view/fantasia/MainFrame.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2009 Grigor Iliev <grigor@grigoriliev.com>
 *
 *   This file is part of JSampler.
 *
 *   JSampler is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2
 *   as published by the Free Software Foundation.
 *
 *   JSampler 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 JSampler; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *   MA  02111-1307  USA
 */

package org.jsampler.view.fantasia;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Paint;
import java.awt.Rectangle;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;

import java.util.Vector;

import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFileChooser;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JSplitPane;
import javax.swing.KeyStroke;
import javax.swing.SwingUtilities;
import javax.swing.Timer;

import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

import org.jsampler.CC;
import org.jsampler.HF;
import org.jsampler.LSConsoleModel;
import org.jsampler.Server;

import org.jsampler.view.JSChannelsPane;
import org.jsampler.view.LscpFileFilter;
import org.jsampler.view.SessionViewConfig;

import org.jsampler.view.fantasia.basic.FantasiaPainter;
import org.jsampler.view.fantasia.basic.FantasiaPanel;
import org.jsampler.view.fantasia.basic.FantasiaSubPanel;

import org.jsampler.view.std.JSBackendLogFrame;
import org.jsampler.view.std.JSConnectDlg;
import org.jsampler.view.std.JSDetailedErrorDlg;
import org.jsampler.view.std.JSQuitDlg;
import org.jsampler.view.std.JSamplerHomeChooser;
import org.jsampler.view.std.StdMainFrame;
import org.jsampler.view.std.StdUtils;

import static org.jsampler.view.fantasia.A4n.a4n;
import static org.jsampler.view.fantasia.FantasiaI18n.i18n;
import static org.jsampler.view.fantasia.FantasiaPrefs.preferences;
import static org.jsampler.view.std.StdPrefs.*;


/**
 *
 * @author Grigor Iliev
 */
public class MainFrame extends StdMainFrame {
        private final StandardBar standardBar = new StandardBar();
        private final FantasiaMenuBar menuBar = new FantasiaMenuBar();
        private final JPanel rootPane = new RootPane();
        private final BottomPane bottomPane;
        private final MainPane mainPane;
        private final PianoKeyboardPane pianoKeyboardPane;
        
        private final JMenu recentScriptsMenu =
                new JMenu(i18n.getMenuLabel("actions.recentScripts"));
        
        private final JSplitPane hSplitPane;
        
        private final LeftSidePane leftSidePane;
        private final RightSidePane rightSidePane;
        private final JPanel rightPane;
        
        //private final StatusBar statusBar = new StatusBar();
        
        private final LSConsoleFrame lsConsoleFrame = new LSConsoleFrame();
        private final Vector<String> recentScripts = new Vector<String>();
        
        private final JSBackendLogFrame backendLogFrame = new JSBackendLogFrame();
                
        
        private final JCheckBoxMenuItem cbmiToolBarVisible =
                        new JCheckBoxMenuItem(i18n.getMenuLabel("view.toolBar"));
        
        private final JCheckBoxMenuItem cbmiLeftSidePaneVisible =
                        new JCheckBoxMenuItem(i18n.getMenuLabel("view.leftSidePane"));
        
        private final JCheckBoxMenuItem cbmiRightSidePaneVisible =
                        new JCheckBoxMenuItem(i18n.getMenuLabel("view.rightSidePane"));
        
        private final JCheckBoxMenuItem cbmiMidiKeyboardVisible =
                        new JCheckBoxMenuItem(i18n.getMenuLabel("view.midiKeyboard"));
        
        private final Timer guiTimer = new Timer(1000, null);
        
        /** Creates a new instance of <code>MainFrame</code> */
        public
        MainFrame() {
                setTitle(i18n.getLabel("MainFrame.title"));
                //setUndecorated(true);
                if(Res.iconAppIcon != null) setIconImage(Res.iconAppIcon.getImage());
                
                CC.setMainFrame(this); // TODO: 
                mainPane = new MainPane();
                leftSidePane = new LeftSidePane();
                rightSidePane = new RightSidePane();
                
                setSelectedChannelsPane(mainPane.getChannelsPane(0));
                
                getContentPane().add(standardBar, BorderLayout.NORTH);
                
                rightPane = createRightPane();
                
                hSplitPane = new JSplitPane (
                        JSplitPane.HORIZONTAL_SPLIT,
                        true,   // continuousLayout 
                        leftSidePane, rightPane
                );
                hSplitPane.setResizeWeight(0.5);
                
                pianoKeyboardPane = new PianoKeyboardPane();
                
                for(int i = 0; i < mainPane.getChannelsPaneCount(); i++) {
                        addChannelsPane(mainPane.getChannelsPane(i));
                        getChannelsPane(i).addListSelectionListener(pianoKeyboardPane);
                }
                
                
                int h = preferences().getIntProperty("midiKeyboard.height");
                setMidiKeyboardHeight(h);
                
                PropertyChangeListener l = new PropertyChangeListener() {
                        public void
                        propertyChange(PropertyChangeEvent e) {
                                int h = preferences().getIntProperty("midiKeyboard.height");
                                setMidiKeyboardHeight(h);
                        }
                };
                
                CC.preferences().addPropertyChangeListener("midiKeyboard.height", l);
                
                bottomPane = new BottomPane();
                
                hSplitPane.setOpaque(false);
                rootPane.add(hSplitPane);
                rootPane.add(bottomPane, BorderLayout.SOUTH);
                add(rootPane);
                
                addMenu();
                
                int i = preferences().getIntProperty("MainFrame.hSplitDividerLocation", 220);
                hSplitPane.setDividerLocation(i);
                
                setSavedSize();
                
                guiTimer.start();
        }
        
        private JPanel
        createRightPane() {
                JPanel p = new FantasiaPanel();
                p.setOpaque(false);
                
                GridBagLayout gridbag = new GridBagLayout();
                GridBagConstraints c = new GridBagConstraints();
                
                p.setLayout(gridbag);
                
                c.fill = GridBagConstraints.BOTH;
                
                c.gridx = 1;
                c.gridy = 0;
                c.weightx = 1.0;
                c.weighty = 1.0;
                c.insets = new Insets(0, 3, 0, 0);
                gridbag.setConstraints(rightSidePane, c);
                p.add(rightSidePane);
                
                c.gridx = 0;
                c.gridy = 0;
                c.weightx = 0.0;
                c.weighty = 1.0;
                c.insets = new Insets(0, 0, 0, 3);
                c.fill = GridBagConstraints.VERTICAL;
                gridbag.setConstraints(mainPane, c);
                p.add(mainPane);
                
                return p;
        }
        
        private void
        setSavedSize() {
                Rectangle r = StdUtils.getWindowBounds("MainFrame");
                if(r == null) {
                        setDefaultSizeAndLocation();
                        return;
                }
                
                setBounds(r);
        }
        
        private void
        setDefaultSizeAndLocation() {
                setPreferredSize(new Dimension(900, 600));
                pack();
                setLocationRelativeTo(null);
        }
        
        
        /** Invoked when this window is about to close. */
        @Override
        public void
        onWindowClose() {
                boolean b = preferences().getBoolProperty(CONFIRM_APP_QUIT);
                if(b && CC.getSamplerModel().isModified()) {
                        JSQuitDlg dlg = new JSQuitDlg(Res.iconQuestion32);
                        dlg.setVisible(true);
                        if(dlg.isCancelled()) return;
                }
                
                leftSidePane.savePreferences();
                rightSidePane.savePreferences();
                
                int i = hSplitPane.getDividerLocation();
                preferences().setIntProperty("MainFrame.hSplitDividerLocation", i);
                
                preferences().setBoolProperty (
                        "MainFrame.windowMaximized",
                        (getExtendedState() & MAXIMIZED_BOTH) == MAXIMIZED_BOTH
                );
                
                if(preferences().getBoolProperty("MainFrame.windowMaximized")) {
                        super.onWindowClose();
                        return;
                }
                
                StdUtils.saveWindowBounds("MainFrame", getBounds());
                
                String[] list = recentScripts.toArray(new String[recentScripts.size()]);
                preferences().setStringListProperty(RECENT_LSCP_SCRIPTS, list);
                
                if(preferences().getBoolProperty(SAVE_LS_CONSOLE_HISTORY)) {
                        if(lsConsoleFrame != null) getLSConsolePane().saveConsoleHistory();
                }
                
                if(getBackendLogFrame() != null) getBackendLogFrame().stopTimer();
                if(getLSConsolePane() != null) getLSConsolePane().disconnect();
                
                super.onWindowClose();
        }
        
        @Override
        public void
        setVisible(boolean b) {
                if(b == isVisible()) return;
                
                super.setVisible(b);
                
                if(b && preferences().getBoolProperty("MainFrame.windowMaximized")) {
                        setExtendedState(getExtendedState() | MAXIMIZED_BOTH);
                }
        }
        
        private void
        addMenu() {
                if(CC.isMacOS()) {
                        try { new MacOSApplicationHandler(); }
                        catch(Throwable e) { }
                }

                if(CC.getViewConfig().isUsingScreenMenuBar()) {
                        ((ViewConfig)CC.getViewConfig()).setNativeMenuProperties();
                }

                JMenu m;
                JMenuItem mi;
                
                setJMenuBar(menuBar);
                
                // Actions
                m = new FantasiaMenu(i18n.getMenuLabel("actions"));
                
                mi = new JMenuItem(a4n.refresh);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F5, 0));
                m.add(mi);
                
                mi = new JMenuItem(a4n.samplerInfo);
                mi.setIcon(null);
                m.add(mi);
                
                mi = new JMenuItem(a4n.resetSampler);
                mi.setIcon(null);
                m.add(mi);
                
                m.addSeparator();
                
                JMenu exportMenu = new JMenu(i18n.getMenuLabel("actions.export"));
                m.add(exportMenu);

                int modKey = CC.getViewConfig().getDefaultModKey();
                
                mi = new JMenuItem(a4n.exportSamplerConfig);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, modKey));
                exportMenu.add(mi);
                
                mi = new JMenuItem(a4n.exportMidiInstrumentMaps);
                mi.setIcon(null);
                exportMenu.add(mi);
                
                m.addSeparator();
                
                mi = new JMenuItem(a4n.loadScript);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, modKey));
                m.add(mi);
                
                String[] list = preferences().getStringListProperty(RECENT_LSCP_SCRIPTS);
                for(String s : list) recentScripts.add(s);
                
                updateRecentScriptsMenu();
                
                m.add(recentScriptsMenu);
                
                m.addSeparator();
                
                mi = new JMenuItem(a4n.changeBackend);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_B, modKey));
                m.add(mi);
                
                m.addSeparator();
                
                mi = new JMenuItem(i18n.getMenuLabel("actions.exit"));
                m.add(mi);
                mi.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) { onWindowClose(); }
                });
                
                menuBar.add(m);
                
                
                // Edit
                m = new FantasiaMenu(i18n.getMenuLabel("edit"));
                menuBar.add(m);
                
                mi = new JMenuItem(i18n.getMenuLabel("edit.addChannel"));
                m.add(mi);
                mi.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                CC.getSamplerModel().addBackendChannel();
                        }
                });
                
                m.addSeparator();
                
                mi = new JMenuItem(a4n.createMidiDevice);
                mi.setIcon(null);
                m.add(mi);
                
                mi = new JMenuItem(a4n.createAudioDevice);
                mi.setIcon(null);
                m.add(mi);
                
                m.addSeparator();
                
                mi = new JMenuItem(a4n.editPreferences);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke (
                        KeyEvent.VK_P, modKey | KeyEvent.SHIFT_MASK
                ));
                m.add(mi);
                
                // View
                m = new FantasiaMenu(i18n.getMenuLabel("view"));
                menuBar.add(m);
                
                m.add(cbmiToolBarVisible);
                
                cbmiToolBarVisible.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                showToolBar(cbmiToolBarVisible.getState());
                        }
                });
                
                boolean b = preferences().getBoolProperty("toolBar.visible");
                cbmiToolBarVisible.setSelected(b);
                showToolBar(b);
                
                cbmiLeftSidePaneVisible.setAccelerator(KeyStroke.getKeyStroke (
                        KeyEvent.VK_L, modKey | KeyEvent.SHIFT_MASK
                ));
                m.add(cbmiLeftSidePaneVisible);
                
                cbmiLeftSidePaneVisible.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                showSidePane(cbmiLeftSidePaneVisible.getState());
                        }
                });
                
                b = preferences().getBoolProperty("leftSidePane.visible");
                cbmiLeftSidePaneVisible.setSelected(b);
                showSidePane(b);
                
                cbmiRightSidePaneVisible.setAccelerator(KeyStroke.getKeyStroke (
                        KeyEvent.VK_R, modKey | KeyEvent.SHIFT_MASK
                ));
                m.add(cbmiRightSidePaneVisible);
                
                cbmiRightSidePaneVisible.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                showDevicesPane(cbmiRightSidePaneVisible.getState());
                        }
                });
                
                b = preferences().getBoolProperty("rightSidePane.visible");
                cbmiRightSidePaneVisible.setSelected(b);
                showDevicesPane(b);
                
                m.addSeparator();
                
                m.add(cbmiMidiKeyboardVisible);
                
                cbmiMidiKeyboardVisible.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                setMidiKeyboardVisible(cbmiMidiKeyboardVisible.getState());
                        }
                });
                
                b = preferences().getBoolProperty("midiKeyboard.visible");
                cbmiMidiKeyboardVisible.setSelected(b);
                setMidiKeyboardVisible(b);
                
                
                // Channels
                m = new FantasiaMenu(i18n.getMenuLabel("channels"));
                
                mi = new JMenuItem(i18n.getMenuLabel("channels.newChannel"));
                mi.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                CC.getSamplerModel().addBackendChannel();
                        }
                });
                m.add(mi);
                
                m.addSeparator();
                
                MenuManager.ChannelViewGroup group = new MenuManager.ChannelViewGroup();
                MenuManager.getMenuManager().registerChannelViewGroup(group);
                
                for(JMenuItem menuItem : group.getMenuItems()) m.add(menuItem);
                
                m.addSeparator();
                
                m.add(new JMenuItem(a4n.moveChannelsOnTop));
                m.add(new JMenuItem(a4n.moveChannelsUp));
                m.add(new JMenuItem(a4n.moveChannelsDown));
                m.add(new JMenuItem(a4n.moveChannelsAtBottom));
                
                m.add(new ToPanelMenu());
                
                m.addSeparator();
                
                mi = new JMenuItem(a4n.selectAllChannels);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, modKey));
                m.add(mi);
                
                mi = new JMenuItem(a4n.deselectChannels);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke (
                        KeyEvent.VK_A, modKey | KeyEvent.SHIFT_MASK
                ));
                m.add(mi);
                
                menuBar.add(m);
                
                // Window
                m = new FantasiaMenu(i18n.getMenuLabel("window"));
                menuBar.add(m);
                
                mi = new JMenuItem(a4n.windowLSConsole);
                mi.setIcon(null);
                m.add(mi);
                
                mi = new JMenuItem(a4n.windowInstrumentsDb);
                mi.setIcon(null);
                m.add(mi);
                
                m.addSeparator();
                
                final JMenuItem mi2 = new JMenuItem(i18n.getMenuLabel("window.backendLog"));
                m.add(mi2);
                mi2.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                if(getBackendLogFrame().isVisible()) {
                                        getBackendLogFrame().setVisible(false);
                                }
                                
                                getBackendLogFrame().setVisible(true);
                        }
                });
                
                mi2.setEnabled(CC.getBackendProcess() != null);
                
                CC.addBackendProcessListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                mi2.setEnabled(CC.getBackendProcess() != null);
                        }
                });
                
                
                // Help
                m = new FantasiaMenu(i18n.getMenuLabel("help"));
                
                mi = new JMenuItem(a4n.browseOnlineTutorial);
                mi.setIcon(null);
                m.add(mi);
                
                m.addSeparator();
                
                mi = new JMenuItem(a4n.helpAbout);
                mi.setIcon(null);
                m.add(mi);
                
                menuBar.add(m);

                if(CC.getViewConfig().isUsingScreenMenuBar()) {
                        ((ViewConfig)CC.getViewConfig()).restoreMenuProperties();
                }
        }
        
        public static class ToPanelMenu extends FantasiaMenu implements ListSelectionListener {
                public
                ToPanelMenu() {
                        super(i18n.getMenuLabel("channels.toPanel"));
                        setEnabled(CC.getMainFrame().getSelectedChannelsPane().hasSelectedChannel());
                        
                        CC.getMainFrame().addChannelsPaneSelectionListener(this);
                        
                        for(int i = 0; i < CC.getMainFrame().getChannelsPaneCount(); i++) {
                                JSChannelsPane p = CC.getMainFrame().getChannelsPane(i);
                                add(new JMenuItem(new A4n.MoveChannelsToPanel(p)));
                                p.addListSelectionListener(this);
                        }
                }
                
                @Override
                public void
                valueChanged(ListSelectionEvent e) {
                        setEnabled(CC.getMainFrame().getSelectedChannelsPane().hasSelectedChannel());
                }
        }
        
        public RightSidePane
        getRightSidePane() { return rightSidePane; }
        
        @Override
        public A4n
        getA4n() { return A4n.a4n; }
        
        /**
         * This method does nothing, because <b>Fantasia</b> has constant
         * number of panes containing sampler channels, which can not be changed.
         */
        @Override
        public void
        insertChannelsPane(JSChannelsPane pane, int idx) {
                
        }
        
        @Override
        public JSChannelsPane
        getSelectedChannelsPane() { return mainPane.getSelectedChannelsPane(); }
        
        @Override
        public void
        setSelectedChannelsPane(JSChannelsPane pane) {
                mainPane.setSelectedChannelsPane(pane);
                fireChannelsPaneSelectionChanged();
        }
        
        @Override
        public void
        installJSamplerHome() {
                JSamplerHomeChooser chooser = new JSamplerHomeChooser(this);
                chooser.setVisible(true);
                if(chooser.isCancelled()) return;
                
                CC.changeJSamplerHome(chooser.getJSamplerHome());
        }
        
        @Override
        public void
        showDetailedErrorMessage(Frame owner, String err, String details) {
                JSDetailedErrorDlg dlg = new JSDetailedErrorDlg (
                        owner, Res.iconWarning32, i18n.getError("error"), err, details
                );
                dlg.setVisible(true);
        }
        
        @Override
        public void
        showDetailedErrorMessage(Dialog owner, String err, String details) {
                JSDetailedErrorDlg dlg = new JSDetailedErrorDlg (
                        owner, Res.iconWarning32, i18n.getError("error"), err, details
                );
                dlg.setVisible(true);
        }
        
        /**
         * Gets the server address to which to connect. If the server should be
         * manually selected, a dialog asking the user to choose a server is displayed.
         */
        @Override
        public Server
        getServer() {
                boolean b = preferences().getBoolProperty(MANUAL_SERVER_SELECT_ON_STARTUP);
                return getServer(b);
        }
        
        /**
         * Gets the server address to which to connect. If the server should be
         * manually selected, a dialog asking the user to choose a server is displayed.
         * @param manualSelect Determines whether the server should be manually selected.
         */
        @Override
        public Server
        getServer(boolean manualSelect) {
                if(manualSelect) {
                        JSConnectDlg dlg = new JSConnectDlg();
                        dlg.setVisible(true);
                        
                        return dlg.getSelectedServer();
                }
                
                int i = preferences().getIntProperty(SERVER_INDEX);
                int size = CC.getServerList().getServerCount();
                if(size == 0) return null;
                if(i >= size) return CC.getServerList().getServer(0);
                
                return CC.getServerList().getServer(i);
        }
        
        public Timer
        getGuiTimer() { return guiTimer; }
        
        protected LSConsoleModel
        getLSConsoleModel() { return getLSConsolePane().getModel(); }
        
        protected LSConsolePane
        getLSConsolePane() {
                return getLSConsoleFrame().getLSConsolePane();
        }
        
        protected LSConsoleFrame
        getLSConsoleFrame() { return lsConsoleFrame; }
        
        public JSBackendLogFrame
        getBackendLogFrame() { return backendLogFrame; }
        
        protected boolean
        runScript() {
                String s = preferences().getStringProperty("lastScriptLocation");
                JFileChooser fc = new JFileChooser(s);
                fc.setFileFilter(new LscpFileFilter());
                int result = fc.showOpenDialog(this);
                if(result != JFileChooser.APPROVE_OPTION) return false;
                
                String path = fc.getCurrentDirectory().getAbsolutePath();
                preferences().setStringProperty("lastScriptLocation", path);
                                        
                runScript(fc.getSelectedFile());
                
                return true;
        }
        
        @Override
        public void
        runScript(String script) { runScript(new File(script)); }
        
        private void
        runScript(File script) {
                FileReader fr;
                try { fr = new FileReader(script); }
                catch(FileNotFoundException e) {
                        HF.showErrorMessage(i18n.getMessage("FileNotFound!"));
                        return;
                }
                
                String prefix = "#jsampler.fantasia: ";
                Vector<String> v = new Vector<String>();
                BufferedReader br = new BufferedReader(fr);
                
                try {
                        String s = br.readLine();
                        while(s != null) {
                                getLSConsoleModel().setCommandLineText(s);
                                getLSConsoleModel().execCommand();
                                if(s.startsWith(prefix)) v.add(s.substring(prefix.length()));
                                s = br.readLine();
                        }
                } catch(Exception e) {
                        HF.showErrorMessage(e);
                        return;
                }
                
                String s = script.getAbsolutePath();
                recentScripts.remove(s);
                recentScripts.insertElementAt(s, 0);
                
                updateRecentScriptsMenu();
                
                CC.getViewConfig().setSessionViewConfig(
                        new SessionViewConfig(v.toArray(new String[v.size()]))
                );
        }
        
        protected void
        clearRecentScripts() {
                recentScripts.removeAllElements();
                updateRecentScriptsMenu();
        }
        
        protected void
        updateRecentScriptsMenu() {
                int size = preferences().getIntProperty(RECENT_LSCP_SCRIPTS_SIZE);
                while(recentScripts.size() > size) {
                        recentScripts.removeElementAt(recentScripts.size() - 1);
                }
                
                recentScriptsMenu.removeAll();
                
                for(String script : recentScripts) {
                        JMenuItem mi = new JMenuItem(script);
                        recentScriptsMenu.add(mi);
                        mi.addActionListener(new RecentScriptHandler(script));
                }
                
                recentScriptsMenu.setEnabled(recentScripts.size() != 0);
        }
        
        private void
        showToolBar(boolean b) {
                preferences().setBoolProperty("toolBar.visible", b);
                standardBar.setVisible(b);
        }
        
        private void
        showSidePane(boolean b) {
                preferences().setBoolProperty("leftSidePane.visible", b);
                rootPane.remove(rightPane);
                rootPane.remove(hSplitPane);
                
                if(b) {
                        hSplitPane.setRightComponent(rightPane);
                        rootPane.add(hSplitPane);
                        int i = preferences().getIntProperty("MainFrame.hSplitDividerLocation", 220);
                        
                        hSplitPane.setDividerLocation(i);
                        hSplitPane.validate();
                } else {
                        rootPane.add(rightPane);
                        
                }
                
                int w = getPreferredSize().width;
                int h = getSize().height;
                setSize(new Dimension(w, h));
                
                rootPane.revalidate();
                rootPane.validate();
                rootPane.repaint();
                
                SwingUtilities.invokeLater(new Runnable() {
                        public void
                        run() { sidePanesVisibilityChanged(); }
                });
        }
        
        private void
        showDevicesPane(boolean b) {
                preferences().setBoolProperty("rightSidePane.visible", b);
                
                int width = leftSidePane.getWidth();
                int height = leftSidePane.getPreferredSize().height;
                if(width != 0) leftSidePane.setPreferredSize(new Dimension(width, height));
                
                if(b) {
                        int w = preferences().getIntProperty("devicesPane.width", 200);
                        
                        int h = rightSidePane.getPreferredSize().height;
                        rightSidePane.setPreferredSize(new Dimension(w, h));
                } else {
                        int w = rightSidePane.getWidth();
                        if(w > 0 && w < 200) w = 200;
                        if(w != 0) preferences().setIntProperty("devicesPane.width", w);
                }
                
                hSplitPane.setResizeWeight(0.0);
                rightSidePane.setVisible(b);
                hSplitPane.resetToPreferredSizes();
                
                int w = getPreferredSize().width;
                int h = getSize().height;
                setSize(new Dimension(w, h));
                
                rootPane.validate();
                rootPane.repaint();
                //hSplitPane.validate();
                
                SwingUtilities.invokeLater(new Runnable() {
                        public void
                        run() { sidePanesVisibilityChanged(); }
                });
        }
        
        public void
        setMidiKeyboardVisible(boolean b) {
                preferences().setBoolProperty("midiKeyboard.visible", b);
                pianoKeyboardPane.setVisible(b);
                
                if(cbmiMidiKeyboardVisible.isSelected() != b) {
                        cbmiMidiKeyboardVisible.setSelected(b);
                }
                
                if(standardBar.btnMidiKeyboard.isSelected() != b) {
                        standardBar.btnMidiKeyboard.setSelected(b);
                }
                
                if(pianoKeyboardPane.btnPower.isSelected() != b) {
                        pianoKeyboardPane.btnPower.setSelected(b);
                }
                
                rootPane.validate();
                rootPane.repaint();
        }
        
        public void
        setMidiKeyboardHeight(int height) {
                Dimension d = pianoKeyboardPane.getPreferredSize();
                d = new Dimension(d.width, height);
                pianoKeyboardPane.setPreferredSize(d);
                pianoKeyboardPane.setMinimumSize(d);
                pianoKeyboardPane.revalidate();
                pianoKeyboardPane.repaint();
        }
        
        private void
        sidePanesVisibilityChanged() {
                boolean leftSidePaneVisible = cbmiLeftSidePaneVisible.isSelected();
                boolean rightSidePaneVisible = cbmiRightSidePaneVisible.isSelected();
                
                if(leftSidePaneVisible && rightSidePaneVisible) {
                        hSplitPane.setResizeWeight(0.5);
                } else if(leftSidePaneVisible && !rightSidePaneVisible) {
                        hSplitPane.setResizeWeight(1.0);
                }
                
                if(!leftSidePaneVisible && !rightSidePaneVisible) {
                        standardBar.showFantasiaLogo(false);
                        if(isResizable()) setResizable(false);
                } else {
                        standardBar.showFantasiaLogo(true);
                        if(!isResizable()) setResizable(true);
                }
        }
        
        private class RecentScriptHandler implements ActionListener {
                private String script;
                
                RecentScriptHandler(String script) { this.script = script; }
                
                @Override
                public void
                actionPerformed(ActionEvent e) {
                        runScript(script);
                        if(preferences().getBoolProperty(SHOW_LS_CONSOLE_WHEN_RUN_SCRIPT)) {
                                a4n.windowLSConsole.actionPerformed(null);
                        }
                }
        }
        
        private static class FantasiaMenu extends JMenu {
                FantasiaMenu(String s) {
                        super(s);
                        setFont(getFont().deriveFont(java.awt.Font.BOLD));
                        setOpaque(false);
                        setContentAreaFilled(false);
                }
        }

        private class FantasiaMenuBar extends JMenuBar {
                FantasiaMenuBar() {
                        setOpaque(false);
                        setBorder(BorderFactory.createEmptyBorder(2, 6, 0, 0));
                }
                
                @Override
                protected void
                paintComponent(Graphics g) {
                        //super.paintComponent(g);
                        Graphics2D g2 = (Graphics2D)g;
                        
                        Paint oldPaint = g2.getPaint();
                        Composite oldComposite = g2.getComposite();
                        
                        double h = getSize().getHeight();
                        double w = getSize().getWidth();
                        
                        FantasiaPainter.paintGradient(g2, 0.0, 0.0, w - 1, h - 1, FantasiaPainter.color6, FantasiaPainter.color5);
                        
                        FantasiaPainter.Border b;
                        
                        
                        if(standardBar.isVisible()) {
                                b = new FantasiaPainter.Border(true, true, false, true);
                                FantasiaPainter.paintBoldOuterBorder(g2, 0, 0, w - 1, h + 1, b);
                        } else {
                                b = new FantasiaPainter.Border(true, true, true, true);
                                FantasiaPainter.paintBoldOuterBorder(g2, 0, 0, w - 1, h - 1, b);
                        }
                        
                        g2.setPaint(oldPaint);
                        g2.setComposite(oldComposite);
                }
        }
        
        class RootPane extends FantasiaSubPanel {
                private final Color color1 = new Color(0x454545);
                private final Color color2 = new Color(0x2e2e2e);
                
                RootPane() {
                        setLayout(new BorderLayout());
                        setBorder(BorderFactory.createEmptyBorder(9, 10, 6, 10));
                        setOpaque(false);
                
                }
        
                @Override
                public void
                paintComponent(Graphics g) {
                        Graphics2D g2 = (Graphics2D)g;
                        
                        Paint oldPaint = g2.getPaint();
                        Composite oldComposite = g2.getComposite();
                        
                        double h = getSize().getHeight();
                        double w = getSize().getWidth();
                        
                        FantasiaPainter.paintBorder(g2, 0, -3, w - 1, h - 1, 6, false);
                        paintComponent(g2, 5, 1, w - 10, h - 6, color1, color2);
                        
                        g2.setPaint(oldPaint);
                        g2.setComposite(oldComposite);
                }
        }
        
        class BottomPane extends FantasiaPanel {
                BottomPane() {
                        setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
                        setOpaque(false);
                        add(pianoKeyboardPane);
                        
                }
        }
}