// **********************************************************************
//
// <copyright>
//
// BBN Technologies
// 10 Moulton Street
// Cambridge, MA 02138
// (617) 873-8000
//
// Copyright (C) BBNT Solutions LLC. All rights reserved.
//
// </copyright>
// **********************************************************************
//
// $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/gui/MGRSCoordPanel.java,v $
// $RCSfile: MGRSCoordPanel.java,v $
// $Revision: 1.3.2.3 $
// $Date: 2005/08/09 17:59:30 $
// $Author: dietrick $
//
// **********************************************************************
package com.bbn.openmap.gui;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.io.Serializable;
import javax.swing.*;
import javax.swing.border.*;
import com.bbn.openmap.LatLonPoint;
import com.bbn.openmap.event.CenterSupport;
import com.bbn.openmap.proj.coords.MGRSPoint;
/**
* MGRSCoordPanel is a simple gui with an entry box for a MGRS
* coordinate. It sets the center of a map by firing CenterEvents.
*/
public class MGRSCoordPanel extends CoordPanel implements Serializable {
protected transient JTextField mgrs;
/**
* Creates the panel.
*/
public MGRSCoordPanel() {
super();
}
/**
* Creates the panel.
*/
public MGRSCoordPanel(CenterSupport support) {
super(support);
}
/**
* Creates and adds the labels and entry fields for latitude and
* longitude
*/
protected void makeWidgets() {
String locText;
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
setLayout(gridbag);
locText = i18n.get(MGRSCoordPanel.class, "border", "MGRS Coordinate");
setBorder(new TitledBorder(new EtchedBorder(), locText));
locText = i18n.get(MGRSCoordPanel.class, "mgrsLabel", "MGRS: ");
JLabel mgrsLabel = new JLabel(locText);
c.gridx = 0;
gridbag.setConstraints(mgrsLabel, c);
add(mgrsLabel);
mgrs = new JTextField(20);
c.gridx = 1;
gridbag.setConstraints(mgrs, c);
add(mgrs);
}
/**
* @return the LatLonPoint represented by contents of the entry
* boxes
*/
public LatLonPoint getLatLon() {
try {
// Allow blank minutes and seconds fields to represent zero
return new MGRSPoint(mgrs.getText()).toLatLonPoint();
} catch (NumberFormatException except) {
// System.out.println(except.toString());
clearTextBoxes();
}
return null;
}
/**
* Sets the contents of the latitude and longitude entry boxes
*
* @param llpoint the object containing the coordinates that
* should go in the boxes.
*/
public void setLatLon(LatLonPoint llpoint) {
if (llpoint == null) {
clearTextBoxes();
return;
}
MGRSPoint mgrsp = new MGRSPoint(llpoint);
mgrs.setText(mgrsp.getMGRS());
}
protected void clearTextBoxes() {
mgrs.setText("");
}
}