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Add select-features example

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Tom Payne
2014-01-28 19:37:44 +01:00
parent 2b71154bb2
commit d36fcc1f69
2 changed files with 110 additions and 0 deletions
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examples/select-features.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="chrome=1">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<link rel="stylesheet" href="../css/ol.css" type="text/css">
<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap.min.css" type="text/css">
<link rel="stylesheet" href="../resources/layout.css" type="text/css">
<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap-responsive.min.css" type="text/css">
<title>Select features example</title>
</head>
<body>
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="brand" href="./"><img src="../resources/logo.png"> OpenLayers 3 Examples</a>
</div>
</div>
</div>
<div class="container-fluid">
<div class="row-fluid">
<div class="span12">
<div id="map" class="map"></div>
</div>
</div>
<div class="row-fluid">
<div class="span12">
<h4 id="title">Select features example</h4>
<p id="shortdesc">Example of using the Select interaction. Select features by clicking polygons. Hold the Shift-key to add to the selection.</p>
<div id="docs">
<p>See the <a href="select-features.js" target="_blank">select-features.js source</a> to see how this is done.</p>
</div>
<div id="tags">select, vector</div>
</div>
</div>
</div>
<script src="loader.js?id=select-features" type="text/javascript"></script>
<script src="../resources/example-behaviour.js" type="text/javascript"></script>
</body>
</html>
examples/select-features.js
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goog.require('ol.Map');
goog.require('ol.RendererHint');
goog.require('ol.View2D');
goog.require('ol.interaction');
goog.require('ol.interaction.Select');
goog.require('ol.layer.Tile');
goog.require('ol.layer.Vector');
goog.require('ol.render.FeaturesOverlay');
goog.require('ol.source.GeoJSON');
goog.require('ol.source.MapQuest');
goog.require('ol.style.Fill');
goog.require('ol.style.Stroke');
goog.require('ol.style.Style');
var raster = new ol.layer.Tile({
source: new ol.source.MapQuest({layer: 'sat'})
});
var unselectedStyle = [new ol.style.Style({
fill: new ol.style.Fill({
color: 'rgba(255,255,255,0.25)'
}),
stroke: new ol.style.Stroke({
color: '#6666ff'
})
})];
var selectedStyle = [new ol.style.Style({
fill: new ol.style.Fill({
color: 'rgba(255,255,255,0.5)'
})
})];
var vector = new ol.layer.Vector({
source: new ol.source.GeoJSON({
url: 'data/geojson/countries.geojson'
}),
styleFunction: function(feature, layer) {
return unselectedStyle;
}
});
var select = new ol.interaction.Select({
featuresOverlay: new ol.render.FeaturesOverlay({
styleFunction: function(feature, layer) {
return selectedStyle;
}
})
});
var map = new ol.Map({
interactions: ol.interaction.defaults().extend([select]),
layers: [raster, vector],
renderer: ol.RendererHint.CANVAS,
target: 'map',
view: new ol.View2D({
center: [0, 0],
zoom: 2
})
});