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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package org.openoffice.accessibility.awb.view.text;
import javax.swing.text.JTextComponent;
import com.sun.star.accessibility.XAccessibleContext;
import com.sun.star.accessibility.XAccessibleEditableText;
import com.sun.star.lang.IndexOutOfBoundsException;
import com.sun.star.uno.UnoRuntime;
class TextEditDialog
extends TextActionDialog
{
public TextEditDialog (
XAccessibleContext xContext,
String sExplanation,
String sTitle )
{
super (xContext, sExplanation, sTitle);
}
protected void Layout()
{
super.Layout();
maText.setEditable (true);
}
/** edit the text */
boolean EditableTextAction (XAccessibleEditableText xText)
{
return UpdateText (xText, maText.getText());
}
/** update the text */
boolean UpdateText (XAccessibleEditableText xText, String sNew)
{
boolean bResult = false;
String sOld = xText.getText();
// false alarm? Early out if no change was done!
if ( ! sOld.equals (sNew))
{
// Get the minimum length of both strings.
int nMinLength = sOld.length();
if (sNew.length() < nMinLength)
nMinLength = sNew.length();
// Count equal characters from front and end.
int nFront = 0;
while ((nFront < nMinLength) &&
(sNew.charAt(nFront) == sOld.charAt(nFront)))
nFront++;
int nBack = 0;
while ((nBack < nMinLength) &&
(sNew.charAt(sNew.length()-nBack-1) ==
sOld.charAt(sOld.length()-nBack-1) ))
nBack++;
if (nFront + nBack > nMinLength)
nBack = nMinLength - nFront;
// so... the first nFront and the last nBack characters are the
// same. Change the others!
String sDel = sOld.substring (nFront, sOld.length() - nBack);
String sIns = sNew.substring (nFront, sNew.length() - nBack);
System.out.println ("edit text: " +
sOld.substring(0, nFront) +
" [ " + sDel + " -> " + sIns + " ] " +
sOld.substring(sOld.length() - nBack));
try
{
// edit the text, and use
// (set|insert|delete|replace)Text as needed
if( nFront+nBack == 0 )
bResult = xText.setText( sIns );
else if( sDel.length() == 0 )
bResult = xText.insertText( sIns, nFront );
else if( sIns.length() == 0 )
bResult = xText.deleteText( nFront, sOld.length()-nBack );
else
bResult = xText.replaceText(nFront, sOld.length()-nBack,sIns);
}
catch( IndexOutOfBoundsException aException)
{
}
}
return bResult;
}
}
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