Files
loongoffice/odk/examples/DevelopersGuide/Forms/DateValidator.java
Rüdiger Timm 1252bbb022 INTEGRATION: CWS ooo19126 (1.2.30); FILE MERGED
2005/09/05 13:51:51 rt 1.2.30.1: #i54170# Change license header: remove SISSL
2005-09-07 19:07:13 +00:00

109 lines
3.3 KiB
Java

/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: DateValidator.java,v $
*
* $Revision: 1.3 $
*
* last change: $Author: rt $ $Date: 2005-09-07 20:07:13 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
import com.sun.star.form.binding.*;
/**
*
* @author fs@openoffice.org
*/
public class DateValidator extends ControlValidator
{
/** Creates a new instance of NumericValidator */
public DateValidator( )
{
}
public String explainInvalid( Object Value )
{
try
{
if ( isVoid( Value ) )
return "empty input";
com.sun.star.util.Date dateValue = (com.sun.star.util.Date)Value;
if ( isDedicatedInvalidDate( dateValue ) )
return "this is no valid date";
if ( !isNextMonthsDate( dateValue ) )
return "date must denote a day in the current month";
}
catch( java.lang.Exception e )
{
return "oops. What did you enter for this to happen?";
}
return "";
}
public boolean isValid( Object Value )
{
try
{
if ( isVoid( Value ) )
return false;
com.sun.star.util.Date dateValue = (com.sun.star.util.Date)Value;
if ( isDedicatedInvalidDate( dateValue ) )
return false;
if ( !isNextMonthsDate( dateValue ) )
return false;
return true;
}
catch( java.lang.Exception e )
{
e.printStackTrace( System.err );
}
return false;
}
private boolean isDedicatedInvalidDate( com.sun.star.util.Date dateValue )
{
return ( dateValue.Day == 0 ) && ( dateValue.Month == 0 ) && ( dateValue.Year == 0 );
}
private boolean isNextMonthsDate( com.sun.star.util.Date dateValue )
{
int overallMonth = dateValue.Year * 12 + dateValue.Month - 1;
int todaysMonth = new java.util.Date().getMonth();
int todaysYear = new java.util.Date().getYear() + 1900;
int todaysOverallMonth = todaysYear * 12 + todaysMonth;
return overallMonth == todaysOverallMonth;
}
}