'</span>')) .' |
          '. l(t('Next'), $_GET['q'], array('class' => 'next', 'rel' => 'nofollow'), 'page='. $element['#status']['next']) .'
        </div>
        <embed src="'. url($element['#media']['src']) .'" autostart="0"
          showcontrols="1" type="application/x-mplayer2" pluginspage="http://www.microsoft.com/windows/windowsmedia/download/"
          height="'. $element['#media']['height'] .'" width="'. $element['#media']['width'] .'"> 
        <p class="description">'. $element['#title'] .'</p>
        </div>';
      break;
    case 2;
      break;
  }
  return $output;
}

function theme_node_media_gallery_thumbs($thumbs, $cols = 2) {
  $count = count($thumbs);
  $output = '<table id="thumbs-table">';

  $i = 0;
  foreach($thumbs as $id => $thumb) {
    if ($i % $cols == 0) $output .= '<tr>';
    $description = '<div class="thumb-description">'.truncate_utf8($thumb['title'], 40, FALSE, TRUE).'</div>';
    $output .= '<td>'.l('<img src="'.$thumb['src'].'" class="slideshow-thumb" id="thumb-'.$id.'" />', $_GET['q'],
      array('title' => $thumb['title'], 'rel' => 'nofollow'), 'page='.$id, NULL, FALSE, TRUE).$description.'</td>';
    if ($i % $cols == $cols - 1 || $n >= $count) $output .= "</tr>";
    $i++;
  }

  $output .= '</table>';
  return $output;
}


/************************************************************
 * Helper functions - admin settings
 ************************************************************/

/**
 * Menu callback; admin settings page.
 */
function node_media_admin_settings() {
  _node_media_check_settings();

  $form['node_media_path'] = array(
    '#type' => 'textfield',
    '#title' => t('Node media path'),
    '#default_value' => variable_get('node_media_path', 'node_media'),
    '#maxlength' => 255,
    '#description' => t('Subdirectory in the directory %dir where the node media will be stored. This directory has to exist and be writable by Drupal. You can use the following variables: %uid, %username', array('%dir' => file_directory_path() .'/')),