com.townsfolkdesigns.jfugue.JFuguePlugin.java Source code

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Here is the source code for com.townsfolkdesigns.jfugue.JFuguePlugin.java

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/*
 * JFugue Plugin is a plugin for jEdit that provides basic functionality and 
 * access to JFugue.
 * Copyright (C) 2007 Eric Berry
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package com.townsfolkdesigns.jfugue;

import java.io.File;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

import javax.swing.JFileChooser;

import org.apache.commons.lang.StringUtils;
import org.gjt.sp.jedit.BeanShell;
import org.gjt.sp.jedit.Buffer;
import org.gjt.sp.jedit.EditPlugin;
import org.gjt.sp.jedit.View;
import org.gjt.sp.jedit.browser.VFSFileChooserDialog;
import org.gjt.sp.jedit.textarea.JEditTextArea;
import org.jfugue.Pattern;
import org.jfugue.Player;

/**
 * @author elberry
 * 
 */
public class JFuguePlugin extends EditPlugin {

    private static ThreadPoolExecutor threadPool = new ThreadPoolExecutor(1, 5, 300, TimeUnit.SECONDS,
            new LinkedBlockingQueue<Runnable>());

    private final String CMD_PATH = "/bsh";

    /**
     * 
     */
    public JFuguePlugin() {
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.gjt.sp.jedit.EditPlugin#start()
     */
    @Override
    public void start() {
        BeanShell.getNameSpace().addCommandPath(CMD_PATH, getClass());
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.gjt.sp.jedit.EditPlugin#stop()
     */
    @Override
    public void stop() {
    }

    public static void playBuffer(View view) {
        JEditTextArea currentTextArea = view.getTextArea();
        String bufferText = currentTextArea.getText();
        if (StringUtils.isNotBlank(bufferText)) {
            playMusicString(bufferText);
        }
    }

    public static void playMusicString(String musicString) {
        if (StringUtils.isNotBlank(musicString)) {
            // run in Thread, so jEdit won't freeze up.
            threadPool.execute(new MusicPlayer(musicString));
        }
    }

    public static void playSelection(View view) {
        JEditTextArea currentTextArea = view.getTextArea();
        String selectedText = currentTextArea.getSelectedText();
        if (StringUtils.isNotBlank(selectedText)) {
            playMusicString(selectedText);
        } else {
            playBuffer(view);
        }
    }

    public static void saveBuffer(View view) {
        JEditTextArea currentTextArea = view.getTextArea();
        String bufferText = currentTextArea.getText();
        if (StringUtils.isNotBlank(bufferText)) {
            saveMusicString(view, bufferText);
        }
    }

    public static void saveSelection(View view) {
        JEditTextArea currentTextArea = view.getTextArea();
        String selectedText = currentTextArea.getSelectedText();
        if (StringUtils.isNotBlank(selectedText)) {
            saveMusicString(view, selectedText);
        } else {
            saveBuffer(view);
        }
    }

    public static void saveMusicString(View view, String musicString) {
        //Macros.message(view, "Saving Music String - musicString: " + musicString);
        Buffer buffer = view.getBuffer();
        VFSFileChooserDialog fileChooser = new VFSFileChooserDialog(view, buffer.getPath(),
                JFileChooser.SAVE_DIALOG, false);
        String[] selectedFiles = fileChooser.getSelectedFiles();
        if (selectedFiles != null && selectedFiles.length > 0) {
            String filePath = selectedFiles[0];
            //Macros.message(view, "Saving Music String - filePath: " + filePath);
            if (!filePath.endsWith("mid")) {
                filePath += ".mid";
            }
            //Macros.message(view, "Saving Music String - filePath: " + filePath);
            File file = new File(filePath);
            Pattern pattern = new Pattern(musicString);
            Player player = JFuguePlayerFactory.createJFuguePlayer();
            try {
                player.saveMidi(pattern, file);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}