1 /**
2 * Copyright 2014 Juan Heyns. All rights reserved.
3 * <p/>
4 * Redistribution and use in source and binary forms, with or without modification, are
5 * permitted provided that the following conditions are met:
6 * <p/>
7 * 1. Redistributions of source code must retain the above copyright notice, this list of
8 * conditions and the following disclaimer.
9 * <p/>
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11 * of conditions and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution.
13 * <p/>
14 * THIS SOFTWARE IS PROVIDED BY JUAN HEYNS ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
16 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JUAN HEYNS OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
21 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
22 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 * <p/>
24 * The views and conclusions contained in the software and documentation are those of the
25 * authors and should not be interpreted as representing official policies, either expressed
26 * or implied, of Juan Heyns.
27 */
28 package org.jdatepicker.constraints;
29
30 /*
31 * #%L
32 * Reef DB :: UI
33 * $Id:$
34 * $HeadURL:$
35 * %%
36 * Copyright (C) 2014 - 2015 Ifremer
37 * %%
38 * This program is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU Affero General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or
41 * (at your option) any later version.
42 *
43 * This program is distributed in the hope that it will be useful,
44 * but WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
46 * GNU General Public License for more details.
47 *
48 * You should have received a copy of the GNU Affero General Public License
49 * along with this program. If not, see <http://www.gnu.org/licenses/>.
50 * #L%
51 */
52
53 import org.jdatepicker.DateModel;
54
55 import java.util.Calendar;
56 import java.util.Date;
57
58 /**
59 * This class provides a simple constraint to limit the selectable date to be inside a given range.
60 *
61 * @author Frankenberger Simon
62 */
63 public class RangeConstraint implements DateSelectionConstraint {
64
65 /**
66 * The lower bound of selectable dates.
67 */
68 private final Calendar after;
69
70 /**
71 * The upper bound of selectable dates.
72 */
73 private final Calendar before;
74
75 /**
76 * Create a new constraint for values between (and excluding) the given dates.
77 *
78 * @param after Lower bound for values, excluding.
79 * @param before Upper bound for values, excluding.
80 */
81 public RangeConstraint(Calendar after, Calendar before) {
82 this.after = after;
83 this.before = before;
84
85 // remove hours / minutes / seconds from dates
86 cleanTime();
87 }
88
89 /**
90 * Create a new constraint for values between the given dates.
91 *
92 * @param after Lower bound for values, including.
93 * @param before Upper bound for values, including.
94 */
95 public RangeConstraint(Date after, Date before) {
96 Calendar _after = Calendar.getInstance();
97 Calendar _before = Calendar.getInstance();
98
99 _after.setTime(after);
100 _before.setTime(before);
101
102 this.after = _after;
103 this.before = _before;
104
105 // remove hours / minutes / seconds from dates
106 cleanTime();
107 }
108
109 /**
110 * Simple helper method to remove the time the date bounds.
111 */
112 private void cleanTime() {
113 if (after != null) {
114 after.set(Calendar.HOUR_OF_DAY, 0);
115 after.set(Calendar.MINUTE, 0);
116 after.set(Calendar.SECOND, 0);
117 after.set(Calendar.MILLISECOND, 0);
118 }
119
120 if (before != null) {
121 before.set(Calendar.HOUR_OF_DAY, 23);
122 before.set(Calendar.MINUTE, 59);
123 before.set(Calendar.SECOND, 59);
124 before.set(Calendar.MILLISECOND, 999);
125 }
126 }
127
128 /** {@inheritDoc} */
129 public boolean isValidSelection(DateModel model) {
130 boolean result = true;
131
132 if (model.isSelected() && after != null) {
133 Calendar value = Calendar.getInstance();
134 value.set(model.getYear(), model.getMonth(), model.getDay());
135 value.set(Calendar.HOUR, 0);
136 value.set(Calendar.MINUTE, 0);
137 value.set(Calendar.SECOND, 0);
138 value.set(Calendar.MILLISECOND, 0);
139 result = value.after(after);
140 }
141 if (model.isSelected() && before != null) {
142 Calendar value = Calendar.getInstance();
143 value.set(model.getYear(), model.getMonth(), model.getDay());
144 value.set(Calendar.HOUR, 0);
145 value.set(Calendar.MINUTE, 0);
146 value.set(Calendar.SECOND, 0);
147 value.set(Calendar.MILLISECOND, 0);
148 result &= value.before(before);
149 }
150
151 return result;
152 }
153
154 /** {@inheritDoc} */
155 @Override
156 // Generated with eclipse depending on: after, before
157 public int hashCode() {
158 final int prime = 31;
159 int result = 1;
160 result = prime * result + ((after == null) ? 0 : after.hashCode());
161 result = prime * result + ((before == null) ? 0 : before.hashCode());
162 return result;
163 }
164
165 /** {@inheritDoc} */
166 @Override
167 public boolean equals(Object obj) {
168 if (this == obj) {
169 return true;
170 }
171 if (obj == null) {
172 return false;
173 }
174 if (getClass() != obj.getClass()) {
175 return false;
176 }
177
178 RangeConstraint other = (RangeConstraint) obj;
179 if (after == null) {
180 if (other.after != null) {
181 return false;
182 }
183 } else if (!after.equals(other.after)) {
184 return false;
185 }
186 if (before == null) {
187 if (other.before != null) {
188 return false;
189 }
190 } else if (!before.equals(other.before)) {
191 return false;
192 }
193 return true;
194 }
195
196 }