diff options
Diffstat (limited to 'misc/openlayers/examples/accessible.html')
| -rw-r--r-- | misc/openlayers/examples/accessible.html | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/misc/openlayers/examples/accessible.html b/misc/openlayers/examples/accessible.html new file mode 100644 index 0000000..36236d5 --- /dev/null +++ b/misc/openlayers/examples/accessible.html @@ -0,0 +1,167 @@ +<!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>OpenLayers Accessible 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"> + table { + border: 1 px solid white; + padding: 0; + } + td { + text-align: center; + } + a { + text-decoration: none; + font-size: 1.2em; + } + a em { + font-style: normal; + font-weight: normal; + text-decoration: underline; + } + a:hover { + text-decoration: underline; + } + a.api { + font-size:1em; + text-decoration:underline; + } + a.accesskey { + color: white; + } + a.accesskey:focus { + color: #436976; + } + a.zoom { + padding-right: 20px; + } + </style> + <script src="../lib/OpenLayers.js"></script> + <script type="text/javascript"> + var map = null; + function init(){ + var options = { + controls: [ + new OpenLayers.Control.KeyboardDefaults({ + observeElement: 'map' + }) + ] + }; + map = new OpenLayers.Map('map', options); + var wms = new OpenLayers.Layer.WMS( + "OpenLayers WMS", + "http://vmap0.tiles.osgeo.org/wms/vmap0?", + {layers: 'basic'} + ); + map.addLayer(wms); + map.zoomToMaxExtent(); + } + </script> + </head> + <body onload="init()"> + <h1 id="title">Accessible Example</h1> + + <div id="tags"> + keyboard, pan, panning, zoom, zooming, accesskey + </div> + + <a class="accesskey" + href="" + accesskey="1" + onclick="document.getElementById('map').focus(); return false;"> + Go to map + </a> + + <p id="shortdesc"> + Demonstrate the KeyboardDefaults control and how to use links + with Access Keys to navigate the map with the keyboard. + </p> + + <a class="zoom" + href="javascript: void map.zoomIn();" + accesskey="i"> + zoom <em>i</em>n</a> + <a class="zoom" + href="javascript: void map.zoomOut();" + accesskey="o"> + zoom <em>o</em>ut</a> + + <table> + <tbody> + <tr> + <td> </td> + <td> + <a href="javascript: void map.pan(0, -map.getSize().h / 4);" + accesskey="n"> + pan <em>n</em>orth + </a> + </td> + </tr> + <tr> + <td> + <a href="javascript: void map.pan(-map.getSize().w / 4, 0);" + accesskey="w"> + pan <em>w</em>est + </a> + </td> + <td id="map" class="smallmap" tabindex="0"></td> + <td> + <a href="javascript: void map.pan(map.getSize().w / 4, 0);" + accesskey="e"> + pan <em>e</em>ast + </a> + </td> + </tr> + <tr> + <td> </td> + <td> + <a href="javascript: void map.pan(0, map.getSize().h / 4);" + accesskey="s"> + pan <em>s</em>outh + </a> + </td> + <td> </td> + </tr> + </tbody> + </table> + + <div id="docs"> + <p>Navigate the map in one of three ways:</p> + <ol> + <li>Use Access Key "1" (alt + 1) to focus the map element, and + use following keys to pan and zoom: + <ul> + <li>+ (zoom in)</li> + <li>- (zoom out)</li> + <li>up-arrow (pan north)</li> + <li>down-arrow (pan south)</li> + <li>left-arrow (pan east)</li> + <li>right-arrow (pan west)</li> + </ul> + See <a href=http://en.wikipedia.org/wiki/Access_key>wikipedia</a> for + more detail about Access Keys. + </li> + <li>Navigate to pan and zoom links using the "tab" key, and + press "enter" to pan and zoom</li> + <li>If Access Keys work for links in your browser, use: + <ul> + <li>i (zoom in)</li> + <li>o (zoom out)</li> + <li>n (pan north)</li> + <li>s (pan south)</li> + <li>e (pan east)</li> + <li>w (pan west)</li> + </ul> + </li> + </ol> + <p> + + This is an example of using alternate methods to control panning and zooming. This approach uses map.pan() and map.zoom(). You'll note that to pan, additional math is necessary along with map.size() in order to set the distance to pan. + </div> + </body> +</html> |