| 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 |
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| 6 | import java.awt.event.ActionEvent;
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| 7 | import java.awt.event.KeyEvent;
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| 8 | import java.util.Collection;
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| 9 | import java.util.Collections;
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| 10 | import java.util.LinkedList;
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| 11 |
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| 12 | import javax.swing.JOptionPane;
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| 13 |
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| 14 | import org.openstreetmap.josm.Main;
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| 15 | import org.openstreetmap.josm.command.ChangeCommand;
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| 16 | import org.openstreetmap.josm.command.Command;
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| 17 | import org.openstreetmap.josm.command.SequenceCommand;
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| 18 | import org.openstreetmap.josm.data.osm.Relation;
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| 19 | import org.openstreetmap.josm.data.osm.Node;
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| 20 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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| 21 | import org.openstreetmap.josm.data.osm.Way;
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| 22 | import org.openstreetmap.josm.data.osm.visitor.Visitor;
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| 23 |
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| 24 | public final class ReverseWayAction extends JosmAction {
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| 25 |
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| 26 | public ReverseWayAction() {
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| 27 | super(tr("Reverse ways"), "wayflip",
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| 28 | tr("Reverse the direction of all selected ways."),
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| 29 | KeyEvent.VK_R, KeyEvent.CTRL_MASK | KeyEvent.SHIFT_MASK, true);
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| 30 | }
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| 31 |
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| 32 | public void actionPerformed(ActionEvent e) {
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| 33 | final Collection<Way> sel = new LinkedList<Way>();
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| 34 | new Visitor(){
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| 35 | public void visit(Node n) {}
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| 36 | public void visit(Way w) {sel.add(w);}
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| 37 | public void visit(Relation e){}
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| 38 | public void visitAll() {
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| 39 | for (OsmPrimitive osm : Main.ds.getSelected())
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| 40 | osm.visit(this);
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| 41 | }
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| 42 | }.visitAll();
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| 43 |
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| 44 | if (sel.isEmpty()) {
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| 45 | JOptionPane.showMessageDialog(Main.parent,
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| 46 | tr("Please select at least one way."));
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| 47 | return;
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| 48 | }
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| 49 | Collection<Command> c = new LinkedList<Command>();
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| 50 | for (Way w : sel) {
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| 51 | Way wnew = new Way(w);
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| 52 | Collections.reverse(wnew.nodes);
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| 53 | c.add(new ChangeCommand(w, wnew));
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| 54 | }
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| 55 | Main.main.undoRedo.add(new SequenceCommand(tr("Reverse ways"), c));
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| 56 | Main.map.repaint();
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| 57 | }
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| 58 | }
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