source: josm/trunk/src/org/openstreetmap/josm/actions/AutoScaleAction.java@ 7575

Last change on this file since 7575 was 7053, checked in by bastiK, 10 years ago

fixed #9669 - key-press 3 on node goes down to 6 meter

new advanced property zoom_to_selection_min_size_in_meter to
set the minimum width and height of the area (in meter) for the
zoom to selection action "3"
  • Property svn:eol-style set to native
File size: 13.6 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.actions;
3
4import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
5import static org.openstreetmap.josm.tools.I18n.marktr;
6import static org.openstreetmap.josm.tools.I18n.tr;
7
8import java.awt.event.ActionEvent;
9import java.awt.event.KeyEvent;
10import java.util.Arrays;
11import java.util.Collection;
12import java.util.Collections;
13import java.util.HashSet;
14import java.util.List;
15
16import javax.swing.JOptionPane;
17import javax.swing.event.ListSelectionEvent;
18import javax.swing.event.ListSelectionListener;
19import javax.swing.event.TreeSelectionEvent;
20import javax.swing.event.TreeSelectionListener;
21
22import org.openstreetmap.josm.Main;
23import org.openstreetmap.josm.data.Bounds;
24import org.openstreetmap.josm.data.conflict.Conflict;
25import org.openstreetmap.josm.data.osm.OsmPrimitive;
26import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
27import org.openstreetmap.josm.data.validation.TestError;
28import org.openstreetmap.josm.gui.MapFrame;
29import org.openstreetmap.josm.gui.MapFrameListener;
30import org.openstreetmap.josm.gui.MapView;
31import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
32import org.openstreetmap.josm.gui.dialogs.ValidatorDialog.ValidatorBoundingXYVisitor;
33import org.openstreetmap.josm.gui.download.DownloadDialog;
34import org.openstreetmap.josm.gui.layer.Layer;
35import org.openstreetmap.josm.tools.Shortcut;
36
37/**
38 * Toggles the autoScale feature of the mapView
39 * @author imi
40 */
41public class AutoScaleAction extends JosmAction {
42
43 public static final Collection<String> MODES = Collections.unmodifiableList(Arrays.asList(
44 marktr("data"),
45 marktr("layer"),
46 marktr("selection"),
47 marktr("conflict"),
48 marktr("download"),
49 marktr("problem"),
50 marktr("previous"),
51 marktr("next")));
52
53 private final String mode;
54
55 protected ZoomChangeAdapter zoomChangeAdapter;
56 protected MapFrameAdapter mapFrameAdapter;
57
58 /**
59 * Zooms the current map view to the currently selected primitives.
60 * Does nothing if there either isn't a current map view or if there isn't a current data
61 * layer.
62 *
63 */
64 public static void zoomToSelection() {
65 if (Main.main == null || !Main.main.hasEditLayer()) return;
66 Collection<OsmPrimitive> sel = Main.main.getEditLayer().data.getSelected();
67 if (sel.isEmpty()) {
68 JOptionPane.showMessageDialog(
69 Main.parent,
70 tr("Nothing selected to zoom to."),
71 tr("Information"),
72 JOptionPane.INFORMATION_MESSAGE
73 );
74 return;
75 }
76 zoomTo(sel);
77 }
78
79 public static void zoomTo(Collection<OsmPrimitive> sel) {
80 BoundingXYVisitor bboxCalculator = new BoundingXYVisitor();
81 bboxCalculator.computeBoundingBox(sel);
82 // increase bbox by 0.001 degrees on each side. this is required
83 // especially if the bbox contains one single node, but helpful
84 // in most other cases as well.
85 bboxCalculator.enlargeBoundingBox();
86 if (bboxCalculator.getBounds() != null) {
87 Main.map.mapView.recalculateCenterScale(bboxCalculator);
88 }
89 }
90
91 public static void autoScale(String mode) {
92 new AutoScaleAction(mode, false).autoScale();
93 }
94
95 private static int getModeShortcut(String mode) {
96 int shortcut = -1;
97
98 // TODO: convert this to switch/case and make sure the parsing still works
99 /* leave as single line for shortcut overview parsing! */
100 if (mode.equals("data")) { shortcut = KeyEvent.VK_1; }
101 else if (mode.equals("layer")) { shortcut = KeyEvent.VK_2; }
102 else if (mode.equals("selection")) { shortcut = KeyEvent.VK_3; }
103 else if (mode.equals("conflict")) { shortcut = KeyEvent.VK_4; }
104 else if (mode.equals("download")) { shortcut = KeyEvent.VK_5; }
105 else if (mode.equals("problem")) { shortcut = KeyEvent.VK_6; }
106 else if (mode.equals("previous")) { shortcut = KeyEvent.VK_8; }
107 else if (mode.equals("next")) { shortcut = KeyEvent.VK_9; }
108
109 return shortcut;
110 }
111
112 /**
113 * Constructs a new {@code AutoScaleAction}.
114 * @param mode The autoscale mode (one of {@link AutoScaleAction#MODES})
115 * @param marker Used only to differentiate from default constructor
116 */
117 private AutoScaleAction(String mode, boolean marker) {
118 super(false);
119 this.mode = mode;
120 }
121
122 /**
123 * Constructs a new {@code AutoScaleAction}.
124 * @param mode The autoscale mode (one of {@link AutoScaleAction#MODES})
125 */
126 public AutoScaleAction(final String mode) {
127 super(tr("Zoom to {0}", tr(mode)), "dialogs/autoscale/" + mode, tr("Zoom the view to {0}.", tr(mode)),
128 Shortcut.registerShortcut("view:zoom"+mode, tr("View: {0}", tr("Zoom to {0}", tr(mode))), getModeShortcut(mode), Shortcut.DIRECT),
129 true, null, false);
130 String modeHelp = Character.toUpperCase(mode.charAt(0)) + mode.substring(1);
131 putValue("help", "Action/AutoScale/" + modeHelp);
132 this.mode = mode;
133 switch (mode) {
134 case "data":
135 putValue("help", ht("/Action/ZoomToData"));
136 break;
137 case "layer":
138 putValue("help", ht("/Action/ZoomToLayer"));
139 break;
140 case "selection":
141 putValue("help", ht("/Action/ZoomToSelection"));
142 break;
143 case "conflict":
144 putValue("help", ht("/Action/ZoomToConflict"));
145 break;
146 case "problem":
147 putValue("help", ht("/Action/ZoomToProblem"));
148 break;
149 case "download":
150 putValue("help", ht("/Action/ZoomToDownload"));
151 break;
152 case "previous":
153 putValue("help", ht("/Action/ZoomToPrevious"));
154 break;
155 case "next":
156 putValue("help", ht("/Action/ZoomToNext"));
157 break;
158 default:
159 throw new IllegalArgumentException("Unknown mode: "+mode);
160 }
161 installAdapters();
162 }
163
164 public void autoScale() {
165 if (Main.isDisplayingMapView()) {
166 switch(mode) {
167 case "previous":
168 Main.map.mapView.zoomPrevious();
169 break;
170 case "next":
171 Main.map.mapView.zoomNext();
172 break;
173 default:
174 BoundingXYVisitor bbox = getBoundingBox();
175 if (bbox != null && bbox.getBounds() != null) {
176 Main.map.mapView.recalculateCenterScale(bbox);
177 }
178 }
179 }
180 putValue("active", true);
181 }
182
183 @Override
184 public void actionPerformed(ActionEvent e) {
185 autoScale();
186 }
187
188 /**
189 * Replies the first selected layer in the layer list dialog. null, if no
190 * such layer exists, either because the layer list dialog is not yet created
191 * or because no layer is selected.
192 *
193 * @return the first selected layer in the layer list dialog
194 */
195 protected Layer getFirstSelectedLayer() {
196 List<Layer> layers = LayerListDialog.getInstance().getModel().getSelectedLayers();
197 if (layers.isEmpty()) return null;
198 return layers.get(0);
199 }
200
201 private BoundingXYVisitor getBoundingBox() {
202 BoundingXYVisitor v = "problem".equals(mode) ? new ValidatorBoundingXYVisitor() : new BoundingXYVisitor();
203
204 switch(mode) {
205 case "problem":
206 TestError error = Main.map.validatorDialog.getSelectedError();
207 if (error == null) return null;
208 ((ValidatorBoundingXYVisitor) v).visit(error);
209 if (v.getBounds() == null) return null;
210 v.enlargeBoundingBox(Main.pref.getDouble("validator.zoom-enlarge-bbox", 0.0002));
211 break;
212 case "data":
213 for (Layer l : Main.map.mapView.getAllLayers()) {
214 l.visitBoundingBox(v);
215 }
216 break;
217 case "layer":
218 if (Main.main.getActiveLayer() == null)
219 return null;
220 // try to zoom to the first selected layer
221 Layer l = getFirstSelectedLayer();
222 if (l == null) return null;
223 l.visitBoundingBox(v);
224 break;
225 case "selection":
226 case "conflict":
227 Collection<OsmPrimitive> sel = new HashSet<>();
228 if ("selection".equals(mode)) {
229 sel = getCurrentDataSet().getSelected();
230 } else {
231 Conflict<? extends OsmPrimitive> c = Main.map.conflictDialog.getSelectedConflict();
232 if (c != null) {
233 sel.add(c.getMy());
234 } else if (Main.map.conflictDialog.getConflicts() != null) {
235 sel = Main.map.conflictDialog.getConflicts().getMyConflictParties();
236 }
237 }
238 if (sel.isEmpty()) {
239 JOptionPane.showMessageDialog(
240 Main.parent,
241 ("selection".equals(mode) ? tr("Nothing selected to zoom to.") : tr("No conflicts to zoom to")),
242 tr("Information"),
243 JOptionPane.INFORMATION_MESSAGE
244 );
245 return null;
246 }
247 for (OsmPrimitive osm : sel) {
248 osm.accept(v);
249 }
250
251 // Increase the bounding box by up to 100% to give more context.
252 v.enlargeBoundingBoxLogarithmically(100);
253 // Make the bounding box at least 100 meter wide to
254 // ensure reasonable zoom level when zooming onto single nodes.
255 v.enlargeToMinSize(Main.pref.getDouble("zoom_to_selection_min_size_in_meter", 100));
256 break;
257 case "download":
258 Bounds bounds = DownloadDialog.getSavedDownloadBounds();
259 if (bounds != null) {
260 try {
261 v.visit(bounds);
262 } catch (Exception e) {
263 Main.warn(e);
264 }
265 }
266 break;
267 }
268 return v;
269 }
270
271 @Override
272 protected void updateEnabledState() {
273 switch(mode) {
274 case "selection":
275 setEnabled(getCurrentDataSet() != null && ! getCurrentDataSet().getSelected().isEmpty());
276 break;
277 case "layer":
278 if (!Main.isDisplayingMapView() || Main.map.mapView.getAllLayersAsList().isEmpty()) {
279 setEnabled(false);
280 } else {
281 // FIXME: should also check for whether a layer is selected in the layer list dialog
282 setEnabled(true);
283 }
284 break;
285 case "conflict":
286 setEnabled(Main.map != null && Main.map.conflictDialog.getSelectedConflict() != null);
287 break;
288 case "problem":
289 setEnabled(Main.map != null && Main.map.validatorDialog.getSelectedError() != null);
290 break;
291 case "previous":
292 setEnabled(Main.isDisplayingMapView() && Main.map.mapView.hasZoomUndoEntries());
293 break;
294 case "next":
295 setEnabled(Main.isDisplayingMapView() && Main.map.mapView.hasZoomRedoEntries());
296 break;
297 default:
298 setEnabled(Main.isDisplayingMapView() && Main.map.mapView.hasLayers()
299 );
300 }
301 }
302
303 @Override
304 protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
305 if ("selection".equals(mode)) {
306 setEnabled(selection != null && !selection.isEmpty());
307 }
308 }
309
310 @Override
311 protected final void installAdapters() {
312 super.installAdapters();
313 // make this action listen to zoom and mapframe change events
314 //
315 MapView.addZoomChangeListener(zoomChangeAdapter = new ZoomChangeAdapter());
316 Main.addMapFrameListener(mapFrameAdapter = new MapFrameAdapter());
317 initEnabledState();
318 }
319
320 /**
321 * Adapter for zoom change events
322 */
323 private class ZoomChangeAdapter implements MapView.ZoomChangeListener {
324 @Override
325 public void zoomChanged() {
326 updateEnabledState();
327 }
328 }
329
330 /**
331 * Adapter for MapFrame change events
332 */
333 private class MapFrameAdapter implements MapFrameListener {
334 private ListSelectionListener conflictSelectionListener;
335 private TreeSelectionListener validatorSelectionListener;
336
337 public MapFrameAdapter() {
338 if ("conflict".equals(mode)) {
339 conflictSelectionListener = new ListSelectionListener() {
340 @Override public void valueChanged(ListSelectionEvent e) {
341 updateEnabledState();
342 }
343 };
344 } else if ("problem".equals(mode)) {
345 validatorSelectionListener = new TreeSelectionListener() {
346 @Override public void valueChanged(TreeSelectionEvent e) {
347 updateEnabledState();
348 }
349 };
350 }
351 }
352
353 @Override public void mapFrameInitialized(MapFrame oldFrame, MapFrame newFrame) {
354 if (conflictSelectionListener != null) {
355 if (newFrame != null) {
356 newFrame.conflictDialog.addListSelectionListener(conflictSelectionListener);
357 } else if (oldFrame != null) {
358 oldFrame.conflictDialog.removeListSelectionListener(conflictSelectionListener);
359 }
360 } else if (validatorSelectionListener != null) {
361 if (newFrame != null) {
362 newFrame.validatorDialog.addTreeSelectionListener(validatorSelectionListener);
363 } else if (oldFrame != null) {
364 oldFrame.validatorDialog.removeTreeSelectionListener(validatorSelectionListener);
365 }
366 }
367 }
368 }
369}
Note: See TracBrowser for help on using the repository browser.