1 /* |
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2 * CDDL HEADER START |
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3 * |
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4 * The contents of this file are subject to the terms of the |
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5 * Common Development and Distribution License (the "License"). |
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6 * You may not use this file except in compliance with the License. |
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7 * |
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8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
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9 * or http://www.opensolaris.org/os/licensing. |
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10 * See the License for the specific language governing permissions |
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11 * and limitations under the License. |
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12 * |
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13 * When distributing Covered Code, include this CDDL HEADER in each |
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14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
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15 * If applicable, add the following below this CDDL HEADER, with the |
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16 * fields enclosed by brackets "[]" replaced with your own identifying |
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17 * information: Portions Copyright [yyyy] [name of copyright owner] |
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18 * |
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19 * CDDL HEADER END |
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20 */ |
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21 |
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22 /* |
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23 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. |
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24 */ |
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25 |
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26 package com.oracle.solaris.vp.util.misc; |
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27 |
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28 import javax.swing.event.ChangeListener; |
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29 |
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30 public interface Changeable { |
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31 /** |
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32 * Adds a {@code ChangeListener} to listen for changes in this property. |
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33 */ |
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34 void addChangeListener(ChangeListener listener); |
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35 |
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36 /** |
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37 * Determines whether the current value has changed since it was saved. |
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38 */ |
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39 boolean isChanged(); |
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40 |
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41 /** |
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42 * Removes a {@code ChangeListener} from notifications of changes in this |
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43 * property. |
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44 */ |
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45 boolean removeChangeListener(ChangeListener listener); |
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46 |
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47 /** |
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48 * Resets this {@code Changeable}'s saved value to its current value. |
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49 */ |
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50 void reset(); |
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51 |
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52 /** |
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53 * Sets this {@code Changeable}'s current value to its saved value. |
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54 */ |
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55 void save(); |
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56 } |
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