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comparison dwtx/jface/viewers/ICellEditorValidator.d @ 10:b6c35faf97c8

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author Frank Benoit <benoit@tionex.de>
date Mon, 31 Mar 2008 00:47:19 +0200
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9:6c14e54dfc11 10:b6c35faf97c8
1 /*******************************************************************************
2 * Copyright (c) 2000, 2006 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module dwtx.jface.viewers.ICellEditorValidator;
14
15 import dwt.dwthelper.utils;
16
17 /**
18 * An interface for validating a cell editor's input.
19 * <p>
20 * This interface should be implemented by classes that wish to
21 * act as cell editor validators.
22 * </p>
23 */
24 public interface ICellEditorValidator {
25 /**
26 * Returns a string indicating whether the given value is valid;
27 * <code>null</code> means valid, and non-<code>null</code> means
28 * invalid, with the result being the error message to display
29 * to the end user.
30 * <p>
31 * It is the responsibility of the implementor to fully format the
32 * message before returning it.
33 * </p>
34 *
35 * @param value the value to be validated
36 * @return the error message, or <code>null</code> indicating
37 * that the value is valid
38 */
39 public String isValid(Object value);
40 }