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OpenBoard/resources/library/applications/OpenStreetMap.wgt/index.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Open Street Map</title>
<meta http-equiv="content-type" content="application/xhtml+xml; charset=UTF-8" />
<style type="text/css" media="all">
html, body, #map {
width: 100%;
height: 100%;
margin: 0;
position: relative;
z-index: 0;
font-family: sans-serif;
}
#search_form {
position: absolute;
z-index: 1;
bottom: 2.5em;
right: 0.5em;
}
#layout_switch {
position: absolute;
bottom: 15px;
left: 140px;
z-index: 1;
}
#layout_switch a {
color: black;
}
#layout_switch a:visited {
color: black;
}
#layout_switch a:hover {
color: white;
background-color: black;
opacity: 0.5;
}
.olControlPanZoom {
top: auto !important;
bottom: 173px; /* .olControlScaleLine.bottom = 15 + .olControlScaleLine.bottom = 26 + margin = 15px + #OpenLayers.Control.PanZoom_5_zoomout = 99 + #OpenLayers.Control.PanZoom_5_zoomout = 18 */
}
.olControlAttribution {
right: 0.5em !important;
bottom: 15px !important;
}
</style>
<script src="api/OpenLayers.js" type="text/javascript"></script>
<script src="js/jquery-1.7.2.min.js" type="text/javascript"></script>
<script type="text/javascript">
<!--
/*
* OpenStreetMap Widget
* ==========================================================
* Copyright (C) Université Claude Bernard Lyon 1 (ICAP), Délégation Interministérielle à l'Éducation Numérique en Afrique, Guillaume Burel, 2012
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* API identifier */
var geonamesUser = "yimgo";
/* map variable will be used to manipulate the map. This will be initialized like an OpenLayers.Map object. */
var map;
/* updateMap() allow user to modify the considered zone, in case a change has been requested (e.g. user request) */
function updateMap(coordinates) {
/* transforming given coordinates, which have to be expressed in WGS-1984 projection, to map's projection */
var position = new OpenLayers.LonLat(coordinates["lng"], coordinates["lat"]).transform(new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject());
/* centering in position with given zoom */
map.setCenter(position, coordinates["zoom"]);
}
/* doSearch() performs the request to geonames server with the given query, and updates the map in case of success. */
function doSearch(query) {
/* performing request with JSON API from geonames and global username (identifying request's author). Asking for only one result, to save resources and to allow the user to avoid a choice when doing the research. */
$.ajax({
url: "http://api.geonames.org/searchJSON",
dataType: 'json',
data: {
q: unescape(encodeURIComponent(query)),
maxRows: "1",
username: geonamesUser
},
success: function(data) {
/* updating the map if response is ok */
if (typeof data["geonames"][0]!= 'undefined') {
var coordinates = new Array();
coordinates["lng"] = data["geonames"][0].lng;
coordinates["lat"] = data["geonames"][0].lat;
/* if position represents a city, setting the zoom to 6 */
if (data["geonames"][0].fcl == "A")
coordinates["zoom"] = 6;
else
coordinates["zoom"] = 12;
updateMap(coordinates);
}
}
});
}
window.onload = function() {
map = new OpenLayers.Map({
div: "map"
});
/* limiting max zoom, by overriding OpenLayers.Map::moveTo function */
map.newMoveTo = map.moveTo;
map.moveTo = function(lonlat, zoom, options) {
return(zoom >= 0 && zoom <= 17) ? map.newMoveTo(lonlat,zoom,options) : false;
};
/* Standard layer */
classic = new OpenLayers.Layer.OSM("Classic");
/* avoiding out of bounds requests */
classic.displayOutsideMaxExtent = false;
/* Landscape layer */
relief = new OpenLayers.Layer.OSM("Relief", [
'http://a.tile3.opencyclemap.org/landscape/${z}/${x}/${y}.png',
'http://b.tile3.opencyclemap.org/landscape/${z}/${x}/${y}.png',
'http://c.tile3.opencyclemap.org/landscape/${z}/${x}/${y}.png'
]);
relief.displayOutsideMaxExtent = false;
/* then adding layers to the map */
map.addLayers([classic, relief]);
/* displaying scale line, allowing user to represent distances */
map.addControl(new OpenLayers.Control.ScaleLine());
/* then zomming to get a better overview of the worldmap */
map.zoomTo(2);
/* doSearch is called when form is submitted */
$("#search_form").submit(function (event) {
doSearch($("#query").val());
return false;
});
/* allowing user to simply switch between classic and relief layers */
$("#layout_switch > a").click(function (event) {
newLayer = $(this).text() == "Relief" ? relief : classic;
newText = $(this).text() == "Relief" ? "Classic" : "Relief";
$(this).text(newText);
map.setBaseLayer(newLayer);
return false;
});
};
-->
</script>
</head>
<body>
<div id="map">
</div>
<div id="layout_switch">
<a href="#">Relief</a>
</div>
<form method="post" id="search_form" action="#" accept-charset="UTF-8">
<p>
<input type="text" value="" tabindex="1" id="query" />
<input type="submit" value="Go" />
</p>
</form>
</body>
</html>