AzureMapsCodeSamples/Samples/Controls/Category legend options/Category legend options.html at main · Azure-Samples/AzureMapsCodeSamples · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <title>Category legend options - Azure Maps Web SDK 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 the different options of the category legend type." />
    <meta name="keywords" content="Microsoft maps, maps, map, API, SDK, GIS, legend, legend control" />
    <meta name="author" content="Microsoft Azure Maps" /><meta name="version" content="1.0" />
    <meta name="screenshot" content="screenshot.jpg" />

    <!-- Add references to the Azure Maps Map control JavaScript and CSS files. -->
    <link href="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.css" rel="stylesheet" />
    <script src="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.js"></script>

    <!-- Load in the JavaScript and CSS files that has our custom control. -->
    <link rel="stylesheet" href="/lib/azure-maps/azure-maps-layer-legend.min.css" type="text/css" />
    <script src="/lib/azure-maps/azure-maps-layer-legend.min.js"></script>

    <script>
        var map, legend;

        //Initial category options.
        var categoryLegend = {
            type: 'category',
            items: [
                {
                    color: 'DodgerBlue',
                    label: 'Hello',
                    shape: '/images/icons/campfire.png',
                    alt: 'Campfire'
                }, {
                    color: 'Yellow',
                    label: 'World',
                    shape: 'square'
                },  {
                    label: '10',
                    shapeSize: 10
                }, {
                    label: '20',
                    shapeSize: 20
                }, {
                    label: '30',
                    shapeSize: 30
                }, {
                    label: '40',
                    shapeSize: 40
                }
            ]
        };

        function getMap() {
            //Initialize a map instance.
            map = new atlas.Map('myMap', {
                view: 'Auto',
                language: 'Auto',

                //Add authentication details for connecting to Azure Maps.
                authOptions: {
                    // Use SAS token for authentication
                    authType: 'sas',
                    getToken: function (resolve, reject, map) {
                        // URL to your authentication service that retrieves a SAS Token
                        var tokenServiceUrl = 'https://samples.azuremaps.com/api/GetAzureMapsSasToken';

                        fetch(tokenServiceUrl).then(r => r.text()).then(token => resolve(token));
                    }

                    //Alternatively, use an Azure Maps key. Get an Azure Maps key at https://azure.com/maps. NOTE: The primary key should be used as the key.
                    //authType: 'subscriptionKey',
                    //subscriptionKey: '[YOUR_AZURE_MAPS_KEY]'
                }
            });

            //Wait until the map resources are ready.
            map.events.add('ready', function () {

               //Add the custom control to the map.
               legend = new atlas.control.LegendControl({
                    legends: [categoryLegend]
                });

                //Add the legend control to the map.
                map.controls.add(legend, {
                    position: 'bottom-left'
                });
            });
        }

        function updateLegend(property, elm){
            _updateLegend(property, elm.value);
        }

        function updateLegendCheck(property, elm){
            _updateLegend(property, elm.checked);
        }

        function updateLegendRange(property, elm){
            _updateLegend(property, parseInt(elm.value));
        }

        function updateLegendCheckValue(property, elm){
            _updateLegend(property, elm.checked ? elm.value : null);
        }

        function _updateLegend(property, value){
            //Copy the options so that the properties don't flow through without being set.
            categoryLegend = Object.assign({}, categoryLegend);
            categoryLegend[property] = value;

            legend.setOptions({
                legends: [categoryLegend]
            });
        }
    </script>
    <style>
        .sidePanel {
            width: 350px;
            height: 580px;
            float: left;
            margin-right: 10px;
        }

        #myMap {
            position: relative;
            width: calc(100% - 360px);
            min-width: 290px;
            height: 600px;
            float: left;
        }

        .customLegendCSS svg {
            stroke: red !important;
            stroke-dasharray: 2 2;
        }
    </style>
</head>
<body onload="getMap()">
    <div class="sidePanel">
        <fieldset style="width:320px;margin-bottom:10px;">
            <legend>Category legend options</legend>
            This sample shows how the different options of the category legend type.
        </fieldset>

        <table>
            <tr title="The title of the individual legend.">
                <td>Subtitle:</td>
                <td>
                   <input type="text" oninput="updateLegend('subtitle', this)" title="Subtitle" />
                </td>
            </tr>
            <tr title="The footer of the legend.">
                <td>Footer:</td>
                <td>
                   <input type="text" oninput="updateLegend('footer', this)" title="Footer" />
                </td>
            </tr>
            <tr title="An integer specifying the minimum zoom level to render the legend at.">
                <td>Min Zoom:</td>
                <td>
                    <form oninput="minz.value=MinZoom.value">
                        <input type="range" id="MinZoom" value="0" min="0" max="24" step="1" onchange="updateLegendRange('minZoom', this)" title="Min Zoom" />
                        <output name="minz" for="MinZoom">0</output>
                    </form>
                </td>
            </tr>
            <tr title="An integer specifying the maximum zoom level to render the legend at.">
                <td>Max Zoom:</td>
                <td>
                    <form oninput="maxz.value=MaxZoom.value">
                        <input type="range" id="MaxZoom" value="24" min="0" max="24" step="1" onchange="updateLegendRange('maxZoom', this)" title="Max Zoom" />
                        <output name="maxz" for="MaxZoom">24</output>
                    </form>
                </td>
            </tr>
            <tr title="The layout of all items relatively.">
                <td>Layout:</td>
                <td>
                    <select onchange="updateLegend('layout', this)" title="Layout">
                        <option selected="selected">column</option>
                        <option>column-reverse</option>
                        <option>row</option>
                        <option>row-reverse</option>
                    </select>
                </td>
            </tr>
            <tr title="The layout of individual items.">
                <td>Item Layout:</td>
                <td>
                    <select onchange="updateLegend('itemLayout', this)" title="Item Layout">
                        <option>column</option>
                        <option>column-reverse</option>
                        <option selected="selected">row</option>
                        <option>row-reverse</option>
                    </select>
                </td>
            </tr>
            <tr title="The fill color of SVGs.">
                <td>Color:</td>
                <td><input type="color" id="Color" value="#ffffff" onchange="updateLegend('color', this)" title="Color" /></td>
            </tr>
            <tr title="Specifies if all items should be fit into the largest container created by an item.">
                <td>Fit items:</td>
                <td><input id="fitItems" type="checkbox" onclick="updateLegendCheck('fitItems', this)" title="Fit items" /></td>
            </tr>
            <tr title="Specifies if all items should be fit into the largest container created by an item.">
                <td>Labels Overlap Shapes:</td>
                <td><input id="labelsOverlapShapes" type="checkbox" onclick="updateLegendCheck('labelsOverlapShapes', this)" title="Labels Overlap Shapes" /></td>
            </tr>
            <tr title="The shape of the color swatches of all items. Supports image urls and SVG strings.">
                <td>Shape:</td>
                <td>
                    <select onchange="updateLegend('shape', this)" title="Shape">
                        <option selected="selected">circle</option>
                        <option>line</option>
                        <option>square</option>
                        <option>triangle</option>
                    </select>
                </td>
            </tr>
            <tr title="The size of the all shapes in pixels. Used to scale the width of the shape.">
                <td>Shape size:</td>
                <td>
                    <form oninput="shapeSize.value=ShapeSize.value">
                        <input type="range" id="ShapeSize" value="20" min="1" max="50" step="1" onchange="updateLegendRange('shapeSize', this)" title="Shape size" />
                        <output name="shapeSize" for="ShapeSize">20</output>
                    </form>
                </td>
            </tr>
            <tr title="The thickness of the stroke on SVG shapes in pixels.">
                <td>Stroke Width:</td>
                <td>
                    <form oninput="strokeWidth.value=StrokeWidth.value">
                        <input type="range" id="StrokeWidth" value="1" min="0" max="9" step="1" onchange="updateLegendRange('strokeWidth', this)" title="Stroke Width" />
                        <output name="strokeWidth" for="StrokeWidth">1</output>
                    </form>
                </td>
            </tr>
            <tr title="A CSS class to customize the legend.">
                <td>CSS class:</td>
                <td><input id="cssClass" type="checkbox" value="customLegendCSS" onclick="updateLegendCheckValue('cssClass', this)" title="CSS class" /></td>
            </tr>
        </table>

        <p>
            The category legend type also has options for;
            <ul>
                <li>items - individual items with the legend.</li>
                <li>numberFormat - the formatting options for number labels.</li>
                <li>numberFormatLocales - the locale for formatting numbers.</li>
            </ul>
        </p>
    </div>

    <div id="myMap"></div>
</body>
</html>