drupal-civicrm/modules/field/tests/field_test.field.inc
2018-01-14 13:10:16 +00:00

414 lines
12 KiB
PHP

<?php
/**
* @file
* Defines a field type and its formatters and widgets.
*/
/**
* Implements hook_field_info().
*/
function field_test_field_info() {
return array(
'test_field' => array(
'label' => t('Test field'),
'description' => t('Dummy field type used for tests.'),
'settings' => array(
'test_field_setting' => 'dummy test string',
'changeable' => 'a changeable field setting',
'unchangeable' => 'an unchangeable field setting',
),
'instance_settings' => array(
'test_instance_setting' => 'dummy test string',
'test_hook_field_load' => FALSE,
),
'default_widget' => 'test_field_widget',
'default_formatter' => 'field_test_default',
),
'shape' => array(
'label' => t('Shape'),
'description' => t('Another dummy field type.'),
'settings' => array(
'foreign_key_name' => 'shape',
),
'instance_settings' => array(),
'default_widget' => 'test_field_widget',
'default_formatter' => 'field_test_default',
),
'hidden_test_field' => array(
'no_ui' => TRUE,
'label' => t('Hidden from UI test field'),
'description' => t('Dummy hidden field type used for tests.'),
'settings' => array(),
'instance_settings' => array(),
'default_widget' => 'test_field_widget',
'default_formatter' => 'field_test_default',
),
);
}
/**
* Implements hook_field_update_forbid().
*/
function field_test_field_update_forbid($field, $prior_field, $has_data) {
if ($field['type'] == 'test_field' && $field['settings']['unchangeable'] != $prior_field['settings']['unchangeable']) {
throw new FieldException("field_test 'unchangeable' setting cannot be changed'");
}
}
/**
* Implements hook_field_load().
*/
function field_test_field_load($entity_type, $entities, $field, $instances, $langcode, &$items, $age) {
$args = func_get_args();
field_test_memorize(__FUNCTION__, $args);
foreach ($items as $id => $item) {
// To keep the test non-intrusive, only act for instances with the
// test_hook_field_load setting explicitly set to TRUE.
if ($instances[$id]['settings']['test_hook_field_load']) {
foreach ($item as $delta => $value) {
// Don't add anything on empty values.
if ($value) {
$items[$id][$delta]['additional_key'] = 'additional_value';
}
}
}
}
}
/**
* Implements hook_field_insert().
*/
function field_test_field_insert($entity_type, $entity, $field, $instance, $items) {
$args = func_get_args();
field_test_memorize(__FUNCTION__, $args);
}
/**
* Implements hook_field_update().
*/
function field_test_field_update($entity_type, $entity, $field, $instance, $items) {
$args = func_get_args();
field_test_memorize(__FUNCTION__, $args);
}
/**
* Implements hook_field_delete().
*/
function field_test_field_delete($entity_type, $entity, $field, $instance, $items) {
$args = func_get_args();
field_test_memorize(__FUNCTION__, $args);
}
/**
* Implements hook_field_validate().
*
* Possible error codes:
* - 'field_test_invalid': The value is invalid.
*/
function field_test_field_validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors) {
$args = func_get_args();
field_test_memorize(__FUNCTION__, $args);
foreach ($items as $delta => $item) {
if ($item['value'] == -1) {
$errors[$field['field_name']][$langcode][$delta][] = array(
'error' => 'field_test_invalid',
'message' => t('%name does not accept the value -1.', array('%name' => $instance['label'])),
);
}
}
}
/**
* Implements hook_field_is_empty().
*/
function field_test_field_is_empty($item, $field) {
return empty($item['value']);
}
/**
* Implements hook_field_settings_form().
*/
function field_test_field_settings_form($field, $instance, $has_data) {
$settings = $field['settings'];
$form['test_field_setting'] = array(
'#type' => 'textfield',
'#title' => t('Field test field setting'),
'#default_value' => $settings['test_field_setting'],
'#required' => FALSE,
'#description' => t('A dummy form element to simulate field setting.'),
);
return $form;
}
/**
* Implements hook_field_instance_settings_form().
*/
function field_test_field_instance_settings_form($field, $instance) {
$settings = $instance['settings'];
$form['test_instance_setting'] = array(
'#type' => 'textfield',
'#title' => t('Field test field instance setting'),
'#default_value' => $settings['test_instance_setting'],
'#required' => FALSE,
'#description' => t('A dummy form element to simulate field instance setting.'),
);
return $form;
}
/**
* Implements hook_field_widget_info().
*/
function field_test_field_widget_info() {
return array(
'test_field_widget' => array(
'label' => t('Test field'),
'field types' => array('test_field', 'hidden_test_field'),
'settings' => array('test_widget_setting' => 'dummy test string'),
),
'test_field_widget_multiple' => array(
'label' => t('Test field 1'),
'field types' => array('test_field'),
'settings' => array('test_widget_setting_multiple' => 'dummy test string'),
'behaviors' => array(
'multiple values' => FIELD_BEHAVIOR_CUSTOM,
),
),
);
}
/**
* Implements hook_field_widget_form().
*/
function field_test_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
switch ($instance['widget']['type']) {
case 'test_field_widget':
$element += array(
'#type' => 'textfield',
'#default_value' => isset($items[$delta]['value']) ? $items[$delta]['value'] : '',
);
return array('value' => $element);
case 'test_field_widget_multiple':
$values = array();
foreach ($items as $delta => $value) {
$values[] = $value['value'];
}
$element += array(
'#type' => 'textfield',
'#default_value' => implode(', ', $values),
'#element_validate' => array('field_test_widget_multiple_validate'),
);
return $element;
}
}
/**
* Form element validation handler for 'test_field_widget_multiple' widget.
*/
function field_test_widget_multiple_validate($element, &$form_state) {
$values = array_map('trim', explode(',', $element['#value']));
$items = array();
foreach ($values as $value) {
$items[] = array('value' => $value);
}
form_set_value($element, $items, $form_state);
}
/**
* Implements hook_field_widget_error().
*/
function field_test_field_widget_error($element, $error, $form, &$form_state) {
// @todo No easy way to differenciate widget types, we should receive it as a
// parameter.
if (isset($element['value'])) {
// Widget is test_field_widget.
$error_element = $element['value'];
}
else {
// Widget is test_field_widget_multiple.
$error_element = $element;
}
form_error($error_element, $error['message']);
}
/**
* Implements hook_field_widget_settings_form().
*/
function field_test_field_widget_settings_form($field, $instance) {
$widget = $instance['widget'];
$settings = $widget['settings'];
$form['test_widget_setting'] = array(
'#type' => 'textfield',
'#title' => t('Field test field widget setting'),
'#default_value' => $settings['test_widget_setting'],
'#required' => FALSE,
'#description' => t('A dummy form element to simulate field widget setting.'),
);
return $form;
}
/**
* Implements hook_field_formatter_info().
*/
function field_test_field_formatter_info() {
return array(
'field_test_default' => array(
'label' => t('Default'),
'description' => t('Default formatter'),
'field types' => array('test_field'),
'settings' => array(
'test_formatter_setting' => 'dummy test string',
),
),
'field_test_multiple' => array(
'label' => t('Multiple'),
'description' => t('Multiple formatter'),
'field types' => array('test_field'),
'settings' => array(
'test_formatter_setting_multiple' => 'dummy test string',
),
),
'field_test_with_prepare_view' => array(
'label' => t('Tests hook_field_formatter_prepare_view()'),
'field types' => array('test_field'),
'settings' => array(
'test_formatter_setting_additional' => 'dummy test string',
),
),
);
}
/**
* Implements hook_field_formatter_settings_form().
*/
function field_test_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
$display = $instance['display'][$view_mode];
$settings = $display['settings'];
$element = array();
// The name of the setting depends on the formatter type.
$map = array(
'field_test_default' => 'test_formatter_setting',
'field_test_multiple' => 'test_formatter_setting_multiple',
'field_test_with_prepare_view' => 'test_formatter_setting_additional',
);
if (isset($map[$display['type']])) {
$name = $map[$display['type']];
$element[$name] = array(
'#title' => t('Setting'),
'#type' => 'textfield',
'#size' => 20,
'#default_value' => $settings[$name],
'#required' => TRUE,
);
}
return $element;
}
/**
* Implements hook_field_formatter_settings_summary().
*/
function field_test_field_formatter_settings_summary($field, $instance, $view_mode) {
$display = $instance['display'][$view_mode];
$settings = $display['settings'];
$summary = '';
// The name of the setting depends on the formatter type.
$map = array(
'field_test_default' => 'test_formatter_setting',
'field_test_multiple' => 'test_formatter_setting_multiple',
'field_test_with_prepare_view' => 'test_formatter_setting_additional',
);
if (isset($map[$display['type']])) {
$name = $map[$display['type']];
$summary = t('@setting: @value', array('@setting' => $name, '@value' => $settings[$name]));
}
return $summary;
}
/**
* Implements hook_field_formatter_prepare_view().
*/
function field_test_field_formatter_prepare_view($entity_type, $entities, $field, $instances, $langcode, &$items, $displays) {
foreach ($items as $id => $item) {
// To keep the test non-intrusive, only act on the
// 'field_test_with_prepare_view' formatter.
if ($displays[$id]['type'] == 'field_test_with_prepare_view') {
foreach ($item as $delta => $value) {
// Don't add anything on empty values.
if ($value) {
$items[$id][$delta]['additional_formatter_value'] = $value['value'] + 1;
}
}
}
}
}
/**
* Implements hook_field_formatter_view().
*/
function field_test_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
$element = array();
$settings = $display['settings'];
switch ($display['type']) {
case 'field_test_default':
foreach ($items as $delta => $item) {
$element[$delta] = array('#markup' => $settings['test_formatter_setting'] . '|' . $item['value']);
}
break;
case 'field_test_with_prepare_view':
foreach ($items as $delta => $item) {
$element[$delta] = array('#markup' => $settings['test_formatter_setting_additional'] . '|' . $item['value'] . '|' . $item['additional_formatter_value']);
}
break;
case 'field_test_multiple':
if (!empty($items)) {
$array = array();
foreach ($items as $delta => $item) {
$array[] = $delta . ':' . $item['value'];
}
$element[0] = array('#markup' => $settings['test_formatter_setting_multiple'] . '|' . implode('|', $array));
}
break;
}
return $element;
}
/**
* Sample 'default value' callback.
*/
function field_test_default_value($entity_type, $entity, $field, $instance) {
return array(array('value' => 99));
}
/**
* Implements hook_field_access().
*/
function field_test_field_access($op, $field, $entity_type, $entity, $account) {
if ($field['field_name'] == "field_no_{$op}_access") {
return FALSE;
}
return TRUE;
}