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/*
* FindBugs - Find Bugs in Java programs
* Copyright (C) 2006, University of Maryland
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.gui2;
import java.io.File;
import java.util.ArrayList;
import javax.swing.JMenu;
/**
* @author Dan
*/
public class RecentMenu {
private static class LimitedArrayList extends ArrayList {
public static final int MAX_ENTRIES = 5;
public LimitedArrayList() {
super(MAX_ENTRIES);
}
@Override
public boolean add(T element) {
if (!this.contains(element)) {
super.add(0, element);
if (this.size() > MAX_ENTRIES) {
this.remove(MAX_ENTRIES);
}
} else {
this.remove(element);
super.add(0, element);
}
return true;
}
}
LimitedArrayList recentFiles;// Originally called recentProjects
// before merge two lists into one.
JMenu recentMenu;
public RecentMenu(JMenu menu) {
recentFiles = new LimitedArrayList();
recentMenu = menu;
for (File f : GUISaveState.getInstance().getRecentFiles()) {
recentFiles.add(f);
}
makeRecentMenu();
}
public void makeRecentMenu() {
recentMenu.removeAll();
for (File f : recentFiles) {
Debug.println(f);
if (!f.exists()) {
if (MainFrame.GUI2_DEBUG) {
System.err.println("a recent project was not found, removing it from menu");
}
continue;
}
recentMenu.add(MainFrame.getInstance().createRecentItem(f, SaveType.forFile(f)));
}
}
/**
* Adds a file to the list of recent files used.
*
* @param f
*/
public void addRecentFile(final File f) {
if (f != null) {
recentFiles.add(f);
}
makeRecentMenu();
}
}