gmop-functions.php

<?php


/**
 * Calculates distance between two coordinates.
 *
 * @param float $lat1 The latitude of first object
 * @param float $lon1 The longitude of first object
 * @param float $lat2 The latitude of second object
 * @param float $lon2 The longitude of second object
 *
 * @return float The distance
 */
function gmop_distance( $lat1, $lon1, $lat2, $lon2 ) {
	$distance = ( 3958 * 3.1415926 * sqrt( ( $lat2 - $lat1 ) * ( $lat2 - $lat1 ) + cos( $lat2 / 57.29578 ) * cos( $lat1 / 57.29578 ) * ( $lon2 - $lon1 ) * ( $lon2 - $lon1 ) ) / 180 );

	return $distance;
}


/**
 * Register a table with $wpdb.
 *
 * @param string $key The key to be used on the $wpdb object
 * @param string $name The actual name of the table, without $wpdb->prefix
 *
 * @return void
 */
function gmop_register_table( $key, $name = false ) {
	global $wpdb;

	if ( ! $name ) {
		$name = $key;
	}

	$wpdb->tables[] = $name;
	$wpdb->$key = $wpdb->prefix . $name;
}


/**
 * Create GMOP map
 */
function gmop_map( $postid, $base_address, $base_title ) {
	global $wpdb;

	if ( ! is_single() ) {
		return;
	}

		$gmop_api_key = get_option('gmop_api_key');
		$gmop_gmaps_loc = get_option('gmop_gmaps_loc');
		$gmop_latitude = get_post_meta($postid, 'gmop_latitude', true);
		$gmop_longitude = get_post_meta($postid, 'gmop_longitude', true);
		$geocode = true;

		if ( empty($gmop_latitude) || empty($gmop_longitude) ) {
			$base_url = $gmop_gmaps_loc . "/maps/geo?output=csv&key=" . $gmop_api_key;
			$request_url = $base_url . "&q=" . urlencode($base_address);

			$ch = curl_init();
			curl_setopt($ch, CURLOPT_URL, $request_url);
			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
			curl_setopt($ch, CURLOPT_HEADER, 0);
			curl_setopt($ch, CURLOPT_TIMEOUT, 20);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
			$csv = curl_exec($ch);
			curl_close($ch);

			$csvSplit = split(",", $csv);
			$status = $csvSplit[0];
			$lat = $csvSplit[2];
			$lng = $csvSplit[3];
			if (strcmp($status, "200") == 0) {
				// successful geocode
				update_post_meta($postid, 'gmop_latitude', $lat);
				update_post_meta($postid, 'gmop_longitude', $lng);
				$gmop_latitude = get_post_meta($postid, 'gmop_latitude', true);
				$gmop_longitude = get_post_meta($postid, 'gmop_longitude', true);
			} else {
				// failure to geocode
				$geocode = false;
				$gmop_latitude = get_option('gmop_default_latitude');
				$gmop_longitude = get_option('gmop_default_longitude');
			}
		}

		$typetable_name = $wpdb->prefix . "gmop_markers";
		$gmoptypes = $wpdb->get_results("SELECT * FROM $typetable_name ORDER BY priority DESC", OBJECT);

		echo '<script src="'.$gmop_gmaps_loc.'/maps?file=api&amp;v=3&amp;key='.$gmop_api_key.'" type="text/javascript"></script>';
		echo '<script src="'.plugins_url( '/js/markerclusterer_packed.js', __FILE__ ).'" type="text/javascript"></script>';
		echo '<script src="'.plugins_url( '/cache/data.json', __FILE__ ).'" type="text/javascript"></script>';
		echo '';
?>
<div id="gmop_control">
	<p id="gmop_controls">
<?php
	if ($gmoptypes) {
		foreach ($gmoptypes as $gmoptype){
			echo '<label id="gmopgroup' . $gmoptype->ID . '_label">';
			echo '<input type="checkbox" checked="" onclick="toggleGroupp(\'gmopgroup' . $gmoptype->ID . '\')" id="gmopgroup' . $gmoptype->ID . 'Checkbox">';
			echo ' <img src="' . $gmoptype->image_url . '"> ' . $gmoptype->title . ' ';
			echo '</label>';
		}
	}
// onclick="toggleGroup('gmopgroup1')"
?>
	</p>
</div>

<div id="gmop_maps"></div>

		<script type="text/javascript">
			//<![CDATA[
<?php
	if ( $gmoptypes ) {
		echo 'function refreshGroup() { ';
		foreach ( $gmoptypes as $gmoptype ) {
			echo 'toggleGroupp(\'gmopgroup' . $gmoptype->ID . '\'); ';
		}
		echo ' }';
	}
?>

				if(GBrowserIsCompatible()) {
					var address = "<?php echo $base_address; ?>";
					var marker_address = "<p style='font-family:Arial; font-size:11px;'><strong><?php echo $base_title; ?></strong><br>" + address + "</p>";

					var map = new GMap2(document.getElementById('gmop_maps'));
					var icon = [];
					icon['0'] = new GIcon(G_DEFAULT_ICON);
					icon['0'].image = "http://chart.apis.google.com/chart?cht=mm&chs=24x32&chco=FFFFFF,008CFF,000000&ext=.png";
<?php
	if ( $gmoptypes ) {
		foreach ( $gmoptypes as $gmoptype ) {
			echo 'icon[\'' . $gmoptype->ID . '\'] = new GIcon(G_DEFAULT_ICON); ';
			echo 'icon[\'' . $gmoptype->ID . '\'].image = "' . $gmoptype->image_url . '"; ';
			echo 'icon[\'' . $gmoptype->ID . '\'].iconSize = new GSize(24, 24); ';
		}
	}
?>
					var markers = [];
<?php
	if ( $gmoptypes ) {
		echo 'var markerGroups = { ';
		foreach ( $gmoptypes as $gmoptype ) {
			echo '"gmopgroup' . $gmoptype->ID . '": [], ';
		}
		echo ' };';
	}
?>

<?php
	if (!$geocode) {
?>
					document.getElementById("map_canvas").innerHTML = "<p style='font-family:Arial; font-size:75%;'>" + address + " <strong><?php _e( 'Address not found!', GMOP_TD ); ?></strong></p>";
<?php
	}
?>

					map.setCenter(new GLatLng(<?php echo $gmop_latitude; ?>, <?php echo $gmop_longitude; ?>), 13);
					map.addControl(new GLargeMapControl3D());
					map.addControl(new GOverviewMapControl());


					var latlng = new GLatLng(<?php echo $gmop_latitude; ?>, <?php echo $gmop_longitude; ?>);
					var marker = new GMarker(latlng, {icon: icon['0']});
					var contentString = marker_address;
					var fn = markerClick(contentString, latlng);
					GEvent.addListener(marker, "click", fn);
					markers.push(marker);

					for (var i = 0; i < data.count; ++i) {
						var latlng = new GLatLng(data.objects[i].object_latitude, data.objects[i].object_longitude);
						var marker = new GMarker(latlng, {icon: icon[data.objects[i].object_marker_id]});

						var contentString = "<p style='font-family:Arial; font-size:11px;'><strong>" + data.objects[i].object_title + "</strong><br>" + data.objects[i].object_desc + "<br><strong>URL: </strong><a href='" + data.objects[i].object_url + "'>" + data.objects[i].object_url + "</a></p>";
						var fn = markerClick(contentString, latlng);
						GEvent.addListener(marker, "click", fn);

						var type = data.objects[i].object_marker;
						markerGroups[type].push(marker);
						markers.push(marker);
					}

					var mcOptions = {maxZoom: 13};
					var markerCluster = new MarkerClusterer(map, markers, mcOptions);
					var markerClusterG = new MarkerClusterer(map, markerGroups, mcOptions);

					GEvent.addListener(map, "mousemove", function() {
						refreshGroup();
					});
					GEvent.addListener(map, "tilesloaded", function() {
						refreshGroup();
					});


				} else {
					alert("<?php _e( 'Sorry, Google Maps API is not compatible with Your Web Browser', GMOP_TD ); ?>");
				}
			//]]>
		</script>


<div id="gmop_nearby_objects">
	<div class="clearfix">
		<div class="header">
			<h2><?php _e( 'Nearby objects', GMOP_TD ); ?></h2>
		</div>
		<div id="gmop_list_tab_set">
<?php
	if ( $gmoptypes ) {
		$i = 0;
		foreach ( $gmoptypes as $gmoptype ) {
			if ( $i ) { $tabclass = "unhighlight"; } else { $tabclass = "highlight"; }
			echo '<div onclick="toggle_object_tabs(this);" class="tab ' . $tabclass . '" id="block' . $gmoptype->ID . '_tab"> ' . $gmoptype->title . ' </div>';
			$i++;
		}
	}
?>
		</div>
	</div>
	<div class="clearfix" id="gmop_content">

<?php
	if ( $gmoptypes ) {
		$gmop_search_distance = 0.5;
		$gmop_latitude_plus = $gmop_latitude + $gmop_search_distance;
		$gmop_latitude_minus = $gmop_latitude - $gmop_search_distance;
		$gmop_longitude_plus = $gmop_longitude + $gmop_search_distance;
		$gmop_longitude_minus = $gmop_longitude - $gmop_search_distance;
		$objecttable_name = $wpdb->prefix . "gmop_objects";
		$i = 0;
		foreach ( $gmoptypes as $gmoptype ) {
			if ( $i ) { $tabstyle = "none"; } else { $tabstyle = "block"; }
			echo '<div style="display: ' . $tabstyle . ';" id="block' . $gmoptype->ID . '_tab_content">';
			echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tbody>';
			echo '<tr> <th width="80%" class="first">' . __( 'Object name', GMOP_TD ) . '</th> <th width="20%" align="center">' . __( 'Distance', GMOP_TD ) . '</th> </tr>';

			$markerid = $gmoptype->ID;
			$gmopobjects = $wpdb->get_results("SELECT * FROM $objecttable_name WHERE marker = '$markerid' AND (latitude BETWEEN $gmop_latitude_minus AND $gmop_latitude_plus ) AND (longitude BETWEEN $gmop_longitude_minus AND $gmop_longitude_plus ) ORDER BY ID ASC LIMIT 5", OBJECT);
			if ( $gmopobjects ) {
				foreach ( $gmopobjects as $gmopobject ) {
					$gmopobjectdistance = round(gmop_distance($gmop_latitude, $gmop_longitude, $gmopobject->latitude, $gmopobject->longitude), 2);
					echo '<tr><td class="first">' . $gmopobject->title . '</td>';
					echo '<td align="center">' . $gmopobjectdistance . ' km</td></tr>';
					echo '<tr><td class="comment" colspan="2">' . $gmopobject->description . '</td></tr>';
				}
			} else {
				echo '<tr><td class="comment" colspan="2">' . __( 'No objects found.', GMOP_TD ) . '</td></tr>';
			}

			echo '</tbody></table>';
			echo '</div>';
			$i++;
		}
	}
?>

	</div>
</div>
<script language="javascript">
<?php
	if ($gmoptypes) {
		$gmoptabarray = 'var valid_object_tabs_ids = new Array(';
		foreach ( $gmoptypes as $gmoptype ) {
			$gmoptabarray .= '\'block' . $gmoptype->ID . '_tab\', ';
		}
		$gmoptabarray = substr($gmoptabarray, 0, -2);
		$gmoptabarray .= ');';
		echo $gmoptabarray;
	}
?>
</script>

<?php


}