linkimagefield.module in Link Image Field 8

Defines theming for a link image field.

File

linkimagefield.module

<?php

/**
 * @file
 * Defines theming for a link image field.
 */

/**
 * Implements hook_theme().
 */
function linkimagefield_theme() {
  return array(
    'linkimage_formatter' => array(
      'template' => 'linkimage_formatter',
      'render element' => 'element',
    ),
  );
}

/**
 * Prepares variables for linkimagefield formatter template.
 *
 * @param $variables
 *   An associative array containing:
 *   - element: An array of elements to display in formatter.
 *   - image_style: An optional image style.
 *   - item_attributes: An array of image attributes.
 *
 * @ingroup themeable
 */
function template_preprocess_linkimage_formatter(&$variables) {
  $element = $variables['element'];
  if ($element['#image_style']) {
    $image = array(
      '#theme' => 'image_style',
      '#style_name' => $element['#image_style'],
    );
  }
  else {
    $image = array(
      '#theme' => 'image',
    );
  }
  $image['#attributes'] = $element['#item_attributes'];
  $item = $element['#item'];

  // Do not output an empty 'title' attribute.
  if (drupal_strlen($item->title) != 0) {
    $image['#title'] = $item->title;
  }
  if (($entity = $item->entity) && empty($item->uri)) {
    $image['#uri'] = $entity
      ->getFileUri();
  }
  else {
    $image['#uri'] = $item->uri;
  }
  foreach (array(
    'width',
    'height',
    'alt',
  ) as $key) {
    $image["#{$key}"] = $item->{$key};
  }
  $variables['image'] = drupal_render($image);
  $variables['attributes'] = array(
    'title' => $item->title,
    'target' => $item->target,
    'rel' => $item->rel,
    'class' => $item->class,
  );
  $variables['url'] = $item->url;
}

/**
 * The list of URL frame targets.
 *
 * @return array
 */
function _linkimagefield_widget_url_target_options() {
  return array(
    '_self' => t('Same Window (_self)'),
    '_blank' => t('New Window (_blank)'),
    '_parent' => t('Parent Frame (_parent)'),
    '_top' => t('Top Frame (_top)'),
  );
}

Functions

Name	Description
linkimagefield_theme	Implements hook_theme().
template_preprocess_linkimage_formatter	Prepares variables for linkimagefield formatter template.
_linkimagefield_widget_url_target_options	The list of URL frame targets.