1 /*
2 * File: DefaultTimeBarModel.java
3 * Copyright (c) 2004-2007 Peter Kliem (Peter.Kliem@jaret.de)
4 * A commercial license is available, see http://www.jaret.de.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20 package de.jaret.util.ui.timebars.model;
21
22 import java.util.ArrayList;
23 import java.util.List;
24
25 /**
26 * A default implementation of the TimeBarModel interface. Extends the AbstractTimeBarModel.
27 *
28 * @author Peter Kliem
29 * @version $Id: DefaultTimeBarModel.java 886 2009-10-08 22:08:27Z kliem $
30 */
31 public class DefaultTimeBarModel extends AbstractTimeBarModel {
32 /** list of the rows. */
33 protected List<TimeBarRow> _rows = new ArrayList<TimeBarRow>();
34
35 /**
36 * {@inheritDoc}
37 */
38 public TimeBarRow getRow(int row) {
39 return (TimeBarRow) _rows.get(row);
40 }
41
42 /**
43 * {@inheritDoc}
44 */
45 public int getRowCount() {
46 return _rows.size();
47 }
48
49 /**
50 * Add a row.
51 *
52 * @param row row to add.
53 */
54 public void addRow(TimeBarRow row) {
55 addRow(-1, row);
56 }
57
58 /**
59 * Add a row.
60 *
61 * @param index index the row should be inserted. -1 marks append to the end.
62 * @param row row to add.
63 */
64 public void addRow(int index, TimeBarRow row) {
65 if (index == -1) {
66 _rows.add(row);
67 } else {
68 _rows.add(index, row);
69 }
70 if (_minDate == null) {
71 _minDate = row.getMinDate();
72 _maxDate = row.getMaxDate();
73 } else if (row.getMinDate() != null && row.getMaxDate() != null) {
74 if (_minDate.compareTo(row.getMinDate()) > 0) {
75 _minDate = row.getMinDate();
76 }
77 if (_maxDate.compareTo(row.getMaxDate()) < 0) {
78 _maxDate = row.getMaxDate();
79 }
80 }
81 row.addTimeBarRowListener(this);
82 fireRowAdded(row);
83 }
84
85 /**
86 * Remove a row from the model.
87 *
88 * @param row row to remove
89 */
90 public void remRow(TimeBarRow row) {
91 if (_rows.contains(row)) {
92 row.remTimeBarRowListener(this);
93 _rows.remove(row);
94 updateMinMax();
95 fireRowRemoved(row);
96 }
97 }
98
99 /**
100 * Retrieve the model index of a given row.
101 *
102 * @param row row to check
103 * @return index or -1
104 */
105 public int getIndexForRow(TimeBarRow row) {
106 return _rows.indexOf(row);
107 }
108
109 }