| 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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