|
|
|
|
<!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>YaCy '#[clientname]#': Location Search</title>
|
|
|
|
|
#%env/templates/metas.template%#
|
|
|
|
|
<script type="text/javascript" src="https://openlayers.org/api/OpenLayers.js"></script>
|
|
|
|
|
<script type="text/javascript" src="https://www.openstreetmap.org/openlayers/OpenStreetMap.js"></script>
|
|
|
|
|
<script type="text/javascript">
|
|
|
|
|
// possible values for dom: location,metatag,alltext,title,publisher,creator,subject
|
|
|
|
|
|
|
|
|
|
var map;
|
|
|
|
|
var searchLayer_md0 = null; // two layers each for double-buffering during search
|
|
|
|
|
var searchLayer_md1 = null;
|
|
|
|
|
var searchLayer_co0 = null;
|
|
|
|
|
var searchLayer_co1 = null;
|
|
|
|
|
var path_mdsearch = 'yacysearch_location.rss?dom=alltext&query=';
|
|
|
|
|
var path_losearch = 'yacysearch_location.rss?dom=location&query=';
|
|
|
|
|
var marker_md = new OpenLayers.Icon("env/grafics/marker_red.png", new OpenLayers.Size(11,16));
|
|
|
|
|
var marker_co = new OpenLayers.Icon("env/grafics/star_yellow.png", new OpenLayers.Size(25,25));
|
|
|
|
|
var shallZoom = true; // flag if the map shall be zoomed to the search result
|
|
|
|
|
var shallReload = false; // flag if the search shall be repeated upon next resize of the window
|
|
|
|
|
var poisfound = 0;
|
|
|
|
|
var poisxml = "";
|
|
|
|
|
var kmNormal = 100; // ca. 1km grid for radius
|
|
|
|
|
var meterNormal = 100000; // ca. 1m grid for location
|
|
|
|
|
|
|
|
|
|
// automatically adapt height of map upon window resize
|
|
|
|
|
function adaptHeight() {
|
|
|
|
|
document.getElementById('map').style.height = (document.documentElement.clientHeight - 70) + "px";
|
|
|
|
|
}
|
|
|
|
|
window.onresize = adaptHeight;
|
|
|
|
|
|
|
|
|
|
// initialize the map layers
|
|
|
|
|
function init() {
|
|
|
|
|
map = new OpenLayers.Map('map', {
|
|
|
|
|
maxResolution:'auto',
|
|
|
|
|
controls:[
|
|
|
|
|
new OpenLayers.Control.Navigation(),
|
|
|
|
|
new OpenLayers.Control.PanZoomBar(),
|
|
|
|
|
new OpenLayers.Control.ZoomBox(),
|
|
|
|
|
new OpenLayers.Control.LayerSwitcher(),
|
|
|
|
|
new OpenLayers.Control.Attribution()]
|
|
|
|
|
});
|
|
|
|
|
//layerMaplint = new OpenLayers.Layer.OSM.Maplint("Maplint");
|
|
|
|
|
layerWMS = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );
|
|
|
|
|
layerMapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik");
|
|
|
|
|
layerCycleMap = new OpenLayers.Layer.OSM.CycleMap("CycleMap");
|
|
|
|
|
map.addLayer(layerMapnik);
|
|
|
|
|
map.addLayer(layerCycleMap);
|
|
|
|
|
//map.addLayer(layerMaplint);
|
|
|
|
|
map.addLayer(layerWMS);
|
|
|
|
|
|
|
|
|
|
map.addControl(new OpenLayers.Control.LayerSwitcher());
|
|
|
|
|
map.setCenter(new OpenLayers.LonLat(9,48) // Center of the map
|
|
|
|
|
.transform(
|
|
|
|
|
new OpenLayers.Projection("EPSG:4326"), // transform from WGS 1984
|
|
|
|
|
new OpenLayers.Projection("EPSG:900913") // to Spherical Mercator Projection
|
|
|
|
|
), 5 // Zoom level
|
|
|
|
|
);
|
|
|
|
|
map.events.register( "zoomend", map, zoomChanged );
|
|
|
|
|
map.events.register( "movestart", map, zoomChanged );
|
|
|
|
|
|
|
|
|
|
//#(initsearch)#::
|
|
|
|
|
var query = '#[query]#'.replace(' ', '+');
|
|
|
|
|
//#(/initsearch)#
|
|
|
|
|
|
|
|
|
|
window.setInterval("refresh()", 1000);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function zoomChanged() {
|
|
|
|
|
shallZoom = false; // no automatic zoom if user hs zoomed
|
|
|
|
|
refreshsearch();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// called if a search is submitted
|
|
|
|
|
function search() {
|
|
|
|
|
shallZoom = true;
|
|
|
|
|
refreshsearch();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// refresh is called if the map is zoomed or paned to get a new search result for the viewport
|
|
|
|
|
function refreshsearch() {
|
|
|
|
|
var query = document.getElementById('query').value.replace(' ', '+');
|
|
|
|
|
if (searchLayer_md0 != null) searchLayer_md0.destroy();
|
|
|
|
|
if (searchLayer_co0 != null) searchLayer_co0.destroy();
|
|
|
|
|
var center = map.getCenter().transform(new OpenLayers.Projection("EPSG:900913"), new OpenLayers.Projection("EPSG:4326"));
|
|
|
|
|
var extend = map.getExtent().transform(new OpenLayers.Projection("EPSG:900913"), new OpenLayers.Projection("EPSG:4326"));
|
|
|
|
|
var radius = Math.sqrt(extend.getWidth() * extend.getWidth() + extend.getHeight() * extend.getHeight()) / 2;
|
|
|
|
|
radius = Math.floor(radius * kmNormal + 1) / kmNormal;
|
|
|
|
|
var lon = Math.floor(center.lon * meterNormal) / meterNormal;
|
|
|
|
|
var lat = Math.floor(center.lat * meterNormal) / meterNormal;
|
|
|
|
|
poisxml = path_mdsearch + query + '&lon=' + lon + '&lat=' + lat + '&r=' + radius + '&z=' + map.getZoom();
|
|
|
|
|
searchLayer_co0 = new OpenLayers.Layer.GeoRSS('Communities', path_losearch + query + '&lon=' + lon + '&lat=' + lat + '&r=' + radius + '&z=' + map.getZoom(), {'icon':marker_co});
|
|
|
|
|
searchLayer_md0 = new OpenLayers.Layer.GeoRSS('Point Of Interest', poisxml, {'icon':marker_md});
|
|
|
|
|
map.addLayer(searchLayer_co0);
|
|
|
|
|
map.addLayer(searchLayer_md0);
|
|
|
|
|
//document.getElementById('apilink').setAttribute('href', 'yacysearch_location.rss?query=' + query);
|
|
|
|
|
poisfound = 0;
|
|
|
|
|
document.getElementById('resultline').innerHTML = "";
|
|
|
|
|
document.getElementById('query').select();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function refresh() {
|
|
|
|
|
// check double-buffer state
|
|
|
|
|
if (searchLayer_md0 != null) {
|
|
|
|
|
// switch the double-buffer
|
|
|
|
|
if (searchLayer_md1 != null) searchLayer_md1.destroy();
|
|
|
|
|
if (searchLayer_co1 != null) searchLayer_co1.destroy();
|
|
|
|
|
searchLayer_md1 = searchLayer_md0;
|
|
|
|
|
searchLayer_co1 = searchLayer_co0;
|
|
|
|
|
searchLayer_md0 = null;
|
|
|
|
|
searchLayer_co0 = null;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// check if we need to do something
|
|
|
|
|
if (searchLayer_co1 == null || searchLayer_md1 == null) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
var cocount = searchLayer_co1.markers.length;
|
|
|
|
|
var mdcount = searchLayer_md1.markers.length;
|
|
|
|
|
//if (mdcount + cocount <= poisfound) {
|
|
|
|
|
// return;
|
|
|
|
|
//}
|
|
|
|
|
|
|
|
|
|
// update map and result line
|
|
|
|
|
poisfound = mdcount;
|
|
|
|
|
document.getElementById('resultline').innerHTML = (poisfound == 0) ? "" : poisfound + " <a href=\"" + poisxml + "\">POIs</a> found in region";
|
|
|
|
|
|
|
|
|
|
// check if any of the markers is visible on the screen.
|
|
|
|
|
// this is only necessary if shallZoom = false since this would set shallZoom = true
|
|
|
|
|
var bounds = searchLayer_md1.getDataExtent();
|
|
|
|
|
if (bounds == null) bounds = searchLayer_co1.getDataExtent();
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
if (!shallZoom) {
|
|
|
|
|
// check all markers
|
|
|
|
|
//if (!bounds.intersectsBounds(map.getExtent())) shallZoom = true;
|
|
|
|
|
var anyInScreen = false;
|
|
|
|
|
var mapbounds = map.getExtent();
|
|
|
|
|
//alert(searchLayer_md1.markers.length + " markers");
|
|
|
|
|
for (var marker in searchLayer_md1.markers) {
|
|
|
|
|
if (marker.lonlat != null && mapbounds.containsLonLat(marker.lonlat, {})) {anyInScreen = true; break;}
|
|
|
|
|
}
|
|
|
|
|
if (!anyInScreen) shallZoom = true;
|
|
|
|
|
}
|
|
|
|
|
*/
|
|
|
|
|
// zoom to layer bounds
|
|
|
|
|
if (shallZoom && bounds != null) {
|
|
|
|
|
map.panTo(bounds.getCenterLonLat());
|
|
|
|
|
map.zoomTo(map.getZoomForExtent(bounds));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
</script>
|
|
|
|
|
|
|
|
|
|
</head>
|
|
|
|
|
<body id="yacysearch_location" onload="init(); #(initsearch)#::search();#(/initsearch)#">
|
|
|
|
|
#(topmenu)#
|
|
|
|
|
#%env/templates/embeddedSearchHeader.template%#
|
|
|
|
|
::
|
|
|
|
|
#%env/templates/simpleSearchHeader.template%#
|
|
|
|
|
#(/topmenu)#
|
|
|
|
|
<div id="api" style="top:58px;">
|
|
|
|
|
<a href="yacysearch_location.rss" id="apilink"><img src="env/grafics/api.png" width="60" height="40" alt="API"/></a>
|
|
|
|
|
<script type="text/javascript">
|
|
|
|
|
//<![CDATA[
|
|
|
|
|
document.getElementById('apilink').setAttribute('href', 'yacysearch_location.rss?dom=metatag|alltext&' + window.location.search.substring(1));
|
|
|
|
|
//]]>
|
|
|
|
|
</script>
|
|
|
|
|
<span>The information that is presented on this page can also be retrieved as XML
|
|
|
|
|
Click the API icon to see the XML.
|
|
|
|
|
To see a list of all APIs, please visit the <a href="https://wiki.yacy.net/index.php/Dev:API" target="_blank">API wiki page</a>.</span>
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<div class="row">
|
|
|
|
|
<div class="col-sm-8 col-sm-offset-4 col-md-9 col-md-offset-3 main">
|
|
|
|
|
#(topmenu)#
|
|
|
|
|
<form class="search small" name="searchform" method="get" accept-charset="UTF-8" style="position:fixed;top:8px;z-index:1052;">
|
|
|
|
|
::
|
|
|
|
|
<form class="search small col-xs-9 col-sm-5 col-lg-5" name="searchform" method="get" accept-charset="UTF-8" style="position:fixed;top:8px;z-index:1052;">
|
|
|
|
|
#(/topmenu)#
|
|
|
|
|
<div class="input-group" style="max-width:445px;">
|
|
|
|
|
<input type="text" class="form-control searchinput typeahead" value="#(initsearch)#::#[query]##(/initsearch)#" id="query" size="42" autofocus="autofocus" onFocus="this.select()" />
|
|
|
|
|
<div class="input-group-btn">
|
|
|
|
|
<button id="Enter" class="btn btn-default" type="submit" onclick="search(); return false;" value="search" onsubmit="search(); return false;">search</button>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
<div id="resultline"></div>
|
|
|
|
|
</form>
|
|
|
|
|
</div> <!-- close sidebar -->
|
|
|
|
|
</div> <!-- close row -->
|
|
|
|
|
<div id="map" style="clear:both; width:100%; height:720px"></div>
|
|
|
|
|
<script type="text/javascript">
|
|
|
|
|
adaptHeight();
|
|
|
|
|
</script>
|
|
|
|
|
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
