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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;
+ }
+}