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<?php
// $Id$
/**
* @file
* Hooks provided by the Taxonomy module.
*/
/**
* @addtogroup hooks
* @{
*/
/**
* Act on taxonomy vocabularies when loaded.
*
* Modules implementing this hook can act on the vocabulary object returned by
* taxonomy_vocabulary_load().
*
* @param $vocabulary
* A taxonomy vocabulary object.
*/
function hook_taxonomy_vocabulary_load($vocabularies) {
foreach ($vocabularies as $vocabulary) {
$vocabulary->synonyms = variable_get('taxonomy_' . $vocabulary->vid . '_synonyms', FALSE);
}
}
/**
* Act on taxonomy vocabularies when inserted.
*
* Modules implementing this hook can act on the vocabulary object when saved
* to the database.
*
* @param $vocabulary
* A taxonomy vocabulary object.
*/
function hook_taxonomy_vocabulary_insert($vocabulary) {
if ($vocabulary->synonyms) {
variable_set('taxonomy_' . $vocabulary->vid . '_synonyms', TRUE);
}
}
/**
* Act on taxonomy vocabularies when updated.
*
* Modules implementing this hook can act on the term object when updated.
*
* @param $term
* A taxonomy term object, passed by reference.
*/
function hook_taxonomy_vocabulary_update($term) {
$status = $vocabulary->synonyms ? TRUE : FALSE;
if ($vocabulary->synonyms) {
variable_set('taxonomy_' . $vocabulary->vid . '_synonyms', $status);
}
}
/**
* Respond to the deletion of taxonomy vocabularies.
*
* Modules implementing this hook can respond to the deletion of taxonomy
* vocabularies from the database.
*
* @param $vocabulary
* A taxonomy vocabulary object.
*/
function hook_taxonomy_vocabulary_delete($vocabulary) {
if (variable_get('taxonomy_' . $vocabulary->vid . '_synonyms', FALSE)) {
variable_del('taxonomy_' . $vocabulary->vid . '_synonyms');
}
}
/**
* Act on taxonomy terms when loaded.
*
* Modules implementing this hook can act on the term object returned by
* taxonomy_term_load().
* For performance reasons, information to be added to term objects should be
* loaded in a single query for all terms where possible.
*
* Since terms are stored and retrieved from cache during a page request, avoid
* altering properties provided by the {taxonomy_term_data} table, since this may
* affect the way results are loaded from cache in subsequent calls.
*
* @param $terms
* An array of term objects, indexed by tid.
*/
function hook_taxonomy_term_load($terms) {
$result = db_query('SELECT tid, foo FROM {mytable} WHERE tid IN (:tids)', array(':tids' => array_keys($terms)));
foreach ($result as $record) {
$terms[$record->tid]->foo = $record->foo;
}
}
/**
* Act on taxonomy terms when inserted.
*
* Modules implementing this hook can act on the term object when saved to
* the database.
*
* @param $term
* A taxonomy term object.
*/
function hook_taxonomy_term_insert($term) {
if (!empty($term->synonyms)) {
foreach (explode ("\n", str_replace("\r", '', $term->synonyms)) as $synonym) {
if ($synonym) {
db_insert('taxonomy_term_synonym')
->fields(array(
'tid' => $term->tid,
'name' => rtrim($synonym),
))
->execute();
}
}
}
}
/**
* Act on taxonomy terms when updated.
*
* Modules implementing this hook can act on the term object when updated.
*
* @param $term
* A taxonomy term object.
*/
function hook_taxonomy_term_update($term) {
hook_taxonomy_term_delete($term);
if (!empty($term->synonyms)) {
foreach (explode ("\n", str_replace("\r", '', $term->synonyms)) as $synonym) {
if ($synonym) {
db_insert('taxonomy_term_synonym')
->fields(array(
'tid' => $term->tid,
'name' => rtrim($synonym),
))
->execute();
}
}
}
}
/**
* Respond to the deletion of taxonomy terms.
*
* Modules implementing this hook can respond to the deletion of taxonomy
* terms from the database.
*
* @param $term
* A taxonomy term object.
*/
function hook_taxonomy_term_delete($term) {
db_delete('term_synoynm')->condition('tid', $term->tid)->execute();
}
/**
* @} End of "addtogroup hooks".
*/
|
