7f34868fe2
git-svn-id: http://svn.openlayers.org/trunk/openlayers@11158 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
105 lines
4.0 KiB
HTML
105 lines
4.0 KiB
HTML
<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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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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<title>Open Popup on Layer.Vector</title>
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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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#controlToggle li {
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list-style: none;
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}
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</style>
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<script src="../lib/OpenLayers.js"></script>
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<script type="text/javascript">
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var map, drawControls, selectControl, selectedFeature;
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function onPopupClose(evt) {
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selectControl.unselect(selectedFeature);
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}
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function onFeatureSelect(feature) {
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selectedFeature = feature;
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popup = new OpenLayers.Popup.FramedCloud("chicken",
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feature.geometry.getBounds().getCenterLonLat(),
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null,
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"<div style='font-size:.8em'>Feature: " + feature.id +"<br />Area: " + feature.geometry.getArea()+"</div>",
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null, true, onPopupClose);
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feature.popup = popup;
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map.addPopup(popup);
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}
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function onFeatureUnselect(feature) {
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map.removePopup(feature.popup);
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feature.popup.destroy();
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feature.popup = null;
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}
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function init(){
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map = new OpenLayers.Map('map');
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var wmsLayer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
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"http://vmap0.tiles.osgeo.org/wms/vmap0?", {layers: 'basic'});
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var polygonLayer = new OpenLayers.Layer.Vector("Polygon Layer");
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map.addLayers([wmsLayer, polygonLayer]);
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map.addControl(new OpenLayers.Control.LayerSwitcher());
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map.addControl(new OpenLayers.Control.MousePosition());
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selectControl = new OpenLayers.Control.SelectFeature(polygonLayer,
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{onSelect: onFeatureSelect, onUnselect: onFeatureUnselect});
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drawControls = {
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polygon: new OpenLayers.Control.DrawFeature(polygonLayer,
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OpenLayers.Handler.Polygon),
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select: selectControl
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};
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for(var key in drawControls) {
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map.addControl(drawControls[key]);
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}
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map.setCenter(new OpenLayers.LonLat(0, 0), 3);
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}
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function toggleControl(element) {
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for(key in drawControls) {
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var control = drawControls[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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</script>
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</head>
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<body onload="init()">
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<h1 id="title">Open Popup on Layer.Vector</h1>
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<div id="tags">
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vector, feature, selecting, selection, popup
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</div>
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<p id="shortdesc">
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Using a Control.SelectFeature, open a popup on click.
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</p>
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<div id="map" class="smallmap"></div>
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<ul id="controlToggle">
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<li>
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<input type="radio" name="type" value="none" id="noneToggle"
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onclick="toggleControl(this);" checked="checked" />
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<label for="noneToggle">navigate</label>
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</li>
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<li>
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<input type="radio" name="type" value="polygon" id="polygonToggle"
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onclick="toggleControl(this);" />
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<label for="polygonToggle">draw polygon</label>
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</li>
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<li>
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<input type="radio" name="type" value="select" id="selectToggle"
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onclick="toggleControl(this);" />
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<label for="selectToggle">select polygon on click</label>
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</li>
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</ul>
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<p>It is possible to use the onSelect/onUnselect hooks on the SelectFeature
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to do fun things -- like open a popup.
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</p>
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</body>
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</html>
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