drupal/modules/taxonomy/taxonomy.pages.inc

142 lines
4.4 KiB
PHP

<?php
// $Id$
/**
* @file
* Page callbacks for the taxonomy module.
*/
/**
* Menu callback; displays all nodes associated with a term.
*
* @param $term
* The taxonomy term.
* @return
* The page content.
*/
function taxonomy_term_page($term) {
// Build breadcrumb based on the hierarchy of the term.
$current = (object) array(
'tid' => $term->tid,
);
$breadcrumb = array();
while ($parents = taxonomy_get_parents($current->tid)) {
$current = array_shift($parents);
$breadcrumb[] = l($current->name, taxonomy_term_path($current));
}
$breadcrumb[] = l(t('Home'), NULL);
$breadcrumb = array_reverse($breadcrumb);
drupal_set_breadcrumb($breadcrumb);
drupal_add_feed(url('taxonomy/term/' . $term->tid . '/feed'), 'RSS - ' . $term->name);
drupal_add_css(drupal_get_path('module', 'taxonomy') . '/taxonomy.css');
$build = array();
$build += field_attach_view('taxonomy_term', $term);
if (!empty($term->description)) {
$build['term_description'] = array(
'#markup' => filter_xss_admin($term->description),
'#weight' => -1,
'#prefix' => '<div class="taxonomy-term-description">',
'#suffix' => '</div>',
);
}
if ($nids = taxonomy_select_nodes(array($term->tid), NULL, TRUE)) {
$nodes = node_load_multiple($nids);
$build += node_build_multiple($nodes);
$build['pager'] = array(
'#markup' => theme('pager', NULL),
'#weight' => 5,
);
}
else {
$build['no_content'] = array(
'#prefix' => '<p>',
'#markup' => t('There are currently no posts in this category.'),
'#suffix' => '</p>',
);
}
return $build;
}
/**
* Generate the content feed for a taxonomy term.
*
* @param $term
* The taxonomy term.
*/
function taxonomy_term_feed($term) {
$channel['link'] = url('taxonomy/term/' . $term->tid, array('absolute' => TRUE));
$channel['title'] = variable_get('site_name', 'Drupal') . ' - ' . $term->name;
// Only display the description if we have a single term, to avoid clutter and confusion.
// HTML will be removed from feed description, so no need to filter here.
$channel['description'] = $term->description;
$nids = taxonomy_select_nodes(array($term->tid, NULL, NULL, FALSE));
node_feed($nids, $channel);
}
/**
* Page to edit a vocabulary term.
*/
function taxonomy_term_edit($term) {
if (isset($term)) {
drupal_set_title($term->name);
return drupal_get_form('taxonomy_form_term', taxonomy_vocabulary_load($term->vid), (array)$term);
}
return drupal_not_found();
}
/**
* Helper function for autocompletion
*/
function taxonomy_autocomplete($vid = 0, $tags_typed = '') {
// The user enters a comma-separated list of tags. We only autocomplete the last tag.
$tags_typed = drupal_explode_tags($tags_typed);
$tag_last = drupal_strtolower(array_pop($tags_typed));
$matches = array();
if ($tag_last != '') {
$query = db_select('taxonomy_term_data', 't');
$query->addTag('term_access');
$query->leftJoin('taxonomy_term_synonym', 'ts', 't.tid = ts.tid');
// Don't select already entered terms.
if (count($tags_typed)) {
$query->condition('t.name', $tags_typed, 'NOT IN');
}
$tags_return = $query
->fields('t', array('tid', 'name'))
->condition('t.vid', $vid)
// Select rows that either match by term or synonym name.
->condition(db_or()
->where("LOWER(t.name) LIKE :last_string", array(':last_string' => '%' . $tag_last . '%'))
->where("LOWER(ts.name) LIKE :last_string", array(':last_string' => '%' . $tag_last . '%'))
)
->range(0, 10)
->execute()
->fetchAllKeyed();
$prefix = count($tags_typed) ? implode(', ', $tags_typed) . ', ' : '';
// We use two arrays to make sure synonym suggestions appear last.
$term_matches = $synonym_matches = array();
foreach ($tags_return as $tid => $name) {
$n = $name;
// Commas and quotes in terms are special cases, so encode 'em.
if (strpos($name, ',') !== FALSE || strpos($name, '"') !== FALSE) {
$n = '"' . str_replace('"', '""', $name) . '"';
}
// Inform the user his query matched a synonym rather than a term.
if (strpos(drupal_strtolower($name), $tag_last) === FALSE) {
$name = t('Did you mean %suggestion', array('%suggestion' => $name));
$synonym_matches[$prefix . $n] = filter_xss($name);
}
else {
$term_matches[$prefix . $n] = filter_xss($name);
}
}
}
drupal_json(array_merge($term_matches, $synonym_matches));
}