1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>SelectFeature Control on multiple vector layers</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, selectControl; OpenLayers.Feature.Vector.style['default']['strokeWidth'] = '2'; function init(){ map = new OpenLayers.Map('map'); var wmsLayer = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} ); var vectors1 = new OpenLayers.Layer.Vector("Vector Layer 1", { styleMap: new OpenLayers.StyleMap({ "default": new OpenLayers.Style(OpenLayers.Util.applyDefaults({ externalGraphic: "../img/marker-green.png", graphicOpacity: 1, rotation: -45, pointRadius: 10 }, OpenLayers.Feature.Vector.style["default"])), "select": new OpenLayers.Style({ externalGraphic: "../img/marker-blue.png" }) }) }); var vectors2 = new OpenLayers.Layer.Vector("Vector Layer 2", { styleMap: new OpenLayers.StyleMap({ "default": new OpenLayers.Style(OpenLayers.Util.applyDefaults({ fillColor: "red", strokeColor: "gray", graphicName: "square", rotation: 45, pointRadius: 15 }, OpenLayers.Feature.Vector.style["default"])), "select": new OpenLayers.Style(OpenLayers.Util.applyDefaults({ graphicName: "square", rotation: 45, pointRadius: 15 }, OpenLayers.Feature.Vector.style["select"])) }) }); map.addLayers([wmsLayer, vectors1, vectors2]); map.addControl(new OpenLayers.Control.LayerSwitcher()); selectControl = new OpenLayers.Control.SelectFeature( [vectors1, vectors2], { clickout: true, toggle: false, multiple: false, hover: false, toggleKey: "ctrlKey", // ctrl key removes from selection multipleKey: "shiftKey" // shift key adds to selection } ); map.addControl(selectControl); selectControl.activate(); map.setCenter(new OpenLayers.LonLat(0, 0), 3); vectors1.addFeatures(createFeatures()); vectors2.addFeatures(createFeatures()); vectors1.events.on({ "featureselected": function(e) { showStatus("selected feature "+e.feature.id+" on Vector Layer 1"); }, "featureunselected": function(e) { showStatus("unselected feature "+e.feature.id+" on Vector Layer 1"); } }); vectors2.events.on({ "featureselected": function(e) { showStatus("selected feature "+e.feature.id+" on Vector Layer 2"); }, "featureunselected": function(e) { showStatus("unselected feature "+e.feature.id+" on Vector Layer 2"); } }); } function createFeatures() { var extent = map.getExtent(); var features = []; for(var i=0; i<10; ++i) { features.push(new OpenLayers.Feature.Vector( new OpenLayers.Geometry.Point(extent.left + (extent.right - extent.left) * Math.random(), extent.bottom + (extent.top - extent.bottom) * Math.random() ))); } return features; } function showStatus(text) { document.getElementById("status").innerHTML = text; } </script> </head> <body onload="init()"> <h1 id="title">OpenLayers Select Feature on Multiple Layers Example</h1> <p id="shortdesc"> Select a feature on click with the Control.SelectFeature on multiple vector layers. </p> <div id="map" class="smallmap"></div> <div id="status"></div> </body> </html> |