Demontrates a single record template for Participants Database that includes a location map for the listing

pdb-single-gmap.php

<?php
/*
 * template for showing a google map in a single record template
 *
 */
/*
 * this is the name of the group the address fields are in
 * 
 * change this to match the name of the group that contains your address fields
 */
$group = 'address';

// this is in case there a multiple instances of this template on a page
if ( !function_exists( 'xnau_gmap_src' ) ) :
/**
 * generates the SRC value for a Google Maps iframe embed from the address fields of a PDB record
 *
 * @param object $fields a PDB record fields object ($this->record->$group->fields)
 * @return string the src value for the iframe
 */
function xnau_gmap_src( $fields )
{
  /**
   * these are the fieldnames for the address
   *
   * change these to match the names of the address fields in your setup
   */
  $address_fields = array('address', 'city', 'state', 'country');

  // assemble the address search string from the address fields
  $address = array();
  foreach ( $address_fields as $field ) {
    $v = $fields->$field->value;
    if ( !empty( $v ) )
      $address[] = $v;
  }
  // convert the array of values into a comma-separated list
  $search = implode( ',', $address );
  /*
   * this is where the default parameters of the map are set with notes on some
   * of the more useful ones. There are more, these are just the ones most likely
   * to need setting. A full explanation of the parameters can be found here:
   * https://moz.com/ugc/everything-you-never-wanted-to-know-about-google-maps-parameters
   */
  $gmap_params = array(
      'q'       => $search, // address search
      'mrt'     => 'loc',   // search type: loc = location, yp - business
      't'       => 'm',     // map type: m - map, k - satellite, h - hybrid, p - terrain
      'z'       => 10,      // zoom level: 1 - 20
      'om'      => 0,       // overview map: 1 - show, 0 - don't show
      'output'  => 'embed', // output type
      'f'       => 'q',     // search form type: q - standard, d - directions, l - local
  );
  return 'https://maps.google.com/maps?' . build_query( $gmap_params );
}
endif;

?>
<style>
  .googlemap-embed {
    width:99%;
    height:350px;
    border: 1px solid #777777;
  }
</style>

<div class="wrap  <?php echo $this->wrap_class ?>">

  <?php while ( $this->have_groups() ) : $this->the_group(); ?>

    <section class="<?php $this->group->print_class() ?> field-group" style="overflow:auto">

      <?php $this->group->print_title( '<h2 class="field-group-title" >', '</h2>' ) ?>

      <?php $this->group->print_description( '<p>', '</p>' ) ?>

      <?php
      while ( $this->have_fields() ) : $this->the_field();

        // CSS class for empty fields
        $empty_class = $this->get_empty_class( $this->field );
        ?>

        <dl class="dl-horizontal <?php echo Participants_Db::$prefix . $this->field->name ?>">

          <dt class="<?php echo $this->field->name . ' ' . $empty_class ?>"><?php $this->field->print_label() ?></dt>

          <dd class="<?php echo $this->field->name . ' ' . $empty_class ?>"><?php $this->field->print_value() ?></dd>

        </dl>

      <?php endwhile; // end of the fields loop ?>


    </section>

  <?php endwhile; // end of the groups loop ?>


  <dl class="locationmap">
    <dt>Map</dt>
    <dd>
      <iframe class="googlemap-embed" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="<?php echo xnau_gmap_src( $this->record->{$group}->fields ) ?>"></iframe>
    </dd>
  </dl>

</div>