forked from amazingfate/loongoffice
94 lines
2.8 KiB
Java
94 lines
2.8 KiB
Java
/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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import com.sun.star.form.binding.*;
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/**
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*
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* @author fs@openoffice.org
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*/
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public class DateValidator extends ControlValidator
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{
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/** Creates a new instance of NumericValidator */
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public DateValidator( )
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{
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}
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public String explainInvalid( Object Value )
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{
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try
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{
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if ( isVoid( Value ) )
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return "empty input";
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com.sun.star.util.Date dateValue = (com.sun.star.util.Date)Value;
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if ( isDedicatedInvalidDate( dateValue ) )
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return "this is no valid date";
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if ( !isNextMonthsDate( dateValue ) )
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return "date must denote a day in the current month";
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}
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catch( java.lang.Exception e )
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{
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return "oops. What did you enter for this to happen?";
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}
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return "";
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}
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public boolean isValid( Object Value )
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{
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try
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{
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if ( isVoid( Value ) )
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return false;
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com.sun.star.util.Date dateValue = (com.sun.star.util.Date)
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com.sun.star.uno.AnyConverter.toObject(
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com.sun.star.util.Date.class, Value);
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if ( isDedicatedInvalidDate( dateValue ) )
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return false;
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if ( !isNextMonthsDate( dateValue ) )
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return false;
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return true;
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}
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catch( java.lang.Exception e )
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{
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e.printStackTrace( System.err );
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}
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return false;
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}
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private boolean isDedicatedInvalidDate( com.sun.star.util.Date dateValue )
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{
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return ( dateValue.Day == 0 ) && ( dateValue.Month == 0 ) && ( dateValue.Year == 0 );
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}
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private boolean isNextMonthsDate( com.sun.star.util.Date dateValue )
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{
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int overallMonth = dateValue.Year * 12 + dateValue.Month - 1;
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int todaysMonth = new java.util.Date().getMonth();
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int todaysYear = new java.util.Date().getYear() + 1900;
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int todaysOverallMonth = todaysYear * 12 + todaysMonth;
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return overallMonth == todaysOverallMonth;
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}
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}
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