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1 552 thorn
/*  Copyright Mihai Bazon, 2002-2005  |  www.bazon.net/mishoo
2
 * -----------------------------------------------------------
3
 *
4
 * The DHTML Calendar, version 1.0 "It is happening again"
5
 *
6
 * Details and latest version at:
7
 * www.dynarch.com/projects/calendar
8
 *
9
 * This script is developed by Dynarch.com.  Visit us at www.dynarch.com.
10
 *
11
 * This script is distributed under the GNU Lesser General Public License.
12
 * Read the entire license text here: http://www.gnu.org/licenses/lgpl.html
13
 */
14
15 2070 darkviper
// $Id$
16 552 thorn
17
/** The Calendar object constructor. */
18
Calendar = function (firstDayOfWeek, dateStr, onSelected, onClose) {
19
	// member variables
20
	this.activeDiv = null;
21
	this.currentDateEl = null;
22
	this.getDateStatus = null;
23
	this.getDateToolTip = null;
24
	this.getDateText = null;
25
	this.timeout = null;
26
	this.onSelected = onSelected || null;
27
	this.onClose = onClose || null;
28
	this.dragging = false;
29
	this.hidden = false;
30
	this.minYear = 1970;
31
	this.maxYear = 2050;
32
	this.dateFormat = Calendar._TT["DEF_DATE_FORMAT"];
33
	this.ttDateFormat = Calendar._TT["TT_DATE_FORMAT"];
34
	this.isPopup = true;
35
	this.weekNumbers = true;
36
	this.firstDayOfWeek = typeof firstDayOfWeek == "number" ? firstDayOfWeek : Calendar._FD; // 0 for Sunday, 1 for Monday, etc.
37
	this.showsOtherMonths = false;
38
	this.dateStr = dateStr;
39
	this.ar_days = null;
40
	this.showsTime = false;
41
	this.time24 = true;
42
	this.yearStep = 2;
43
	this.hiliteToday = true;
44
	this.multiple = null;
45
	// HTML elements
46
	this.table = null;
47
	this.element = null;
48
	this.tbody = null;
49
	this.firstdayname = null;
50
	// Combo boxes
51
	this.monthsCombo = null;
52
	this.yearsCombo = null;
53
	this.hilitedMonth = null;
54
	this.activeMonth = null;
55
	this.hilitedYear = null;
56
	this.activeYear = null;
57
	// Information
58
	this.dateClicked = false;
59
60
	// one-time initializations
61
	if (typeof Calendar._SDN == "undefined") {
62
		// table of short day names
63
		if (typeof Calendar._SDN_len == "undefined")
64
			Calendar._SDN_len = 3;
65
		var ar = new Array();
66
		for (var i = 8; i > 0;) {
67
			ar[--i] = Calendar._DN[i].substr(0, Calendar._SDN_len);
68
		}
69
		Calendar._SDN = ar;
70
		// table of short month names
71
		if (typeof Calendar._SMN_len == "undefined")
72
			Calendar._SMN_len = 3;
73
		ar = new Array();
74
		for (var i = 12; i > 0;) {
75
			ar[--i] = Calendar._MN[i].substr(0, Calendar._SMN_len);
76
		}
77
		Calendar._SMN = ar;
78
	}
79
};
80
81
// ** constants
82
83
/// "static", needed for event handlers.
84
Calendar._C = null;
85
86
/// detect a special case of "web browser"
87
Calendar.is_ie = ( /msie/i.test(navigator.userAgent) &&
88
		   !/opera/i.test(navigator.userAgent) );
89
90
Calendar.is_ie5 = ( Calendar.is_ie && /msie 5\.0/i.test(navigator.userAgent) );
91
92
/// detect Opera browser
93
Calendar.is_opera = /opera/i.test(navigator.userAgent);
94
95
/// detect KHTML-based browsers
96
Calendar.is_khtml = /Konqueror|Safari|KHTML/i.test(navigator.userAgent);
97
98
// BEGIN: UTILITY FUNCTIONS; beware that these might be moved into a separate
99
//        library, at some point.
100
101
Calendar.getAbsolutePos = function(el) {
102
	var SL = 0, ST = 0;
103
	var is_div = /^div$/i.test(el.tagName);
104
	if (is_div && el.scrollLeft)
105
		SL = el.scrollLeft;
106
	if (is_div && el.scrollTop)
107
		ST = el.scrollTop;
108
	var r = { x: el.offsetLeft - SL, y: el.offsetTop - ST };
109
	if (el.offsetParent) {
110
		var tmp = this.getAbsolutePos(el.offsetParent);
111
		r.x += tmp.x;
112
		r.y += tmp.y;
113
	}
114
	return r;
115
};
116
117
Calendar.isRelated = function (el, evt) {
118
	var related = evt.relatedTarget;
119
	if (!related) {
120
		var type = evt.type;
121
		if (type == "mouseover") {
122
			related = evt.fromElement;
123
		} else if (type == "mouseout") {
124
			related = evt.toElement;
125
		}
126
	}
127
	while (related) {
128
		if (related == el) {
129
			return true;
130
		}
131
		related = related.parentNode;
132
	}
133
	return false;
134
};
135
136
Calendar.removeClass = function(el, className) {
137
	if (!(el && el.className)) {
138
		return;
139
	}
140
	var cls = el.className.split(" ");
141
	var ar = new Array();
142
	for (var i = cls.length; i > 0;) {
143
		if (cls[--i] != className) {
144
			ar[ar.length] = cls[i];
145
		}
146
	}
147
	el.className = ar.join(" ");
148
};
149
150
Calendar.addClass = function(el, className) {
151
	Calendar.removeClass(el, className);
152
	el.className += " " + className;
153
};
154
155
// FIXME: the following 2 functions totally suck, are useless and should be replaced immediately.
156
Calendar.getElement = function(ev) {
157
	var f = Calendar.is_ie ? window.event.srcElement : ev.currentTarget;
158
	while (f.nodeType != 1 || /^div$/i.test(f.tagName))
159
		f = f.parentNode;
160
	return f;
161
};
162
163
Calendar.getTargetElement = function(ev) {
164
	var f = Calendar.is_ie ? window.event.srcElement : ev.target;
165
	while (f.nodeType != 1)
166
		f = f.parentNode;
167
	return f;
168
};
169
170
Calendar.stopEvent = function(ev) {
171
	ev || (ev = window.event);
172
	if (Calendar.is_ie) {
173
		ev.cancelBubble = true;
174
		ev.returnValue = false;
175
	} else {
176
		ev.preventDefault();
177
		ev.stopPropagation();
178
	}
179
	return false;
180
};
181
182
Calendar.addEvent = function(el, evname, func) {
183
	if (el.attachEvent) { // IE
184
		el.attachEvent("on" + evname, func);
185
	} else if (el.addEventListener) { // Gecko / W3C
186
		el.addEventListener(evname, func, true);
187
	} else {
188
		el["on" + evname] = func;
189
	}
190
};
191
192
Calendar.removeEvent = function(el, evname, func) {
193
	if (el.detachEvent) { // IE
194
		el.detachEvent("on" + evname, func);
195
	} else if (el.removeEventListener) { // Gecko / W3C
196
		el.removeEventListener(evname, func, true);
197
	} else {
198
		el["on" + evname] = null;
199
	}
200
};
201
202
Calendar.createElement = function(type, parent) {
203
	var el = null;
204
	if (document.createElementNS) {
205
		// use the XHTML namespace; IE won't normally get here unless
206
		// _they_ "fix" the DOM2 implementation.
207
		el = document.createElementNS("http://www.w3.org/1999/xhtml", type);
208
	} else {
209
		el = document.createElement(type);
210
	}
211
	if (typeof parent != "undefined") {
212
		parent.appendChild(el);
213
	}
214
	return el;
215
};
216
217
// END: UTILITY FUNCTIONS
218
219
// BEGIN: CALENDAR STATIC FUNCTIONS
220
221
/** Internal -- adds a set of events to make some element behave like a button. */
222
Calendar._add_evs = function(el) {
223
	with (Calendar) {
224
		addEvent(el, "mouseover", dayMouseOver);
225
		addEvent(el, "mousedown", dayMouseDown);
226
		addEvent(el, "mouseout", dayMouseOut);
227
		if (is_ie) {
228
			addEvent(el, "dblclick", dayMouseDblClick);
229
			el.setAttribute("unselectable", true);
230
		}
231
	}
232
};
233
234
Calendar.findMonth = function(el) {
235
	if (typeof el.month != "undefined") {
236
		return el;
237
	} else if (typeof el.parentNode.month != "undefined") {
238
		return el.parentNode;
239
	}
240
	return null;
241
};
242
243
Calendar.findYear = function(el) {
244
	if (typeof el.year != "undefined") {
245
		return el;
246
	} else if (typeof el.parentNode.year != "undefined") {
247
		return el.parentNode;
248
	}
249
	return null;
250
};
251
252
Calendar.showMonthsCombo = function () {
253
	var cal = Calendar._C;
254
	if (!cal) {
255
		return false;
256
	}
257
	var cal = cal;
258
	var cd = cal.activeDiv;
259
	var mc = cal.monthsCombo;
260
	if (cal.hilitedMonth) {
261
		Calendar.removeClass(cal.hilitedMonth, "hilite");
262
	}
263
	if (cal.activeMonth) {
264
		Calendar.removeClass(cal.activeMonth, "active");
265
	}
266
	var mon = cal.monthsCombo.getElementsByTagName("div")[cal.date.getMonth()];
267
	Calendar.addClass(mon, "active");
268
	cal.activeMonth = mon;
269
	var s = mc.style;
270
	s.display = "block";
271
	if (cd.navtype < 0)
272
		s.left = cd.offsetLeft + "px";
273
	else {
274
		var mcw = mc.offsetWidth;
275
		if (typeof mcw == "undefined")
276
			// Konqueror brain-dead techniques
277
			mcw = 50;
278
		s.left = (cd.offsetLeft + cd.offsetWidth - mcw) + "px";
279
	}
280
	s.top = (cd.offsetTop + cd.offsetHeight) + "px";
281
};
282
283
Calendar.showYearsCombo = function (fwd) {
284
	var cal = Calendar._C;
285
	if (!cal) {
286
		return false;
287
	}
288
	var cal = cal;
289
	var cd = cal.activeDiv;
290
	var yc = cal.yearsCombo;
291
	if (cal.hilitedYear) {
292
		Calendar.removeClass(cal.hilitedYear, "hilite");
293
	}
294
	if (cal.activeYear) {
295
		Calendar.removeClass(cal.activeYear, "active");
296
	}
297
	cal.activeYear = null;
298
	var Y = cal.date.getFullYear() + (fwd ? 1 : -1);
299
	var yr = yc.firstChild;
300
	var show = false;
301
	for (var i = 12; i > 0; --i) {
302
		if (Y >= cal.minYear && Y <= cal.maxYear) {
303
			yr.innerHTML = Y;
304
			yr.year = Y;
305
			yr.style.display = "block";
306
			show = true;
307
		} else {
308
			yr.style.display = "none";
309
		}
310
		yr = yr.nextSibling;
311
		Y += fwd ? cal.yearStep : -cal.yearStep;
312
	}
313
	if (show) {
314
		var s = yc.style;
315
		s.display = "block";
316
		if (cd.navtype < 0)
317
			s.left = cd.offsetLeft + "px";
318
		else {
319
			var ycw = yc.offsetWidth;
320
			if (typeof ycw == "undefined")
321
				// Konqueror brain-dead techniques
322
				ycw = 50;
323
			s.left = (cd.offsetLeft + cd.offsetWidth - ycw) + "px";
324
		}
325
		s.top = (cd.offsetTop + cd.offsetHeight) + "px";
326
	}
327
};
328
329
// event handlers
330
331
Calendar.tableMouseUp = function(ev) {
332
	var cal = Calendar._C;
333
	if (!cal) {
334
		return false;
335
	}
336
	if (cal.timeout) {
337
		clearTimeout(cal.timeout);
338
	}
339
	var el = cal.activeDiv;
340
	if (!el) {
341
		return false;
342
	}
343
	var target = Calendar.getTargetElement(ev);
344
	ev || (ev = window.event);
345
	Calendar.removeClass(el, "active");
346
	if (target == el || target.parentNode == el) {
347
		Calendar.cellClick(el, ev);
348
	}
349
	var mon = Calendar.findMonth(target);
350
	var date = null;
351
	if (mon) {
352
		date = new Date(cal.date);
353
		if (mon.month != date.getMonth()) {
354
			date.setMonth(mon.month);
355
			cal.setDate(date);
356
			cal.dateClicked = false;
357
			cal.callHandler();
358
		}
359
	} else {
360
		var year = Calendar.findYear(target);
361
		if (year) {
362
			date = new Date(cal.date);
363
			if (year.year != date.getFullYear()) {
364
				date.setFullYear(year.year);
365
				cal.setDate(date);
366
				cal.dateClicked = false;
367
				cal.callHandler();
368
			}
369
		}
370
	}
371
	with (Calendar) {
372
		removeEvent(document, "mouseup", tableMouseUp);
373
		removeEvent(document, "mouseover", tableMouseOver);
374
		removeEvent(document, "mousemove", tableMouseOver);
375
		cal._hideCombos();
376
		_C = null;
377
		return stopEvent(ev);
378
	}
379
};
380
381
Calendar.tableMouseOver = function (ev) {
382
	var cal = Calendar._C;
383
	if (!cal) {
384
		return;
385
	}
386
	var el = cal.activeDiv;
387
	var target = Calendar.getTargetElement(ev);
388
	if (target == el || target.parentNode == el) {
389
		Calendar.addClass(el, "hilite active");
390
		Calendar.addClass(el.parentNode, "rowhilite");
391
	} else {
392
		if (typeof el.navtype == "undefined" || (el.navtype != 50 && (el.navtype == 0 || Math.abs(el.navtype) > 2)))
393
			Calendar.removeClass(el, "active");
394
		Calendar.removeClass(el, "hilite");
395
		Calendar.removeClass(el.parentNode, "rowhilite");
396
	}
397
	ev || (ev = window.event);
398
	if (el.navtype == 50 && target != el) {
399
		var pos = Calendar.getAbsolutePos(el);
400
		var w = el.offsetWidth;
401
		var x = ev.clientX;
402
		var dx;
403
		var decrease = true;
404
		if (x > pos.x + w) {
405
			dx = x - pos.x - w;
406
			decrease = false;
407
		} else
408
			dx = pos.x - x;
409
410
		if (dx < 0) dx = 0;
411
		var range = el._range;
412
		var current = el._current;
413
		var count = Math.floor(dx / 10) % range.length;
414
		for (var i = range.length; --i >= 0;)
415
			if (range[i] == current)
416
				break;
417
		while (count-- > 0)
418
			if (decrease) {
419
				if (--i < 0)
420
					i = range.length - 1;
421
			} else if ( ++i >= range.length )
422
				i = 0;
423
		var newval = range[i];
424
		el.innerHTML = newval;
425
426
		cal.onUpdateTime();
427
	}
428
	var mon = Calendar.findMonth(target);
429
	if (mon) {
430
		if (mon.month != cal.date.getMonth()) {
431
			if (cal.hilitedMonth) {
432
				Calendar.removeClass(cal.hilitedMonth, "hilite");
433
			}
434
			Calendar.addClass(mon, "hilite");
435
			cal.hilitedMonth = mon;
436
		} else if (cal.hilitedMonth) {
437
			Calendar.removeClass(cal.hilitedMonth, "hilite");
438
		}
439
	} else {
440
		if (cal.hilitedMonth) {
441
			Calendar.removeClass(cal.hilitedMonth, "hilite");
442
		}
443
		var year = Calendar.findYear(target);
444
		if (year) {
445
			if (year.year != cal.date.getFullYear()) {
446
				if (cal.hilitedYear) {
447
					Calendar.removeClass(cal.hilitedYear, "hilite");
448
				}
449
				Calendar.addClass(year, "hilite");
450
				cal.hilitedYear = year;
451
			} else if (cal.hilitedYear) {
452
				Calendar.removeClass(cal.hilitedYear, "hilite");
453
			}
454
		} else if (cal.hilitedYear) {
455
			Calendar.removeClass(cal.hilitedYear, "hilite");
456
		}
457
	}
458
	return Calendar.stopEvent(ev);
459
};
460
461
Calendar.tableMouseDown = function (ev) {
462
	if (Calendar.getTargetElement(ev) == Calendar.getElement(ev)) {
463
		return Calendar.stopEvent(ev);
464
	}
465
};
466
467
Calendar.calDragIt = function (ev) {
468
	var cal = Calendar._C;
469
	if (!(cal && cal.dragging)) {
470
		return false;
471
	}
472
	var posX;
473
	var posY;
474
	if (Calendar.is_ie) {
475
		posY = window.event.clientY + document.body.scrollTop;
476
		posX = window.event.clientX + document.body.scrollLeft;
477
	} else {
478
		posX = ev.pageX;
479
		posY = ev.pageY;
480
	}
481
	cal.hideShowCovered();
482
	var st = cal.element.style;
483
	st.left = (posX - cal.xOffs) + "px";
484
	st.top = (posY - cal.yOffs) + "px";
485
	return Calendar.stopEvent(ev);
486
};
487
488
Calendar.calDragEnd = function (ev) {
489
	var cal = Calendar._C;
490
	if (!cal) {
491
		return false;
492
	}
493
	cal.dragging = false;
494
	with (Calendar) {
495
		removeEvent(document, "mousemove", calDragIt);
496
		removeEvent(document, "mouseup", calDragEnd);
497
		tableMouseUp(ev);
498
	}
499
	cal.hideShowCovered();
500
};
501
502
Calendar.dayMouseDown = function(ev) {
503
	var el = Calendar.getElement(ev);
504
	if (el.disabled) {
505
		return false;
506
	}
507
	var cal = el.calendar;
508
	cal.activeDiv = el;
509
	Calendar._C = cal;
510
	if (el.navtype != 300) with (Calendar) {
511
		if (el.navtype == 50) {
512
			el._current = el.innerHTML;
513
			addEvent(document, "mousemove", tableMouseOver);
514
		} else
515
			addEvent(document, Calendar.is_ie5 ? "mousemove" : "mouseover", tableMouseOver);
516
		addClass(el, "hilite active");
517
		addEvent(document, "mouseup", tableMouseUp);
518
	} else if (cal.isPopup) {
519
		cal._dragStart(ev);
520
	}
521
	if (el.navtype == -1 || el.navtype == 1) {
522
		if (cal.timeout) clearTimeout(cal.timeout);
523
		cal.timeout = setTimeout("Calendar.showMonthsCombo()", 250);
524
	} else if (el.navtype == -2 || el.navtype == 2) {
525
		if (cal.timeout) clearTimeout(cal.timeout);
526
		cal.timeout = setTimeout((el.navtype > 0) ? "Calendar.showYearsCombo(true)" : "Calendar.showYearsCombo(false)", 250);
527
	} else {
528
		cal.timeout = null;
529
	}
530
	return Calendar.stopEvent(ev);
531
};
532
533
Calendar.dayMouseDblClick = function(ev) {
534
	Calendar.cellClick(Calendar.getElement(ev), ev || window.event);
535
	if (Calendar.is_ie) {
536
		document.selection.empty();
537
	}
538
};
539
540
Calendar.dayMouseOver = function(ev) {
541
	var el = Calendar.getElement(ev);
542
	if (Calendar.isRelated(el, ev) || Calendar._C || el.disabled) {
543
		return false;
544
	}
545
	if (el.ttip) {
546
		if (el.ttip.substr(0, 1) == "_") {
547
			el.ttip = el.caldate.print(el.calendar.ttDateFormat) + el.ttip.substr(1);
548
		}
549
		el.calendar.tooltips.innerHTML = el.ttip;
550
	}
551
	if (el.navtype != 300) {
552
		Calendar.addClass(el, "hilite");
553
		if (el.caldate) {
554
			Calendar.addClass(el.parentNode, "rowhilite");
555
		}
556
	}
557
	return Calendar.stopEvent(ev);
558
};
559
560
Calendar.dayMouseOut = function(ev) {
561
	with (Calendar) {
562
		var el = getElement(ev);
563
		if (isRelated(el, ev) || _C || el.disabled)
564
			return false;
565
		removeClass(el, "hilite");
566
		if (el.caldate)
567
			removeClass(el.parentNode, "rowhilite");
568
		if (el.calendar)
569
			el.calendar.tooltips.innerHTML = _TT["SEL_DATE"];
570
		return stopEvent(ev);
571
	}
572
};
573
574
/**
575
 *  A generic "click" handler :) handles all types of buttons defined in this
576
 *  calendar.
577
 */
578
Calendar.cellClick = function(el, ev) {
579
	var cal = el.calendar;
580
	var closing = false;
581
	var newdate = false;
582
	var date = null;
583
	if (typeof el.navtype == "undefined") {
584
		if (cal.currentDateEl) {
585
			Calendar.removeClass(cal.currentDateEl, "selected");
586
			Calendar.addClass(el, "selected");
587
			closing = (cal.currentDateEl == el);
588
			if (!closing) {
589
				cal.currentDateEl = el;
590
			}
591
		}
592
		cal.date.setDateOnly(el.caldate);
593
		date = cal.date;
594
		var other_month = !(cal.dateClicked = !el.otherMonth);
595
		if (!other_month && !cal.currentDateEl)
596
			cal._toggleMultipleDate(new Date(date));
597
		else
598
			newdate = !el.disabled;
599
		// a date was clicked
600
		if (other_month)
601
			cal._init(cal.firstDayOfWeek, date);
602
	} else {
603
		if (el.navtype == 200) {
604
			Calendar.removeClass(el, "hilite");
605
			cal.callCloseHandler();
606
			return;
607
		}
608
		date = new Date(cal.date);
609
		if (el.navtype == 0)
610
			date.setDateOnly(new Date()); // TODAY
611
		// unless "today" was clicked, we assume no date was clicked so
612
		// the selected handler will know not to close the calenar when
613
		// in single-click mode.
614
		// cal.dateClicked = (el.navtype == 0);
615
		cal.dateClicked = false;
616
		var year = date.getFullYear();
617
		var mon = date.getMonth();
618
		function setMonth(m) {
619
			var day = date.getDate();
620
			var max = date.getMonthDays(m);
621
			if (day > max) {
622
				date.setDate(max);
623
			}
624
			date.setMonth(m);
625
		};
626
		switch (el.navtype) {
627
		    case 400:
628
			Calendar.removeClass(el, "hilite");
629
			var text = Calendar._TT["ABOUT"];
630
			if (typeof text != "undefined") {
631
				text += cal.showsTime ? Calendar._TT["ABOUT_TIME"] : "";
632
			} else {
633
				// FIXME: this should be removed as soon as lang files get updated!
634
				text = "Help and about box text is not translated into this language.\n" +
635
					"If you know this language and you feel generous please update\n" +
636
					"the corresponding file in \"lang\" subdir to match calendar-en.js\n" +
637
					"and send it back to <mihai_bazon@yahoo.com> to get it into the distribution  ;-)\n\n" +
638
					"Thank you!\n" +
639
					"http://dynarch.com/mishoo/calendar.epl\n";
640
			}
641
			alert(text);
642
			return;
643
		    case -2:
644
			if (year > cal.minYear) {
645
				date.setFullYear(year - 1);
646
			}
647
			break;
648
		    case -1:
649
			if (mon > 0) {
650
				setMonth(mon - 1);
651
			} else if (year-- > cal.minYear) {
652
				date.setFullYear(year);
653
				setMonth(11);
654
			}
655
			break;
656
		    case 1:
657
			if (mon < 11) {
658
				setMonth(mon + 1);
659
			} else if (year < cal.maxYear) {
660
				date.setFullYear(year + 1);
661
				setMonth(0);
662
			}
663
			break;
664
		    case 2:
665
			if (year < cal.maxYear) {
666
				date.setFullYear(year + 1);
667
			}
668
			break;
669
		    case 100:
670
			cal.setFirstDayOfWeek(el.fdow);
671
			return;
672
		    case 50:
673
			var range = el._range;
674
			var current = el.innerHTML;
675
			for (var i = range.length; --i >= 0;)
676
				if (range[i] == current)
677
					break;
678
			if (ev && ev.shiftKey) {
679
				if (--i < 0)
680
					i = range.length - 1;
681
			} else if ( ++i >= range.length )
682
				i = 0;
683
			var newval = range[i];
684
			el.innerHTML = newval;
685
			cal.onUpdateTime();
686
			return;
687
		    case 0:
688
			// TODAY will bring us here
689
			if ((typeof cal.getDateStatus == "function") &&
690
			    cal.getDateStatus(date, date.getFullYear(), date.getMonth(), date.getDate())) {
691
				return false;
692
			}
693
			break;
694
		}
695
		if (!date.equalsTo(cal.date)) {
696
			cal.setDate(date);
697
			newdate = true;
698
		} else if (el.navtype == 0)
699
			newdate = closing = true;
700
	}
701
	if (newdate) {
702
		ev && cal.callHandler();
703
	}
704
	if (closing) {
705
		Calendar.removeClass(el, "hilite");
706
		ev && cal.callCloseHandler();
707
	}
708
};
709
710
// END: CALENDAR STATIC FUNCTIONS
711
712
// BEGIN: CALENDAR OBJECT FUNCTIONS
713
714
/**
715
 *  This function creates the calendar inside the given parent.  If _par is
716
 *  null than it creates a popup calendar inside the BODY element.  If _par is
717
 *  an element, be it BODY, then it creates a non-popup calendar (still
718
 *  hidden).  Some properties need to be set before calling this function.
719
 */
720
Calendar.prototype.create = function (_par) {
721
	var parent = null;
722
	if (! _par) {
723
		// default parent is the document body, in which case we create
724
		// a popup calendar.
725
		parent = document.getElementsByTagName("body")[0];
726
		this.isPopup = true;
727
	} else {
728
		parent = _par;
729
		this.isPopup = false;
730
	}
731
	this.date = this.dateStr ? new Date(this.dateStr) : new Date();
732
733
	var table = Calendar.createElement("table");
734
	this.table = table;
735
	table.cellSpacing = 0;
736
	table.cellPadding = 0;
737
	table.calendar = this;
738
	Calendar.addEvent(table, "mousedown", Calendar.tableMouseDown);
739
740
	var div = Calendar.createElement("div");
741
	this.element = div;
742
	div.className = "calendar";
743
	if (this.isPopup) {
744
		div.style.position = "absolute";
745
		div.style.display = "none";
746
	}
747
	div.appendChild(table);
748
749
	var thead = Calendar.createElement("thead", table);
750
	var cell = null;
751
	var row = null;
752
753
	var cal = this;
754
	var hh = function (text, cs, navtype) {
755
		cell = Calendar.createElement("td", row);
756
		cell.colSpan = cs;
757
		cell.className = "button";
758
		if (navtype != 0 && Math.abs(navtype) <= 2)
759
			cell.className += " nav";
760
		Calendar._add_evs(cell);
761
		cell.calendar = cal;
762
		cell.navtype = navtype;
763
		cell.innerHTML = "<div unselectable='on'>" + text + "</div>";
764
		return cell;
765
	};
766
767
	row = Calendar.createElement("tr", thead);
768
	var title_length = 6;
769
	(this.isPopup) && --title_length;
770
	(this.weekNumbers) && ++title_length;
771
772
	hh("?", 1, 400).ttip = Calendar._TT["INFO"];
773
	this.title = hh("", title_length, 300);
774
	this.title.className = "title";
775
	if (this.isPopup) {
776
		this.title.ttip = Calendar._TT["DRAG_TO_MOVE"];
777
		this.title.style.cursor = "move";
778
		hh("&#x00d7;", 1, 200).ttip = Calendar._TT["CLOSE"];
779
	}
780
781
	row = Calendar.createElement("tr", thead);
782
	row.className = "headrow";
783
784
	this._nav_py = hh("&#x00ab;", 1, -2);
785
	this._nav_py.ttip = Calendar._TT["PREV_YEAR"];
786
787
	this._nav_pm = hh("&#x2039;", 1, -1);
788
	this._nav_pm.ttip = Calendar._TT["PREV_MONTH"];
789
790
	this._nav_now = hh(Calendar._TT["TODAY"], this.weekNumbers ? 4 : 3, 0);
791
	this._nav_now.ttip = Calendar._TT["GO_TODAY"];
792
793
	this._nav_nm = hh("&#x203a;", 1, 1);
794
	this._nav_nm.ttip = Calendar._TT["NEXT_MONTH"];
795
796
	this._nav_ny = hh("&#x00bb;", 1, 2);
797
	this._nav_ny.ttip = Calendar._TT["NEXT_YEAR"];
798
799
	// day names
800
	row = Calendar.createElement("tr", thead);
801
	row.className = "daynames";
802
	if (this.weekNumbers) {
803
		cell = Calendar.createElement("td", row);
804
		cell.className = "name wn";
805
		cell.innerHTML = Calendar._TT["WK"];
806
	}
807
	for (var i = 7; i > 0; --i) {
808
		cell = Calendar.createElement("td", row);
809
		if (!i) {
810
			cell.navtype = 100;
811
			cell.calendar = this;
812
			Calendar._add_evs(cell);
813
		}
814
	}
815
	this.firstdayname = (this.weekNumbers) ? row.firstChild.nextSibling : row.firstChild;
816
	this._displayWeekdays();
817
818
	var tbody = Calendar.createElement("tbody", table);
819
	this.tbody = tbody;
820
821
	for (i = 6; i > 0; --i) {
822
		row = Calendar.createElement("tr", tbody);
823
		if (this.weekNumbers) {
824
			cell = Calendar.createElement("td", row);
825
		}
826
		for (var j = 7; j > 0; --j) {
827
			cell = Calendar.createElement("td", row);
828
			cell.calendar = this;
829
			Calendar._add_evs(cell);
830
		}
831
	}
832
833
	if (this.showsTime) {
834
		row = Calendar.createElement("tr", tbody);
835
		row.className = "time";
836
837
		cell = Calendar.createElement("td", row);
838
		cell.className = "time";
839
		cell.colSpan = 2;
840
		cell.innerHTML = Calendar._TT["TIME"] || "&nbsp;";
841
842
		cell = Calendar.createElement("td", row);
843
		cell.className = "time";
844
		cell.colSpan = this.weekNumbers ? 4 : 3;
845
846
		(function(){
847
			function makeTimePart(className, init, range_start, range_end) {
848
				var part = Calendar.createElement("span", cell);
849
				part.className = className;
850
				part.innerHTML = init;
851
				part.calendar = cal;
852
				part.ttip = Calendar._TT["TIME_PART"];
853
				part.navtype = 50;
854
				part._range = [];
855
				if (typeof range_start != "number")
856
					part._range = range_start;
857
				else {
858
					for (var i = range_start; i <= range_end; ++i) {
859
						var txt;
860
						if (i < 10 && range_end >= 10) txt = '0' + i;
861
						else txt = '' + i;
862
						part._range[part._range.length] = txt;
863
					}
864
				}
865
				Calendar._add_evs(part);
866
				return part;
867
			};
868
			var hrs = cal.date.getHours();
869
			var mins = cal.date.getMinutes();
870
			var t12 = !cal.time24;
871
			var pm = (hrs > 12);
872
			if (t12 && pm) hrs -= 12;
873
			var H = makeTimePart("hour", hrs, t12 ? 1 : 0, t12 ? 12 : 23);
874
			var span = Calendar.createElement("span", cell);
875
			span.innerHTML = ":";
876
			span.className = "colon";
877
			var M = makeTimePart("minute", mins, 0, 59);
878
			var AP = null;
879
			cell = Calendar.createElement("td", row);
880
			cell.className = "time";
881
			cell.colSpan = 2;
882
			if (t12)
883
				AP = makeTimePart("ampm", pm ? "pm" : "am", ["am", "pm"]);
884
			else
885
				cell.innerHTML = "&nbsp;";
886
887
			cal.onSetTime = function() {
888
				var pm, hrs = this.date.getHours(),
889
					mins = this.date.getMinutes();
890
				if (t12) {
891
					pm = (hrs >= 12);
892
					if (pm) hrs -= 12;
893
					if (hrs == 0) hrs = 12;
894
					AP.innerHTML = pm ? "pm" : "am";
895
				}
896
				H.innerHTML = (hrs < 10) ? ("0" + hrs) : hrs;
897
				M.innerHTML = (mins < 10) ? ("0" + mins) : mins;
898
			};
899
900
			cal.onUpdateTime = function() {
901
				var date = this.date;
902
				var h = parseInt(H.innerHTML, 10);
903
				if (t12) {
904
					if (/pm/i.test(AP.innerHTML) && h < 12)
905
						h += 12;
906
					else if (/am/i.test(AP.innerHTML) && h == 12)
907
						h = 0;
908
				}
909
				var d = date.getDate();
910
				var m = date.getMonth();
911
				var y = date.getFullYear();
912
				date.setHours(h);
913
				date.setMinutes(parseInt(M.innerHTML, 10));
914
				date.setFullYear(y);
915
				date.setMonth(m);
916
				date.setDate(d);
917
				this.dateClicked = false;
918
				this.callHandler();
919
			};
920
		})();
921
	} else {
922
		this.onSetTime = this.onUpdateTime = function() {};
923
	}
924
925
	var tfoot = Calendar.createElement("tfoot", table);
926
927
	row = Calendar.createElement("tr", tfoot);
928
	row.className = "footrow";
929
930
	cell = hh(Calendar._TT["SEL_DATE"], this.weekNumbers ? 8 : 7, 300);
931
	cell.className = "ttip";
932
	if (this.isPopup) {
933
		cell.ttip = Calendar._TT["DRAG_TO_MOVE"];
934
		cell.style.cursor = "move";
935
	}
936
	this.tooltips = cell;
937
938
	div = Calendar.createElement("div", this.element);
939
	this.monthsCombo = div;
940
	div.className = "combo";
941
	for (i = 0; i < Calendar._MN.length; ++i) {
942
		var mn = Calendar.createElement("div");
943
		mn.className = Calendar.is_ie ? "label-IEfix" : "label";
944
		mn.month = i;
945
		mn.innerHTML = Calendar._SMN[i];
946
		div.appendChild(mn);
947
	}
948
949
	div = Calendar.createElement("div", this.element);
950
	this.yearsCombo = div;
951
	div.className = "combo";
952
	for (i = 12; i > 0; --i) {
953
		var yr = Calendar.createElement("div");
954
		yr.className = Calendar.is_ie ? "label-IEfix" : "label";
955
		div.appendChild(yr);
956
	}
957
958
	this._init(this.firstDayOfWeek, this.date);
959
	parent.appendChild(this.element);
960
};
961
962
/** keyboard navigation, only for popup calendars */
963
Calendar._keyEvent = function(ev) {
964
	var cal = window._dynarch_popupCalendar;
965
	if (!cal || cal.multiple)
966
		return false;
967
	(Calendar.is_ie) && (ev = window.event);
968
	var act = (Calendar.is_ie || ev.type == "keypress"),
969
		K = ev.keyCode;
970
	if (ev.ctrlKey) {
971
		switch (K) {
972
		    case 37: // KEY left
973
			act && Calendar.cellClick(cal._nav_pm);
974
			break;
975
		    case 38: // KEY up
976
			act && Calendar.cellClick(cal._nav_py);
977
			break;
978
		    case 39: // KEY right
979
			act && Calendar.cellClick(cal._nav_nm);
980
			break;
981
		    case 40: // KEY down
982
			act && Calendar.cellClick(cal._nav_ny);
983
			break;
984
		    default:
985
			return false;
986
		}
987
	} else switch (K) {
988
	    case 32: // KEY space (now)
989
		Calendar.cellClick(cal._nav_now);
990
		break;
991
	    case 27: // KEY esc
992
		act && cal.callCloseHandler();
993
		break;
994
	    case 37: // KEY left
995
	    case 38: // KEY up
996
	    case 39: // KEY right
997
	    case 40: // KEY down
998
		if (act) {
999
			var prev, x, y, ne, el, step;
1000
			prev = K == 37 || K == 38;
1001
			step = (K == 37 || K == 39) ? 1 : 7;
1002
			function setVars() {
1003
				el = cal.currentDateEl;
1004
				var p = el.pos;
1005
				x = p & 15;
1006
				y = p >> 4;
1007
				ne = cal.ar_days[y][x];
1008
			};setVars();
1009
			function prevMonth() {
1010
				var date = new Date(cal.date);
1011
				date.setDate(date.getDate() - step);
1012
				cal.setDate(date);
1013
			};
1014
			function nextMonth() {
1015
				var date = new Date(cal.date);
1016
				date.setDate(date.getDate() + step);
1017
				cal.setDate(date);
1018
			};
1019
			while (1) {
1020
				switch (K) {
1021
				    case 37: // KEY left
1022
					if (--x >= 0)
1023
						ne = cal.ar_days[y][x];
1024
					else {
1025
						x = 6;
1026
						K = 38;
1027
						continue;
1028
					}
1029
					break;
1030
				    case 38: // KEY up
1031
					if (--y >= 0)
1032
						ne = cal.ar_days[y][x];
1033
					else {
1034
						prevMonth();
1035
						setVars();
1036
					}
1037
					break;
1038
				    case 39: // KEY right
1039
					if (++x < 7)
1040
						ne = cal.ar_days[y][x];
1041
					else {
1042
						x = 0;
1043
						K = 40;
1044
						continue;
1045
					}
1046
					break;
1047
				    case 40: // KEY down
1048
					if (++y < cal.ar_days.length)
1049
						ne = cal.ar_days[y][x];
1050
					else {
1051
						nextMonth();
1052
						setVars();
1053
					}
1054
					break;
1055
				}
1056
				break;
1057
			}
1058
			if (ne) {
1059
				if (!ne.disabled)
1060
					Calendar.cellClick(ne);
1061
				else if (prev)
1062
					prevMonth();
1063
				else
1064
					nextMonth();
1065
			}
1066
		}
1067
		break;
1068
	    case 13: // KEY enter
1069
		if (act)
1070
			Calendar.cellClick(cal.currentDateEl, ev);
1071
		break;
1072
	    default:
1073
		return false;
1074
	}
1075
	return Calendar.stopEvent(ev);
1076
};
1077
1078
/**
1079
 *  (RE)Initializes the calendar to the given date and firstDayOfWeek
1080
 */
1081
Calendar.prototype._init = function (firstDayOfWeek, date) {
1082
	var today = new Date(),
1083
		TY = today.getFullYear(),
1084
		TM = today.getMonth(),
1085
		TD = today.getDate();
1086
	this.table.style.visibility = "hidden";
1087
	var year = date.getFullYear();
1088
	if (year < this.minYear) {
1089
		year = this.minYear;
1090
		date.setFullYear(year);
1091
	} else if (year > this.maxYear) {
1092
		year = this.maxYear;
1093
		date.setFullYear(year);
1094
	}
1095
	this.firstDayOfWeek = firstDayOfWeek;
1096
	this.date = new Date(date);
1097
	var month = date.getMonth();
1098
	var mday = date.getDate();
1099
	var no_days = date.getMonthDays();
1100
1101
	// calendar voodoo for computing the first day that would actually be
1102
	// displayed in the calendar, even if it's from the previous month.
1103
	// WARNING: this is magic. ;-)
1104
	date.setDate(1);
1105
	var day1 = (date.getDay() - this.firstDayOfWeek) % 7;
1106
	if (day1 < 0)
1107
		day1 += 7;
1108
	date.setDate(-day1);
1109
	date.setDate(date.getDate() + 1);
1110
1111
	var row = this.tbody.firstChild;
1112
	var MN = Calendar._SMN[month];
1113
	var ar_days = this.ar_days = new Array();
1114
	var weekend = Calendar._TT["WEEKEND"];
1115
	var dates = this.multiple ? (this.datesCells = {}) : null;
1116
	for (var i = 0; i < 6; ++i, row = row.nextSibling) {
1117
		var cell = row.firstChild;
1118
		if (this.weekNumbers) {
1119
			cell.className = "day wn";
1120
			cell.innerHTML = date.getWeekNumber();
1121
			cell = cell.nextSibling;
1122
		}
1123
		row.className = "daysrow";
1124
		var hasdays = false, iday, dpos = ar_days[i] = [];
1125
		for (var j = 0; j < 7; ++j, cell = cell.nextSibling, date.setDate(iday + 1)) {
1126
			iday = date.getDate();
1127
			var wday = date.getDay();
1128
			cell.className = "day";
1129
			cell.pos = i << 4 | j;
1130
			dpos[j] = cell;
1131
			var current_month = (date.getMonth() == month);
1132
			if (!current_month) {
1133
				if (this.showsOtherMonths) {
1134
					cell.className += " othermonth";
1135
					cell.otherMonth = true;
1136
				} else {
1137
					cell.className = "emptycell";
1138
					cell.innerHTML = "&nbsp;";
1139
					cell.disabled = true;
1140
					continue;
1141
				}
1142
			} else {
1143
				cell.otherMonth = false;
1144
				hasdays = true;
1145
			}
1146
			cell.disabled = false;
1147
			cell.innerHTML = this.getDateText ? this.getDateText(date, iday) : iday;
1148
			if (dates)
1149
				dates[date.print("%Y%m%d")] = cell;
1150
			if (this.getDateStatus) {
1151
				var status = this.getDateStatus(date, year, month, iday);
1152
				if (this.getDateToolTip) {
1153
					var toolTip = this.getDateToolTip(date, year, month, iday);
1154
					if (toolTip)
1155
						cell.title = toolTip;
1156
				}
1157
				if (status === true) {
1158
					cell.className += " disabled";
1159
					cell.disabled = true;
1160
				} else {
1161
					if (/disabled/i.test(status))
1162
						cell.disabled = true;
1163
					cell.className += " " + status;
1164
				}
1165
			}
1166
			if (!cell.disabled) {
1167
				cell.caldate = new Date(date);
1168
				cell.ttip = "_";
1169
				if (!this.multiple && current_month
1170
				    && iday == mday && this.hiliteToday) {
1171
					cell.className += " selected";
1172
					this.currentDateEl = cell;
1173
				}
1174
				if (date.getFullYear() == TY &&
1175
				    date.getMonth() == TM &&
1176
				    iday == TD) {
1177
					cell.className += " today";
1178
					cell.ttip += Calendar._TT["PART_TODAY"];
1179
				}
1180
				if (weekend.indexOf(wday.toString()) != -1)
1181
					cell.className += cell.otherMonth ? " oweekend" : " weekend";
1182
			}
1183
		}
1184
		if (!(hasdays || this.showsOtherMonths))
1185
			row.className = "emptyrow";
1186
	}
1187
	this.title.innerHTML = Calendar._MN[month] + ", " + year;
1188
	this.onSetTime();
1189
	this.table.style.visibility = "visible";
1190
	this._initMultipleDates();
1191
	// PROFILE
1192
	// this.tooltips.innerHTML = "Generated in " + ((new Date()) - today) + " ms";
1193
};
1194
1195
Calendar.prototype._initMultipleDates = function() {
1196
	if (this.multiple) {
1197
		for (var i in this.multiple) {
1198
			var cell = this.datesCells[i];
1199
			var d = this.multiple[i];
1200
			if (!d)
1201
				continue;
1202
			if (cell)
1203
				cell.className += " selected";
1204
		}
1205
	}
1206
};
1207
1208
Calendar.prototype._toggleMultipleDate = function(date) {
1209
	if (this.multiple) {
1210
		var ds = date.print("%Y%m%d");
1211
		var cell = this.datesCells[ds];
1212
		if (cell) {
1213
			var d = this.multiple[ds];
1214
			if (!d) {
1215
				Calendar.addClass(cell, "selected");
1216
				this.multiple[ds] = date;
1217
			} else {
1218
				Calendar.removeClass(cell, "selected");
1219
				delete this.multiple[ds];
1220
			}
1221
		}
1222
	}
1223
};
1224
1225
Calendar.prototype.setDateToolTipHandler = function (unaryFunction) {
1226
	this.getDateToolTip = unaryFunction;
1227
};
1228
1229
/**
1230
 *  Calls _init function above for going to a certain date (but only if the
1231
 *  date is different than the currently selected one).
1232
 */
1233
Calendar.prototype.setDate = function (date) {
1234
	if (!date.equalsTo(this.date)) {
1235
		this._init(this.firstDayOfWeek, date);
1236
	}
1237
};
1238
1239
/**
1240
 *  Refreshes the calendar.  Useful if the "disabledHandler" function is
1241
 *  dynamic, meaning that the list of disabled date can change at runtime.
1242
 *  Just * call this function if you think that the list of disabled dates
1243
 *  should * change.
1244
 */
1245
Calendar.prototype.refresh = function () {
1246
	this._init(this.firstDayOfWeek, this.date);
1247
};
1248
1249
/** Modifies the "firstDayOfWeek" parameter (pass 0 for Synday, 1 for Monday, etc.). */
1250
Calendar.prototype.setFirstDayOfWeek = function (firstDayOfWeek) {
1251
	this._init(firstDayOfWeek, this.date);
1252
	this._displayWeekdays();
1253
};
1254
1255
/**
1256
 *  Allows customization of what dates are enabled.  The "unaryFunction"
1257
 *  parameter must be a function object that receives the date (as a JS Date
1258
 *  object) and returns a boolean value.  If the returned value is true then
1259
 *  the passed date will be marked as disabled.
1260
 */
1261
Calendar.prototype.setDateStatusHandler = Calendar.prototype.setDisabledHandler = function (unaryFunction) {
1262
	this.getDateStatus = unaryFunction;
1263
};
1264
1265
/** Customization of allowed year range for the calendar. */
1266
Calendar.prototype.setRange = function (a, z) {
1267
	this.minYear = a;
1268
	this.maxYear = z;
1269
};
1270
1271
/** Calls the first user handler (selectedHandler). */
1272
Calendar.prototype.callHandler = function () {
1273
	if (this.onSelected) {
1274
		this.onSelected(this, this.date.print(this.dateFormat));
1275
	}
1276
};
1277
1278
/** Calls the second user handler (closeHandler). */
1279
Calendar.prototype.callCloseHandler = function () {
1280
	if (this.onClose) {
1281
		this.onClose(this);
1282
	}
1283
	this.hideShowCovered();
1284
};
1285
1286
/** Removes the calendar object from the DOM tree and destroys it. */
1287
Calendar.prototype.destroy = function () {
1288
	var el = this.element.parentNode;
1289
	el.removeChild(this.element);
1290
	Calendar._C = null;
1291
	window._dynarch_popupCalendar = null;
1292
};
1293
1294
/**
1295
 *  Moves the calendar element to a different section in the DOM tree (changes
1296
 *  its parent).
1297
 */
1298
Calendar.prototype.reparent = function (new_parent) {
1299
	var el = this.element;
1300
	el.parentNode.removeChild(el);
1301
	new_parent.appendChild(el);
1302
};
1303
1304
// This gets called when the user presses a mouse button anywhere in the
1305
// document, if the calendar is shown.  If the click was outside the open
1306
// calendar this function closes it.
1307
Calendar._checkCalendar = function(ev) {
1308
	var calendar = window._dynarch_popupCalendar;
1309
	if (!calendar) {
1310
		return false;
1311
	}
1312
	var el = Calendar.is_ie ? Calendar.getElement(ev) : Calendar.getTargetElement(ev);
1313
	for (; el != null && el != calendar.element; el = el.parentNode);
1314
	if (el == null) {
1315
		// calls closeHandler which should hide the calendar.
1316
		window._dynarch_popupCalendar.callCloseHandler();
1317
		return Calendar.stopEvent(ev);
1318
	}
1319
};
1320
1321
/** Shows the calendar. */
1322
Calendar.prototype.show = function () {
1323
	var rows = this.table.getElementsByTagName("tr");
1324
	for (var i = rows.length; i > 0;) {
1325
		var row = rows[--i];
1326
		Calendar.removeClass(row, "rowhilite");
1327
		var cells = row.getElementsByTagName("td");
1328
		for (var j = cells.length; j > 0;) {
1329
			var cell = cells[--j];
1330
			Calendar.removeClass(cell, "hilite");
1331
			Calendar.removeClass(cell, "active");
1332
		}
1333
	}
1334
	this.element.style.display = "block";
1335
	this.hidden = false;
1336
	if (this.isPopup) {
1337
		window._dynarch_popupCalendar = this;
1338
		Calendar.addEvent(document, "keydown", Calendar._keyEvent);
1339
		Calendar.addEvent(document, "keypress", Calendar._keyEvent);
1340
		Calendar.addEvent(document, "mousedown", Calendar._checkCalendar);
1341
	}
1342
	this.hideShowCovered();
1343
};
1344
1345
/**
1346
 *  Hides the calendar.  Also removes any "hilite" from the class of any TD
1347
 *  element.
1348
 */
1349
Calendar.prototype.hide = function () {
1350
	if (this.isPopup) {
1351
		Calendar.removeEvent(document, "keydown", Calendar._keyEvent);
1352
		Calendar.removeEvent(document, "keypress", Calendar._keyEvent);
1353
		Calendar.removeEvent(document, "mousedown", Calendar._checkCalendar);
1354
	}
1355
	this.element.style.display = "none";
1356
	this.hidden = true;
1357
	this.hideShowCovered();
1358
};
1359
1360
/**
1361
 *  Shows the calendar at a given absolute position (beware that, depending on
1362
 *  the calendar element style -- position property -- this might be relative
1363
 *  to the parent's containing rectangle).
1364
 */
1365
Calendar.prototype.showAt = function (x, y) {
1366
	var s = this.element.style;
1367
	s.left = x + "px";
1368
	s.top = y + "px";
1369
	this.show();
1370
};
1371
1372
/** Shows the calendar near a given element. */
1373
Calendar.prototype.showAtElement = function (el, opts) {
1374
	var self = this;
1375
	var p = Calendar.getAbsolutePos(el);
1376
	if (!opts || typeof opts != "string") {
1377
		this.showAt(p.x, p.y + el.offsetHeight);
1378
		return true;
1379
	}
1380
	function fixPosition(box) {
1381
		if (box.x < 0)
1382
			box.x = 0;
1383
		if (box.y < 0)
1384
			box.y = 0;
1385
		var cp = document.createElement("div");
1386
		var s = cp.style;
1387
		s.position = "absolute";
1388
		s.right = s.bottom = s.width = s.height = "0px";
1389
		document.body.appendChild(cp);
1390
		var br = Calendar.getAbsolutePos(cp);
1391
		document.body.removeChild(cp);
1392
		if (Calendar.is_ie) {
1393
			br.y += document.body.scrollTop;
1394
			br.x += document.body.scrollLeft;
1395
		} else {
1396
			br.y += window.scrollY;
1397
			br.x += window.scrollX;
1398
		}
1399
		var tmp = box.x + box.width - br.x;
1400
		if (tmp > 0) box.x -= tmp;
1401
		tmp = box.y + box.height - br.y;
1402
		if (tmp > 0) box.y -= tmp;
1403
	};
1404
	this.element.style.display = "block";
1405
	Calendar.continuation_for_the_fucking_khtml_browser = function() {
1406
		var w = self.element.offsetWidth;
1407
		var h = self.element.offsetHeight;
1408
		self.element.style.display = "none";
1409
		var valign = opts.substr(0, 1);
1410
		var halign = "l";
1411
		if (opts.length > 1) {
1412
			halign = opts.substr(1, 1);
1413
		}
1414
		// vertical alignment
1415
		switch (valign) {
1416
		    case "T": p.y -= h; break;
1417
		    case "B": p.y += el.offsetHeight; break;
1418
		    case "C": p.y += (el.offsetHeight - h) / 2; break;
1419
		    case "t": p.y += el.offsetHeight - h; break;
1420
		    case "b": break; // already there
1421
		}
1422
		// horizontal alignment
1423
		switch (halign) {
1424
		    case "L": p.x -= w; break;
1425
		    case "R": p.x += el.offsetWidth; break;
1426
		    case "C": p.x += (el.offsetWidth - w) / 2; break;
1427
		    case "l": p.x += el.offsetWidth - w; break;
1428
		    case "r": break; // already there
1429
		}
1430
		p.width = w;
1431
		p.height = h + 40;
1432
		self.monthsCombo.style.display = "none";
1433
		fixPosition(p);
1434
		self.showAt(p.x, p.y);
1435
	};
1436
	if (Calendar.is_khtml)
1437
		setTimeout("Calendar.continuation_for_the_fucking_khtml_browser()", 10);
1438
	else
1439
		Calendar.continuation_for_the_fucking_khtml_browser();
1440
};
1441
1442
/** Customizes the date format. */
1443
Calendar.prototype.setDateFormat = function (str) {
1444
	this.dateFormat = str;
1445
};
1446
1447
/** Customizes the tooltip date format. */
1448
Calendar.prototype.setTtDateFormat = function (str) {
1449
	this.ttDateFormat = str;
1450
};
1451
1452
/**
1453
 *  Tries to identify the date represented in a string.  If successful it also
1454
 *  calls this.setDate which moves the calendar to the given date.
1455
 */
1456
Calendar.prototype.parseDate = function(str, fmt) {
1457
	if (!fmt)
1458
		fmt = this.dateFormat;
1459
	this.setDate(Date.parseDate(str, fmt));
1460
};
1461
1462
Calendar.prototype.hideShowCovered = function () {
1463
	if (!Calendar.is_ie && !Calendar.is_opera)
1464
		return;
1465
	function getVisib(obj){
1466
		var value = obj.style.visibility;
1467
		if (!value) {
1468
			if (document.defaultView && typeof (document.defaultView.getComputedStyle) == "function") { // Gecko, W3C
1469
				if (!Calendar.is_khtml)
1470
					value = document.defaultView.
1471
						getComputedStyle(obj, "").getPropertyValue("visibility");
1472
				else
1473
					value = '';
1474
			} else if (obj.currentStyle) { // IE
1475
				value = obj.currentStyle.visibility;
1476
			} else
1477
				value = '';
1478
		}
1479
		return value;
1480
	};
1481
1482
	var tags = new Array("applet", "iframe", "select");
1483
	var el = this.element;
1484
1485
	var p = Calendar.getAbsolutePos(el);
1486
	var EX1 = p.x;
1487
	var EX2 = el.offsetWidth + EX1;
1488
	var EY1 = p.y;
1489
	var EY2 = el.offsetHeight + EY1;
1490
1491
	for (var k = tags.length; k > 0; ) {
1492
		var ar = document.getElementsByTagName(tags[--k]);
1493
		var cc = null;
1494
1495
		for (var i = ar.length; i > 0;) {
1496
			cc = ar[--i];
1497
1498
			p = Calendar.getAbsolutePos(cc);
1499
			var CX1 = p.x;
1500
			var CX2 = cc.offsetWidth + CX1;
1501
			var CY1 = p.y;
1502
			var CY2 = cc.offsetHeight + CY1;
1503
1504
			if (this.hidden || (CX1 > EX2) || (CX2 < EX1) || (CY1 > EY2) || (CY2 < EY1)) {
1505
				if (!cc.__msh_save_visibility) {
1506
					cc.__msh_save_visibility = getVisib(cc);
1507
				}
1508
				cc.style.visibility = cc.__msh_save_visibility;
1509
			} else {
1510
				if (!cc.__msh_save_visibility) {
1511
					cc.__msh_save_visibility = getVisib(cc);
1512
				}
1513
				cc.style.visibility = "hidden";
1514
			}
1515
		}
1516
	}
1517
};
1518
1519
/** Internal function; it displays the bar with the names of the weekday. */
1520
Calendar.prototype._displayWeekdays = function () {
1521
	var fdow = this.firstDayOfWeek;
1522
	var cell = this.firstdayname;
1523
	var weekend = Calendar._TT["WEEKEND"];
1524
	for (var i = 0; i < 7; ++i) {
1525
		cell.className = "day name";
1526
		var realday = (i + fdow) % 7;
1527
		if (i) {
1528
			cell.ttip = Calendar._TT["DAY_FIRST"].replace("%s", Calendar._DN[realday]);
1529
			cell.navtype = 100;
1530
			cell.calendar = this;
1531
			cell.fdow = realday;
1532
			Calendar._add_evs(cell);
1533
		}
1534
		if (weekend.indexOf(realday.toString()) != -1) {
1535
			Calendar.addClass(cell, "weekend");
1536
		}
1537
		cell.innerHTML = Calendar._SDN[(i + fdow) % 7];
1538
		cell = cell.nextSibling;
1539
	}
1540
};
1541
1542
/** Internal function.  Hides all combo boxes that might be displayed. */
1543
Calendar.prototype._hideCombos = function () {
1544
	this.monthsCombo.style.display = "none";
1545
	this.yearsCombo.style.display = "none";
1546
};
1547
1548
/** Internal function.  Starts dragging the element. */
1549
Calendar.prototype._dragStart = function (ev) {
1550
	if (this.dragging) {
1551
		return;
1552
	}
1553
	this.dragging = true;
1554
	var posX;
1555
	var posY;
1556
	if (Calendar.is_ie) {
1557
		posY = window.event.clientY + document.body.scrollTop;
1558
		posX = window.event.clientX + document.body.scrollLeft;
1559
	} else {
1560
		posY = ev.clientY + window.scrollY;
1561
		posX = ev.clientX + window.scrollX;
1562
	}
1563
	var st = this.element.style;
1564
	this.xOffs = posX - parseInt(st.left);
1565
	this.yOffs = posY - parseInt(st.top);
1566
	with (Calendar) {
1567
		addEvent(document, "mousemove", calDragIt);
1568
		addEvent(document, "mouseup", calDragEnd);
1569
	}
1570
};
1571
1572
// BEGIN: DATE OBJECT PATCHES
1573
1574
/** Adds the number of days array to the Date object. */
1575
Date._MD = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
1576
1577
/** Constants used for time computations */
1578
Date.SECOND = 1000 /* milliseconds */;
1579
Date.MINUTE = 60 * Date.SECOND;
1580
Date.HOUR   = 60 * Date.MINUTE;
1581
Date.DAY    = 24 * Date.HOUR;
1582
Date.WEEK   =  7 * Date.DAY;
1583
1584
Date.parseDate = function(str, fmt) {
1585
	var today = new Date();
1586
	var y = 0;
1587
	var m = -1;
1588
	var d = 0;
1589
	var a = str.split(/\W+/);
1590
	var b = fmt.match(/%./g);
1591
	var i = 0, j = 0;
1592
	var hr = 0;
1593
	var min = 0;
1594
	for (i = 0; i < a.length; ++i) {
1595
		if (!a[i])
1596
			continue;
1597
		switch (b[i]) {
1598
		    case "%d":
1599
		    case "%e":
1600
			d = parseInt(a[i], 10);
1601
			break;
1602
1603
		    case "%m":
1604
			m = parseInt(a[i], 10) - 1;
1605
			break;
1606
1607
		    case "%Y":
1608
		    case "%y":
1609
			y = parseInt(a[i], 10);
1610
			(y < 100) && (y += (y > 29) ? 1900 : 2000);
1611
			break;
1612
1613
		    case "%b":
1614
		    case "%B":
1615
			for (j = 0; j < 12; ++j) {
1616
				if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { m = j; break; }
1617
			}
1618
			break;
1619
1620
		    case "%H":
1621
		    case "%I":
1622
		    case "%k":
1623
		    case "%l":
1624
			hr = parseInt(a[i], 10);
1625
			break;
1626
1627
		    case "%P":
1628
		    case "%p":
1629
			if (/pm/i.test(a[i]) && hr < 12)
1630
				hr += 12;
1631
			else if (/am/i.test(a[i]) && hr >= 12)
1632
				hr -= 12;
1633
			break;
1634
1635
		    case "%M":
1636
			min = parseInt(a[i], 10);
1637
			break;
1638
		}
1639
	}
1640
	if (isNaN(y)) y = today.getFullYear();
1641
	if (isNaN(m)) m = today.getMonth();
1642
	if (isNaN(d)) d = today.getDate();
1643
	if (isNaN(hr)) hr = today.getHours();
1644
	if (isNaN(min)) min = today.getMinutes();
1645
	if (y != 0 && m != -1 && d != 0)
1646
		return new Date(y, m, d, hr, min, 0);
1647
	y = 0; m = -1; d = 0;
1648
	for (i = 0; i < a.length; ++i) {
1649
		if (a[i].search(/[a-zA-Z]+/) != -1) {
1650
			var t = -1;
1651
			for (j = 0; j < 12; ++j) {
1652
				if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { t = j; break; }
1653
			}
1654
			if (t != -1) {
1655
				if (m != -1) {
1656
					d = m+1;
1657
				}
1658
				m = t;
1659
			}
1660
		} else if (parseInt(a[i], 10) <= 12 && m == -1) {
1661
			m = a[i]-1;
1662
		} else if (parseInt(a[i], 10) > 31 && y == 0) {
1663
			y = parseInt(a[i], 10);
1664
			(y < 100) && (y += (y > 29) ? 1900 : 2000);
1665
		} else if (d == 0) {
1666
			d = a[i];
1667
		}
1668
	}
1669
	if (y == 0)
1670
		y = today.getFullYear();
1671
	if (m != -1 && d != 0)
1672
		return new Date(y, m, d, hr, min, 0);
1673
	return today;
1674
};
1675
1676
/** Returns the number of days in the current month */
1677
Date.prototype.getMonthDays = function(month) {
1678
	var year = this.getFullYear();
1679
	if (typeof month == "undefined") {
1680
		month = this.getMonth();
1681
	}
1682
	if (((0 == (year%4)) && ( (0 != (year%100)) || (0 == (year%400)))) && month == 1) {
1683
		return 29;
1684
	} else {
1685
		return Date._MD[month];
1686
	}
1687
};
1688
1689
/** Returns the number of day in the year. */
1690
Date.prototype.getDayOfYear = function() {
1691
	var now = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
1692
	var then = new Date(this.getFullYear(), 0, 0, 0, 0, 0);
1693
	var time = now - then;
1694
	return Math.floor(time / Date.DAY);
1695
};
1696
1697
/** Returns the number of the week in year, as defined in ISO 8601. */
1698
Date.prototype.getWeekNumber = function() {
1699
	var d = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
1700
	var DoW = d.getDay();
1701
	d.setDate(d.getDate() - (DoW + 6) % 7 + 3); // Nearest Thu
1702
	var ms = d.valueOf(); // GMT
1703
	d.setMonth(0);
1704
	d.setDate(4); // Thu in Week 1
1705
	return Math.round((ms - d.valueOf()) / (7 * 864e5)) + 1;
1706
};
1707
1708
/** Checks date and time equality */
1709
Date.prototype.equalsTo = function(date) {
1710
	return ((this.getFullYear() == date.getFullYear()) &&
1711
		(this.getMonth() == date.getMonth()) &&
1712
		(this.getDate() == date.getDate()) &&
1713
		(this.getHours() == date.getHours()) &&
1714
		(this.getMinutes() == date.getMinutes()));
1715
};
1716
1717
/** Set only the year, month, date parts (keep existing time) */
1718
Date.prototype.setDateOnly = function(date) {
1719
	var tmp = new Date(date);
1720
	this.setDate(1);
1721
	this.setFullYear(tmp.getFullYear());
1722
	this.setMonth(tmp.getMonth());
1723
	this.setDate(tmp.getDate());
1724
};
1725
1726
/** Prints the date in a string according to the given format. */
1727
Date.prototype.print = function (str) {
1728
	var m = this.getMonth();
1729
	var d = this.getDate();
1730
	var y = this.getFullYear();
1731
	var wn = this.getWeekNumber();
1732
	var w = this.getDay();
1733
	var s = {};
1734
	var hr = this.getHours();
1735
	var pm = (hr >= 12);
1736
	var ir = (pm) ? (hr - 12) : hr;
1737
	var dy = this.getDayOfYear();
1738
	if (ir == 0)
1739
		ir = 12;
1740
	var min = this.getMinutes();
1741
	var sec = this.getSeconds();
1742
	s["%a"] = Calendar._SDN[w]; // abbreviated weekday name [FIXME: I18N]
1743
	s["%A"] = Calendar._DN[w]; // full weekday name
1744
	s["%b"] = Calendar._SMN[m]; // abbreviated month name [FIXME: I18N]
1745
	s["%B"] = Calendar._MN[m]; // full month name
1746
	// FIXME: %c : preferred date and time representation for the current locale
1747
	s["%C"] = 1 + Math.floor(y / 100); // the century number
1748
	s["%d"] = (d < 10) ? ("0" + d) : d; // the day of the month (range 01 to 31)
1749
	s["%e"] = d; // the day of the month (range 1 to 31)
1750
	// FIXME: %D : american date style: %m/%d/%y
1751
	// FIXME: %E, %F, %G, %g, %h (man strftime)
1752
	s["%H"] = (hr < 10) ? ("0" + hr) : hr; // hour, range 00 to 23 (24h format)
1753
	s["%I"] = (ir < 10) ? ("0" + ir) : ir; // hour, range 01 to 12 (12h format)
1754
	s["%j"] = (dy < 100) ? ((dy < 10) ? ("00" + dy) : ("0" + dy)) : dy; // day of the year (range 001 to 366)
1755
	s["%k"] = hr;		// hour, range 0 to 23 (24h format)
1756
	s["%l"] = ir;		// hour, range 1 to 12 (12h format)
1757
	s["%m"] = (m < 9) ? ("0" + (1+m)) : (1+m); // month, range 01 to 12
1758
	s["%M"] = (min < 10) ? ("0" + min) : min; // minute, range 00 to 59
1759
	s["%n"] = "\n";		// a newline character
1760
	s["%p"] = pm ? "PM" : "AM";
1761
	s["%P"] = pm ? "pm" : "am";
1762
	// FIXME: %r : the time in am/pm notation %I:%M:%S %p
1763
	// FIXME: %R : the time in 24-hour notation %H:%M
1764
	s["%s"] = Math.floor(this.getTime() / 1000);
1765
	s["%S"] = (sec < 10) ? ("0" + sec) : sec; // seconds, range 00 to 59
1766
	s["%t"] = "\t";		// a tab character
1767
	// FIXME: %T : the time in 24-hour notation (%H:%M:%S)
1768
	s["%U"] = s["%W"] = s["%V"] = (wn < 10) ? ("0" + wn) : wn;
1769
	s["%u"] = w + 1;	// the day of the week (range 1 to 7, 1 = MON)
1770
	s["%w"] = w;		// the day of the week (range 0 to 6, 0 = SUN)
1771
	// FIXME: %x : preferred date representation for the current locale without the time
1772
	// FIXME: %X : preferred time representation for the current locale without the date
1773
	s["%y"] = ('' + y).substr(2, 2); // year without the century (range 00 to 99)
1774
	s["%Y"] = y;		// year with the century
1775
	s["%%"] = "%";		// a literal '%' character
1776
1777
	var re = /%./g;
1778
	if (!Calendar.is_ie5 && !Calendar.is_khtml)
1779
		return str.replace(re, function (par) { return s[par] || par; });
1780
1781
	var a = str.match(re);
1782
	for (var i = 0; i < a.length; i++) {
1783
		var tmp = s[a[i]];
1784
		if (tmp) {
1785
			re = new RegExp(a[i], 'g');
1786
			str = str.replace(re, tmp);
1787
		}
1788
	}
1789
1790
	return str;
1791
};
1792
1793
Date.prototype.__msh_oldSetFullYear = Date.prototype.setFullYear;
1794
Date.prototype.setFullYear = function(y) {
1795
	var d = new Date(this);
1796
	d.__msh_oldSetFullYear(y);
1797
	if (d.getMonth() != this.getMonth())
1798
		this.setDate(28);
1799
	this.__msh_oldSetFullYear(y);
1800
};
1801
1802
// END: DATE OBJECT PATCHES
1803
1804
1805
// global object that remembers the calendar
1806
window._dynarch_popupCalendar = null;