/[drupal]/contributions/modules/taxonomy_breadcrumb/taxonomy_breadcrumb.inc
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Diff of /contributions/modules/taxonomy_breadcrumb/taxonomy_breadcrumb.inc

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revision 1.1.2.1, Fri Mar 13 16:46:03 2009 UTC revision 1.1.2.2, Fri Apr 24 02:51:41 2009 UTC
# Line 1  Line 1 
1  <?php  <?php
2  // $Id: taxonomy_breadcrumb.inc,v 1.1 2009/01/12 02:19:26 mgn Exp $  // $Id: $
3    
4  /**  /**
5   * @file   * @file
# Line 14  Line 14 
14   * in the system table and is set in taxonomy_breadcrumb.install).   * in the system table and is set in taxonomy_breadcrumb.install).
15   */   */
16  function _taxonomy_breadcrumb_term_page($str_tids = '', $depth = 0, $op = 'page') {  function _taxonomy_breadcrumb_term_page($str_tids = '', $depth = 0, $op = 'page') {
17    // Include the .inc file with all helper functions    static $callback = array();
18    require_once(drupal_get_path('module', 'taxonomy') .'/taxonomy.pages.inc');    if (empty($callback)) {
19        $callback = variable_get('taxonomy_breadcrumb_override_callback', array() );
20    // Call the core taxonomy_term_page function      if (!empty($callback)) {
21    $output = taxonomy_term_page($str_tids, $depth, $op);        $require_path = isset($callback['file path']) ? $callback['file path'] : drupal_get_path('module', $callback['module']);
22          require_once($require_path .'/'. $callback['file']);
23        }
24        else {
25          // Default to core taxonomy_term_page callback.
26          // Include the .inc file with all helper functions.
27          require_once(drupal_get_path('module', 'taxonomy') .'/taxonomy.pages.inc');
28        }
29      }
30      if (isset($callback['page callback'])) {
31        $func = $callback['page callback'];
32        // Assume that any function overriding the core taxonomy function would have the same parameters.
33        $output = $func($str_tids, $depth, $op);
34      }
35      else {
36        // Call the core taxonomy_term_page function.
37        $output = taxonomy_term_page($str_tids, $depth, $op);
38      }
39    
40    // Use first term to generate breadcrumb trail    // Use first term to generate breadcrumb trail.
41    $terms = taxonomy_terms_parse_string($str_tids);    $terms = taxonomy_terms_parse_string($str_tids);
42    $breadcrumb = _taxonomy_breadcrumb_generate_breadcrumb($terms['tids'][0], TRUE);    $breadcrumb = _taxonomy_breadcrumb_generate_breadcrumb($terms['tids'][0], TRUE);
43    drupal_set_breadcrumb($breadcrumb);    drupal_set_breadcrumb($breadcrumb);
# Line 33  function _taxonomy_breadcrumb_term_page( Line 50  function _taxonomy_breadcrumb_term_page(
50   * lightest vocab for the node.   * lightest vocab for the node.
51   */   */
52  function _taxonomy_breadcrumb_node_get_lightest_term($nid) {  function _taxonomy_breadcrumb_node_get_lightest_term($nid) {
53    // We only want the first row of the result--this is the lightest term of the  
54    // lightest vocab.  This query should be the same as the query found in  /* We only want the first row of the result--this is the lightest term of the
55    // taxonomy_node_get_terms.   * lightest vocab.  This query should be the same as the query found in
56     * taxonomy_node_get_terms.
57     */
58    $result = db_query(db_rewrite_sql('SELECT t.* FROM {term_node} r INNER JOIN {term_data} t ON r.tid = t.tid INNER JOIN {vocabulary} v ON t.vid = v.vid WHERE r.nid = %d ORDER BY v.weight, t.weight, t.name', 't', 'tid'), $nid);    $result = db_query(db_rewrite_sql('SELECT t.* FROM {term_node} r INNER JOIN {term_data} t ON r.tid = t.tid INNER JOIN {vocabulary} v ON t.vid = v.vid WHERE r.nid = %d ORDER BY v.weight, t.weight, t.name', 't', 'tid'), $nid);
59    $term = db_fetch_object($result);  // extract first row of query    // Extract the first row of query.
60      $term = db_fetch_object($result);
61    return $term;    return $term;
62  }  }
63    
# Line 75  function _taxonomy_breadcrumb_generate_b Line 95  function _taxonomy_breadcrumb_generate_b
95    
96    $term = taxonomy_get_term($tid);    $term = taxonomy_get_term($tid);
97    
98    // HOME breadcrumb generation    // Generate the HOME breadcrumb.
99    $home_text = variable_get('taxonomy_breadcrumb_home', '');    $home_text = variable_get('taxonomy_breadcrumb_home', '');
100    if ($home_text != '') {    if ($home_text != '') {
101      $breadcrumb[] = l(t($home_text), NULL);      $breadcrumb[] = l(t($home_text), NULL);
102    }    }
103    // VOCABULARY breadcrumb generation    // Generate the VOCABULARY breadcrumb.
104    $vocabulary_path = _taxonomy_breadcrumb_get_vocabulary_path($term->vid);    $vocabulary_path = _taxonomy_breadcrumb_get_vocabulary_path($term->vid);
105    if ($vocabulary_path != NULL) {    if ($vocabulary_path != NULL) {
106      $vocabulary = taxonomy_vocabulary_load($term->vid);      $vocabulary = taxonomy_vocabulary_load($term->vid);
107      $breadcrumb[] = l(_taxonomy_breadcrumb_tt("taxonomy:vocabulary:$term->tid:name", $vocabulary->name), $vocabulary_path);      $breadcrumb[] = l(_taxonomy_breadcrumb_tt("taxonomy:vocabulary:$term->tid:name", $vocabulary->name), $vocabulary_path);
108    }    }
109    
110    // TERM breadcrumb generation    // Generate the TERM breadcrumb.
111    $parent_terms = array_reverse(taxonomy_get_parents_all($tid));    $parent_terms = array_reverse(taxonomy_get_parents_all($tid));
112    foreach ($parent_terms as $parent_term) {    foreach ($parent_terms as $parent_term) {
113      $term_path = _taxonomy_breadcrumb_get_term_path($parent_term->tid);      $term_path = _taxonomy_breadcrumb_get_term_path($parent_term->tid);
# Line 103  function _taxonomy_breadcrumb_generate_b Line 123  function _taxonomy_breadcrumb_generate_b
123      }      }
124    }    }
125    
126    // Remove current TERM from end of breadcrumb trail    // Optionally remove the current TERM from end of breadcrumb trail.
127    if (!variable_get('taxonomy_breadcrumb_show_current_term', TRUE) && !is_null($breadcrumb)) {    if (!variable_get('taxonomy_breadcrumb_show_current_term', TRUE) && !is_null($breadcrumb)) {
128        array_pop($breadcrumb);        array_pop($breadcrumb);
129    }    }
130    return $breadcrumb;    return $breadcrumb;
   
131  }  }
132    
   
133  /**  /**
134   * Helper function for when i18ntaxonomy module is not installed.   * Helper function for when i18ntaxonomy module is not installed.
135   */   */
136    
137  function _taxonomy_breadcrumb_tt($string_id, $default, $language = NULL) {  function _taxonomy_breadcrumb_tt($string_id, $default, $language = NULL) {
   
138    return function_exists('tt') ? tt($string_id, $default, $language) : $default;    return function_exists('tt') ? tt($string_id, $default, $language) : $default;
139  }  }
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