[Japi-cvs] SF.net SVN: japi:[724] libs/swing-recent/trunk/src

[<chr...@us...>]

Revision: 724
          http://japi.svn.sourceforge.net/japi/?rev=724&view=rev
Author:   christianhujer
Date:     2008-11-30 17:56:31 +0000 (Sun, 30 Nov 2008)

Log Message:
-----------
Added swing-recent source code (moved from historic).

Added Paths:
-----------
    libs/swing-recent/trunk/src/prj/
    libs/swing-recent/trunk/src/prj/net/
    libs/swing-recent/trunk/src/prj/net/sf/
    libs/swing-recent/trunk/src/prj/net/sf/japi/
    libs/swing-recent/trunk/src/prj/net/sf/japi/swing/
    libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/
    libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/PrefsRecentURLs.java
    libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLs.java
    libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsEvent.java
    libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsListener.java
    libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsMenu.java
    libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/action.properties
    libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/action_de.properties
    libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/package.html

Copied: libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/PrefsRecentURLs.java (from rev 635, progs/jeduca/trunk/src/prj/net/sf/japi/progs/jeduca/swing/recent/PrefsRecentURLs.java)
===================================================================
--- libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/PrefsRecentURLs.java	                        (rev 0)
+++ libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/PrefsRecentURLs.java	2008-11-30 17:56:31 UTC (rev 724)
@@ -0,0 +1,155 @@
+/* JAPI - (Yet another (hopefully) useful) Java API
+ *
+ * Copyright (C) 2004-2006 Christian Hujer
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+package net.sf.japi.swing.recent;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.WeakHashMap;
+import java.util.prefs.Preferences;
+import javax.swing.event.EventListenerList;
+
+/** Class for managing recent URLs using Preferences.
+ * It also manages the list of recent URLs.
+ * Warning: The behaviour of creating two PrefsRecentURLs objects for the same class is undefined.
+ * @todo perhaps make this class manage its instances
+ */
+public class PrefsRecentURLs implements RecentURLs {
+
+    /** How many files to show in the last opened list. */
+    private int maxLastOpened;
+
+    /** List with recently opened files. */
+    private List<String> recentlyOpenedURLs = new ArrayList<String>();
+
+    /** List with listeners. */
+    private EventListenerList listeners = new EventListenerList();
+
+    /** The Preferences to manage the recent URLs in. */
+    private Preferences prefs;
+
+    /** The PrefsRecentURls. */
+    private static final Map<Class<?>,PrefsRecentURLs> instances = new WeakHashMap<Class<?>,PrefsRecentURLs>();
+
+    /** Create a new RecentURLs object for managing recent URLs.
+     * Instances created with this constructor are unmanaged.
+     * @param prefs Preferences to use
+     */
+    public PrefsRecentURLs(final Preferences prefs) {
+        this.prefs = prefs;
+        load();
+    }
+
+    /** Create a new RecentURLs object for managing recent URLs.
+     * @param c Class to get Preferences for
+     */
+    private PrefsRecentURLs(final Class<?> c) {
+        prefs = Preferences.userNodeForPackage(c);
+        load();
+    }
+
+    /** Get an instance of PrefsRecentURLs fitting to the supplied class.
+     * @param c Class to get Preferences for
+     * @return RecentURLs for Class c
+     * @see Preferences#userNodeForPackage(Class) Preferences.userNodeForPackage(Class&lt;?&gt;) which is invoked to get the Preferences instance.
+     */
+    public static PrefsRecentURLs getInstance(final Class<?> c) {
+        PrefsRecentURLs instance = instances.get(c);
+        if (instance == null) {
+            instances.put(c, instance = new PrefsRecentURLs(c));
+        }
+        return instance;
+    }
+
+    /** Load preferences. */
+    private void load() {
+        maxLastOpened = prefs.getInt("maxLastOpened", 4);
+        recentlyOpenedURLs.clear();
+        for (int i = 0; i < maxLastOpened; i++) {
+            final String file = prefs.get("recentlyOpenedURL[" + i + "]", null);
+            if (file == null) {
+                break;
+            }
+            recentlyOpenedURLs.add(file);
+        }
+    }
+
+    /** Save preferences. */
+    private void save() {
+        prefs.putInt("maxLastOpened", maxLastOpened);
+        for (int i = 0, size = recentlyOpenedURLs.size(); i < size; i++) {
+            prefs.put("recentlyOpenedURL[" + i + "]", recentlyOpenedURLs.get(i));
+        }
+    }
+
+    /** Get the maximum number of files to show in the last opened list.
+     * @return maximum number of files to show in the last opened list.
+     */
+    public int getMaxLastOpened() {
+        return maxLastOpened;
+    }
+
+    /** Set the maximum number of files to show in the last opened list.
+     * @param maxLastOpened maximum number of files to show in the last opened list.
+     */
+    public void setMaxLastOpened(final int maxLastOpened) {
+        this.maxLastOpened = maxLastOpened;
+    }
+
+    /** {@inheritDoc} */
+    public void addRecentlyURL(final String url) {
+        if (recentlyOpenedURLs.contains(url)) {
+            recentlyOpenedURLs.remove(url);
+        }
+        recentlyOpenedURLs.add(url);
+        if (recentlyOpenedURLs.size() > maxLastOpened) {
+            recentlyOpenedURLs.remove(0);
+        }
+        save();
+        fireREcentURlsChanged();
+    }
+
+    /** Get the recently opened files.
+     * @return recently opened files
+     */
+    public String[] getRecentlyURLs() {
+        return recentlyOpenedURLs.toArray(new String[recentlyOpenedURLs.size()]);
+    }
+
+    /** {@inheritDoc} */
+    public void addRecentURLsListener(final RecentURLsListener listener) {
+        listeners.add(RecentURLsListener.class, listener);
+    }
+
+    /** {@inheritDoc} */
+    public void removeRecentURLsListener(final RecentURLsListener listener) {
+        listeners.remove(RecentURLsListener.class, listener);
+    }
+
+    /** Inform all registered listeners that the list of recent urls changed. */
+    private void fireREcentURlsChanged() {
+        final RecentURLsEvent e = new RecentURLsEvent(this);
+        for (final RecentURLsListener listener : listeners.getListeners(RecentURLsListener.class)) {
+            listener.recentURLsChanged(e);
+        }
+    }
+
+} // class PrefsRecentURLs

Copied: libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLs.java (from rev 635, progs/jeduca/trunk/src/prj/net/sf/japi/progs/jeduca/swing/recent/RecentURLs.java)
===================================================================
--- libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLs.java	                        (rev 0)
+++ libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLs.java	2008-11-30 17:56:31 UTC (rev 724)
@@ -0,0 +1,64 @@
+/* JAPI - (Yet another (hopefully) useful) Java API
+ *
+ * Copyright (C) 2004-2006 Christian Hujer
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+package net.sf.japi.swing.recent;
+
+/** Interface for classes that manage recent URLs.
+ * @author $Author: chris $
+ * @version $Id: RecentURLs.java,v 1.1 2004/12/28 23:51:22 chris Exp $
+ * @see RecentURLsEvent
+ * @see RecentURLsListener
+ * @todo enhance this to support a title.
+ */
+public interface RecentURLs {
+
+    /** Get the maximum number of URLs shown in the list of recently opened URLs.
+     * @return maximum URL number
+     */
+    int getMaxLastOpened();
+
+    /** Set the maximum number of entries in the list of recently opened URLs.
+     * @param maxLastOpened maximum number of URL entries
+     */
+    void setMaxLastOpened(int maxLastOpened);
+
+    /** Add a URL to the list of recently opened URLs.
+     * @param url URL to add
+     */
+    void addRecentlyURL(final String url);
+
+    /** Get the recently opened URLs.
+     * @return recently opened URLs
+     */
+    String[] getRecentlyURLs();
+
+    /** Adds a <code>RecentURLs</code> listener.
+     * Objects use this method to register interest in this RecentURLs object.
+     * When the list of recent urls changes, the registered listeners are informed of the change.
+     * @param listener a <code>RecentURLsListener</code> object
+     */
+    void addRecentURLsListener(RecentURLsListener listener);
+
+    /** Remocves a <code>RecentURLs</code> listener.
+     * @param listener a <code>RecentURLsListener</code> object
+     */
+    void removeRecentURLsListener(RecentURLsListener listener);
+
+} // interface RecentURLs

Copied: libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsEvent.java (from rev 635, progs/jeduca/trunk/src/prj/net/sf/japi/progs/jeduca/swing/recent/RecentURLsEvent.java)
===================================================================
--- libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsEvent.java	                        (rev 0)
+++ libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsEvent.java	2008-11-30 17:56:31 UTC (rev 724)
@@ -0,0 +1,42 @@
+/* JAPI - (Yet another (hopefully) useful) Java API
+ *
+ * Copyright (C) 2004-2006 Christian Hujer
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+package net.sf.japi.swing.recent;
+
+import java.util.EventObject;
+
+/** A semantic event which indicates that the list of recent URLs in a RecentURLs object changed.
+ * @see RecentURLsListener
+ * @see RecentURLs
+ */
+public class RecentURLsEvent extends EventObject {
+
+    /** Serial Version. */
+    @SuppressWarnings({"AnalyzingVariableNaming"})
+    private static final long serialVersionUID = 1L;
+
+    /** Creates a new RecentURLsEvent object.
+     * @param source the object responsible for the event
+     */
+    public RecentURLsEvent(final Object source) {
+        super(source);
+    }
+
+} // class RecentURLsEvent

Copied: libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsListener.java (from rev 635, progs/jeduca/trunk/src/prj/net/sf/japi/progs/jeduca/swing/recent/RecentURLsListener.java)
===================================================================
--- libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsListener.java	                        (rev 0)
+++ libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsListener.java	2008-11-30 17:56:31 UTC (rev 724)
@@ -0,0 +1,36 @@
+/* JAPI - (Yet another (hopefully) useful) Java API
+ *
+ * Copyright (C) 2004-2006 Christian Hujer
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+package net.sf.japi.swing.recent;
+
+import java.util.EventListener;
+
+/** Interface for classes that want to be notified if a RecentURLs object changed its list of recent urls.
+ * @see RecentURLsEvent
+ * @see RecentURLs
+ */
+public interface RecentURLsListener extends EventListener {
+
+    /** Invoked when a RecentURLs changed its list of recent urls.
+     * @param e RecentURLsEvent object
+     */
+    void recentURLsChanged(RecentURLsEvent e);
+
+} // interface RecentURLsListener

Copied: libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsMenu.java (from rev 635, progs/jeduca/trunk/src/prj/net/sf/japi/progs/jeduca/swing/recent/RecentURLsMenu.java)
===================================================================
--- libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsMenu.java	                        (rev 0)
+++ libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/RecentURLsMenu.java	2008-11-30 17:56:31 UTC (rev 724)
@@ -0,0 +1,121 @@
+/* JAPI - (Yet another (hopefully) useful) Java API
+ *
+ * Copyright (C) 2004-2006 Christian Hujer
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+package net.sf.japi.swing.recent;
+
+import java.awt.event.ActionEvent;
+import javax.swing.AbstractAction;
+import javax.swing.JMenu;
+import javax.swing.JMenuItem;
+import net.sf.japi.swing.ActionBuilderFactory;
+import net.sf.japi.swing.app.CanLoad;
+
+/** Class for a menu showing the recently used URLs.
+ * @todo think about serialization of recent and program
+ */
+public class RecentURLsMenu extends JMenu implements RecentURLsListener {
+
+    /** Serial Version. */
+    @SuppressWarnings({"AnalyzingVariableNaming"})
+    private static final long serialVersionUID = 1L;
+
+    /** The object providing the RecentURLs information. */
+    private transient RecentURLs recent;
+
+    /** The program opening documents. */
+    private transient CanLoad program;
+
+    /** Create a RecentURLsMenu.
+     * @param recent object with RecentURLs information.
+     * @param program program that opens documents
+     */
+    public RecentURLsMenu(final RecentURLs recent, final CanLoad program) {
+        super(ActionBuilderFactory.getInstance().getActionBuilder("net.sf.japi.swing.recent").createAction(true, "recent"));
+        this.program = program;
+        this.recent = recent;
+        recent.addRecentURLsListener(this);
+        updateMenu();
+    }
+
+    /** Create a RecentURLsMenu.
+     * The list of recent URLs is stored in the preferences for the class of <var>c</var>.
+     * @param c Class to obtain RecentURLs information for
+     * @param program program that opens documents
+     * @see PrefsRecentURLs
+     */
+    public RecentURLsMenu(final Class<?> c, final CanLoad program) {
+        this(PrefsRecentURLs.getInstance(c), program);
+    }
+
+    /** Create a RecentURLsMenu.
+     * The list of recent URLs is stored in the preferences for the class of <var>program</var>.
+     * @param program program that opens documents
+     * @see PrefsRecentURLs
+     */
+    public RecentURLsMenu(final CanLoad program) {
+        this(PrefsRecentURLs.getInstance(program.getClass()), program);
+    }
+
+    /** Update the menu. */
+    private void updateMenu() {
+        removeAll();
+        for (final String url : recent.getRecentlyURLs()) {
+            add(new JMenuItem(new URLAction(url)));
+        }
+    }
+
+    /** {@inheritDoc} */
+    public void recentURLsChanged(final RecentURLsEvent e) {
+        assert e.getSource() == recent;
+        updateMenu();
+    }
+
+    /** Class for URL Actions.
+     */
+    private class URLAction extends AbstractAction {
+
+        /** Serial Version. */
+        @SuppressWarnings({"AnalyzingVariableNaming"})
+        private static final long serialVersionUID = 1L;
+
+        /** The URL to be opened. */
+        private String url;
+
+        /** Create a URLAction.
+         * @param url URL to use for this action.
+         */
+        URLAction(final String url) {
+            putValue(NAME, url);
+            this.url = url;
+        }
+
+        /** {@inheritDoc} */
+        public void actionPerformed(final ActionEvent e) {
+            try {
+                program.load(url);
+            } catch (final Exception e1) {
+                e1.printStackTrace();//To change body of catch statement use File | Settings | File Templates.
+                // TODO
+            }
+        }
+
+    } // class URLAction
+
+} // class RecentURLsMenu

Copied: libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/action.properties (from rev 635, progs/jeduca/trunk/src/prj/net/sf/japi/progs/jeduca/swing/recent/action.properties)
===================================================================
--- libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/action.properties	                        (rev 0)
+++ libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/action.properties	2008-11-30 17:56:31 UTC (rev 724)
@@ -0,0 +1,21 @@
+#
+# JAPI - (Yet another (hopefully) useful) Java API
+#
+# Copyright (C) 2006 Christian Hujer
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version.
+#
+# This program 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
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+#
+recent.text=Recently opened


Property changes on: libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/action.properties
___________________________________________________________________
Added: svn:mime-type
   + text/plain
Added: svn:eol-style
   + LF

Copied: libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/action_de.properties (from rev 635, progs/jeduca/trunk/src/prj/net/sf/japi/progs/jeduca/swing/recent/action_de.properties)
===================================================================
--- libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/action_de.properties	                        (rev 0)
+++ libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/action_de.properties	2008-11-30 17:56:31 UTC (rev 724)
@@ -0,0 +1,21 @@
+#
+# JAPI - (Yet another (hopefully) useful) Java API
+#
+# Copyright (C) 2006 Christian Hujer
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version.
+#
+# This program 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
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+#
+recent.text=Zuletzt ge\xF6ffnet


Property changes on: libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/action_de.properties
___________________________________________________________________
Added: svn:mime-type
   + text/plain
Added: svn:eol-style
   + LF

Copied: libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/package.html (from rev 635, progs/jeduca/trunk/src/prj/net/sf/japi/progs/jeduca/swing/recent/package.html)
===================================================================
--- libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/package.html	                        (rev 0)
+++ libs/swing-recent/trunk/src/prj/net/sf/japi/swing/recent/package.html	2008-11-30 17:56:31 UTC (rev 724)
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ JAPI - (Yet another (hopefully) useful) Java API
+  ~
+  ~ Copyright (C) 2006 Christian Hujer
+  ~
+  ~ This program is free software; you can redistribute it and/or
+  ~ modify it under the terms of the GNU General Public License as
+  ~ published by the Free Software Foundation; either version 2 of the
+  ~ License, or (at your option) any later version.
+  ~
+  ~ This program 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
+  ~ General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with this program; if not, write to the Free Software
+  ~ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+  ~ 02111-1307, USA.
+  -->
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="de">
+    <head>
+        <meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" />
+        <title>Manage a list of recently opened files</title>
+    </head>
+    <body>
+        <p>
+            This package contains classes and interfaces for managing a list of recently opened files.
+        </p>
+        <h3>Usage</h3>
+        <ul>
+            <li>
+                Alternatively,
+                <ul>
+                    <li>Create and instanciate your desired implementation of {@link net.sf.japi.progs.jeduca.swing.recent.RecentURLs}.</li>
+                    <li>Get an instance using {@link net.sf.japi.progs.jeduca.swing.recent.PrefsRecentURLs#PrefsRecentURLs(Class)}</li>
+                </ul>
+            </li>
+            <li>Somewhere implement {@link net.sf.japi.progs.jeduca.swing.io.CanLoad} so a recently loaded document can be activated.</li>
+            <li>Create a Menu for recently opened files (URLs) using {@link net.sf.japi.progs.jeduca.swing.recent.RecentURLsMenu#RecentURLsMenu(net.sf.japi.progs.jeduca.swing.recent.RecentURLs,net.sf.japi.progs.jeduca.swing.io.CanLoad)}</li>
+        </ul>
+    </body>
+</html>


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