mirror of
https://github.com/Karaka-Management/Resources.git
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73 lines
2.2 KiB
HTML
73 lines
2.2 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
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<meta name="apple-mobile-web-app-capable" content="yes">
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<link rel="stylesheet" href="../../theme/default/style.css" type="text/css">
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<link rel="stylesheet" href="../../examples/style.css" type="text/css">
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<script src="../../lib/OpenLayers.js"></script>
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<script type="text/javascript">
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var lon = 5;
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var lat = 40;
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var zoom = 5;
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var map, layer;
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var numLoadingLayers = 0;
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function init(){
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map = new OpenLayers.Map( 'map' );
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layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
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"http://vmap0.tiles.osgeo.org/wms/vmap0", {layers: 'basic'});
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layer.events.register('loadstart', this, onloadstart);
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layer.events.register('loadend', this, onloadend);
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
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}
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function log(msg) {
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document.getElementById("output").innerHTML += msg + "<br />";
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}
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function onloadstart(evt) {
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numLoadingLayers++;
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var msg = ['loadstart', '# layers loading:', numLoadingLayers].join(' ');
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log (msg);
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};
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function onloadend(evt) {
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numLoadingLayers--;
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var msg = ['loadend ', '# layers loading:', numLoadingLayers].join(' ');
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log (msg);
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};
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</script>
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</head>
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<body onload="init()">
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<h1 id="title">WMS loadstart/loadend events</h1>
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<div id="tags">
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wms, layer, singletile
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</div>
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<p id="shortdesc">
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Shows the loadstart and loadend events of a WMS layer
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</p>
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<div id="map" class="smallmap"></div>
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<div id="docs">
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<p>
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This example is helpful in testing whether all loadstart events are followed
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by a loadend event.
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Test by using scroll-wheel up and down.
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</p>
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</div>
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<h1>loadstart and loadend events</h1>
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<pre id="output"></pre>
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</body>
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</html> |