source: osm/applications/editors/josm/plugins/utilsplugin/UtilsPlugin/DeduplicateWayAction.java@ 5075

package UtilsPlugin;

import static org.openstreetmap.josm.tools.I18n.tr;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Collection;

import java.awt.event.ActionEvent;

import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.Node;
import org.openstreetmap.josm.data.osm.Segment;
import org.openstreetmap.josm.data.osm.Way;
import org.openstreetmap.josm.gui.MapFrame;
import org.openstreetmap.josm.command.Command;
import org.openstreetmap.josm.command.ChangeCommand;
import org.openstreetmap.josm.command.SequenceCommand;

import javax.swing.AbstractAction;

class DeduplicateWayAction extends AbstractAction {
        public DeduplicateWayAction() {
                super("Deduplicate Way");
        }
        public void actionPerformed(ActionEvent e) {
                Collection<OsmPrimitive> sel = Main.ds.getSelected();
                Collection<Way> ways = new ArrayList<Way>();
                for (OsmPrimitive osm : sel)
                        if (osm instanceof Way)
                                ways.add((Way)osm);

                Collection<Command> cmds = new LinkedList<Command>();
                for ( Way w : ways )
                {
                        List<Segment> segs = new ArrayList<Segment>();
                        
                        for ( Segment s : w.segments )
                        {
                                if( !segs.contains(s) )
                                        segs.add(s);
                        }
                        if( segs.size() != w.segments.size() )
                        {
                                Way newway = new Way(w);
                                newway.segments.clear();
                                newway.segments.addAll(segs);
                                cmds.add(new ChangeCommand(w,newway));
                        }
                }
                if( cmds.size() != 0 )
                        Main.main.editLayer().add(new SequenceCommand(tr("Deduplicate Ways"), cmds));
                Main.map.repaint();
        }
}