hs_flatlist.module in Hierarchical Select 7.3

Implementation of the Hierarchical Select API that allows one to use Hierarchical Select's dropbox for selecting multiple items of a flat list.

File

modules/hs_flatlist.module

<?php

/**
 * @file
 * Implementation of the Hierarchical Select API that allows one to use
 * Hierarchical Select's dropbox for selecting multiple items of a flat list.
 */

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

// Hierarchical Select hooks.

/**
 * Implements hook_hierarchical_select_params().
 */
function hs_flatlist_hierarchical_select_params() {
  $params = array(
    'options',
  );
  return $params;
}

/**
 * Implements hook_hierarchical_select_root_level().
 */
function hs_flatlist_hierarchical_select_root_level($params) {
  return $params['options'];
}

/**
 * Implements hook_hierarchical_select_children().
 */
function hs_flatlist_hierarchical_select_children($parent, $params) {
  return array();

  // A flat list doesn't have any children, ever.
}

/**
 * Implements hook_hierarchical_select_lineage().
 */
function hs_flatlist_hierarchical_select_lineage($item, $params) {
  return array(
    $item,
  );

  // No hierarchies exist in flat lists.
}

/**
 * Implements hook_hierarchical_select_valid_item().
 */
function hs_flatlist_hierarchical_select_valid_item($item, $params) {
  return in_array($item, array_keys($params['options']));
}

/**
 * Implements hook_hierarchical_select_item_get_label().
 */
function hs_flatlist_hierarchical_select_item_get_label($item, $params) {
  return $params['options'][$item];
}

/**
 * Implements hook_hierarchical_select_implementation_info().
 */
function hs_flatlist_hierarchical_select_implementation_info() {
  return array(
    'hierarchy type' => t('None: flat list'),
    'entity type' => t('N/A'),
  );
}

Functions

Name	Description
hs_flatlist_hierarchical_select_children	Implements hook_hierarchical_select_children().
hs_flatlist_hierarchical_select_implementation_info	Implements hook_hierarchical_select_implementation_info().
hs_flatlist_hierarchical_select_item_get_label	Implements hook_hierarchical_select_item_get_label().
hs_flatlist_hierarchical_select_lineage	Implements hook_hierarchical_select_lineage().
hs_flatlist_hierarchical_select_params	Implements hook_hierarchical_select_params().
hs_flatlist_hierarchical_select_root_level	Implements hook_hierarchical_select_root_level().
hs_flatlist_hierarchical_select_valid_item	Implements hook_hierarchical_select_valid_item().