/*
* Copyright 2013 Anton Tananaev (anton.tananaev@gmail.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.web.client.controller;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.traccar.web.client.Application;
import org.traccar.web.client.view.MapView;
import org.traccar.web.shared.model.Device;
import org.traccar.web.shared.model.Position;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.sencha.gxt.widget.core.client.ContentPanel;
public class MapController implements ContentController, MapView.MapHandler {
private static final int UPDATE_INTERVAL = 15000;
public interface MapHandler {
public void onDeviceSelected(Device device);
public void onArchivePositionSelected(Position position);
}
private MapHandler mapHandler;
private MapView mapView;
public MapController(MapHandler mapHandler) {
this.mapHandler = mapHandler;
mapView = new MapView(this);
}
@Override
public ContentPanel getView() {
return mapView.getView();
}
private Timer updateTimer;
@Override
public void run() {
updateTimer = new Timer() {
@Override
public void run() {
update();
}
};
update();
}
private Map<Long, Position> latestPositionMap = new HashMap<Long, Position>();
public void update() {
updateTimer.cancel();
Application.getDataService().getLatestPositions(new AsyncCallback<List<Position>>() {
@Override
public void onSuccess(List<Position> result) {
mapView.showLatestPositions(result);
for (Position position : result) {
latestPositionMap.put(position.getDevice().getId(), position);
}
for (Map.Entry<Long, PositionUpdateHandler> entry : positionUpdateMap.entrySet()) {
entry.getValue().onUpdate(latestPositionMap.get(entry.getKey()));
}
updateTimer.schedule(UPDATE_INTERVAL);
}
@Override
public void onFailure(Throwable caught) {
updateTimer.schedule(UPDATE_INTERVAL);
}
});
}
public void selectDevice(Device device) {
mapView.selectDevice(device);
}
public void showArchivePositions(List<Position> positions) {
List<Position> sortedPositions = new LinkedList<Position>(positions);
Collections.sort(sortedPositions, new Comparator<Position>() {
@Override
public int compare(Position o1, Position o2) {
return o1.getTime().compareTo(o2.getTime());
}
});
mapView.showArchivePositions(sortedPositions);
}
public void selectArchivePosition(Position position) {
mapView.selectArchivePosition(position);
}
public interface PositionUpdateHandler {
public void onUpdate(Position position);
}
private Map<Long, PositionUpdateHandler> positionUpdateMap = new HashMap<Long, PositionUpdateHandler>();
public void registerPositionUpdate(Device device, PositionUpdateHandler handler) {
positionUpdateMap.put(device.getId(), handler);
handler.onUpdate(latestPositionMap.get(device.getId()));
}
public void unregisterPositionUpdate(Device device) {
positionUpdateMap.remove(device.getId());
}
@Override
public void onPositionSelected(Position position) {
mapHandler.onDeviceSelected(position.getDevice());
}
@Override
public void onArchivePositionSelected(Position position) {
mapHandler.onArchivePositionSelected(position);
}
}