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Diffstat (limited to 'misc/openlayers/examples/select-feature.html')
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diff --git a/misc/openlayers/examples/select-feature.html b/misc/openlayers/examples/select-feature.html new file mode 100644 index 0000000..fe5243e --- /dev/null +++ b/misc/openlayers/examples/select-feature.html @@ -0,0 +1,170 @@ +<!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>SelectFeature Control 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; + + OpenLayers.Feature.Vector.style['default']['strokeWidth'] = '2'; + function init(){ + map = new OpenLayers.Map('map'); + var wmsLayer = new OpenLayers.Layer.WMS( + "OpenLayers WMS", + "http://vmap0.tiles.osgeo.org/wms/vmap0", + {layers: 'basic'} + ); + + // allow testing of specific renderers via "?renderer=Canvas", etc + var renderer = OpenLayers.Util.getParameters(window.location.href).renderer; + renderer = (renderer) ? [renderer] : OpenLayers.Layer.Vector.prototype.renderers; + + var vectors = new OpenLayers.Layer.Vector("Vector Layer", { + renderers: renderer + }); + vectors.events.on({ + 'featureselected': function(feature) { + document.getElementById('counter').innerHTML = this.selectedFeatures.length; + }, + 'featureunselected': function(feature) { + document.getElementById('counter').innerHTML = this.selectedFeatures.length; + } + }); + + map.addLayers([wmsLayer, vectors]); + map.addControl(new OpenLayers.Control.LayerSwitcher()); + + drawControls = { + point: new OpenLayers.Control.DrawFeature( + vectors, OpenLayers.Handler.Point + ), + line: new OpenLayers.Control.DrawFeature( + vectors, OpenLayers.Handler.Path + ), + polygon: new OpenLayers.Control.DrawFeature( + vectors, OpenLayers.Handler.Polygon + ), + select: new OpenLayers.Control.SelectFeature( + vectors, + { + clickout: false, toggle: false, + multiple: false, hover: false, + toggleKey: "ctrlKey", // ctrl key removes from selection + multipleKey: "shiftKey", // shift key adds to selection + box: true + } + ), + selecthover: new OpenLayers.Control.SelectFeature( + vectors, + { + multiple: false, hover: true, + toggleKey: "ctrlKey", // ctrl key removes from selection + multipleKey: "shiftKey" // shift key adds to selection + } + ) + }; + + 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(); + } + } + } + + function update() { + var clickout = document.getElementById("clickout").checked; + if(clickout != drawControls.select.clickout) { + drawControls.select.clickout = clickout; + } + + var box = document.getElementById("box").checked; + if(box != drawControls.select.box) { + drawControls.select.box = box; + if(drawControls.select.active) { + drawControls.select.deactivate(); + drawControls.select.activate(); + } + } + } + </script> + </head> + <body onload="init()"> + <h1 id="title">OpenLayers Select Feature Example</h1> + <div id="tags"> + vector, feature, selecting, selection, advanced + </div> + <p id="shortdesc"> + Select a feature on hover or click with the Control.SelectFeature on a + vector layer. + </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="point" id="pointToggle" + onclick="toggleControl(this);" /> + <label for="pointToggle">draw point</label> + </li> + <li> + <input type="radio" name="type" value="line" id="lineToggle" + onclick="toggleControl(this);" /> + <label for="lineToggle">draw line</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="selecthover" id="selecthoverToggle" + onclick="toggleControl(this);" /> + <label for="selecthoverToggle">Select features on hover</label> + </li> + <li> + <input type="radio" name="type" value="select" id="selectToggle" + onclick="toggleControl(this);" /> + <label for="selectToggle">select feature (<span id="counter">0</span> features selected)</label> + <ul> + <li> + <input id="box" type="checkbox" checked="checked" + name="box" onchange="update()" /> + <label for="box">select features in a box</label> + </li> + <li> + <input id="clickout" type="checkbox" + name="clickout" onchange="update()" /> + <label for="clickout">click out to unselect features</label> + </li> + </ul> + </li> + </ul> + <p>Use the shift key to select multiple features. Use the ctrl key to + toggle selection on features one at a time. Note: the "clickout" option has no + effect when "hover" is selected.</p> + </body> +</html> |