| /* |
| * Copyright (C) 2005 db4objects Inc. http://www.db4o.com |
| * |
| * 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: |
| * db4objects - Initial API and implementation |
| */ |
| package org.eclipse.jface.databinding.validator; |
| |
| import org.eclipse.jface.internal.databinding.BindingMessages; |
| |
| |
| /** |
| * ReadOnlyValidator. The validator that can be used for read-only fields. |
| */ |
| public class ReadOnlyValidator implements IValidator { |
| |
| private static ReadOnlyValidator singleton = null; |
| |
| /** |
| * Returns the ReadOnlyValidator |
| * |
| * @return the ReadOnlyValidator |
| */ |
| public static ReadOnlyValidator getDefault() { |
| if (singleton == null) { |
| singleton = new ReadOnlyValidator(); |
| } |
| return singleton; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.databinding.validator.IValidator#isPartiallyValid(java.lang.Object) |
| */ |
| public String isPartiallyValid(Object fragment) { |
| // No changes are allowed |
| return BindingMessages.getString("Validate_NoChangeAllowed"); //$NON-NLS-1$ |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ICellEditorValidator#isValid(java.lang.Object) |
| */ |
| public String isValid(Object value) { |
| // The current value is always valid |
| return null; |
| } |
| |
| } |
