view/classic/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.classic;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Rectangle;

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

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

import java.util.Vector;

import javax.swing.Action;
import javax.swing.ImageIcon;
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.JTabbedPane;
import javax.swing.KeyStroke;

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

import net.sf.juife.NavigationPage;

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

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

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.StdUtils;

import static org.jsampler.view.classic.A4n.a4n;
import static org.jsampler.view.classic.ClassicI18n.i18n;
import static org.jsampler.view.classic.ClassicPrefs.preferences;
import static org.jsampler.view.classic.LeftPane.getLeftPane;
import static org.jsampler.view.std.StdPrefs.*;

/**
 *
 * @author Grigor Iliev
 */
public class
MainFrame extends org.jsampler.view.JSMainFrame implements ChangeListener, ListSelectionListener {
        public static ImageIcon applicationIcon = Res.appIcon;
        
        private final ChannelsBar channelsBar = new ChannelsBar();
        private final Statusbar statusbar = new Statusbar();
        private final JMenuBar menuBar = new JMenuBar();
        private final JMenu recentScriptsMenu =
                new JMenu(i18n.getMenuLabel("actions.recentScripts"));
        private final JMenu tabsMenu = new JMenu(i18n.getMenuLabel("channels.MoveToTab"));
        
        private final JSplitPane vSplitPane;
        private final JSplitPane hSplitPane;
        
        private final JPanel mainPane = new JPanel();
        private final StandardBar standardBar = new StandardBar();
        private final JPanel channelsPane = new JPanel(new BorderLayout());
        private final JPanel rightPane = new JPanel();
        private final JPanel bottomPane = new JPanel();
        private final LSConsolePane lsConsolePane = new LSConsolePane(this);
        private LSConsoleDlg lsConsoleDlg = null;
        private final JSBackendLogFrame backendLogFrame = new JSBackendLogFrame();
        
        private final JTabbedPane tabbedPane =
                new JTabbedPane(JTabbedPane.BOTTOM, JTabbedPane.SCROLL_TAB_LAYOUT);
        private final Vector<JMenuItem> miList = new Vector<JMenuItem>();
        
        private final JCheckBoxMenuItem cbmiLeftPaneVisible =
                        new JCheckBoxMenuItem(i18n.getMenuLabel("view.leftPane"));
        
        private final JCheckBoxMenuItem cbmiStandardBarVisible =
                        new JCheckBoxMenuItem(i18n.getMenuLabel("view.toolbars.standard"));
        
        private final JCheckBoxMenuItem cbmiLSConsoleShown =
                        new JCheckBoxMenuItem(i18n.getMenuLabel("view.lsconsole"));
        
        private boolean lsConsolePopOut;
        
        private final Vector<String> recentScripts = new Vector<String>();
                
        
        /** Creates a new instance of <code>MainFrame</code>. */
        public
        MainFrame() {
                setTitle(i18n.getLabel("MainFrame.title"));
                
                CC.setMainFrame(this); // TODO: 
                
                getContentPane().add(standardBar, BorderLayout.NORTH);
                getContentPane().add(mainPane);
                
                mainPane.setLayout(new BorderLayout());
                mainPane.add(statusbar, BorderLayout.SOUTH);
                
                ChannelsPane p = new ChannelsPane("Untitled");
                p.addListSelectionListener(this);
                getChannelsPaneList().add(p);
                miList.add(new JMenuItem(new A4n.MoveChannelsTo(p)));
                
                channelsPane.add(getChannelsPane(0));
                
                bottomPane.setLayout(new BorderLayout());
                
                rightPane.setLayout(new BorderLayout());
                
                rightPane.add(channelsBar, BorderLayout.NORTH);
                rightPane.add(channelsPane);
                
                hSplitPane = new JSplitPane (
                        JSplitPane.HORIZONTAL_SPLIT,
                        true,   // continuousLayout 
                        getLeftPane(),
                        rightPane
                );
                
                hSplitPane.setOneTouchExpandable(true);
                if(ClassicPrefs.getSaveWindowProperties()) {
                        hSplitPane.setDividerLocation(ClassicPrefs.getHSplitDividerLocation());
                }
                
                mainPane.add(hSplitPane);
                
                
                vSplitPane = new JSplitPane (
                        JSplitPane.VERTICAL_SPLIT,
                        true,   // continuousLayout 
                        channelsPane,
                        bottomPane
                );
                
                vSplitPane.setDividerSize(3);
                vSplitPane.setDividerLocation(ClassicPrefs.getVSplitDividerLocation());
                
                rightPane.add(vSplitPane);
                
                if(applicationIcon != null) setIconImage(applicationIcon.getImage());
                
                initMainFrame();
                
                pack();
                
                if(ClassicPrefs.getSaveWindowProperties()) setSavedSize();
                else setDefaultSize();
                
                if(ClassicPrefs.getSaveLeftPaneState()) {
                        NavigationPage page =
                                getLeftPane().getPages()[ClassicPrefs.getLeftPanePageIndex()];
                        
                        getLeftPane().getModel().addPage(page);
                        getLeftPane().getModel().clearHistory();
                        
                        int idx = ClassicPrefs.getCurrentOrchestraIndex();
                        if(idx >= 0 && idx < CC.getOrchestras().getOrchestraCount()) {
                                OrchestraModel om = CC.getOrchestras().getOrchestra(idx);
                                getLeftPane().getOrchestrasPage().setSelectedOrchestra(om);
                        }
                }
                
                //CC.getInstrumentsDbTreeModel(); // used to initialize the db tree model
        }
        
        /** 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;
                }
                
                if(ClassicPrefs.getSaveWindowProperties()) {
                        ClassicPrefs.setWindowMaximized (
                                "Mainframe", (getExtendedState() & MAXIMIZED_BOTH) == MAXIMIZED_BOTH
                        );
                        
                        setVisible(false);
                        if(ClassicPrefs.getWindowMaximized("MainFrame")) {
                                //setExtendedState(getExtendedState() & ~MAXIMIZED_BOTH);
                                CC.cleanExit();
                                return;
                        }
                        
                        StdUtils.saveWindowBounds("MainFrame", getBounds());
                        
                        ClassicPrefs.setHSplitDividerLocation(hSplitPane.getDividerLocation());
                }
                
                if(ClassicPrefs.getSaveLeftPaneState()) {
                        int idx = 0;
                        for(int i = 0; i < getLeftPane().getPages().length; i++) {
                                if(getLeftPane().getPages()[i] == getLeftPane().getCurrentPage()) {
                                        idx = i;
                                        break;
                                }
                        }
                        
                        ClassicPrefs.setLeftPanePageIndex(idx);
                        
                        idx = getLeftPane().getOrchestrasPage().getCurrentOrchestraIndex();
                        
                        if(idx >= 0 && idx < CC.getOrchestras().getOrchestraCount())
                                ClassicPrefs.setCurrentOrchestraIndex(idx);
                }
                
                String[] list = recentScripts.toArray(new String[recentScripts.size()]);
                preferences().setStringListProperty(RECENT_LSCP_SCRIPTS, list);
                
                if(preferences().getBoolProperty(SAVE_LS_CONSOLE_HISTORY)) {
                        lsConsolePane.saveConsoleHistory();
                }
                
                ClassicPrefs.setShowLSConsole(isLSConsoleShown());
                ClassicPrefs.setLSConsolePopOut(isLSConsolePopOut());
                
                ClassicPrefs.setVSplitDividerLocation(vSplitPane.getDividerLocation());
                
                if(getBackendLogFrame() != null) getBackendLogFrame().stopTimer();
                if(lsConsolePane != null) lsConsolePane.disconnect();
                super.onWindowClose();
        }
        
        @Override
        public void
        setVisible(boolean b) {
                if(b == isVisible()) return;
                
                super.setVisible(b);
                
                if(ClassicPrefs.getWindowMaximized("MainFrame")) {
                        setExtendedState(getExtendedState() | MAXIMIZED_BOTH);
                }
        }
        
        private void
        initMainFrame() {
                addMenu();
                handleEvents();
        }
        
        private void
        setDefaultSize() {
                Dimension dimension = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
                double width = dimension.getWidth();
                double height = dimension.getHeight();
                setBounds(50, 100, (int) width - 100, (int) height - 200);
        }
        
        private void
        setSavedSize() {
                Rectangle r = StdUtils.getWindowBounds("MainFrame");
                if(r == null) {
                        setDefaultSize();
                        return;
                }
                
                setBounds(r);
        }
        
        private void
        addMenu() {
                JMenu m;
                JMenuItem mi;
                
                setJMenuBar(menuBar);
                
                // Actions
                m = new JMenu(i18n.getMenuLabel("actions"));
                menuBar.add(m);
                
                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);
                
                JMenu midiInstrMenu = new JMenu(i18n.getMenuLabel("actions.midiInstruments"));
                m.add(midiInstrMenu);
                
                mi = new JMenuItem(A4n.addMidiInstrumentMap);
                mi.setIcon(null);
                midiInstrMenu.add(mi);
                
                mi = new JMenuItem(A4n.removeMidiInstrumentMap);
                mi.setIcon(null);
                midiInstrMenu.add(mi);
                
                mi = new JMenuItem(A4n.addMidiInstrumentWizard);
                mi.setIcon(null);
                midiInstrMenu.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.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, modKey));
                mi.setIcon(null);
                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(); }
                });
                
                // Edit
                m = new JMenu(i18n.getMenuLabel("edit"));
                menuBar.add(m);
                
                mi = new JMenuItem(i18n.getMenuLabel("edit.audioDevices"));
                m.add(mi);
                mi.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                if(!isLeftPaneVisible()) cbmiLeftPaneVisible.doClick(0);
                                LeftPane.getLeftPane().showAudioDevicesPage();
                        }
                });
                
                mi = new JMenuItem(i18n.getMenuLabel("edit.midiDevices"));
                m.add(mi);
                mi.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                if(!isLeftPaneVisible()) cbmiLeftPaneVisible.doClick(0);
                                LeftPane.getLeftPane().showMidiDevicesPage();
                        }
                });
                
                mi = new JMenuItem(i18n.getMenuLabel("edit.orchestras"));
                m.add(mi);
                mi.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                if(!isLeftPaneVisible()) cbmiLeftPaneVisible.doClick(0);
                                LeftPane.getLeftPane().showManageOrchestrasPage();
                        }
                });
                
                m.addSeparator();
                
                mi = new JMenuItem(A4n.preferences);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke (
                        KeyEvent.VK_P, modKey | KeyEvent.SHIFT_MASK
                ));
                m.add(mi);
                
                // View
                m = new JMenu(i18n.getMenuLabel("view"));
                menuBar.add(m);
                
                JMenu toolbarsMenu = new JMenu(i18n.getMenuLabel("view.toolbars"));
                m.add(toolbarsMenu);
                
                toolbarsMenu.add(cbmiStandardBarVisible);
                cbmiStandardBarVisible.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                showStandardBar(cbmiStandardBarVisible.getState());
                        }
                });
                
                boolean b = ClassicPrefs.shouldShowStandardBar();
                cbmiStandardBarVisible.setSelected(b);
                showStandardBar(b);
                
                final JCheckBoxMenuItem cbmi =
                        new JCheckBoxMenuItem(i18n.getMenuLabel("view.toolbars.channels"));
                
                toolbarsMenu.add(cbmi);
                cbmi.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) { showChannelsBar(cbmi.getState()); }
                });
                
                b = ClassicPrefs.shouldShowChannelsBar();
                cbmi.setSelected(b);
                showChannelsBar(b);
                
                m.add(cbmiLeftPaneVisible);
                cbmiLeftPaneVisible.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                showLeftPane(cbmiLeftPaneVisible.getState());
                        }
                });
                
                b = ClassicPrefs.shouldShowLeftPane();
                cbmiLeftPaneVisible.setSelected(b);
                showLeftPane(b);
                
                final JCheckBoxMenuItem cbmi2 =
                        new JCheckBoxMenuItem(i18n.getMenuLabel("view.statusbar"));
                
                m.add(cbmi2);
                cbmi2.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) { showStatusbar(cbmi2.getState()); }
                });
                b = ClassicPrefs.shouldShowStatusbar();
                cbmi2.setSelected(b);
                showStatusbar(b);
                
                m.addSeparator();
                
                setLSConsolePopOut(ClassicPrefs.isLSConsolePopOut());
                cbmiLSConsoleShown.setSelected(ClassicPrefs.shouldShowLSConsole());
                showLSConsole(ClassicPrefs.shouldShowLSConsole());
                
                cbmiLSConsoleShown.addActionListener(new ActionListener() {
                        public void
                        actionPerformed(ActionEvent e) {
                                showLSConsole(cbmiLSConsoleShown.isSelected());
                        }
                });
                m.add(cbmiLSConsoleShown);
                
                lsConsolePane.updateLSConsoleViewMode();
                
                // Channels
                m = new JMenu(i18n.getMenuLabel("channels"));
                menuBar.add(m);
                
                mi = new JMenuItem(A4n.newChannel);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, modKey));
                m.add(mi);
                
                mi = new JMenuItem(A4n.newChannelWizard);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke (
                        KeyEvent.VK_N, modKey | KeyEvent.SHIFT_MASK)
                );
                m.add(mi);
                
                mi = new JMenuItem(a4n.duplicateChannels);
                mi.setIcon(null);
                m.add(mi);
                
                m.addSeparator();
                
                mi = new JMenuItem(a4n.moveChannelsOnTop);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke (
                        KeyEvent.VK_UP, KeyEvent.ALT_MASK | KeyEvent.SHIFT_MASK
                ));
                m.add(mi);
                
                mi = new JMenuItem(a4n.moveChannelsUp);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_UP, KeyEvent.ALT_MASK));
                m.add(mi);
                
                mi = new JMenuItem(a4n.moveChannelsDown);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, KeyEvent.ALT_MASK));
                m.add(mi);
                
                mi = new JMenuItem(a4n.moveChannelsAtBottom);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke (
                        KeyEvent.VK_DOWN, KeyEvent.ALT_MASK | KeyEvent.SHIFT_MASK
                ));
                m.add(mi);
                
                tabsMenu.setEnabled(false);
                m.add(tabsMenu);
                
                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, KeyEvent.SHIFT_MASK | modKey
                ));
                m.add(mi);
                
                m.addSeparator();
                
                mi = new JMenuItem(a4n.removeChannels);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, KeyEvent.SHIFT_MASK));
                m.add(mi);
                
                
                // Tabs
                m = new JMenu(i18n.getMenuLabel("tabs"));
                menuBar.add(m);
                
                mi = new JMenuItem(A4n.newChannelsTab);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T, modKey));
                m.add(mi);
                
                mi = new JMenuItem(A4n.editTabTitle);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F2, 0));
                m.add(mi);
                
                m.addSeparator();
                
                mi = new JMenuItem(A4n.moveTab2Beginning);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke (
                        KeyEvent.VK_LEFT, KeyEvent.ALT_MASK | KeyEvent.SHIFT_MASK
                ));
                m.add(mi);
                
                mi = new JMenuItem(A4n.moveTab2Left);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, KeyEvent.ALT_MASK));
                m.add(mi);
                
                mi = new JMenuItem(A4n.moveTab2Right);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, KeyEvent.ALT_MASK));
                m.add(mi);
                
                mi = new JMenuItem(A4n.moveTab2End);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke (
                        KeyEvent.VK_RIGHT, KeyEvent.ALT_MASK | KeyEvent.SHIFT_MASK
                ));
                m.add(mi);
                
                m.addSeparator();
                
                mi = new JMenuItem(A4n.closeChannelsTab);
                mi.setIcon(null);
                mi.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, modKey));
                m.add(mi);
                
                
                // Window
                m = new JMenu(i18n.getMenuLabel("window"));
                menuBar.add(m);
                
                mi = new JMenuItem(A4n.windowInstrumentsDb);
                mi.setIcon(null);
                m.add(mi);
                
                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 JMenu(i18n.getMenuLabel("help"));
                
                mi = new JMenuItem(A4n.helpAbout);
                mi.setIcon(null);
                m.add(mi);
                
                m.addSeparator();
                
                mi = new JMenuItem(a4n.browseOnlineTutorial);
                mi.setIcon(null);
                m.add(mi);
                
                menuBar.add(m);
        }
        
        private class RecentScriptHandler implements ActionListener {
                private String script;
                
                RecentScriptHandler(String script) { this.script = script; }
                
                @Override
                public void
                actionPerformed(ActionEvent e) {  runScript(script); }
        }
        
        private void
        handleEvents() {
                tabbedPane.addChangeListener(this);
        }
        
        private void
        showChannelsBar(boolean b) {
                channelsBar.setVisible(b);
                ClassicPrefs.setShowChannelsBar(b);
                
                validate();
                repaint();
        }
        
        private void
        showStatusbar(boolean b) {
                ClassicPrefs.setShowStatusbar(b);
                statusbar.setVisible(b);
        }
        
        protected boolean
        isLeftPaneVisible() { return cbmiLeftPaneVisible.isSelected(); }
        
        protected void
        setLeftPaneVisible(boolean b) {
                if(b != cbmiLeftPaneVisible.isSelected()) cbmiLeftPaneVisible.doClick(0);
        }
        
        protected boolean
        isLSConsoleVisible() { return cbmiLSConsoleShown.isSelected(); }
        
        protected void
        setLSConsoleVisible(boolean b) {
                if(b != cbmiLSConsoleShown.isSelected()) cbmiLSConsoleShown.doClick(0);
        }
        
        private void
        showLeftPane(boolean b) {
                ClassicPrefs.setShowLeftPane(b);
                
                mainPane.remove(hSplitPane);
                mainPane.remove(rightPane);
                
                if(b) {
                        hSplitPane.setRightComponent(rightPane);
                        mainPane.add(hSplitPane);
                        if(ClassicPrefs.getSaveWindowProperties()) {
                                int i = ClassicPrefs.getHSplitDividerLocation();
                                hSplitPane.setDividerLocation(i);
                        }
                } else {
                        mainPane.add(rightPane);
                }
                
                validate();
                repaint();
        }
        
        private void
        showStandardBar(boolean b) {
                ClassicPrefs.setShowStandardBar(b);
                standardBar.setVisible(b);
                validate();
                repaint();
        }
        
        private void
        showBottomPane(boolean b) {
                if(!b) ClassicPrefs.setVSplitDividerLocation(vSplitPane.getDividerLocation());
                
                rightPane.remove(vSplitPane);
                rightPane.remove(channelsPane);
                
                if(b) {
                        vSplitPane.setTopComponent(channelsPane);
                        rightPane.add(vSplitPane);
                        vSplitPane.setDividerLocation(ClassicPrefs.getVSplitDividerLocation());
                } else {
                        rightPane.add(channelsPane);
                }
                
                validate();
                repaint();
        }
        
        protected void
        setLSConsolePopOut(boolean b) {
                if(b == lsConsolePopOut) return;
                
                lsConsolePopOut = b;
                
                if(isLSConsoleShown()) setLSConsolePopOut0(b);
        }
        
        /**
         * Changes the pop-out state of the LS Console.
         * Invoke this method only when LS Console is shown.
         */
        private void
        setLSConsolePopOut0(boolean b) {
                if(b) {
                        bottomPane.remove(lsConsolePane);
                        showBottomPane(false);
                        
                        lsConsoleDlg = new LSConsoleDlg(this, lsConsolePane);
                        lsConsoleDlg.setVisible(true);
                } else {
                        if(lsConsoleDlg != null) lsConsoleDlg.setVisible(false);
                        lsConsoleDlg = null;
                        bottomPane.add(lsConsolePane);
                        showBottomPane(true);
                }
        }
        
        protected boolean
        isLSConsolePopOut() { return lsConsolePopOut; }
        
        protected boolean
        isLSConsoleShown() { return cbmiLSConsoleShown.isSelected(); }
        
        protected void
        setLSConsoleShown(boolean b) { cbmiLSConsoleShown.setSelected(b); }
        
        protected LSConsoleModel
        getLSConsoleModel() { return lsConsolePane.getModel(); }
        
        protected JSBackendLogFrame
        getBackendLogFrame() { return backendLogFrame; }
        
        /**
         * Sets the text color of the LS Console.
         * @param c The text color of the LS Console.
         */
        protected void
        setLSConsoleTextColor(Color c) { lsConsolePane.setTextColor(c); }
        
        /**
         * Sets the background color of the LS Console.
         * @param c The background color of the LS Console.
         */
        protected void
        setLSConsoleBackgroundColor(Color c) { lsConsolePane.setBackgroundColor(c); }
        
        /**
         * Sets the notification messages' color of the LS Console.
         * @param c The notification messages' color of the LS Console.
         */
        protected void
        setLSConsoleNotifyColor(Color c) { lsConsolePane.setNotifyColor(c); }
        
        /**
         * Sets the warning messages' color of the LS Console.
         * @param c The warning messages' color of the LS Console.
         */
        protected void
        setLSConsoleWarningColor(Color c) { lsConsolePane.setWarningColor(c); }
        
        /**
         * Sets the error messages' color of the LS Console.
         * @param c The error messages' color of the LS Console.
         */
        protected void
        setLSConsoleErrorColor(Color c) { lsConsolePane.setErrorColor(c); }
        
        protected void
        showLSConsole(boolean b) {
                if(!b) {
                        showBottomPane(false);
                        if(lsConsoleDlg != null) lsConsoleDlg.setVisible(false);
                        lsConsolePane.hideAutoCompleteWindow();
                        return;
                }
                
                setLSConsolePopOut0(isLSConsolePopOut());
        }
        
        /**
         * Adds the specified <code>JSChannelsPane</code> to the view.
         * @param chnPane The <code>JSChannelsPane</code> to be added.
         */
        @Override
        public void
        addChannelsPane(JSChannelsPane chnPane) {
                insertChannelsPane(chnPane, getChannelsPaneCount());
        }
        
        @Override
        public void
        insertChannelsPane(JSChannelsPane chnPane, int idx) {
                chnPane.addListSelectionListener(this);
                
                if(getChannelsPaneCount() == 1) {
                        channelsPane.remove(getChannelsPane(0));
                        channelsPane.add(tabbedPane);
                        tabbedPane.addTab(getChannelsPane(0).getTitle(), getChannelsPane(0));
                        A4n.closeChannelsTab.setEnabled(true);
                        A4n.editTabTitle.setEnabled(true);
                }
                
                getChannelsPaneList().insertElementAt(chnPane, idx);
                tabbedPane.insertTab(chnPane.getTitle(), null, chnPane, null, idx);
                tabbedPane.setSelectedComponent(chnPane);
                miList.insertElementAt(new JMenuItem(new A4n.MoveChannelsTo(chnPane)), idx);
                
                updateTabsMenu();
        }
        
        /**
         * Gets the <code>JSChannelsPane</code> that is currently shown.
         * @return The currently shown <code>JSChannelsPane</code>.
         */
        @Override
        public JSChannelsPane
        getSelectedChannelsPane() {
                if(getChannelsPaneList().size() == 1) return getChannelsPane(0);
                return (JSChannelsPane)tabbedPane.getSelectedComponent();
        }
        
        /**
         * Sets the <code>JSChannelsPane</code> to be selected.
         * @param pane The <code>JSChannelsPane</code> to be shown.
         */
        @Override
        public void
        setSelectedChannelsPane(JSChannelsPane pane) {
                if(getChannelsPaneList().size() == 1) return;
                tabbedPane.setSelectedComponent(pane);
                fireChannelsPaneSelectionChanged();
        }
        
        /**
         * Removes the specified <code>JSChannelsPane</code> from the view.
         * @param chnPane The <code>JSChannelsPane</code> to be removed.
         * @return <code>true</code> if the specified code>JSChannelsPane</code>
         * is actually removed from the view, <code>false</code> otherwise.
         */
        @Override
        public boolean
        removeChannelsPane(JSChannelsPane chnPane) {
                chnPane.removeListSelectionListener(this);
                
                tabbedPane.remove(chnPane);
                boolean b = super.removeChannelsPane(chnPane);
                for(int i = 0; i < miList.size(); i++) {
                        A4n.MoveChannelsTo a = (A4n.MoveChannelsTo)miList.get(i).getAction();
                        if(a.getChannelsPane().equals(chnPane)) {
                                miList.remove(i);
                                break;
                        }
                }
                
                updateTabsMenu();
                
                if(getChannelsPaneCount() == 1) {
                        A4n.closeChannelsTab.setEnabled(false);
                        A4n.editTabTitle.setEnabled(false);
                        tabbedPane.remove(getChannelsPane(0));
                        channelsPane.remove(tabbedPane);
                        channelsPane.add(getChannelsPane(0));
                }
                
                return b;
        }
        
        private void
        updateTabsMenu() {
                tabsMenu.removeAll();
                
                for(JMenuItem mi : miList) {
                        A4n.MoveChannelsTo a = (A4n.MoveChannelsTo)mi.getAction();
                        if(!a.getChannelsPane().equals(getSelectedChannelsPane())) tabsMenu.add(mi);
                }
                        
        }
        
        public void
        updateTabTitle(JSChannelsPane chnPane) {
                tabbedPane.setTitleAt(tabbedPane.getSelectedIndex(), chnPane.getTitle());
        }
        
        private void
        checkChannelSelection(JSChannelsPane pane) {
                if(!pane.hasSelectedChannel()) {
                        a4n.duplicateChannels.putValue (
                                Action.NAME, i18n.getMenuLabel("channels.duplicate")
                        );
                        a4n.duplicateChannels.setEnabled(false);
                                
                        a4n.removeChannels.putValue (
                                Action.NAME, i18n.getMenuLabel("channels.RemoveChannel")
                        );
                        a4n.removeChannels.setEnabled(false);
                        
                        tabsMenu.setEnabled(false);
                        
                        a4n.moveChannelsOnTop.setEnabled(false);
                        a4n.moveChannelsUp.setEnabled(false);
                        a4n.moveChannelsDown.setEnabled(false);
                        a4n.moveChannelsAtBottom.setEnabled(false);
                        
                        return;
                }
                
                a4n.duplicateChannels.setEnabled(true);
                a4n.removeChannels.setEnabled(true);
                
                if(getChannelsPaneCount() > 1) tabsMenu.setEnabled(true);
                
                if(pane.getSelectedChannelCount() > 1) {
                        a4n.duplicateChannels.putValue (
                                Action.NAME, i18n.getMenuLabel("channels.duplicateChannels")
                        );
                        a4n.removeChannels.putValue (
                                Action.NAME, i18n.getMenuLabel("channels.RemoveChannels")
                        );
                } else {
                        a4n.duplicateChannels.putValue (
                                Action.NAME, i18n.getMenuLabel("channels.duplicate")
                        );
                        a4n.removeChannels.putValue (
                                Action.NAME, i18n.getMenuLabel("channels.RemoveChannel")
                        );
                }
                
                a4n.moveChannelsOnTop.setEnabled(false);
                a4n.moveChannelsUp.setEnabled(true);
                a4n.moveChannelsDown.setEnabled(true);
                a4n.moveChannelsAtBottom.setEnabled(false);
                
                JSChannel[] chns = pane.getSelectedChannels();
                
                for(int i = 0; i < chns.length; i++) {
                        if(pane.getChannel(i) != chns[i]) {
                                a4n.moveChannelsOnTop.setEnabled(true);
                                break;
                        }
                }
                
                if(chns[0] == pane.getFirstChannel()) a4n.moveChannelsUp.setEnabled(false);
                
                if(chns[chns.length - 1] == pane.getLastChannel())
                        a4n.moveChannelsDown.setEnabled(false);
                
                for(int i = chns.length - 1, j = pane.getChannelCount() - 1; i >= 0; i--, j--) {
                        if(pane.getChannel(j) != chns[i]) {
                                a4n.moveChannelsAtBottom.setEnabled(true);
                                break;
                        }
                }
        }
        
        private void
        checkTabSelection() {
                int si = tabbedPane.getSelectedIndex();
                
                if(si > 0) {
                        A4n.moveTab2Beginning.setEnabled(true);
                        A4n.moveTab2Left.setEnabled(true);
                } else {
                        A4n.moveTab2Beginning.setEnabled(false);
                        A4n.moveTab2Left.setEnabled(false);
                }
                
                if(si != -1 && si < tabbedPane.getTabCount() - 1) {
                        A4n.moveTab2Right.setEnabled(true);
                        A4n.moveTab2End.setEnabled(true);
                } else {
                        A4n.moveTab2Right.setEnabled(false);
                        A4n.moveTab2End.setEnabled(false);
                }
        }
        
        /*public JTabbedPane
        getTabbedPane() { return tabbedPane; }*/
        
        public JMenu
        getTabsMenu() { return tabsMenu; }
        
        @Override
        public void
        stateChanged(ChangeEvent e) {
                updateTabsMenu();
                checkChannelSelection(getSelectedChannelsPane());
                checkTabSelection();
        }
        
        @Override
        public void
        valueChanged(ListSelectionEvent e) {
                if(e.getValueIsAdjusting()) return;
                if(e.getSource() != getSelectedChannelsPane()) return;
                
                checkChannelSelection(getSelectedChannelsPane());
        }
        
        public void
        moveTab2Beginning() {
                int idx = tabbedPane.getSelectedIndex();
                if(idx < 1) {
                        CC.getLogger().info("Can't move tab to beginning");
                        return;
                }
                
                JSChannelsPane c = (JSChannelsPane)tabbedPane.getSelectedComponent();
                if(getChannelsPane(idx) != c)
                        CC.getLogger().warning("Channels pane indices don't match");
                removeChannelsPane(c);
                insertChannelsPane(c, 0);
                tabbedPane.setSelectedComponent(c);
        }
        
        public void
        moveTab2Left() {
                int idx = tabbedPane.getSelectedIndex();
                if(idx < 1) {
                        CC.getLogger().info("Can't move tab to left");
                        return;
                }
                
                
                JSChannelsPane c = (JSChannelsPane)tabbedPane.getSelectedComponent();
                if(getChannelsPane(idx) != c)
                        CC.getLogger().warning("Channels pane indices don't match");
                removeChannelsPane(c);
                insertChannelsPane(c, idx - 1);
                tabbedPane.setSelectedComponent(c);
        }
        
        public void
        moveTab2Right() {
                int idx = tabbedPane.getSelectedIndex();
                if(idx == -1 && idx >= tabbedPane.getTabCount()) {
                        CC.getLogger().info("Can't move tab to right");
                        return;
                }
                
                JSChannelsPane c = (JSChannelsPane)tabbedPane.getSelectedComponent();
                if(getChannelsPane(idx) != c)
                        CC.getLogger().warning("Channels pane indices don't match");
                removeChannelsPane(c);
                insertChannelsPane(c, idx + 1);
                tabbedPane.setSelectedComponent(c);
        }
        
        public void
        moveTab2End() {
                int idx = tabbedPane.getSelectedIndex();
                if(idx == -1 && idx >= tabbedPane.getTabCount()) {
                        CC.getLogger().info("Can't move tab to right");
                        return;
                }
                
                JSChannelsPane c = (JSChannelsPane)tabbedPane.getSelectedComponent();
                if(getChannelsPane(idx) != c)
                        CC.getLogger().warning("Channels pane indices don't match");
                removeChannelsPane(c);
                addChannelsPane(c);
                tabbedPane.setSelectedComponent(c);
        }
        
        protected void
        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;
                
                String path = fc.getCurrentDirectory().getAbsolutePath();
                preferences().setStringProperty("lastScriptLocation", path);
                                        
                runScript(fc.getSelectedFile());
        }
        
        @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;
                }
                
                BufferedReader br = new BufferedReader(fr);
                
                try {
                        String s = br.readLine();
                        while(s != null) {
                                getLSConsoleModel().setCommandLineText(s);
                                getLSConsoleModel().execCommand();
                                s = br.readLine();
                        }
                } catch(Exception e) {
                        HF.showErrorMessage(e);
                        return;
                }
                
                if(preferences().getBoolProperty(SHOW_LS_CONSOLE_WHEN_RUN_SCRIPT)) {
                        if(!cbmiLSConsoleShown.isSelected()) cbmiLSConsoleShown.doClick(0);
                }
                
                String s = script.getAbsolutePath();
                recentScripts.remove(s);
                recentScripts.insertElementAt(s, 0);
                
                updateRecentScriptsMenu();
        }
        
        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);
        }
        
        @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);
        }
}