Select example and skeleton with event listeners
This commit is contained in:
ahocevar
56
examples/select-features.html
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56
examples/select-features.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="../css/ol.css" type="text/css">
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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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<title>Select featuers 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="span12">
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<div id="map" class="map"></div>
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</div>
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</div>
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<div class="row-fluid">
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<div class="span12">
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<h4 id="title">Select features example</h4>
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<p id="shortdesc">Example of using the Select control.</p>
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<div id="docs">
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<p>See the <a href="select-features.js" target="_blank">select-features.js source</a> to see how this is done.</p>
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</div>
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<div id="tags">SelectFeature, vector</div>
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</div>
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</div>
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</div>
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<script src="loader.js?id=select-features" 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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48
examples/select-features.js
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48
examples/select-features.js
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goog.require('ol.Map');
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goog.require('ol.RendererHint');
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goog.require('ol.View2D');
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goog.require('ol.control.Select');
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goog.require('ol.control.defaults');
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goog.require('ol.layer.TileLayer');
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goog.require('ol.layer.Vector');
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goog.require('ol.parser.ogc.GML_v3');
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goog.require('ol.source.MapQuestOpenAerial');
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goog.require('ol.source.Vector');
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goog.require('ol.style.Polygon');
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goog.require('ol.style.Rule');
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goog.require('ol.style.Style');
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var raster = new ol.layer.TileLayer({
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source: new ol.source.MapQuestOpenAerial()
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});
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var vector = new ol.layer.Vector({
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source: new ol.source.Vector({
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parser: new ol.parser.ogc.GML_v3(),
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url: 'data/gml/topp-states-wfs.xml'
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}),
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style: new ol.style.Style({rules: [
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new ol.style.Rule({
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symbolizers: [
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new ol.style.Polygon({
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strokeColor: '#bada55'
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})
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]
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})
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]})
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});
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var selectControl = new ol.control.Select({layers: [vector]});
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var map = new ol.Map({
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controls: ol.control.defaults({}, [selectControl]),
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layers: [raster, vector],
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renderer: ol.RendererHint.CANVAS,
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target: 'map',
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view: new ol.View2D({
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center: [-10997171.194994785, 5206335.565590534],
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zoom: 4
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})
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});
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selectControl.activate();
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@@ -201,6 +201,15 @@
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* Default is '' (empty string).
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*/
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/**
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* @typedef {Object} ol.control.SelectOptions
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* @property {string|undefined} className CSS class name. Default is 'ol-select'.
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* @property {Element|undefined} element Element.
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* @property {Array.<ol.layer.Layer>|undefined} layers Layers to select features on.
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* @property {ol.Map|undefined} map Map.
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* @property {Element|undefined} target Target.
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*/
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/**
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* @typedef {Object} ol.control.ScaleLineOptions
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* @property {string|undefined} className CSS Class name. Default is 'ol-scale-line'.
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106
src/ol/control/selectcontrol.js
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src/ol/control/selectcontrol.js
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goog.provide('ol.control.Select');
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goog.require('goog.array');
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goog.require('goog.dom');
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goog.require('goog.dom.TagName');
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goog.require('goog.dom.classes');
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goog.require('goog.events');
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goog.require('goog.events.EventType');
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goog.require('ol.MapBrowserEvent.EventType');
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goog.require('ol.control.Control');
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goog.require('ol.css');
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/**
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* @constructor
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* @extends {ol.control.Control}
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* @param {ol.control.SelectOptions=} opt_options Options.
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*/
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ol.control.Select = function(opt_options) {
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var options = goog.isDef(opt_options) ? opt_options : {};
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this.layers_ = options.layers;
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var className = goog.isDef(options.className) ? options.className :
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'ol-select';
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var element = goog.dom.createDom(goog.dom.TagName.DIV, {
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'class': className + ' ' + ol.css.CLASS_UNSELECTABLE
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});
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var button = goog.dom.createDom(goog.dom.TagName.A, {
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'href': '#Select'
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});
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goog.dom.appendChild(element, button);
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goog.events.listen(element, [
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goog.events.EventType.TOUCHEND,
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goog.events.EventType.CLICK
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], this.toggleActive_, false, this);
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goog.base(this, {
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element: element,
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map: options.map,
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target: options.target
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});
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};
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goog.inherits(ol.control.Select, ol.control.Control);
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/**
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* @param {goog.events.BrowserEvent} browserEvent Browser event.
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* @private
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*/
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ol.control.Select.prototype.toggleActive_ = function(browserEvent) {
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// prevent #Select anchor from getting appended to the url
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browserEvent.preventDefault();
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if (this.active_) {
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this.deactivate();
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} else {
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this.activate();
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}
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};
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/**
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* Activate the control.
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*/
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ol.control.Select.prototype.activate = function() {
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goog.dom.classes.add(this.element, 'active');
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// TODO: Add box selection
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this.listenerKeys.push(
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goog.events.listen(this.getMap(), ol.MapBrowserEvent.EventType.CLICK,
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this.handleClick, true, this));
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};
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/**
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* Dectivate the control.
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*/
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ol.control.Select.prototype.deactivate = function() {
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if (!goog.array.isEmpty(this.listenerKeys)) {
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goog.array.forEach(this.listenerKeys, goog.events.unlistenByKey);
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this.listenerKeys.length = 0;
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}
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goog.dom.classes.remove(this.element, 'active');
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};
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/**
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* @param {ol.MapBrowserEvent} evt Event.
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*/
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ol.control.Select.prototype.handleClick = function(evt) {
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this.getMap().getFeatures({
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layers: this.layers_,
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pixel: evt.getPixel(),
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success: this.select
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});
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};
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/**
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* @param {Array.<Array.<ol.Feature>>} featuresByLayer Features by layer.
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*/
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ol.control.Select.prototype.select = function(featuresByLayer) {
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// TODO: Do something with the features.
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};
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