1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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2 | package org.openstreetmap.josm.actions;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.marktr;
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5 | import static org.openstreetmap.josm.tools.I18n.tr;
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6 |
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7 | import java.awt.event.ActionEvent;
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8 | import java.awt.event.KeyEvent;
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9 | import java.util.Collection;
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10 |
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11 | import javax.swing.JOptionPane;
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12 |
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13 | import org.openstreetmap.josm.Main;
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14 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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15 | import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
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16 | import org.openstreetmap.josm.gui.layer.Layer;
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17 | import org.openstreetmap.josm.tools.Shortcut;
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18 |
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19 | /**
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20 | * Toggles the autoScale feature of the mapView
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21 | * @author imi
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22 | */
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23 | public class AutoScaleAction extends JosmAction {
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24 |
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25 | public static final String[] modes = { marktr("data"), marktr("layer"), marktr("selection"), marktr("conflict") };
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26 | private final String mode;
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27 |
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28 | private static int getModeShortcut(String mode) {
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29 | int shortcut = -1;
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30 |
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31 | if (mode.equals("data")) {
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32 | shortcut = KeyEvent.VK_1;
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33 | }
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34 | if (mode.equals("layer")) {
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35 | shortcut = KeyEvent.VK_2;
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36 | }
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37 | if (mode.equals("selection")) {
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38 | shortcut = KeyEvent.VK_3;
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39 | }
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40 | if (mode.equals("conflict")) {
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41 | shortcut = KeyEvent.VK_4;
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42 | }
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43 |
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44 | return shortcut;
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45 | }
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46 |
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47 | public AutoScaleAction(String mode) {
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48 | super(tr("Zoom to {0}", tr(mode)), "dialogs/autoscale/" + mode, tr("Zoom the view to {0}.", tr(mode)),
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49 | Shortcut.registerShortcut("view:zoom"+mode, tr("View: {0}", tr("Zoom to {0}", tr(mode))), getModeShortcut(mode), Shortcut.GROUP_EDIT), true);
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50 | String modeHelp = Character.toUpperCase(mode.charAt(0)) + mode.substring(1);
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51 | putValue("help", "Action/AutoScale/" + modeHelp);
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52 | this.mode = mode;
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53 | }
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54 |
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55 | public void actionPerformed(ActionEvent e) {
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56 | if (Main.map != null) {
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57 | BoundingXYVisitor bbox = getBoundingBox();
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58 | if (bbox != null) {
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59 | Main.map.mapView.recalculateCenterScale(bbox);
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60 | }
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61 | }
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62 | putValue("active", true);
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63 | }
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64 |
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65 | private BoundingXYVisitor getBoundingBox() {
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66 | BoundingXYVisitor v = new BoundingXYVisitor();
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67 | if (mode.equals("data")) {
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68 | for (Layer l : Main.map.mapView.getAllLayers())
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69 | l.visitBoundingBox(v);
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70 | } else if (mode.equals("layer"))
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71 | Main.map.mapView.getActiveLayer().visitBoundingBox(v);
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72 | else if (mode.equals("selection") || mode.equals("conflict")) {
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73 | Collection<OsmPrimitive> sel = mode.equals("selection") ? Main.ds.getSelected()
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74 | : Main.map.conflictDialog.conflicts.keySet();
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75 | if (sel.isEmpty()) {
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76 | JOptionPane.showMessageDialog(Main.parent,
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77 | mode.equals("selection") ? tr("Nothing selected to zoom to.") : tr("No conflicts to zoom to"));
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78 | return null;
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79 | }
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80 | for (OsmPrimitive osm : sel)
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81 | osm.visit(v);
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82 | // increase bbox by 0.001 degrees on each side. this is required
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83 | // especially if the bbox contains one single node, but helpful
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84 | // in most other cases as well.
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85 | v.enlargeBoundingBox();
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86 | }
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87 | return v;
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88 | }
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89 | }
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