001 package edu.nrao.sss.webapp.faces.component;
002
003 import javax.faces.component.UIInput;
004 import javax.faces.context.FacesContext;
005 import javax.faces.context.ResponseWriter;
006 import javax.faces.el.ValueBinding;
007
008 import java.io.IOException;
009 import java.util.Map;
010 import java.util.Date;
011 import java.text.SimpleDateFormat;
012
013 import edu.nrao.sss.util.DateUtility;
014 import edu.nrao.sss.webapp.faces.converter.DateConverter;
015
016 import org.apache.log4j.Logger;
017
018 public class DateTimeUIComponent extends UIInput
019 {
020 private static final Logger log = Logger.getLogger(DateTimeUIComponent.class);
021
022 private Boolean enabled = null;
023 private Boolean showTime = null;
024 private String dateSeparator = null;
025 private String timeSeparator = null;
026
027 protected static final SimpleDateFormat getYear = new SimpleDateFormat("yyyy");
028 protected static final SimpleDateFormat getMonth = new SimpleDateFormat("MM");
029 protected static final SimpleDateFormat getDay = new SimpleDateFormat("dd");
030 protected static final SimpleDateFormat getHour = new SimpleDateFormat("HH");
031 protected static final SimpleDateFormat getMinute = new SimpleDateFormat("mm");
032 protected static final SimpleDateFormat getSecond = new SimpleDateFormat("ss");
033
034 public void encodeBegin(FacesContext context)
035 throws IOException
036 {
037 boolean enabled = isEnabled();
038
039 Map attrs = getAttributes();
040 String disabledDateStyleClass = (String)attrs.get("disabledDateStyleClass");
041 String disabledTimeStyleClass = (String)attrs.get("disabledTimeStyleClass");
042
043 String dateStyleClass = (String)attrs.get("dateStyleClass");
044 String timeStyleClass = (String)attrs.get("timeStyleClass");
045 String dateFieldStyleClass = (String)attrs.get("dateFieldStyleClass");
046 String timeFieldStyleClass = (String)attrs.get("timeFieldStyleClass");
047
048 ResponseWriter writer = context.getResponseWriter();
049
050 String id = getClientId(context);
051 String yearId = id + ":year";
052 String monthId = id + ":month";
053 String dayId = id + ":day";
054 String hourId = id + ":hour";
055 String minuteId = id + ":minute";
056 String secondId = id + ":second";
057
058 String year = "yyyy";
059 String month = "MM";
060 String day = "dd";
061 String hour = "HH";
062 String minute = "mm";
063 String second = "ss";
064
065 Date date = (Date)getValue();
066
067 if (date != null && !DateUtility.earlyDateEquals(date) && !DateUtility.lateDateEquals(date))
068 {
069 year = getYear.format(date);
070 month = getMonth.format(date);
071 day = getDay.format(date);
072 hour = getHour.format(date);
073 minute = getMinute.format(date);
074 second = getSecond.format(date);
075 }
076
077 // wrapper span with our component id on it
078 writer.startElement("span", this);
079
080 //We render two wrapper spans, one for the date input and one for the time input.
081 writer.startElement("span", this);
082 writer.writeAttribute("id", id, null);
083
084 //Now 3 input fields with 2 spans for separators.
085 if (enabled)
086 {
087 if (dateStyleClass != null && dateStyleClass.length() > 0)
088 writer.writeAttribute("class", dateStyleClass, null);
089 writer.startElement("input", this);
090 writer.writeAttribute("type", "text", null);
091 writer.writeAttribute("id", yearId, null);
092 writer.writeAttribute("name", yearId, null);
093 writer.writeAttribute("value", year, null);
094 writer.writeAttribute("size", 4, null);
095 writer.writeAttribute("maxlength", 4, null);
096 writer.writeAttribute("onfocus", "if(this.value == 'yyyy'){this.value='';}", null);
097 writer.writeAttribute("onblur", "iceSubmitPartial(form, this, event); return false;", null);
098
099 if (dateFieldStyleClass != null && dateFieldStyleClass.length() > 0)
100 writer.writeAttribute("class", dateFieldStyleClass, null);
101 writer.endElement("input");
102
103 encodeDateSeparator(writer);
104
105 writer.startElement("input", this);
106 writer.writeAttribute("type", "text", null);
107 writer.writeAttribute("id", monthId, null);
108 writer.writeAttribute("name", monthId, null);
109 writer.writeAttribute("value", month, null);
110 writer.writeAttribute("size", 2, null);
111 writer.writeAttribute("maxlength", 2, null);
112 writer.writeAttribute("onfocus", "if(this.value == 'MM'){this.value='';}", null);
113 writer.writeAttribute("onblur", "iceSubmitPartial(form, this, event); return false;", null);
114
115 if (dateFieldStyleClass != null && dateFieldStyleClass.length() > 0)
116 writer.writeAttribute("class", dateFieldStyleClass, null);
117
118 writer.endElement("input");
119
120 encodeDateSeparator(writer);
121
122 writer.startElement("input", this);
123 writer.writeAttribute("type", "text", null);
124 writer.writeAttribute("id", dayId, null);
125 writer.writeAttribute("name", dayId, null);
126 writer.writeAttribute("value", day, null);
127 writer.writeAttribute("size", 2, null);
128 writer.writeAttribute("maxlength", 2, null);
129 writer.writeAttribute("onfocus", "if(this.value == 'dd'){this.value='';}", null);
130 writer.writeAttribute("onblur", "iceSubmitPartial(form, this, event); return false;", null);
131
132 if (dateFieldStyleClass != null && dateFieldStyleClass.length() > 0)
133 writer.writeAttribute("class", dateFieldStyleClass, null);
134 writer.endElement("input");
135 }
136
137 else
138 {
139 if (disabledDateStyleClass != null && disabledDateStyleClass.length() > 0)
140 writer.writeAttribute("class", disabledDateStyleClass, null);
141 writer.startElement("span", this);
142 if (dateFieldStyleClass != null && dateFieldStyleClass.length() > 0)
143 writer.writeAttribute("class", dateFieldStyleClass, null);
144 writer.write(year);
145 writer.endElement("span");
146
147 encodeDateSeparator(writer);
148
149 writer.startElement("span", this);
150 if (dateFieldStyleClass != null && dateFieldStyleClass.length() > 0)
151 writer.writeAttribute("class", dateFieldStyleClass, null);
152 writer.write(month);
153 writer.endElement("span");
154
155 encodeDateSeparator(writer);
156
157 writer.startElement("span", this);
158 if (dateFieldStyleClass != null && dateFieldStyleClass.length() > 0)
159 writer.writeAttribute("class", dateFieldStyleClass, null);
160 writer.write(day);
161 writer.endElement("span");
162 }
163
164
165 //End the date input element
166 writer.endElement("span");
167
168 if (getShowTime())
169 {
170 writer.startElement("span", this);
171
172 //Now 3 input fields with 2 spans for separators.
173 if (enabled)
174 {
175 if (timeStyleClass != null && timeStyleClass.length() > 0)
176 writer.writeAttribute("class", timeStyleClass, null);
177 writer.startElement("input", this);
178 writer.writeAttribute("type", "text", null);
179 writer.writeAttribute("id", hourId, null);
180 writer.writeAttribute("name", hourId, null);
181 writer.writeAttribute("value", hour, null);
182 writer.writeAttribute("size", 2, null);
183 writer.writeAttribute("maxlength", 2, null);
184 writer.writeAttribute("onfocus", "if(this.value == 'HH'){this.value='';}", null);
185 writer.writeAttribute("onblur", "iceSubmitPartial(form, this, event); return false;", null);
186
187 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
188 writer.writeAttribute("class", timeFieldStyleClass, null);
189 writer.endElement("input");
190
191 encodeTimeSeparator(writer);
192
193 writer.startElement("input", this);
194 writer.writeAttribute("type", "text", null);
195 writer.writeAttribute("id", minuteId, null);
196 writer.writeAttribute("name", minuteId, null);
197 writer.writeAttribute("value", minute, null);
198 writer.writeAttribute("size", 2, null);
199 writer.writeAttribute("maxlength", 2, null);
200 writer.writeAttribute("onfocus", "if(this.value == 'mm'){this.value='';}", null);
201 writer.writeAttribute("onblur", "iceSubmitPartial(form, this, event); return false;", null);
202
203 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
204 writer.writeAttribute("class", timeFieldStyleClass, null);
205
206 writer.endElement("input");
207
208 encodeTimeSeparator(writer);
209
210 writer.startElement("input", this);
211 writer.writeAttribute("type", "text", null);
212 writer.writeAttribute("id", secondId, null);
213 writer.writeAttribute("name", secondId, null);
214 writer.writeAttribute("value", second, null);
215 writer.writeAttribute("size", 2, null);
216 writer.writeAttribute("maxlength", 2, null);
217 writer.writeAttribute("onfocus", "if(this.value == 'ss'){this.value='';}", null);
218 writer.writeAttribute("onblur", "iceSubmitPartial(form, this, event); return false;", null);
219
220 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
221 writer.writeAttribute("class", timeFieldStyleClass, null);
222
223 writer.endElement("input");
224 }
225
226 else
227 {
228 if (disabledTimeStyleClass != null && disabledTimeStyleClass.length() > 0)
229 writer.writeAttribute("class", disabledTimeStyleClass, null);
230 writer.startElement("span", this);
231 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
232 writer.writeAttribute("class", timeFieldStyleClass, null);
233 writer.write(hour);
234 writer.endElement("span");
235
236 encodeTimeSeparator(writer);
237
238 writer.startElement("span", this);
239 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
240 writer.writeAttribute("class", timeFieldStyleClass, null);
241 writer.write(minute);
242 writer.endElement("span");
243
244 encodeTimeSeparator(writer);
245
246 writer.startElement("span", this);
247 if (timeFieldStyleClass != null && timeFieldStyleClass.length() > 0)
248 writer.writeAttribute("class", timeFieldStyleClass, null);
249 writer.write(second);
250 writer.endElement("span");
251 }
252
253 //End the time input element
254 writer.endElement("span");
255 }
256
257 // end main wrapper
258 writer.endElement("span");
259 }
260
261 private void encodeDateSeparator(ResponseWriter writer)
262 throws IOException
263 {
264 writer.write(getDateSeparator());
265 }
266
267 private void encodeTimeSeparator(ResponseWriter writer)
268 throws IOException
269 {
270 writer.write(getTimeSeparator());
271 }
272
273 public void decode(FacesContext context)
274 {
275 String id = getClientId(context);
276 String yearId = id + ":year";
277 String monthId = id + ":month";
278 String dayId = id + ":day";
279 String hourId = id + ":hour";
280 String minuteId = id + ":minute";
281 String secondId = id + ":second";
282
283 Map parms = context.getExternalContext().getRequestParameterMap();
284
285 String year = (String)parms.get(yearId);
286 String month = (String)parms.get(monthId);
287 String day = (String)parms.get(dayId);
288 String hour = (String)parms.get(hourId);
289 String minute = (String)parms.get(minuteId);
290 String second = (String)parms.get(secondId);
291
292
293 boolean showTime = getShowTime();
294
295 if (year == null || month == null || day == null)
296 setSubmittedValue(null);
297
298 else if (showTime && (hour == null || minute == null || second == null))
299 setSubmittedValue(null);
300
301 else
302 {
303 boolean atLeastOneSet = false;
304 if (year.equals("yyyy"))
305 year = "2000";
306 else
307 atLeastOneSet = true;
308
309 if (month.equals("MM"))
310 month = "01";
311 else
312 atLeastOneSet = true;
313
314 if (day.equals("dd"))
315 day = "01";
316 else
317 atLeastOneSet = true;
318
319 if (showTime)
320 {
321 if (hour.equals("HH"))
322 hour = "00";
323 else
324 atLeastOneSet = true;
325
326 if (minute.equals("mm"))
327 minute = "00";
328 else
329 atLeastOneSet = true;
330
331 if (second.equals("ss"))
332 second = "00";
333 else
334 atLeastOneSet = true;
335 }
336
337 if (!atLeastOneSet)
338 setSubmittedValue(null);
339
340 else
341 {
342 //Regardless of the separators the user sees, here we need to use the
343 //separators that the DateConverter is expecting.
344
345 StringBuilder date = new StringBuilder(year);
346 date.append(DateConverter.dateFieldSeparator);
347 date.append(month);
348 date.append(DateConverter.dateFieldSeparator);
349 date.append(day);
350
351 date.append(DateConverter.dateTimeSeparator);
352
353 if (showTime)
354 {
355 date.append(hour);
356 date.append(DateConverter.timeFieldSeparator);
357 date.append(minute);
358 date.append(DateConverter.timeFieldSeparator);
359 date.append(second);
360 }
361
362 else
363 {
364 date.append("00");
365 date.append(DateConverter.timeFieldSeparator);
366 date.append("00");
367 date.append(DateConverter.timeFieldSeparator);
368 date.append("00");
369 }
370
371 setValid(true);
372
373 setSubmittedValue(date.toString());
374 }
375 }
376 }
377
378 public Object saveState(FacesContext context)
379 {
380 Object[] state = new Object[4];
381 state[0] = super.saveState(context);
382 state[1] = this.enabled;
383 state[2] = this.dateSeparator;
384 state[3] = this.timeSeparator;
385 state[4] = this.showTime;
386
387 return state;
388 }
389
390 public void restoreState(FacesContext context, Object state)
391 {
392 Object[] myState = (Object[])state;
393 super.restoreState(context, myState[0]);
394 setEnabled((Boolean)myState[1]);
395 setDateSeparator((String)myState[2]);
396 setTimeSeparator((String)myState[3]);
397 setShowTime((Boolean)myState[4]);
398 }
399
400 public String getDateSeparator()
401 {
402 if (this.dateSeparator != null)
403 return this.dateSeparator;
404
405 ValueBinding vb = getValueBinding("dateSeparator");
406 if (vb != null)
407 {
408 Object val = vb.getValue(getFacesContext());
409
410 if (val instanceof String && val != null)
411 return (String)val;
412 }
413
414 //else
415 return "-";
416 }
417
418 public void setDateSeparator(String s)
419 {
420 this.dateSeparator = s;
421 }
422
423 public String getTimeSeparator()
424 {
425 if (this.timeSeparator != null)
426 return this.timeSeparator;
427
428 ValueBinding vb = getValueBinding("timeSeparator");
429 if (vb != null)
430 {
431 Object val = vb.getValue(getFacesContext());
432
433 if (val instanceof String && val != null)
434 return (String)val;
435 }
436
437 //else
438 return ":";
439 }
440
441 public void setTimeSeparator(String s)
442 {
443 this.timeSeparator = s;
444 }
445
446 public Boolean isEnabled()
447 {
448 if (this.enabled != null)
449 return this.enabled;
450
451 ValueBinding vb = getValueBinding("enabled");
452 if (vb != null)
453 {
454 Object val = vb.getValue(getFacesContext());
455
456 if (val instanceof Boolean && val != null)
457 return (Boolean)val;
458 }
459
460 //else
461 return Boolean.TRUE;
462 }
463
464 public void setEnabled(Boolean e)
465 {
466 this.enabled = e;
467 }
468
469 public Boolean getShowTime()
470 {
471 if (this.showTime != null)
472 return this.showTime;
473
474 ValueBinding vb = getValueBinding("showTime");
475 if (vb != null)
476 {
477 Object val = vb.getValue(getFacesContext());
478
479 if (val instanceof Boolean && val != null)
480 return (Boolean)val;
481 }
482
483 //else
484 return Boolean.TRUE;
485 }
486
487 public void setShowTime(Boolean s)
488 {
489 this.showTime = s;
490 }
491
492
493 /** Overridden to be empty. */
494 public void encodeEnd(FacesContext context) throws IOException {}
495
496 /** Overridden to be empty. */
497 public void encodeChildren(FacesContext context) throws IOException {}
498 }