source: josm/trunk/src/org/openstreetmap/josm/gui/ImageryMenu.java@ 7329

Last change on this file since 7329 was 7291, checked in by Don-vip, 10 years ago

fix #10207 - fix menu scroller for multi monitors systems
File size: 9.8 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.GraphicsEnvironment;
9import java.awt.MenuComponent;
10import java.awt.event.ActionEvent;
11import java.util.ArrayList;
12import java.util.Collection;
13import java.util.Iterator;
14import java.util.List;
15import java.util.Set;
16import java.util.TreeSet;
17
18import javax.swing.Action;
19import javax.swing.JComponent;
20import javax.swing.JMenu;
21import javax.swing.JMenuItem;
22import javax.swing.JPopupMenu;
23import javax.swing.MenuElement;
24import javax.swing.event.MenuEvent;
25import javax.swing.event.MenuListener;
26
27import org.openstreetmap.josm.Main;
28import org.openstreetmap.josm.actions.AddImageryLayerAction;
29import org.openstreetmap.josm.actions.JosmAction;
30import org.openstreetmap.josm.actions.MapRectifierWMSmenuAction;
31import org.openstreetmap.josm.data.coor.LatLon;
32import org.openstreetmap.josm.data.imagery.ImageryInfo;
33import org.openstreetmap.josm.data.imagery.ImageryLayerInfo;
34import org.openstreetmap.josm.data.imagery.Shape;
35import org.openstreetmap.josm.gui.layer.ImageryLayer;
36import org.openstreetmap.josm.gui.layer.Layer;
37import org.openstreetmap.josm.gui.preferences.imagery.ImageryPreference;
38import org.openstreetmap.josm.tools.ImageProvider;
39
40public class ImageryMenu extends JMenu implements MapView.LayerChangeListener {
41
42 private Action offsetAction = new JosmAction(
43 tr("Imagery offset"), "mapmode/adjustimg", tr("Adjust imagery offset"), null, false, false) {
44 {
45 putValue("toolbar", "imagery-offset");
46 Main.toolbar.register(this);
47 }
48 @Override
49 public void actionPerformed(ActionEvent e) {
50 Collection<ImageryLayer> layers = Main.map.mapView.getLayersOfType(ImageryLayer.class);
51 if (layers.isEmpty()) {
52 setEnabled(false);
53 return;
54 }
55 Component source = null;
56 if (e.getSource() instanceof Component) {
57 source = (Component)e.getSource();
58 }
59 JPopupMenu popup = new JPopupMenu();
60 if (layers.size() == 1) {
61 JComponent c = layers.iterator().next().getOffsetMenuItem(popup);
62 if (c instanceof JMenuItem) {
63 ((JMenuItem) c).getAction().actionPerformed(e);
64 } else {
65 if (source == null) return;
66 popup.show(source, source.getWidth()/2, source.getHeight()/2);
67 }
68 return;
69 }
70 if (source == null) return;
71 for (ImageryLayer layer : layers) {
72 JMenuItem layerMenu = layer.getOffsetMenuItem();
73 layerMenu.setText(layer.getName());
74 layerMenu.setIcon(layer.getIcon());
75 popup.add(layerMenu);
76 }
77 popup.show(source, source.getWidth()/2, source.getHeight()/2);
78 }
79 };
80
81 private final JMenuItem singleOffset = new JMenuItem(offsetAction);
82 private JMenuItem offsetMenuItem = singleOffset;
83 private final MapRectifierWMSmenuAction rectaction = new MapRectifierWMSmenuAction();
84
85 public ImageryMenu(JMenu subMenu) {
86 super(tr("Imagery"));
87 setupMenuScroller();
88 MapView.addLayerChangeListener(this);
89 // build dynamically
90 addMenuListener(new MenuListener() {
91 @Override
92 public void menuSelected(MenuEvent e) {
93 refreshImageryMenu();
94 }
95
96 @Override
97 public void menuDeselected(MenuEvent e) {
98 }
99
100 @Override
101 public void menuCanceled(MenuEvent e) {
102 }
103 });
104 MainMenu.add(subMenu, rectaction);
105 }
106
107 private void setupMenuScroller() {
108 if (!GraphicsEnvironment.isHeadless()) {
109 int menuItemHeight = singleOffset.getPreferredSize().height;
110 MenuScroller.setScrollerFor(this,
111 MenuScroller.computeScrollCount(this, menuItemHeight));
112 }
113 }
114
115 /**
116 * Refresh imagery menu.
117 *
118 * Outside this class only called in {@link ImageryPreference#initialize()}.
119 * (In order to have actions ready for the toolbar, see #8446.)
120 */
121 public void refreshImageryMenu() {
122 removeDynamicItems();
123
124 addDynamic(offsetMenuItem);
125 addDynamicSeparator();
126
127 // for each configured ImageryInfo, add a menu entry.
128 for (final ImageryInfo u : ImageryLayerInfo.instance.getLayers()) {
129 addDynamic(new AddImageryLayerAction(u));
130 }
131
132 // list all imagery entries where the current map location
133 // is within the imagery bounds
134 if (Main.isDisplayingMapView()) {
135 MapView mv = Main.map.mapView;
136 LatLon pos = mv.getProjection().eastNorth2latlon(mv.getCenter());
137 final Set<ImageryInfo> inViewLayers = new TreeSet<>();
138
139 for (ImageryInfo i : ImageryLayerInfo.instance.getDefaultLayers()) {
140 if (i.getBounds() != null && i.getBounds().contains(pos)) {
141 inViewLayers.add(i);
142 }
143 }
144 // Do not suggest layers already in use
145 inViewLayers.removeAll(ImageryLayerInfo.instance.getLayers());
146 // For layers containing complex shapes, check that center is in one
147 // of its shapes (fix #7910)
148 for (Iterator<ImageryInfo> iti = inViewLayers.iterator(); iti.hasNext(); ) {
149 List<Shape> shapes = iti.next().getBounds().getShapes();
150 if (shapes != null && !shapes.isEmpty()) {
151 boolean found = false;
152 for (Iterator<Shape> its = shapes.iterator(); its.hasNext() && !found; ) {
153 found = its.next().contains(pos);
154 }
155 if (!found) {
156 iti.remove();
157 }
158 }
159 }
160 if (!inViewLayers.isEmpty()) {
161 addDynamicSeparator();
162 for (ImageryInfo i : inViewLayers) {
163 addDynamic(new AddImageryLayerAction(i));
164 }
165 }
166 }
167
168 addDynamicSeparator();
169 JMenu subMenu = Main.main.menu.imagerySubMenu;
170 int heightUnrolled = 30*(getItemCount()+subMenu.getItemCount());
171 if (heightUnrolled < Main.panel.getHeight()) {
172 // add all items of submenu if they will fit on screen
173 int n = subMenu.getItemCount();
174 for (int i=0; i<n; i++) {
175 addDynamic(subMenu.getItem(i).getAction());
176 }
177 } else {
178 // or add the submenu itself
179 addDynamic(subMenu);
180 }
181 }
182
183 private JMenuItem getNewOffsetMenu(){
184 if (!Main.isDisplayingMapView()) {
185 offsetAction.setEnabled(false);
186 return singleOffset;
187 }
188 Collection<ImageryLayer> layers = Main.map.mapView.getLayersOfType(ImageryLayer.class);
189 if (layers.isEmpty()) {
190 offsetAction.setEnabled(false);
191 return singleOffset;
192 }
193 offsetAction.setEnabled(true);
194 JMenu newMenu = new JMenu(trc("layer","Offset")) {
195 // Hack to prevent ToolbarPreference from tracing this menu
196 // TODO: Modify ToolbarPreference to not to trace such dynamic submenus?
197 @Override
198 public MenuElement[] getSubElements() {
199 return new MenuElement[0];
200 }
201 };
202 newMenu.setIcon(ImageProvider.get("mapmode", "adjustimg"));
203 newMenu.setAction(offsetAction);
204 if (layers.size() == 1)
205 return (JMenuItem)layers.iterator().next().getOffsetMenuItem(newMenu);
206 for (ImageryLayer layer : layers) {
207 JMenuItem layerMenu = layer.getOffsetMenuItem();
208 layerMenu.setText(layer.getName());
209 layerMenu.setIcon(layer.getIcon());
210 newMenu.add(layerMenu);
211 }
212 return newMenu;
213 }
214
215 public void refreshOffsetMenu() {
216 offsetMenuItem = getNewOffsetMenu();
217 }
218
219 @Override
220 public void activeLayerChange(Layer oldLayer, Layer newLayer) {
221 }
222
223 @Override
224 public void layerAdded(Layer newLayer) {
225 if (newLayer instanceof ImageryLayer) {
226 refreshOffsetMenu();
227 }
228 }
229
230 @Override
231 public void layerRemoved(Layer oldLayer) {
232 if (oldLayer instanceof ImageryLayer) {
233 refreshOffsetMenu();
234 }
235 }
236
237 /**
238 * Collection to store temporary menu items. They will be deleted
239 * (and possibly recreated) when refreshImageryMenu() is called.
240 * @since 5803
241 */
242 private List <Object> dynamicItems = new ArrayList<>(20);
243
244 /**
245 * Remove all the items in @field dynamicItems collection
246 * @since 5803
247 */
248 private void removeDynamicItems() {
249 for (Object item : dynamicItems) {
250 if (item instanceof JMenuItem) {
251 remove((JMenuItem)item);
252 }
253 if (item instanceof MenuComponent) {
254 remove((MenuComponent)item);
255 }
256 if (item instanceof Component) {
257 remove((Component)item);
258 }
259 }
260 dynamicItems.clear();
261 }
262
263 private void addDynamicSeparator() {
264 JPopupMenu.Separator s = new JPopupMenu.Separator();
265 dynamicItems.add(s);
266 add(s);
267 }
268
269 private void addDynamic(Action a) {
270 dynamicItems.add( this.add(a) );
271 }
272
273 private void addDynamic(JMenuItem it) {
274 dynamicItems.add( this.add(it) );
275 }
276}
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