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Refactor GeoRSS Layer to support 'real' GeoRSS :) (geo:lat, geo:lon).

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@783 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
2006-06-27 04:04:41 +00:00
parent d7bb634cce
commit 067bbb5d75
2 changed files with 18 additions and 11 deletions
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examples/georss.html
+2 -1
View File
@@ -14,13 +14,14 @@
var map, layer; var map, layer;
function init(){ function init(){
OpenLayers.ProxyHost = '/proxy/';
map = new OpenLayers.Map('map', {maxResolution:'auto'}); map = new OpenLayers.Map('map', {maxResolution:'auto'});
layer = new OpenLayers.Layer.WMS( "OpenLayers WMS", layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} ); "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );
map.addLayer(layer); map.addLayer(layer);
var newl = new OpenLayers.Layer.GeoRSS( "text", "./georss.xml" ); var newl = new OpenLayers.Layer.GeoRSS( "text", "http://earthquake.usgs.gov/eqcenter/recenteqsww/catalogs/eqs7day-M2.5.xml" );
map.addLayer(newl); map.addLayer(newl);
map.setCenter(new OpenLayers.LonLat(0, 0), 0); map.setCenter(new OpenLayers.LonLat(0, 0), 0);
lib/OpenLayers/Layer/GeoRSS.js
+16 -10
View File
@@ -30,8 +30,7 @@ OpenLayers.Layer.GeoRSS.prototype =
OpenLayers.Layer.Markers.prototype.initialize.apply(this, [name]); OpenLayers.Layer.Markers.prototype.initialize.apply(this, [name]);
this.location = location; this.location = location;
this.features = new Array(); this.features = new Array();
new Ajax.Request(location, OpenLayers.loadURL(location, null, this, this.parseData);
{ method: 'get', onComplete:this.parseData.bind(this) } );
}, },
/** /**
@@ -59,18 +58,25 @@ OpenLayers.Layer.GeoRSS.prototype =
if (!doc || ajaxRequest.fileType!="XML") { if (!doc || ajaxRequest.fileType!="XML") {
doc = OpenLayers.parseXMLString(ajaxRequest.responseText); doc = OpenLayers.parseXMLString(ajaxRequest.responseText);
} }
var pointlist = doc.getElementsByTagName('point'); var itemlist = doc.getElementsByTagName('item');
for (var i = 0; i < pointlist.length; i++) { for (var i = 0; i < itemlist.length; i++) {
var data = {}; var data = {};
var location = pointlist[i].firstChild.nodeValue.split(" "); var point = OpenLayers.Util.getNodes(itemlist[i], 'georss:point');
if (location.length != 2) var lat = OpenLayers.Util.getNodes(itemlist[i], 'geo:lat');
var lon = OpenLayers.Util.getNodes(itemlist[i], 'geo:long');
if (point.length > 0) {
var location = point[0].firstChild.nodeValue.split(" ");
} else if (lat.length > 0 && lon.length > 0) {
var location = [parseFloat(lat[0].firstChild.nodeValue), parseFloat(lon[0].firstChild.nodeValue)];
} else {
continue; continue;
}
location = new OpenLayers.LonLat(parseFloat(location[1]), parseFloat(location[0])); location = new OpenLayers.LonLat(parseFloat(location[1]), parseFloat(location[0]));
var title = OpenLayers.Util.getNodes(pointlist[i].parentNode, "title")[0].firstChild.nodeValue; var title = OpenLayers.Util.getNodes(itemlist[i], "title")[0].firstChild.nodeValue;
var description = OpenLayers.Util.getNodes(pointlist[i].parentNode, "description")[0].firstChild.nodeValue; var description = OpenLayers.Util.getNodes(itemlist[i], "description")[0].firstChild.nodeValue;
try { var link = OpenLayers.Util.getNodes(pointlist[i].parentNode, "link")[0].firstChild.nodeValue; } catch (e) { } try { var link = OpenLayers.Util.getNodes(itemlist[i], "link")[0].firstChild.nodeValue; } catch (e) { }
data.icon = OpenLayers.Marker.defaultIcon(); data.icon = OpenLayers.Marker.defaultIcon();
data.popupSize = new OpenLayers.Size(250, 200); data.popupSize = new OpenLayers.Size(250, 100);
if ((title != null) && (description != null)) { if ((title != null) && (description != null)) {
contentHTML = "<br />"; contentHTML = "<br />";
contentHTML += "<div style='margin: -0.5em 0.5em 0.5em 0.5em'>" contentHTML += "<div style='margin: -0.5em 0.5em 0.5em 0.5em'>"