source: josm/trunk/src/org/openstreetmap/josm/actions/AutoScaleAction.java@ 6380

Last change on this file since 6380 was 6380, checked in by Don-vip, 11 years ago

update license/copyright information
  • Property svn:eol-style set to native
File size: 13.6 KB
RevLine 
[6380]1// License: GPL. For details, see LICENSE file.
[403]2package org.openstreetmap.josm.actions;
3
[2477]4import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
[948]5import static org.openstreetmap.josm.tools.I18n.marktr;
[403]6import static org.openstreetmap.josm.tools.I18n.tr;
7
8import java.awt.event.ActionEvent;
[458]9import java.awt.event.KeyEvent;
[6246]10import java.util.Arrays;
[403]11import java.util.Collection;
[6246]12import java.util.Collections;
[1750]13import java.util.HashSet;
[1953]14import java.util.List;
[403]15
16import javax.swing.JOptionPane;
[5958]17import javax.swing.event.ListSelectionEvent;
18import javax.swing.event.ListSelectionListener;
19import javax.swing.event.TreeSelectionEvent;
20import javax.swing.event.TreeSelectionListener;
[403]21
22import org.openstreetmap.josm.Main;
[2477]23import org.openstreetmap.josm.data.Bounds;
[3973]24import org.openstreetmap.josm.data.conflict.Conflict;
[403]25import org.openstreetmap.josm.data.osm.OsmPrimitive;
26import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
[5958]27import org.openstreetmap.josm.data.validation.TestError;
28import org.openstreetmap.josm.gui.MapFrame;
29import org.openstreetmap.josm.gui.MapFrameListener;
[2759]30import org.openstreetmap.josm.gui.MapView;
[1953]31import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
[5958]32import org.openstreetmap.josm.gui.dialogs.ValidatorDialog.ValidatorBoundingXYVisitor;
[403]33import org.openstreetmap.josm.gui.layer.Layer;
[1084]34import org.openstreetmap.josm.tools.Shortcut;
[403]35
36/**
37 * Toggles the autoScale feature of the mapView
38 * @author imi
39 */
40public class AutoScaleAction extends JosmAction {
41
[6246]42 public static final Collection<String> MODES = Collections.unmodifiableList(Arrays.asList(
[2758]43 marktr("data"),
44 marktr("layer"),
45 marktr("selection"),
46 marktr("conflict"),
47 marktr("download"),
[5958]48 marktr("problem"),
[2758]49 marktr("previous"),
[6246]50 marktr("next")));
[6069]51
[5958]52 private final String mode;
[2685]53
[5958]54 protected ZoomChangeAdapter zoomChangeAdapter;
55 protected MapFrameAdapter mapFrameAdapter;
56
[2685]57 /**
58 * Zooms the current map view to the currently selected primitives.
59 * Does nothing if there either isn't a current map view or if there isn't a current data
60 * layer.
[2711]61 *
[2685]62 */
63 public static void zoomToSelection() {
[6336]64 if (Main.main == null || !Main.main.hasEditLayer()) return;
[2986]65 Collection<OsmPrimitive> sel = Main.main.getEditLayer().data.getSelected();
[2685]66 if (sel.isEmpty()) {
67 JOptionPane.showMessageDialog(
68 Main.parent,
69 tr("Nothing selected to zoom to."),
70 tr("Information"),
71 JOptionPane.INFORMATION_MESSAGE
72 );
73 return;
74 }
[3251]75 zoomTo(sel);
76 }
77
78 public static void zoomTo(Collection<OsmPrimitive> sel) {
[2685]79 BoundingXYVisitor bboxCalculator = new BoundingXYVisitor();
80 bboxCalculator.computeBoundingBox(sel);
81 // increase bbox by 0.001 degrees on each side. this is required
82 // especially if the bbox contains one single node, but helpful
83 // in most other cases as well.
84 bboxCalculator.enlargeBoundingBox();
85 if (bboxCalculator.getBounds() != null) {
86 Main.map.mapView.recalculateCenterScale(bboxCalculator);
87 }
88 }
89
[3327]90 public static void autoScale(String mode) {
91 new AutoScaleAction(mode, false).autoScale();
92 }
93
[948]94 private static int getModeShortcut(String mode) {
95 int shortcut = -1;
[458]96
[4921]97 /* leave as single line for shortcut overview parsing! */
98 if (mode.equals("data")) { shortcut = KeyEvent.VK_1; }
99 else if (mode.equals("layer")) { shortcut = KeyEvent.VK_2; }
100 else if (mode.equals("selection")) { shortcut = KeyEvent.VK_3; }
101 else if (mode.equals("conflict")) { shortcut = KeyEvent.VK_4; }
102 else if (mode.equals("download")) { shortcut = KeyEvent.VK_5; }
[5958]103 else if (mode.equals("problem")) { shortcut = KeyEvent.VK_6; }
[4921]104 else if (mode.equals("previous")) { shortcut = KeyEvent.VK_8; }
105 else if (mode.equals("next")) { shortcut = KeyEvent.VK_9; }
[458]106
[948]107 return shortcut;
108 }
[403]109
[3327]110 /**
[5958]111 * Constructs a new {@code AutoScaleAction}.
112 * @param mode The autoscale mode (one of {@link AutoScaleAction#MODES})
[3327]113 * @param marker Used only to differentiate from default constructor
114 */
115 private AutoScaleAction(String mode, boolean marker) {
116 super(false);
117 this.mode = mode;
118 }
119
[5958]120 /**
121 * Constructs a new {@code AutoScaleAction}.
122 * @param mode The autoscale mode (one of {@link AutoScaleAction#MODES})
123 */
124 public AutoScaleAction(final String mode) {
[948]125 super(tr("Zoom to {0}", tr(mode)), "dialogs/autoscale/" + mode, tr("Zoom the view to {0}.", tr(mode)),
[6069]126 Shortcut.registerShortcut("view:zoom"+mode, tr("View: {0}", tr("Zoom to {0}", tr(mode))), getModeShortcut(mode), Shortcut.DIRECT),
[5958]127 true, null, false);
[948]128 String modeHelp = Character.toUpperCase(mode.charAt(0)) + mode.substring(1);
129 putValue("help", "Action/AutoScale/" + modeHelp);
130 this.mode = mode;
[2323]131 if (mode.equals("data")) {
132 putValue("help", ht("/Action/ZoomToData"));
133 } else if (mode.equals("layer")) {
134 putValue("help", ht("/Action/ZoomToLayer"));
135 } else if (mode.equals("selection")) {
136 putValue("help", ht("/Action/ZoomToSelection"));
137 } else if (mode.equals("conflict")) {
138 putValue("help", ht("/Action/ZoomToConflict"));
[5958]139 } else if (mode.equals("problem")) {
140 putValue("help", ht("/Action/ZoomToProblem"));
[2758]141 } else if (mode.equals("download")) {
[2323]142 putValue("help", ht("/Action/ZoomToDownload"));
[2758]143 } else if (mode.equals("previous")) {
[3760]144 putValue("help", ht("/Action/ZoomToPrevious"));
[2758]145 } else if (mode.equals("next")) {
[3760]146 putValue("help", ht("/Action/ZoomToNext"));
[5958]147 } else {
148 throw new IllegalArgumentException("Unknown mode: "+mode);
[2477]149 }
[5958]150 installAdapters();
[948]151 }
[403]152
[1868]153 public void autoScale() {
[5460]154 if (Main.isDisplayingMapView()) {
[2758]155 if (mode.equals("previous")) {
156 Main.map.mapView.zoomPrevious();
157 } else if (mode.equals("next")) {
158 Main.map.mapView.zoomNext();
159 } else {
160 BoundingXYVisitor bbox = getBoundingBox();
161 if (bbox != null && bbox.getBounds() != null) {
162 Main.map.mapView.recalculateCenterScale(bbox);
163 }
[948]164 }
165 }
166 putValue("active", true);
167 }
168
[6084]169 @Override
[1868]170 public void actionPerformed(ActionEvent e) {
171 autoScale();
172 }
173
[1903]174 protected Layer getActiveLayer() {
175 try {
176 return Main.map.mapView.getActiveLayer();
177 } catch(NullPointerException e) {
178 return null;
179 }
180 }
181
[1953]182 /**
183 * Replies the first selected layer in the layer list dialog. null, if no
184 * such layer exists, either because the layer list dialog is not yet created
185 * or because no layer is selected.
[2512]186 *
[1953]187 * @return the first selected layer in the layer list dialog
188 */
189 protected Layer getFirstSelectedLayer() {
190 List<Layer> layers = LayerListDialog.getInstance().getModel().getSelectedLayers();
191 if (layers.isEmpty()) return null;
192 return layers.get(0);
193 }
194
[948]195 private BoundingXYVisitor getBoundingBox() {
[5958]196 BoundingXYVisitor v = mode.equals("problem") ? new ValidatorBoundingXYVisitor() : new BoundingXYVisitor();
197
198 if (mode.equals("problem")) {
199 TestError error = Main.map.validatorDialog.getSelectedError();
200 if (error == null) return null;
201 ((ValidatorBoundingXYVisitor) v).visit(error);
202 if (v.getBounds() == null) return null;
203 v.enlargeBoundingBox(Main.pref.getDouble("validator.zoom-enlarge-bbox", 0.0002));
204 } else if (mode.equals("data")) {
[1750]205 for (Layer l : Main.map.mapView.getAllLayers()) {
[948]206 l.visitBoundingBox(v);
[1750]207 }
208 } else if (mode.equals("layer")) {
[1903]209 if (getActiveLayer() == null)
210 return null;
[1953]211 // try to zoom to the first selected layer
212 //
213 Layer l = getFirstSelectedLayer();
214 if (l == null) return null;
215 l.visitBoundingBox(v);
[1750]216 } else if (mode.equals("selection") || mode.equals("conflict")) {
217 Collection<OsmPrimitive> sel = new HashSet<OsmPrimitive>();
218 if (mode.equals("selection")) {
[1814]219 sel = getCurrentDataSet().getSelected();
[1750]220 } else if (mode.equals("conflict")) {
[3973]221 Conflict<? extends OsmPrimitive> c = Main.map.conflictDialog.getSelectedConflict();
222 if (c != null) {
223 sel.add(c.getMy());
224 } else if (Main.map.conflictDialog.getConflicts() != null) {
[1750]225 sel = Main.map.conflictDialog.getConflicts().getMyConflictParties();
226 }
227 }
[948]228 if (sel.isEmpty()) {
[2017]229 JOptionPane.showMessageDialog(
[1847]230 Main.parent,
231 (mode.equals("selection") ? tr("Nothing selected to zoom to.") : tr("No conflicts to zoom to")),
232 tr("Information"),
233 JOptionPane.INFORMATION_MESSAGE
234 );
[948]235 return null;
236 }
[1750]237 for (OsmPrimitive osm : sel) {
[6009]238 osm.accept(v);
[1750]239 }
[1023]240 // increase bbox by 0.001 degrees on each side. this is required
241 // especially if the bbox contains one single node, but helpful
[948]242 // in most other cases as well.
243 v.enlargeBoundingBox();
244 }
[1302]245 else if (mode.equals("download")) {
[4932]246 if (!Main.pref.get("osm-download.bounds").isEmpty()) {
[1302]247 try {
[2477]248 v.visit(new Bounds(Main.pref.get("osm-download.bounds"), ";"));
249 } catch (Exception e) {
[1302]250 e.printStackTrace();
251 }
252 }
253 }
[948]254 return v;
255 }
[1820]256
257 @Override
258 protected void updateEnabledState() {
[1854]259 if ("selection".equals(mode)) {
260 setEnabled(getCurrentDataSet() != null && ! getCurrentDataSet().getSelected().isEmpty());
[1903]261 } else if ("layer".equals(mode)) {
[6333]262 if (!Main.isDisplayingMapView() || Main.map.mapView.getAllLayersAsList().isEmpty()) {
[1953]263 setEnabled(false);
264 } else {
265 // FIXME: should also check for whether a layer is selected in the layer list dialog
266 setEnabled(true);
267 }
[5958]268 } else if ("conflict".equals(mode)) {
269 setEnabled(Main.map != null && Main.map.conflictDialog.getSelectedConflict() != null);
270 } else if ("problem".equals(mode)) {
271 setEnabled(Main.map != null && Main.map.validatorDialog.getSelectedError() != null);
[2759]272 } else if ("previous".equals(mode)) {
[5460]273 setEnabled(Main.isDisplayingMapView() && Main.map.mapView.hasZoomUndoEntries());
[2759]274 } else if ("next".equals(mode)) {
[5460]275 setEnabled(Main.isDisplayingMapView() && Main.map.mapView.hasZoomRedoEntries());
[1854]276 } else {
277 setEnabled(
[2343]278 Main.isDisplayingMapView()
[1895]279 && Main.map.mapView.hasLayers()
[1854]280 );
281 }
[1820]282 }
[2256]283
284 @Override
285 protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
286 if ("selection".equals(mode)) {
287 setEnabled(selection != null && !selection.isEmpty());
288 }
289 }
[2759]290
291 @Override
292 protected void installAdapters() {
293 super.installAdapters();
[5958]294 // make this action listen to zoom and mapframe change events
[2759]295 //
[5958]296 MapView.addZoomChangeListener(zoomChangeAdapter = new ZoomChangeAdapter());
297 Main.addMapFrameListener(mapFrameAdapter = new MapFrameAdapter());
[2759]298 initEnabledState();
299 }
300
301 /**
[5958]302 * Adapter for zoom change events
[2759]303 */
304 private class ZoomChangeAdapter implements MapView.ZoomChangeListener {
[6084]305 @Override
[2759]306 public void zoomChanged() {
307 updateEnabledState();
308 }
309 }
310
[5958]311 /**
312 * Adapter for MapFrame change events
313 */
314 private class MapFrameAdapter implements MapFrameListener {
315 private ListSelectionListener conflictSelectionListener;
316 private TreeSelectionListener validatorSelectionListener;
317
318 public MapFrameAdapter() {
319 if (mode.equals("conflict")) {
320 conflictSelectionListener = new ListSelectionListener() {
321 @Override public void valueChanged(ListSelectionEvent e) {
322 updateEnabledState();
323 }
324 };
325 } else if (mode.equals("problem")) {
326 validatorSelectionListener = new TreeSelectionListener() {
327 @Override public void valueChanged(TreeSelectionEvent e) {
328 updateEnabledState();
329 }
330 };
331 }
332 }
333
334 @Override public void mapFrameInitialized(MapFrame oldFrame, MapFrame newFrame) {
335 if (conflictSelectionListener != null) {
336 if (newFrame != null) {
337 newFrame.conflictDialog.addListSelectionListener(conflictSelectionListener);
338 } else if (oldFrame != null) {
339 oldFrame.conflictDialog.removeListSelectionListener(conflictSelectionListener);
340 }
341 } else if (validatorSelectionListener != null) {
342 if (newFrame != null) {
343 newFrame.validatorDialog.addTreeSelectionListener(validatorSelectionListener);
344 } else if (oldFrame != null) {
345 oldFrame.validatorDialog.removeTreeSelectionListener(validatorSelectionListener);
346 }
347 }
348 }
349 }
[403]350}
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