/[drupal]/contributions/modules/taxonomy_hide/taxonomy_hide.module
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revision 1.7 by davidlesieur, Fri Aug 3 16:29:37 2007 UTC revision 1.8 by davidlesieur, Fri Aug 3 16:35:01 2007 UTC
# Line 1  Line 1 
1  <?php  <?php
2    // $Id: taxonomy_hide.module,v 1.7 2007/08/03 16:29:37 davidlesieur Exp $
3    
4  /* $Id$ */  /**
5     * Implementation of hook_menu().
6     */
7  function taxonomy_hide_menu($may_cache) {  function taxonomy_hide_menu($may_cache) {
8    $items = array();    $items = array();
9    if ($may_cache) {    if ($may_cache) {
# Line 19  function taxonomy_hide_menu($may_cache) Line 20  function taxonomy_hide_menu($may_cache)
20    return $items;    return $items;
21  }  }
22    
23    /**
24     * Implementation of hook_help().
25     */
26  function taxonomy_hide_help($section) {  function taxonomy_hide_help($section) {
27    $output = '';    $output = '';
28    switch ($section) {    switch ($section) {
# Line 42  function taxonomy_hide_help($section) { Line 45  function taxonomy_hide_help($section) {
45    return $output;    return $output;
46  }  }
47    
48    /**
49     * Menu callback for administration settings.
50     */
51  function taxonomy_hide_admin_settings() {  function taxonomy_hide_admin_settings() {
52    $form = array();    $form = array();
53    $form['taxonomy_hide'] = array(    $form['taxonomy_hide'] = array(
# Line 57  function taxonomy_hide_admin_settings() Line 63  function taxonomy_hide_admin_settings()
63      '#weight' => -1,      '#weight' => -1,
64    );    );
65    
66    # Note that the settings will be saved as an array whose keys are    // Note that the settings will be saved as an array whose keys are the
67    # the vocabulary ids ($vid) and whose values are 0 (disabled) or    // vocabulary ids ($vid) and whose values are 0 (disabled) or $vid (enabled).
68    # $vid (enabled).    //
69    # The default_value should be an array whose values are the enabled    // The default_value should be an array whose values are the enabled
70    # vocabulary ids.    // vocabulary ids.
71    # The options should be an array whose keys are the vocabulary ids,    //
72    # and whose values are the names of the vocabularies.    // The options should be an array whose keys are the vocabulary ids, and whose
73      // values are the names of the vocabularies.
74    $select = array();    $select = array();
75    $vocabularies = taxonomy_get_vocabularies();    $vocabularies = taxonomy_get_vocabularies();
76    foreach ($vocabularies as $vocabulary) {    foreach ($vocabularies as $vocabulary) {
# Line 82  function taxonomy_hide_admin_settings() Line 89  function taxonomy_hide_admin_settings()
89    return system_settings_form($form);    return system_settings_form($form);
90  }  }
91    
92    /**
93     * Implementation of hook_nodeapi().
94     */
95  function taxonomy_hide_nodeapi(&$node, $op, $arg = 0, $arg2 = 0) {  function taxonomy_hide_nodeapi(&$node, $op, $arg = 0, $arg2 = 0) {
96    switch ($op) {    switch ($op) {
97      case 'view':      case 'view':
98        # Get all hidden vocabularies; keys of $hidden are the vocabulary ids.        // Get all hidden vocabularies; keys of $hidden are the vocabulary ids.
99        $hidden = array_filter(variable_get('taxonomy_hide_vocabularies', array()));        $hidden = array_filter(variable_get('taxonomy_hide_vocabularies', array()));
100        if (count($hidden) && !empty($node->taxonomy)) {        if (count($hidden) && !empty($node->taxonomy)) {
101          # Hide terms by removing them from the taxonomy field          // Hide terms by removing them from the taxonomy field
102          foreach ($node->taxonomy as $key => $value) {          foreach ($node->taxonomy as $key => $value) {
103            if (array_key_exists($value->vid, $hidden)) {            if (array_key_exists($value->vid, $hidden)) {
104              unset($node->taxonomy[$key]);              unset($node->taxonomy[$key]);
# Line 97  function taxonomy_hide_nodeapi(&$node, $ Line 106  function taxonomy_hide_nodeapi(&$node, $
106          }          }
107        }        }
108        if (variable_get('taxonomy_hide_group_by_vocabulary', 0)) {        if (variable_get('taxonomy_hide_group_by_vocabulary', 0)) {
109          # Sort terms by sorting the taxonomy field          // Sort terms by sorting the taxonomy field
110          usort($node->taxonomy, "_taxonomy_hide_sort");          usort($node->taxonomy, "_taxonomy_hide_sort");
111        }        }
112        break;        break;
# Line 105  function taxonomy_hide_nodeapi(&$node, $ Line 114  function taxonomy_hide_nodeapi(&$node, $
114    return;    return;
115  }  }
116    
117  # Comparison function for the usort of vocabulary terms.  /**
118     * Comparison function for the usort of vocabulary terms.
119     */
120  function _taxonomy_hide_sort($a, $b) {  function _taxonomy_hide_sort($a, $b) {
121    # Cache the extra vocabulary information (we need the vocabulary weight)    // Cache the extra vocabulary information (we need the vocabulary weight)
122    static $vocs = array();    static $vocs = array();
123    if (!array_key_exists($a->vid, $vocs)) {    if (!array_key_exists($a->vid, $vocs)) {
124      $vocs[$a->vid] = taxonomy_get_vocabulary($a->vid);      $vocs[$a->vid] = taxonomy_get_vocabulary($a->vid);
# Line 116  function _taxonomy_hide_sort($a, $b) { Line 127  function _taxonomy_hide_sort($a, $b) {
127      $vocs[$b->vid] = taxonomy_get_vocabulary($b->vid);      $vocs[$b->vid] = taxonomy_get_vocabulary($b->vid);
128    }    }
129    
130    # Compare first by vocabulary weight, next by vocabulary id, next by    // Compare first by vocabulary weight, next by vocabulary id, next by term
131    # term weight, next by term name, and finally by term id.    // weight, next by term name, and finally by term id. This is the same order
132    # This is the same order as used by taxonomy_node_get_terms, except that    // as used by taxonomy_node_get_terms, except that we group by vocabulary too.
   # we group by vocabulary too.  
133    if ($vocs[$a->vid]->weight < $vocs[$b->vid]->weight) {    if ($vocs[$a->vid]->weight < $vocs[$b->vid]->weight) {
134      return -1;      return -1;
135    }    }
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