Reply To: How to integrate a Google Maps Sidebar

• katie

• June 11, 2017 at 10:29 pm

Hi @brad100 use jquery to add an identifier to each marker

<script src="//ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
<script type="text/javascript">
jQuery(document).ready(function($){
        var infowindow;
/*
*  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
  // add identifying number to each marker
    var sidebar = 1;
		$markers.each(function(){
    add_marker( $(this), map, sidebar);
      sidebar++;
	});

	// 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, sidebar) {

	// 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
		infowindow = new google.maps.InfoWindow({
			content		: $marker.html()
		});
    // Create a click on the sidebar list and open the info window
		$('#m'+sidebar).click(function(){
      // Close info windows
	    $.each(map.markers, function(index,value){
	        if(infowindow)
          	infowindow.close();
      });
	    // Click on the marker
	    google.maps.event.trigger(marker, "click");
		});
		// 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.fitBounds( bounds );
	}

}

/*
*  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;

$(document).ready(function(){

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

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

	});

});

});
</script>

	<?php if( have_rows('locations') ): ?>
		<ul class="buttons">
			<?php while ( have_rows('locations') ) : the_row();
			$location = get_sub_field('location');
			// Create identifiers for markers [id=m#]
        $i++;
        ?>
				<li class="view_location" id="m<?=$i?>" data-lat="<?php echo $location['lat']; ?>" data-lng="<?php echo $location['lng']; ?>"><?php the_sub_field('title'); ?></li>
			<?php endwhile; ?>
		</ul>
		<div class="acf-map">
			<?php while ( have_rows('locations') ) : the_row();
				$location = get_sub_field('location');

				?>
				<div class="marker" data-lat="<?php echo $location['lat']; ?>" data-lng="<?php echo $location['lng']; ?>">
					<h4><?php the_sub_field('title'); ?></h4>
					<p class="address"><?php echo $location['address']; ?></p>
					<p><?php the_sub_field('description'); ?></p>
				</div>
		<?php endwhile; ?>
		</div>
	<?php endif; ?>