ACF Google Map - Get Directions Link

acf-js.js

(function($) {

/*
*  new_map
*
*  This function will render a Google Map onto the selected jQuery element
*
*  @type	function
*  @date	8/11/2013
*  @since	4.3.0
*
*  @param	$el (jQuery element)
*  @return	n/a
*/

function new_map( $el ) {

	// var
	var $markers = $el.find('.marker');


	// vars
	var args = {
		zoom		: 16,
		center		: new google.maps.LatLng(0, 0),
		mapTypeId	: google.maps.MapTypeId.ROADMAP
	};


	// create map
	var map = new google.maps.Map( $el[0], args);


	// add a markers reference
	map.markers = [];


	// add markers
	$markers.each(function(){

    	add_marker( $(this), map );

	});


	// center map
	center_map( map );


	// return
	return map;

}

/*
*  add_marker
*
*  This function will add a marker to the selected Google Map
*
*  @type	function
*  @date	8/11/2013
*  @since	4.3.0
*
*  @param	$marker (jQuery element)
*  @param	map (Google Map object)
*  @return	n/a
*/

function add_marker( $marker, map ) {

	// var
	var latlng = new google.maps.LatLng( $marker.attr('data-lat'), $marker.attr('data-lng') );

	// create marker
	var marker = new google.maps.Marker({
		position	: latlng,
		map			: map
	});

	// add to array
	map.markers.push( marker );

	// if marker contains HTML, add it to an infoWindow
	if( $marker.html() )
	{
		// create info window
		var infowindow = new google.maps.InfoWindow({
			content		: $marker.html()
		});

		// show info window when marker is clicked
		google.maps.event.addListener(marker, 'click', function() {

			infowindow.open( map, marker );

		});
	}

}

/*
*  center_map
*
*  This function will center the map, showing all markers attached to this map
*
*  @type	function
*  @date	8/11/2013
*  @since	4.3.0
*
*  @param	map (Google Map object)
*  @return	n/a
*/

function center_map( map ) {

	// vars
	var bounds = new google.maps.LatLngBounds();

	// loop through all markers and create bounds
	$.each( map.markers, function( i, marker ){

		var latlng = new google.maps.LatLng( marker.position.lat(), marker.position.lng() );

		bounds.extend( latlng );

	});

	// only 1 marker?
	if( map.markers.length == 1 )
	{
		// set center of map
	    map.setCenter( bounds.getCenter() );
	    map.setZoom( 16 );
	}
	else
	{
		// fit to bounds
		  map.setCenter( bounds.getCenter() );
	   	map.setZoom( 2 ); // Change the zoom value as required
		//map.fitBounds( bounds ); // This is the default setting which I have uncommented to stop the World Map being repeated

	}

}

/*
*  document ready
*
*  This function will render each map when the document is ready (page has loaded)
*
*  @type	function
*  @date	8/11/2013
*  @since	5.0.0
*
*  @param	n/a
*  @return	n/a
*/
// global var
var map = null;

jQuery(document).ready(function($){

	$('.acf-map').each(function(){

		// create map
		map = new_map( $(this) );

	});


});

})(jQuery);

acf-map-js.php

<?php //<~ don't add me in

// Add in your functions.php
add_action( 'wp_enqueue_scripts', 'themeprefix_google_map_script' ); // Firing the JS and API
// Enqueue Google Map scripts
function themeprefix_google_map_script() {
	wp_enqueue_script( 'google-map', get_stylesheet_directory_uri() . '/js/dealer.js', array( 'jquery' ), '1.0.0', true );
	wp_enqueue_script( 'google-api', 'https://maps.googleapis.com/maps/api/js?key=AIzaSyDp1yayYfK-qOod7Kpt2x8u3Q8ZiuxMybc', null, null, true); // Add in your key
}

all-markers.php

<?php //<~ don't add me in

add_action( 'genesis_entry_content', 'themeprefix_add_marker_loop' );
// Output all dealers via a custom loop of the Dealer CPT and show the title and address field in the marker and link that to the Dealer CPT
function themeprefix_add_marker_loop() {

        $args = array(
                'post_type'      => 'dealer',
                'posts_per_page' => -1,
	);

        $the_query = new WP_Query($args);

        echo "<div class='map-container'><div class='wrap'><div class='acf-map'>";

        while ( $the_query->have_posts() ) : $the_query->the_post();

        $location = get_field('location');
        $title = get_the_title(); // Get the title

        if( !empty($location) ) {
        ?>
        	<div class="marker" data-lat="<?php echo $location['lat']; ?>" data-lng="<?php echo $location['lng']; ?>">
                        <h4><a href="<?php the_permalink(); ?>" rel="bookmark"> <?php the_title(); ?></a></h4>
                        <p class="address"><?php echo $location['address']; ?></p>
        	</div>
	<?php
        }
        endwhile;
        echo '</div></div></div>';
        wp_reset_postdata();
}

gdl.php

// Source - http://stackoverflow.com/questions/15042283/current-location-google-maps-link-to-directions
// Add markup in between .marker div

<div class="marker" data-lat="<?php echo $location['lat']; ?>" data-lng="<?php echo $location['lng']; ?>">
    <a href="https://www.google.com/maps?saddr=My+Location&daddr=<?php echo $location['address']; ?>" target="_blank"><?php _e('Get Directions','yourtheme'); ?></a>    
</div>

multiple-short-code.php

<?php //<~ don't add me in

add_shortcode( 'themeprefix_multiple_marker', 'themeprefix_multiple_marker' ); // Create shortcode [themeprefix_multiple_marker]
// Output all dealers via a custom loop of the Dealer CPT and show the title and address field in the marker and link that to the Dealer CPT
function themeprefix_multiple_marker() {
        ob_start();
        $args = array(
                'post_type'      => 'dealer',
                'posts_per_page' => -1,
	);

        $the_query = new WP_Query($args);

        echo "<div class='map-container'><div class='wrap'><div class='acf-map'>";

        while ( $the_query->have_posts() ) : $the_query->the_post();

        $location = get_field('location');
        $title = get_the_title(); // Get the title

        if( !empty($location) ) {
        ?>
        	<div class="marker" data-lat="<?php echo $location['lat']; ?>" data-lng="<?php echo $location['lng']; ?>">
                        <h4><a href="<?php the_permalink(); ?>" rel="bookmark"> <?php the_title(); ?></a></h4>
                        <p class="address"><?php echo $location['address']; ?></p>
        	</div>
	<?php
        }
        endwhile;
        echo '</div></div></div>';
        wp_reset_postdata();
  return ob_get_clean();
}

single-map.php

<?php //<~ don't add me in

add_action( 'genesis_entry_content', 'themeprefix_add_marker' ); // Hook in the field
// ACF Google Map Single Map Output
function themeprefix_add_marker() {

        $location = get_field('location');  // Set the ACF location field to a variable

        if( !empty($location) ) {
        ?>
                <div class="acf-map">
                        <div class="marker" data-lat="<?php echo $location['lat']; ?>" data-lng="<?php echo $location['lng']; ?>">
                                <h4><a href="<?php the_permalink(); ?>" rel="bookmark"> <?php the_title(); ?></a></h4> <!-- Output the title -->
                                <p class="address"><?php echo $location['address']; ?></p> <!-- Output the address -->
                        </div>
                </div>
        <?php
        }
}

single-short-code.php

<?php //<~ don't add me in

add_shortcode( 'themeprefix_single_marker', 'themeprefix_single_marker' ); // Create shortcode [themeprefix_single_marker]
// ACF Google Map Single Map Output
function themeprefix_single_marker() {
        ob_start();
        $location = get_field('location');  // Set the ACF location field to a variable

        if( !empty($location) ) {
        ?>
                <div class="acf-map">
                        <div class="marker" data-lat="<?php echo $location['lat']; ?>" data-lng="<?php echo $location['lng']; ?>">
                                <h4><a href="<?php the_permalink(); ?>" rel="bookmark"> <?php the_title(); ?></a></h4> <!-- Output the title -->
                                <p class="address"><?php echo $location['address']; ?></p> <!-- Output the address -->
                        </div>
                </div>
        <?php
        }
  return ob_get_clean();
}