Samples/Directions/Get Dragged Route Waypoints/Get Dragged Route Waypoints.html

﻿<!DOCTYPE html>
<html lang="en">
<head>
    <title>Get Dragged Route Waypoints - Bing Maps Samples</title>

    <meta charset="utf-8" />
	<link rel="shortcut icon" href="/favicon.ico"/>
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
    <meta name="description" content="This sample shows how to use the directions managers getAllWaypoints function to retrieve all the waypoints used to generate a route." />
    <meta name="keywords" content="Microsoft maps, map, gis, API, SDK, Bing, Bing Maps" />
    <meta name="author" content="Microsoft Bing Maps" />
    <meta name="screenshot" content="screenshot.jpg" />
    
    <script>
        var map, directionsManager;

        function GetMap()
        {
            map = new Microsoft.Maps.Map('#myMap', {});


            Microsoft.Maps.loadModule(['Microsoft.Maps.Directions'], function () {
                directionsManager = new Microsoft.Maps.Directions.DirectionsManager(map);

                //Create the initial route.
                directionsManager.addWaypoint(new Microsoft.Maps.Directions.Waypoint({ address: 'Seattle, WA' }));
                directionsManager.addWaypoint(new Microsoft.Maps.Directions.Waypoint({ address: 'Redmond, WA', isViaPoint: true }));
                directionsManager.addWaypoint(new Microsoft.Maps.Directions.Waypoint({ address: 'Bellevue, WA' }));

                //Add event handlers to directions manager.
                Microsoft.Maps.Events.addHandler(directionsManager, 'directionsUpdated', directionsUpdated);

                //Calculate directions.
                directionsManager.calculateDirections();
            });
        }

        function directionsUpdated(e) {
            map.entities.clear();

            var route = e.route[0];
            
            //Get the all the waypoints used to calculate the route, this includes any via waypoints created by dragging.
            var waypoints = directionsManager.getAllWaypoints();

            //Display the waypoint information as a table.
            var html = ['<table><tr><td>Address</td><td>Location</td><td>IsViapoint</td></tr>'];

            for (var i = 0, len = waypoints.length; i < len; i++) {
                html.push('<tr><td>', waypoints[i].getAddress(), '</td><td>', waypoints[i].getLocation(), '</td><td>', waypoints[i].isViapoint(), '</td></tr>');
            }

            html.push('</table>');

            document.getElementById('output').innerHTML = html.join('');
        }
    </script>
    
</head>
<body>
    <div id="myMap" style="position:relative;width:100%;min-width:290px;height:600px;background-color:gray"></div><br/>
    <div id="output"></div>

    <fieldset style="width:800px;margin-top:10px;">
        <legend>Get Dragged Route Waypoints Sample</legend>
        This sample shows how to use the directions managers getAllWaypoints function to retrieve all the waypoints used to generate a route. 
        This will also include viaWaypoints that were added by dragging the route. 
        Drag the rendered route to see the table update.
    </fieldset>

    <script>
        // Dynamic load the Bing Maps Key and Script
        // Get your own Bing Maps key at https://www.microsoft.com/maps
        (async () => {
            let script = document.createElement("script");
            let bingKey = await fetch("https://samples.azuremaps.com/api/GetBingMapsKey").then(r => r.text()).then(key => { return key });
            script.setAttribute("src", `https://www.bing.com/api/maps/mapcontrol?callback=GetMap&key=${bingKey}`);
            document.body.appendChild(script);
        })();
    </script>
</body>
</html>