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