public function Checkbox::statesHandler in Conditional Fields 8

Same name and namespace in other branches

1. 4.x src/Plugin/conditional_fields/handler/Checkbox.php \Drupal\conditional_fields\Plugin\conditional_fields\handler\Checkbox::statesHandler()

@TODO: Different handlers for boolean and list fields.

Overrides ConditionalFieldsHandlersPluginInterface::statesHandler

File

src/Plugin/conditional_fields/handler/Checkbox.php, line 22

Class

Checkbox

Provides states handler for single on/off checkbox.

Namespace

Drupal\conditional_fields\Plugin\conditional_fields\handler

Code

public function statesHandler($field, $field_info, $options) {
  $state = [];
  $checked = FALSE;
  switch ($options['values_set']) {
    case ConditionalFieldsInterface::CONDITIONAL_FIELDS_DEPENDENCY_VALUES_WIDGET:
      $widget_value = $this
        ->getWidgetValue($options['value_form']);
      $checked = $field['#return_value'] == $widget_value;
      break;
    case ConditionalFieldsInterface::CONDITIONAL_FIELDS_DEPENDENCY_VALUES_REGEX:
      $checked = preg_match('/' . $options['value']['RegExp'] . '/', $field['#on_value']) ? TRUE : FALSE;
      break;
    case ConditionalFieldsInterface::CONDITIONAL_FIELDS_DEPENDENCY_VALUES_AND:

      // ANDing values of a single checkbox doesn't make sense:
      // just use the first value.
      $checked = $options['values'][0] == $field['#on_value'] ? TRUE : FALSE;
      break;
    case ConditionalFieldsInterface::CONDITIONAL_FIELDS_DEPENDENCY_VALUES_XOR:
    case ConditionalFieldsInterface::CONDITIONAL_FIELDS_DEPENDENCY_VALUES_OR:
    case ConditionalFieldsInterface::CONDITIONAL_FIELDS_DEPENDENCY_VALUES_NOT:
      $checked = in_array($field['#on_value'], $options['values']) ? TRUE : FALSE;
      break;
  }
  $state[$options['state']][$options['selector']] = [
    'checked' => $checked,
  ];
  return $state;
}