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