1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
* 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);
}
}
|
