1 /*
2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.javafx.scene.control.skin;
27
28 import java.time.LocalDate;
29 import java.time.DateTimeException;
30 import java.time.YearMonth;
31 import java.time.format.DecimalStyle;
32 import java.time.chrono.Chronology;
33 import java.time.chrono.HijrahChronology;
34 import java.time.chrono.HijrahDate;
35 import java.time.chrono.IsoChronology;
36 import java.util.Locale;
37
38 import static java.time.temporal.ChronoField.*;
39
40 import javafx.geometry.Pos;
41 import javafx.scene.control.DatePicker;
42 import javafx.scene.control.DateCell;
43 import javafx.scene.control.Label;
44 import javafx.scene.layout.BorderPane;
45 import javafx.scene.text.Text;
46
47 /**
48 * Extends DatePickerContent to add a secondary calendar, allowing the
49 * ISO and Islamic calendars to be displayed simultaneously. The
50 * secondary month, day, and year values are displayed as a colored
51 * overlay, offset from the primary values.
52 *
53 * If the current DatePicker Chronology is HijrahChronology, then sets
54 * the content's primary Chronology to be IsoChronology, and sets
55 * HijrahChronology as the secondary.
56 */
57 class DatePickerHijrahContent extends DatePickerContent {
58 private Label hijrahMonthYearLabel;
59
60 DatePickerHijrahContent(final DatePicker datePicker) {
61 super(datePicker);
62 }
63
64 /**
65 * The primary chronology for display. This is overridden because
66 * DatePickerHijrahContent uses ISO as primary and Hijrah as a
67 * secondary chronology.
68 */
69 @Override protected Chronology getPrimaryChronology() {
70 return IsoChronology.INSTANCE;
71 }
72
73 @Override protected BorderPane createMonthYearPane() {
74 BorderPane monthYearPane = super.createMonthYearPane();
75
76 hijrahMonthYearLabel = new Label();
77 hijrahMonthYearLabel.getStyleClass().add("secondary-label");
78 monthYearPane.setBottom(hijrahMonthYearLabel);
79 BorderPane.setAlignment(hijrahMonthYearLabel, Pos.CENTER);
80
81 return monthYearPane;
82 }
83
84
85 @Override protected void updateMonthYearPane() {
86 super.updateMonthYearPane();
87
88 Locale locale = getLocale();
89 HijrahChronology chrono = HijrahChronology.INSTANCE;
90 long firstMonth = -1;
91 long firstYear = -1;
92 String firstMonthStr = null;
93 String firstYearStr = null;
94 String hijrahStr = null;
95 YearMonth displayedYearMonth = displayedYearMonthProperty().get();
96
97 for (DateCell dayCell : dayCells) {
98 LocalDate date = dayCellDate(dayCell);
99
100 // Display Hijra month names only for current ISO month.
101 if (!displayedYearMonth.equals(YearMonth.from(date))) {
102 continue;
103 }
104
105 try {
106 HijrahDate cDate = chrono.date(date);
107 long month = cDate.getLong(MONTH_OF_YEAR);
108 long year = cDate.getLong(YEAR);
109
110 if (hijrahStr == null || month != firstMonth) {
111 String monthStr = monthFormatter.withLocale(locale)
112 .withChronology(chrono)
113 .withDecimalStyle(DecimalStyle.of(locale))
114 .format(cDate);
115 String yearStr = yearFormatter.withLocale(locale)
116 .withChronology(chrono)
117 .withDecimalStyle(DecimalStyle.of(locale))
118 .format(cDate);
119 if (hijrahStr == null) {
120 firstMonth = month;
121 firstYear = year;
122 firstMonthStr = monthStr;
123 firstYearStr = yearStr;
124 hijrahStr = firstMonthStr + " " + firstYearStr;
125 } else {
126 if (year > firstYear) {
127 hijrahStr = firstMonthStr + " " + firstYearStr + " - " + monthStr + " " + yearStr;
128 } else {
129 hijrahStr = firstMonthStr + " - " + monthStr + " " + firstYearStr;
130 }
131 break;
132 }
133 }
134 } catch (DateTimeException ex) {
135 // Date is out of range, ignore.
136
137 //System.err.println(dayCellDate(dayCell) + " " + ex);
138 }
139 }
140
141 hijrahMonthYearLabel.setText(hijrahStr);
142 }
143
144 @Override protected void createDayCells() {
145 super.createDayCells();
146
147 for (DateCell dayCell : dayCells) {
148 Text secondaryText = new Text();
149 dayCell.getProperties().put("DateCell.secondaryText", secondaryText);
150 }
151 }
152
153 @Override void updateDayCells() {
154 super.updateDayCells();
155
156 Locale locale = getLocale();
157 HijrahChronology chrono = HijrahChronology.INSTANCE;
158
159 int majorityMonth = -1;
160 int visibleDaysInMajorityMonth = -1;
161 int curMonth = -1;
162 int visibleDaysInCurMonth = 0;
163
164 for (DateCell dayCell : dayCells) {
165 Text secondaryText = (Text)dayCell.getProperties().get("DateCell.secondaryText");
166 dayCell.getStyleClass().add("hijrah-day-cell");
167 secondaryText.getStyleClass().setAll("text", "secondary-text");
168
169 try {
170 HijrahDate cDate = chrono.date(dayCellDate(dayCell));
171 // long month = cDate.getLong(MONTH_OF_YEAR);
172
173 String hijrahStr =
174 dayCellFormatter.withLocale(locale)
175 .withChronology(chrono)
176 .withDecimalStyle(DecimalStyle.of(locale))
177 .format(cDate);
178
179 secondaryText.setText(hijrahStr);
180 dayCell.requestLayout();
181 } catch (DateTimeException ex) {
182 // Date is out of range.
183 // System.err.println(dayCellDate(dayCell) + " " + ex);
184 secondaryText.setText(" ");
185 dayCell.setDisable(true);
186 }
187
188 // if (month == curMonth) {
189 // visibleDaysInCurMonth++;
190 // } else {
191 // curMonth = month;
192 // visibleDaysInCurMonth = 1;
193 // }
194 // if (visibleDaysInCurMonth > visibleDaysInMajorityMonth) {
195 // majorityMonth = month;
196 // visibleDaysInMajorityMonth = visibleDaysInCurMonth;
197 // }
198 }
199
200 // boolean seenMajorityMonth = false;
201 // for (DateCell dayCell : dayCells) {
202 // HijrahDate cDate = chrono.date(dayCellDate(dayCell));
203 // int month = cDate.get(MONTH_OF_YEAR);
204 // Text secondaryText = (Text)dayCell.getProperties().get("DateCell.secondaryText");
205
206 // if (month == majorityMonth) {
207 // seenMajorityMonth = true;
208 // secondaryText.getStyleClass().add("current-month");
209 // } else {
210 // secondaryText.getStyleClass().add(seenMajorityMonth ? "next-month" : "previous-month");
211 // }
212 // }
213 }
214 }