Use a BufferedReader, not a LineNumberReader.

[anag] / AnagGUI.java

/* -*-java-*-
 *
 * $Id: AnagGUI.java,v 1.3 2001/02/16 21:46:10 mdw Exp $
 *
 * Front-end GUI
 *
 * (c) 2001 Mark Wooding
 */

/*----- Licensing notice --------------------------------------------------* 
 *
 * This file is part of Anag: a simple wordgame helper.
 *
 * Anag 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.
 * 
 * Anag 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 Anag; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/*----- Revision history --------------------------------------------------* 
 *
 * $Log: AnagGUI.java,v $
 * Revision 1.3  2001/02/16 21:46:10  mdw
 * Use a BufferedReader, not a LineNumberReader.
 *
 * Revision 1.2  2001/02/07 09:10:04  mdw
 * Add a settings panel (currently only allows the wordlist to be
 * changed).  Move the buttons down the right-hand side of the list.  Add a
 * `Run' button which passes arguments through directly.
 *
 * Revision 1.1  2001/02/04 19:53:07  mdw
 * Simple GUI front-end in Java.
 *
 */

/*----- Imports -----------------------------------------------------------*/

import java.lang.*;
import java.util.*;
import java.io.*;
import java.awt.*;
import java.applet.*;
import java.awt.event.*;

/*----- Main code ---------------------------------------------------------*/

class Whinge extends Frame {
  public Whinge(String gripe) {
    super("Error from AnagGUI");
    setLayout(new GridBagLayout());
    GridBagConstraints g = new GridBagConstraints();

    addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) { dispose(); }
    });

    g.gridx = g.gridy = GridBagConstraints.RELATIVE;
    g.gridwidth = GridBagConstraints.REMAINDER; g.gridheight = 1;
    g.weightx = g.weighty = 1;
    g.insets = new Insets(24, 24, 24, 24);
    add(new Label(gripe), g);

    Button b = new Button("Bummer");
    b.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) { dispose(); }
    });
    g.weighty = 0;
    g.insets.top = 0; g.insets.bottom = 24;
    add(b, g);
    pack();
    show();    
  }
};

class AnagPanel extends Panel {
  TextField word;
  java.awt.List list;
  String file;
  Settings sb;

  class Settings extends Frame {
    TextField name;
  
    public Settings() {
      super("AnagGUI settings");
      Button b;
      GridBagConstraints g = new GridBagConstraints();
      this.setLayout(new GridBagLayout());
      this.addWindowListener(new WindowAdapter() {
	public void windowClosing(WindowEvent e) { dispose(); sb = null; }
      });
      g.gridx = g.gridy = GridBagConstraints.RELATIVE;
      g.gridheight = 1;
      g.weighty = 0;
      g.fill = GridBagConstraints.NONE;
      g.gridwidth = 1; g.weightx = 0;
      g.insets = new Insets(8, 8, 8, 8);
      this.add(new Label("Word list"), g);
      g.fill = GridBagConstraints.HORIZONTAL;
      g.gridwidth = GridBagConstraints.REMAINDER; g.weightx = 1;
      g.insets.left = 0;
      name = new TextField(20);
      name.setText(file);
      this.add(name, g);
      g.insets.left = 8; g.insets.top = 0; g.gridwidth = 1;
      g.weightx = 0; this.add(new Panel(), g);
      g.weightx = 1; this.add(new Panel(), g);
      g.weightx = 0;
      g.insets.left = 0;
      b = new Button("Cancel");
      b.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent e) { dispose(); sb = null; }
      });
      this.add(b, g);
      b = new Button("OK");
      b.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent e) {
	  file = name.getText(); dispose(); sb = null;
	}
      });
      this.add(b, g);
      this.pack();
      this.show();
    }
  };

  void splat(String gripe) { new Whinge(gripe); }
  void settings() { if (sb != null) sb.toFront(); else sb = new Settings(); }

  void listen(Process p) throws IOException {
    BufferedReader fout =
      new BufferedReader(new InputStreamReader(p.getInputStream()));
    BufferedReader ferr =
      new BufferedReader(new InputStreamReader(p.getErrorStream()));

    String l;
    Vector v = new Vector();
    while ((l = fout.readLine()) != null)
      v.addElement(l);
    StringBuffer d = new StringBuffer();
    while ((l = ferr.readLine()) != null)
      d.append(l).append("\n");
    l = d.toString();
    if (l.length() > 0)
      splat(l);
    else {
      list.removeAll();
      int i;
      String[] vv = new String[v.size()];
      v.copyInto(vv);
      for (i = 0; i < vv.length; i++)
	list.add(vv[i]);
    }
  }

  void run() {
    try {
      StringBuffer b = new StringBuffer();
      b.append("anag -file ")
       .append(file)
       .append(" ")
       .append(word.getText());
      Process p = Runtime.getRuntime().exec(b.toString());
      listen(p);
    } catch (IOException e) {
      splat(e.toString());
    }
  }

  void getlist(String tag) {
    try {
      Vector v = new Vector();
      String[] vv;
      v.addElement("anag");
      v.addElement("-file");
      v.addElement(file);
      v.addElement(tag);
      v.addElement(word.getText());
      vv = new String[v.size()];
      v.copyInto(vv);
      Process p = Runtime.getRuntime().exec(vv);
      listen(p);
    } catch (IOException e) {
      splat(e.toString());
    }
  }

  public AnagPanel() {
    super();
    setLayout(new GridBagLayout());
    GridBagConstraints g = new GridBagConstraints();
    Button b;

    file = "/usr/dict/words";
    sb = null;

    g.gridx = g.gridy = GridBagConstraints.RELATIVE;
    g.gridwidth = GridBagConstraints.REMAINDER; g.gridheight = 1;
    g.weightx = 1; g.weighty = 0;

    word = new TextField(20);
    g.fill = GridBagConstraints.HORIZONTAL;
    g.insets = new Insets(8, 8, 8, 8);
    add(word, g);

    list = new java.awt.List(20);
    g.fill = GridBagConstraints.BOTH;
    g.insets.top = 0;
    g.gridwidth = 1; g.gridheight = GridBagConstraints.REMAINDER;
    g.weightx = g.weighty = 1;
    add(list, g);

    g.fill = GridBagConstraints.BOTH;
    g.weightx = 0; g.weighty = 1;
    g.insets.left = 0;
    g.gridheight = 1; g.gridwidth = GridBagConstraints.REMAINDER;
    add(new Panel(), g);

    g.fill = GridBagConstraints.HORIZONTAL;
    g.weighty = 0;

    b = new Button("Anagram");
    b.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) { getlist("-anagram"); }
    });
    add(b, g);

    b = new Button("Subgram");
    b.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) { getlist("-subgram"); }
    });
    add(b, g);

    b = new Button("Wildcard");
    b.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) { getlist("-wildcard"); }
    });
    add(b, g);

    b = new Button("Trackword");
    b.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) { getlist("-trackword"); }
    });
    add(b, g);

    b = new Button("Run");
    b.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) { run(); }
    });
    add(b, g);

    b = new Button("Settings...");
    b.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) { settings(); }
    });
    add(b, g);
  }
};

/*----- Program or applet -------------------------------------------------*/

public class AnagGUI extends Applet {
  public static void main(String[] argv) {
    Frame f = new Frame("Anagram solver");
    f.addWindowListener(new WindowAdapter() {
	public void windowClosing(WindowEvent e) { System.exit(0); }
    });
    AnagPanel p = new AnagPanel();
    f.add(p);
    f.pack();
    f.show();
  }
  public AnagGUI() { super(); setLayout(new BorderLayout()); }
  public void init() { add(new AnagPanel()); }
  public void destroy() { removeAll(); }
};

/*----- That's all, folks -------------------------------------------------*/