//: FileDialogTest.java
//////////////////////////////////////////////////
// Copyright (c) Bruce Eckel, 1998
// Source code file from the book "Thinking in Java"
// All rights reserved EXCEPT as allowed by the
// following statements: You can freely use this file
// for your own work (personal or commercial),
// including modifications and distribution in
// executable form only. Permission is granted to use
// this file in classroom situations, including its
// use in presentation materials, as long as the book
// "Thinking in Java" is cited as the source. 
// Except in classroom situations, you cannot copy
// and distribute this code; instead, the sole
// distribution point is http://www.BruceEckel.com 
// (and official mirror sites) where it is
// freely available. You cannot remove this
// copyright and notice. You cannot distribute
// modified versions of the source code in this
// package. You cannot use this file in printed
// media without the express permission of the
// author. Bruce Eckel makes no representation about
// the suitability of this software for any purpose.
// It is provided "as is" without express or implied
// warranty of any kind, including any implied
// warranty of merchantability, fitness for a
// particular purpose or non-infringement. The entire
// risk as to the quality and performance of the
// software is with you. Bruce Eckel and the
// publisher shall not be liable for any damages
// suffered by you or any third party as a result of
// using or distributing software. In no event will
// Bruce Eckel or the publisher be liable for any
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// indirect, special, consequential, incidental, or
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// and the publisher have been advised of the
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// prove defective, you assume the cost of all
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// address for non-code errors found in the book.)
/////////////////////////////////////////////////

// Demonstration of File dialog boxes
import java.awt.*;

public class FileDialogTest extends Frame {
  TextField filename = new TextField();
  TextField directory = new TextField();
  Button open = new Button("Open");
  Button save = new Button("Save");
  public FileDialogTest() {
    setTitle("File Dialog Test");
    Panel p = new Panel();
    p.setLayout(new FlowLayout());
    p.add(open);
    p.add(save);
    add("South", p);
    directory.setEditable(false);
    filename.setEditable(false);
    p = new Panel();
    p.setLayout(new GridLayout(2,1));
    p.add(filename);
    p.add(directory);
    add("North", p);
  }
  public boolean handleEvent(Event evt) {
    if(evt.id == Event.WINDOW_DESTROY) 
      System.exit(0);
    else 
      return super.handleEvent(evt);
    return true;
  }
  public boolean action(Event evt, Object arg) {
    if(evt.target.equals(open)) {
      // Two arguments, defaults to open file:
      FileDialog d = new FileDialog(this,
        "What file do you want to open?");
      d.setFile("*.java"); // Filename filter
      d.setDirectory("."); // Current directory
      d.show();
      String openFile;
      if((openFile = d.getFile()) != null) {
        filename.setText(openFile);
        directory.setText(d.getDirectory());
      } else {
        filename.setText("You pressed cancel");
        directory.setText("");
      }
    } 
    else if(evt.target.equals(save)) {
      FileDialog d = new FileDialog(this,
        "What file do you want to save?",
        FileDialog.SAVE);
      d.setFile("*.java");
      d.setDirectory(".");
      d.show();
      String saveFile;
      if((saveFile = d.getFile()) != null) {
        filename.setText(saveFile);
        directory.setText(d.getDirectory());
      } else {
        filename.setText("You pressed cancel");
        directory.setText("");
      }
    } 
    else 
      return super.action(evt, arg);
    return true;
  }
  public static void main(String[] args) {
    Frame f = new FileDialogTest();
    f.resize(250,110);
    f.show();
  }
} ///:~