function image_field_widget_form

Implements hook_field_widget_form().

File

modules/image/image.field.inc, line 331

Code

function image_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
    // Add display_field setting to field because file_field_widget_form() assumes it is set.
    $field['settings']['display_field'] = 0;
    $elements = file_field_widget_form($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'])) {
            $elements[0]['#description'] = theme('file_upload_help', array(
                'description' => field_filter_xss($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;
}