533 lines
15 KiB
Plaintext
533 lines
15 KiB
Plaintext
<?php
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// $Id$
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define('FIELD_TEST_ELEMENT_ID', 1);
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define('FIELD_TEST_BUNDLE', 'test_bundle');
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/**
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* Implementation of hook_perm().
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*/
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function field_test_perm() {
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$perms = array(
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'access field_test content' => array(
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'title' => t('Access field_test content'),
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'description' => t('View published field_test content.'),
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),
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'administer field_test content' => array(
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'title' => t('Administer field_test content'),
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'description' => t('Manage field_test content'),
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),
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);
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return $perms;
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}
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/**
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* Implementation of hook_menu().
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*/
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function field_test_menu() {
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$items = array();
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$info = field_test_fieldable_info();
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foreach (array_keys($info['test_entity']['bundles']) as $bundle) {
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$bundle_url_str = str_replace('_', '-', $bundle);
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$items['test-entity/add/' . $bundle_url_str] = array(
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'title' => "Add $bundle test_entity",
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'page callback' => 'field_test_entity_add',
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'page arguments' => array(2),
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'access arguments' => array('administer field_test content'),
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'type' => MENU_NORMAL_ITEM,
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);
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}
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$items['test-entity/%field_test_entity/edit'] = array(
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'title' => 'Edit test entity',
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'page callback' => 'field_test_entity_edit',
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'page arguments' => array(1),
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'access arguments' => array('administer field_test content'),
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'type' => MENU_NORMAL_ITEM,
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);
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return $items;
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}
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/**
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*
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* 'Field attach' API.
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*
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*/
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/**
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* Define a test fieldable entity.
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*/
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function field_test_fieldable_info() {
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$bundles = variable_get('field_test_bundles', array('test_bundle' => 'Test Bundle'));
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return array(
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'test_entity' => array(
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'name' => t('Test Entity'),
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'id key' => 'ftid',
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'revision key' => 'ftvid',
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'cacheable' => FALSE,
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'bundle key' => 'fttype',
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'bundles' => $bundles,
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),
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// This entity type doesn't get form handling for now...
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'test_cacheable_entity' => array(
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'name' => t('Test Entity, cacheable'),
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'id key' => 'ftid',
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'revision key' => 'ftvid',
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'cacheable' => TRUE,
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'bundle key' => 'fttype',
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'bundles' => $bundles,
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),
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);
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}
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function field_test_create_bundle($bundle, $text) {
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$bundles = variable_get('field_test_bundles', array('test_bundle' => 'Test Bundle'));
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$bundles += array($bundle => $text);
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variable_set('field_test_bundles', $bundles);
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field_attach_create_bundle($bundle);
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}
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function field_test_rename_bundle($bundle_old, $bundle_new) {
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$bundles = variable_get('field_test_bundles', array('test_bundle' => 'Test Bundle'));
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$bundles[$bundle_new] = $bundles[$bundle_old];
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unset($bundles[$bundle_old]);
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variable_set('field_test_bundles', $bundles);
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field_attach_rename_bundle($bundle_old, $bundle_new);
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}
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function field_test_delete_bundle($bundle) {
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$bundles = variable_get('field_test_bundles', array('test_bundle' => 'Test Bundle'));
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unset($bundles[$bundle]);
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variable_set('field_test_bundles', $bundles);
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field_attach_delete_bundle($bundle);
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}
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/**
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* Implementation of hook_field_build_modes().
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*/
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function field_test_field_build_modes($obj_type) {
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$modes = array();
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if ($obj_type == 'test_entity' || $obj_type == 'test_cacheable_entity') {
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$modes = array(
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'full' => t('Full node'),
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'teaser' => t('Teaser'),
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);
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}
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return $modes;
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}
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/**
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* Helper function to create a basic 'test entity' structure.
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*
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* TODO : do we stil need this now that we can actualy load and save test_entities ?
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*/
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function field_test_create_stub_entity($id = 1, $vid = 1, $bundle = FIELD_TEST_BUNDLE) {
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$entity = new stdClass();
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// Only set id and vid properties if they don't come as NULL (creation form).
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if (isset($id)) {
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$entity->ftid = $id;
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}
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if (isset($vid)) {
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$entity->ftvid = $vid;
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}
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$entity->fttype = $bundle;
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return $entity;
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}
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function field_test_entity_load($ftid, $ftvid = NULL) {
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// Load basic strucure.
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$query = db_select('test_entity', 'fte', array())
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->fields('fte')
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->condition('ftid', $ftid);
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if ($ftvid) {
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$query->condition('ftvid', $ftvid);
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}
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$entities = $query->execute()->fetchAllAssoc('ftid');
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// Attach fields.
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if ($ftvid) {
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field_attach_load_revision('test_entity', $entities);
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}
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else {
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field_attach_load('test_entity', $entities);
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}
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return $entities[$ftid];
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}
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function field_test_entity_save(&$entity) {
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field_attach_presave('test_entity', $entity);
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$entity->is_new = FALSE;
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if (empty($entity->ftid)) {
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// Insert a new test_entity.
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$entity->is_new = TRUE;
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}
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elseif (!empty($entity->revision)) {
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$entity->old_ftvid = $entity->ftvid;
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}
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$update_entity = TRUE;
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if ($entity->is_new) {
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drupal_write_record('test_entity', $entity);
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drupal_write_record('test_entity_revision', $entity);
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$op = 'insert';
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}
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else {
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drupal_write_record('test_entity', $entity, 'ftid');
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if (!empty($entity->revision)) {
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drupal_write_record('test_entity_revision', $entity);
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}
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else {
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drupal_write_record('test_entity_revision', $entity, 'ftvid');
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$update_entity = FALSE;
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}
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$op = 'update';
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}
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if ($update_entity) {
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db_update('test_entity')
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->fields(array('ftvid' => $entity->ftvid))
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->condition('ftid', $entity->ftid)
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->execute();
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}
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// Save fields.
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$function = "field_attach_$op";
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$function('test_entity', $entity);
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}
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function field_test_entity_add($fttype) {
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$fttype = str_replace('-', '_', $fttype);
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$entity = (object)array('fttype' => $fttype);
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drupal_set_title(t('Create test_entity @bundle', array('@bundle' => $fttype)), PASS_THROUGH);
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return drupal_get_form('field_test_entity_form', $entity);
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}
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function field_test_entity_edit($entity) {
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drupal_set_title(t('test_entity @ftid revision @ftvid', array('@ftid' => $entity->ftid, '@ftvid' => $entity->ftvid)), PASS_THROUGH);
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return drupal_get_form('field_test_entity_form', $entity);
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}
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/**
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* Form to set the value of fields attached to our entity.
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*/
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function field_test_entity_form(&$form_state, $entity) {
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$form = array();
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if (isset($form_state['test_entity'])) {
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$entity = $form_state['test_entity'] + (array)$entity;
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}
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$entity = (object)$entity;
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foreach (array('ftid', 'ftvid', 'fttype') as $key) {
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$form[$key] = array(
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'#type' => 'value',
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'#value' => isset($entity->$key) ? $entity->$key : NULL,
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);
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}
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// Add field widgets.
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$form['#builder_function'] = 'field_test_entity_form_submit_builder';
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field_attach_form('test_entity', $entity, $form, $form_state);
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$form['revision'] = array(
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'#access' => user_access('administer field_test content'),
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'#type' => 'checkbox',
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'#title' => t('Create new revision'),
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'#default_value' => FALSE,
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'#weight' => 100,
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);
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Save'),
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'#weight' => 101,
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);
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return $form;
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}
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/**
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* Validate handler for field_test_set_field_values().
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*/
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function field_test_entity_form_validate($form, &$form_state) {
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$entity = field_test_create_stub_entity($form_state['values']['ftid'], $form_state['values']['ftvid'], $form_state['values']['fttype']);
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field_attach_form_validate('test_entity', $entity, $form, $form_state);
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}
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/**
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* Submit handler for field_test_set_field_values().
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*/
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function field_test_entity_form_submit($form, &$form_state) {
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$entity = field_test_entity_form_submit_builder($form, $form_state);
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$insert = empty($entity->ftid);
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field_test_entity_save($entity);
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$message = $insert ? t('test_entity @id has been created.', array('@id' => $entity->ftid)) : t('test_entity @id has been updated.', array('@id' => $entity->ftid));
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drupal_set_message($message);
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if ($entity->ftid) {
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unset($form_state['rebuild']);
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$form_state['redirect'] = 'test-entity/' . $entity->ftid . '/edit';
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}
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else {
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// Error on save.
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drupal_set_message(t('The entity could not be saved.'), 'error');
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}
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}
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/**
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* Build a test_entity by processing submitted form values and prepare for a form rebuild.
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*/
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function field_test_entity_form_submit_builder($form, &$form_state) {
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$entity = field_test_create_stub_entity($form_state['values']['ftid'], $form_state['values']['ftvid'], $form_state['values']['fttype']);
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field_attach_submit('test_entity', $entity, $form, $form_state);
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$form_state['test_entity'] = (array)$entity;
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$form_state['rebuild'] = TRUE;
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return $entity;
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}
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/**
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*
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* 'Field type' API.
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*
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*/
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/**
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* Implementation of hook_field_info().
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*
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* This field provides a textfield which only accepts the value 1.
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*/
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function field_test_field_info() {
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return array(
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'test_field' => array(
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'label' => t('Test Field'),
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'description' => t('Stores the value 1.'),
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'settings' => array('test_field_setting' => 'dummy test string'),
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'instance_settings' => array('test_instance_setting' => 'dummy test string'),
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'default_widget' => 'test_field_widget',
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'default_formatter' => 'field_test_default',
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),
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);
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}
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/**
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* Implementation of hook_field_columns().
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*/
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function field_test_field_columns($field) {
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$columns['value'] = array(
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'type' => 'int',
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'size' => 'tiny',
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'not null' => FALSE,
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);
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return $columns;
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}
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/**
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* Implementation of hook_instance_settings().
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*/
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function field_test_field_instance_settings($field_type) {
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return array('test_instance_setting' => 'dummy test string');
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}
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/**
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* Implementation of hook_field_validate().
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*
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* Possible error codes:
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* - 'field_test_invalid': The value is invalid.
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*/
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function field_test_field_validate($obj_type, $object, $field, $instance, $items, &$errors) {
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foreach ($items as $delta => $item) {
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if ($item['value'] == -1) {
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$errors[$field['field_name']][$delta][] = array(
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'error' => 'field_test_invalid',
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'message' => t('%name does not accept the value -1.', array('%name' => $instance['label'])),
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);
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}
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}
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}
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/**
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* Implementation of hook_field_sanitize().
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*/
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function field_test_field_sanitize($obj_type, $object, $field, $instance, &$items) {
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foreach ($items as $delta => $item) {
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$value = check_plain($item['value']);
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$items[$delta]['safe'] = $value;
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}
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}
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/**
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* Implementation of hook_field_is_empty().
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*/
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function field_test_field_is_empty($item, $field) {
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return empty($item['value']);
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}
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/**
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* Implementation of hook_field_widget_info().
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*
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* Here we indicate that the content module will handle
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* the default value and multiple values for these widgets.
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*
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* Callbacks can be omitted if default handing is used.
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* They're included here just so this module can be used
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* as an example for custom modules that might do things
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* differently.
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*/
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function field_test_field_widget_info() {
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return array(
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'test_field_widget' => array(
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'label' => t('Test field'),
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'field types' => array('test_field'),
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'settings' => array('test_widget_setting' => 'dummy test string'),
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'behaviors' => array(
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'multiple values' => FIELD_BEHAVIOR_DEFAULT,
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'default value' => FIELD_BEHAVIOR_DEFAULT,
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),
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),
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'test_field_widget_multiple' => array(
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'label' => t('Test field 1'),
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'field types' => array('test_field'),
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'settings' => array('test_widget_setting_multiple' => 'dummy test string'),
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'behaviors' => array(
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'multiple values' => FIELD_BEHAVIOR_CUSTOM,
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'default value' => FIELD_BEHAVIOR_DEFAULT,
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),
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),
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);
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}
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/**
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* Implementation of hook_field_widget().
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*
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* Attach a single form element to the form. It will be built out and
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* validated in the callback(s) listed in hook_elements. We build it
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* out in the callbacks rather than here in hook_widget so it can be
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* plugged into any module that can provide it with valid
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* $field information.
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*
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* Content module will set the weight, field name and delta values
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* for each form element. This is a change from earlier CCK versions
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* where the widget managed its own multiple values.
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*
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* If there are multiple values for this field, the content module will
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* call this function as many times as needed.
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*
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* @param $form
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* the entire form array, $form['#node'] holds node information
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* @param $form_state
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* the form_state, $form_state['values'][$field['field_name']]
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* holds the field's form values.
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* @param $field
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* The field structure.
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* @param $insatnce
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* the insatnce array
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* @param $items
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* array of default values for this field
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* @param $delta
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* the order of this item in the array of subelements (0, 1, 2, etc)
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*
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* @return
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* the form item for a single element for this field
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*/
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function field_test_field_widget(&$form, &$form_state, $field, $instance, $items, $delta = 0) {
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$element = array(
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'value' => array(
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'#title' => $instance['label'],
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'#type' => 'textfield',
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'#default_value' => isset($items[$delta]['value']) ? $items[$delta]['value'] : '',
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'#required' => $instance['required'],
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),
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);
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return $element;
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}
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/**
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* Implementation of hook_field_widget_error().
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*/
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function field_test_field_widget_error($element, $error) {
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form_error($element['value'], $error['message']);
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}
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/**
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* Implementation of hook_field_formatter_info().
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*/
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function field_test_field_formatter_info() {
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return array(
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'field_test_default' => array(
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'label' => t('Default'),
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'field types' => array('test_field'),
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'settings' => array(
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'test_formatter_setting' => 'dummy test string',
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),
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'behaviors' => array(
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'multiple values' => FIELD_BEHAVIOR_DEFAULT,
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),
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),
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'field_test_multiple' => array(
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'label' => t('Default'),
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'field types' => array('test_field'),
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'settings' => array(
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'test_formatter_setting_multiple' => 'dummy test string',
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),
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'behaviors' => array(
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'multiple values' => FIELD_BEHAVIOR_CUSTOM,
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),
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),
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);
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}
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/**
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* Implementation of hook_theme().
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*/
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function field_test_theme() {
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return array(
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'field_formatter_field_test_default' => array(
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'arguments' => array('element' => NULL),
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),
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'field_formatter_field_test_multiple' => array(
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'arguments' => array('element' => NULL),
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),
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);
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}
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/**
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* Theme function for 'field_test_default' formatter.
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*/
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function theme_field_formatter_field_test_default($element) {
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$value = $element['#item']['value'];
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$settings = $element['#settings'];
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return $settings['test_formatter_setting'] . '|' . $value;
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}
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/**
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* Theme function for 'field_test_multiple' formatter.
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*/
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function theme_field_formatter_field_test_multiple($element) {
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$settings = $element['#settings'];
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$items = array();
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foreach (element_children($element) as $key) {
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$items[$key] = $key .':'. $element[$key]['#item']['value'];
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}
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$output = implode('|', $items);
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return $settings['test_formatter_setting_multiple'] . '|' . $output;
|
|
}
|
|
|
|
/**
|
|
* Sample function to test default value assignment.
|
|
*/
|
|
function field_test_default_value($obj_type, $object, $field, $instance) {
|
|
return array(array('value' => 99));
|
|
} |