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+<!DOCTYPE html>
+<html>
+ <head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
+ <meta name="apple-mobile-web-app-capable" content="yes">
+ <title>Custom Control Example</title>
+ <link rel="stylesheet" href="../theme/default/style.css" type="text/css">
+ <link rel="stylesheet" href="style.css" type="text/css">
+ <script src="../lib/OpenLayers.js"></script>
+ <script type="text/javascript">
+ var lon = 5;
+ var lat = 40;
+ var zoom = 5;
+ var map, layer;
+
+ function init(){
+ map = new OpenLayers.Map('map');
+ layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
+ "http://vmap0.tiles.osgeo.org/wms/vmap0", {layers: 'basic'} );
+
+ var control = new OpenLayers.Control();
+ OpenLayers.Util.extend(control, {
+ draw: function () {
+ // this Handler.Box will intercept the shift-mousedown
+ // before Control.MouseDefault gets to see it
+ this.box = new OpenLayers.Handler.Box( control,
+ {"done": this.notice},
+ {keyMask: OpenLayers.Handler.MOD_SHIFT});
+ this.box.activate();
+ },
+
+ notice: function (bounds) {
+ var ll = map.getLonLatFromPixel(new OpenLayers.Pixel(bounds.left, bounds.bottom));
+ var ur = map.getLonLatFromPixel(new OpenLayers.Pixel(bounds.right, bounds.top));
+ alert(ll.lon.toFixed(4) + ", " +
+ ll.lat.toFixed(4) + ", " +
+ ur.lon.toFixed(4) + ", " +
+ ur.lat.toFixed(4));
+ }
+ });
+
+ map.addLayer(layer);
+ map.addControl(control);
+ map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
+ }
+ </script>
+ </head>
+ <body onload="init()">
+ <h1 id="title">Custom Control Example</h1>
+
+ <div id="tags">
+ control, panel, rectangle, light
+ </div>
+
+ <p id="shortdesc">
+ Demonstrate the addition of a rectangle to the OpenLayers window.
+ </p>
+
+ <div id="map" class="smallmap"></div>
+
+ <div id="docs">
+ <p>The control allows you to draw a rectangle, that reports its coordinates
+ after creation. Hold down the shift key on your keyboard and draw a
+ rectangle with the mouse.</p>
+ </div>
+ </body>
+</html>