source: josm/trunk/src/org/openstreetmap/josm/gui/ImageryMenu.java@ 6340

Last change on this file since 6340 was 6336, checked in by Don-vip, 10 years ago

code cleanup / robustness in edit layer handling
File size: 9.7 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.MapRectifierWMSmenuAction;
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 MapRectifierWMSmenuAction rectaction = new MapRectifierWMSmenuAction();
83
84 public ImageryMenu(JMenu subMenu) {
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 MainMenu.add(subMenu, rectaction);
104 }
105
106 private void setupMenuScroller() {
107 int screenHeight = Toolkit.getDefaultToolkit().getScreenSize().height;
108 int menuItemHeight = singleOffset.getPreferredSize().height;
109 MenuScroller.setScrollerFor(this, (screenHeight / menuItemHeight)-1);
110 }
111
112 /**
113 * Refresh imagery menu.
114 *
115 * Outside this class only called in {@link ImageryPreference#initialize()}.
116 * (In order to have actions ready for the toolbar, see #8446.)
117 */
118 public void refreshImageryMenu() {
119 removeDynamicItems();
120
121 addDynamic(offsetMenuItem);
122 addDynamicSeparator();
123
124 // for each configured ImageryInfo, add a menu entry.
125 for (final ImageryInfo u : ImageryLayerInfo.instance.getLayers()) {
126 addDynamic(new AddImageryLayerAction(u));
127 }
128
129 // list all imagery entries where the current map location
130 // is within the imagery bounds
131 if (Main.isDisplayingMapView()) {
132 MapView mv = Main.map.mapView;
133 LatLon pos = mv.getProjection().eastNorth2latlon(mv.getCenter());
134 final Set<ImageryInfo> inViewLayers = new HashSet<ImageryInfo>();
135
136 for (ImageryInfo i : ImageryLayerInfo.instance.getDefaultLayers()) {
137 if (i.getBounds() != null && i.getBounds().contains(pos)) {
138 inViewLayers.add(i);
139 }
140 }
141 // Do not suggest layers already in use
142 inViewLayers.removeAll(ImageryLayerInfo.instance.getLayers());
143 // For layers containing complex shapes, check that center is in one
144 // of its shapes (fix #7910)
145 for (Iterator<ImageryInfo> iti = inViewLayers.iterator(); iti.hasNext(); ) {
146 List<Shape> shapes = iti.next().getBounds().getShapes();
147 if (shapes != null && !shapes.isEmpty()) {
148 boolean found = false;
149 for (Iterator<Shape> its = shapes.iterator(); its.hasNext() && !found; ) {
150 found = its.next().contains(pos);
151 }
152 if (!found) {
153 iti.remove();
154 }
155 }
156 }
157 if (!inViewLayers.isEmpty()) {
158 addDynamicSeparator();
159 for (ImageryInfo i : inViewLayers) {
160 addDynamic(new AddImageryLayerAction(i));
161 }
162 }
163 }
164
165 addDynamicSeparator();
166 JMenu subMenu = Main.main.menu.imagerySubMenu;
167 int heightUnrolled = 30*(getItemCount()+subMenu.getItemCount());
168 if (heightUnrolled < Main.panel.getHeight()) {
169 // add all items of submenu if they will fit on screen
170 int n = subMenu.getItemCount();
171 for (int i=0; i<n; i++) {
172 addDynamic(subMenu.getItem(i).getAction());
173 }
174 } else {
175 // or add the submenu itself
176 addDynamic(subMenu);
177 }
178 }
179
180 private JMenuItem getNewOffsetMenu(){
181 if (!Main.isDisplayingMapView()) {
182 offsetAction.setEnabled(false);
183 return singleOffset;
184 }
185 List<ImageryLayer> layers = Main.map.mapView.getLayersOfType(ImageryLayer.class);
186 if (layers.isEmpty()) {
187 offsetAction.setEnabled(false);
188 return singleOffset;
189 }
190 offsetAction.setEnabled(true);
191 JMenu newMenu = new JMenu(trc("layer","Offset")) {
192 // Hack to prevent ToolbarPreference from tracing this menu
193 // TODO: Modify ToolbarPreference to not to trace such dynamic submenus?
194 @Override
195 public MenuElement[] getSubElements() {
196 return new MenuElement[0];
197 }
198 };
199 newMenu.setIcon(ImageProvider.get("mapmode", "adjustimg"));
200 newMenu.setAction(offsetAction);
201 if (layers.size() == 1)
202 return (JMenuItem)layers.get(0).getOffsetMenuItem(newMenu);
203 for (ImageryLayer layer : layers) {
204 JMenuItem layerMenu = layer.getOffsetMenuItem();
205 layerMenu.setText(layer.getName());
206 layerMenu.setIcon(layer.getIcon());
207 newMenu.add(layerMenu);
208 }
209 return newMenu;
210 }
211
212 public void refreshOffsetMenu() {
213 offsetMenuItem = getNewOffsetMenu();
214 }
215
216 @Override
217 public void activeLayerChange(Layer oldLayer, Layer newLayer) {
218 }
219
220 @Override
221 public void layerAdded(Layer newLayer) {
222 if (newLayer instanceof ImageryLayer) {
223 refreshOffsetMenu();
224 }
225 }
226
227 @Override
228 public void layerRemoved(Layer oldLayer) {
229 if (oldLayer instanceof ImageryLayer) {
230 refreshOffsetMenu();
231 }
232 }
233
234 /**
235 * Collection to store temporary menu items. They will be deleted
236 * (and possibly recreated) when refreshImageryMenu() is called.
237 * @since 5803
238 */
239 private List <Object> dynamicItems = new ArrayList<Object>(20);
240
241 /**
242 * Remove all the items in @field dynamicItems collection
243 * @since 5803
244 */
245 private void removeDynamicItems() {
246 for (Object item : dynamicItems) {
247 if (item instanceof JMenuItem) {
248 remove((JMenuItem)item);
249 }
250 if (item instanceof MenuComponent) {
251 remove((MenuComponent)item);
252 }
253 if (item instanceof Component) {
254 remove((Component)item);
255 }
256 }
257 dynamicItems.clear();
258 }
259
260 private void addDynamicSeparator() {
261 JPopupMenu.Separator s = new JPopupMenu.Separator();
262 dynamicItems.add(s);
263 add(s);
264 }
265
266 private void addDynamic(Action a) {
267 dynamicItems.add( this.add(a) );
268 }
269
270 private void addDynamic(JMenuItem it) {
271 dynamicItems.add( this.add(it) );
272 }
273}
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