image_field_widget_process

Versions

7

image_field_widget_process($element, &$form_state, $form)

An element #process callback for the image_image field type.

Expands the image_image type to include the alt and title fields.

Code

modules/image/image.field.inc, line 346

<?php
function image_field_widget_process($element, &$form_state, $form) {
  $item = $element['#value'];
  $item['fid'] = $element['fid']['#value'];

  $field = field_info_field($element['#field_name']);
  $instance = field_info_instance($element['#object_type'], $element['#field_name'], $element['#bundle']);
  $settings = $instance['settings'];
  $widget_settings = $instance['widget']['settings'];

  $element['#theme'] = 'image_widget';
  $element['#attached']['css'][] = drupal_get_path('module', 'image') . '/image.css';

  // Add the image preview.
  if ($element['#file'] && $widget_settings['preview_image_style']) {
    $element['preview'] = array(
      '#type' => 'markup',
      '#markup' => theme('image_style', array('style_name' => $widget_settings['preview_image_style'], 'path' => $element['#file']->uri, 'getsize' => FALSE)),
    );
  }

  // Add the additional alt and title fields.
  $element['alt'] = array(
    '#title' => t('Alternate text'),
    '#type' => 'textfield',
    '#default_value' => isset($item['alt']) ? $item['alt'] : '',
    '#description' => t('This text will be used by screen readers, search engines, or when the image cannot be loaded.'),
    '#maxlength' => variable_get('image_alt_length', 80), // See http://www.gawds.org/show.php?contentid=28.
    '#weight' => -2,
    '#access' => (bool) $item['fid'] && $settings['alt_field'],
  );
  $element['title'] = array(
    '#type' => 'textfield',
    '#title' => t('Title'),
    '#default_value' => isset($item['title']) ? $item['title'] : '',
    '#description' => t('The title is used as a tool tip when the user hovers the mouse over the image.'),
    '#maxlength' => variable_get('image_title_length', 500),
    '#weight' => -1,
    '#access' => (bool) $item['fid'] && $settings['title_field'],
  );

  return $element;
}
?>

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