1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.plugins.photoadjust;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
5 |
|
---|
6 | import java.awt.Cursor;
|
---|
7 | import java.awt.event.KeyEvent;
|
---|
8 | import java.awt.event.MouseAdapter;
|
---|
9 | import java.awt.event.MouseEvent;
|
---|
10 | import java.awt.event.MouseMotionAdapter;
|
---|
11 | import java.util.ArrayList;
|
---|
12 | import java.util.Iterator;
|
---|
13 | import java.util.List;
|
---|
14 |
|
---|
15 | import org.openstreetmap.josm.actions.mapmode.MapMode;
|
---|
16 | import org.openstreetmap.josm.gui.IconToggleButton;
|
---|
17 | import org.openstreetmap.josm.gui.MainApplication;
|
---|
18 | import org.openstreetmap.josm.gui.MapFrame;
|
---|
19 | import org.openstreetmap.josm.gui.layer.Layer;
|
---|
20 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerAddEvent;
|
---|
21 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerChangeListener;
|
---|
22 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerOrderChangeEvent;
|
---|
23 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerRemoveEvent;
|
---|
24 | import org.openstreetmap.josm.gui.layer.MainLayerManager;
|
---|
25 | import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeEvent;
|
---|
26 | import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeListener;
|
---|
27 | import org.openstreetmap.josm.gui.layer.geoimage.GeoImageLayer;
|
---|
28 | import org.openstreetmap.josm.tools.Shortcut;
|
---|
29 |
|
---|
30 | /**
|
---|
31 | * Map mode version of the plug-in. The associated button is shown
|
---|
32 | * only if there is at least one GeoImageLayer. Otherwise the button
|
---|
33 | * is hidden to make room for other buttons. This map mode is
|
---|
34 | * inactive if the active layer is a GeoImageLayer as the main plug-in
|
---|
35 | * handles it.
|
---|
36 | */
|
---|
37 | public class PhotoAdjustMapMode extends MapMode implements LayerChangeListener, ActiveLayerChangeListener {
|
---|
38 |
|
---|
39 | /** True if this map mode waits for mouse events. */
|
---|
40 | private boolean modeActive = false;
|
---|
41 | /** True if the map mode button is selected and active. */
|
---|
42 | private boolean modeSelected = false;
|
---|
43 | private MouseAdapter mouseAdapter;
|
---|
44 | private MouseMotionAdapter mouseMotionAdapter;
|
---|
45 | private IconToggleButton mmButton;
|
---|
46 | private final PhotoAdjustWorker worker;
|
---|
47 | /** True if one existing GeoImageLayer is to be ignored. */
|
---|
48 | private boolean ignoreOneGILayer = false;
|
---|
49 |
|
---|
50 | /**
|
---|
51 | * Initialize photo adjust map mode.
|
---|
52 | *
|
---|
53 | * @param worker Worker that does the actual work.
|
---|
54 | */
|
---|
55 | public PhotoAdjustMapMode(PhotoAdjustWorker worker) {
|
---|
56 | super(tr("Adjust photos"), "photoadjust.png",
|
---|
57 | tr("Move and position photos"),
|
---|
58 | // It is almost impossible to find an unused shortcut.
|
---|
59 | Shortcut.registerShortcut("mapmode:photoadjust",
|
---|
60 | tr("Mode: {0}", tr("Adjust photos")),
|
---|
61 | KeyEvent.CHAR_UNDEFINED, Shortcut.NONE),
|
---|
62 | Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
|
---|
63 | GeoImageLayer.registerSupportedMapMode(this);
|
---|
64 | initAdapters();
|
---|
65 | this.worker = worker;
|
---|
66 | MainApplication.getLayerManager().addLayerChangeListener(this);
|
---|
67 | MainApplication.getLayerManager().addActiveLayerChangeListener(this);
|
---|
68 | }
|
---|
69 |
|
---|
70 | /**
|
---|
71 | * The main plugin does nothing but to call this method, which
|
---|
72 | * connects this map mode with a button that is registered as map
|
---|
73 | * mode.
|
---|
74 | *
|
---|
75 | * @param mapFrame Map frame the map mode button is added to.
|
---|
76 | */
|
---|
77 | public void installMapMode(MapFrame mapFrame) {
|
---|
78 | mmButton = new IconToggleButton(this);
|
---|
79 | mmButton.setAutoHideDisabledButton(true);
|
---|
80 | mapFrame.addMapMode(mmButton);
|
---|
81 | }
|
---|
82 |
|
---|
83 | @Override
|
---|
84 | public String getModeHelpText() {
|
---|
85 | if (hasLayersToAdjust()) {
|
---|
86 | return tr("Click+drag photo, control+alt+click to position photo, control+click to set direction.");
|
---|
87 | } else {
|
---|
88 | return tr("Please load some photos.");
|
---|
89 | }
|
---|
90 | }
|
---|
91 |
|
---|
92 | @Override
|
---|
93 | public boolean layerIsSupported(Layer layer) {
|
---|
94 | return hasLayersToAdjust();
|
---|
95 | }
|
---|
96 |
|
---|
97 | @Override
|
---|
98 | protected void updateEnabledState() {
|
---|
99 | setEnabled(hasLayersToAdjust());
|
---|
100 | }
|
---|
101 |
|
---|
102 | /**
|
---|
103 | * Update the button state. We do this more frequently than the
|
---|
104 | * JOSM core would do it.
|
---|
105 | */
|
---|
106 | public void updateButtonState() {
|
---|
107 | if (mmButton != null) {
|
---|
108 | final boolean enabled = hasLayersToAdjust();
|
---|
109 | setEnabled(enabled);
|
---|
110 | if (enabled) {
|
---|
111 | mmButton.showButton();
|
---|
112 | } else {
|
---|
113 | mmButton.hideButton();
|
---|
114 | }
|
---|
115 | }
|
---|
116 | }
|
---|
117 |
|
---|
118 | /**
|
---|
119 | * Activate the map mode, i.e. wait for mouse events.
|
---|
120 | */
|
---|
121 | private void activateMode() {
|
---|
122 | if (modeSelected && !modeActive) {
|
---|
123 | MainApplication.getMap().mapView.addMouseListener(mouseAdapter);
|
---|
124 | MainApplication.getMap().mapView.addMouseMotionListener(mouseMotionAdapter);
|
---|
125 | modeActive = true;
|
---|
126 | updateStatusLine();
|
---|
127 | }
|
---|
128 | }
|
---|
129 |
|
---|
130 | /**
|
---|
131 | * Deactivate map mode.
|
---|
132 | */
|
---|
133 | private void deactivateMode() {
|
---|
134 | if (modeActive) {
|
---|
135 | MainApplication.getMap().mapView.removeMouseListener(mouseAdapter);
|
---|
136 | MainApplication.getMap().mapView.removeMouseMotionListener(mouseMotionAdapter);
|
---|
137 | modeActive = false;
|
---|
138 | }
|
---|
139 | }
|
---|
140 |
|
---|
141 | @Override
|
---|
142 | public void enterMode() {
|
---|
143 | super.enterMode();
|
---|
144 | modeSelected = true;
|
---|
145 | // Activate the mode only if the current layer is not a GeoImageLayer.
|
---|
146 | // GeoImageLayer's are handled by the plug-in directly.
|
---|
147 | if (!(MainApplication.getLayerManager().getActiveLayer() instanceof GeoImageLayer)) {
|
---|
148 | activateMode();
|
---|
149 | }
|
---|
150 | }
|
---|
151 |
|
---|
152 | @Override
|
---|
153 | public void exitMode() {
|
---|
154 | super.exitMode();
|
---|
155 | deactivateMode();
|
---|
156 | modeSelected = false;
|
---|
157 | }
|
---|
158 |
|
---|
159 | @Override
|
---|
160 | public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) {
|
---|
161 | // The main part of the plugin takes care of all operations if a GeoImageLayer is active.
|
---|
162 | if (MainApplication.getLayerManager().getActiveLayer() instanceof GeoImageLayer) {
|
---|
163 | deactivateMode();
|
---|
164 | } else {
|
---|
165 | activateMode();
|
---|
166 | }
|
---|
167 | }
|
---|
168 |
|
---|
169 | @Override
|
---|
170 | public void layerAdded(LayerAddEvent e) {
|
---|
171 | if (modeActive) updateStatusLine();
|
---|
172 | updateButtonState();
|
---|
173 | }
|
---|
174 |
|
---|
175 | @Override
|
---|
176 | public void layerRemoving(LayerRemoveEvent lre) {
|
---|
177 | if (lre.getRemovedLayer() instanceof GeoImageLayer) {
|
---|
178 | // A GeoImageLayer is about to be removed. We ignore this layer
|
---|
179 | // in the following update methods to get the correct number of
|
---|
180 | // future GeoImageLayers.
|
---|
181 | ignoreOneGILayer = true;
|
---|
182 | }
|
---|
183 | if (modeActive) updateStatusLine();
|
---|
184 | updateButtonState();
|
---|
185 | ignoreOneGILayer = false;
|
---|
186 | }
|
---|
187 |
|
---|
188 | @Override
|
---|
189 | public void layerOrderChanged(LayerOrderChangeEvent e) {
|
---|
190 | // Nothing to do at layer order change.
|
---|
191 | }
|
---|
192 |
|
---|
193 | /**
|
---|
194 | * Create mouse adapters similar to the main plug-in.
|
---|
195 | */
|
---|
196 | private void initAdapters() {
|
---|
197 | // The MapMode implements a MouseAdapter and a
|
---|
198 | // MouseMotionAdapter, but we cannot use them because they get
|
---|
199 | // activated with the first layer that is created. This is
|
---|
200 | // not what we want, we want to activate them if this map mode
|
---|
201 | // gets activated.
|
---|
202 | mouseAdapter = new MouseAdapter() {
|
---|
203 | @Override
|
---|
204 | public void mousePressed(MouseEvent evt) {
|
---|
205 | worker.doMousePressed(evt, getVisibleGeoImageLayers());
|
---|
206 | }
|
---|
207 |
|
---|
208 | @Override
|
---|
209 | public void mouseReleased(MouseEvent evt) {
|
---|
210 | worker.doMouseReleased(evt);
|
---|
211 | }
|
---|
212 | };
|
---|
213 |
|
---|
214 | mouseMotionAdapter = new MouseMotionAdapter() {
|
---|
215 | @Override
|
---|
216 | public void mouseDragged(MouseEvent evt) {
|
---|
217 | worker.doMouseDragged(evt);
|
---|
218 | }
|
---|
219 | };
|
---|
220 | }
|
---|
221 |
|
---|
222 | /**
|
---|
223 | * Replies true if there is at least one geo image layer.
|
---|
224 | *
|
---|
225 | * @return {@code true} if there is at least one geo image layer
|
---|
226 | */
|
---|
227 | private boolean hasLayersToAdjust() {
|
---|
228 | final MainLayerManager layerManager = MainApplication.getLayerManager();
|
---|
229 | if (layerManager == null) return false;
|
---|
230 | int giLayerNum = layerManager.getLayersOfType(GeoImageLayer.class).size();
|
---|
231 | if (ignoreOneGILayer) {
|
---|
232 | giLayerNum--;
|
---|
233 | }
|
---|
234 | return giLayerNum > 0;
|
---|
235 | }
|
---|
236 |
|
---|
237 | /**
|
---|
238 | * Prepare list of visible GeoImageLayer's whose photos can be adjusted.
|
---|
239 | *
|
---|
240 | * @return list of visible GeoImageLayer's
|
---|
241 | */
|
---|
242 | private static List<GeoImageLayer> getVisibleGeoImageLayers() {
|
---|
243 | List<GeoImageLayer> all = new ArrayList<>(MainApplication.getLayerManager().getLayersOfType(GeoImageLayer.class));
|
---|
244 | Iterator<GeoImageLayer> it = all.iterator();
|
---|
245 | while (it.hasNext()) {
|
---|
246 | if (!it.next().isVisible()) it.remove();
|
---|
247 | }
|
---|
248 | return all;
|
---|
249 | }
|
---|
250 |
|
---|
251 |
|
---|
252 | @Override
|
---|
253 | public void destroy() {
|
---|
254 | super.destroy();
|
---|
255 | MainApplication.getLayerManager().removeActiveLayerChangeListener(this);
|
---|
256 | MainApplication.getLayerManager().removeLayerChangeListener(this);
|
---|
257 | }
|
---|
258 |
|
---|
259 | }
|
---|