001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.actions; 003 004import static org.openstreetmap.josm.gui.help.HelpUtil.ht; 005import static org.openstreetmap.josm.tools.I18n.tr; 006 007import java.awt.event.ActionEvent; 008import java.awt.event.KeyEvent; 009import java.util.Collections; 010 011import org.openstreetmap.josm.command.AddCommand; 012import org.openstreetmap.josm.data.UndoRedoHandler; 013import org.openstreetmap.josm.data.coor.LatLon; 014import org.openstreetmap.josm.data.osm.DataSet; 015import org.openstreetmap.josm.data.osm.Node; 016import org.openstreetmap.josm.data.osm.OsmPrimitive; 017import org.openstreetmap.josm.gui.MainApplication; 018import org.openstreetmap.josm.gui.MapView; 019import org.openstreetmap.josm.gui.dialogs.LatLonDialog; 020import org.openstreetmap.josm.tools.Shortcut; 021 022/** 023 * This action displays a dialog where the user can enter a latitude and longitude, 024 * and when ok is pressed, a new node is created at the specified position. 025 */ 026public final class AddNodeAction extends JosmAction { 027 // remember input from last time 028 private String textLatLon, textEastNorth; 029 030 /** 031 * Constructs a new {@code AddNodeAction}. 032 */ 033 public AddNodeAction() { 034 super(tr("Add Node..."), "addnode", tr("Add a node by entering latitude / longitude or easting / northing."), 035 Shortcut.registerShortcut("addnode", tr("Edit: {0}", tr("Add Node...")), 036 KeyEvent.VK_D, Shortcut.SHIFT), true); 037 setHelpId(ht("/Action/AddNode")); 038 } 039 040 @Override 041 public void actionPerformed(ActionEvent e) { 042 if (!isEnabled()) 043 return; 044 045 LatLonDialog dialog = new LatLonDialog(MainApplication.getMainFrame(), tr("Add Node..."), ht("/Action/AddNode")); 046 047 if (textLatLon != null) { 048 dialog.setLatLonText(textLatLon); 049 } 050 if (textEastNorth != null) { 051 dialog.setEastNorthText(textEastNorth); 052 } 053 054 dialog.showDialog(); 055 056 if (dialog.getValue() != 1) 057 return; 058 059 LatLon coordinates = dialog.getCoordinates(); 060 if (coordinates == null) 061 return; 062 063 textLatLon = dialog.getLatLonText(); 064 textEastNorth = dialog.getEastNorthText(); 065 066 Node nnew = new Node(coordinates); 067 068 // add the node 069 DataSet ds = getLayerManager().getEditDataSet(); 070 UndoRedoHandler.getInstance().add(new AddCommand(ds, nnew)); 071 ds.setSelected(nnew); 072 MapView mapView = MainApplication.getMap().mapView; 073 if (mapView != null && !mapView.getRealBounds().contains(nnew.getCoor())) { 074 AutoScaleAction.zoomTo(Collections.<OsmPrimitive>singleton(nnew)); 075 } 076 } 077 078 @Override 079 protected void updateEnabledState() { 080 setEnabled(getLayerManager().getEditLayer() != null); 081 } 082}