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

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revision 1.7.2.1, Fri Mar 13 16:46:03 2009 UTC revision 1.7.2.2, Fri Apr 24 02:51:41 2009 UTC
# Line 1  Line 1 
1  <?php  <?php
2  // $Id: taxonomy_breadcrumb.module,v 1.7 2009/01/12 02:19:26 mgn Exp $.  // $Id: $
3    
4  /**  /**
5   * @file   * @file
# Line 43  define('TAXONOMY_BREADCRUMB_NODE_TYPES_D Line 43  define('TAXONOMY_BREADCRUMB_NODE_TYPES_D
43   */   */
44  function taxonomy_breadcrumb_menu() {  function taxonomy_breadcrumb_menu() {
45    $items['admin/settings/taxonomy-breadcrumb'] = array(    $items['admin/settings/taxonomy-breadcrumb'] = array(
46      'title' => 'Taxonomy Breadcrumb',      'title'            => 'Taxonomy Breadcrumb',
47      'description' => 'Configure how taxonomy based breadcrumbs are displayed.',      'description'      => 'Configure how taxonomy based breadcrumbs are displayed.',
48      'file'              => 'taxonomy_breadcrumb.admin.inc',      'file'             => 'taxonomy_breadcrumb.admin.inc',
49      'page callback' => 'drupal_get_form',      'page callback'    => 'drupal_get_form',
50      'page arguments' => array('taxonomy_breadcrumb_admin_settings'),      'page arguments'   => array('taxonomy_breadcrumb_admin_settings'),
51      'access callback' => 'user_access',      'access callback'  => 'user_access',
52      'access arguments' => array('administer site configuration'),      'access arguments' => array('administer site configuration'),
53      'type' => MENU_NORMAL_ITEM, // optional      'type'             => MENU_NORMAL_ITEM,
   );  
   
   // Similiar to core menu item in taxonomy_menu, except callback is different  
   $items['taxonomy/term/%'] = array(  
     'title' => 'Taxonomy term',  
     'file'              => 'taxonomy_breadcrumb.inc',  
     'page callback'     => '_taxonomy_breadcrumb_term_page',  
     'page arguments'    => array(2),  
     'access callback' => 'user_access',  
     'access arguments' => array('access content'),  
     'type' => MENU_CALLBACK,  
54    );    );
55    
56    return $items;    return $items;
# Line 71  function taxonomy_breadcrumb_menu() { Line 60  function taxonomy_breadcrumb_menu() {
60   * Implementation of hook_nodeapi().   * Implementation of hook_nodeapi().
61   */   */
62  function taxonomy_breadcrumb_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {  function taxonomy_breadcrumb_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
63    // If we are on a page view (not just a teaser), set the breadcrumb    // If we are on a page view (not just a teaser), set the breadcrumb.
64    // $a4 contains TRUE if we are on a page view    // $a4 contains TRUE if we are on a page view
65    if ($op == 'view' && $a4 && !drupal_is_front_page()) {    if ($op == 'view' && $a4 && !drupal_is_front_page()) {
66      // Include the .inc file with all helper functions      // Include the .inc file with all helper functions
# Line 98  function taxonomy_breadcrumb_nodeapi(&$n Line 87  function taxonomy_breadcrumb_nodeapi(&$n
87  }  }
88    
89  /**  /**
90     * Implementation of hook_menu_alter().
91     */
92    function taxonomy_breadcrumb_menu_alter(&$callbacks) {
93      // Defined by taxonomy, but might be modified by another module.
94      $existing_callback = $callbacks['taxonomy/term/%'];
95      variable_set('taxonomy_breadcrumb_override_callback', $existing_callback);
96      $callbacks['taxonomy/term/%']['page callback'] = '_taxonomy_breadcrumb_term_page';
97      $callbacks['taxonomy/term/%']['file'] = 'taxonomy_breadcrumb.inc';
98      $callbacks['taxonomy/term/%']['file path'] = drupal_get_path('module', 'taxonomy_breadcrumb');
99    }
100    
101    /**
102   * Implementation of hook_help().   * Implementation of hook_help().
103   */   */
104  function taxonomy_breadcrumb_help($path, $arg) {  function taxonomy_breadcrumb_help($path, $arg) {
# Line 132  function taxonomy_breadcrumb_help($path, Line 133  function taxonomy_breadcrumb_help($path,
133   * of the vocabulary or term.   * of the vocabulary or term.
134   */   */
135  function taxonomy_breadcrumb_form_taxonomy_form_vocabulary_alter(&$form, &$form_state) {  function taxonomy_breadcrumb_form_taxonomy_form_vocabulary_alter(&$form, &$form_state) {
136    // Include the .inc file with all helper functions    // Include the .inc file with all helper functions.
137    include_once drupal_get_path('module', 'taxonomy_breadcrumb') .'/taxonomy_breadcrumb.admin.inc';    include_once drupal_get_path('module', 'taxonomy_breadcrumb') .'/taxonomy_breadcrumb.admin.inc';
138    include_once drupal_get_path('module', 'taxonomy_breadcrumb') .'/taxonomy_breadcrumb.inc';    include_once drupal_get_path('module', 'taxonomy_breadcrumb') .'/taxonomy_breadcrumb.inc';
139    
140      $form['taxonomy_breadcrumb_path'] = array(    $form['taxonomy_breadcrumb_path'] = array(
141        '#type' => 'textfield',      '#type' => 'textfield',
142        '#title' => t('Breadcrumb path (taxonomy_breadcrumb)'),      '#title' => t('Breadcrumb path (taxonomy_breadcrumb)'),
143      '#default_value'  => _taxonomy_breadcrumb_get_vocabulary_path($form['vid']['#value']),      '#default_value'  => _taxonomy_breadcrumb_get_vocabulary_path($form['vid']['#value']),
144        '#maxlength' => 128,      '#maxlength' => 128,
145        '#description' => t('Specify the path this vocabulary links to as a breadcrumb.  If blank, the breadcrumb will not appear.  Use a relative path and don\'t add a trailing slash.  For example: node/42 or my/path/alias.'),      '#description' => t('Specify the path this vocabulary links to as a breadcrumb.  If blank, the breadcrumb will not appear.  Use a relative path and don\'t add a trailing slash.  For example: node/42 or my/path/alias.'),
146        '#weight' => 0,      '#weight' => 0,
147      );    );
148    }  }
149    
150  /**  /**
151   * Implementation of hook_form_alter().   * Implementation of hook_form_alter().
# Line 155  function taxonomy_breadcrumb_form_taxono Line 156  function taxonomy_breadcrumb_form_taxono
156   * of the vocabulary or term.   * of the vocabulary or term.
157   */   */
158  function taxonomy_breadcrumb_form_taxonomy_form_term_alter(&$form, &$form_state) {  function taxonomy_breadcrumb_form_taxonomy_form_term_alter(&$form, &$form_state) {
159    // Include the .inc file with all helper functions    // Include the .inc file with all helper functions.
160    include_once drupal_get_path('module', 'taxonomy_breadcrumb') .'/taxonomy_breadcrumb.inc';    include_once drupal_get_path('module', 'taxonomy_breadcrumb') .'/taxonomy_breadcrumb.inc';
161    
162      $form['taxonomy_breadcrumb_path'] = array(    $form['taxonomy_breadcrumb_path'] = array(
163        '#type' => 'textfield',      '#type' => 'textfield',
164        '#title' => t('Breadcrumb path (taxonomy_breadcrumb)'),      '#title' => t('Breadcrumb path (taxonomy_breadcrumb)'),
165      '#default_value'  => _taxonomy_breadcrumb_get_term_path($form['tid']['#value']),      '#default_value'  => _taxonomy_breadcrumb_get_term_path($form['tid']['#value']),
166        '#maxlength' => 128,      '#maxlength' => 128,
167        '#description' => t('Specify the path this term links to as a breadcrumb.  If blank, the breadcrumb links to the default taxonomy page.  Use a relative path and don\'t add a trailing slash.  For example: node/42 or my/path/alias.'),      '#description' => t('Specify the path this term links to as a breadcrumb.  If blank, the breadcrumb links to the default taxonomy page.  Use a relative path and don\'t add a trailing slash.  For example: node/42 or my/path/alias.'),
168        '#weight' => 0,      '#weight' => 0,
169      );    );
170    }  }
171    
172  /**  /**
173   * Implementation of hook_taxonomy().  This implementation checks to see if a   * Implementation of hook_taxonomy().  This implementation checks to see if a
# Line 175  function taxonomy_breadcrumb_form_taxono Line 176  function taxonomy_breadcrumb_form_taxono
176   */   */
177  function taxonomy_breadcrumb_taxonomy($op, $type, $object = NULL) {  function taxonomy_breadcrumb_taxonomy($op, $type, $object = NULL) {
178    
179    // if (after a vocabulary or term is updated)    // If (after a vocabulary or term is updated)
180    // called by module_invoke_all('taxonomy', 'update', 'term', $edit);  in taxonomy.module    // called by module_invoke_all('taxonomy', 'update', 'term', $edit) in taxonomy.module.
181    if ( $op == 'update' && ($type == 'vocabulary' || $type == 'term') ) {    if ( $op == 'update' && ($type == 'vocabulary' || $type == 'term') ) {
182      // Include the .inc file with all helper functions      // Include the .inc file with all helper functions.
183      include_once drupal_get_path('module', 'taxonomy_breadcrumb') .'/taxonomy_breadcrumb.inc';      include_once drupal_get_path('module', 'taxonomy_breadcrumb') .'/taxonomy_breadcrumb.inc';
184    
185      // Set variables to used in SQL query to reflect if vocabulary or term is      // Set variables to used in SQL query to reflect if vocabulary or term is being updated.
     // being updated.  
186    
187      if ($type == 'vocabulary') {      if ($type == 'vocabulary') {
188        $table = '{taxonomy_breadcrumb_vocabulary}';        $table = '{taxonomy_breadcrumb_vocabulary}';
# Line 199  function taxonomy_breadcrumb_taxonomy($o Line 199  function taxonomy_breadcrumb_taxonomy($o
199    
200      if (!is_null($new_path)) { // Only modify database when the object has the 'taxonomy_breadcrumb_path' field      if (!is_null($new_path)) { // Only modify database when the object has the 'taxonomy_breadcrumb_path' field
201    
202      // Delete record from taxonomy_breadcrumb_vocabulary or taxonomy_breadcrumb_term        // Delete the record from taxonomy_breadcrumb_vocabulary or taxonomy_breadcrumb_term.
203        if (drupal_strlen($new_path) == 0 && $old_path !== NULL) {        if (drupal_strlen($new_path) == 0 && $old_path !== NULL) {
204          db_query("DELETE FROM $table WHERE $key_type = %d", $key);          db_query("DELETE FROM $table WHERE $key_type = %d", $key);
205        }        }
206    
207        // Update existing record in taxonomy_breadcrumb_vocabulary or taxonomy_breadcrumb_term        // Update the existing record in taxonomy_breadcrumb_vocabulary or taxonomy_breadcrumb_term.
208        elseif (drupal_strlen($new_path) != 0 && $old_path != NULL) {        elseif (drupal_strlen($new_path) != 0 && $old_path != NULL) {
209          db_query("UPDATE $table SET path = '%s' WHERE $key_type = %d", $new_path, $key );          db_query("UPDATE $table SET path = '%s' WHERE $key_type = %d", $new_path, $key );
210        }        }
211    
212        // Create new record in taxonomy_breadcrumb_vocabulary or taxonomy_breadcrumb_term        // Create a new record in taxonomy_breadcrumb_vocabulary or taxonomy_breadcrumb_term.
213        elseif (drupal_strlen($new_path) != 0 && $old_path == NULL) {        elseif (drupal_strlen($new_path) != 0 && $old_path == NULL) {
214          db_query("INSERT INTO $table ($key_type, path) VALUES (%d, '%s')", $key, $new_path);          db_query("INSERT INTO $table ($key_type, path) VALUES (%d, '%s')", $key, $new_path);
215        }        }
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