A
Andrew Thompson
<asbestos suit>
I have encountered so many threads
tonight that were disjointed by
top-posting that I writ this..
___________________
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.BevelBorder;
import java.util.StringTokenizer;
/** GUI for the ReverseText class. */
public class ReverseFrame
extends JFrame implements KeyListener
{
int rows = 10, cols = 20;
JTextArea taIn = new JTextArea(rows, cols),
taOut = new JTextArea(rows, cols);
JCheckBox cbLine = new JCheckBox("Lines", true),
cbLetter = new JCheckBox("Characters", false);
/** Creates a ReverseText GUI. */
public ReverseFrame()
{
super("Reverse Text");
JPanel pMain = new JPanel( new BorderLayout() ),
pIO = new JPanel( new GridLayout(0,1) ),
pControl = new JPanel();
taIn.setBorder( new BevelBorder(BevelBorder.LOWERED) );
taIn.addKeyListener( this );
pIO.add( taIn );
taOut.setBorder( new BevelBorder(BevelBorder.LOWERED) );
pIO.add( taOut );
pMain.add( pIO, BorderLayout.CENTER );
pControl.add( new JLabel("Reverse:") );
pControl.add( cbLine );
pControl.add( cbLetter );
pMain.add( pControl, BorderLayout.NORTH );
setDefaultCloseOperation(
WindowConstants.DISPOSE_ON_CLOSE );
setContentPane( pMain );
pack();
validate();
setSize( getPreferredSize() );
setLocation(500,25);
taIn.requestFocus();
}
public void keyTyped(KeyEvent ke) {}
public void keyPressed(KeyEvent ke) {}
public void keyReleased(KeyEvent ke)
{
taOut.setText( ReverseText.reverse( taIn.getText(),
cbLine.isSelected(), cbLetter.isSelected() ) );
}
public static void main(String[] args)
{
ReverseFrame rf = new ReverseFrame();
rf.setVisible(true);
}
}
/** A class that demonstrates the
disadvantages of top-posting. */
class ReverseText
{
//private static final boolean TEST = false;
/** Reverses lines and/or letters according to the
two booleans. */
public static String reverse( String s,
boolean lines, boolean letters )
{
return reverseLine(s, lines, letters);
}
/** Swaps the order of the lines. */
public static String reverseLine(
String s, boolean lines, boolean letters )
{
StringTokenizer st = new StringTokenizer(s, "\n");
int ii = st.countTokens();
String[] sAll = new String[ ii ];
// put the lines in the array in reverse order
while( st.hasMoreTokens() )
{
sAll[--ii] = st.nextToken();
}
// now read them into the StringBuffer in that order
StringBuffer sb = new StringBuffer();
for (ii=0; ii<sAll.length; ii++)
{
sb.append( reverseLetter(sAll[ii], letters) + "\n" );
}
return sb.toString();
}
/** Swaps the order of the letters. */
public static String reverseLetter(String s, boolean letters)
{
if (!letters) return s;
else
{
StringBuffer sb = new StringBuffer();
for (int ii=s.length()-1; ii>-1; ii--)
{
sb.append( s.substring( ii, ii+1) );
}
return sb.toString();
}
}
}
___________________
I must be _really_ bored..
</asbestos suit>
Now, I must get on with things that
are (hopefully) _not_ going to attract
abuse and derision.. ;-)
I have encountered so many threads
tonight that were disjointed by
top-posting that I writ this..
___________________
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.BevelBorder;
import java.util.StringTokenizer;
/** GUI for the ReverseText class. */
public class ReverseFrame
extends JFrame implements KeyListener
{
int rows = 10, cols = 20;
JTextArea taIn = new JTextArea(rows, cols),
taOut = new JTextArea(rows, cols);
JCheckBox cbLine = new JCheckBox("Lines", true),
cbLetter = new JCheckBox("Characters", false);
/** Creates a ReverseText GUI. */
public ReverseFrame()
{
super("Reverse Text");
JPanel pMain = new JPanel( new BorderLayout() ),
pIO = new JPanel( new GridLayout(0,1) ),
pControl = new JPanel();
taIn.setBorder( new BevelBorder(BevelBorder.LOWERED) );
taIn.addKeyListener( this );
pIO.add( taIn );
taOut.setBorder( new BevelBorder(BevelBorder.LOWERED) );
pIO.add( taOut );
pMain.add( pIO, BorderLayout.CENTER );
pControl.add( new JLabel("Reverse:") );
pControl.add( cbLine );
pControl.add( cbLetter );
pMain.add( pControl, BorderLayout.NORTH );
setDefaultCloseOperation(
WindowConstants.DISPOSE_ON_CLOSE );
setContentPane( pMain );
pack();
validate();
setSize( getPreferredSize() );
setLocation(500,25);
taIn.requestFocus();
}
public void keyTyped(KeyEvent ke) {}
public void keyPressed(KeyEvent ke) {}
public void keyReleased(KeyEvent ke)
{
taOut.setText( ReverseText.reverse( taIn.getText(),
cbLine.isSelected(), cbLetter.isSelected() ) );
}
public static void main(String[] args)
{
ReverseFrame rf = new ReverseFrame();
rf.setVisible(true);
}
}
/** A class that demonstrates the
disadvantages of top-posting. */
class ReverseText
{
//private static final boolean TEST = false;
/** Reverses lines and/or letters according to the
two booleans. */
public static String reverse( String s,
boolean lines, boolean letters )
{
return reverseLine(s, lines, letters);
}
/** Swaps the order of the lines. */
public static String reverseLine(
String s, boolean lines, boolean letters )
{
StringTokenizer st = new StringTokenizer(s, "\n");
int ii = st.countTokens();
String[] sAll = new String[ ii ];
// put the lines in the array in reverse order
while( st.hasMoreTokens() )
{
sAll[--ii] = st.nextToken();
}
// now read them into the StringBuffer in that order
StringBuffer sb = new StringBuffer();
for (ii=0; ii<sAll.length; ii++)
{
sb.append( reverseLetter(sAll[ii], letters) + "\n" );
}
return sb.toString();
}
/** Swaps the order of the letters. */
public static String reverseLetter(String s, boolean letters)
{
if (!letters) return s;
else
{
StringBuffer sb = new StringBuffer();
for (int ii=s.length()-1; ii>-1; ii--)
{
sb.append( s.substring( ii, ii+1) );
}
return sb.toString();
}
}
}
___________________
I must be _really_ bored..
</asbestos suit>
Now, I must get on with things that
are (hopefully) _not_ going to attract
abuse and derision.. ;-)
