| /** |
| * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany) |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Florian Pirchner - Initial implementation |
| */ |
| package org.eclipse.osbp.ecview.core.common.model.core.listeners; |
| |
| import org.eclipse.osbp.ecview.core.common.model.core.YField; |
| |
| public interface YValueChangeListener { |
| |
| /** |
| * Is called if the value of the field has changed. |
| * |
| * @param event |
| */ |
| void valueChanged(Event event); |
| |
| public static class Event { |
| private final YField yField; |
| private final Object newValue; |
| private final Object oldValue; |
| |
| public Event(YField yField, Object oldValue, Object newValue) { |
| this.yField = yField; |
| this.oldValue = oldValue; |
| this.newValue = newValue; |
| } |
| |
| /** |
| * Returns the field which value was changed. |
| * |
| * @return the yField |
| */ |
| public YField getField() { |
| return yField; |
| } |
| |
| /** |
| * Returns the new value of the field. |
| * |
| * @return the newValue |
| */ |
| public Object getNewValue() { |
| return newValue; |
| } |
| |
| /** |
| * Returns the old value of the field. |
| * |
| * @return the oldValue |
| */ |
| protected Object getOldValue() { |
| return oldValue; |
| } |
| |
| } |
| } |