| 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.gui.help.HelpUtil.ht;
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| 5 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 6 |
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| 7 | import java.awt.GridBagLayout;
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| 8 | import java.awt.event.ActionEvent;
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| 9 | import java.awt.event.KeyEvent;
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| 10 | import java.awt.event.WindowAdapter;
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| 11 | import java.awt.event.WindowEvent;
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| 12 |
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| 13 | import javax.swing.JDialog;
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| 14 | import javax.swing.JLabel;
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| 15 | import javax.swing.JOptionPane;
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| 16 | import javax.swing.JPanel;
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| 17 | import javax.swing.JTextField;
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| 18 |
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| 19 | import org.openstreetmap.josm.Main;
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| 20 | import org.openstreetmap.josm.command.AddCommand;
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| 21 | import org.openstreetmap.josm.data.coor.LatLon;
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| 22 | import org.openstreetmap.josm.data.osm.Node;
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| 23 | import org.openstreetmap.josm.tools.GBC;
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| 24 | import org.openstreetmap.josm.tools.Shortcut;
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| 25 |
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| 26 | /**
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| 27 | * This action displays a dialog where the user can enter a latitude and longitude,
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| 28 | * and when ok is pressed, a new node is created at the specified position.
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| 29 | */
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| 30 | public final class AddNodeAction extends JosmAction {
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| 31 |
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| 32 | public AddNodeAction() {
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| 33 | super(tr("Add Node..."), "addnode", tr("Add a node by entering latitude and longitude."),
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| 34 | Shortcut.registerShortcut("addnode", tr("Edit: {0}", tr("Add Node...")), KeyEvent.VK_D, Shortcut.GROUP_EDIT,
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| 35 | Shortcut.SHIFT_DEFAULT), true);
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| 36 | putValue("help", ht("/Action/AddNode"));
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| 37 | }
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| 38 |
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| 39 | private String normalizeUserInputForLatLonValue(String value) {
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| 40 | if (value == null) return null;
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| 41 | value = value.trim();
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| 42 | return value.replaceAll("\u00B0", ""); // the degree symbol
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| 43 | }
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| 44 |
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| 45 | public void actionPerformed(ActionEvent e) {
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| 46 | // we abort if we are not in the context of an OsmDataLayer
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| 47 | //
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| 48 | if (!isEnabled())
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| 49 | return;
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| 50 |
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| 51 | JPanel p = new JPanel(new GridBagLayout());
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| 52 | p.add(new JLabel("<html>"+
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| 53 | tr("Enter the coordinates for the new node.") +
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| 54 | "<br>" + tr("Use decimal degrees.") +
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| 55 | "<br>" + tr("Negative values denote Western/Southern hemisphere.")),
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| 56 | GBC.eol());
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| 57 |
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| 58 | p.add(new JLabel(tr("Latitude")), GBC.std().insets(0,10,5,0));
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| 59 | final JTextField lat = new JTextField(12);
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| 60 | p.add(lat, GBC.eol().insets(0,10,0,0));
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| 61 | p.add(new JLabel(tr("Longitude")), GBC.std().insets(0,0,5,10));
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| 62 | final JTextField lon = new JTextField(12);
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| 63 | p.add(lon, GBC.eol().insets(0,0,0,10));
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| 64 |
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| 65 | Node nnew = null;
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| 66 |
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| 67 | while(nnew == null) {
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| 68 | JOptionPane pane = new JOptionPane(p, JOptionPane.PLAIN_MESSAGE, JOptionPane.OK_CANCEL_OPTION);
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| 69 | JDialog dialog = pane.createDialog(Main.parent, tr("Add Node..."));
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| 70 | dialog.addWindowListener(new WindowAdapter() {
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| 71 | @Override
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| 72 | public void windowGainedFocus(WindowEvent e) {
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| 73 | lat.selectAll();
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| 74 | lat.requestFocusInWindow();
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| 75 | }
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| 76 | }
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| 77 | );
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| 78 | dialog.setVisible(true);
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| 79 |
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| 80 | if (!Integer.valueOf(JOptionPane.OK_OPTION).equals(pane.getValue()))
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| 81 | return;
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| 82 | try {
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| 83 | LatLon ll = new LatLon(
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| 84 | Double.parseDouble(
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| 85 | normalizeUserInputForLatLonValue(lat.getText())
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| 86 | ),
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| 87 | Double.parseDouble(
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| 88 | normalizeUserInputForLatLonValue(lon.getText())
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| 89 | )
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| 90 | );
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| 91 | if (!ll.isOutSideWorld()) {
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| 92 | nnew = new Node(ll);
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| 93 | }
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| 94 | } catch (Exception ex) {
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| 95 | ex.printStackTrace();
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| 96 | JOptionPane.showMessageDialog(
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| 97 | Main.parent,
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| 98 | tr("Could not create a node with the entered latitude/longitude."),
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| 99 | tr("Illegal lat/lon value"),
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| 100 | JOptionPane.ERROR_MESSAGE
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| 101 | );
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| 102 | }
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| 103 | }
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| 104 |
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| 105 | /* Now execute the commands to add the dupicated contents of the paste buffer to the map */
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| 106 | Main.main.undoRedo.add(new AddCommand(nnew));
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| 107 | getCurrentDataSet().setSelected(nnew);
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| 108 | Main.map.mapView.repaint();
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| 109 | }
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| 110 |
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| 111 | @Override
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| 112 | protected void updateEnabledState() {
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| 113 | setEnabled(getEditLayer() != null);
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| 114 | }
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| 115 | }
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