jsanz · June 17, 2019 09:19
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <html lang="en">

 <head>
    <title>CARTO VL: Switch the basemap</title>

    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=5.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link rel="shortcut icon" href="https://carto.com/favicon.ico">

    <link rel="stylesheet" href="https://libs.cartocdn.com/airship-style/v1.0.3/airship.css">
    <script src="https://libs.cartocdn.com/airship-components/v1.0.3/airship.js"></script>
    <script src="https://libs.cartocdn.com/carto-vl/v1.0.0/carto-vl.min.js"></script>
    <script src="https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.js"></script>
    <link href="https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.css" rel="stylesheet" />
    <script src="https://cdn.jsdelivr.net/npm/vue"></script>

    <style>
        .basemaps ul{
            padding-inline-start: 5px;
            margin: 5px;
        }
    </style>
 </head>

 <body class="as-app-body as-app">
    <as-responsive-content>
        <main class="as-main">
            <div class="as-map-area">
                <div id="map" style="width:100%;height:100vh;"></div>
            </div>
        </main>

        <div class="as-map-panels">
            <div class="as-panel as-panel--top as-panel--right" id="app">
                <div class="as-panel__element as-p--4 basemaps">
                    <ul v-for="basemap in basemaps">
                        <li class="as-radio">
                            <input class="as-radio__input" type="radio" id="{{basemap.id}}" name="basemapSelect"
                                v-bind:value="basemap.id" v-model="basemapSelected" :checked="basemap.id == basemapSelected">
                            <label class="as-caption" for="{{basemap}}">{{basemap.name }}</label>
                        </li>
                    </ul>
                </div>
            </div>
        </div>
    </as-responsive-content>

    <script>
        function simpleTilesStyle(urls){
            return {
                    version: 8,
                    sources: {
                        "simple-tiles": {
                            type: "raster",
                            tiles: urls,
                            tileSize: 256
                        }
                    },
                    layers: [{
                        id: "simple-tiles",
                        type: "raster",
                        source: "simple-tiles",
                        minzoom: 0,
                        maxzoom: 22
                    }]
                }
        }

        function run() {
            const basemapsData = [{
                id: 'voyager',
                name: 'Color (CARTO)',
                style: carto.basemaps.voyager,
                databelow: 'watername_ocean',
            }, {
                id: 'positron',
                name: 'Light (CARTO)',
                style: carto.basemaps.positron,
                databelow: 'watername_ocean',
            }, {
                id: 'darkmatter',
                name: 'Dark (CARTO)',
                style: carto.basemaps.darkmatter,
                databelow: 'watername_ocean',
            }, {
                id: 'here',
                name: 'HERE',
                style: simpleTilesStyle( ['1', '2', '3', '4'].map(s => { return `https://${s}.base.maps.api.here.com/maptile/2.1/maptile/newest/reduced.day/{z}/{x}/{y}/256/png8?app_id=W5LaaXz5OWFgAHEQnIoZ&app_code=bcrpWpQGiM2b72u9_ygFWA`; }))
            }];

            // Vue app to control state and rendering
            new Vue({
                el: '#app',
                data: {
                    basemaps: basemapsData,
                    basemapSelected: basemapsData[0].id,
                    map: null
                },
                computed: {
                    basemapSelectedObj: function () {
                        return this.basemaps.filter(b => b.id == this.basemapSelected)[0];
                    }
                },
                watch: {
                    basemapSelected: function () {
                        const basemap = this.basemapSelectedObj;
                        this.map.removeLayer('layer');
                        this.map.setStyle(basemap.style, basemap.databelow);
                    }
                },
                methods: {
                    initialize: function () {
                        this.map = new mapboxgl.Map({
                            container: 'map',
                            style: carto.basemaps.voyager,
                            center: [39.29, 3.54],
                            zoom: 4,
                            scrollZoom: true,
                            hash: true
                        });

                        const nav = new mapboxgl.NavigationControl({
                            showCompass: false
                        });
                        this.map.addControl(nav, 'top-left');

                        // Define user
                        carto.setDefaultAuth({
                            username: 'cartovl',
                            apiKey: 'default_public'
                        });

                        this.map.on('sourcedata', this.drawLayer);
                    },
                    drawLayer: function () {
                        function sleep(ms) { return new Promise(resolve => setTimeout(resolve, ms)); }

                        async function wait(ctx, howMuch) {
                            await sleep(howMuch);
                            if (!ctx.map.getLayer('layer')) {

                                const source = new carto.source.Dataset('populated_places');
                                const viz = new carto.Viz();
                                const layer = new carto.Layer('layer', source, viz);

                                if (ctx.basemapSelectedObj && ctx.basemapSelectedObj.hasOwnProperty(
                                        'databelow')) {
                                    layer.addTo(ctx.map, ctx.basemapSelectedObj.databelow);
                                } else {
                                    layer.addTo(ctx.map);
                                }
                                console.log('Layer redrawn');
                            }
                        }
                        wait(this, 100);
                    }
                }
            }).initialize();
        }

        // Run the script when content is ready
        document.querySelector('as-responsive-content').addEventListener('ready', run);
    </script>
 </body>

 </html>
	<!DOCTYPE html>
	<html lang="en">

	<head>
	<title>CARTO VL: Switch the basemap</title>

	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=5.0">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<link rel="shortcut icon" href="https://carto.com/favicon.ico">

	<link rel="stylesheet" href="https://libs.cartocdn.com/airship-style/v1.0.3/airship.css">
	<script src="https://libs.cartocdn.com/airship-components/v1.0.3/airship.js"></script>
	<script src="https://libs.cartocdn.com/carto-vl/v1.0.0/carto-vl.min.js"></script>
	<script src="https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.js"></script>
	<link href="https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.css" rel="stylesheet" />
	<script src="https://cdn.jsdelivr.net/npm/vue"></script>

	<style>
	.basemaps ul{
	padding-inline-start: 5px;
	margin: 5px;
	}
	</style>
	</head>

	<body class="as-app-body as-app">
	<as-responsive-content>
	<main class="as-main">
	<div class="as-map-area">
	<div id="map" style="width:100%;height:100vh;"></div>
	</div>
	</main>

	<div class="as-map-panels">
	<div class="as-panel as-panel--top as-panel--right" id="app">
	<div class="as-panel__element as-p--4 basemaps">
	<ul v-for="basemap in basemaps">
	<li class="as-radio">
	<input class="as-radio__input" type="radio" id="{{basemap.id}}" name="basemapSelect"
	v-bind:value="basemap.id" v-model="basemapSelected" :checked="basemap.id == basemapSelected">
	<label class="as-caption" for="{{basemap}}">{{basemap.name }}</label>
	</li>
	</ul>
	</div>
	</div>
	</div>
	</as-responsive-content>

	<script>
	function simpleTilesStyle(urls){
	return {
	version: 8,
	sources: {
	"simple-tiles": {
	type: "raster",
	tiles: urls,
	tileSize: 256
	}
	},
	layers: [{
	id: "simple-tiles",
	type: "raster",
	source: "simple-tiles",
	minzoom: 0,
	maxzoom: 22
	}]
	}
	}

	function run() {
	const basemapsData = [{
	id: 'voyager',
	name: 'Color (CARTO)',
	style: carto.basemaps.voyager,
	databelow: 'watername_ocean',
	}, {
	id: 'positron',
	name: 'Light (CARTO)',
	style: carto.basemaps.positron,
	databelow: 'watername_ocean',
	}, {
	id: 'darkmatter',
	name: 'Dark (CARTO)',
	style: carto.basemaps.darkmatter,
	databelow: 'watername_ocean',
	}, {
	id: 'here',
	name: 'HERE',
	style: simpleTilesStyle( ['1', '2', '3', '4'].map(s => { return `https://${s}.base.maps.api.here.com/maptile/2.1/maptile/newest/reduced.day/{z}/{x}/{y}/256/png8?app_id=W5LaaXz5OWFgAHEQnIoZ&app_code=bcrpWpQGiM2b72u9_ygFWA`; }))
	}];

	// Vue app to control state and rendering
	new Vue({
	el: '#app',
	data: {
	basemaps: basemapsData,
	basemapSelected: basemapsData[0].id,
	map: null
	},
	computed: {
	basemapSelectedObj: function () {
	return this.basemaps.filter(b => b.id == this.basemapSelected)[0];
	}
	},
	watch: {
	basemapSelected: function () {
	const basemap = this.basemapSelectedObj;
	this.map.removeLayer('layer');
	this.map.setStyle(basemap.style, basemap.databelow);
	}
	},
	methods: {
	initialize: function () {
	this.map = new mapboxgl.Map({
	container: 'map',
	style: carto.basemaps.voyager,
	center: [39.29, 3.54],
	zoom: 4,
	scrollZoom: true,
	hash: true
	});

	const nav = new mapboxgl.NavigationControl({
	showCompass: false
	});
	this.map.addControl(nav, 'top-left');

	// Define user
	carto.setDefaultAuth({
	username: 'cartovl',
	apiKey: 'default_public'
	});

	this.map.on('sourcedata', this.drawLayer);
	},
	drawLayer: function () {
	function sleep(ms) { return new Promise(resolve => setTimeout(resolve, ms)); }

	async function wait(ctx, howMuch) {
	await sleep(howMuch);
	if (!ctx.map.getLayer('layer')) {

	const source = new carto.source.Dataset('populated_places');
	const viz = new carto.Viz();
	const layer = new carto.Layer('layer', source, viz);

	if (ctx.basemapSelectedObj && ctx.basemapSelectedObj.hasOwnProperty(
	'databelow')) {
	layer.addTo(ctx.map, ctx.basemapSelectedObj.databelow);
	} else {
	layer.addTo(ctx.map);
	}
	console.log('Layer redrawn');
	}
	}
	wait(this, 100);
	}
	}
	}).initialize();
	}

	// Run the script when content is ready
	document.querySelector('as-responsive-content').addEventListener('ready', run);
	</script>
	</body>

	</html>