qic.ui.EditorPanel.java Source code

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Here is the source code for qic.ui.EditorPanel.java

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/*
 * Copyright (C) 2015 thirdy
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package qic.ui;

import java.awt.BorderLayout;
import java.awt.Font;
import java.io.File;
import java.io.IOException;

import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreeSelectionModel;

import org.apache.commons.io.FileUtils;
import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
import org.fife.ui.rsyntaxtextarea.SyntaxConstants;
import org.fife.ui.rtextarea.RTextScrollPane;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import qic.ui.extra.FileTreeModel;
import qic.util.SwingUtil;
import qic.util.Util;

/**
 * @author thirdy
 *
 */
public class EditorPanel extends JPanel {
    private static final long serialVersionUID = 1L;

    private final Logger logger = LoggerFactory.getLogger(this.getClass().getName());

    private RSyntaxTextArea textArea;
    private JTree fileTree;
    private File currentScript;

    public EditorPanel() {
        setLayout(new BorderLayout());

        //      String websiteUrl = "http://thirdy.github.io/durian/";
        //      JButton website = new JButtonLink("Website: " + websiteUrl, websiteUrl);

        setupTextArea();
        setupFileTree();

    }

    private void setupFileTree() {
        TreeModel model = new FileTreeModel(new File("."));
        fileTree = new JTree(model);
        fileTree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
        fileTree.addTreeSelectionListener(tse -> {
            File file = (File) fileTree.getLastSelectedPathComponent();
            if (isFileEditable(file)) {
                saveCurrentScriptToFile();
                currentScript = file;
                loadFileToTextArea(file);
            }
        });
        fileTree.setSelectionRow(0);
        add(new JScrollPane(fileTree), BorderLayout.EAST);
    }

    private boolean isFileEditable(File file) {
        if (file != null && file.isFile()) {
            boolean isAudio = file.getName().endsWith(".wav") || file.getName().endsWith(".mp3");
            return !isAudio;
        }
        return false;
    }

    private void setupTextArea() {
        textArea = new RSyntaxTextArea(20, 60);
        textArea.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_JAVASCRIPT);
        textArea.setCodeFoldingEnabled(true);
        textArea.setFont(new Font("Consolas", Font.TRUETYPE_FONT, 12));
        add(new RTextScrollPane(textArea), BorderLayout.CENTER);
    }

    private void saveCurrentScriptToFile() {
        if (currentScript != null) {
            try {
                Util.overwriteFile(currentScript, textArea.getText());
            } catch (IOException e) {
                logger.error(e.getMessage(), e);
                SwingUtil.showError(e);
            }
        }
    }

    private void loadFileToTextArea(File file) {
        try {
            String str = FileUtils.readFileToString(file, "UTF-8");
            textArea.setText(str);
            textArea.setCaretPosition(0);
        } catch (IOException e) {
            logger.error(e.getMessage(), e);
            SwingUtil.showError(e);
        }
    }
}