function form_process_weight

Expands a weight element into a select element.

Related topics

File

includes/form.inc, line 4158

Code

function form_process_weight($element) {
    $element['#is_weight'] = TRUE;
    // If the number of options is small enough, use a select field.
    $max_elements = variable_get('drupal_weight_select_max', DRUPAL_WEIGHT_SELECT_MAX);
    if ($element['#delta'] <= $max_elements) {
        $element['#type'] = 'select';
        $weights = array();
        for ($n = -1 * $element['#delta']; $n <= $element['#delta']; $n++) {
            $weights[$n] = $n;
        }
        if (isset($element['#default_value'])) {
            $default_value = (int) $element['#default_value'];
            if (!isset($weights[$default_value])) {
                $weights[$default_value] = $default_value;
                ksort($weights);
            }
        }
        $element['#options'] = $weights;
        $element += element_info('select');
    }
    else {
        $element['#type'] = 'textfield';
        // Use a field big enough to fit most weights.
        $element['#size'] = 10;
        $element['#element_validate'] = array(
            'element_validate_integer',
        );
        $element += element_info('textfield');
    }
    return $element;
}