org.ayound.js.debug.ui.editor.AbstractEditor.java Source code

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Here is the source code for org.ayound.js.debug.ui.editor.AbstractEditor.java

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/*******************************************************************************
 *
 *==============================================================================
 *
 * Copyright (c) 2008-2011 ayound@gmail.com
 * This program and the accompanying materials
 * are made available under the terms of the Apache License 2.0
 * which accompanies this distribution, and is available at
 * http://www.apache.org/licenses/LICENSE-2.0
 * All rights reserved.
 *
 * Created on 2009-3-27
 *******************************************************************************/

package org.ayound.js.debug.ui.editor;

import java.io.File;
import java.io.IOException;
import java.net.URL;

import javax.swing.ImageIcon;
import javax.swing.JRootPane;
import javax.swing.text.BadLocationException;

import org.apache.commons.io.FileUtils;
import org.ayound.js.debug.engine.CharsetDetector;
import org.ayound.js.debug.engine.EngineManager;
import org.ayound.js.debug.listener.IBreakPointListener;
import org.ayound.js.debug.model.BreakPointModel;
import org.ayound.js.debug.ui.DebugMainFrame;
import org.ayound.js.debug.util.BreakPointManager;
import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
import org.fife.ui.rsyntaxtextarea.SyntaxConstants;
import org.fife.ui.rtextarea.Gutter;
import org.fife.ui.rtextarea.RTextScrollPane;

public class AbstractEditor extends JRootPane implements SyntaxConstants {

    public AbstractEditor(String contextTpye) {
        this.contextType = contextTpye;
        init();
    }

    private RTextScrollPane scrollPane;

    private RSyntaxTextArea textArea;

    private String contextType;

    private String filePath;

    private Gutter gutter;

    public void init() {
        textArea = createTextArea();
        scrollPane = new RTextScrollPane(textArea);
        gutter = scrollPane.getGutter();
        gutter.setBookmarkingEnabled(true);
        URL url = DebugMainFrame.class.getResource("icons/breakpoint.gif");
        gutter.setBookmarkIcon(new ImageIcon(url));
        getContentPane().add(scrollPane);
        addBreakPointListener();
    }

    private RSyntaxTextArea createTextArea() {
        RSyntaxTextArea textArea = new RSyntaxTextArea();
        textArea.setSyntaxEditingStyle(this.getContextType());
        textArea.setCaretPosition(0);
        textArea.setEditable(false);
        textArea.requestFocusInWindow();
        textArea.setMarkOccurrences(true);
        textArea.setWrapStyleWord(false);
        return textArea;
    }

    private void addBreakPointListener() {
        BreakPointManager.addBreakPointListener(new IBreakPointListener() {

            public void addBreakPoint(BreakPointModel model) {

            }

            public void removeBreakPoint(BreakPointModel model) {
            }

            public void updateBreakPoints() {
                updateBookMark();
            }

        });
    }

    private void updateBookMark() {
        gutter.removeAllTrackingIcons();
        for (BreakPointModel model : BreakPointManager.getAllBreakPoints()) {
            if (filePath != null && filePath.equals(model.getResourcePath())) {
                try {
                    gutter.addLineTrackingIcon(model.getLineNumber(), gutter.getBookmarkIcon());
                } catch (BadLocationException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }
    }

    public String getText() {
        return textArea.getText();
    }

    public void setText(String text) {
        textArea.setText(text);
    }

    public void openFile(File file) {
        filePath = file.getAbsolutePath();
        String fileContent;
        try {
            CharsetDetector detector = new CharsetDetector();
            detector.detect(file);
            String encoding = detector.getCharset();
            fileContent = FileUtils.readFileToString(file, encoding);
            setText(fileContent);
            EngineManager.getEngine().compileFile(file);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        updateBookMark();
    }

    public String getFilePath() {
        return filePath;
    }

    public void focus(int line) {
        int offset;
        try {
            offset = textArea.getLineEndOffset(line - 2);
            if (offset > 0) {
                textArea.setCaretPosition(offset);
            }
        } catch (BadLocationException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

    public String getContextType() {
        return contextType;
    }

    public void setContextType(String contextType) {
        this.contextType = contextType;
    }

}