getdirections.module in Get Directions 6

Fetches google map directions.

File

getdirections.module

<?php

// $Name$

/**
 * @file
 * Fetches google map directions.
 */

/**
 * Implementation of hook_help().
 */
function getdirections_help($path, $arg) {
  switch ($path) {
    case 'admin/help#getdirections':
      $output = '<p>' . t('Fetches google map directions.') . '</p>';
      return $output;
  }
}

/**
 * Implementation of hook_init().
 */
function getdirections_init() {
  module_load_include('inc', 'getdirections', 'getdirections.api');
  module_load_include('inc', 'getdirections', 'getdirections.theme');
  drupal_add_js(drupal_get_path('module', 'getdirections') . '/getdirections.js');
}

/**
 * Implementation of hook_perm().
 */
function getdirections_perm() {
  return array(
    'access gmap getdirections',
  );
}

/**
 * Implementation of hook_menu().
 */
function getdirections_menu() {
  $items = array();
  $items['admin/settings/getdirections'] = array(
    'title' => 'Get directions',
    'description' => 'Configure Get directions',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'getdirections_settings_form',
    ),
    'access arguments' => array(
      'administer site configuration',
    ),
    'type' => MENU_NORMAL_ITEM,
    'file' => 'getdirections.admin.inc',
  );
  $items['getdirections'] = array(
    'title' => 'Get directions',
    'access arguments' => array(
      'access gmap getdirections',
    ),
    'page callback' => 'getdirections_direction',
    'type' => MENU_SUGGESTED_ITEM,
  );
  if (module_exists('location')) {
    $items['getdirections/location/%getdirections_fromto/%getdirections_id'] = array(
      'title' => 'Get directions',
      'access arguments' => array(
        'access gmap getdirections',
      ),
      'page callback' => 'getdirections_setlocation',
      'page arguments' => array(
        2,
        3,
      ),
      'type' => MENU_CALLBACK,
    );
    $items['getdirections/locations/%getdirections_id/%getdirections_id'] = array(
      'title' => 'Get directions',
      'access arguments' => array(
        'access gmap getdirections',
      ),
      'page callback' => 'getdirections_setlocations',
      'page arguments' => array(
        2,
        3,
      ),
      'type' => MENU_CALLBACK,
    );
    $items['getdirections/locations_via/%getdirections_via'] = array(
      'title' => 'Get directions',
      'access arguments' => array(
        'access gmap getdirections',
      ),
      'page callback' => 'getdirections_setlocations_via',
      'page arguments' => array(
        2,
      ),
      'type' => MENU_CALLBACK,
    );
    $items['getdirections/location_user/%getdirections_fromto/%getdirections_uid'] = array(
      'title' => 'Get directions',
      'access arguments' => array(
        'access gmap getdirections',
      ),
      'page callback' => 'getdirections_user_setlocation',
      'page arguments' => array(
        2,
        3,
      ),
      'type' => MENU_CALLBACK,
    );
    $items['getdirections/locations_user/%getdirections_uid/%getdirections_uid'] = array(
      'title' => 'Get directions',
      'access arguments' => array(
        'access gmap getdirections',
      ),
      'page callback' => 'getdirections_user_setlocations',
      'page arguments' => array(
        2,
        3,
      ),
      'type' => MENU_CALLBACK,
    );
    $items['getdirections/location_n2u/%getdirections_id/%getdirections_uid'] = array(
      'title' => 'Get directions',
      'access arguments' => array(
        'access gmap getdirections',
      ),
      'page callback' => 'getdirections_n2u_setlocation',
      'page arguments' => array(
        2,
        3,
      ),
      'type' => MENU_CALLBACK,
    );
    $items['getdirections/location_u2n/%getdirections_uid/%getdirections_id'] = array(
      'title' => 'Get directions',
      'access arguments' => array(
        'access gmap getdirections',
      ),
      'page callback' => 'getdirections_u2n_setlocation',
      'page arguments' => array(
        2,
        3,
      ),
      'type' => MENU_CALLBACK,
    );
    $items['getdirections/locations_user_via/%getdirections_via'] = array(
      'title' => 'Get directions',
      'access arguments' => array(
        'access gmap getdirections',
      ),
      'page callback' => 'getdirections_user_setlocations_via',
      'page arguments' => array(
        2,
      ),
      'type' => MENU_CALLBACK,
    );
  }
  return $items;
}

/**
 * menu placeholder functions
 */
function getdirections_fromto_load($arg) {
  $allowed = array(
    'from',
    'to',
  );
  return in_array($arg, $allowed) ? $arg : FALSE;
  return $arg;
}
function getdirections_id_load($arg) {
  return is_numeric($arg) && $arg > 0 ? $arg : FALSE;
}
function getdirections_uid_load($arg) {
  return is_numeric($arg) && $arg > 0 && getdirections_user_check($arg) ? $arg : FALSE;
}
function getdirections_via_load($arg) {
  if (stristr($arg, ',')) {
    $x = explode(',', $arg);
    foreach ($x as $v) {
      if (!is_numeric($v)) {
        return FALSE;
      }
    }
    return $arg;
  }
  return FALSE;
}

/**
 * Function to setup the map and form
 *
 * @param $direction
 *   Optional. The direction the supplied input applies to
 * @param $location
 *   Optional. The string to search with
 * @param $country
 *   Optional. The country
 * @param $latlon
 *   Optional. Comma delimted string containg latitude and longitude
 * @return
 *   Returns the themed map and form
 */
function getdirections_direction($direction = '', $location = '', $country = '', $latlon = '') {
  $getdirections_defaults = getdirections_defaults();
  getdirections_setup_map($getdirections_defaults);
  $lla = split(',', $getdirections_defaults['latlong']);
  $getdirections_settings = array(
    'lat' => $lla[0],
    'lng' => $lla[1],
    'zoom' => $getdirections_defaults['zoom'],
    'maptype' => $getdirections_defaults['maptype'],
    'controltype' => $getdirections_defaults['controltype'],
    'mtc' => $getdirections_defaults['mtc'],
    'baselayers' => $getdirections_defaults['baselayers'],
    'scale' => $getdirections_defaults['behavior']['scale'],
    'overview' => $getdirections_defaults['behavior']['overview'],
    'scrollwheel' => $getdirections_defaults['behavior']['scrollwheel'],
    'draggable' => $getdirections_defaults['behavior']['draggable'],
    'unitsystem' => $getdirections_defaults['unitsystem'],
  );
  drupal_add_js(array(
    'getdirections' => $getdirections_settings,
  ), 'setting');
  drupal_set_title(t("Get Directions"));
  $width = $getdirections_defaults['width'];
  $height = $getdirections_defaults['height'];
  $form = drupal_get_form('getdirections_direction_form', $direction, $location, $country, $latlon);
  return theme('getdirections_show', $form, $width, $height);
}

/**
 * Function to setup the map
 *
 * @param $fromlocs
 *   Required. The string to display for From.
 * @param $fromlatlon
 *   Required. The location point for From. In decimal latitude,longitude
 * @param $tolocs
 *   Required. The string to display for To.
 * @param $tolatlon
 *   Required. The location point for To. In decimal latitude,longitude
 * @return
 *   Returns the themed map.
 */
function getdirections_locations($fromlocs, $fromlatlon, $tolocs, $tolatlon) {
  global $language;
  $getdirections_defaults = getdirections_defaults();
  getdirections_setup_map($getdirections_defaults);
  $lla = split(',', $getdirections_defaults['latlong']);
  $getdirections_settings = array(
    'lat' => $lla[0],
    'lng' => $lla[1],
    'zoom' => $getdirections_defaults['zoom'],
    'maptype' => $getdirections_defaults['maptype'],
    'controltype' => $getdirections_defaults['controltype'],
    'mtc' => $getdirections_defaults['mtc'],
    'baselayers' => $getdirections_defaults['baselayers'],
    'scale' => $getdirections_defaults['behavior']['scale'],
    'overview' => $getdirections_defaults['behavior']['overview'],
    'scrollwheel' => $getdirections_defaults['behavior']['scrollwheel'],
    'draggable' => $getdirections_defaults['behavior']['draggable'],
    'unitsystem' => $getdirections_defaults['unitsystem'],
    'fromlatlon' => $fromlatlon,
    'tolatlon' => $tolatlon,
    'mylocale' => $language->language,
  );
  drupal_add_js(array(
    'getdirections' => $getdirections_settings,
  ), 'setting');
  drupal_set_title(t("Get Directions"));
  $width = $getdirections_defaults['width'];
  $height = $getdirections_defaults['height'];
  return theme('getdirections_show_locations', $width, $height, $fromlocs, $tolocs);
}

/**
 * Function to setup the map
 *
 * @param $locs
 *   Required. An array of location descriptions.
 * @param $latlons
 *   Required. An array of decimal latitude,longitude
 * @return
 *   Returns the themed map.
 */
function getdirections_locations_via($locs, $latlons) {
  global $language;
  $getdirections_defaults = getdirections_defaults();
  getdirections_setup_map($getdirections_defaults);
  $lla = split(',', $getdirections_defaults['latlong']);
  $getdirections_settings = array(
    'lat' => $lla[0],
    'lng' => $lla[1],
    'zoom' => $getdirections_defaults['zoom'],
    'maptype' => $getdirections_defaults['maptype'],
    'controltype' => $getdirections_defaults['controltype'],
    'mtc' => $getdirections_defaults['mtc'],
    'baselayers' => $getdirections_defaults['baselayers'],
    'scale' => $getdirections_defaults['behavior']['scale'],
    'overview' => $getdirections_defaults['behavior']['overview'],
    'scrollwheel' => $getdirections_defaults['behavior']['scrollwheel'],
    'draggable' => $getdirections_defaults['behavior']['draggable'],
    'unitsystem' => $getdirections_defaults['unitsystem'],
    'latlons' => implode('|', $latlons),
    'mylocale' => $language->language,
  );
  drupal_add_js(array(
    'getdirections' => $getdirections_settings,
  ), 'setting');
  drupal_set_title(t("Get Directions"));
  $width = $getdirections_defaults['width'];
  $height = $getdirections_defaults['height'];
  return theme('getdirections_show_locations_via', $width, $height, $locs);
}

/**
 * Function to setup the form
 *
 * @param $direction
 *   Optional. The direction the supplied input applies to
 * @param $location
 *   Optional. The string to search with
 * @param $country
 *   Optional. The country
 * @param $latlon
 *   Optional. Comma delimted string containg latitude and longitude
 * @return
 *   Returns the form
 */
function getdirections_direction_form($form_state, $fromto = '', $loc = '', $country = '', $latlon = '') {
  global $language;
  $getdirections_defaults = getdirections_defaults();
  $location = module_exists('location');
  if (!$location) {
    $setdirections = "setDirectionsfromto(this.from.value, this.to.value, this.locale.value); return false;";
  }
  else {
    if ($fromto == 'to') {
      $setdirections = "setDirectionsto(this.from.value, this.country_from.value, this.to.value, this.locale.value); return false;";
    }
    elseif ($fromto == 'from') {
      $setdirections = "setDirectionsfrom(this.from.value, this.to.value, this.country_to.value, this.locale.value); return false;";
    }
    else {
      $setdirections = "setDirectionsfromto2(this.from.value, this.country_from.value, this.to.value, this.country_to.value, this.locale.value); return false;";
    }
    $countries = array(
      '#type' => 'select',
      '#title' => t('Country'),
      '#options' => array_merge(array(
        '' => t('Please select'),
      ), _location_supported_countries()),
      '#default_value' => variable_get('location_default_country', 'uk'),
      '#prefix' => '<div class="container-inline getdirections_display">',
      '#suffix' => '</div>',
    );
  }
  $form = array(
    '#action' => '#',
    '#attributes' => array(
      'class' => 'getdirections_form',
      'onsubmit' => $setdirections,
    ),
  );
  if ($fromto == 'from') {
    $form['from'] = array(
      '#type' => 'hidden',
      '#value' => $latlon,
    );
    $form['mfrom'] = array(
      '#type' => 'item',
      '#title' => t('From'),
      '#value' => $loc . ', ' . drupal_strtoupper($country),
      '#prefix' => '<div class="container-inline getdirections_display">',
      '#suffix' => '</div>',
    );
  }
  else {
    $form['from'] = array(
      '#type' => 'textfield',
      '#title' => t('Starting from'),
      '#size' => $getdirections_defaults['from_width'],
      '#required' => TRUE,
      '#description' => t('Enter the address, postcode and/or city from where you want to start your journey.'),
    );
    if ($location) {
      $form['country_from'] = $countries;
    }
  }
  if ($fromto == 'to') {
    $form['to'] = array(
      '#type' => 'hidden',
      '#value' => $latlon,
    );
    $form['mto'] = array(
      '#type' => 'item',
      '#title' => t('To'),
      '#value' => $loc . ', ' . drupal_strtoupper($country),
      '#prefix' => '<div class="container-inline getdirections_display">',
      '#suffix' => '</div>',
    );
  }
  else {
    $form['to'] = array(
      '#type' => 'textfield',
      '#title' => t('Destination'),
      '#size' => $getdirections_defaults['to_width'],
      '#required' => TRUE,
      '#description' => t('Enter the address, postcode and/or city of your journey destination.'),
    );
    if ($location) {
      $form['country_to'] = $countries;
    }
  }
  if (variable_get('use_v3', 0)) {
    if ($getdirections_defaults['travelmode_show']) {
      $form['travelmode'] = array(
        '#type' => 'select',
        '#title' => t('Travel mode'),
        '#options' => array(
          'driving' => 'Driving',
          'walking' => 'Walking',
          'bicycling' => 'Bicycling',
        ),
        '#default_value' => 'driving',
        '#prefix' => '<div class="container-inline getdirections_display">',
        '#suffix' => '</div>',
      );
    }
    if ($getdirections_defaults['travelextras_show']) {
      $form['travelextras'] = array(
        '#type' => 'checkboxes',
        '#title' => t('Travel options'),
        '#options' => array(
          'avoidhighways' => 'Avoid Highways',
          'avoidtolls' => 'Avoid Tolls',
          'altroute' => 'Alternative routes',
        ),
        '#prefix' => '<div class="container-inline getdirections_display">',
        '#suffix' => '</div>',
      );
    }
  }
  $form['locale'] = array(
    '#type' => 'hidden',
    '#value' => $language->language,
  );
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Get Directions'),
  );
  return $form;
}

/**
 * Some defaults.
 */
function getdirections_defaults() {

  // no gmap for v3 googlemap API
  if (variable_get('use_v3', 0)) {
    $defaults = array(
      'api_version' => 3,
      'width' => '300px',
      'height' => '200px',
      'zoom' => 3,
      'controltype' => 'default',
      'latlong' => '40,0',
      'maptype' => 'Map',
      'mtc' => 'standard',
      'baselayers' => array(
        'Map' => 1,
        'Satellite' => 1,
        'Hybrid' => 1,
        'Physical' => 1,
      ),
      'behavior' => array(
        'scale' => 0,
        'scrollwheel' => 0,
        'draggable' => 1,
      ),
      'unitsystem' => 'auto',
      'from_width' => 20,
      'to_width' => 20,
      'travelmode_show' => 0,
      'travelextras_show' => 0,
    );
  }
  else {
    if (module_exists('gmap')) {
      $defaults = gmap_defaults();
      $defaults['api_version'] = GMAP_API_VERSION;
    }
    else {
      $defaults = array(
        'api_version' => 2,
        'width' => '300px',
        'height' => '200px',
        'zoom' => 3,
        'controltype' => 'Small',
        'latlong' => '40,0',
        'maptype' => 'Map',
        'mtc' => 'standard',
        'baselayers' => array(
          'Map' => 1,
          'Satellite' => 1,
          'Hybrid' => 1,
          'Physical' => 0,
        ),
        'behavior' => array(
          'scale' => 0,
          'overview' => 0,
        ),
        'from_width' => 20,
        'to_width' => 20,
      );
    }
  }
  $getdirections_defaults = variable_get('getdirections_default', array());

  // array_merge deletes things in $defaults that are not in $getdirections_defaults ;-/
  // roll my own
  $newdefaults = array();
  foreach ($defaults as $k => $v) {
    if (is_array($v)) {
      foreach ($defaults[$k] as $k1 => $v1) {
        if (isset($getdirections_defaults[$k][$k1])) {
          $newdefaults[$k][$k1] = $getdirections_defaults[$k][$k1];
        }
        else {
          $newdefaults[$k][$k1] = $v1;
        }
      }
    }
    else {
      if (isset($getdirections_defaults[$k])) {
        $newdefaults[$k] = $getdirections_defaults[$k];
      }
      else {
        $newdefaults[$k] = $v;
      }
    }
  }
  return $newdefaults;
}

/**
 * Function to setup the map and form
 *
 * @param $direction
 *   Required. The direction the supplied input applies to
 * @param $vid
 *   Required. The vid of the location node
 * @return
 *   Returns the themed map and form
 */
function getdirections_setlocation($direction, $vid) {
  if (module_exists('location') && $vid) {
    $location = location_load_locations($vid);
    if (count($location)) {
      $country = $location[0]['country'];
      $latlon = $location[0]['latitude'] . ',' . $location[0]['longitude'];
      $loc = _getdirections_loadaddress($location[0]);

      // $locs only used for display now
      $locs = implode(', ', $loc);
      $content = getdirections_direction($direction, $locs, $country, $latlon);
      return $content;
    }
  }
}

/**
 * Function to setup the map and form
 *
 * @param $direction
 *   Required. The direction the supplied input applies to
 * @param $uid
 *   Required. The uid of the location owner
 * @return
 *   Returns the themed map and form
 */
function getdirections_user_setlocation($direction, $uid) {
  if (module_exists('location') && $uid) {
    $location = location_load_locations($uid, 'uid');
    if (count($location)) {
      $country = $location[0]['country'];
      $latlon = $location[0]['latitude'] . ',' . $location[0]['longitude'];
      $loc = _getdirections_loadaddress($location[0]);

      // $locs only used for display now
      $locs = implode(', ', $loc);
      $content = getdirections_direction($direction, $locs, $country, $latlon);
      return $content;
    }
  }
}

/**
 * Function to setup the map
 *
 * @param $fromvid
 *   Required. The nid/vid of the starting point
 * @param $tovid
 *   Required. The nid/vid of the destination
 * @return
 *   Returns the themed map
 */
function getdirections_setlocations($fromvid, $tovid) {
  if (module_exists('location') && is_numeric($fromvid) && is_numeric($tovid)) {

    // From
    $fromlocation = location_load_locations($fromvid);
    if (count($fromlocation)) {
      $fromlatlon = $fromlocation[0]['latitude'] . ',' . $fromlocation[0]['longitude'];
      $fromloc = _getdirections_loadaddress($fromlocation[0]);
      if ($fromlocation[0]['country']) {
        $fromloc[] = drupal_strtoupper($fromlocation[0]['country']);
      }
      $fromlocs = implode(', ', $fromloc);

      // To
      $tolocation = location_load_locations($tovid);
      if (count($tolocation)) {
        $tolatlon = $tolocation[0]['latitude'] . ',' . $tolocation[0]['longitude'];
        $toloc = _getdirections_loadaddress($tolocation[0]);
        if ($tolocation[0]['country']) {
          $toloc[] = drupal_strtoupper($tolocation[0]['country']);
        }
        $tolocs = implode(', ', $toloc);
        $content = getdirections_locations($fromlocs, $fromlatlon, $tolocs, $tolatlon);
        return $content;
      }
    }
  }
}

/**
 * Function to setup the map
 *
 * @param $fromuid
 *   Required. The uid of the starting point
 * @param $touid
 *   Required. The uid of the destination
 * @return
 *   Returns the themed map
 */
function getdirections_user_setlocations($fromuid, $touid) {
  if (module_exists('location') && is_numeric($fromuid) && is_numeric($touid)) {

    // From
    $fromlocation = location_load_locations($fromuid, 'uid');
    if (count($fromlocation)) {
      $fromlatlon = $fromlocation[0]['latitude'] . ',' . $fromlocation[0]['longitude'];
      $fromloc = _getdirections_loadaddress($fromlocation[0]);
      if ($fromlocation[0]['country']) {
        $fromloc[] = drupal_strtoupper($fromlocation[0]['country']);
      }
      $fromlocs = implode(', ', $fromloc);

      // To
      $tolocation = location_load_locations($touid, 'uid');
      if (count($tolocation)) {
        $tolatlon = $tolocation[0]['latitude'] . ',' . $tolocation[0]['longitude'];
        $toloc = _getdirections_loadaddress($tolocation[0]);
        if ($tolocation[0]['country']) {
          $toloc[] = drupal_strtoupper($tolocation[0]['country']);
        }
        $tolocs = implode(', ', $toloc);
        $content = getdirections_locations($fromlocs, $fromlatlon, $tolocs, $tolatlon);
        return $content;
      }
    }
  }
}

/**
 * Function to setup the map to display waypoints
 *
 * @param $vids
 *   Required. A comma delimited list of vids
 * @return
 *   Returns the themed map
 */
function getdirections_setlocations_via($vids) {
  if (module_exists('location')) {
    $arrvids = explode(',', $vids);
    foreach ($arrvids as $key => $vid) {

      // no more than 25 allowed
      if ($key > 23 && $key < count($arrvids)) {
        continue;
      }
      $location = location_load_locations($vid);
      if (!count($location)) {
        continue;
      }
      $loc = _getdirections_loadaddress($location[0]);
      if ($location[0]['country']) {
        $loc[] = drupal_strtoupper($location[0]['country']);
      }
      $locs[] = implode(', ', $loc);
      $latlons[] = $location[0]['latitude'] . ',' . $location[0]['longitude'];
    }
    $content = getdirections_locations_via($locs, $latlons);
    return $content;
  }
}

/**
 * Function to setup the map
 *
 * @param $vid
 *   Required. The nid/vid of the starting point
 * @param $uid
 *   Required. The uid of the destination
 * @return
 *   Returns the themed map
 */
function getdirections_n2u_setlocation($vid, $uid) {
  if (module_exists('location') && is_numeric($vid) && is_numeric($uid)) {

    // From
    $fromlocation = location_load_locations($vid);
    if (count($fromlocation)) {
      $fromlatlon = $fromlocation[0]['latitude'] . ',' . $fromlocation[0]['longitude'];
      $fromloc = _getdirections_loadaddress($fromlocation[0]);
      if ($fromlocation[0]['country']) {
        $fromloc[] = drupal_strtoupper($fromlocation[0]['country']);
      }
      $fromlocs = implode(', ', $fromloc);

      // To
      $tolocation = location_load_locations($uid, 'uid');
      if (count($tolocation)) {
        $tolatlon = $tolocation[0]['latitude'] . ',' . $tolocation[0]['longitude'];
        $toloc = _getdirections_loadaddress($tolocation[0]);
        if ($tolocation[0]['country']) {
          $toloc[] = drupal_strtoupper($tolocation[0]['country']);
        }
        $tolocs = implode(', ', $toloc);
        $content = getdirections_locations($fromlocs, $fromlatlon, $tolocs, $tolatlon);
        return $content;
      }
    }
  }
}

/**
 * Function to setup the map and form
 *
 * @param $uid
 *   Required. The uid of the starting point
 * @param $vid
 *   Required. The nid/vid of the destination
 * @return
 *   Returns the themed map
 */
function getdirections_u2n_setlocation($uid, $vid) {
  if (module_exists('location') && is_numeric($vid) && is_numeric($uid)) {

    // From
    $fromlocation = location_load_locations($uid, 'uid');
    if (count($fromlocation)) {
      $fromlatlon = $fromlocation[0]['latitude'] . ',' . $fromlocation[0]['longitude'];
      $fromloc = _getdirections_loadaddress($fromlocation[0]);
      if ($fromlocation[0]['country']) {
        $fromloc[] = drupal_strtoupper($fromlocation[0]['country']);
      }
      $fromlocs = implode(', ', $fromloc);

      // To
      $tolocation = location_load_locations($vid);
      if (count($tolocation)) {
        $tolatlon = $tolocation[0]['latitude'] . ',' . $tolocation[0]['longitude'];
        $toloc = _getdirections_loadaddress($tolocation[0]);
        if ($tolocation[0]['country']) {
          $toloc[] = drupal_strtoupper($tolocation[0]['country']);
        }
        $tolocs = implode(', ', $toloc);
        $content = getdirections_locations($fromlocs, $fromlatlon, $tolocs, $tolatlon);
        return $content;
      }
    }
  }
}

/**
 * Function to setup the map to display waypoints
 *
 * @param $uids
 *   Required. A comma delimited list of uids
 * @return
 *   Returns the themed map
 */
function getdirections_user_setlocations_via($uids) {
  if (module_exists('location')) {
    $arruids = explode(',', $uids);
    foreach ($arruids as $key => $uid) {

      // no more than 25 allowed
      if ($key > 23 && $key < count($arruids)) {
        continue;
      }
      $location = location_load_locations($uid, 'uid');
      if (!count($location)) {
        continue;
      }
      $loc = _getdirections_loadaddress($location[0]);
      if ($location[0]['country']) {
        $loc[] = drupal_strtoupper($location[0]['country']);
      }
      $locs[] = implode(', ', $loc);
      $latlons[] = $location[0]['latitude'] . ',' . $location[0]['longitude'];
    }
    $content = getdirections_locations_via($locs, $latlons);
    return $content;
  }
}

/**
 * Function to setup the map scripts
 *
 * @param $defaults
 *   Required. the current settings.
 * Sets up the call to googlemaps, css and the relevant getdirections js in html head
 */
function getdirections_setup_map($defaults) {
  global $language;
  if (variable_get('use_v3', 0)) {

    // v3
    $query = array(
      'sensor' => 'false',
      'language' => $language->language,
    );
    $head = '<script src="' . url('http://maps.google.com/maps/api/js', array(
      'query' => $query,
    )) . '" type="text/javascript"></script>';
    $js = drupal_get_path('module', 'getdirections') . '/getdirections_v3.js';
  }
  else {

    // v2
    if (module_exists('gmap')) {
      $query = array(
        'file' => 'api',
        'v' => $defaults['api_version'] ? $defaults['api_version'] : GMAP_API_VERSION,
        'key' => gmap_get_key(),
        'hl' => $language->language,
      );
    }
    else {
      $query = array(
        'file' => 'api',
        'v' => $defaults['api_version'] ? $defaults['api_version'] : '2',
        'key' => variable_get('getdirections_api_key', ''),
        'hl' => $language->language,
      );
    }
    $head = '<script src="' . url('http://maps.google.com/maps', array(
      'query' => $query,
    )) . '" type="text/javascript"></script>';
    $js = drupal_get_path('module', 'getdirections') . '/getdirections_v2.js';
  }
  drupal_set_html_head($head);
  drupal_add_css(drupal_get_path('module', 'getdirections') . '/getdirections.css');
  drupal_add_js($js);
}

/**
 * Implementation of hook_views_api().
 */
function getdirections_views_api() {
  return array(
    'api' => 2,
  );
}

/**
 * Function to collect an address
 *
 * @param $location
 *
 * @return
 *   Returns array.
 */
function _getdirections_loadaddress($location) {
  if (isset($location['name']) && $location['name']) {
    $loc[] = $location['name'];
  }
  if (isset($location['street']) && $location['street']) {
    $loc[] = $location['street'];
  }
  if (isset($location['additional']) && $location['additional']) {
    $loc[] = $location['additional'];
  }
  if (isset($location['city']) && $location['city']) {
    $loc[] = $location['city'];
  }
  if (isset($location['province_name']) && $location['province_name']) {
    $loc[] = $location['province_name'];
  }
  if (isset($location['postal_code']) && $location['postal_code']) {
    $loc[] = $location['postal_code'];
  }
  return $loc;
}

/**
 * Function to check the user status and existence
 *
 * @param $uid
 *
 * @return
 *   Returns status.
 */
function getdirections_user_check($uid) {
  $result = db_query('SELECT status FROM {users} WHERE uid=%d', array(
    $uid,
  ));
  $row = db_fetch_array($result);
  return isset($row['status']) && $row['status'] ? TRUE : FALSE;
}

Functions

Name	Description
getdirections_defaults	Some defaults.
getdirections_direction	Function to setup the map and form
getdirections_direction_form	Function to setup the form
getdirections_fromto_load	menu placeholder functions
getdirections_help	Implementation of hook_help().
getdirections_id_load
getdirections_init	Implementation of hook_init().
getdirections_locations	Function to setup the map
getdirections_locations_via	Function to setup the map
getdirections_menu	Implementation of hook_menu().
getdirections_n2u_setlocation	Function to setup the map
getdirections_perm	Implementation of hook_perm().
getdirections_setlocation	Function to setup the map and form
getdirections_setlocations	Function to setup the map
getdirections_setlocations_via	Function to setup the map to display waypoints
getdirections_setup_map	Function to setup the map scripts
getdirections_u2n_setlocation	Function to setup the map and form
getdirections_uid_load
getdirections_user_check	Function to check the user status and existence
getdirections_user_setlocation	Function to setup the map and form
getdirections_user_setlocations	Function to setup the map
getdirections_user_setlocations_via	Function to setup the map to display waypoints
getdirections_via_load
getdirections_views_api	Implementation of hook_views_api().
_getdirections_loadaddress	Function to collect an address