57600b2c81
git-svn-id: http://svn.openlayers.org/trunk/openlayers@9302 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
218 lines
7.0 KiB
HTML
218 lines
7.0 KiB
HTML
<html>
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<head>
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<title>OpenLayers WMS Feature Info Example (GeoServer)</title>
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<script src="../lib/OpenLayers.js"></script>
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<link rel="stylesheet" href="../theme/default/style.css" type="text/css" />
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<link rel="stylesheet" href="style.css" type="text/css" />
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<style type="text/css">
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ul, li {
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padding-left: 0px;
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margin-left: 0px;
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list-style: none;
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}
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#info {
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position: absolute;
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top: 6em;
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left: 550px;
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}
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#info table td {
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border:1px solid #ddd;
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border-collapse: collapse;
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margin: 0;
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padding: 0;
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font-size: 90%;
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padding: .2em .1em;
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background:#fff;
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}
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#info table th{
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padding:.2em .2em;
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text-transform: uppercase;
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font-weight: bold;
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background: #eee;
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}
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tr.odd td {
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background:#eee;
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}
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table.featureInfo caption {
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text-align:left;
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font-size:100%;
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font-weight:bold;
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text-transform:uppercase;
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padding:.2em .2em;
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}
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</style>
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<script defer="defer" type="text/javascript">
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OpenLayers.ProxyHost = "proxy.cgi?url=";
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var map, infocontrols, water, highlightlayer;
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function load() {
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map = new OpenLayers.Map('map', {
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maxExtent: new OpenLayers.Bounds(143.834,-43.648,148.479,-39.573)
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});
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var political = new OpenLayers.Layer.WMS("State Boundaries",
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"http://demo.opengeo.org/geoserver/wms",
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{'layers': 'topp:tasmania_state_boundaries', transparent: true, format: 'image/gif'},
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{isBaseLayer: true}
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);
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var roads = new OpenLayers.Layer.WMS("Roads",
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"http://demo.opengeo.org/geoserver/wms",
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{'layers': 'topp:tasmania_roads', transparent: true, format: 'image/gif'},
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{isBaseLayer: false}
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);
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var cities = new OpenLayers.Layer.WMS("Cities",
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"http://demo.opengeo.org/geoserver/wms",
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{'layers': 'topp:tasmania_cities', transparent: true, format: 'image/gif'},
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{isBaseLayer: false}
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);
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water = new OpenLayers.Layer.WMS("Bodies of Water",
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"http://demo.opengeo.org/geoserver/wms",
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{'layers': 'topp:tasmania_water_bodies', transparent: true, format: 'image/gif'},
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{isBaseLayer: false}
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);
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highlightLayer = new OpenLayers.Layer.Vector("Highlighted Features", {
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displayInLayerSwitcher: false,
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isBaseLayer: false
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}
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);
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infoControls = {
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click: new OpenLayers.Control.WMSGetFeatureInfo({
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url: 'http://demo.opengeo.org/geoserver/wms',
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title: 'Identify features by clicking',
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layers: [water],
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queryVisible: true
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}),
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hover: new OpenLayers.Control.WMSGetFeatureInfo({
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url: 'http://demo.opengeo.org/geoserver/wms',
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title: 'Identify features by clicking',
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layers: [water],
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hover: true,
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// defining a custom format options here
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formatOptions: {
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typeName: 'water_bodies',
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featureNS: 'http://www.openplans.org/topp'
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},
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queryVisible: true
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})
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}
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map.addLayers([political, roads, cities, water, highlightLayer]);
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for (var i in infoControls) {
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infoControls[i].events.register("getfeatureinfo", this, showInfo);
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map.addControl(infoControls[i]);
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}
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map.addControl(new OpenLayers.Control.LayerSwitcher());
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infoControls.click.activate();
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map.zoomToMaxExtent();
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}
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function showInfo(evt) {
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if (evt.features && evt.features.length) {
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highlightLayer.destroyFeatures();
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highlightLayer.addFeatures(evt.features);
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highlightLayer.redraw();
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} else {
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$('responseText').innerHTML = evt.text;
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}
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}
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function toggleControl(element) {
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for (var key in infoControls) {
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var control = infoControls[key];
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if (element.value == key && element.checked) {
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control.activate();
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} else {
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control.deactivate();
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}
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}
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}
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function toggleFormat(element) {
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for (var key in infoControls) {
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var control = infoControls[key];
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control.infoFormat = element.value;
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}
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}
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function toggleLayers(element) {
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for (var key in infoControls) {
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var control = infoControls[key];
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if (element.value == 'Specified') {
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control.layers = [water];
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} else {
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control.layers = null;
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}
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}
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}
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// function toggle(key
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</script>
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</head>
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<body onload="load()">
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<h1 id="title">Feature Info Example</h1>
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<div id="tags"></div>
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<p id="shortdesc">
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Demonstrates the WMSGetFeatureInfo control for fetching information about a position from WMS (via GetFeatureInfo request).
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</p>
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<div id="info">
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<h1>Tasmania</h1>
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<p>Click on the map to get feature info.</p>
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<div id="responseText">
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</div>
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</div>
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<div id="map" class="smallmap"></div>
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<div id="docs">
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</div>
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<ul id="control">
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<li>
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<input type="radio" name="controlType" value="click" id="click"
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onclick="toggleControl(this);" checked="checked" />
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<label for="click">Click</label>
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</li>
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<li>
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<input type="radio" name="controlType" value="hover" id="hover"
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onclick="toggleControl(this);" />
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<label for="hover">Hover</label>
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</li>
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</ul>
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<ul id="format">
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<li>
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<input type="radio" name="formatType" value="text/html" id="html"
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onclick="toggleFormat(this);" checked="checked" />
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<label for="html">Show HTML Description</label>
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</li>
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<li>
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<input type="radio" name="formatType" value="application/vnd.ogc.gml" id="highlight"
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onclick="toggleFormat(this);" />
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<label for="highlight">Highlight Feature on Map</label>
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</li>
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</ul>
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<ul id="layers">
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<li>
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<input type="radio" name="layerSelection" value="Specified" id="Specified"
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onclick="toggleLayers(this);" checked="checked" />
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<label for="Specified">Get water body info</label>
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</li>
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<li>
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<input type="radio" name="layerSelection" value="Auto" id="Auto"
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onclick="toggleLayers(this);" />
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<label for="Auto">Get info for visible layers</label>
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</li>
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</ul>
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</body>
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</html>
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