/*
* Copyright (C) 2010- Peer internet solutions
*
* This file is part of mixare.
*
* 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/>
*/
package org.mixare.data;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Hashtable;
import java.util.List;
import org.mixare.MixContext;
import org.mixare.MixView;
import org.mixare.lib.marker.Marker;
import android.location.Location;
import android.util.Log;
/**
* DataHandler is the model which provides the Marker Objects with its data.
*
* DataHandler is also the Factory for new Marker objects.
*/
public class DataHandler {
// complete marker list
private List<Marker> markerList = new ArrayList<Marker>();
public void addMarkers(List<Marker> markers) {
Log.v(MixView.TAG, "Marker before: "+markerList.size());
for(Marker ma:markers) {
if(!markerList.contains(ma))
markerList.add(ma);
}
Log.d(MixView.TAG, "Marker count: "+markerList.size());
}
public void sortMarkerList() {
Collections.sort(markerList);
}
public void updateDistances(Location location) {
for(Marker ma: markerList) {
float[] dist=new float[3];
Location.distanceBetween(ma.getLatitude(), ma.getLongitude(), location.getLatitude(), location.getLongitude(), dist);
ma.setDistance(dist[0]);
}
}
public void updateActivationStatus(MixContext mixContext) {
Hashtable<Class, Integer> map = new Hashtable<Class, Integer>();
for(Marker ma: markerList) {
Class<? extends Marker> mClass=ma.getClass();
map.put(mClass, (map.get(mClass)!=null)?map.get(mClass)+1:1);
boolean belowMax = (map.get(mClass) <= ma.getMaxObjects());
//boolean dataSourceSelected = mixContext.isDataSourceSelected(ma.getDatasource());
ma.setActive((belowMax));
}
}
public void onLocationChanged(Location location) {
updateDistances(location);
sortMarkerList();
for(Marker ma: markerList) {
ma.update(location);
}
}
/**
* @deprecated Nobody should get direct access to the list
*/
public List<Marker> getMarkerList() {
return markerList;
}
/**
* @deprecated Nobody should get direct access to the list
*/
public void setMarkerList(List<Marker> markerList) {
this.markerList = markerList;
}
public int getMarkerCount() {
return markerList.size();
}
public Marker getMarker(int index) {
return markerList.get(index);
}
}