author | Dan Labrecque <dan.labrecque@oracle.com> |
Thu, 24 May 2012 04:16:47 -0400 | |
changeset 827 | 0944d8c0158b |
permissions | -rw-r--r-- |
827
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/* |
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* CDDL HEADER START |
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* |
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* The contents of this file are subject to the terms of the |
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* Common Development and Distribution License (the "License"). |
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* You may not use this file except in compliance with the License. |
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* |
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
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* or http://www.opensolaris.org/os/licensing. |
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* See the License for the specific language governing permissions |
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* and limitations under the License. |
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* |
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* When distributing Covered Code, include this CDDL HEADER in each |
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
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* If applicable, add the following below this CDDL HEADER, with the |
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* fields enclosed by brackets "[]" replaced with your own identifying |
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* information: Portions Copyright [yyyy] [name of copyright owner] |
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* |
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* CDDL HEADER END |
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*/ |
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|
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/* |
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* Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. |
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*/ |
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|
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package com.oracle.solaris.vp.util.swing; |
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import java.util.*; |
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import javax.swing.*; |
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import javax.swing.event.*; |
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import com.oracle.solaris.vp.util.misc.CollectionUtil; |
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/** |
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* The {@code ListSelectionSynchronizer} class synchronizes two {@code |
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* ListSelectionModel}s. Useful if two or more components share a data model. |
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*/ |
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public class ListSelectionSynchronizer implements ListSelectionListener { |
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// |
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// Inner classes |
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// |
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public static interface IndexMapper { |
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public int map(int i); |
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} |
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// |
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// Instance data |
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// |
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private ListSelectionModel tModel; |
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private IndexMapper mapper; |
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// |
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// Constructors |
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// |
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public ListSelectionSynchronizer( |
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ListSelectionModel tModel, IndexMapper mapper) { |
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this.tModel = tModel; |
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this.mapper = mapper; |
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} |
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public ListSelectionSynchronizer(ListSelectionModel tModel) { |
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this(tModel, null); |
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} |
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// |
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// ListSelectionListener methods |
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// |
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@Override |
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public void valueChanged(ListSelectionEvent e) { |
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if (!e.getValueIsAdjusting()) { |
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ListSelectionModel fModel = (ListSelectionModel)e.getSource(); |
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List<Integer> fList = getSelectedIndexes(fModel, mapper); |
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List<Integer> tList = getSelectedIndexes(tModel, null); |
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List<Integer>[] interDiffs = |
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CollectionUtil.getIntersectAndDiffs(tList, fList, null); |
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List<Integer> toRemove = interDiffs[1]; |
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List<Integer> toAdd = interDiffs[2]; |
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if (!toRemove.isEmpty() || !toAdd.isEmpty()) { |
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tModel.setValueIsAdjusting(true); |
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addOrRemove(toRemove, false); |
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addOrRemove(toAdd, true); |
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tModel.setValueIsAdjusting(false); |
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} |
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} |
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} |
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// |
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// Private methods |
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// |
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private void addOrRemove(List<Integer> iList, boolean add) { |
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int n = iList.size(); |
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if (n > 0) { |
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int first = iList.get(0); |
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|
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for (int i = 1; i < n; i++) { |
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int last = iList.get(i - 1); |
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int current = iList.get(i); |
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if (current != last + 1) { |
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if (add) { |
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tModel.addSelectionInterval(first, last); |
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} else { |
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tModel.removeSelectionInterval(first, last); |
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} |
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first = current; |
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} |
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} |
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if (add) { |
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tModel.addSelectionInterval(first, iList.get(n - 1)); |
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} else { |
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tModel.removeSelectionInterval(first, iList.get(n - 1)); |
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} |
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} |
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} |
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|
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private List<Integer> getSelectedIndexes( |
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ListSelectionModel sModel, IndexMapper mapper) { |
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|
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List<Integer> iList = new ArrayList<Integer>(); |
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|
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int iMin = sModel.getMinSelectionIndex(); |
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int iMax = sModel.getMaxSelectionIndex(); |
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|
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for (int i = iMin; i <= iMax; i++) { |
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if (sModel.isSelectedIndex(i)) { |
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iList.add(mapper == null ? i : mapper.map(i)); |
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} |
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} |
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|
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if (mapper != null) { |
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Collections.sort(iList); |
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} |
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|
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return iList; |
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} |
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|
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// |
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// Static methods |
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// |
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|
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/** |
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* Synchronize a {@code JTable}'s selection model with that of {@code |
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* JList}. Changes in selection of either will be reflected in the other. |
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* </p> |
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* Note: unexpected behavior may result if the selection mode differs |
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* between the two. |
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* |
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* @param table |
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* a {@code JTable} |
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* |
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* @param list |
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* {@code JList} |
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*/ |
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public static void syncSelection(final JTable table, JList list) { |
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ListSelectionModel tsModel = table.getSelectionModel(); |
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ListSelectionModel lModel = list.getSelectionModel(); |
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|
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// Sync changes to lModel with tsModel |
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lModel.addListSelectionListener( |
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new ListSelectionSynchronizer(tsModel, |
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new ListSelectionSynchronizer.IndexMapper() { |
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@Override |
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public int map(int i) { |
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return table.convertRowIndexToView(i); |
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} |
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})); |
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|
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// Sync changes to tsModel with lModel |
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tsModel.addListSelectionListener( |
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new ListSelectionSynchronizer(lModel, |
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new ListSelectionSynchronizer.IndexMapper() { |
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@Override |
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public int map(int i) { |
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return table.convertRowIndexToModel(i); |
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} |
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})); |
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} |
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|
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/** |
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* Synchronize two {@code JTable}s' selection models. Changes in selection |
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* of either will be reflected in the other. |
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193 |
* </p> |
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* Note: unexpected behavior may result if the selection mode differs |
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* between the two. |
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* |
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* @param table1 |
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198 |
* a {@code JTable} |
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199 |
* |
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* @param table2 |
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* a {@code JTable} |
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202 |
*/ |
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203 |
public static void syncSelection( |
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final JTable table1, final JTable table2) { |
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205 |
|
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ListSelectionModel model1 = table1.getSelectionModel(); |
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ListSelectionModel model2 = table2.getSelectionModel(); |
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208 |
|
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// Sync changes to model2 with model1 |
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model2.addListSelectionListener( |
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new ListSelectionSynchronizer(model1, |
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new ListSelectionSynchronizer.IndexMapper() { |
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@Override |
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public int map(int i) { |
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return table1.convertRowIndexToView( |
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table2.convertRowIndexToModel(i)); |
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} |
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218 |
})); |
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219 |
|
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// Sync changes to model1 with model2 |
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model1.addListSelectionListener( |
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222 |
new ListSelectionSynchronizer(model2, |
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new ListSelectionSynchronizer.IndexMapper() { |
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224 |
@Override |
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225 |
public int map(int i) { |
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return table2.convertRowIndexToView( |
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table1.convertRowIndexToModel(i)); |
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} |
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})); |
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} |
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} |