content_taxonomy.inc in Hierarchical Select 5.2

File

modules/content_taxonomy.inc

<?php

/**
 * Content Taxonomy's depth setting:
 * - 0 means the entire tree
 * - 1 means only the root level
 * - 2 means the first two levels
 * - etc.
 */

//----------------------------------------------------------------------------

// Hierarchical Select hooks.

/**
 * Implementation of hook_hierarchical_select_form_alter().
 */
function content_taxonomy_hierarchical_select_form_alter($form_id, &$form) {

  // Change the term selection of nodes. Only affects multiple hierarchy
  // vocabularies. The select widget must be used.
  if (isset($form['type']) && $form['type']['#value'] . '_node_form' == $form_id) {
    $content_type = $form['type']['#value'];
    $fields = content_fields(NULL, $content_type);
    $hs_fields = array();
    foreach ($fields as $field_name => $field_properties) {
      if ($field_properties['type_name'] == $content_type) {
        $vid = $field_properties['vid'];
        $depth = $field_properties['depth'];

        // Hierarchical Select only makes sense if there's a hierarchy.
        if ($depth != 1) {

          // Only apply Hierarchical Select if it's enabled for this vocabulary.
          if (variable_get("hierarchical_select_status_{$vid}", FALSE)) {
            $vocabulary = taxonomy_get_vocabulary($vid);
            if ($vocabulary->hierarchy > 0) {
              $hs_fields[$field_name]['vid'] = $vid;
              $hs_fields[$field_name]['depth'] = $depth;
            }
          }
        }
      }
    }
    foreach ($hs_fields as $field_name => $field_properties) {
      $vid = $field_properties['vid'];
      $depth = $field_properties['depth'];

      // Check if the form element is at the root, the select widget must be
      // used and it cannot be a multiple select.
      if (isset($form[$field_name]) && $form[$field_name]['tids']['#type'] == 'select') {
        $form[$field_name]['tids']['#type'] = 'hierarchical_select';
        $form[$field_name]['tids']['#hierarchical_select_settings'] = array(
          'module' => 'content_taxonomy',
          'params' => array(
            'vid' => $vid,
            'depth' => is_numeric($depth) ? $depth : 999,
          ),
        );
        taxonomy_hierarchical_select_update_form_item($form[$field_name]['tids'], $vid);
      }
      elseif (module_exists('fieldgroup')) {
        $field_group = fieldgroup_get_group($content_type, $field_name);
        if (isset($form[$field_group][$field_name]) && $form[$field_group][$field_name]['tids']['#type'] == 'select') {
          $form[$field_group][$field_name]['tids']['#type'] = 'hierarchical_select';
          $form[$field_group][$field_name]['tids']['#hierarchical_select_settings'] = array(
            'module' => 'content_taxonomy',
            'params' => array(
              'vid' => $vid,
              'depth' => is_numeric($depth) ? $depth : 999,
            ),
          );
          taxonomy_hierarchical_select_update_form_item($form[$field_group][$field_name]['tids'], $vid);
        }
      }
    }
  }
}

/**
 * Implementation of hook_hierarchical_select_params().
 */
function content_taxonomy_hierarchical_select_params() {
  $params = array(
    'vid',
    'depth',
  );
  return $params;
}

/**
 * Implementation of hook_hierarchical_select_root_level().
 */
function content_taxonomy_hierarchical_select_root_level($params) {
  return taxonomy_hierarchical_select_root_level($params);
}

/**
 * Implementation of hook_hierarchical_select_children().
 */
function content_taxonomy_hierarchical_select_children($parent, $params) {
  static $tree;

  // Keep a static cache of the entire tree, this allows us to quickly look up
  // if a term is not to deep – because if it's too deep, we don't want to
  // return any children.
  if (!isset($tree)) {
    $tree = taxonomy_get_tree($params['vid'], 0);
  }
  $terms = $tree[$parent]->depth >= $params['depth'] ? array() : taxonomy_get_tree($params['vid'], $parent, -1, 1);
  return _taxonomy_hierarchical_select_terms_to_options($terms);
}

/**
 * Implementation of hook_hierarchical_select_lineage().
 */
function content_taxonomy_hierarchical_select_lineage($item, $params) {
  return taxonomy_hierarchical_select_lineage($item, $params);
}

/**
 * Implementation of hook_hierarchical_select_valid_item().
 */
function content_taxonomy_hierarchical_select_valid_item($item, $params) {
  if (!is_numeric($item) || $item < 1) {
    return FALSE;
  }
  $term = taxonomy_get_term($item);
  return $term->vid == $params['vid'] && $term->depth < $params['depth'];
}

/**
 * Implementation of hook_hierarchical_select_item_get_label().
 */
function content_taxonomy_hierarchical_select_item_get_label($item, $params) {
  return taxonomy_hierarchical_select_item_get_label($item, $params);
}

Functions

Name	Description
content_taxonomy_hierarchical_select_children	Implementation of hook_hierarchical_select_children().
content_taxonomy_hierarchical_select_form_alter	Implementation of hook_hierarchical_select_form_alter().
content_taxonomy_hierarchical_select_item_get_label	Implementation of hook_hierarchical_select_item_get_label().
content_taxonomy_hierarchical_select_lineage	Implementation of hook_hierarchical_select_lineage().
content_taxonomy_hierarchical_select_params	Implementation of hook_hierarchical_select_params().
content_taxonomy_hierarchical_select_root_level	Implementation of hook_hierarchical_select_root_level().
content_taxonomy_hierarchical_select_valid_item	Implementation of hook_hierarchical_select_valid_item().