file_field_widget_process

Versions

7

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

An element #process callback for the file_generic field type.

Expands the file_generic type to include the description and display fields.

Code

modules/file/file.field.inc, line 597

<?php
function file_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['widget']['settings'];

  $element['#theme'] = 'file_widget';

  // Add the display field if enabled.
  if (!empty($field['settings']['display_field']) && $item['fid']) {
    $element['display'] = array(
      '#type' => empty($item['fid']) ? 'hidden' : 'checkbox',
      '#title' => t('Include file in display'),
      '#value' => isset($item['display']) ? $item['display'] : $field['settings']['display_default'],
      '#attributes' => array('class' => array('file-display')),
    );
  }
  else {
    $element['display'] = array(
      '#type' => 'hidden',
      '#value' => '1',
    );
  }

  // Add the description field if enabled.
  if (!empty($instance['settings']['description_field']) && $item['fid']) {
    $element['description'] = array(
      '#type' => 'textfield',
      '#title' => t('Description'),
      '#value' => isset($item['description']) ? $item['description'] : '',
      '#type' => variable_get('file_description_type', 'textfield'),
      '#maxlength' => variable_get('file_description_length', 128),
      '#description' => t('The description may be used as the label of the link to the file.'),
    );
  }

  // Adjust the AJAX settings so that on upload and remove of any individual
  // file, the entire group of file fields is updated together.
  if ($field['cardinality'] != 1) {
    $new_path = preg_replace('/\/\d+\//', '/', $element['remove_button']['#ajax']['path'], 1);
    $new_wrapper = preg_replace('/-\d+-/', '-', $element['remove_button']['#ajax']['wrapper'], 1);
    foreach (element_children($element) as $key) {
      if (isset($element[$key]['#ajax'])) {
        $element[$key]['#ajax']['path'] = $new_path;
        $element[$key]['#ajax']['wrapper'] = $new_wrapper;
      }
    }
    unset($element['#prefix'], $element['#suffix']);
  }

  return $element;
}
?>

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