mspsim/se/sics/mspsim/extutil/highlight/HighlightSourceViewer.java

133 lines
4.4 KiB
Java

/*
* Copyright (c) 2007, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: $
*
* -----------------------------------------------------------------
*
* HighlightSourceViewer
*
* Authors : Adam Dunkels, Joakim Eriksson, Niclas Finne
* Created : 6 dec 2007
* Updated : $Date: 6 dec 2007 $
* $Revision: 1.0 $
*/
package se.sics.mspsim.extutil.highlight;
import java.awt.Container;
import java.io.FileReader;
import java.io.IOException;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.SwingUtilities;
import se.sics.mspsim.util.SourceViewer;
import se.sics.mspsim.util.WindowUtils;
/**
*
*/
public class HighlightSourceViewer implements SourceViewer {
private JFrame window;
private SyntaxHighlighter highlighter;
public HighlightSourceViewer() {
//
}
private void setup() {
if (window == null) {
window = new JFrame("Source Viewer");
window.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
Scanner scanner = new CScanner();
highlighter = new SyntaxHighlighter(24, 80, scanner);
highlighter.setBorder(new LineNumberedBorder(LineNumberedBorder.LEFT_SIDE, LineNumberedBorder.RIGHT_JUSTIFY));
JScrollPane scroller = new JScrollPane(highlighter);
scroller.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
Container pane = window.getContentPane();
pane.add(scroller);
WindowUtils.restoreWindowBounds("SourceViewer", window);
WindowUtils.addSaveOnShutdown("SourceViewer", window);
}
}
public boolean isVisible() {
return window != null && window.isVisible();
}
public void setVisible(boolean isVisible) {
setup();
window.setVisible(isVisible);
}
public void viewFile(final String file) {
setup();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
try {
FileReader reader = new FileReader(file);
try {
highlighter.read(reader, null);
// Workaround for bug 4782232 in Java 1.4
highlighter.setCaretPosition(1);
highlighter.setCaretPosition(0);
} finally {
reader.close();
}
} catch (IOException err) {
err.printStackTrace();
JOptionPane.showMessageDialog(window, "Failed to read the file '" + file + '\'', "Could not read file", JOptionPane.ERROR_MESSAGE);
}
}
});
}
public void viewLine(final int line) {
if (highlighter != null) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (line >= 0 && line < highlighter.getLineCount()) {
highlighter.setCaretPosition(highlighter.getLineStartOffset(line));
}
}
});
}
}
public static void main(String[] args) {
HighlightSourceViewer sv = new HighlightSourceViewer();
sv.setVisible(true);
sv.viewFile(args[0]);
}
}