coorddialog.java

openmap java写的开源数字地图程序. 用applet实现,可以像google map 那样放大缩小地图.

// **********************************************************************
// 
// <copyright>
// 
//  BBN Technologies
//  10 Moulton Street
//  Cambridge, MA 02138
//  [phone]
// 
//  Copyright (C) BBNT Solutions LLC. All rights reserved.
// 
// </copyright>
// **********************************************************************
// 
// $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/gui/CoordDialog.java,v $
// $RCSfile: CoordDialog.java,v $
// $Revision: 1.6.2.2 $
// $Date: 2004/10/14 18:26:51 $
// $Author: dietrick $
// 
// **********************************************************************

package com.bbn.openmap.gui;

import com.bbn.openmap.*;
import com.bbn.openmap.event.CenterListener;
import com.bbn.openmap.Environment;
import com.bbn.openmap.I18n;

import javax.swing.*;

import java.awt.event.*;
import java.io.Serializable;

/**
 * A Dialog box wrapper for a CombinedCoordPanel.
 */
public class CoordDialog extends JDialog implements Serializable,
        ActionListener, LightMapHandlerChild {

    protected transient CombinedCoordPanel ccp;

    protected I18n i18n = Environment.getI18n();

    /**
     * Creates a Dialog Box with a CombinedCoordPanel.
     */
    public CoordDialog() {
        super();
        setTitle(i18n.get(CoordDialog.class,
                "defaultTitle",
                "Go To Coordinates"));
        setup();
    }

    /**
     * Creates a Dialog Box with a CombinedCoordPanel with a specified
     * title and comment.
     */
    public CoordDialog(String title, String comment) {
        super();
        setTitle(title);
        setup(comment);
    }

    /**
     * Creates a CoordPanel (which has latitude and longitude entry
     * boxes) and Apply and Close buttons
     */
    protected void setup() {
        ccp = new CombinedCoordPanel(this);
        getContentPane().add(ccp);
    }

    protected void setup(String comment) {
        ccp = new CombinedCoordPanel(comment, this);
        getContentPane().add(ccp);
    }

    public void actionPerformed(java.awt.event.ActionEvent e) {
        if (e.getActionCommand() == CombinedCoordPanel.CloseCmd) {
            setVisible(false);
        }
    }

    /**
     * @return the LatLonPoint represented by contents of the entry
     *         boxes in the CoordPanel
     */
    public LatLonPoint getLatLon() {
        return ccp.getLatLon();
    }

    /**
     * Sets the contents of the latitude and longitude entry boxes in
     * CoordPanel
     * 
     * @param llpoint the object containt the coordinates that should
     *        go in the boxes
     */
    public void setLatLon(LatLonPoint llpoint) {
        ccp.setLatLon(llpoint);
    }

    /**
     * Add a CenterListener to the CombinedCoordPanel to receive
     * events when the apply button is hit.
     * 
     * @param listener The CenterListener to be added
     */
    public void addCenterListener(CenterListener listener) {
        ccp.addCenterListener(listener);
    }

    /**
     * Remove a CenterListener from the listener list.
     * 
     * @param listener The CenterListener to be removed
     */
    public void removeCenterListener(CenterListener listener) {
        ccp.removeCenterListener(listener);
    }

    /**
     * LightMapHandlerChild method. The CoordDialog passes all objects
     * to the CombinedCoordPanel.
     */
    public void findAndInit(Object someObj) {
        ccp.findAndInit(someObj);
    }

    /**
     * LightMapHandlerChild method. The CoordDialog passes all objects
     * to the CombinedCoordPanel.
     */
    public void findAndUndo(Object someObj) {
        ccp.findAndUndo(someObj);
    }

}