Add a layer-group example
This commit is contained in:
Bruno Binet
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examples/layer-group.html
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99
examples/layer-group.html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="chrome=1">
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<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
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<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap.min.css" type="text/css">
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<link rel="stylesheet" href="../resources/layout.css" type="text/css">
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<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap-responsive.min.css" type="text/css">
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<style>
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#layertree li > span {
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cursor: pointer;
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}
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</style>
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<title>Layer group example</title>
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</head>
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<body>
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<div class="navbar navbar-inverse navbar-fixed-top">
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<div class="navbar-inner">
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<div class="container">
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<a class="brand" href="./">OpenLayers 3 Examples</a>
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<ul class="nav pull-right">
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<li><iframe class="github-watch-button" src="http://ghbtns.com/github-btn.html?user=openlayers&repo=ol3&type=watch&count=true"
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allowtransparency="true" frameborder="0" scrolling="0" height="20" width="90"></iframe></li>
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<li><a href="https://twitter.com/share" class="twitter-share-button" data-count="none" data-hashtags="openlayers"> </a></li>
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<li><div class="g-plusone-wrapper"><div class="g-plusone" data-size="medium" data-annotation="none"></div></div></li>
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</ul>
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</div>
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</div>
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</div>
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<div class="container-fluid">
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<div class="row-fluid">
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<div class="span6">
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<div id="map" class="map"></div>
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<h4 id="title">Layer group example</h4>
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<p id="shortdesc">Example of a map with layer group.</p>
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<div id="docs">
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<p>See the <a href="layer-group.js" target="_blank">layer-group.js source</a> to see how this is done.</p>
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</div>
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<div id="tags">tilejson, input, bind, group, layergroup</div>
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</div>
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<div id="layertree" class="span6">
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<h5>Click on layer nodes below to change their properties.</h5>
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<ul>
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<li><span>OpenAerial layer</span>
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<fieldset id="layer0">
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<label class="checkbox" for="visible0">
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<input id="visible0" class="visible" type="checkbox"/>visibility
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</label>
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<label>opacity</label>
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<input class="opacity" type="range" min="0" max="1" step="0.01"/>
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</fieldset>
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</li>
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<li><span>Layer group</span>
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<fieldset id="layer1">
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<label class="checkbox" for="visible1">
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<input id="visible1" class="visible" type="checkbox"/>visibility
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</label>
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<label>opacity</label>
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<input class="opacity" type="range" min="0" max="1" step="0.01"/>
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</fieldset>
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<ul>
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<li><span>Food insecurity layer</span>
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<fieldset id="layer10">
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<label class="checkbox" for="visible10">
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<input id="visible10" class="visible" type="checkbox"/>visibility
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</label>
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<label>opacity</label>
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<input class="opacity" type="range" min="0" max="1" step="0.01"/>
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</fieldset>
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</li>
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<li><span>World borders layer</span>
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<fieldset id="layer11">
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<label class="checkbox" for="visible11">
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<input id="visible11" class="visible" type="checkbox"/>visibility
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</label>
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<label>opacity</label>
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<input class="opacity" type="range" min="0" max="1" step="0.01"/>
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</fieldset>
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</li>
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</ul>
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</li>
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</ul>
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</div>
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</div>
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<script src="jquery.min.js" type="text/javascript"></script>
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<script src="loader.js?id=layer-group" type="text/javascript"></script>
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<script src="../resources/social-links.js" type="text/javascript"></script>
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</body>
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</html>
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59
examples/layer-group.js
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59
examples/layer-group.js
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goog.require('ol.Map');
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goog.require('ol.RendererHints');
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goog.require('ol.View2D');
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goog.require('ol.dom.Input');
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goog.require('ol.layer.LayerGroup');
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goog.require('ol.layer.TileLayer');
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goog.require('ol.proj');
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goog.require('ol.source.MapQuestOpenAerial');
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goog.require('ol.source.TileJSON');
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var map = new ol.Map({
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layers: [
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new ol.layer.TileLayer({
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source: new ol.source.MapQuestOpenAerial()
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}), new ol.layer.LayerGroup({
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layers: [
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new ol.layer.TileLayer({
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source: new ol.source.TileJSON({
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url: 'http://api.tiles.mapbox.com/v3/' +
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'mapbox.20110804-hoa-foodinsecurity-3month.jsonp',
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crossOrigin: 'anonymous'
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})
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}),
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new ol.layer.TileLayer({
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source: new ol.source.TileJSON({
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url: 'http://api.tiles.mapbox.com/v3/' +
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'mapbox.world-borders-light.jsonp',
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crossOrigin: 'anonymous'
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})
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})
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]
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})
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],
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renderers: ol.RendererHints.createFromQueryData(),
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target: 'map',
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view: new ol.View2D({
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center: ol.proj.transform([37.40570, 8.81566], 'EPSG:4326', 'EPSG:3857'),
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zoom: 4
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})
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});
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function bindInputs(layerid, layer) {
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new ol.dom.Input($(layerid + ' .visible')[0])
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.bindTo('checked', layer, 'visible');
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new ol.dom.Input($(layerid + ' .opacity')[0])
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.bindTo('value', layer, 'opacity');
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}
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map.getLayers().forEach(function(layer, i) {
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bindInputs('#layer' + i, layer);
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if (layer instanceof ol.layer.LayerGroup) {
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layer.getLayers().forEach(function(sublayer, j) {
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bindInputs('#layer' + i + j, sublayer);
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});
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}
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});
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$('#layertree li > span').click(function() {
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$(this).siblings('fieldset').toggle();
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}).siblings('fieldset').hide();
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