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How to integrate a Google Maps Sidebar

  • So i’ve successfully created a google map that shows multiple markers and content – however, because there are so many markers, I’ve been trying to setup a sidebar (outside of the map) with a list of all the markers, to allow users to more easily locate a map marker by click the name of the marker in the sidebar, causing the marker in the map to locate/open.

    This seems like fairly common practice with Google Maps, but i’m not seeing anything on how to accomplish this with ACF/Repeater/maps functions.

    So far as i have i have a second iteration of the maps repeater spitting out a list of the locations (including map data/class) – but i’m not sure if it’s as simple as wrapping them in a link containing the marker or what exactly needs to happen. I’m lost, and have been for a month. Please help!

    Thanks!

  • Hi @tanmccuin,

    Thanks for the post.

    It looks like this feature is not yet available in the plugin outside the box but perhaps you can save the locations in a widget and use this to call the values into a new map object.

    I have however pitched this idea to the plugin author and hopefully this feature will see its way into the plugin soon.

  • Hi there,

    May I please ask if there has been any advancements or work around found for this request?

    I would also like to either use a sidebar or basic list below the map with place names and link to show on map

    Kind Regards
    Brad

  • Hi @brad100

    I’m afraid that feature is not available yet. If you need it right now, I suggest you hire a developer to help you out with it, and I’d recommend looking for one on https://studio.envato.com/, https://www.upwork.com/, or https://codeable.io/.

    Thanks 🙂

  • Hi James

    Many thanks for your reply. and recommendation. It is almost an essential feature when using a map with multiple markers.

    Otherwise it becomes a bit like a game of Pelmanism …

    All the best
    Brad

  • 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; ?>
  • Hi @katie

    Thank you very much for your reply and code example.

    I will pick this project up again next week and run through implementing your solution

    Greatly appreciated

    All the best
    Brad

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