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1
2
20
21 package javax.microedition.lcdui;
22
23 import java.text.SimpleDateFormat;
24 import java.text.ParseException;
25 import java.util.Calendar;
26 import java.util.Date;
27 import java.util.TimeZone;
28
29
30 public class DateField extends Item
31 {
32
33 public static final int DATE = 1;
34 public static final int TIME = 2;
35 public static final int DATE_TIME = 3;
36
37 Date date;
38 String label;
39 int mode;
40
41 ChoiceGroup dateTime;
42 TextBox dateBox;
43 TextBox timeBox;
44
45 static SimpleDateFormat dateFormat = new SimpleDateFormat("d.M.yyyy");
46 static SimpleDateFormat timeFormat = new SimpleDateFormat("H.mm");
47
48 Alert alert = new Alert("Parse Error");
49
50 static Command saveCommand = new Command("Save", Command.OK, 0);
51 static Command backCommand = new Command("Back", Command.BACK, 0);
52
53 CommandListener dateTimeListener = new CommandListener()
54 {
55
56 public void commandAction(Command c, Displayable d)
57 {
58 if (c == backCommand) {
59 getOwner().currentDisplay.setCurrent(owner);
60 } else if (c == saveCommand && d == dateBox) {
61 try {
62 Date tmp = dateFormat.parse(dateBox.getString());
63 if (date == null) {
64 date = tmp;
65 } else {
66 Calendar from = Calendar.getInstance();
67 Calendar to = Calendar.getInstance();
68 from.setTime(tmp);
69 to.setTime(date);
70 to.set(Calendar.DAY_OF_MONTH, from.get(Calendar.DAY_OF_MONTH));
71 to.set(Calendar.MONTH, from.get(Calendar.MONTH));
72 to.set(Calendar.YEAR, from.get(Calendar.YEAR));
73 date = to.getTime();
74 }
75 updateDateTimeString();
76 getOwner().currentDisplay.setCurrent(owner);
77 } catch (ParseException ex) {
78 alert.setString("Date: " + ex.getMessage());
79 getOwner().currentDisplay.setCurrent(alert);
80 }
81 } else if (c == saveCommand && d == timeBox) {
82 try {
83 Date tmp = timeFormat.parse(timeBox.getString());
84 if (date == null) {
85 date = tmp;
86 } else {
87 Calendar from = Calendar.getInstance();
88 Calendar to = Calendar.getInstance();
89 from.setTime(tmp);
90 to.setTime(date);
91 to.set(Calendar.HOUR_OF_DAY, from.get(Calendar.HOUR_OF_DAY));
92 to.set(Calendar.MINUTE, from.get(Calendar.MINUTE));
93 date = to.getTime();
94 }
95 updateDateTimeString();
96 getOwner().currentDisplay.setCurrent(owner);
97 } catch (ParseException ex) {
98 alert.setString("Time: " + ex.getMessage());
99 getOwner().currentDisplay.setCurrent(alert);
100 }
101 }
102 }
103 };
104
105
106 public DateField(String label, int mode)
107 {
108 this(label, mode, null);
109 }
110
111
112 public DateField(String label, int mode, TimeZone timeZone)
113 {
114 super(null);
115
116 this.label = label;
117
118 setInputMode(mode);
119
120 dateBox = new TextBox("Date [dd.mm.yyyy]", null, 10, TextField.NUMERIC);
121 dateBox.addCommand(saveCommand);
122 dateBox.addCommand(backCommand);
123 dateBox.setCommandListener(dateTimeListener);
124 timeBox = new TextBox("Time [hh.mm]", null, 5, TextField.NUMERIC);
125 timeBox.addCommand(saveCommand);
126 timeBox.addCommand(backCommand);
127 timeBox.setCommandListener(dateTimeListener);
128 }
129
130
131 public Date getDate()
132 {
133 return date;
134 }
135
136
137 public void setDate(Date date)
138 {
139 this.date = date;
140 updateDateTimeString();
141 }
142
143
144 public int getInputMode()
145 {
146 return mode;
147 }
148
149
150 public void setInputMode(int mode)
151 {
152 if (mode < 1 || mode > 3) {
153 throw new IllegalArgumentException();
154 }
155
156 this.mode = mode;
157
158 dateTime = new ChoiceGroup(label, Choice.IMPLICIT);
159 if ((mode & DATE) != 0) {
160 dateTime.append("[date]", null);
161 }
162 if ((mode & TIME) != 0) {
163 dateTime.append("[time]", null);
164 }
165 }
166
167
168 public void setLabel(String label)
169 {
170 this.label = label;
171
172 dateTime.setLabel(label);
173 }
174
175
176 boolean isFocusable()
177 {
178 return true;
179 }
180
181
182 int getHeight()
183 {
184 return super.getHeight() + dateTime.getHeight();
185 }
186
187
188 int paint(Graphics g)
189 {
190 super.paintContent(g);
191
192 g.translate(0, super.getHeight());
193 dateTime.paint(g);
194 g.translate(0, -super.getHeight());
195
196
197 return getHeight();
198 }
199
200
201 void setFocus(boolean state)
202 {
203 super.setFocus(state);
204
205 dateTime.setFocus(state);
206 }
207
208
209 boolean select()
210 {
211 dateTime.select();
212
213 if (dateTime.getSelectedIndex() == 0 && (mode & DATE) != 0) {
214 if (date != null) {
215 dateBox.setString(dateFormat.format(date));
216 } else {
217 dateBox.setString("");
218 }
219 getOwner().currentDisplay.setCurrent(dateBox);
220 } else {
221 if (date != null) {
222 timeBox.setString(timeFormat.format(date));
223 } else {
224 timeBox.setString("");
225 }
226 getOwner().currentDisplay.setCurrent(timeBox);
227 }
228
229 return true;
230 }
231
232
233 int traverse(int gameKeyCode, int top, int bottom, boolean action)
234 {
235 return dateTime.traverse(gameKeyCode, top, bottom, action);
236 }
237
238
239 void updateDateTimeString()
240 {
241 if ((mode & DATE) != 0) {
242 dateTime.set(0, dateFormat.format(date), null);
243 }
244 if ((mode & TIME) != 0) {
245 if ((mode & DATE) != 0) {
246 dateTime.set(1, timeFormat.format(date), null);
247 } else {
248 dateTime.set(0, timeFormat.format(date), null);
249 }
250 }
251 }
252
253 }
254 |
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