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The ANTLR 4 grammar compiler.
/*
* Copyright (c) 2012 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD-3-Clause license that
* can be found in the LICENSE.txt file in the project root.
*/
package org.antlr.v4.gui;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import java.io.File;
/**
*
* @author Sam Harwell
*/
@SuppressWarnings("serial")
public class JFileChooserConfirmOverwrite extends JFileChooser {
public JFileChooserConfirmOverwrite() {
setMultiSelectionEnabled(false);
}
@Override
public void approveSelection() {
File selectedFile = getSelectedFile();
if (selectedFile.exists()) {
int answer = JOptionPane.showConfirmDialog(this,
"Overwrite existing file?",
"Overwrite?",
JOptionPane.YES_NO_OPTION);
if (answer != JOptionPane.YES_OPTION) {
// do not call super.approveSelection
return;
}
}
super.approveSelection();
}
}