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<?php
// $Id$
/**
* @file
* Page callbacks for the taxonomy module.
*/
/**
* Menu callback; displays all nodes associated with a term.
*/
function taxonomy_term_page($str_tids = '', $depth = 0, $op = 'page') {
$terms = taxonomy_terms_parse_string($str_tids);
if ($terms['operator'] != 'and' && $terms['operator'] != 'or') {
drupal_not_found();
}
if ($terms['tids']) {
$result = db_query(db_rewrite_sql('SELECT t.tid, t.name FROM {term_data} t WHERE t.tid IN (' . db_placeholders($terms['tids']) . ')', 't', 'tid'), $terms['tids']);
$tids = array(); // we rebuild the $tids-array so it only contains terms the user has access to.
$names = array();
while ($term = db_fetch_object($result)) {
$tids[] = $term->tid;
$names[] = $term->name;
}
if ($names) {
$title = check_plain(implode(', ', $names));
drupal_set_title($title);
switch ($op) {
case 'page':
// Build breadcrumb based on first hierarchy of first term:
$current->tid = $tids[0];
$breadcrumb = array();
while ($parents = taxonomy_get_parents($current->tid)) {
$current = array_shift($parents);
$breadcrumb[] = l($current->name, 'taxonomy/term/' . $current->tid);
}
$breadcrumb[] = l(t('Home'), NULL);
$breadcrumb = array_reverse($breadcrumb);
drupal_set_breadcrumb($breadcrumb);
$output = theme('taxonomy_term_page', $tids, taxonomy_select_nodes($tids, $terms['operator'], $depth, TRUE));
drupal_add_feed(url('taxonomy/term/' . $str_tids . '/' . $depth . '/feed'), 'RSS - ' . $title);
return $output;
break;
case 'feed':
$channel['link'] = url('taxonomy/term/' . $str_tids . '/' . $depth, array('absolute' => TRUE));
$channel['title'] = variable_get('site_name', 'Drupal') . ' - ' . $title;
// Only display the description if we have a single term, to avoid clutter and confusion.
if (count($tids) == 1) {
$term = taxonomy_get_term($tids[0]);
// HTML will be removed from feed description, so no need to filter here.
$channel['description'] = $term->description;
}
$result = taxonomy_select_nodes($tids, $terms['operator'], $depth, FALSE);
$items = array();
while ($row = db_fetch_object($result)) {
$items[] = $row->nid;
}
node_feed($items, $channel);
break;
default:
drupal_not_found();
}
}
else {
drupal_not_found();
}
}
}
/**
* Render a taxonomy term page HTML output.
*
* @param $tids
* An array of term ids.
* @param $result
* A pager_query() result, such as that performed by taxonomy_select_nodes().
*
* @ingroup themeable
*/
function theme_taxonomy_term_page($tids, $result) {
drupal_add_css(drupal_get_path('module', 'taxonomy') . '/taxonomy.css');
$output = '';
// Only display the description if we have a single term, to avoid clutter and confusion.
if (count($tids) == 1) {
$term = taxonomy_get_term($tids[0]);
$description = $term->description;
// Check that a description is set.
if (!empty($description)) {
$output .= '<div class="taxonomy-term-description">';
$output .= filter_xss_admin($description);
$output .= '</div>';
}
}
$output .= taxonomy_render_nodes($result);
return $output;
}
/**
* Helper function for autocompletion
*/
function taxonomy_autocomplete($vid, $string = '') {
// The user enters a comma-separated list of tags. We only autocomplete the last tag.
$array = drupal_explode_tags($string);
// Fetch last tag
$last_string = trim(array_pop($array));
$matches = array();
if ($last_string != '') {
$result = db_query_range(db_rewrite_sql("SELECT t.tid, t.name FROM {term_data} t WHERE t.vid = %d AND LOWER(t.name) LIKE LOWER('%%%s%%')", 't', 'tid'), $vid, $last_string, 0, 10);
$prefix = count($array) ? implode(', ', $array) . ', ' : '';
while ($tag = db_fetch_object($result)) {
$n = $tag->name;
// Commas and quotes in terms are special cases, so encode 'em.
if (strpos($tag->name, ',') !== FALSE || strpos($tag->name, '"') !== FALSE) {
$n = '"' . str_replace('"', '""', $tag->name) . '"';
}
$matches[$prefix . $n] = check_plain($tag->name);
}
}
drupal_json($matches);
}
|
