function petreference_autocomplete_process in Previewable email templates 6
Process an individual element.
Build the form element. When creating a form using FAPI #process, note that $element['#value'] is already set.
1 string reference to 'petreference_autocomplete_process'
- petreference_elements in modules/
petreference/ petreference.module - Implementation of FAPI hook_elements().
File
- modules/
petreference/ petreference.module, line 585 - Defines a field type for referencing pet template to a node.
Code
function petreference_autocomplete_process($element, $edit, $form_state, $form) {
// The petreference autocomplete widget doesn't need to create its own
// element, it can wrap around the text_textfield element and add an autocomplete
// path and some extra processing to it.
// Add a validation step where the value can be unwrapped.
$field_key = $element['#columns'][0];
$element[$field_key] = array(
'#type' => 'text_textfield',
'#default_value' => isset($element['#value']) ? $element['#value'] : '',
'#autocomplete_path' => 'petreference/autocomplete/' . $element['#field_name'],
// The following values were set by the content module and need
// to be passed down to the nested element.
'#title' => $element['#title'],
'#required' => $element['#required'],
'#description' => $element['#description'],
'#field_name' => $element['#field_name'],
'#type_name' => $element['#type_name'],
'#delta' => $element['#delta'],
'#columns' => $element['#columns'],
);
if (empty($element[$field_key]['#element_validate'])) {
$element[$field_key]['#element_validate'] = array();
}
array_unshift($element[$field_key]['#element_validate'], 'petreference_autocomplete_validate');
// Used so that hook_field('validate') knows where to flag an error.
$element['_error_element'] = array(
'#type' => 'value',
// Wrapping the element around a text_textfield element creates a
// nested element, so the final id will look like 'field-name-0-nid-nid'.
'#value' => implode('][', array_merge($element['#parents'], array(
$field_key,
$field_key,
))),
);
return $element;
}