function button_field_form_field_ui_field_instance_edit_form_alter in Button Field 8

Implements hook_form_FORM_ID_alter().

Hides the required setting and default value from the field instance settings form because they do not apply to this field type.

File

./button_field.module, line 87

Defines a field, widget and formatter for the button field type.

Code

function button_field_form_field_ui_field_instance_edit_form_alter(&$form, &$form_state, $form_id) {
  if ($form['#field']
    ->getType() == 'button_field') {

    // Hide the required field and set it to false.
    $form['instance']['required']['#access'] = FALSE;
    $form['instance']['required']['#default_value'] = FALSE;

    // No need to display a default value widget.
    $form['instance']['default_value']['#access'] = FALSE;
  }
}