/*
* soapUI, copyright (C) 2004-2011 eviware.com
*
* soapUI is free software; you can redistribute it and/or modify it under the
* terms of version 2.1 of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* soapUI 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 Lesser General Public License for more details at gnu.org.
*/
package com.eviware.soapui.support.components;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
import javax.swing.event.UndoableEditEvent;
import javax.swing.event.UndoableEditListener;
import javax.swing.undo.CannotRedoException;
import javax.swing.undo.CannotUndoException;
import javax.swing.undo.UndoManager;
import com.eviware.soapui.support.UISupport;
import com.eviware.soapui.support.swing.JTextComponentPopupMenu;
/**
* JTextArea with Undo/Redo keyboard/popup support
*
* @author Ole.Matzura
*/
public class JUndoableTextField extends JTextField implements Undoable, UndoableEditListener, FocusListener
{
public static final int UNDO_LIMIT = 100;
private UndoManager undoManager;
private boolean discardEditsOnSet = false;
public JUndoableTextField()
{
super();
init();
}
public JUndoableTextField( boolean addPopup )
{
this();
if( addPopup )
JTextComponentPopupMenu.add( this );
}
private void init()
{
getDocument().addUndoableEditListener( this );
addFocusListener( this );
setMinimumSize( new Dimension( 50, 50 ) );
addKeyListener( new KeyAdapter()
{
public void keyPressed( KeyEvent e )
{
if( KeyStroke.getKeyStrokeForEvent( e ).equals( UISupport.getKeyStroke( "menu Z" ) ) )
undo();
else if( KeyStroke.getKeyStrokeForEvent( e ).equals( UISupport.getKeyStroke( "menu Y" ) ) )
redo();
else if( KeyStroke.getKeyStrokeForEvent( e ).equals( UISupport.getKeyStroke( "menu X" ) ) )
cut();
else if( KeyStroke.getKeyStrokeForEvent( e ).equals( UISupport.getKeyStroke( "menu C" ) ) )
copy();
else if( KeyStroke.getKeyStrokeForEvent( e ).equals( UISupport.getKeyStroke( "menu V" ) ) )
paste();
else
return;
e.consume();
}
} );
}
public JUndoableTextField( String text )
{
super( text );
init();
}
public JUndoableTextField( int columns )
{
super( columns );
init();
}
public JUndoableTextField( String text, int columns )
{
super( text, columns );
init();
}
public void setText( String text )
{
ensureUndoManager();
super.setText( text == null ? "" : text );
if( discardEditsOnSet && undoManager != null )
undoManager.discardAllEdits();
}
public boolean isDiscardEditsOnSet()
{
return discardEditsOnSet;
}
public void setDiscardEditsOnSet( boolean discardEditsOnSet )
{
this.discardEditsOnSet = discardEditsOnSet;
}
public UndoManager getUndoManager()
{
return undoManager;
}
private void ensureUndoManager()
{
if( isEditable() && undoManager == null )
{
undoManager = new UndoManager();
undoManager.setLimit( UNDO_LIMIT );
}
}
public void focusGained( FocusEvent fe )
{
ensureUndoManager();
}
public void focusLost( FocusEvent fe )
{
// removeUndoMananger();
}
public void undoableEditHappened( UndoableEditEvent e )
{
if( undoManager != null )
undoManager.addEdit( e.getEdit() );
}
public void undo()
{
if( !isEditable() )
{
getToolkit().beep();
return;
}
try
{
if( undoManager != null )
undoManager.undo();
}
catch( CannotUndoException cue )
{
Toolkit.getDefaultToolkit().beep();
}
}
public void redo()
{
if( !isEditable() )
{
getToolkit().beep();
return;
}
try
{
if( undoManager != null )
undoManager.redo();
}
catch( CannotRedoException cue )
{
Toolkit.getDefaultToolkit().beep();
}
}
public void setSelectedText( String txt )
{
replaceSelection( txt );
}
public boolean canRedo()
{
return undoManager != null && undoManager.canRedo();
}
public boolean canUndo()
{
return undoManager != null && undoManager.canUndo();
}
}