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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Tegola Demo Viewer</title>
<script type="application/json" id="config">
{
"path":"neConfig.json"
}
</script>
<style type="text/css">
*{margin:0;padding:0;box-sizing:border-box;vertical-align:middle;}
@font-face {font-family:'Open Sans';font-style:normal;font-weight:400;
src:local('Open Sans Regular'),local('OpenSans-Regular'),url(fonts/open-sans-regular.woff2) format('woff2');
}
#olMap{width:100%;height:100%;position:relative;z-index:2;}
#mapboxMap{width:100%;height:100%;position:relative;z-index:1;}
#stylebar{position:fixed;bottom:0;left:0;color:#333;margin:16px;
-webkit-box-shadow:3px 7px 8px -10px rgba(0,0,0,0.8);
-moz-box-shadow:3px 7px 8px -10px rgba(0,0,0,0.8);
box-shadow:3px 7px 8px -10px rgba(0,0,0,0.8);
z-index:3;
}
#optionsbar{position:fixed;bottom:0;right:0;color:#333;margin:16px;
-webkit-box-shadow:3px 7px 8px -10px rgba(0,0,0,0.8);
-moz-box-shadow:3px 7px 8px -10px rgba(0,0,0,0.8);
box-shadow:3px 7px 8px -10px rgba(0,0,0,0.8);
z-index:3;
}
.tool{font-family:'Open Sans',sans-serif;float:left;background-color:rgba(255,255,255,1);
border:1px solid #E9EDEF;position:relative;font-size:16px;
cursor:pointer;border-left:none;}
.tool:first-child{border-left:1px solid #E9EDEF;border-top-left-radius:4px;border-bottom-left-radius:4px;}
.tool:last-child{border-top-right-radius:4px;border-bottom-right-radius:4px;}
.tool:hover{background-color:#D9EAFB;border-color:#E1E9F1;}
.tool.active{background-color:#548DC3;border-color:#6899D5;color:#fff;}
.tool .tile{width:38px;height:38px;line-height:36px;border-radius:2px;
position:relative;margin:3px;display:inline-block;
border:1px solid rgba(255,255,255,0.3);opacity:0.85;}
.tool:hover .tile{opacity:1;}
.tool.active .tile{opacity:1;}
.tool .label{line-height:40px;height:40px;
margin:2px 14px 2px 12px;display:inline-block;}
.tool .label i{position:relative;top:0;}
#optionsbar .tool .label{position:relative;top:-2px;}
#optionsbar .label span{margin-left:3px;}
#optionsbar .tool .label{margin:2px 14px 2px 14px;}
.drop-up{position:absolute;bottom:48px;right:-1px;
list-style-type:none;margin:0;padding:0;}
.drop-up li{display:block;position:relative;margin:0;padding:0;border-top:1px solid #E9EDEF;
border-left:1px solid #E9EDEF;border-right:1px solid #E9EDEF;background-color:#fff;
min-width:160px;overflow:hidden;}
.drop-up li:first-child{border-top-left-radius:4px;border-top-right-radius:4px;}
.drop-up li:last-child{border-bottom:1px solid #E9EDEF;
border-bottom-left-radius:4px;border-bottom-right-radius:0;}
.drop-up li:hover{background-color:#D9EAFB;border-color:#E1E9F1;}
.drop-up li.active{background-color:#548DC3;border-color:#6899D5;color:#fff;}
.drop-up li .tile{position:absolute;margin:2px;}
.drop-up li .label{line-height:44px;margin:2px 14px 2px 12px;}
.display-none{display:none;}
@media only screen and (max-width:1000px) {
#stylebar{margin:12px;}
#stylebar .label{display:none;}
#optionsbar{margin:12px;}
#optionsbar .label span{display:none;}
#optionsbar .drop-up li .label span{display:block;}
}
</style>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no"/>
<link rel="stylesheet" type="text/css" href="libs/openlayers/4.5.0/ol.css">
<link rel="stylesheet" type="text/css" href="libs/mapbox-gl-js/v0.41.0/mapbox-gl.css"/>
<link rel="stylesheet" type="text/css" href="libs/font-awesome/4.7.0/css/font-awesome.min.css">
</head>
<body>
<div id="mapContainer">
<div id="mapboxMap" class="display-none" onclick="dropClear();"></div>
<div id="olMap" class="display-none" onclick="dropClear();"></div>
<div id="stylebar" class="display-none"></div>
<div id="optionsbar">
</div>
<div id="liboption" class="tool display-none" onclick="clickDropToggle('libbar');">
<div class="label">
<i class="fa fa-fw fa-fw fa-cubes" aria-hidden="true"></i>
<span id="libLabel"></span>
</div>
<ul id="libbar" class="drop-up display-none">
</ul>
</div>
<div id="srcoption" class="tool display-none" onclick="clickDropToggle('srcbar');">
<div class="label">
<i class="fa fa-fw fa-server" aria-hidden="true"></i>
<span id="srcLabel"></span>
</div>
<ul id="srcbar" class="drop-up display-none">
</ul>
</div>
<div id="locoption" class="tool display-none" onclick="clickDropToggle('locbar');">
<div class="label">
<i class="fa fa-fw fa-crosshairs no-mr" aria-hidden="true"></i>
</div>
<ul id="locbar" class="drop-up display-none">
</ul>
</div>
</div>
</body>
<script src="libs/openlayers/4.5.0/ol.js"></script>
<script src="libs/ol-mapbox-style/olms.js"></script>
<script src="libs/mapbox-gl-js/v0.41.0/mapbox-gl.js"></script>
<script type="text/javascript">
'use strict';
(()=>{
var styles = {}, srcs = {}, libs = {}, locs = {},
currentState = {}, options = {};
var queryOldToNew = {
latitude:'lat',
longitude:'lng',
bearing:'bear',
pitch:'pitch',
source:'src',
theme:'style',
renderer:'lib',
zoom:'z'
};
var initApp = function(){
//check for required options
//console.log('options:',options);
if (!options.start) return console.error('options: no start defined');
if (!options.styles) return console.error('options: no styles defined');
if (!options.srcs) return console.error('options: no srcs defined');
if (!options.libs) return console.error('options: no libs defined');
currentState = getState();
//console.log('current state:',currentState);
window.addEventListener("resize",()=>{
windowResize();
});
windowResize();
buildStyles();
buildLocs();
buildSrcs();
buildLibs();
setStyle(currentState.style);
setSrc(currentState.src);
setLib(currentState.lib);
updateMap();
};
var windowResize = function(){
document.getElementById('mapboxMap').style.height = window.innerHeight+'px';
document.getElementById('olMap').style.height = window.innerHeight+'px';
};
var getState = function(){
var query = parseQuery();
var q = {};
for (var i in query){
if (queryOldToNew[i]) query[queryOldToNew[i]] = query[i];
}
q.z = +query.z || options.start.z;
q.lat = +query.lat || options.start.lat;
q.lng = +query.lng || options.start.lng;
q.bear = +query.bear || options.start.bear;
q.pitch = +query.pitch || options.start.pitch;
q.style = query.style || options.start.style;
q.src = query.src || options.start.src;
q.lib = query.lib || options.start.lib;
if (query.styleHost) q.styleHost = query.styleHost;
return q;
};
var setState = function(state){
var set = clone(state);
if (set.bear == 0) delete set.bear;
if (set.pitch == 0) delete set.pitch;
var query = makeQuery(set);
window.history.pushState(undefined,'posUpdate',query);
};
var parseQuery = function(){
var url = window.location.href,
query = {},
qInd = url.indexOf('?');
if (qInd === -1) return query;
var props = url.slice(qInd+1).split('&');
for(var i=0,len=props.length;i<len;i++){
var prop = props[i].split('=');
query[prop[0]] = decodeURIComponent(prop[1]);
}
return query;
};
var makeQuery = function(state){
var parts = [];
var write = clone(state);
for (var i in write){
if (getType(write[i]) == 'num') write[i] = write[i].toString();
parts.push(i+'='+encodeURIComponent(write[i]));
}
if (parts.length < 1) return '';
return '?'+parts.join('&');
};
var elFromStr = function(str){
var div = document.createElement('div');
div.innerHTML = str;
return div.firstChild;
};
var getType = function(d){
if (d === undefined) return 'und';
if (d === null) return 'null';
if (d === true || d === false) return 'bool';
var t = typeof d;
if (t == 'string') return 'str';
if (t == 'number') return 'num';
if (t == 'function') return 'fun';
if (Object.prototype.toString.call(d) == '[object Array]') return 'ary';
return 'obj';
};
var clone = function(obj){
if (arguments.length == 0) obj = this;
if (getType(obj) !== 'obj') return console.error('clone: argument must be type object');
var obj2 = {};
for (var i in obj){
if (getType(obj[i]) == 'obj'){
obj2[i] = clone(obj[i]);
continue;
}
if (getType(obj[i]) == 'ary'){
obj2[i] = [];
obj[i].forEach((val)=>{
obj2[i].push(val);
});
continue;
}
obj2[i] = obj[i];
}
return obj2;
};
var setStyle = function(key){
var style = styles[key];
if (!style) return console.error('style:',key,' not found');
for (var i in styles){
styles[i].el.className = styles[i].el.className.replace(' active','');
}
style.el.className = style.el.className+' active';
currentState.style = key;
};
var setSrc = function(key){
var src = srcs[key];
if (!src) return console.error('src:',key,' not found');
for (var i in srcs){
srcs[i].el.className = srcs[i].el.className.replace(' active','');
}
src.el.className = src.el.className+' active';
document.getElementById('srcLabel').innerHTML = src.label;
currentState.src = key;
};
var setLib = function(key){
var lib = libs[key];
if (!lib) return console.error('lib:',key,' not found');
for (var i in libs){
libs[i].el.className = libs[i].el.className.replace(' active','');
}
lib.el.className = lib.el.className+' active';
document.getElementById('libLabel').innerHTML = lib.label;
if (currentState.lib && currentState.lib != key){
libs[currentState.lib].client.clear();
}
currentState.lib = key;
};
var setLoc = function(key){
var loc = locs[key];
if (!loc) return console.error('loc:',key,' not found');
currentState.lat = loc.lat;
currentState.lng = loc.lng;
currentState.z = loc.z;
};
var updateMap = function(){
if (!currentState.lib) return console.error('no lib defined');
var lib = libs[currentState.lib];
lib.client.render();
};
var loadFile = function(url,loaded){
var xhr = new XMLHttpRequest();
xhr.open('GET', url);
var a = document.createElement('A');
a.href = url;
xhr.addEventListener('load',()=>{
loaded(xhr.responseText);
});
xhr.addEventListener('error', function () {
console.error('error loading file:',url);
});
xhr.send();
};
var loadJsonFile = function(url,loaded){
loadFile(url,(response)=>{
try{
var json = JSON.parse(response);
} catch(e){
return console.error('error parsing json from file:',url,e);
}
loaded(json);
});
};
var loadStyleFile = function(url,style,src,loaded){
loadFile(url,(response)=>{
if (style.host && currentState.styleHost && currentState.styleHost != style.host){
var regex = new RegExp(style.host,'g');
response = response.replace(regex,currentState.styleHost);
}
try{
var json = JSON.parse(response);
} catch(e){
return console.error('error parsing json from file:',url,e);
}
//console.log('styleJson:',json);
var styleSources = {};
for (var i in json.sources){
if (src.sources[i]){ // source is defined in src
styleSources[i] = clone(json.sources[i]);
for (var j in src.sources[i]){ // overwrite style sources with src source settings
styleSources[i][j] = src.sources[i][j];
}
}
}
json.sources = styleSources;
loaded(json);
});
};
// options.start.styleHost
var parseDecimal = function(dec){
return Number(dec.toFixed(4));
};
var buildStyles = function(){
options.styles.forEach((config,ind)=>{
var style = clone(config);
var html = '<div class="tool" onclick="clickSetTheme(\''+style.key+'\');">';
html += '<div class="tile" style="background:url('+style.tileSrc+');"></div>';
html += '<div class="label">'+style.label+'</div>';
html += '</div>';
style.el = elFromStr(html);
document.getElementById('stylebar').appendChild(style.el);
styles[style.key] = style;
});
if (options.styles.length > 1) document.getElementById('stylebar').style.display = 'block';
};
var buildSrcs = function(){
options.srcs.forEach((config,ind)=>{
var src = clone(config);
var html = '<li onclick="clickSetSource(\''+src.key+'\');">';
html += '<div class="label">'+src.label+'</div>';
html += '</li>';
src.el = elFromStr(html);
document.getElementById('srcbar').appendChild(src.el);
srcs[src.key] = src;
});
if (options.srcs.length > 1){
var srcOption = document.getElementById('srcoption');
srcOption.style.display = 'block';
document.getElementById('optionsbar').appendChild(srcOption);
}
};
var buildLibs = function(){
options.libs.forEach((config,ind)=>{
var lib = clone(config);
var html = '<li onclick="clickSetLib(\''+lib.key+'\');">';
html += '<div class="label"> '+lib.label+'</div>';
html += '</li>';
lib.el = elFromStr(html);
document.getElementById('libbar').appendChild(lib.el);
libs[lib.key] = lib;
});
if (options.libs.length > 1){
var libOption = document.getElementById('liboption');
libOption.style.display = 'block';
document.getElementById('optionsbar').appendChild(libOption);
}
if (libs['mapbox']) libs['mapbox'].client = mapboxClient;
if (libs['ol']) libs['ol'].client = olClient;
};
var buildLocs = function(){
if (!options.locs || options.locs.length < 1) return;
options.locs.forEach((config,ind)=>{
var loc = clone(config);
var html = '<li onclick="clickSetLoc(\''+loc.key+'\');">';
html += '<div class="label"> '+loc.label+'</div>';
html += '</li>';
loc.el = elFromStr(html);
document.getElementById('locbar').appendChild(loc.el);
locs[loc.key] = loc;
});
var locOption = document.getElementById('locoption');
locOption.style.display = 'block';
document.getElementById('optionsbar').appendChild(locOption);
};
var mapboxClient = {
render:function(){
document.getElementById('mapboxMap').style.display = 'block';
var style = styles[currentState.style];
var lib = libs[currentState.lib];
var src = srcs[currentState.src];
var center = [currentState.lng,currentState.lat];
//console.log('src:',src,srcs,currentState.src);
if (lib.accessToken) mapboxgl.accessToken = lib.accessToken;
loadStyleFile(style.mapboxStyle,style,src,(styleJson)=>{
//console.log('center:',center,style);
var json = clone(styleJson);
/*
if (json.sources){
for (var i in json.sources){
var source = json.sources[i];
if (source.type == 'raster'){
source.tiles = [
source.url
];
delete json.sources[i].url;
}
}
}
*/
console.log('styleJson:',json);
if (!this.el){
this.el = new mapboxgl.Map({
container:'mapboxMap',
style:json,
center:center,
bear:currentState.bear,
pitch:currentState.pitch,
zoom:currentState.z,
maxZoom:options.maxZoom,
minZoom:options.minZoom
});
this.el.on('render',()=>{
var center = this.el.getCenter();
currentState.lng = parseDecimal(center.lng);
currentState.lat = parseDecimal(center.lat);
currentState.z = parseDecimal(this.el.getZoom());
currentState.pitch = this.el.getPitch();
currentState.bear = this.el.getBearing();
setState(currentState);
});
this.el.addControl(new mapboxgl.NavigationControl());
return;
}
var changed = false;
for (var i in currentState){
if (currentState[i] !== this[i]){
changed = true;
break;
}
}
if (!changed) return;
for (var i in currentState){
this[i] = currentState[i];
}
this.el.setStyle(json);
this.el.setCenter(center);
this.el.setZoom(this.z);
this.el.setBearing(this.bear);
this.el.setPitch(this.pitch);
});
},
clear:function(){
document.getElementById('mapboxMap').style.display = 'none';
}
};
var olClient = {
render:function(){
document.getElementById('olMap').style.display = 'block';
var doBind = false; // only do binding of property change on initial init of map, but after properties have been set
this.el = this.el || new ol.Map({target:'olMap'});
if (!this.view){
this.view = this.el.getView();
doBind = true;
}
this.setStyleSrc(()=>{
this.setZoom();
this.setCenter();
if (doBind) this.bindMap();
for (var i in currentState){
this[i] = currentState[i];
}
});
},
setStyleSrc:function(done){
if (this.style != currentState.style ||
this.src != currentState.src){
var style = styles[currentState.style];
var src = srcs[currentState.src];
loadStyleFile(style.olStyle,style,src,(styleJson)=>{
//console.log('styleJson:',styleJson);
var layers = [];
this.el.getLayers().getArray().forEach((layer)=>{
layers.push(layer);
});
layers.forEach((layer)=>{
this.el.removeLayer(layer);
});
olms.apply(this.el,styleJson);
this.setRasterLayers(styleJson);
done();
});
return;
}
done();
},
setRasterLayers:function(styleJson){
if (this.style == currentState.style &&
this.src == currentState.src) return;
var src = srcs[currentState.src];
for (var i in src.sources){
if (src.sources[i].type == 'raster' && styleJson.sources[i]){ // is a raster source and does exist in style sheet
var source = src.sources[i];
//console.log('add layer:',source);
var layer = new ol.layer.Tile({
title:source.title,
source:new ol.source.XYZ({
url:source.url,
attribution:source.attribution
})
});
this.el.addLayer(layer);
}
}
},
setZoom:function(){
if (currentState.z !== this.z){
this.view.setZoom(currentState.z+1);
}
},
setCenter:function(){
if (currentState.lng !== this.lng ||
currentState.lat !== this.lat){
var center = ol.proj.fromLonLat([currentState.lng,currentState.lat]);
this.view.setCenter(center);
}
},
bindMap:function(){
this.view.on('propertychange',(e)=>{
var center = this.view.getCenter();
var lngLat = ol.proj.toLonLat(center);
currentState.lng = parseDecimal(lngLat[0]);
currentState.lat = parseDecimal(lngLat[1]);
currentState.z = parseDecimal(this.view.getZoom()-1);
setState(currentState);
});
},
clear:function(){
document.getElementById('olMap').style.display = 'none';
}
};
window.clickSetTheme = function(key){
setStyle(key);
setState(currentState);
updateMap();
};
window.clickSetSource = function(key){
setSrc(key);
setState(currentState);
updateMap();
};
window.clickSetLib = function(key){
setLib(key);
setState(currentState);
updateMap();
};
window.clickSetLoc = function(key){
setLoc(key);
setState(currentState);
updateMap();
};
window.clickToggle = function(id){
var toggle = document.getElementById(id);
if (toggle.style.display == 'block'){
// hide all other drops
toggle.style.display = 'none';
} else {
toggle.style.display = 'block';
}
};
var prevDrop;
window.clickDropToggle = function(id){
var drop = document.getElementById(id);
if (drop.style.display == 'block'){
drop.style.display = 'none';
} else {
// hide all other drops
if (prevDrop) prevDrop.style.display = 'none';
//apply click handler on rest of body to cancel out of drop
drop.style.display = 'block';
prevDrop = drop;
}
};
window.dropClear = function(){
if (prevDrop) prevDrop.style.display = 'none';
};
try {
var config = JSON.parse(document.getElementById('config').innerHTML);
} catch(e){
return console.error('error parsing config JSON:',e);
}
if (config.path){
loadJsonFile(config.path,(json)=>{
options = json;
options.maxZoom = (options.maxZoom !== undefined)? options.maxZoom: 22;
options.minZoom = (options.minZoom !== undefined)? options.minZoom: 0;
console.log('maxZoom:',options.maxZoom);
initApp();
});
} else {
options = config;
initApp();
}
})();
</script>
</html>