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index.js
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index.js
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/* eslint-env browser */
/* eslint-disable prefer-arrow-callback,prefer-template */
/* eslint no-loop-func: "off" */
/* eslint camelcase: "off" */
/* global mapboxgl */
/* global mapboxglVersions */
const pages = [
{
"key": "standard-style",
"title": "Standard Style",
"url": "./standard-style.html"
},
{
"key": "animate-point-along-route",
"title": "Animate route",
"url": "./animate-point-along-route.html"
},
{
"key": "filter-features-within-map-view",
"title": "Filter features within map view",
"url": "./filter-features-with-globe.html"
},
{
"key": "custom-style-layer",
"title": "Add a custom style layer"
},
{
"key": "mapbox-gl-geocoder",
"title": "Add a geocoder"
},
{
"key": "mapbox-gl-directions",
"title": "Display driving directions"
},
{
"key": "locate-user",
"title": "Locate the user"
},
{
"key": "mapbox-gl-draw",
"title": "Show drawn polygon area"
},
{
"key": "mapbox-gl-compare",
"title": "Swipe between maps"
},
{
"key": "mapbox-gl-rtl-text",
"title": "Add support for right-to-left scripts"
},
{
"key": "heatmap-layer",
"title": "Add a heatmap layer",
"url": "./heatmap-layer.html"
},
{
"key": "threejs-antenna",
"title": "Add a 3d model on terrain with ThreeJS",
"url": "./threejs-antenna.html"
},
{
"key": "free-camera-path",
"title": "Animate the camera along a path"
},
{
"key": "query-terrain-elevation",
"title": "Query terrain elevation"
},
{
"key": "add-fog",
"title": "Add fog to a map"
},
{
"key": "image-on-a-map",
"title": "Image Source",
"url": "./image-on-globe.html"
},
{
"key": "extrusion-query",
"title": "Extrusion Query",
"url": "./extrusion-query.html"
},
{
"key": "projections",
"title": "Projections",
"url": "./projections.html"
},
{
"key": "featurestate",
"title": "Feature state",
"url": "./featurestate.html"
},
{
"key": "markers",
"title": "Markers",
"url": "./markers.html"
},
{
"key": "video",
"title": "Video",
"url": "./video.html"
},
{
"key": "globe-with-video",
"title": "Globe with Video",
"url": "./globe-with-video.html"
},
{
"key": "scroll_zoom_blocker",
"title": "Gestures",
"url": "./scroll_zoom_blocker.html"
},
{
"key": "raster-array",
"title": "Raster Array",
"url": "./raster-array.html"
},
{
"key": "custom-source",
"title": "Custom Source",
"url": "./custom-source.html"
},
{
"key": "atmosphere",
"title": "Atmosphere",
"url": "./atmosphere.html"
}
];
const versions = {
'latest': {}
};
Object.keys(mapboxglVersions).forEach(function(version) {
versions[version] = mapboxglVersions[version];
});
document.addEventListener('DOMContentLoaded', function() {
const jsLatest = document.createElement("a");
jsLatest.href = "../../dist/mapbox-gl.js";
const cssLatest = document.createElement("a");
cssLatest.href = "../../dist/mapbox-gl.css";
const titleItem = document.querySelector('#title');
const titleElement = document.querySelector('#title-text');
const titleDropdown = document.querySelector('#title .dropdown');
const container = document.querySelector('#container');
const versionButton = document.querySelector('#version');
const versionItem = document.querySelector('#version-item');
const versionDropdown = document.querySelector('#version-item .dropdown');
const versionNumber = document.querySelector('#version-number');
const prevButton = document.querySelector('#prev');
const nextButton = document.querySelector('#next');
document.querySelector('.navbar-expand').addEventListener('click', function() {
versionItem.classList.remove('active');
titleItem.classList.remove('active');
});
const params = {
page: pages[0].key,
version: 'latest',
index: 0
};
location.hash.substr(1).split('&').forEach(function (param) {
const entry = param.split('=', 2);
params[entry[0]] = entry[1];
});
if (!params.access_token) {
if (mapboxgl.accessToken) {
params.access_token = mapboxgl.accessToken;
} else {
params.access_token = prompt("Access Token");
}
}
titleElement.addEventListener('click', function() {
versionItem.classList.remove('active');
titleItem.classList[titleItem.classList.contains('active') ? 'remove' : 'add']('active');
});
let pageIndex = 0;
for (let i = 0; i < pages.length; i++) {
if (params.page === pages[i].key) {
pageIndex = i;
break;
}
}
params.index = pageIndex;
params.page = pages[pageIndex].key;
for (let i = 0; i < pages.length; ++i) {
const page = pages[i];
const item = document.createElement('a');
item.classList.add('dropdown-item');
item.innerHTML = '<span class="item-title">' + page.title + '</span>';
item.dataset.page = page;
item.dataset.index = i;
item.addEventListener('click', function() {
pageIndex = this.dataset.index;
if (pageIndex < 0) pageIndex = 0;
params.page = pages[pageIndex].key;
params.index = pageIndex;
titleItem.classList.remove('active');
load();
});
titleDropdown.appendChild(item);
}
if (!(params.version in versions)) {
params.version = 'latest';
}
versionNumber.innerText = params.version;
versionButton.addEventListener('click', function() {
titleItem.classList.remove('active');
versionItem.classList[versionItem.classList.contains('active') ? 'remove' : 'add']('active');
});
Object.keys(versions).forEach(function(version) {
const item = document.createElement('a');
item.classList.add('dropdown-item');
const metadata = versions[version];
if (metadata.prerelease) {
item.classList.add('item-prerelease');
}
item.innerHTML = '<span class="item-title">' + version + '</span> <span class="item-meta">' + (metadata.released ? (new Date(metadata.released)).toISOString().substr(0, 10) : '<unknown>') + '</span>';
item.dataset.version = version;
item.addEventListener('click', function() {
params.version = this.dataset.version;
versionItem.classList.remove('active');
load();
});
versionDropdown.appendChild(item);
});
let req;
let url;
function load() {
if (req) {
req.abort();
}
while (container.firstChild) container.removeChild(container.firstChild);
params.page = pages[pageIndex].key;
const version = params.version;
const page = pages[pageIndex];
titleElement.innerText = page.title;
versionNumber.innerText = params.version;
req = new XMLHttpRequest();
req.addEventListener("load", loadedHTML);
url = page.url ? page.url : 'https://docs.mapbox.com/mapbox-gl-js/assets/' + page.key + '-demo.html';
req.open("GET", url);
req.send();
function loadedHTML() {
if (req.status !== 200) {
container.innerText = 'Failed to load ' + url + ': ' + req.statusText;
return;
}
const iframe = document.createElement('iframe');
container.appendChild(iframe);
const iframeDoc = iframe.contentWindow.document.open("text/html", "replace");
const js = version === 'latest' ? jsLatest.href : 'https://api.mapbox.com/mapbox-gl-js/' + version + '/mapbox-gl.js';
const css = version === 'latest' ? cssLatest.href : 'https://api.mapbox.com/mapbox-gl-js/' + version + '/mapbox-gl.css';
let doc = req.response;
if (!page.url) { // Perform cleanups for pages hosted on docs.mapbox.com, otherwise directly use demo code
const versionLibRegex = /https:\/\/api\.mapbox\.com\/mapbox-gl-js\/v[0-9]+\.[0-9]+\.[0-9]+\/mapbox-gl\.js/g;
const versionCSSRegex = /https:\/\/api\.mapbox\.com\/mapbox-gl-js\/v[0-9]+\.[0-9]+\.[0-9]+\/mapbox-gl\.css/g;
const sentryRegex = /<script src="https:\/\/js\.sentry-cdn\.com\/[0-9a-f]*\.min\.js"\s*crossorigin="anonymous"><\/script>/g;
const instrumentileRegex = /<script>if\(window\.map instanceof mapboxgl\.Map\)var i=new instrumentile.*<\/script>/g;
const apiKeyRegex = /pk\..*?"/g;
// Update versions + api key
doc = doc.replace(versionLibRegex, js);
doc = doc.replace(versionCSSRegex, css);
doc = doc.replace(apiKeyRegex, params.access_token + '"');
// Remove extraneous analytics
doc = doc.replace(instrumentileRegex, '');
doc = doc.replace(sentryRegex, '');
} else { // Perform cleanups of pages locally referenced
const versionLibRegex = /<script src='(.*)mapbox-gl(.*)\.js'><\/script>/g;
const versionCSSRegex = /<link rel='stylesheet'(.*)mapbox-gl\.css'(.*)\/>/g;
const apiKeyRegex = /<script(.*)access_token_generated\.js(.*)\/script>/g;
doc = doc.replace(versionLibRegex, '<script src="' + js + '"></script>');
doc = doc.replace(versionCSSRegex, '<link rel="stylesheet" href="' + css + '" />');
doc = doc.replace(apiKeyRegex, '<script>mapboxgl.accessToken="' + params.access_token + '"</script>');
}
iframeDoc.write([doc].join(''));
iframeDoc.close();
}
prevButton.classList[(pageIndex === 0) ? 'add' : 'remove']('disabled');
nextButton.classList[(pageIndex + 1 === pages.length) ? 'add' : 'remove']('disabled');
let hash = 'page=' + page.key;
if (version !== 'latest') {
hash += '&version=' + version;
}
if (!mapboxgl.accessToken) {
hash += '&access_token=' + params.access_token;
}
location.hash = hash;
}
prevButton.addEventListener('click', function() {
if (pageIndex > 0) {
pageIndex--;
load();
}
});
nextButton.addEventListener('click', function() {
if (pageIndex + 1 < pages.length) {
pageIndex++;
load();
}
});
load();
});