<?php
// $Id: location_fax.module,v 1.9.2.3 2008-11-24 20:26:52 bdragon Exp $

/**
 * @file
 * Add fax number fields to Location address.
 */

/**
 * Implementation of hook_locationapi().
 */
function location_fax_locationapi(&$location, $op, $a3 = NULL, $a4 = NULL) {
  switch ($op) {
    case 'fields':
      return array('fax' => t('Fax number'));

    case 'defaults':
      return array(
        'fax' => array('default' => '', 'collect' => 0, 'weight' => 30),
      );

    case 'field_expand':
      if ($a3 == 'fax') {
        return array(
          '#type' => 'textfield',
          '#title' => t('Fax number'),
          '#size' => 31,
          '#maxlength' => 31,
          '#description' => NULL,
          '#required' => ($a4 == 2),
          '#default_value' => $location,
        );
      }
      break;

    case 'save':
      db_query('DELETE FROM {location_fax} WHERE lid = %d', $location['lid']);
      if (!empty($location['fax'])) {
        db_query("INSERT INTO {location_fax} (lid, fax) VALUES (%d, '%s')", $location['lid'], $location['fax']);
      }
      break;

    case 'load':
      $fields = array('fax' => '');
      if ($row = db_fetch_object(db_query('SELECT fax FROM {location_fax} WHERE lid = %d', $location['lid']))) {
        $fields['fax'] = $row->fax;
      }
      return $fields;

    case 'delete':
      db_query('DELETE FROM {location_fax} WHERE lid = %d', $location['lid']);
      break;
  }
}

function location_fax_views_tables() {
  $tables['location_fax'] = array(
    'name' => 'location_fax',
    'join' => array(
      'left' => array(
        'table' => 'location',
        'field' => 'lid',
      ),
      'right' => array(
        'field' => 'lid',
      ),
    ),
    'fields' => array(
      'fax' => array(
        'name' => t('Location: Fax'),
        'sortable' => TRUE,
      ),
    ),
    'filters' => array(
      'has_fax' => array(
        'field' => 'fax',
        'name' => t('Location: Has fax'),
        'operator' => array('IS NOT' => t('Has fax'), 'IS' => t('No fax')),
        'handler' => 'views_handler_filter_null',
      ),
    ),
  );
  return $tables;
}

/**
 * Implementation of hook_token_list().
 */
function location_fax_token_list($type = 'all') {
  if ($type == 'node' || $type == 'user' || $type == 'all') {
    $tokens['location']['location-fax_N'] = t('Location Fax number (If there are multiple locations per node, N is the iteration, starting with 0)');
    return $tokens;
  }
}