image_field_widget

Versions

7

image_field_widget(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element)

Implements hook_field_widget().

Code

modules/image/image.field.inc, line 309

<?php
function image_field_widget(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
  $elements = file_field_widget($form, $form_state, $field, $instance, $langcode, $items, $delta, $element);
  $settings = $instance['settings'];

  foreach (element_children($elements) as $delta) {
    // Add upload resolution validation.
    if ($settings['max_resolution'] || $settings['min_resolution']) {
      $elements[$delta]['#upload_validators']['file_validate_image_resolution'] = array($settings['max_resolution'], $settings['min_resolution']);
    }

    // If not using custom extension validation, ensure this is an image.
    $supported_extensions = array('png', 'gif', 'jpg', 'jpeg');
    $extensions = isset($elements[$delta]['#upload_validators']['file_validate_extensions'][0]) ? $elements[$delta]['#upload_validators']['file_validate_extensions'][0] : implode(' ', $supported_extensions);
    $extensions = array_intersect(explode(' ', $extensions), $supported_extensions);
    $elements[$delta]['#upload_validators']['file_validate_extensions'][0] = implode(' ', $extensions);

    // Add all extra functionality provided by the image widget.
    $elements[$delta]['#process'][] = 'image_field_widget_process';
  }

  if ($field['cardinality'] == 1) {
    // If there's only one field, return it as delta 0.
    if (empty($elements[0]['#default_value']['fid'])) {
      $elements[0]['#description'] = theme('file_upload_help', array('description' => $instance['description'], 'upload_validators' => $elements[0]['#upload_validators']));
    }
  }
  else {
    $elements['#file_upload_description'] = theme('file_upload_help', array('upload_validators' => $elements[0]['#upload_validators']));
  }
  return $elements;
}
?>

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