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1 /*
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2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.ui.table;
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26
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27 import java.util.Collections;
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28 import java.util.List;
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29
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30 import javax.swing.event.TableModelEvent;
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31 import javax.swing.table.AbstractTableModel;
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32
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33 /**
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34 * A table model which stores its rows as a list. The elements
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35 * of the list may be sortable by column. The TableModelComparator
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36 * must be set for sorting to be enabled.
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37 */
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38 public abstract class SortableTableModel extends AbstractTableModel {
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39
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40 private TableModelComparator comparator;
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41
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42 /**
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43 * All the rows are stored as a List.
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44 */
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45 protected java.util.List elements;
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46
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47 /**
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48 * This comparator must be set.
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49 */
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50 public void setComparator(TableModelComparator comparator) {
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51 this.comparator = comparator;
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52 }
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53
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54 public void sortByColumn(int column, boolean ascending) {
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55 comparator.addColumn(column);
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56 comparator.setAscending(ascending);
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57
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58 Collections.sort(elements, comparator);
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59
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60 fireTableChanged(new TableModelEvent(this));
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61 }
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62
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63 public boolean isAscending() {
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64 return comparator.isAscending();
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65 }
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66
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67 public int getColumn() {
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68 return comparator.getColumn();
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69 }
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70
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71 }
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