function button_field_form_field_ui_field_edit_form_alter in Button Field 7

Same name and namespace in other branches

1. 8 button_field.module \button_field_form_field_ui_field_edit_form_alter()

Implements hook_form_FORM_ID_alter().

Hides the required and cardinality fields and removes the default value from the field_ui_field_edit_form because it does not apply to this field type.

File

./button_field.module, line 278

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

Code

function button_field_form_field_ui_field_edit_form_alter(&$form, &$form_state, $form_id) {
  if ($form['#field']['type'] == 'button_field') {

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

    // Hide the cardinality and set it to one.
    $form['field']['cardinality']['#type'] = 'hidden';
    $form['field']['cardinality']['#value'] = 1;

    // No need for a default value.
    unset($form['instance']['default_value_widget']);
  }
}