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annotate modules/taxonomy/taxonomy.pages.inc @ 1:c1f4ac30525a 6.0

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Drupal 6.0
author Franck Deroche <webmaster@defr.org>
date Tue, 23 Dec 2008 14:28:28 +0100
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webmaster@1 1 <?php
webmaster@1 2 // $Id: taxonomy.pages.inc,v 1.9 2008/01/18 16:23:57 goba Exp $
webmaster@1 3
webmaster@1 4 /**
webmaster@1 5 * @file
webmaster@1 6 * Page callbacks for the taxonomy module.
webmaster@1 7 */
webmaster@1 8
webmaster@1 9 /**
webmaster@1 10 * Menu callback; displays all nodes associated with a term.
webmaster@1 11 */
webmaster@1 12 function taxonomy_term_page($str_tids = '', $depth = 0, $op = 'page') {
webmaster@1 13 $terms = taxonomy_terms_parse_string($str_tids);
webmaster@1 14 if ($terms['operator'] != 'and' && $terms['operator'] != 'or') {
webmaster@1 15 drupal_not_found();
webmaster@1 16 }
webmaster@1 17
webmaster@1 18 if ($terms['tids']) {
webmaster@1 19 $result = db_query(db_rewrite_sql('SELECT t.tid, t.name FROM {term_data} t WHERE t.tid IN ('. db_placeholders($terms['tids']) .')', 't', 'tid'), $terms['tids']);
webmaster@1 20 $tids = array(); // we rebuild the $tids-array so it only contains terms the user has access to.
webmaster@1 21 $names = array();
webmaster@1 22 while ($term = db_fetch_object($result)) {
webmaster@1 23 $tids[] = $term->tid;
webmaster@1 24 $names[] = $term->name;
webmaster@1 25 }
webmaster@1 26
webmaster@1 27 if ($names) {
webmaster@1 28 $title = check_plain(implode(', ', $names));
webmaster@1 29 drupal_set_title($title);
webmaster@1 30
webmaster@1 31 switch ($op) {
webmaster@1 32 case 'page':
webmaster@1 33 // Build breadcrumb based on first hierarchy of first term:
webmaster@1 34 $current->tid = $tids[0];
webmaster@1 35 $breadcrumb = array();
webmaster@1 36 while ($parents = taxonomy_get_parents($current->tid)) {
webmaster@1 37 $current = array_shift($parents);
webmaster@1 38 $breadcrumb[] = l($current->name, 'taxonomy/term/'. $current->tid);
webmaster@1 39 }
webmaster@1 40 $breadcrumb[] = l(t('Home'), NULL);
webmaster@1 41 $breadcrumb = array_reverse($breadcrumb);
webmaster@1 42 drupal_set_breadcrumb($breadcrumb);
webmaster@1 43
webmaster@1 44 $output = theme('taxonomy_term_page', $tids, taxonomy_select_nodes($tids, $terms['operator'], $depth, TRUE));
webmaster@1 45 drupal_add_feed(url('taxonomy/term/'. $str_tids .'/'. $depth .'/feed'), 'RSS - '. $title);
webmaster@1 46 return $output;
webmaster@1 47 break;
webmaster@1 48
webmaster@1 49 case 'feed':
webmaster@1 50 $channel['link'] = url('taxonomy/term/'. $str_tids .'/'. $depth, array('absolute' => TRUE));
webmaster@1 51 $channel['title'] = variable_get('site_name', 'Drupal') .' - '. $title;
webmaster@1 52 // Only display the description if we have a single term, to avoid clutter and confusion.
webmaster@1 53 if (count($tids) == 1) {
webmaster@1 54 $term = taxonomy_get_term($tids[0]);
webmaster@1 55 // HTML will be removed from feed description, so no need to filter here.
webmaster@1 56 $channel['description'] = $term->description;
webmaster@1 57 }
webmaster@1 58
webmaster@1 59 $result = taxonomy_select_nodes($tids, $terms['operator'], $depth, FALSE);
webmaster@1 60 $items = array();
webmaster@1 61 while ($row = db_fetch_object($result)) {
webmaster@1 62 $items[] = $row->nid;
webmaster@1 63 }
webmaster@1 64
webmaster@1 65 node_feed($items, $channel);
webmaster@1 66 break;
webmaster@1 67
webmaster@1 68 default:
webmaster@1 69 drupal_not_found();
webmaster@1 70 }
webmaster@1 71 }
webmaster@1 72 else {
webmaster@1 73 drupal_not_found();
webmaster@1 74 }
webmaster@1 75 }
webmaster@1 76 }
webmaster@1 77
webmaster@1 78 /**
webmaster@1 79 * Render a taxonomy term page HTML output.
webmaster@1 80 *
webmaster@1 81 * @param $tids
webmaster@1 82 * An array of term ids.
webmaster@1 83 * @param $result
webmaster@1 84 * A pager_query() result, such as that performed by taxonomy_select_nodes().
webmaster@1 85 *
webmaster@1 86 * @ingroup themeable
webmaster@1 87 */
webmaster@1 88 function theme_taxonomy_term_page($tids, $result) {
webmaster@1 89 drupal_add_css(drupal_get_path('module', 'taxonomy') .'/taxonomy.css');
webmaster@1 90
webmaster@1 91 $output = '';
webmaster@1 92
webmaster@1 93 // Only display the description if we have a single term, to avoid clutter and confusion.
webmaster@1 94 if (count($tids) == 1) {
webmaster@1 95 $term = taxonomy_get_term($tids[0]);
webmaster@1 96 $description = $term->description;
webmaster@1 97
webmaster@1 98 // Check that a description is set.
webmaster@1 99 if (!empty($description)) {
webmaster@1 100 $output .= '<div class="taxonomy-term-description">';
webmaster@1 101 $output .= filter_xss_admin($description);
webmaster@1 102 $output .= '</div>';
webmaster@1 103 }
webmaster@1 104 }
webmaster@1 105
webmaster@1 106 $output .= taxonomy_render_nodes($result);
webmaster@1 107
webmaster@1 108 return $output;
webmaster@1 109 }
webmaster@1 110
webmaster@1 111 /**
webmaster@1 112 * Helper function for autocompletion
webmaster@1 113 */
webmaster@1 114 function taxonomy_autocomplete($vid, $string = '') {
webmaster@1 115 // The user enters a comma-separated list of tags. We only autocomplete the last tag.
webmaster@1 116 $array = drupal_explode_tags($string);
webmaster@1 117
webmaster@1 118 // Fetch last tag
webmaster@1 119 $last_string = trim(array_pop($array));
webmaster@1 120 $matches = array();
webmaster@1 121 if ($last_string != '') {
webmaster@1 122 $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);
webmaster@1 123
webmaster@1 124 $prefix = count($array) ? implode(', ', $array) .', ' : '';
webmaster@1 125
webmaster@1 126 while ($tag = db_fetch_object($result)) {
webmaster@1 127 $n = $tag->name;
webmaster@1 128 // Commas and quotes in terms are special cases, so encode 'em.
webmaster@1 129 if (strpos($tag->name, ',') !== FALSE || strpos($tag->name, '"') !== FALSE) {
webmaster@1 130 $n = '"'. str_replace('"', '""', $tag->name) .'"';
webmaster@1 131 }
webmaster@1 132 $matches[$prefix . $n] = check_plain($tag->name);
webmaster@1 133 }
webmaster@1 134 }
webmaster@1 135
webmaster@1 136 drupal_json($matches);
webmaster@1 137 }