| 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.tr;
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| 5 | import static org.xnap.commons.i18n.I18n.marktr;
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| 6 |
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| 7 | import java.awt.event.ActionEvent;
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| 8 | import java.util.Collection;
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| 9 |
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| 10 | import javax.swing.JOptionPane;
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| 11 |
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| 12 | import org.openstreetmap.josm.Main;
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| 13 | import org.openstreetmap.josm.data.coor.EastNorth;
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| 14 | import org.openstreetmap.josm.data.coor.LatLon;
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| 15 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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| 16 | import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
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| 17 | import org.openstreetmap.josm.gui.layer.Layer;
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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 = {
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| 26 | marktr("data"),
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| 27 | marktr("selection"),
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| 28 | marktr("layer"),
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| 29 | marktr("conflict")
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| 30 | };
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| 31 | private final String mode;
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| 32 |
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| 33 | public AutoScaleAction(String mode) {
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| 34 | super(tr("Zoom to {0}", mode), "dialogs/autoscale/"+mode, tr("Zoom the view to {0}.", tr(mode)), 0, 0, true);
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| 35 | String modeHelp = Character.toUpperCase(mode.charAt(0))+mode.substring(1);
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| 36 | putValue("help", "Action/AutoScale/"+modeHelp);
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| 37 | this.mode = mode;
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| 38 | }
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| 39 |
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| 40 | public void actionPerformed(ActionEvent e) {
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| 41 | if (Main.map != null) {
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| 42 | BoundingXYVisitor bbox = getBoundingBox();
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| 43 | if (bbox != null) {
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| 44 | Main.map.mapView.recalculateCenterScale(bbox);
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| 45 | }
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| 46 | }
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| 47 | putValue("active", true);
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| 48 | }
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| 49 |
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| 50 | private BoundingXYVisitor getBoundingBox() {
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| 51 | BoundingXYVisitor v = new BoundingXYVisitor();
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| 52 | if (mode.equals("data")) {
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| 53 | for (Layer l : Main.map.mapView.getAllLayers())
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| 54 | l.visitBoundingBox(v);
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| 55 | } else if (mode.equals("layer"))
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| 56 | Main.map.mapView.getActiveLayer().visitBoundingBox(v);
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| 57 | else if (mode.equals("selection") || mode.equals("conflict")) {
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| 58 | Collection<OsmPrimitive> sel = mode.equals("selection") ? Main.ds.getSelected() : Main.map.conflictDialog.conflicts.keySet();
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| 59 | if (sel.isEmpty()) {
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| 60 | JOptionPane.showMessageDialog(Main.parent,
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| 61 | mode.equals("selection") ? tr("Nothing selected to zoom to.") : tr("No conflicts to zoom to"));
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| 62 | return null;
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| 63 | }
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| 64 | for (OsmPrimitive osm : sel)
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| 65 | osm.visit(v);
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| 66 | // special case to zoom nicely to one single node
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| 67 | if (v.min != null && v.max != null && v.min.north() == v.max.north() && v.min.east() == v.max.east()) {
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| 68 | EastNorth en = Main.proj.latlon2eastNorth(new LatLon(0.02, 0.02));
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| 69 | v.min = new EastNorth(v.min.east()-en.east(), v.min.north()-en.north());
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| 70 | v.max = new EastNorth(v.max.east()+en.east(), v.max.north()+en.north());
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| 71 | }
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| 72 | }
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| 73 | return v;
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| 74 | }
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| 75 | }
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