// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.plugins.utilsplugin2.latlon;
import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.util.Collection;
import java.util.LinkedList;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.JosmAction;
import org.openstreetmap.josm.command.AddCommand;
import org.openstreetmap.josm.command.Command;
import org.openstreetmap.josm.command.SequenceCommand;
import org.openstreetmap.josm.data.coor.LatLon;
import org.openstreetmap.josm.data.osm.Node;
import org.openstreetmap.josm.data.osm.Way;
import org.openstreetmap.josm.tools.Shortcut;
/**
* This action displays a dialog where the user can enter a latitude and longitude,
* and when ok is pressed, a new node is created at the specified position.
*/
public final class LatLonAction extends JosmAction {
// remember input from last time
private String textLatLon;
public LatLonAction() {
super(tr("Lat Lon tool"), "latlon", tr("Create geometry by entering lat lon coordinates for it."),
Shortcut.registerShortcut("latlon", tr("Edit: {0}", tr("Lat Lon tool")), KeyEvent.VK_L, Shortcut.CTRL_SHIFT), true);
putValue("help", ht("/Action/AddNode"));
}
@Override
public void actionPerformed(ActionEvent e) {
if (!isEnabled())
return;
LatLonDialog dialog = new LatLonDialog(Main.parent, tr("Add Node..."), ht("/Action/AddNode"));
if (textLatLon != null) {
dialog.setLatLonText(textLatLon);
}
dialog.showDialog();
if (dialog.getValue() != 1)
return;
LatLon[] coordinates = dialog.getCoordinates();
String type = dialog.getGeomType();
if (coordinates == null)
return;
textLatLon = dialog.getLatLonText();
// we create a list of commands that will modify the map in the way we want.
Collection<Command> cmds = new LinkedList<>();
// first we create all the nodes, then we do extra stuff based on what geometry type we need.
LinkedList<Node> nodes = new LinkedList<>();
for (LatLon ll : coordinates) {
Node nnew = new Node(ll);
nodes.add(nnew);
cmds.add(new AddCommand(nnew));
}
if ("nodes".equals(type)) {
//we dont need to do anything, we already have all the nodes
} else if ("way".equals(type)) {
Way wnew = new Way();
wnew.setNodes(nodes);
cmds.add(new AddCommand(wnew));
} else if ("area".equals(type)) {
nodes.add(nodes.get(0)); // this is needed to close the way.
Way wnew = new Way();
wnew.setNodes(nodes);
cmds.add(new AddCommand(wnew));
}
Main.main.undoRedo.add(new SequenceCommand(tr("Lat Lon tool"), cmds));
Main.map.mapView.repaint();
}
@Override
protected void updateEnabledState() {
setEnabled(getLayerManager().getEditLayer() != null);
}
}