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<?php
/**
* Facilitates embedding one or more maps utilizing the Google Maps API.
*/
class Tribe__Events__Embedded_Maps {
/**
* Script handle for the embedded maps script.
*/
const MAP_HANDLE = 'tribe_events_embedded_map';
/**
* @var Tribe__Events__Embedded_Maps
*/
protected static $instance;
/**
* Post ID of the current event.
*
* @var int
*/
protected $event_id = 0;
/**
* Post ID of the current venue (if known/if can be determined).
*
* @var int
*/
protected $venue_id = 0;
/**
* Address of the current event/venue.
*
* @var string
*/
protected $address = '';
/**
* Container for map address data (potentially allowing for multiple maps
* per page).
*
* @var array
*/
protected $embedded_maps = [];
/**
* Indicates if the Google Maps API script has been enqueued.
*
* @var bool
*/
protected $map_script_enqueued = false;
/**
* @return Tribe__Events__Embedded_Maps
*/
public static function instance() {
if ( ! isset( self::$instance ) ) {
self::$instance = new self;
}
return self::$instance;
}
/**
* Returns the placeholder HTML needed to embed a map within a page and
* additionally enqueues supporting scripts, etc.
*
* @param int $post_id ID of the pertinent event or venue
* @param int $width
* @param int $height
* @param bool $force_load add the map even if no address data can be found
*
* @return string
*/
public function get_map( $post_id, $width, $height, $force_load ) {
$this->get_ids( $post_id );
// Bail if either the venue or event couldn't be determined
if ( ! tribe_is_venue( $this->venue_id ) && ! tribe_is_event( $this->event_id ) ) {
return apply_filters( 'tribe_get_embedded_map', '' );
}
$this->form_address();
if ( empty( $this->address ) && ! $force_load ) {
return apply_filters( 'tribe_get_embedded_map', '' );
}
$this->embedded_maps[] = [
'address' => $this->address,
'title' => esc_html( get_the_title( $this->venue_id ) ),
];
end( $this->embedded_maps );
$index = key( $this->embedded_maps );
ob_start();
if ( tribe_is_using_basic_gmaps_api() ) {
// Get a basic embed that doesn't use the JavaScript API
tribe_get_template_part(
'modules/map-basic',
null,
[
'embed_url' => tribe_get_basic_gmap_embed_url( $this->address ),
'address' => $this->address,
'index' => $index,
'width' => null === $width ? apply_filters( 'tribe_events_single_map_default_width', '100%' ) : $width,
'height' => null === $height ? apply_filters( 'tribe_events_single_map_default_height', '350px' ) : $height,
]
);
} else {
// Generate the HTML used to "house" the JavaScript API-enabled map
tribe_get_template_part(
'modules/map',
null,
[
'index' => $index,
'width' => null === $width ? apply_filters( 'tribe_events_single_map_default_width', '100%' ) : $width,
'height' => null === $height ? apply_filters( 'tribe_events_single_map_default_height', '350px' ) : $height,
]
);
}
$this->setup_scripts();
do_action( 'tribe_events_map_embedded', $index, $this->venue_id );
return apply_filters( 'tribe_get_embedded_map', ob_get_clean() );
}
protected function get_ids( $post_id ) {
$post_id = $post_id = Tribe__Events__Main::postIdHelper( $post_id );
$this->event_id = tribe_is_event( $post_id ) ? $post_id : 0;
$this->venue_id = tribe_is_venue( $post_id ) ? $post_id : tribe_get_venue_id( $post_id );
}
protected function form_address() {
$this->address = '';
$location_parts = [ 'address', 'city', 'state', 'province', 'zip', 'country' ];
// Form the address string for the map
foreach ( $location_parts as $val ) {
$address_part = call_user_func( 'tribe_get_' . $val, $this->venue_id );
if ( $address_part ) {
$this->address .= $address_part . ' ';
}
}
if ( class_exists( 'Tribe__Events__Pro__Geo_Loc' ) && empty( $this->address ) ) {
$overwrite = (int) get_post_meta( $this->venue_id, Tribe__Events__Pro__Geo_Loc::OVERWRITE, true );
if ( $overwrite ) {
$lat = get_post_meta( $this->venue_id, Tribe__Events__Pro__Geo_Loc::LAT, true );
$lng = get_post_meta( $this->venue_id, Tribe__Events__Pro__Geo_Loc::LNG, true );
$this->address = $lat . ',' . $lng;
}
}
}
public function get_map_data( $map_index ) {
return isset( $this->embedded_maps[ $map_index ] ) ? $this->embedded_maps[ $map_index ] : [];
}
public function update_map_data( $map_index, array $data ) {
$this->embedded_maps[ $map_index ] = $data;
$this->setup_scripts();
}
protected function setup_scripts() {
if ( ! $this->map_script_enqueued ) {
$this->enqueue_map_scripts();
}
// Provide address data
wp_localize_script(
self::MAP_HANDLE,
'tribeEventsSingleMap',
[
'addresses' => $this->embedded_maps,
'zoom' => apply_filters(
'tribe_events_single_map_zoom_level',
(int) tribe_get_option( 'embedGoogleMapsZoom', 8 )
),
'pin_url' => tribe( 'customizer' )->get_option( [ 'global_elements', 'map_pin' ], false ),
]
);
}
protected function enqueue_map_scripts() {
$api_key = tribe_get_option( 'google_maps_js_api_key', Tribe__Events__Google__Maps_API_Key::$default_api_key );
// bail if we don't have an API key
if ( empty( $api_key ) ) {
return;
}
tribe_asset_enqueue( 'tribe_events_google_maps_api' );
tribe_asset_enqueue( self::MAP_HANDLE );
$this->map_script_enqueued = true;
}
}