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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
package cgeo.geocaching.mapsforge;
import org.mapsforge.android.maps.GeoPoint;
import org.mapsforge.android.maps.MapDatabase;
import org.mapsforge.android.maps.MapView;
import org.mapsforge.android.maps.MapViewMode;
import org.mapsforge.android.maps.Overlay;
import org.mapsforge.android.maps.Projection;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import cgeo.geocaching.cgSettings;
import cgeo.geocaching.mapcommon.cgMapOverlay;
import cgeo.geocaching.mapcommon.cgUsersOverlay;
import cgeo.geocaching.mapinterfaces.GeoPointImpl;
import cgeo.geocaching.mapinterfaces.MapControllerImpl;
import cgeo.geocaching.mapinterfaces.MapProjectionImpl;
import cgeo.geocaching.mapinterfaces.MapViewImpl;
import cgeo.geocaching.mapinterfaces.OverlayImpl;
public class mfMapView extends MapView implements MapViewImpl {
public mfMapView(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
public void draw(Canvas canvas) {
try {
if (getMapZoomLevel() >= 22) { // to avoid too close zoom level (mostly on Samsung Galaxy S series)
getController().setZoom(22);
}
super.draw(canvas);
} catch (Exception e) {
Log.e(cgSettings.tag, "cgMapView.draw: " + e.toString());
}
}
@Override
public void displayZoomControls(boolean takeFocus) {
// nothing to do here
}
@Override
public MapControllerImpl getMapController() {
return new mfMapController(getController());
}
@Override
public GeoPointImpl getMapViewCenter() {
GeoPoint point = getMapCenter();
return new mfGeoPoint(point.getLatitudeE6(), point.getLongitudeE6());
}
@Override
public void addOverlay(OverlayImpl ovl) {
getOverlays().add((Overlay)ovl);
}
@Override
public void clearOverlays() {
getOverlays().clear();
}
@Override
public MapProjectionImpl getMapProjection() {
return new mfMapProjection(getProjection());
}
@Override
public cgMapOverlay createAddMapOverlay(cgSettings settings,
Context context, Drawable drawable, boolean fromDetailIntent) {
mfCacheOverlay ovl = new mfCacheOverlay(settings, context, drawable, fromDetailIntent);
getOverlays().add(ovl);
return ovl.getBase();
}
@Override
public cgUsersOverlay createAddUsersOverlay(Context context, Drawable markerIn) {
mfUsersOverlay ovl = new mfUsersOverlay(context, markerIn);
getOverlays().add(ovl);
return ovl.getBase();
}
@Override
public int getLatitudeSpan() {
Projection projection = getProjection();
GeoPoint low = projection.fromPixels(0, 0);
GeoPoint high = projection.fromPixels(0, getHeight());
return Math.abs(high.getLatitudeE6() - low.getLatitudeE6());
}
@Override
public int getLongitudeSpan() {
Projection projection = getProjection();
GeoPoint low = projection.fromPixels(0, 0);
GeoPoint high = projection.fromPixels(getWidth(), 0);
return Math.abs(high.getLongitudeE6() - low.getLongitudeE6());
}
@Override
public boolean isSatellite() {
return false;
}
@Override
public void preLoad() {
// Nothing to do here
}
@Override
public void setSatellite(boolean b) {
// Nothing to do here
}
@Override
public int getMapZoomLevel() {
return getZoomLevel();
}
@Override
public boolean needsScaleOverlay() {
return false;
}
@Override
public void setBuiltinScale(boolean b) {
setScaleBar(b);
}
/**
* Checks whether a given file is a valid map file.
*
* @param file
* the path to the map file that should be tested.
* @return true if the file is a valid map file, false otherwise.
*/
public static boolean isValidMapFile(String file) {
MapDatabase testDatabase = new MapDatabase();
boolean isValid = testDatabase.openFile(file);
testDatabase.closeFile();
return isValid;
}
@Override
public void setMapSource(cgSettings settings) {
setMapViewMode(MapViewMode.MAPNIK_TILE_DOWNLOAD);
switch(settings.mapProvider) {
case mapsforgeMapnik:
// is default
break;
case mapsforgeOsmarender:
setMapViewMode(MapViewMode.OSMARENDER_TILE_DOWNLOAD);
break;
case mapsforgeOffline:
if (isValidMapFile(settings.getMapFile())) {
setMapViewMode(MapViewMode.CANVAS_RENDERER);
super.setMapFile(settings.getMapFile());
}
}
}
}
|
