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Diffstat (limited to 'odk/examples/DevelopersGuide/Forms/ControlValidator.java')
-rw-r--r-- | odk/examples/DevelopersGuide/Forms/ControlValidator.java | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/odk/examples/DevelopersGuide/Forms/ControlValidator.java b/odk/examples/DevelopersGuide/Forms/ControlValidator.java new file mode 100644 index 000000000000..0ce594633590 --- /dev/null +++ b/odk/examples/DevelopersGuide/Forms/ControlValidator.java @@ -0,0 +1,60 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +/** base class for components validating the content of form controls + * + * @author fs@openoffice.org + */ +public abstract class ControlValidator implements com.sun.star.form.validation.XValidator +{ + + /** Creates a new instance of ControlValidator */ + public ControlValidator() + { + } + + public void addValidityConstraintListener(com.sun.star.form.validation.XValidityConstraintListener xValidityConstraintListener) + { + } + + public void removeValidityConstraintListener(com.sun.star.form.validation.XValidityConstraintListener xValidityConstraintListener) + { + } + + protected boolean isVoid( Object Value ) + { + try + { + return ( com.sun.star.uno.AnyConverter.getType(Value).getTypeClass() + == com.sun.star.uno.TypeClass.VOID ); + } + catch( java.lang.ClassCastException e ) + { + } + return false; + } +} |