function list_allowed_values_setting_validate
Element validate callback; check that the entered values are valid.
1 string reference to 'list_allowed_values_setting_validate'
- list_field_settings_form in modules/
field/ modules/ list/ list.module - Implements hook_field_settings_form().
File
-
modules/
field/ modules/ list/ list.module, line 160
Code
function list_allowed_values_setting_validate($element, &$form_state) {
$field = $element['#field'];
$has_data = $element['#field_has_data'];
$field_type = $field['type'];
$generate_keys = ($field_type == 'list_integer' || $field_type == 'list_float') && !$has_data;
$values = list_extract_allowed_values($element['#value'], $field['type'], $generate_keys);
if (!is_array($values)) {
form_error($element, t('Allowed values list: invalid input.'));
}
else {
// Check that keys are valid for the field type.
foreach ($values as $key => $value) {
if ($field_type == 'list_integer' && !preg_match('/^-?\\d+$/', $key)) {
form_error($element, t('Allowed values list: keys must be integers.'));
break;
}
if ($field_type == 'list_float' && !is_numeric($key)) {
form_error($element, t('Allowed values list: each key must be a valid integer or decimal.'));
break;
}
elseif ($field_type == 'list_text' && drupal_strlen($key) > 255) {
form_error($element, t('Allowed values list: each key must be a string at most 255 characters long.'));
break;
}
}
// Prevent removing values currently in use.
if ($has_data) {
$lost_keys = array_diff(array_keys($field['settings']['allowed_values']), array_keys($values));
if (_list_values_in_use($field, $lost_keys)) {
form_error($element, t('Allowed values list: some values are being removed while currently in use.'));
}
}
form_set_value($element, $values, $form_state);
}
}
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