Mercurial > projects > dwt-addons
view dwtx/jface/viewers/ICellEditorValidator.d @ 10:b6c35faf97c8
Viewers
author | Frank Benoit <benoit@tionex.de> |
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date | Mon, 31 Mar 2008 00:47:19 +0200 |
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/******************************************************************************* * Copyright (c) 2000, 2006 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module dwtx.jface.viewers.ICellEditorValidator; import dwt.dwthelper.utils; /** * An interface for validating a cell editor's input. * <p> * This interface should be implemented by classes that wish to * act as cell editor validators. * </p> */ public interface ICellEditorValidator { /** * Returns a string indicating whether the given value is valid; * <code>null</code> means valid, and non-<code>null</code> means * invalid, with the result being the error message to display * to the end user. * <p> * It is the responsibility of the implementor to fully format the * message before returning it. * </p> * * @param value the value to be validated * @return the error message, or <code>null</code> indicating * that the value is valid */ public String isValid(Object value); }