function field_ui_field_settings_form in Drupal 7
Form constructor for the field settings edit page.
See also
field_ui_field_settings_form_submit()
Related topics
1 string reference to 'field_ui_field_settings_form'
- field_ui_menu in modules/
field_ui/ field_ui.module - Implements hook_menu().
File
- modules/
field_ui/ field_ui.admin.inc, line 1568 - Administrative interface for custom field type creation.
Code
function field_ui_field_settings_form($form, &$form_state, $instance) {
$bundle = $instance['bundle'];
$entity_type = $instance['entity_type'];
$field = field_info_field($instance['field_name']);
drupal_set_title($instance['label']);
$description = '<p>' . t('These settings apply to the %field field everywhere it is used. These settings impact the way that data is stored in the database and cannot be changed once data has been created.', array(
'%field' => $instance['label'],
)) . '</p>';
// Create a form structure for the field values.
$form['field'] = array(
'#type' => 'fieldset',
'#title' => t('Field settings'),
'#description' => $description,
'#tree' => TRUE,
);
// See if data already exists for this field.
// If so, prevent changes to the field settings.
$has_data = field_has_data($field);
if ($has_data) {
$form['field']['#description'] = '<div class="messages error">' . t('There is data for this field in the database. The field settings can no longer be changed.') . '</div>' . $form['field']['#description'];
}
// Build the non-configurable field values.
$form['field']['field_name'] = array(
'#type' => 'value',
'#value' => $field['field_name'],
);
$form['field']['type'] = array(
'#type' => 'value',
'#value' => $field['type'],
);
$form['field']['module'] = array(
'#type' => 'value',
'#value' => $field['module'],
);
$form['field']['active'] = array(
'#type' => 'value',
'#value' => $field['active'],
);
// Add settings provided by the field module. The field module is
// responsible for not returning settings that cannot be changed if
// the field already has data.
$form['field']['settings'] = array();
$additions = module_invoke($field['module'], 'field_settings_form', $field, $instance, $has_data);
if (is_array($additions)) {
$form['field']['settings'] = $additions;
}
if (empty($form['field']['settings'])) {
$form['field']['settings'] = array(
'#markup' => t('%field has no field settings.', array(
'%field' => $instance['label'],
)),
);
}
$form['#entity_type'] = $entity_type;
$form['#bundle'] = $bundle;
$form['actions'] = array(
'#type' => 'actions',
);
$form['actions']['submit'] = array(
'#type' => 'submit',
'#value' => t('Save field settings'),
);
return $form;
}