1 |
|
2 /* |
|
3 * CDDL HEADER START |
|
4 * |
|
5 * The contents of this file are subject to the terms of the |
|
6 * Common Development and Distribution License (the "License"). |
|
7 * You may not use this file except in compliance with the License. |
|
8 * |
|
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
|
10 * or http://www.opensolaris.org/os/licensing. |
|
11 * See the License for the specific language governing permissions |
|
12 * and limitations under the License. |
|
13 * |
|
14 * When distributing Covered Code, include this CDDL HEADER in each |
|
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
|
16 * If applicable, add the following below this CDDL HEADER, with the |
|
17 * fields enclosed by brackets "[]" replaced with your own identifying |
|
18 * information: Portions Copyright [yyyy] [name of copyright owner] |
|
19 * |
|
20 * CDDL HEADER END |
|
21 */ |
|
22 |
|
23 /* |
|
24 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. |
|
25 */ |
|
26 |
|
27 package com.oracle.solaris.vp.util.swing.time; |
|
28 |
|
29 import java.awt.Point; |
|
30 import java.text.DateFormat; |
|
31 import java.util.*; |
|
32 import javax.swing.table.AbstractTableModel; |
|
33 import com.oracle.solaris.vp.util.misc.ObjectUtil; |
|
34 |
|
35 @SuppressWarnings({"serial"}) |
|
36 public abstract class CalendarTableModel extends AbstractTableModel { |
|
37 // |
|
38 // Instance data |
|
39 // |
|
40 |
|
41 protected Calendar cal; |
|
42 private Locale locale; |
|
43 private Calendar[][] data; |
|
44 |
|
45 // |
|
46 // Constructors |
|
47 // |
|
48 |
|
49 public CalendarTableModel(Calendar cal) { |
|
50 this.cal = Calendar.getInstance(); |
|
51 this.cal.setLenient(false); |
|
52 |
|
53 if (cal == null) { |
|
54 cal = this.cal; |
|
55 } else { |
|
56 setCalendar(cal); |
|
57 } |
|
58 |
|
59 setLocale(Locale.getDefault()); |
|
60 } |
|
61 |
|
62 public CalendarTableModel() { |
|
63 this(null); |
|
64 } |
|
65 |
|
66 // |
|
67 // TableModel methods |
|
68 // |
|
69 |
|
70 @Override |
|
71 public int getColumnCount() { |
|
72 return getData()[0].length; |
|
73 } |
|
74 |
|
75 /** |
|
76 * Default implementation that returns {@code null}. |
|
77 */ |
|
78 @Override |
|
79 public String getColumnName(int colIndex) { |
|
80 return null; |
|
81 } |
|
82 |
|
83 @Override |
|
84 public int getRowCount() { |
|
85 return getData().length; |
|
86 } |
|
87 |
|
88 @Override |
|
89 public Object getValueAt(int row, int col) { |
|
90 return getData()[row][col]; |
|
91 } |
|
92 |
|
93 // |
|
94 // CalendarTableModel methods |
|
95 // |
|
96 |
|
97 /** |
|
98 * Compares the relevant fields of the given model elements. |
|
99 * |
|
100 * @param cal |
|
101 * an element of the model |
|
102 * |
|
103 * @param cal2 |
|
104 * an element of the model |
|
105 * |
|
106 * @return a negative integer, zero, or a positive integer if {@code |
|
107 * cal} is less than, equal to, or greater than, respectively, |
|
108 * {@code cal2} |
|
109 */ |
|
110 public abstract int compare(Calendar cal, Calendar cal2); |
|
111 |
|
112 /** |
|
113 * Creates the data shown in the table. |
|
114 */ |
|
115 protected abstract Calendar[][] createData(); |
|
116 |
|
117 /** |
|
118 * Gets a copy of the {@code Calendar} represented by this model. |
|
119 */ |
|
120 public Calendar getCalendar() { |
|
121 return (Calendar)cal.clone(); |
|
122 } |
|
123 |
|
124 public Calendar[][] getData() { |
|
125 if (data == null) { |
|
126 data = createData(); |
|
127 } |
|
128 return data; |
|
129 } |
|
130 |
|
131 public Locale getLocale() { |
|
132 return locale; |
|
133 } |
|
134 |
|
135 /** |
|
136 * Gets the number of milliseconds in the given number of intervals specific |
|
137 * to this {@code CalendarTableModel}. For example, if this is a {@link |
|
138 * MonthTableModel} for 12/2008, {@code getMillis(2)} would return the |
|
139 * number of milliseconds between 12/1/2008 and 2/1/2009. Note that {@code |
|
140 * getMillis(-n)} does not necessarily equal {@code -getMillis(n)}. |
|
141 */ |
|
142 public abstract long getMillis(int intervals); |
|
143 |
|
144 /** |
|
145 * Gets the position of the given {@code Calendar} in this model. Only |
|
146 * those fields in the {@code Calendar} that are relevant to this model are |
|
147 * {@link #compare compared}. |
|
148 * |
|
149 * @return a {@code Point}, or {@code null} if an equivalent {@code |
|
150 * Calendar} does not occur in the model |
|
151 */ |
|
152 public Point getPosition(Calendar cal) { |
|
153 int nRows = getRowCount(); |
|
154 int nCols = getColumnCount(); |
|
155 |
|
156 for (int mRow = 0; mRow < nRows; mRow++) { |
|
157 for (int mCol = 0; mCol < nCols; mCol++) { |
|
158 Calendar cal2 = (Calendar)getValueAt(mRow, mCol); |
|
159 if (compare(cal, cal2) == 0) { |
|
160 return new Point(mCol, mRow); |
|
161 } |
|
162 } |
|
163 } |
|
164 |
|
165 return null; |
|
166 } |
|
167 |
|
168 /** |
|
169 * Gets a localized title for this {@code CalendarTableModel}. |
|
170 */ |
|
171 public abstract String getTitle(); |
|
172 |
|
173 /** |
|
174 * If not already invalid, marks this {@code CalendarTableModel}'s {@link |
|
175 * #getData data} as needing to be rebuilt and calls {@link |
|
176 * #fireTableDataChanged}. |
|
177 */ |
|
178 protected void invalidate() { |
|
179 if (data != null) { |
|
180 data = null; |
|
181 fireTableDataChanged(); |
|
182 } |
|
183 } |
|
184 |
|
185 /** |
|
186 * Determines whether the given {@code Calendar} is in the <i>main range</i> |
|
187 * of this model. For example, if this model is a {@link MonthTableModel} |
|
188 * modelling all of the days in 12/2008, then the main range is 12/01/2008 - |
|
189 * 12/31/2008. 12/14/2008, then, would be in the main range of this model, |
|
190 * whereas 11/30/2008, even though it may be contained by this model, would |
|
191 * not. |
|
192 */ |
|
193 public abstract boolean isInMainRange(Calendar cal); |
|
194 |
|
195 /** |
|
196 * Indicates whether the the model would need to be rebuilt if the given |
|
197 * {@code Calendar} were set in the model. This implementation returns |
|
198 * {@code true} if {@link #isInMainRange} returns {@code false} or the time |
|
199 * zones in the two {@code Calendar}s differ; {@code false} otherwise. |
|
200 */ |
|
201 protected boolean wouldInvalidate(Calendar cal) { |
|
202 return cal == null || !isInMainRange(cal) || |
|
203 !this.cal.getTimeZone().equals(cal.getTimeZone()); |
|
204 } |
|
205 |
|
206 /** |
|
207 * Sets the {@code Calendar} in this {@code CalendarTableModel}. Calls |
|
208 * {@link #invalidate} if {@link #isInMainRange} returns {@code false}. |
|
209 */ |
|
210 public void setCalendar(Calendar cal) { |
|
211 boolean wouldInvalidate = wouldInvalidate(cal); |
|
212 this.cal = cal; |
|
213 if (wouldInvalidate) { |
|
214 invalidate(); |
|
215 } |
|
216 } |
|
217 |
|
218 /** |
|
219 * Sets the locale in this {@code CalendarTableModel} and calls |
|
220 * {@link #fireTableStructureChanged}. |
|
221 */ |
|
222 public void setLocale(Locale locale) { |
|
223 if (!ObjectUtil.equals(this.locale, locale)) { |
|
224 this.locale = locale; |
|
225 fireTableStructureChanged(); |
|
226 } |
|
227 } |
|
228 |
|
229 /** |
|
230 * Provides a default displayable value for the given {@code Calendar}, |
|
231 * presumably contained in this model. |
|
232 */ |
|
233 public abstract String toString(Calendar cal); |
|
234 |
|
235 // |
|
236 // Static methods |
|
237 // |
|
238 |
|
239 /** |
|
240 * Updates (if necessary) the given {@code DateFormat} with the time zone of |
|
241 * the given {@code Calendar}, then returns the formatted date string. |
|
242 */ |
|
243 public static String format(DateFormat format, Calendar cal) { |
|
244 TimeZone zone = cal.getTimeZone(); |
|
245 if (!format.getTimeZone().equals(zone)) { |
|
246 format.setTimeZone(zone); |
|
247 } |
|
248 return format.format(cal.getTime()); |
|
249 } |
|
250 } |
|