/*
* Copyright (c) 2007-2011 by The Broad Institute of MIT and Harvard. All Rights Reserved.
*
* This software is licensed under the terms of the GNU Lesser General Public License (LGPL),
* Version 2.1 which is available at http://www.opensource.org/licenses/lgpl-2.1.php.
*
* THE SOFTWARE IS PROVIDED "AS IS." THE BROAD AND MIT MAKE NO REPRESENTATIONS OR
* WARRANTES OF ANY KIND CONCERNING THE SOFTWARE, EXPRESS OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, NONINFRINGEMENT, OR THE ABSENCE OF LATENT OR OTHER DEFECTS, WHETHER
* OR NOT DISCOVERABLE. IN NO EVENT SHALL THE BROAD OR MIT, OR THEIR RESPECTIVE
* TRUSTEES, DIRECTORS, OFFICERS, EMPLOYEES, AND AFFILIATES BE LIABLE FOR ANY DAMAGES
* OF ANY KIND, INCLUDING, WITHOUT LIMITATION, INCIDENTAL OR CONSEQUENTIAL DAMAGES,
* ECONOMIC DAMAGES OR INJURY TO PROPERTY AND LOST PROFITS, REGARDLESS OF WHETHER
* THE BROAD OR MIT SHALL BE ADVISED, SHALL HAVE OTHER REASON TO KNOW, OR IN FACT
* SHALL KNOW OF THE POSSIBILITY OF THE FOREGOING.
*/
package org.broad.igv.ui.util;
import org.broad.igv.ui.IGV;
import org.broad.igv.session.History;
import javax.swing.*;
import javax.swing.event.MenuEvent;
import javax.swing.event.MenuListener;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.List;
/**
* @author jrobinso
* @date Sep 1, 2010
*/
public class HistoryMenu extends JMenu {
static int MAX_ITEMS = 30;
private JMenuItem backItem;
private JMenuItem forwardItem;
private JMenuItem clearAllItem;
public HistoryMenu() {
this("History");
}
public HistoryMenu(String name) {
super(name);
final History history = IGV.getInstance().getSession().getHistory();
clearAllItem = new JMenuItem("Clear all");
clearAllItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
history.clear();
}
});
//backItem = new JMenuItem("<html>Back <i>Alt →");
backItem = new JMenuItem("Back Alt+Arrow");
backItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
history.back();
}
});
forwardItem = new JMenuItem("Forward Alt+Arrow");
forwardItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
history.forward();
}
});
this.addMenuListener(new MenuListener() {
public void menuSelected(MenuEvent menuEvent) {
final History history = IGV.getInstance().getSession().getHistory();
List<History.Entry> allLoci = IGV.getInstance().getSession().getAllHistory();
boolean hasBack = history.peekBack() != null;
boolean hasForward = history.peekForward() != null;
backItem.setEnabled(hasBack);
forwardItem.setEnabled(hasForward);
clearAllItem.setEnabled(allLoci.size() > 0);
// Update history list
removeAll();
add(backItem);
add(forwardItem);
addSeparator();
int nItems = 0;
// Do in reverse order
for (int idx = allLoci.size() - 1; idx >= 0; idx--) {
final History.Entry s = allLoci.get(idx);
final JMenuItem item = new JMenuItem(s.toString());
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
IGV.getInstance().getSession().getHistory().processItem(s);
}
});
add(item);
if (nItems++ > MAX_ITEMS) {
break;
}
}
addSeparator();
add(clearAllItem);
}
public void menuDeselected(MenuEvent menuEvent) {
//To change body of implemented methods use File | Settings | File Templates.
}
public void menuCanceled(MenuEvent menuEvent) {
//To change body of implemented methods use File | Settings | File Templates.
}
});
}
}