2015-04-19 16:46:59 +02:00

566 lines
18 KiB
PHP

<?php
/**
* @file
* Views 3 support for Location.
*/
/*
TODO:
* Finish porting!
* Write "relationships" -- see book.views.inc, upload.views.inc, nodequeue...
*/
/**
* Implementation of hook_views_handlers().
*/
function location_views_handlers() {
return array(
'info' => array(
'path' => drupal_get_path('module', 'location') .'/handlers',
),
'handlers' => array(
'location_views_handler_field_latitude' => array(
'parent' => 'views_handler_field',
),
'location_views_handler_field_longitude' => array(
'parent' => 'location_views_handler_field_latitude',
),
'location_views_handler_field_coordinates' => array(
'parent' => 'location_views_handler_field_latitude',
),
'location_handler_field_location_country' => array(
'parent' => 'views_handler_field',
),
'location_handler_filter_location_country' => array(
'parent' => 'views_handler_filter_in_operator',
),
'location_handler_argument_location_country' => array(
'parent' => 'views_handler_argument',
),
'location_handler_field_location_province' => array(
'parent' => 'views_handler_field',
),
'location_handler_filter_location_province' => array(
'parent' => 'views_handler_filter',
),
'location_handler_argument_location_province' => array(
'parent' => 'views_handler_argument',
),
'location_handler_argument_location_proximity' => array(
'parent' => 'views_handler_argument',
),
'location_handler_field_location_address' => array(
'parent' => 'views_handler_field',
),
'location_handler_field_location_street' => array(
'parent' => 'views_handler_field',
),
'location_views_handler_filter_proximity' => array(
'parent' => 'views_handler_filter',
),
'location_handler_field_location_distance' => array(
'parent' => 'views_handler_field',
),
'location_handler_sort_location_distance' => array(
'parent' => 'views_handler_sort',
),
// 'location_handler_relationship_location_distance' => array(
// 'parent' => 'views_handler_relationship',
// ),
// 'location_handler_field_location_coordinates_user' => array(
// 'parent' => 'views_handler_field',
// ),
),
);
}
/**
* Implementation of hook_views_data().
*/
function location_views_data() {
// ----------------------------------------------------------------
// location table -- basic table information.
// Define the base group of this table. Fields that don't
// have a group defined will go into this field by default.
$data['location']['table']['group'] = t('Location');
// Advertise this table as a possible base table
$data['location']['table']['base'] = array(
'field' => 'lid',
'title' => t('Location'),
'help' => t('Locations are addresses and map coordinates.'),
'weight' => -10,
);
$data['location']['table']['join'] = array(
// Location links to node through location_instance via lid.
'node' => array(
'left_table' => 'location_instance',
'left_field' => 'lid',
'field' => 'lid',
),
// Location links to node_revision through location_instance via lid.
'node_revision' => array(
'left_table' => 'location_instance',
'left_field' => 'lid',
'field' => 'lid',
),
// Location links to users through location_instance via lid.
'users' => array(
'left_table' => 'location_instance',
'left_field' => 'lid',
'field' => 'lid',
),
);
// ----------------------------------------------------------------
// location table -- fields
// lid
$data['location']['lid'] = array(
'title' => t('Lid'),
'help' => t('The location ID of the location.'), // The help that appears on the UI,
// Information for displaying the lid
'field' => array(
'handler' => 'views_handler_field', // @@@
'click sortable' => TRUE,
),
// Information for accepting a lid as an argument
/*
'argument' => array(
'handler' => 'views_handler_argument_node_nid',
'name field' => 'title', // the field to display in the summary.
'numeric' => TRUE,
'validate type' => 'nid',
),
*/
// Information for accepting a lid as a filter
'filter' => array(
'handler' => 'views_handler_filter_numeric',
'allow empty' => TRUE,
),
// Information for sorting on a lid.
'sort' => array(
'handler' => 'views_handler_sort',
),
);
$data['location']['name'] = array(
'title' => t('Name'),
'help' => t('The name of the selected location.'),
'field' => array(
'click sortable' => TRUE,
),
'filter' => array(
'handler' => 'views_handler_filter_string',
),
'sort' => array(
'handler' => 'views_handler_sort',
),
);
// @@@ 1.x Conversion -- 'additional' => 'street', style 'additional'
$data['location']['street'] = array(
'title' => t('Street'),
'help' => t('The street address of the selected location.'),
'field' => array(
'handler' => 'location_handler_field_location_street',
'click sortable' => TRUE,
),
'filter' => array(
'handler' => 'views_handler_filter_string',
),
'sort' => array(
'handler' => 'views_handler_sort',
),
);
$data['location']['city'] = array(
'title' => t('City'),
'help' => t('The city of the selected location.'),
'field' => array(
'click sortable' => TRUE,
),
'argument' => array(
'handler' => 'views_handler_argument_string',
'empty field name' => t('Unknown'),
),
'filter' => array(
'handler' => 'views_handler_filter_string',
),
'sort' => array(
'handler' => 'views_handler_sort',
),
);
// @@@ 1.x Conversion -- 'province' => 'province', style 'name'; 'province_code' => 'province', style 'code'
$data['location']['province'] = array(
'title' => t('Province'),
'help' => t('The province of the selected location.'),
'field' => array(
'handler' => 'location_handler_field_location_province',
'click sortable' => TRUE,
),
'argument' => array(
'handler' => 'location_handler_argument_location_province',
//'name field' => 'name',
),
'filter' => array(
'handler' => 'location_handler_filter_location_province',
),
'sort' => array(
'handler' => 'views_handler_sort',
// TODO: needs handler to sort by name, not code
),
);
$data['location']['postal_code'] = array(
'title' => t('Postal Code'),
'help' => t('The postal code of the selected location.'),
'field' => array(
'click sortable' => TRUE,
),
'filter' => array(
'handler' => 'views_handler_filter_string',
),
'sort' => array(
'handler' => 'views_handler_sort',
),
);
// @@@ 1.x Conversion -- 'country' => 'country', style 'name'; 'country_code' => 'country', style 'code'.
$data['location']['country'] = array(
'title' => t('Country'),
'help' => t('The country of the selected location.'),
'field' => array(
'handler' => 'location_handler_field_location_country',
'click sortable' => TRUE,
),
'argument' => array(
'handler' => 'location_handler_argument_location_country',
//'name field' => 'name',
),
'filter' => array(
'handler' => 'location_handler_filter_location_country',
),
'sort' => array(
'handler' => 'views_handler_sort',
// TODO: needs handler to sort by name, not code
),
);
$data['location']['latitude'] = array(
'title' => t('Latitude'),
'help' => t('The latitude of the selected location.'),
'field' => array(
'handler' => 'location_views_handler_field_latitude',
'click sortable' => TRUE,
),
'filter' => array(
'handler' => 'views_handler_filter_numeric',
),
'sort' => array(
'handler' => 'views_handler_sort',
),
);
$data['location']['longitude'] = array(
'title' => t('Longitude'),
'help' => t('The longitude of the selected location.'),
'field' => array(
'handler' => 'location_views_handler_field_longitude',
'click sortable' => TRUE,
),
'filter' => array(
'handler' => 'views_handler_filter_numeric',
),
'sort' => array(
'handler' => 'views_handler_sort',
),
);
$data['location']['coordinates'] = array(
'title' => t('Coordinates'),
'help' => t("The coordinates of the selected location in 'lat, long' format."),
'field' => array(
'field' => 'latitude', // The handler adds the longitude.
'handler' => 'location_views_handler_field_coordinates',
'click sortable' => FALSE,
),
);
$data['location']['distance'] = array(
'title' => t('Distance / Proximity'),
'help' => t("The distance from the selected location and either the current user or a specific location."),
'field' => array(
'handler' => 'location_handler_field_location_distance',
'click sortable' => TRUE,
),
'sort' => array(
'handler' => 'location_handler_sort_location_distance',
),
'argument' => array(
'handler' => 'location_handler_argument_location_proximity',
),
'filter' => array(
'handler' => 'location_views_handler_filter_proximity',
),
// 'relationship' => array(
// 'handler' => 'location_handler_relationship_location_distance',
// ),
);
// $data['location']['coordinates_user'] = array(
// 'title' => t('Coordinates of logged-on user'),
// 'help' => t('This will contain the coordinates of the logged-on user.'),
// 'field' => array(
// 'handler' => 'location_handler_field_location_coordinates_user',
// 'click sortable' => FALSE,
// ),
// );
/*
'latitude' => array(
'name' => t('Latitude'),
'sortable' => TRUE,
),
'longitude' => array(
'name' => t('Longitude'),
'sortable' => TRUE,
),
*/
$data['location']['address'] = array(
'title' => t('Address'),
'help' => t('The entire address block for the location.'),
'field' => array(
'field' => 'lid',
'handler' => 'location_handler_field_location_address',
'element type' => 'div',
),
);
$data['location_instance']['table']['group'] = t('Location');
$data['location_instance']['table']['join'] = array(
'location' => array(
'left_field' => 'lid',
'field' => 'lid',
),
'users' => array(
'left_field' => 'uid',
'field' => 'uid',
),
'node' => array(
'left_field' => 'vid',
'field' => 'vid',
),
'node_revision' => array(
'left_field' => 'vid',
'field' => 'vid',
),
);
// Tell the base tables about us.
$data['node']['table']['join']['location'] = array(
'left_table' => 'location_instance',
'left_field' => 'vid',
'field' => 'vid',
);
$data['node_revision']['table']['join']['location'] = array(
'left_table' => 'location_instance',
'left_field' => 'vid',
'field' => 'vid',
);
$data['users']['table']['join']['location'] = array(
'left_table' => 'location_instance',
'left_field' => 'uid',
'field' => 'uid',
);
return $data;
}
/**
* Helper function for proximity handlers.
* Gets a list of available node location and cck location fields.
*
* @return
* An array of the location field options.
*/
function location_views_proximity_get_location_field_options() {
// Get the CCK location field options.
$field_options = array('node' => t('Node location'));
if (module_exists('location_cck')) {
$fields = field_info_fields();
foreach ($fields as $field) {
if ($field['module'] == 'location_cck') {
$field_options[$field['field_name']] = t('CCK Location: @name', array('@name' => $field['field_name']));
}
}
}
return $field_options;
}
/**
* Helper function for proximity handlers.
* Gets available arguments for argument related handler options.
*
* @param $view
* The view object.
*
* @return
* An array containing arrays of the nid arguments and the uid arguments.
*/
function location_views_proximity_get_argument_options($view) {
// Get the arguments for this view so we can use nid, uid or Global: Null arguments.
$uid_argument_options = array();
$nid_argument_options = array();
$arguments = $view->display_handler->get_handlers('argument');
foreach ($arguments as $id => $handler) {
if ($handler->field == 'null') {
$uid_argument_options[$id] = $handler->ui_name();
$nid_argument_options[$id] = $handler->ui_name();
}
else if ($handler->field == 'nid') {
$nid_argument_options[$id] = $handler->ui_name();
}
else if ($handler->field == 'uid') {
$uid_argument_options[$id] = $handler->ui_name();
}
}
return array($nid_argument_options, $uid_argument_options);
}
/**
* Helper function for proximity handlers.
* Retrieves the coordinates of the location that this field measures distances against.
*
* @param $view
* The view object.
* @param $options
* An array of the options (or values in the case of the filter) of the handler.
*
* @return
* An array with keys 'latitude' and 'longitude' or an empty array.
*/
function location_views_proximity_get_reference_location($view, $options) {
$coordinates = array();
switch ($options['origin']) {
case 'user':
case 'hybrid':
global $user;
$user_locations = isset($user->locations) ? $user->locations : location_load_locations($user->uid, 'uid');
// This user_location_delta will only possibly be set if we are dealing with the filter.
$i = (isset($options['user_location_delta']) && !empty($options['user_location_delta'])) ? $options['user_location_delta'] : 0;
if (isset($user_locations[$i]['latitude']) || !empty($user_locations[$i]['latitude'])) {
$coordinates['latitude'] = (float) $user_locations[$i]['latitude'];
$coordinates['longitude'] = (float) $user_locations[$i]['longitude'];
}
else if ($options['origin'] == 'hybrid') {
$coordinates['latitude'] = (float) $options['latitude'];
$coordinates['longitude'] = (float) $options['longitude'];
}
break;
case 'static':
case 'latlon_gmap':
$coordinates['latitude'] = (float) $options['latitude'];
$coordinates['longitude'] = (float) $options['longitude'];
break;
case 'tied':
if (!empty($view->filter)) {
foreach ($view->filter as $filter) {
if ($filter->table == 'location' && $filter->field == 'distance' && $filter->options['relationship'] == $options['relationship']) {
$filter_options = array_merge($filter->options, $filter->options['value'], $filter->value);
if ($coords = location_views_proximity_get_reference_location($view, $filter_options)) {
$coordinates['latitude'] = (float) $coords['latitude'];
$coordinates['longitude'] = (float) $coords['longitude'];
}
}
}
}
break;
case 'postal':
case 'postal_default':
// Force default for country.
if ($options['origin'] == 'postal_default') {
$options['country'] = variable_get('location_default_country', 'us');
}
// Zip code lookup.
if (!empty($options['postal_code']) && !empty($options['country'])) {
$coords = location_latlon_rough($options);
if ($coords) {
$coordinates['latitude'] = (float) $coords['lat'];
$coordinates['longitude'] = (float) $coords['lon'];
}
}
break;
case 'php':
ob_start();
$result = eval($options['php_code']);
ob_end_clean();
if ($result && $result['latitude'] && $result['longitude']) {
$coordinates['latitude'] = (float) $result['latitude'];
$coordinates['longitude'] = (float) $result['longitude'];
}
break;
case 'nid_arg':
if ($nodehandler = $view->display_handler->get_handler('argument', $options['nid_arg'])) {
$nid = $nodehandler->get_value();
if ($nid && is_numeric($nid) && $tempnode = node_load($nid)) {
$field_name = $options['nid_loc_field'];
if ($field_name == 'node') {
$coordinates['latitude'] = (float) $tempnode->location['latitude'];
$coordinates['longitude'] = (float) $tempnode->location['longitude'];
}
else {
if (isset($tempnode->$field_name)) {
$cck_location = $tempnode->$field_name;
if (isset($cck_location[LANGUAGE_NONE][0]['longitude']) && isset($cck_location[LANGUAGE_NONE][0]['latitude'])) {
$coordinates['latitude'] = (float) $cck_location[LANGUAGE_NONE][0]['latitude'];
$coordinates['longitude'] = (float) $cck_location[LANGUAGE_NONE][0]['longitude'];
}
else if (isset($cck_location[0]['longitude']) && isset($cck_location[0]['latitude'])) {
$coordinates['latitude'] = (float) $cck_location[0]['latitude'];
$coordinates['longitude'] = (float) $cck_location[0]['longitude'];
}
}
}
}
}
break;
case 'uid_arg':
if ($userhandler = $view->display_handler->get_handler('argument', $options['uid_arg'])) {
$uid = $userhandler->get_value();
if ($uid && is_numeric($uid) && $tempuser = user_load(array('uid' => $uid))) {
$coordinates['latitude'] = (float) $tempuser->location['latitude'];
$coordinates['longitude'] = (float) $tempuser->location['longitude'];
}
}
break;
case 'distance_arg':
foreach ($view->argument as $argument) {
if ($argument->field == 'distance') {
list($coords, $search_distance) = explode('_', $view->args[$argument->position]);
list($lat, $lon) = explode(',', $coords);
break;
}
}
$coordinates['latitude'] = (float) $lat;
$coordinates['longitude'] = (float) $lon;
break;
}
return $coordinates;
}