Samples/Drawing Tools/Shape Metadata/Shape Metadata.html

﻿<!DOCTYPE html>
<html lang="en">
<head>
    <title>Shape Metadata - 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="Add and read metadata to or from a shape." />
    <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, drawingManager;

    function GetMap() {
        map = new Microsoft.Maps.Map('#myMap', {});
        
        //Create a random 5 sided polyogn that fills a decent portion of the map.
        var polygon = Microsoft.Maps.TestDataGenerator.getPolygons(1, map.getBounds(), 5, 0.8);

        //Add some metadata to the shape.
        polygon.metadata = {
            value: 'hello world'
        };

        //Load the DrawingTools module.
        Microsoft.Maps.loadModule('Microsoft.Maps.DrawingTools', function () {
            //Create an instance of the DrawingTools class and bind it to the map.
            var tools = new Microsoft.Maps.DrawingTools(map);
            //Show the drawing toolbar and enable editting on the map.
            tools.showDrawingManager(function (manager) {
                //Store a reference to the drawing manager as it will be useful later.
                drawingManager = manager;

                //Add polygon to drawing canvas.
                drawingManager.add(polygon);
            });
        });
    }

    function getMetadata() {
        var shapes = drawingManager.getPrimitives();

        if (shapes && shapes.length > 0) {
            if (shapes[0].metadata) {
                alert('Shapes metadata: ' + shapes[0].metadata.value);
            } else {
                alert('No metadata in shape.');
            }
        } else {
            alert('No shapes in the drawing manager.');
        }
    }
    </script>
    
</head>
<body>
    <div id="myMap" style="position:relative;width:100%;min-width:290px;height:600px;background-color:gray"></div><br />
<input type="button" value="Get Metadata" onclick="getMetadata()" />

    <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>