1 | // License: GPL. See LICENSE file for details.
|
---|
2 |
|
---|
3 | package org.openstreetmap.josm.gui;
|
---|
4 |
|
---|
5 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
6 |
|
---|
7 | import java.awt.Color;
|
---|
8 | import java.awt.Graphics;
|
---|
9 | import java.awt.Point;
|
---|
10 | import java.awt.event.ComponentAdapter;
|
---|
11 | import java.awt.event.ComponentEvent;
|
---|
12 | import java.awt.event.KeyEvent;
|
---|
13 | import java.util.ArrayList;
|
---|
14 | import java.util.Collection;
|
---|
15 | import java.util.Collections;
|
---|
16 | import java.util.LinkedList;
|
---|
17 |
|
---|
18 | import javax.swing.JComponent;
|
---|
19 | import javax.swing.JOptionPane;
|
---|
20 | import javax.swing.KeyStroke;
|
---|
21 |
|
---|
22 | import org.openstreetmap.josm.Main;
|
---|
23 | import org.openstreetmap.josm.actions.AutoScaleAction;
|
---|
24 | import org.openstreetmap.josm.actions.MoveAction;
|
---|
25 | import org.openstreetmap.josm.data.Bounds;
|
---|
26 | import org.openstreetmap.josm.data.Preferences;
|
---|
27 | import org.openstreetmap.josm.data.SelectionChangedListener;
|
---|
28 | import org.openstreetmap.josm.data.coor.EastNorth;
|
---|
29 | import org.openstreetmap.josm.data.coor.LatLon;
|
---|
30 | import org.openstreetmap.josm.data.osm.DataSet;
|
---|
31 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
|
---|
32 | import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
|
---|
33 | import org.openstreetmap.josm.data.projection.Projection;
|
---|
34 | import org.openstreetmap.josm.gui.layer.Layer;
|
---|
35 | import org.openstreetmap.josm.gui.layer.MapViewPaintable;
|
---|
36 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
|
---|
37 | import org.openstreetmap.josm.gui.layer.OsmDataLayer.ModifiedChangedListener;
|
---|
38 | import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;
|
---|
39 | import org.openstreetmap.josm.gui.layer.markerlayer.PlayHeadMarker;
|
---|
40 |
|
---|
41 | /**
|
---|
42 | * This is a component used in the MapFrame for browsing the map. It use is to
|
---|
43 | * provide the MapMode's enough capabilities to operate.
|
---|
44 | *
|
---|
45 | * MapView hold meta-data about the data set currently displayed, as scale level,
|
---|
46 | * center point viewed, what scrolling mode or editing mode is selected or with
|
---|
47 | * what projection the map is viewed etc..
|
---|
48 | *
|
---|
49 | * MapView is able to administrate several layers.
|
---|
50 | *
|
---|
51 | * @author imi
|
---|
52 | */
|
---|
53 | public class MapView extends NavigatableComponent {
|
---|
54 |
|
---|
55 | /**
|
---|
56 | * Interface to notify listeners of the change of the active layer.
|
---|
57 | * @author imi
|
---|
58 | * @deprecated Use Layer.LayerChangeListener instead
|
---|
59 | */
|
---|
60 | @Deprecated public interface LayerChangeListener {
|
---|
61 | void activeLayerChange(Layer oldLayer, Layer newLayer);
|
---|
62 | void layerAdded(Layer newLayer);
|
---|
63 | void layerRemoved(Layer oldLayer);
|
---|
64 | }
|
---|
65 |
|
---|
66 | /**
|
---|
67 | * A list of all layers currently loaded.
|
---|
68 | */
|
---|
69 | private ArrayList<Layer> layers = new ArrayList<Layer>();
|
---|
70 | /**
|
---|
71 | * The play head marker: there is only one of these so it isn't in any specific layer
|
---|
72 | */
|
---|
73 | public PlayHeadMarker playHeadMarker = null;
|
---|
74 | /**
|
---|
75 | * Direct link to the edit layer (if any) in the layers list.
|
---|
76 | */
|
---|
77 | public OsmDataLayer editLayer;
|
---|
78 | /**
|
---|
79 | * The layer from the layers list that is currently active.
|
---|
80 | */
|
---|
81 | private Layer activeLayer;
|
---|
82 |
|
---|
83 | private LinkedList<MapViewPaintable> temporaryLayers = new LinkedList<MapViewPaintable>();
|
---|
84 |
|
---|
85 | /**
|
---|
86 | * The listener of the active layer changes.
|
---|
87 | * @deprecated Use Layer.listener instead.
|
---|
88 | */
|
---|
89 | @Deprecated private Collection<LayerChangeListener> listeners = new LinkedList<LayerChangeListener>();
|
---|
90 |
|
---|
91 | public MapView() {
|
---|
92 | addComponentListener(new ComponentAdapter(){
|
---|
93 | @Override public void componentResized(ComponentEvent e) {
|
---|
94 | removeComponentListener(this);
|
---|
95 |
|
---|
96 | new AutoScaleAction("data").actionPerformed(null);
|
---|
97 |
|
---|
98 | new MapMover(MapView.this, Main.contentPane);
|
---|
99 | Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, java.awt.event.InputEvent.SHIFT_MASK), "UP");
|
---|
100 | Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, java.awt.event.InputEvent.SHIFT_MASK), "DOWN");
|
---|
101 | Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, java.awt.event.InputEvent.SHIFT_MASK), "LEFT");
|
---|
102 | Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, java.awt.event.InputEvent.SHIFT_MASK), "RIGHT");
|
---|
103 |
|
---|
104 | Main.contentPane.getActionMap().put("UP", new MoveAction(MoveAction.Direction.UP));
|
---|
105 | Main.contentPane.getActionMap().put("DOWN", new MoveAction(MoveAction.Direction.DOWN));
|
---|
106 | Main.contentPane.getActionMap().put("LEFT", new MoveAction(MoveAction.Direction.LEFT));
|
---|
107 | Main.contentPane.getActionMap().put("RIGHT", new MoveAction(MoveAction.Direction.RIGHT));
|
---|
108 |
|
---|
109 |
|
---|
110 | MapSlider zoomSlider = new MapSlider(MapView.this);
|
---|
111 | add(zoomSlider);
|
---|
112 | zoomSlider.setBounds(3, 0, 114, 30);
|
---|
113 |
|
---|
114 | MapScaler scaler = new MapScaler(MapView.this, Main.proj);
|
---|
115 | add(scaler);
|
---|
116 | scaler.setLocation(10,30);
|
---|
117 | }
|
---|
118 | });
|
---|
119 |
|
---|
120 | // listend to selection changes to redraw the map
|
---|
121 | DataSet.selListeners.add(new SelectionChangedListener(){
|
---|
122 | public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
|
---|
123 | repaint();
|
---|
124 | }
|
---|
125 | });
|
---|
126 | }
|
---|
127 |
|
---|
128 | /**
|
---|
129 | * Add a layer to the current MapView. The layer will be added at topmost
|
---|
130 | * position.
|
---|
131 | */
|
---|
132 | public void addLayer(Layer layer) {
|
---|
133 | if (layer instanceof OsmDataLayer) {
|
---|
134 | editLayer = (OsmDataLayer)layer;
|
---|
135 | Main.ds = editLayer.data;
|
---|
136 | editLayer.listenerModified.add(new ModifiedChangedListener(){
|
---|
137 | public void modifiedChanged(boolean value, OsmDataLayer source) {
|
---|
138 | JOptionPane.getFrameForComponent(Main.parent).setTitle((value?"*":"")+tr("Java OpenStreetMap - Editor"));
|
---|
139 | }
|
---|
140 | });
|
---|
141 | }
|
---|
142 | if (layer instanceof MarkerLayer && playHeadMarker == null)
|
---|
143 | playHeadMarker = PlayHeadMarker.create();
|
---|
144 |
|
---|
145 | layers.add(layers.size(), layer);
|
---|
146 |
|
---|
147 | // TODO: Deprecated
|
---|
148 | for (LayerChangeListener l : listeners)
|
---|
149 | l.layerAdded(layer);
|
---|
150 | for (Layer.LayerChangeListener l : Layer.listeners)
|
---|
151 | l.layerAdded(layer);
|
---|
152 |
|
---|
153 | // autoselect the new layer
|
---|
154 | setActiveLayer(layer);
|
---|
155 | repaint();
|
---|
156 | }
|
---|
157 |
|
---|
158 | /**
|
---|
159 | * Remove the layer from the mapview. If the layer was in the list before,
|
---|
160 | * an LayerChange event is fired.
|
---|
161 | */
|
---|
162 | public void removeLayer(Layer layer) {
|
---|
163 | if (layers.remove(layer)) {
|
---|
164 | // TODO: Deprecated
|
---|
165 | for (LayerChangeListener l : listeners)
|
---|
166 | l.layerRemoved(layer);
|
---|
167 | for (Layer.LayerChangeListener l : Layer.listeners)
|
---|
168 | l.layerRemoved(layer);
|
---|
169 | }
|
---|
170 | if (layer == editLayer) {
|
---|
171 | editLayer = null;
|
---|
172 | Main.ds.setSelected();
|
---|
173 | }
|
---|
174 | layer.destroy();
|
---|
175 | }
|
---|
176 |
|
---|
177 | /**
|
---|
178 | * Moves the layer to the given new position. No event is fired.
|
---|
179 | * @param layer The layer to move
|
---|
180 | * @param pos The new position of the layer
|
---|
181 | */
|
---|
182 | public void moveLayer(Layer layer, int pos) {
|
---|
183 | int curLayerPos = layers.indexOf(layer);
|
---|
184 | if (curLayerPos == -1)
|
---|
185 | throw new IllegalArgumentException(tr("layer not in list."));
|
---|
186 | if (pos == curLayerPos)
|
---|
187 | return; // already in place.
|
---|
188 | layers.remove(curLayerPos);
|
---|
189 | if (pos >= layers.size())
|
---|
190 | layers.add(layer);
|
---|
191 | else
|
---|
192 | layers.add(pos, layer);
|
---|
193 | }
|
---|
194 |
|
---|
195 | /**
|
---|
196 | * Draw the component.
|
---|
197 | */
|
---|
198 | @Override public void paint(Graphics g) {
|
---|
199 | if (center == null)
|
---|
200 | return; // no data loaded yet.
|
---|
201 | g.setColor(Preferences.getPreferencesColor("background", Color.BLACK));
|
---|
202 | g.fillRect(0, 0, getWidth(), getHeight());
|
---|
203 |
|
---|
204 | for (int i = layers.size()-1; i >= 0; --i) {
|
---|
205 | Layer l = layers.get(i);
|
---|
206 | if (l.visible && l != getActiveLayer())
|
---|
207 | l.paint(g, this);
|
---|
208 | }
|
---|
209 |
|
---|
210 | if (getActiveLayer() != null && getActiveLayer().visible)
|
---|
211 | getActiveLayer().paint(g, this);
|
---|
212 |
|
---|
213 | for (MapViewPaintable mvp : temporaryLayers) {
|
---|
214 | mvp.paint(g, this);
|
---|
215 | }
|
---|
216 |
|
---|
217 | // draw world borders
|
---|
218 | g.setColor(Color.WHITE);
|
---|
219 | Bounds b = new Bounds();
|
---|
220 | Point min = getPoint(getProjection().latlon2eastNorth(b.min));
|
---|
221 | Point max = getPoint(getProjection().latlon2eastNorth(b.max));
|
---|
222 | int x1 = Math.min(min.x, max.x);
|
---|
223 | int y1 = Math.min(min.y, max.y);
|
---|
224 | int x2 = Math.max(min.x, max.x);
|
---|
225 | int y2 = Math.max(min.y, max.y);
|
---|
226 | if (x1 > 0 || y1 > 0 || x2 < getWidth() || y2 < getHeight())
|
---|
227 | g.drawRect(x1, y1, x2-x1+1, y2-y1+1);
|
---|
228 |
|
---|
229 | if (playHeadMarker != null)
|
---|
230 | playHeadMarker.paint(g, this);
|
---|
231 |
|
---|
232 | super.paint(g);
|
---|
233 | }
|
---|
234 |
|
---|
235 | /**
|
---|
236 | * Set the new dimension to the projection class. Also adjust the components
|
---|
237 | * scale, if in autoScale mode.
|
---|
238 | */
|
---|
239 | public void recalculateCenterScale(BoundingXYVisitor box) {
|
---|
240 | // -20 to leave some border
|
---|
241 | int w = getWidth()-20;
|
---|
242 | if (w < 20)
|
---|
243 | w = 20;
|
---|
244 | int h = getHeight()-20;
|
---|
245 | if (h < 20)
|
---|
246 | h = 20;
|
---|
247 |
|
---|
248 | EastNorth oldCenter = center;
|
---|
249 | double oldScale = this.scale;
|
---|
250 |
|
---|
251 | if (box == null || box.min == null || box.max == null || box.min.equals(box.max)) {
|
---|
252 | // no bounds means whole world
|
---|
253 | center = getProjection().latlon2eastNorth(new LatLon(0,0));
|
---|
254 | EastNorth world = getProjection().latlon2eastNorth(new LatLon(Projection.MAX_LAT,Projection.MAX_LON));
|
---|
255 | double scaleX = world.east()*2/w;
|
---|
256 | double scaleY = world.north()*2/h;
|
---|
257 | scale = Math.max(scaleX, scaleY); // minimum scale to see all of the screen
|
---|
258 | } else {
|
---|
259 | center = new EastNorth(box.min.east()/2+box.max.east()/2, box.min.north()/2+box.max.north()/2);
|
---|
260 | double scaleX = (box.max.east()-box.min.east())/w;
|
---|
261 | double scaleY = (box.max.north()-box.min.north())/h;
|
---|
262 | scale = Math.max(scaleX, scaleY); // minimum scale to see all of the screen
|
---|
263 | }
|
---|
264 |
|
---|
265 | if (!center.equals(oldCenter))
|
---|
266 | firePropertyChange("center", oldCenter, center);
|
---|
267 | if (oldScale != scale)
|
---|
268 | firePropertyChange("scale", oldScale, scale);
|
---|
269 | repaint();
|
---|
270 | }
|
---|
271 |
|
---|
272 | /**
|
---|
273 | * Add a listener for changes of active layer.
|
---|
274 | * @param listener The listener that get added.
|
---|
275 | * @deprecated Use Layer.listener.add instead.
|
---|
276 | */
|
---|
277 | @Deprecated public void addLayerChangeListener(LayerChangeListener listener) {
|
---|
278 | if (listener != null)
|
---|
279 | listeners.add(listener);
|
---|
280 | }
|
---|
281 |
|
---|
282 | /**
|
---|
283 | * Remove the listener.
|
---|
284 | * @param listener The listener that get removed from the list.
|
---|
285 | * @deprecated Use Layer.listener.remove instead
|
---|
286 | */
|
---|
287 | @Deprecated public void removeLayerChangeListener(LayerChangeListener listener) {
|
---|
288 | listeners.remove(listener);
|
---|
289 | }
|
---|
290 |
|
---|
291 | /**
|
---|
292 | * @return An unmodificable list of all layers
|
---|
293 | */
|
---|
294 | public Collection<Layer> getAllLayers() {
|
---|
295 | return Collections.unmodifiableCollection(layers);
|
---|
296 | }
|
---|
297 |
|
---|
298 | /**
|
---|
299 | * Set the active selection to the given value and raise an layerchange event.
|
---|
300 | */
|
---|
301 | public void setActiveLayer(Layer layer) {
|
---|
302 | if (!layers.contains(layer))
|
---|
303 | throw new IllegalArgumentException("Layer must be in layerlist");
|
---|
304 | if (layer instanceof OsmDataLayer) {
|
---|
305 | editLayer = (OsmDataLayer)layer;
|
---|
306 | Main.ds = editLayer.data;
|
---|
307 | DataSet.fireSelectionChanged(Main.ds.getSelected());
|
---|
308 | }
|
---|
309 | Layer old = activeLayer;
|
---|
310 | activeLayer = layer;
|
---|
311 | if (old != layer) {
|
---|
312 | // TODO: Deprecated
|
---|
313 | for (LayerChangeListener l : listeners)
|
---|
314 | l.activeLayerChange(old, layer);
|
---|
315 | for (Layer.LayerChangeListener l : Layer.listeners)
|
---|
316 | l.activeLayerChange(old, layer);
|
---|
317 | }
|
---|
318 | repaint();
|
---|
319 | }
|
---|
320 |
|
---|
321 | /**
|
---|
322 | * @return The current active layer
|
---|
323 | */
|
---|
324 | public Layer getActiveLayer() {
|
---|
325 | return activeLayer;
|
---|
326 | }
|
---|
327 |
|
---|
328 | /**
|
---|
329 | * In addition to the base class funcitonality, this keep trak of the autoscale
|
---|
330 | * feature.
|
---|
331 | */
|
---|
332 | @Override public void zoomTo(EastNorth newCenter, double scale) {
|
---|
333 | EastNorth oldCenter = center;
|
---|
334 | double oldScale = this.scale;
|
---|
335 | super.zoomTo(newCenter, scale);
|
---|
336 | if ((oldCenter == null && center != null) || !oldCenter.equals(center))
|
---|
337 | firePropertyChange("center", oldCenter, center);
|
---|
338 | if (oldScale != scale)
|
---|
339 | firePropertyChange("scale", oldScale, scale);
|
---|
340 | }
|
---|
341 |
|
---|
342 | public boolean addTemporaryLayer(MapViewPaintable mvp) {
|
---|
343 | if (temporaryLayers.contains(mvp)) return false;
|
---|
344 | return temporaryLayers.add(mvp);
|
---|
345 | }
|
---|
346 |
|
---|
347 | public boolean removeTemporaryLayer(MapViewPaintable mvp) {
|
---|
348 | return temporaryLayers.remove(mvp);
|
---|
349 | }
|
---|
350 | }
|
---|