function hook_field_widget_form_alter
hook_field_widget_form_alter(&$element, &$form_state, $context)
Alter forms for field widgets provided by other modules.
Parameters
$element: The field widget form element as constructed by hook_field_widget_form().
$form_state: An associative array containing the current state of the form.
$context: An associative array containing the following key-value pairs, matching the arguments received by hook_field_widget_form():
- form: The form structure to which widgets are being attached. This may be a full form structure, or a sub-element of a larger form.
- field: The field structure.
- instance: The field instance structure.
- langcode: The language associated with $items.
- items: Array of default values for this field.
- delta: The order of this item in the array of subelements (0, 1, 2, etc).
See also
hook_field_widget_WIDGET_TYPE_form_alter()
Related topics
File
- modules/field/field.api.php, line 922
- Hooks provided by the Field module.
Code
function hook_field_widget_form_alter(&$element, &$form_state, $context) { // Add a css class to widget form elements for all fields of type mytype. if ($context['field']['type'] == 'mytype') { // Be sure not to overwrite existing attributes. $element['#attributes']['class'][] = 'myclass'; } }
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