source: josm/trunk/src/org/openstreetmap/josm/gui/ImageryMenu.java@ 5903

Last change on this file since 5903 was 5807, checked in by akks, 11 years ago

see #8552: Move Imagery offset action to the top of Imagery menu
File size: 9.2 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5import static org.openstreetmap.josm.tools.I18n.trc;
6
7import java.awt.Component;
8import java.awt.MenuComponent;
9import java.awt.Toolkit;
10import java.awt.event.ActionEvent;
11import java.util.ArrayList;
12import java.util.HashSet;
13import java.util.Iterator;
14import java.util.List;
15import java.util.Set;
16
17import javax.swing.Action;
18import javax.swing.JComponent;
19import javax.swing.JMenu;
20import javax.swing.JMenuItem;
21import javax.swing.JPopupMenu;
22import javax.swing.MenuElement;
23import javax.swing.event.MenuEvent;
24import javax.swing.event.MenuListener;
25
26import org.openstreetmap.josm.Main;
27import org.openstreetmap.josm.actions.AddImageryLayerAction;
28import org.openstreetmap.josm.actions.JosmAction;
29import org.openstreetmap.josm.actions.Map_Rectifier_WMSmenuAction;
30import org.openstreetmap.josm.data.coor.LatLon;
31import org.openstreetmap.josm.data.imagery.ImageryInfo;
32import org.openstreetmap.josm.data.imagery.ImageryLayerInfo;
33import org.openstreetmap.josm.data.imagery.Shape;
34import org.openstreetmap.josm.gui.layer.ImageryLayer;
35import org.openstreetmap.josm.gui.layer.Layer;
36import org.openstreetmap.josm.gui.preferences.imagery.ImageryPreference;
37import org.openstreetmap.josm.tools.ImageProvider;
38
39public class ImageryMenu extends JMenu implements MapView.LayerChangeListener {
40
41 private Action offsetAction = new JosmAction(
42 tr("Imagery offset"), "mapmode/adjustimg", tr("Adjust imagery offset"), null, false, false) {
43 {
44 putValue("toolbar", "imagery-offset");
45 Main.toolbar.register(this);
46 }
47 @Override
48 public void actionPerformed(ActionEvent e) {
49 List<ImageryLayer> layers = Main.map.mapView.getLayersOfType(ImageryLayer.class);
50 if (layers.isEmpty()) {
51 setEnabled(false);
52 return;
53 }
54 Component source = null;
55 if (e.getSource() instanceof Component) {
56 source = (Component)e.getSource();
57 }
58 JPopupMenu popup = new JPopupMenu();
59 if (layers.size() == 1) {
60 JComponent c = layers.get(0).getOffsetMenuItem(popup);
61 if (c instanceof JMenuItem) {
62 ((JMenuItem) c).getAction().actionPerformed(e);
63 } else {
64 if (source == null) return;
65 popup.show(source, source.getWidth()/2, source.getHeight()/2);
66 }
67 return;
68 }
69 if (source == null) return;
70 for (ImageryLayer layer : layers) {
71 JMenuItem layerMenu = layer.getOffsetMenuItem();
72 layerMenu.setText(layer.getName());
73 layerMenu.setIcon(layer.getIcon());
74 popup.add(layerMenu);
75 }
76 popup.show(source, source.getWidth()/2, source.getHeight()/2);
77 }
78 };
79
80 private JMenuItem singleOffset = new JMenuItem(offsetAction);
81 private JMenuItem offsetMenuItem = singleOffset;
82 private Map_Rectifier_WMSmenuAction rectaction = new Map_Rectifier_WMSmenuAction();
83
84 public ImageryMenu() {
85 super(tr("Imagery"));
86 setupMenuScroller();
87 MapView.addLayerChangeListener(this);
88 // build dynamically
89 addMenuListener(new MenuListener() {
90 @Override
91 public void menuSelected(MenuEvent e) {
92 refreshImageryMenu();
93 }
94
95 @Override
96 public void menuDeselected(MenuEvent e) {
97 }
98
99 @Override
100 public void menuCanceled(MenuEvent e) {
101 }
102 });
103 }
104
105 private void setupMenuScroller() {
106 int screenHeight = Toolkit.getDefaultToolkit().getScreenSize().height;
107 int menuItemHeight = singleOffset.getPreferredSize().height;
108 MenuScroller.setScrollerFor(this, (screenHeight / menuItemHeight)-1);
109 }
110
111 /**
112 * Refresh imagery menu.
113 *
114 * Outside this class only called in {@link ImageryPreference#initialize()}.
115 * (In order to have actions ready for the toolbar, see #8446.)
116 */
117 public void refreshImageryMenu() {
118 removeDynamicItems();
119
120 addDynamic(offsetMenuItem);
121 addDynamicSeparator();
122
123 // for each configured ImageryInfo, add a menu entry.
124 for (final ImageryInfo u : ImageryLayerInfo.instance.getLayers()) {
125 addDynamic(new AddImageryLayerAction(u));
126 }
127
128 // list all imagery entries where the current map location
129 // is within the imagery bounds
130 if (Main.isDisplayingMapView()) {
131 MapView mv = Main.map.mapView;
132 LatLon pos = mv.getProjection().eastNorth2latlon(mv.getCenter());
133 final Set<ImageryInfo> inViewLayers = new HashSet<ImageryInfo>();
134
135 for (ImageryInfo i : ImageryLayerInfo.instance.getDefaultLayers()) {
136 if (i.getBounds() != null && i.getBounds().contains(pos)) {
137 inViewLayers.add(i);
138 }
139 }
140 // Do not suggest layers already in use
141 inViewLayers.removeAll(ImageryLayerInfo.instance.getLayers());
142 // For layers containing complex shapes, check that center is in one
143 // of its shapes (fix #7910)
144 for (Iterator<ImageryInfo> iti = inViewLayers.iterator(); iti.hasNext(); ) {
145 List<Shape> shapes = iti.next().getBounds().getShapes();
146 if (shapes != null && !shapes.isEmpty()) {
147 boolean found = false;
148 for (Iterator<Shape> its = shapes.iterator(); its.hasNext() && !found; ) {
149 found = its.next().contains(pos);
150 }
151 if (!found) {
152 iti.remove();
153 }
154 }
155 }
156 if (!inViewLayers.isEmpty()) {
157 addDynamicSeparator();
158 for (ImageryInfo i : inViewLayers) {
159 addDynamic(new AddImageryLayerAction(i));
160 }
161 }
162 }
163
164 addDynamicSeparator();
165 addDynamic(rectaction);
166 }
167
168 private JMenuItem getNewOffsetMenu(){
169 if (Main.map == null || Main.map.mapView == null) {
170 offsetAction.setEnabled(false);
171 return singleOffset;
172 }
173 List<ImageryLayer> layers = Main.map.mapView.getLayersOfType(ImageryLayer.class);
174 if (layers.isEmpty()) {
175 offsetAction.setEnabled(false);
176 return singleOffset;
177 }
178 offsetAction.setEnabled(true);
179 JMenu newMenu = new JMenu(trc("layer","Offset")) {
180 // Hack to prevent ToolbarPreference from tracing this menu
181 // TODO: Modify ToolbarPreference to not to trace such dynamic submenus?
182 @Override
183 public MenuElement[] getSubElements() {
184 return new MenuElement[0];
185 }
186 };
187 newMenu.setIcon(ImageProvider.get("mapmode", "adjustimg"));
188 newMenu.setAction(offsetAction);
189 if (layers.size() == 1)
190 return (JMenuItem)layers.get(0).getOffsetMenuItem(newMenu);
191 for (ImageryLayer layer : layers) {
192 JMenuItem layerMenu = layer.getOffsetMenuItem();
193 layerMenu.setText(layer.getName());
194 layerMenu.setIcon(layer.getIcon());
195 newMenu.add(layerMenu);
196 }
197 return newMenu;
198 }
199
200 public void refreshOffsetMenu() {
201 offsetMenuItem = getNewOffsetMenu();
202 }
203
204 @Override
205 public void activeLayerChange(Layer oldLayer, Layer newLayer) {
206 }
207
208 @Override
209 public void layerAdded(Layer newLayer) {
210 if (newLayer instanceof ImageryLayer) {
211 refreshOffsetMenu();
212 }
213 }
214
215 @Override
216 public void layerRemoved(Layer oldLayer) {
217 if (oldLayer instanceof ImageryLayer) {
218 refreshOffsetMenu();
219 }
220 }
221
222 /**
223 * Collection to store temporary menu items. They will be deleted
224 * (and possibly recreated) when refreshImageryMenu() is called.
225 * @since 5803
226 */
227 private List <Object> dynamicItems = new ArrayList<Object>(20);
228
229 /**
230 * Remove all the items in @field dynamicItems collection
231 * @since 5803
232 */
233 private void removeDynamicItems() {
234 for (Object item : dynamicItems) {
235 if (item instanceof JMenuItem) {
236 remove((JMenuItem)item);
237 }
238 if (item instanceof MenuComponent) {
239 remove((MenuComponent)item);
240 }
241 if (item instanceof Component) {
242 remove((Component)item);
243 }
244 }
245 dynamicItems.clear();
246 }
247
248 private void addDynamicSeparator() {
249 JPopupMenu.Separator s = new JPopupMenu.Separator();
250 dynamicItems.add(s);
251 add(s);
252 }
253
254 private void addDynamic(Action a) {
255 dynamicItems.add( this.add(a) );
256 }
257
258 private void addDynamic(JMenuItem it) {
259 dynamicItems.add( this.add(it) );
260 }
261}
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