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Diffstat (limited to 'misc/openlayers/examples/custom-control.html')
-rw-r--r-- | misc/openlayers/examples/custom-control.html | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/misc/openlayers/examples/custom-control.html b/misc/openlayers/examples/custom-control.html new file mode 100644 index 0000000..8688751 --- /dev/null +++ b/misc/openlayers/examples/custom-control.html @@ -0,0 +1,68 @@ +<!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> |