function image_generate_nodeapi in Image 6

Implementation of hook_nodeapi().

File

contrib/image_generate/image_generate.module, line 12

image_generate.module

Code

function image_generate_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
  if (isset($node->devel_generate)) {
    if ($op == 'presave') {
      if ($node->type == 'image') {
        $size = image_get_sizes(IMAGE_ORIGINAL);
        if (empty($size['width']) || empty($size['height'])) {

          // If we don't have a max size, make one up.
          $max_width = 800;
          $max_height = 800;
        }
        else {
          $max_width = $size['width'];
          $max_height = $size['height'];
        }
        $width = rand((int) 100, (int) $max_width);
        $height = rand((int) 100, (int) $max_height);
        $temp_image = _image_generate_image('png', $width, $height);
        $size = IMAGE_ORIGINAL;

        // Add the tempfile to the node, which is what image does when an image
        // is uploaded. This will be deleted when image generates derivatives.
        $node->images[$size] = $temp_image;
      }
    }
    if ($op == 'insert') {
      if (module_exists('image_attach')) {
        if (variable_get('image_attach_' . $node->type, 0)) {

          // Load an array of images to attach. Unset the "None" option.
          $images = _image_attach_get_image_nodes();
          unset($images[0]);
          if (count($images)) {

            // Get a random number of attachments up to the maximum possible for
            // this node type.
            $attachments = rand(1, variable_get('image_attach_maximum_' . $node->type, 1));
            $weight = 0;

            // Insert a random image node id and increment the weight.
            for ($i = 1; $i <= $attachments; $i++) {
              db_query("INSERT INTO {image_attach} (nid, iid, weight) VALUES (%d, %d, %d)", $node->nid, array_rand($images), $weight++);
            }
          }
          else {
            drupal_set_message(t('No images were attached to generated nodes because there are no image nodes to attach.'));
          }
        }
      }
    }
  }
}