// **********************************************************************
//
// <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/NavigateMenu.java,v $
// $RCSfile: NavigateMenu.java,v $
// $Revision: 1.8.2.2 $
// $Date: 2004/10/14 18:26:53 $
// $Author: dietrick $
//
// **********************************************************************
package com.bbn.openmap.gui;
import javax.swing.*;
import java.awt.event.*;
import com.bbn.openmap.I18n;
import com.bbn.openmap.MapBean;
import com.bbn.openmap.gui.menu.CoordsMenuItem;
import com.bbn.openmap.gui.menu.ProjectionMenu;
import com.bbn.openmap.util.Debug;
import com.bbn.openmap.event.ZoomEvent;
import com.bbn.openmap.event.ZoomListener;
import com.bbn.openmap.event.ZoomSupport;
/**
* Provides MenuItems that lets users control the projection. This
* includes providing a means to call up the Coordinate Window to let
* users enter coordinates to center the map, a projection choice
* menu, and zooming choices.
*/
public class NavigateMenu extends AbstractOpenMapMenu implements ActionListener {
public static final String defaultText = "Navigate";
public static final String defaultMnemonic = "N";
protected ZoomSupport zoomSupport = new ZoomSupport(this);
public final static transient String zoomIn2Cmd = "zoomIn2Cmd";
public final static transient String zoomIn4Cmd = "zoomIn4Cmd";
public final static transient String zoomOut2Cmd = "zoomOut2Cmd";
public final static transient String zoomOut4Cmd = "zoomOut4Cmd";
/**
* This constructor automatically configures the Menu to have
* choices to bring up the Coordinates Window, the projection
* choice menu, and the zoom menus.
*/
public NavigateMenu() {
super();
setText(i18n.get(this, "navigate", defaultText));
setMnemonic(i18n.get(this, "navigate", I18n.MNEMONIC, defaultMnemonic)
.charAt(0));
add(new CoordsMenuItem());
JMenuItem mi;
JMenu submenu = (JMenu) add(new JMenu(i18n.get(this,
"zoomIn",
"Zoom In")));
mi = (JMenuItem) submenu.add(new JMenuItem(i18n.get(this,
"zoomIn2X",
"2X")));
mi.setActionCommand(zoomIn2Cmd);
mi.addActionListener(this);
mi = (JMenuItem) submenu.add(new JMenuItem(i18n.get(this,
"zoomIn4X",
"4X")));
mi.setActionCommand(zoomIn4Cmd);
mi.addActionListener(this);
submenu = (JMenu) add(new JMenu(i18n.get(this, "zoomOut", "Zoom Out")));
mi = (JMenuItem) submenu.add(new JMenuItem(i18n.get(this,
"zoomOut2X",
"2X")));
mi.setActionCommand(zoomOut2Cmd);
mi.addActionListener(this);
mi = (JMenuItem) submenu.add(new JMenuItem(i18n.get(this,
"zoomOut4X",
"4X")));
mi.setActionCommand(zoomOut4Cmd);
mi.addActionListener(this);
add(new ProjectionMenu());
}
/**
* ActionListener interface, lets the Menu act on the actions of
* the MenuItems.
*/
public void actionPerformed(ActionEvent ae) {
String command = ae.getActionCommand();
Debug.message("navigatemenu", "NavigateMenu.actionPerformed(): "
+ command);
if (command.equals(zoomIn2Cmd)) {
fireZoom(ZoomEvent.RELATIVE, 0.5f);
} else if (command.equals(zoomIn4Cmd)) {
fireZoom(ZoomEvent.RELATIVE, 0.25f);
} else if (command.equals(zoomOut2Cmd)) {
fireZoom(ZoomEvent.RELATIVE, 2.0f);
} else if (command.equals(zoomOut4Cmd)) {
fireZoom(ZoomEvent.RELATIVE, 4.0f);
}
}
/*----------------------------------------------------------------------
* Zoom Support - for broadcasting zoom events
*----------------------------------------------------------------------
*/
/**
*
*/
public synchronized void addZoomListener(ZoomListener l) {
zoomSupport.addZoomListener(l);
}
/**
*
*/
public synchronized void removeZoomListener(ZoomListener l) {
zoomSupport.removeZoomListener(l);
}
/**
*
*/
public void fireZoom(int zoomType, float amount) {
zoomSupport.fireZoom(zoomType, amount);
}
public void findAndInit(Object someObj) {
super.findAndInit(someObj);
if (someObj instanceof MapBean) {
addZoomListener((MapBean) someObj);
}
}
public void findAndUndo(Object someObj) {
super.findAndUndo(someObj);
if (someObj instanceof MapBean) {
removeZoomListener((MapBean) someObj);
}
}
}