Hello!
I am using a javascript plug in which is giving me the coordinates of a
user. After the coordinates are retrieved, i want tapestry to reload a
specific element - my list (which now should show localized entries) What i
have done so far - and what is working - is that my js script is calling my
java function onGetGroupsOnLocation(), taking the JSONArray and writing out
that JSONArray via javascript
document.getElementById("list").innerHTML=list;
BUT this is not what i want. I would prefer that I can reload the area
<t:grid source="list" /> of my tml. So what i am looking for is a way to
update a specific area of my tml, if a tapestry function of my page is
invoked.
I am happy for any help..
public JSONArray onGetGroupsOnLocation(){
Double lat = Double.parseDouble( request.getParameter("lat") );
Double lng = Double.parseDouble( request.getParameter("lng") );
Double radiusInMeters = Double.parseDouble(
request.getParameter("radius")
) / 2;
Geometry location = GeometryService.getPolygon(new
GeoPoint(lat, lng),
radiusInMeters.intValue());
groups = groupService.getGroupsOnLocation(location);
JSONArray jsGroups = new JSONArray();
for(Group group : groups){
JSONObject jsGroup = group.toJSON();
jsGroup.put("lat",
group.getScope().getCentroid().getY());
jsGroup.put("lng",
group.getScope().getCentroid().getX());
jsGroups.put(jsGroup);
}
return jsGroups;
}
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