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diff --git a/misc/openlayers/examples/draw-feature.html b/misc/openlayers/examples/draw-feature.html new file mode 100644 index 0000000..f70e9ea --- /dev/null +++ b/misc/openlayers/examples/draw-feature.html @@ -0,0 +1,143 @@ +<!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>Draw Feature Example</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; + } + p { + width: 512px; + } + + /* avoid pink tiles */ + .olImageLoadError { + background-color: transparent !important; + } + </style> + <script src="../lib/OpenLayers.js"></script> + <script type="text/javascript"> + var map, drawControls; + 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 pointLayer = new OpenLayers.Layer.Vector("Point Layer"); + var lineLayer = new OpenLayers.Layer.Vector("Line Layer"); + var polygonLayer = new OpenLayers.Layer.Vector("Polygon Layer"); + var boxLayer = new OpenLayers.Layer.Vector("Box layer"); + + map.addLayers([wmsLayer, pointLayer, lineLayer, polygonLayer, boxLayer]); + map.addControl(new OpenLayers.Control.LayerSwitcher()); + map.addControl(new OpenLayers.Control.MousePosition()); + + drawControls = { + point: new OpenLayers.Control.DrawFeature(pointLayer, + OpenLayers.Handler.Point), + line: new OpenLayers.Control.DrawFeature(lineLayer, + OpenLayers.Handler.Path), + polygon: new OpenLayers.Control.DrawFeature(polygonLayer, + OpenLayers.Handler.Polygon), + box: new OpenLayers.Control.DrawFeature(boxLayer, + OpenLayers.Handler.RegularPolygon, { + handlerOptions: { + sides: 4, + irregular: true + } + } + ) + }; + + for(var key in drawControls) { + map.addControl(drawControls[key]); + } + + map.setCenter(new OpenLayers.LonLat(0, 0), 3); + + document.getElementById('noneToggle').checked = true; + } + + function toggleControl(element) { + for(key in drawControls) { + var control = drawControls[key]; + if(element.value == key && element.checked) { + control.activate(); + } else { + control.deactivate(); + } + } + } + + function allowPan(element) { + var stop = !element.checked; + for(var key in drawControls) { + drawControls[key].handler.stopDown = stop; + drawControls[key].handler.stopUp = stop; + } + } + </script> + </head> + <body onload="init()"> + <h1 id="title">OpenLayers Draw Feature Example</h1> + + <div id="tags"> + point, line, linestring, polygon, box, digitizing, geometry, draw, drag + </div> + + <p id="shortdesc"> + Demonstrate on-screen digitizing tools for point, line, polygon and box creation. + </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="box" id="boxToggle" onclick="toggleControl(this);" /> + <label for="boxToggle">draw box</label> + </li> + <li> + <input type="checkbox" name="allow-pan" value="allow-pan" id="allowPanCheckbox" checked=true onclick="allowPan(this);" /> + <label for="allowPanCheckbox">allow pan while drawing</label> + </li> + </ul> + + <div id="docs"> + <p>With the point drawing control active, click on the map to add a point.</p> + <p>With the line drawing control active, click on the map to add the points that make up your line. + Double-click to finish drawing.</p> + <p>With the polygon drawing control active, click on the map to add the points that make up your + polygon. Double-click to finish drawing.</p> + <p>With the box drawing control active, click in the map and drag the mouse to get a rectangle. Release + the mouse to finish.</p> + <p>With any drawing control active, paning the map can still be achieved. Drag the map as + usual for that.</p> + <p>Hold down the shift key while drawing to activate freehand mode. While drawing lines or polygons + in freehand mode, hold the mouse down and a point will be added with every mouse movement.<p> + </div> + </body> +</html> |