function menu_icons_css_generate in Menu Icons 7.3

Same name and namespace in other branches

1. 8 menu_icons.module \menu_icons_css_generate()

Build CSS based on menu IDs

Return value

A string with the CSS

3 calls to menu_icons_css_generate()

menu_icons_flush_caches in ./menu_icons.module

Implements hook_flush_caches().

menu_icons_form_submit in ./menu_icons.module

Process the submitted form

menu_icons_node_save in ./menu_icons.module

Helper for hook_node_insert() and hook_node_update().

1 string reference to 'menu_icons_css_generate'

menu_icons_form_alter in ./menu_icons.module

Implements hook_form_alter().

File

./menu_icons.module, line 489

Module to associate icons with menu items

Code

function menu_icons_css_generate() {
  $css = "";
  $result = db_query("SELECT mlid, options FROM {menu_links}");
  $pos = variable_get('menu_icons_position', 'left');
  $absolute = variable_get('menu_icons_absolute_links', FALSE);
  foreach ($result as $item) {
    $options = unserialize($item->options);
    if (isset($options['menu_icon']) && $options['menu_icon']['enable'] && !empty($options['menu_icon']['path']) && file_exists($options['menu_icon']['path'])) {
      $image_path = $options['menu_icon']['path'];
      $image_style = isset($options['menu_icon']['image_style']) && !empty($options['menu_icon']['image_style']) ? $options['menu_icon']['image_style'] : NULL;
      if ($image_style) {
        $source_uri = $image_path;
        $image_path = image_style_path($image_style, $source_uri);
        if (!file_exists($image_path)) {
          image_style_create_derivative(image_style_load($image_style), $source_uri, $image_path);
        }
      }

      // Retrieve the image dimensions
      $info = image_get_info($image_path);
      if ($absolute) {
        $image_url = file_create_url($image_path);
      }
      else {
        $wrapper = file_stream_wrapper_get_instance_by_scheme(file_uri_scheme($image_path));
        $image_url = '/' . $wrapper
          ->getDirectoryPath() . '/' . file_uri_target($image_path);
      }
      $size = $pos == 'right' || $pos == 'left' ? $info['width'] : $info['height'];

      // Support private filesystem
      $css .= theme('menu_icons_css_item', array(
        'mlid' => $item->mlid,
        'path' => $image_url,
        'size' => $size,
        'height' => $info['height'],
        'pos' => $pos,
        'source' => $source_uri,
      ));
    }
  }
  $csspath = 'public://css';
  if (!empty($css)) {
    file_prepare_directory($csspath, FILE_CREATE_DIRECTORY);
    file_unmanaged_delete($csspath . '/menu_icons.css');
    file_unmanaged_save_data($css, $csspath . '/menu_icons.css', FILE_EXISTS_REPLACE);
  }
  else {
    file_unmanaged_delete($csspath . '/menu_icons.css');
  }
}