1 <?php

     2 // $Id: taxonomy.pages.inc,v 1.9.2.1 2009/04/27 11:49:05 goba Exp $

     3 

     4 /**

     5  * @file

     6  * Page callbacks for the taxonomy module.

     7  */

     8 

     9 /**

    10  * Menu callback; displays all nodes associated with a term.

    11  */

    12 function taxonomy_term_page($str_tids = '', $depth = 0, $op = 'page') {

    13   $terms = taxonomy_terms_parse_string($str_tids);

    14   if ($terms['operator'] != 'and' && $terms['operator'] != 'or') {

    15     drupal_not_found();

    16   }

    17 

    18   if ($terms['tids']) {

    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']);

    20     $tids = array(); // we rebuild the $tids-array so it only contains terms the user has access to.

    21     $names = array();

    22     while ($term = db_fetch_object($result)) {

    23       $tids[] = $term->tid;

    24       $names[] = $term->name;

    25     }

    26 

    27     if ($names) {

    28       $title = implode(', ', $names);

    29       drupal_set_title(check_plain($title));

    30 

    31       switch ($op) {

    32         case 'page':

    33           // Build breadcrumb based on first hierarchy of first term:

    34           $current->tid = $tids[0];

    35           $breadcrumb = array();

    36           while ($parents = taxonomy_get_parents($current->tid)) {

    37             $current = array_shift($parents);

    38             $breadcrumb[] = l($current->name, 'taxonomy/term/'. $current->tid);

    39           }

    40           $breadcrumb[] = l(t('Home'), NULL);

    41           $breadcrumb = array_reverse($breadcrumb);

    42           drupal_set_breadcrumb($breadcrumb);

    43 

    44           $output = theme('taxonomy_term_page', $tids, taxonomy_select_nodes($tids, $terms['operator'], $depth, TRUE));

    45           drupal_add_feed(url('taxonomy/term/'. $str_tids .'/'. $depth .'/feed'), 'RSS - '. $title);

    46           return $output;

    47           break;

    48 

    49         case 'feed':

    50           $channel['link'] = url('taxonomy/term/'. $str_tids .'/'. $depth, array('absolute' => TRUE));

    51           $channel['title'] = variable_get('site_name', 'Drupal') .' - '. $title;

    52           // Only display the description if we have a single term, to avoid clutter and confusion.

    53           if (count($tids) == 1) {

    54             $term = taxonomy_get_term($tids[0]);

    55             // HTML will be removed from feed description, so no need to filter here.

    56             $channel['description'] = $term->description;

    57           }

    58 

    59           $result = taxonomy_select_nodes($tids, $terms['operator'], $depth, FALSE);

    60           $items = array(); 

    61           while ($row = db_fetch_object($result)) {

    62             $items[] = $row->nid;

    63           }

    64 

    65           node_feed($items, $channel);

    66           break;

    67 

    68         default:

    69           drupal_not_found();

    70       }

    71     }

    72     else {

    73       drupal_not_found();

    74     }

    75   }

    76 }

    77 

    78 /**

    79  * Render a taxonomy term page HTML output.

    80  *

    81  * @param $tids

    82  *   An array of term ids.

    83  * @param $result

    84  *   A pager_query() result, such as that performed by taxonomy_select_nodes().

    85  *

    86  * @ingroup themeable

    87  */

    88 function theme_taxonomy_term_page($tids, $result) {

    89   drupal_add_css(drupal_get_path('module', 'taxonomy') .'/taxonomy.css');

    90 

    91   $output = '';

    92 

    93   // Only display the description if we have a single term, to avoid clutter and confusion.

    94   if (count($tids) == 1) {

    95     $term = taxonomy_get_term($tids[0]);

    96     $description = $term->description;

    97 

    98     // Check that a description is set.

    99     if (!empty($description)) {

   100       $output .= '<div class="taxonomy-term-description">';

   101       $output .= filter_xss_admin($description);

   102       $output .= '</div>';

   103     }

   104   }

   105 

   106   $output .= taxonomy_render_nodes($result);

   107 

   108   return $output;

   109 }

   110 

   111 /**

   112  * Helper function for autocompletion

   113  */

   114 function taxonomy_autocomplete($vid, $string = '') {

   115   // The user enters a comma-separated list of tags. We only autocomplete the last tag.

   116   $array = drupal_explode_tags($string);

   117 

   118   // Fetch last tag

   119   $last_string = trim(array_pop($array));

   120   $matches = array();

   121   if ($last_string != '') {

   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);

   123 

   124     $prefix = count($array) ? implode(', ', $array) .', ' : '';

   125 

   126     while ($tag = db_fetch_object($result)) {

   127       $n = $tag->name;

   128       // Commas and quotes in terms are special cases, so encode 'em.

   129       if (strpos($tag->name, ',') !== FALSE || strpos($tag->name, '"') !== FALSE) {

   130         $n = '"'. str_replace('"', '""', $tag->name) .'"';

   131       }

   132       $matches[$prefix . $n] = check_plain($tag->name);

   133     }

   134   }

   135 

   136   drupal_json($matches);

   137 }