function resp_img_update_7200 in Responsive images and styles 7.2

Update to 2.x

File

./resp_img.install, line 63

Install/schema hooks for the resp_img module.

Code

function resp_img_update_7200(&$sandbox) {

  // Install the new schema.
  if (!db_table_exists('resp_img_mapping')) {
    drupal_install_schema('resp_img');
  }

  // Check if the 1.x table exists.
  // Check for the default suffix, we can't do much without it.
  if (db_table_exists('resp_img_suffix') && variable_get('resp_img_default_suffix', '') != '') {

    // Load all 1.x suffix'
    $default = variable_get('resp_img_default_suffix', '');
    $length = drupal_strlen($default);
    $suffixes = db_select('resp_img_suffix', 'r')
      ->fields('r')
      ->orderBy('breakpoint')
      ->execute()
      ->fetchAll();
    array_unshift($suffixes, (object) array(
      'suffix' => $default,
      'label' => 'Default',
      'breakpoint' => 0,
      'name' => 'default',
    ));
    $styles = array_keys(image_styles());
    $group_style_mapping = array();
    $weight = 0;
    $groups = array();
    foreach ($styles as $style) {
      if (drupal_substr($style, -$length) === $default) {

        // We found a responsive style, we need to create a group for it.
        $groups[] = drupal_substr($style, 0, -$length);
      }
    }
    $groups = array_unique($groups);

    // Create the breakpoints, breakpoint groups and mappings.
    foreach ($groups as $group) {
      $breakpoints = array();
      foreach ($suffixes as $suffix) {

        // Check if the style exists.
        if (in_array($group . $suffix->suffix, $styles)) {

          // Check if the breakpoint exists.
          $breakpoint_obj = breakpoints_breakpoint_load_by_fullkey('custom.user.update.' . $suffix->name);
          if (!$breakpoint_obj) {

            // Create a breakpoint.
            $breakpoint_obj = breakpoints_breakpoint_empty_object();
            $breakpoint_obj->name = $suffix->label;
            $breakpoint_obj->machine_name = 'custom.user.update.' . $suffix->name;
            $breakpoint_obj->breakpoint = '(min-width: ' . $suffix->breakpoint . 'px)';
            $breakpoint_obj->source = 'user';
            $breakpoint_obj->source_type = 'custom';
            $breakpoint_obj->weight = $weight++;
            $multipliers = variable_get('breakpoints_multipliers', array(
              '1x',
              '2x',
              '3x',
            ));
            $multipliers = array_combine($multipliers, array_fill(0, count($multipliers), 0));
            if (isset($multipliers['1x'])) {
              unset($multipliers['1x']);
            }
            $breakpoint_obj->multipliers = $multipliers;
            breakpoints_breakpoint_save($breakpoint_obj);
          }
          $breakpoints[$breakpoint_obj->machine_name] = $group . $suffix->suffix;
        }
      }

      // Create a group.
      $group_obj = breakpoints_breakpoint_group_empty_object();
      $group_obj->name = check_plain($group);
      $group_obj->machine_name = str_replace('-', '_', drupal_clean_css_identifier($group_obj->name));
      $group_obj->breakpoints = array_keys($breakpoints);
      breakpoints_breakpoint_group_save($group_obj);
      $group_style_mapping[$group_obj->machine_name] = $group . $suffix->suffix;

      // Create a mapping
      $mapping_obj = new stdClass();
      $mapping_obj->mapping = array();
      $mapping_obj->machine_name = 'mappings.' . $group_obj->machine_name;
      $mapping_obj->breakpoint_group = $group_obj->machine_name;
      foreach ($breakpoints as $breakpoint_name => $style) {
        $mapping_obj->mapping[$breakpoint_name]['1x'] = $style;
      }
      resp_img_mapping_save($mapping_obj);
    }

    // Change the field settings.
    $instances = field_read_instances(array(
      'field_name' => array_keys(field_read_fields(array(
        'type' => array(
          'image',
        ),
      ))),
    ));
    foreach ($instances as $instance) {
      foreach ($instance['display'] as $view_mode => $settings) {
        if (isset($instance['display'][$view_mode]['settings']['image_style'])) {
          if ($new_style = array_search($instance['display'][$view_mode]['settings']['image_style'], $group_style_mapping)) {
            $instance['display'][$view_mode]['settings']['image_style'] = RESP_IMG_STYLE_PREFIX . $new_style;
          }
        }
        if (isset($instance['display'][$view_mode]['settings']['colorbox_node_style'])) {
          if ($new_style = array_search($instance['display'][$view_mode]['settings']['colorbox_node_style'], $group_style_mapping)) {
            $instance['display'][$view_mode]['settings']['colorbox_node_style'] = RESP_IMG_STYLE_PREFIX . $new_style;
          }
        }
        field_update_instance($instance);
      }
    }
  }

  // Delete variables.
  $vars = array(
    'resp_img_block_enabled',
    'resp_img_default_suffix',
    'resp_img_forceredirect',
    'resp_img_forceresize',
    'resp_img_purgeexpire',
    'resp_img_reloadonresize',
    'resp_img_use_device_pixel_ratio',
  );
  foreach ($vars as $var) {
    variable_del($var);
  }

  // Delete table.
  if (db_table_exists('resp_img_suffix')) {
    db_drop_table('resp_img_suffix');
  }
}