| /* |
| * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.swing.event; |
| |
| import java.util.EventObject; |
| import javax.swing.*; |
| |
| |
| /** |
| * An event that characterizes a change in selection. The change is limited to a |
| * a single inclusive interval. The selection of at least one index within the |
| * range will have changed. A decent {@code ListSelectionModel} implementation |
| * will keep the range as small as possible. {@code ListSelectionListeners} will |
| * generally query the source of the event for the new selected status of each |
| * potentially changed row. |
| * <p> |
| * <strong>Warning:</strong> |
| * Serialized objects of this class will not be compatible with |
| * future Swing releases. The current serialization support is |
| * appropriate for short term storage or RMI between applications running |
| * the same version of Swing. As of 1.4, support for long term storage |
| * of all JavaBeans™ |
| * has been added to the <code>java.beans</code> package. |
| * Please see {@link java.beans.XMLEncoder}. |
| * |
| * @author Hans Muller |
| * @author Ray Ryan |
| * @see ListSelectionModel |
| */ |
| @SuppressWarnings("serial") // Same-version serialization only |
| public class ListSelectionEvent extends EventObject |
| { |
| private int firstIndex; |
| private int lastIndex; |
| private boolean isAdjusting; |
| |
| /** |
| * Represents a change in selection status between {@code firstIndex} and |
| * {@code lastIndex}, inclusive. {@code firstIndex} is less than or equal to |
| * {@code lastIndex}. The selection of at least one index within the range will |
| * have changed. |
| * |
| * @param source the {@code Object} on which the event initially occurred |
| * @param firstIndex the first index in the range, <= lastIndex |
| * @param lastIndex the last index in the range, >= firstIndex |
| * @param isAdjusting whether or not this is one in a series of |
| * multiple events, where changes are still being made |
| */ |
| public ListSelectionEvent(Object source, int firstIndex, int lastIndex, |
| boolean isAdjusting) |
| { |
| super(source); |
| this.firstIndex = firstIndex; |
| this.lastIndex = lastIndex; |
| this.isAdjusting = isAdjusting; |
| } |
| |
| /** |
| * Returns the index of the first row whose selection may have changed. |
| * {@code getFirstIndex() <= getLastIndex()} |
| * |
| * @return the first row whose selection value may have changed, |
| * where zero is the first row |
| */ |
| public int getFirstIndex() { return firstIndex; } |
| |
| /** |
| * Returns the index of the last row whose selection may have changed. |
| * {@code getLastIndex() >= getFirstIndex()} |
| * |
| * @return the last row whose selection value may have changed, |
| * where zero is the first row |
| */ |
| public int getLastIndex() { return lastIndex; } |
| |
| /** |
| * Returns whether or not this is one in a series of multiple events, |
| * where changes are still being made. See the documentation for |
| * {@link javax.swing.ListSelectionModel#setValueIsAdjusting} for |
| * more details on how this is used. |
| * |
| * @return {@code true} if this is one in a series of multiple events, |
| * where changes are still being made |
| */ |
| public boolean getValueIsAdjusting() { return isAdjusting; } |
| |
| /** |
| * Returns a {@code String} that displays and identifies this |
| * object's properties. |
| * |
| * @return a String representation of this object |
| */ |
| public String toString() { |
| String properties = |
| " source=" + getSource() + |
| " firstIndex= " + firstIndex + |
| " lastIndex= " + lastIndex + |
| " isAdjusting= " + isAdjusting + |
| " "; |
| return getClass().getName() + "[" + properties + "]"; |
| } |
| } |