views_term_hierarchy_weight_field.module in Views Term Hierarchy Weight Field 7

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views_term_hierarchy_weight_field.module

<?php

/**
 * Implements hook_views_api().
 */
function views_term_hierarchy_weight_field_views_api() {
  return array(
    'api' => 3,
  );
}

/**
 * Implements hook_formid_alter().
 */
function views_term_hierarchy_weight_field_form_taxonomy_overview_terms_alter(&$form, $form_state) {
  $form['#submit'][] = 'views_term_hierarchy_weight_field_submit';
}

/**
 * Custom submit handler that saves the hierarchical weight.
 */
function views_term_hierarchy_weight_field_submit($form, &$form_state) {
  $page = isset($_GET['page']) ? $_GET['page'] : 0;
  $offset = $form['#page_increment'];
  $currentoffset = $offset * $page;
  foreach (array_values($form_state['input']) as $hweight => $term) {
    if (is_array($term)) {
      $hdepth = count(taxonomy_get_parents_all($term['tid'])) - 1;
      views_term_hierarchy_weight_field_update($term['tid'], $hweight + $currentoffset, $hdepth);
    }
  }
}

/**
 * Implements hook_taxonomy_term_insert().
 */
function views_term_hierarchy_weight_field_taxonomy_term_insert($term) {
  views_term_hierarchy_weight_field_calculate_and_set($term);
}

/**
 * Implements hook_taxonomy_term_update().
 */
function views_term_hierarchy_weight_field_taxonomy_term_update($term) {
  views_term_hierarchy_weight_field_calculate_and_set($term);
}

/**
 * Calculate and set term hweight and hdepth values.
 */
function views_term_hierarchy_weight_field_calculate_and_set($term) {
  foreach (taxonomy_get_tree($term->vid) as $hweight => $term) {
    $hdepth = count(taxonomy_get_parents_all($term->tid)) - 1;
    views_term_hierarchy_weight_field_update($term->tid, $hweight, $hdepth);
  }
}

/**
 * Implements hook_cron().
 */
function views_term_hierarchy_weight_field_cron() {
  foreach (array_keys(menu_get_menus()) as $menu) {
    $menu_tree = menu_tree_all_data($menu);
    $menu_flatten = array();
    _views_term_hierarchy_weight_field_flatten_menu($menu_tree, $menu_flatten);
    foreach (array_values($menu_flatten) as $index => $menu_link) {
      db_update('menu_links')
        ->fields(array(
        'hweight' => $index,
      ))
        ->condition('mlid', $menu_link['mlid'], '=')
        ->execute();
    }
  }
}

/**
 * Implements hook_modules_installed().
 */
function views_term_hierarchy_weight_field_modules_installed($modules) {
  if (in_array('entity_menu_links', $modules)) {
    $field = 'hweight';
    $schema = drupal_get_schema('menu_links');
    if (!db_field_exists('menu_links_revision', $field)) {
      db_add_field('menu_links_revision', $field, $schema['fields'][$field]);
    }
  }
}

/**
 * Helper function. Flatten a menu tree into a single flat array keyed by mlid.
 */
function _views_term_hierarchy_weight_field_flatten_menu($tree, &$flat) {
  foreach ($tree as $data) {
    if (!$data['link']['hidden']) {
      $flat[$data['link']['mlid']] = $data['link'];
      if ($data['below']) {
        _views_term_hierarchy_weight_field_flatten_menu($data['below'], $flat);
      }
    }
  }
}

/**
 * API function, set the hierarchical weight of a term.
 *
 * @param int $tid
 *   The Term ID
 * @param int $hweight
 *   The term weight
 * @param int $hdepth
 *   The term depth
 */
function views_term_hierarchy_weight_field_update($tid, $hweight, $hdepth) {
  if (!is_numeric($tid) || !is_numeric($hweight) || !is_int($hdepth)) {
    return;
  }
  db_update('taxonomy_term_data')
    ->fields(array(
    'hweight' => $hweight,
    'hdepth' => $hdepth,
  ))
    ->condition('tid', $tid, '=')
    ->execute();
}

/**
 * Implements hook_entity_property_info_alter().
 */
function views_term_hierarchy_weight_field_entity_property_info_alter(&$info) {
  $info['taxonomy_term']['properties']['hweight'] = array(
    'label' => t('Hweight'),
    'description' => t('Hierarchical weight (Views Term Hierarchy Weight Field module)'),
    'type' => 'integer',
    'schema field' => 'hweight',
  );
  $info['taxonomy_term']['properties']['hdepth'] = array(
    'label' => t('Hdepth'),
    'description' => t('Hierarchical depth (Views Term Hierarchy Weight Field module)'),
    'type' => 'integer',
    'schema field' => 'hdepth',
  );
}

Functions

Name	Description
views_term_hierarchy_weight_field_calculate_and_set	Calculate and set term hweight and hdepth values.
views_term_hierarchy_weight_field_cron	Implements hook_cron().
views_term_hierarchy_weight_field_entity_property_info_alter	Implements hook_entity_property_info_alter().
views_term_hierarchy_weight_field_form_taxonomy_overview_terms_alter	Implements hook_formid_alter().
views_term_hierarchy_weight_field_modules_installed	Implements hook_modules_installed().
views_term_hierarchy_weight_field_submit	Custom submit handler that saves the hierarchical weight.
views_term_hierarchy_weight_field_taxonomy_term_insert	Implements hook_taxonomy_term_insert().
views_term_hierarchy_weight_field_taxonomy_term_update	Implements hook_taxonomy_term_update().
views_term_hierarchy_weight_field_update	API function, set the hierarchical weight of a term.
views_term_hierarchy_weight_field_views_api	Implements hook_views_api().
_views_term_hierarchy_weight_field_flatten_menu	Helper function. Flatten a menu tree into a single flat array keyed by mlid.