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1
/*  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
// $Id: calendar.js 65 2017-03-03 21:38:16Z manu $
16

    
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.className = "pop-calendar";
738
    table.calendar = this;
739
    Calendar.addEvent(table, "mousedown", Calendar.tableMouseDown);
740

    
741
    var div = Calendar.createElement("div");
742
    this.element = div;
743
    div.className = "calendar";
744
    if (this.isPopup) {
745
        div.style.position = "absolute";
746
        div.style.display = "none";
747
    }
748
    div.appendChild(table);
749

    
750
    var thead = Calendar.createElement("thead", table);
751
    var cell = null;
752
    var row = null;
753

    
754
    var cal = this;
755
    var hh = function (text, cs, navtype) {
756
        cell = Calendar.createElement("td", row);
757
        cell.colSpan = cs;
758
        cell.className = "cal-button";
759
        if (navtype != 0 && Math.abs(navtype) <= 2)
760
            cell.className += " nav";
761
        Calendar._add_evs(cell);
762
        cell.calendar = cal;
763
        cell.navtype = navtype;
764
        cell.innerHTML = "<div unselectable='on'>" + text + "</div>";
765
        return cell;
766
    };
767

    
768
    row = Calendar.createElement("tr", thead);
769
    var title_length = 6;
770
    (this.isPopup) && --title_length;
771
    (this.weekNumbers) && ++title_length;
772

    
773
    hh("?", 1, 400).ttip = Calendar._TT["INFO"];
774
    this.title = hh("", title_length, 300);
775
    this.title.className = "title";
776
    if (this.isPopup) {
777
        this.title.ttip = Calendar._TT["DRAG_TO_MOVE"];
778
        this.title.style.cursor = "move";
779
        hh("&#x00d7;", 1, 200).ttip = Calendar._TT["CLOSE"];
780
    }
781

    
782
    row = Calendar.createElement("tr", thead);
783
    row.className = "headrow";
784

    
785
    this._nav_py = hh("&#x00ab;", 1, -2);
786
    this._nav_py.ttip = Calendar._TT["PREV_YEAR"];
787

    
788
    this._nav_pm = hh("&#x2039;", 1, -1);
789
    this._nav_pm.ttip = Calendar._TT["PREV_MONTH"];
790

    
791
    this._nav_now = hh(Calendar._TT["TODAY"], this.weekNumbers ? 4 : 3, 0);
792
    this._nav_now.ttip = Calendar._TT["GO_TODAY"];
793

    
794
    this._nav_nm = hh("&#x203a;", 1, 1);
795
    this._nav_nm.ttip = Calendar._TT["NEXT_MONTH"];
796

    
797
    this._nav_ny = hh("&#x00bb;", 1, 2);
798
    this._nav_ny.ttip = Calendar._TT["NEXT_YEAR"];
799

    
800
    // day names
801
    row = Calendar.createElement("tr", thead);
802
    row.className = "daynames";
803
    if (this.weekNumbers) {
804
        cell = Calendar.createElement("td", row);
805
        cell.className = "name wn";
806
        cell.innerHTML = Calendar._TT["WK"];
807
    }
808
    for (var i = 7; i > 0; --i) {
809
        cell = Calendar.createElement("td", row);
810
        if (!i) {
811
            cell.navtype = 100;
812
            cell.calendar = this;
813
            Calendar._add_evs(cell);
814
        }
815
    }
816
    this.firstdayname = (this.weekNumbers) ? row.firstChild.nextSibling : row.firstChild;
817
    this._displayWeekdays();
818

    
819
    var tbody = Calendar.createElement("tbody", table);
820
    this.tbody = tbody;
821

    
822
    for (i = 6; i > 0; --i) {
823
        row = Calendar.createElement("tr", tbody);
824
        if (this.weekNumbers) {
825
            cell = Calendar.createElement("td", row);
826
        }
827
        for (var j = 7; j > 0; --j) {
828
            cell = Calendar.createElement("td", row);
829
            cell.calendar = this;
830
            Calendar._add_evs(cell);
831
        }
832
    }
833

    
834
    if (this.showsTime) {
835
        row = Calendar.createElement("tr", tbody);
836
        row.className = "time";
837

    
838
        cell = Calendar.createElement("td", row);
839
        cell.className = "time";
840
        cell.colSpan = 2;
841
        cell.innerHTML = Calendar._TT["TIME"] || "&nbsp;";
842

    
843
        cell = Calendar.createElement("td", row);
844
        cell.className = "time";
845
        cell.colSpan = this.weekNumbers ? 4 : 3;
846

    
847
        (function(){
848
            function makeTimePart(className, init, range_start, range_end) {
849
                var part = Calendar.createElement("span", cell);
850
                part.className = className;
851
                part.innerHTML = init;
852
                part.calendar = cal;
853
                part.ttip = Calendar._TT["TIME_PART"];
854
                part.navtype = 50;
855
                part._range = [];
856
                if (typeof range_start != "number")
857
                    part._range = range_start;
858
                else {
859
                    for (var i = range_start; i <= range_end; ++i) {
860
                        var txt;
861
                        if (i < 10 && range_end >= 10) txt = '0' + i;
862
                        else txt = '' + i;
863
                        part._range[part._range.length] = txt;
864
                    }
865
                }
866
                Calendar._add_evs(part);
867
                return part;
868
            };
869
            var hrs = cal.date.getHours();
870
            var mins = cal.date.getMinutes();
871
            var t12 = !cal.time24;
872
            var pm = (hrs > 12);
873
            if (t12 && pm) hrs -= 12;
874
            var H = makeTimePart("hour", hrs, t12 ? 1 : 0, t12 ? 12 : 23);
875
            var span = Calendar.createElement("span", cell);
876
            span.innerHTML = ":";
877
            span.className = "colon";
878
            var M = makeTimePart("minute", mins, 0, 59);
879
            var AP = null;
880
            cell = Calendar.createElement("td", row);
881
            cell.className = "time";
882
            cell.colSpan = 2;
883
            if (t12)
884
                AP = makeTimePart("ampm", pm ? "pm" : "am", ["am", "pm"]);
885
            else
886
                cell.innerHTML = "&nbsp;";
887

    
888
            cal.onSetTime = function() {
889
                var pm, hrs = this.date.getHours(),
890
                    mins = this.date.getMinutes();
891
                if (t12) {
892
                    pm = (hrs >= 12);
893
                    if (pm) hrs -= 12;
894
                    if (hrs == 0) hrs = 12;
895
                    AP.innerHTML = pm ? "pm" : "am";
896
                }
897
                H.innerHTML = (hrs < 10) ? ("0" + hrs) : hrs;
898
                M.innerHTML = (mins < 10) ? ("0" + mins) : mins;
899
            };
900

    
901
            cal.onUpdateTime = function() {
902
                var date = this.date;
903
                var h = parseInt(H.innerHTML, 10);
904
                if (t12) {
905
                    if (/pm/i.test(AP.innerHTML) && h < 12)
906
                        h += 12;
907
                    else if (/am/i.test(AP.innerHTML) && h == 12)
908
                        h = 0;
909
                }
910
                var d = date.getDate();
911
                var m = date.getMonth();
912
                var y = date.getFullYear();
913
                date.setHours(h);
914
                date.setMinutes(parseInt(M.innerHTML, 10));
915
                date.setFullYear(y);
916
                date.setMonth(m);
917
                date.setDate(d);
918
                this.dateClicked = false;
919
                this.callHandler();
920
            };
921
        })();
922
    } else {
923
        this.onSetTime = this.onUpdateTime = function() {};
924
    }
925

    
926
    var tfoot = Calendar.createElement("tfoot", table);
927

    
928
    row = Calendar.createElement("tr", tfoot);
929
    row.className = "footrow";
930

    
931
    cell = hh(Calendar._TT["SEL_DATE"], this.weekNumbers ? 8 : 7, 300);
932
    cell.className = "ttip";
933
    if (this.isPopup) {
934
        cell.ttip = Calendar._TT["DRAG_TO_MOVE"];
935
        cell.style.cursor = "move";
936
    }
937
    this.tooltips = cell;
938

    
939
    div = Calendar.createElement("div", this.element);
940
    this.monthsCombo = div;
941
    div.className = "combo";
942
    for (i = 0; i < Calendar._MN.length; ++i) {
943
        var mn = Calendar.createElement("div");
944
        mn.className = Calendar.is_ie ? "label-IEfix" : "label";
945
        mn.month = i;
946
        mn.innerHTML = Calendar._SMN[i];
947
        div.appendChild(mn);
948
    }
949

    
950
    div = Calendar.createElement("div", this.element);
951
    this.yearsCombo = div;
952
    div.className = "combo";
953
    for (i = 12; i > 0; --i) {
954
        var yr = Calendar.createElement("div");
955
        yr.className = Calendar.is_ie ? "label-IEfix" : "label";
956
        div.appendChild(yr);
957
    }
958

    
959
    this._init(this.firstDayOfWeek, this.date);
960
    parent.appendChild(this.element);
961
};
962

    
963
/** keyboard navigation, only for popup calendars */
964
Calendar._keyEvent = function(ev) {
965
    var cal = window._dynarch_popupCalendar;
966
    if (!cal || cal.multiple)
967
        return false;
968
    (Calendar.is_ie) && (ev = window.event);
969
    var act = (Calendar.is_ie || ev.type == "keypress"),
970
        K = ev.keyCode;
971
    if (ev.ctrlKey) {
972
        switch (K) {
973
            case 37: // KEY left
974
            act && Calendar.cellClick(cal._nav_pm);
975
            break;
976
            case 38: // KEY up
977
            act && Calendar.cellClick(cal._nav_py);
978
            break;
979
            case 39: // KEY right
980
            act && Calendar.cellClick(cal._nav_nm);
981
            break;
982
            case 40: // KEY down
983
            act && Calendar.cellClick(cal._nav_ny);
984
            break;
985
            default:
986
            return false;
987
        }
988
    } else switch (K) {
989
        case 32: // KEY space (now)
990
        Calendar.cellClick(cal._nav_now);
991
        break;
992
        case 27: // KEY esc
993
        act && cal.callCloseHandler();
994
        break;
995
        case 37: // KEY left
996
        case 38: // KEY up
997
        case 39: // KEY right
998
        case 40: // KEY down
999
        if (act) {
1000
            var prev, x, y, ne, el, step;
1001
            prev = K == 37 || K == 38;
1002
            step = (K == 37 || K == 39) ? 1 : 7;
1003
            function setVars() {
1004
                el = cal.currentDateEl;
1005
                var p = el.pos;
1006
                x = p & 15;
1007
                y = p >> 4;
1008
                ne = cal.ar_days[y][x];
1009
            };setVars();
1010
            function prevMonth() {
1011
                var date = new Date(cal.date);
1012
                date.setDate(date.getDate() - step);
1013
                cal.setDate(date);
1014
            };
1015
            function nextMonth() {
1016
                var date = new Date(cal.date);
1017
                date.setDate(date.getDate() + step);
1018
                cal.setDate(date);
1019
            };
1020
            while (1) {
1021
                switch (K) {
1022
                    case 37: // KEY left
1023
                    if (--x >= 0)
1024
                        ne = cal.ar_days[y][x];
1025
                    else {
1026
                        x = 6;
1027
                        K = 38;
1028
                        continue;
1029
                    }
1030
                    break;
1031
                    case 38: // KEY up
1032
                    if (--y >= 0)
1033
                        ne = cal.ar_days[y][x];
1034
                    else {
1035
                        prevMonth();
1036
                        setVars();
1037
                    }
1038
                    break;
1039
                    case 39: // KEY right
1040
                    if (++x < 7)
1041
                        ne = cal.ar_days[y][x];
1042
                    else {
1043
                        x = 0;
1044
                        K = 40;
1045
                        continue;
1046
                    }
1047
                    break;
1048
                    case 40: // KEY down
1049
                    if (++y < cal.ar_days.length)
1050
                        ne = cal.ar_days[y][x];
1051
                    else {
1052
                        nextMonth();
1053
                        setVars();
1054
                    }
1055
                    break;
1056
                }
1057
                break;
1058
            }
1059
            if (ne) {
1060
                if (!ne.disabled)
1061
                    Calendar.cellClick(ne);
1062
                else if (prev)
1063
                    prevMonth();
1064
                else
1065
                    nextMonth();
1066
            }
1067
        }
1068
        break;
1069
        case 13: // KEY enter
1070
        if (act)
1071
            Calendar.cellClick(cal.currentDateEl, ev);
1072
        break;
1073
        default:
1074
        return false;
1075
    }
1076
    return Calendar.stopEvent(ev);
1077
};
1078

    
1079
/**
1080
 *  (RE)Initializes the calendar to the given date and firstDayOfWeek
1081
 */
1082
Calendar.prototype._init = function (firstDayOfWeek, date) {
1083
    var today = new Date(),
1084
        TY = today.getFullYear(),
1085
        TM = today.getMonth(),
1086
        TD = today.getDate();
1087
    this.table.style.visibility = "hidden";
1088
    var year = date.getFullYear();
1089
    if (year < this.minYear) {
1090
        year = this.minYear;
1091
        date.setFullYear(year);
1092
    } else if (year > this.maxYear) {
1093
        year = this.maxYear;
1094
        date.setFullYear(year);
1095
    }
1096
    this.firstDayOfWeek = firstDayOfWeek;
1097
    this.date = new Date(date);
1098
    var month = date.getMonth();
1099
    var mday = date.getDate();
1100
    var no_days = date.getMonthDays();
1101

    
1102
    // calendar voodoo for computing the first day that would actually be
1103
    // displayed in the calendar, even if it's from the previous month.
1104
    // WARNING: this is magic. ;-)
1105
    date.setDate(1);
1106
    var day1 = (date.getDay() - this.firstDayOfWeek) % 7;
1107
    if (day1 < 0)
1108
        day1 += 7;
1109
    date.setDate(-day1);
1110
    date.setDate(date.getDate() + 1);
1111

    
1112
    var row = this.tbody.firstChild;
1113
    var MN = Calendar._SMN[month];
1114
    var ar_days = this.ar_days = new Array();
1115
    var weekend = Calendar._TT["WEEKEND"];
1116
    var dates = this.multiple ? (this.datesCells = {}) : null;
1117
    for (var i = 0; i < 6; ++i, row = row.nextSibling) {
1118
        var cell = row.firstChild;
1119
        if (this.weekNumbers) {
1120
            cell.className = "day wn";
1121
            cell.innerHTML = date.getWeekNumber();
1122
            cell = cell.nextSibling;
1123
        }
1124
        row.className = "daysrow";
1125
        var hasdays = false, iday, dpos = ar_days[i] = [];
1126
        for (var j = 0; j < 7; ++j, cell = cell.nextSibling, date.setDate(iday + 1)) {
1127
            iday = date.getDate();
1128
            var wday = date.getDay();
1129
            cell.className = "day";
1130
            cell.pos = i << 4 | j;
1131
            dpos[j] = cell;
1132
            var current_month = (date.getMonth() == month);
1133
            if (!current_month) {
1134
                if (this.showsOtherMonths) {
1135
                    cell.className += " othermonth";
1136
                    cell.otherMonth = true;
1137
                } else {
1138
                    cell.className = "emptycell";
1139
                    cell.innerHTML = "&nbsp;";
1140
                    cell.disabled = true;
1141
                    continue;
1142
                }
1143
            } else {
1144
                cell.otherMonth = false;
1145
                hasdays = true;
1146
            }
1147
            cell.disabled = false;
1148
            cell.innerHTML = this.getDateText ? this.getDateText(date, iday) : iday;
1149
            if (dates)
1150
                dates[date.print("%Y%m%d")] = cell;
1151
            if (this.getDateStatus) {
1152
                var status = this.getDateStatus(date, year, month, iday);
1153
                if (this.getDateToolTip) {
1154
                    var toolTip = this.getDateToolTip(date, year, month, iday);
1155
                    if (toolTip)
1156
                        cell.title = toolTip;
1157
                }
1158
                if (status === true) {
1159
                    cell.className += " disabled";
1160
                    cell.disabled = true;
1161
                } else {
1162
                    if (/disabled/i.test(status))
1163
                        cell.disabled = true;
1164
                    cell.className += " " + status;
1165
                }
1166
            }
1167
            if (!cell.disabled) {
1168
                cell.caldate = new Date(date);
1169
                cell.ttip = "_";
1170
                if (!this.multiple && current_month
1171
                    && iday == mday && this.hiliteToday) {
1172
                    cell.className += " selected";
1173
                    this.currentDateEl = cell;
1174
                }
1175
                if (date.getFullYear() == TY &&
1176
                    date.getMonth() == TM &&
1177
                    iday == TD) {
1178
                    cell.className += " today";
1179
                    cell.ttip += Calendar._TT["PART_TODAY"];
1180
                }
1181
                if (weekend.indexOf(wday.toString()) != -1)
1182
                    cell.className += cell.otherMonth ? " oweekend" : " weekend";
1183
            }
1184
        }
1185
        if (!(hasdays || this.showsOtherMonths))
1186
            row.className = "emptyrow";
1187
    }
1188
    this.title.innerHTML = Calendar._MN[month] + ", " + year;
1189
    this.onSetTime();
1190
    this.table.style.visibility = "visible";
1191
    this._initMultipleDates();
1192
    // PROFILE
1193
    // this.tooltips.innerHTML = "Generated in " + ((new Date()) - today) + " ms";
1194
};
1195

    
1196
Calendar.prototype._initMultipleDates = function() {
1197
    if (this.multiple) {
1198
        for (var i in this.multiple) {
1199
            var cell = this.datesCells[i];
1200
            var d = this.multiple[i];
1201
            if (!d)
1202
                continue;
1203
            if (cell)
1204
                cell.className += " selected";
1205
        }
1206
    }
1207
};
1208

    
1209
Calendar.prototype._toggleMultipleDate = function(date) {
1210
    if (this.multiple) {
1211
        var ds = date.print("%Y%m%d");
1212
        var cell = this.datesCells[ds];
1213
        if (cell) {
1214
            var d = this.multiple[ds];
1215
            if (!d) {
1216
                Calendar.addClass(cell, "selected");
1217
                this.multiple[ds] = date;
1218
            } else {
1219
                Calendar.removeClass(cell, "selected");
1220
                delete this.multiple[ds];
1221
            }
1222
        }
1223
    }
1224
};
1225

    
1226
Calendar.prototype.setDateToolTipHandler = function (unaryFunction) {
1227
    this.getDateToolTip = unaryFunction;
1228
};
1229

    
1230
/**
1231
 *  Calls _init function above for going to a certain date (but only if the
1232
 *  date is different than the currently selected one).
1233
 */
1234
Calendar.prototype.setDate = function (date) {
1235
    if (!date.equalsTo(this.date)) {
1236
        this._init(this.firstDayOfWeek, date);
1237
    }
1238
};
1239

    
1240
/**
1241
 *  Refreshes the calendar.  Useful if the "disabledHandler" function is
1242
 *  dynamic, meaning that the list of disabled date can change at runtime.
1243
 *  Just * call this function if you think that the list of disabled dates
1244
 *  should * change.
1245
 */
1246
Calendar.prototype.refresh = function () {
1247
    this._init(this.firstDayOfWeek, this.date);
1248
};
1249

    
1250
/** Modifies the "firstDayOfWeek" parameter (pass 0 for Synday, 1 for Monday, etc.). */
1251
Calendar.prototype.setFirstDayOfWeek = function (firstDayOfWeek) {
1252
    this._init(firstDayOfWeek, this.date);
1253
    this._displayWeekdays();
1254
};
1255

    
1256
/**
1257
 *  Allows customization of what dates are enabled.  The "unaryFunction"
1258
 *  parameter must be a function object that receives the date (as a JS Date
1259
 *  object) and returns a boolean value.  If the returned value is true then
1260
 *  the passed date will be marked as disabled.
1261
 */
1262
Calendar.prototype.setDateStatusHandler = Calendar.prototype.setDisabledHandler = function (unaryFunction) {
1263
    this.getDateStatus = unaryFunction;
1264
};
1265

    
1266
/** Customization of allowed year range for the calendar. */
1267
Calendar.prototype.setRange = function (a, z) {
1268
    this.minYear = a;
1269
    this.maxYear = z;
1270
};
1271

    
1272
/** Calls the first user handler (selectedHandler). */
1273
Calendar.prototype.callHandler = function () {
1274
    if (this.onSelected) {
1275
        this.onSelected(this, this.date.print(this.dateFormat));
1276
    }
1277
};
1278

    
1279
/** Calls the second user handler (closeHandler). */
1280
Calendar.prototype.callCloseHandler = function () {
1281
    if (this.onClose) {
1282
        this.onClose(this);
1283
    }
1284
    this.hideShowCovered();
1285
};
1286

    
1287
/** Removes the calendar object from the DOM tree and destroys it. */
1288
Calendar.prototype.destroy = function () {
1289
    var el = this.element.parentNode;
1290
    el.removeChild(this.element);
1291
    Calendar._C = null;
1292
    window._dynarch_popupCalendar = null;
1293
};
1294

    
1295
/**
1296
 *  Moves the calendar element to a different section in the DOM tree (changes
1297
 *  its parent).
1298
 */
1299
Calendar.prototype.reparent = function (new_parent) {
1300
    var el = this.element;
1301
    el.parentNode.removeChild(el);
1302
    new_parent.appendChild(el);
1303
};
1304

    
1305
// This gets called when the user presses a mouse button anywhere in the
1306
// document, if the calendar is shown.  If the click was outside the open
1307
// calendar this function closes it.
1308
Calendar._checkCalendar = function(ev) {
1309
    var calendar = window._dynarch_popupCalendar;
1310
    if (!calendar) {
1311
        return false;
1312
    }
1313
    var el = Calendar.is_ie ? Calendar.getElement(ev) : Calendar.getTargetElement(ev);
1314
    for (; el != null && el != calendar.element; el = el.parentNode);
1315
    if (el == null) {
1316
        // calls closeHandler which should hide the calendar.
1317
        window._dynarch_popupCalendar.callCloseHandler();
1318
        return Calendar.stopEvent(ev);
1319
    }
1320
};
1321

    
1322
/** Shows the calendar. */
1323
Calendar.prototype.show = function () {
1324
    var rows = this.table.getElementsByTagName("tr");
1325
    for (var i = rows.length; i > 0;) {
1326
        var row = rows[--i];
1327
        Calendar.removeClass(row, "rowhilite");
1328
        var cells = row.getElementsByTagName("td");
1329
        for (var j = cells.length; j > 0;) {
1330
            var cell = cells[--j];
1331
            Calendar.removeClass(cell, "hilite");
1332
            Calendar.removeClass(cell, "active");
1333
        }
1334
    }
1335
    this.element.style.display = "block";
1336
    this.hidden = false;
1337
    if (this.isPopup) {
1338
        window._dynarch_popupCalendar = this;
1339
        Calendar.addEvent(document, "keydown", Calendar._keyEvent);
1340
        Calendar.addEvent(document, "keypress", Calendar._keyEvent);
1341
        Calendar.addEvent(document, "mousedown", Calendar._checkCalendar);
1342
    }
1343
    this.hideShowCovered();
1344
};
1345

    
1346
/**
1347
 *  Hides the calendar.  Also removes any "hilite" from the class of any TD
1348
 *  element.
1349
 */
1350
Calendar.prototype.hide = function () {
1351
    if (this.isPopup) {
1352
        Calendar.removeEvent(document, "keydown", Calendar._keyEvent);
1353
        Calendar.removeEvent(document, "keypress", Calendar._keyEvent);
1354
        Calendar.removeEvent(document, "mousedown", Calendar._checkCalendar);
1355
    }
1356
    this.element.style.display = "none";
1357
    this.hidden = true;
1358
    this.hideShowCovered();
1359
};
1360

    
1361
/**
1362
 *  Shows the calendar at a given absolute position (beware that, depending on
1363
 *  the calendar element style -- position property -- this might be relative
1364
 *  to the parent's containing rectangle).
1365
 */
1366
Calendar.prototype.showAt = function (x, y) {
1367
    var s = this.element.style;
1368
    s.left = x + "px";
1369
    s.top = y + "px";
1370
    this.show();
1371
};
1372

    
1373
/** Shows the calendar near a given element. */
1374
Calendar.prototype.showAtElement = function (el, opts) {
1375
    var self = this;
1376
    var p = Calendar.getAbsolutePos(el);
1377
    if (!opts || typeof opts != "string") {
1378
        this.showAt(p.x, p.y + el.offsetHeight);
1379
        return true;
1380
    }
1381
    function fixPosition(box) {
1382
        if (box.x < 0)
1383
            box.x = 0;
1384
        if (box.y < 0)
1385
            box.y = 0;
1386
        var cp = document.createElement("div");
1387
        var s = cp.style;
1388
        s.position = "absolute";
1389
        s.right = s.bottom = s.width = s.height = "0px";
1390
        document.body.appendChild(cp);
1391
        var br = Calendar.getAbsolutePos(cp);
1392
        document.body.removeChild(cp);
1393
        if (Calendar.is_ie) {
1394
            br.y += document.body.scrollTop;
1395
            br.x += document.body.scrollLeft;
1396
        } else {
1397
            br.y += window.scrollY;
1398
            br.x += window.scrollX;
1399
        }
1400
        var tmp = box.x + box.width - br.x;
1401
        if (tmp > 0) box.x -= tmp;
1402
        tmp = box.y + box.height - br.y;
1403
        if (tmp > 0) box.y -= tmp;
1404
    };
1405
    this.element.style.display = "block";
1406
    Calendar.continuation_for_the_fucking_khtml_browser = function() {
1407
        var w = self.element.offsetWidth;
1408
        var h = self.element.offsetHeight;
1409
        self.element.style.display = "none";
1410
        var valign = opts.substr(0, 1);
1411
        var halign = "l";
1412
        if (opts.length > 1) {
1413
            halign = opts.substr(1, 1);
1414
        }
1415
        // vertical alignment
1416
        switch (valign) {
1417
            case "T": p.y -= h; break;
1418
            case "B": p.y += el.offsetHeight; break;
1419
            case "C": p.y += (el.offsetHeight - h) / 2; break;
1420
            case "t": p.y += el.offsetHeight - h; break;
1421
            case "b": break; // already there
1422
        }
1423
        // horizontal alignment
1424
        switch (halign) {
1425
            case "L": p.x -= w; break;
1426
            case "R": p.x += el.offsetWidth; break;
1427
            case "C": p.x += (el.offsetWidth - w) / 2; break;
1428
            case "l": p.x += el.offsetWidth - w; break;
1429
            case "r": break; // already there
1430
        }
1431
        p.width = w;
1432
        p.height = h + 40;
1433
        self.monthsCombo.style.display = "none";
1434
        fixPosition(p);
1435
        self.showAt(p.x, p.y);
1436
    };
1437
    if (Calendar.is_khtml)
1438
        setTimeout("Calendar.continuation_for_the_fucking_khtml_browser()", 10);
1439
    else
1440
        Calendar.continuation_for_the_fucking_khtml_browser();
1441
};
1442

    
1443
/** Customizes the date format. */
1444
Calendar.prototype.setDateFormat = function (str) {
1445
    this.dateFormat = str;
1446
};
1447

    
1448
/** Customizes the tooltip date format. */
1449
Calendar.prototype.setTtDateFormat = function (str) {
1450
    this.ttDateFormat = str;
1451
};
1452

    
1453
/**
1454
 *  Tries to identify the date represented in a string.  If successful it also
1455
 *  calls this.setDate which moves the calendar to the given date.
1456
 */
1457
Calendar.prototype.parseDate = function(str, fmt) {
1458
    if (!fmt)
1459
        fmt = this.dateFormat;
1460
    this.setDate(Date.parseDate(str, fmt));
1461
};
1462

    
1463
Calendar.prototype.hideShowCovered = function () {
1464
    if (!Calendar.is_ie && !Calendar.is_opera)
1465
        return;
1466
    function getVisib(obj){
1467
        var value = obj.style.visibility;
1468
        if (!value) {
1469
            if (document.defaultView && typeof (document.defaultView.getComputedStyle) == "function") { // Gecko, W3C
1470
                if (!Calendar.is_khtml)
1471
                    value = document.defaultView.
1472
                        getComputedStyle(obj, "").getPropertyValue("visibility");
1473
                else
1474
                    value = '';
1475
            } else if (obj.currentStyle) { // IE
1476
                value = obj.currentStyle.visibility;
1477
            } else
1478
                value = '';
1479
        }
1480
        return value;
1481
    };
1482

    
1483
    var tags = new Array("applet", "iframe", "select");
1484
    var el = this.element;
1485

    
1486
    var p = Calendar.getAbsolutePos(el);
1487
    var EX1 = p.x;
1488
    var EX2 = el.offsetWidth + EX1;
1489
    var EY1 = p.y;
1490
    var EY2 = el.offsetHeight + EY1;
1491

    
1492
    for (var k = tags.length; k > 0; ) {
1493
        var ar = document.getElementsByTagName(tags[--k]);
1494
        var cc = null;
1495

    
1496
        for (var i = ar.length; i > 0;) {
1497
            cc = ar[--i];
1498

    
1499
            p = Calendar.getAbsolutePos(cc);
1500
            var CX1 = p.x;
1501
            var CX2 = cc.offsetWidth + CX1;
1502
            var CY1 = p.y;
1503
            var CY2 = cc.offsetHeight + CY1;
1504

    
1505
            if (this.hidden || (CX1 > EX2) || (CX2 < EX1) || (CY1 > EY2) || (CY2 < EY1)) {
1506
                if (!cc.__msh_save_visibility) {
1507
                    cc.__msh_save_visibility = getVisib(cc);
1508
                }
1509
                cc.style.visibility = cc.__msh_save_visibility;
1510
            } else {
1511
                if (!cc.__msh_save_visibility) {
1512
                    cc.__msh_save_visibility = getVisib(cc);
1513
                }
1514
                cc.style.visibility = "hidden";
1515
            }
1516
        }
1517
    }
1518
};
1519

    
1520
/** Internal function; it displays the bar with the names of the weekday. */
1521
Calendar.prototype._displayWeekdays = function () {
1522
    var fdow = this.firstDayOfWeek;
1523
    var cell = this.firstdayname;
1524
    var weekend = Calendar._TT["WEEKEND"];
1525
    for (var i = 0; i < 7; ++i) {
1526
        cell.className = "day name";
1527
        var realday = (i + fdow) % 7;
1528
        if (i) {
1529
            cell.ttip = Calendar._TT["DAY_FIRST"].replace("%s", Calendar._DN[realday]);
1530
            cell.navtype = 100;
1531
            cell.calendar = this;
1532
            cell.fdow = realday;
1533
            Calendar._add_evs(cell);
1534
        }
1535
        if (weekend.indexOf(realday.toString()) != -1) {
1536
            Calendar.addClass(cell, "weekend");
1537
        }
1538
        cell.innerHTML = Calendar._SDN[(i + fdow) % 7];
1539
        cell = cell.nextSibling;
1540
    }
1541
};
1542

    
1543
/** Internal function.  Hides all combo boxes that might be displayed. */
1544
Calendar.prototype._hideCombos = function () {
1545
    this.monthsCombo.style.display = "none";
1546
    this.yearsCombo.style.display = "none";
1547
};
1548

    
1549
/** Internal function.  Starts dragging the element. */
1550
Calendar.prototype._dragStart = function (ev) {
1551
    if (this.dragging) {
1552
        return;
1553
    }
1554
    this.dragging = true;
1555
    var posX;
1556
    var posY;
1557
    if (Calendar.is_ie) {
1558
        posY = window.event.clientY + document.body.scrollTop;
1559
        posX = window.event.clientX + document.body.scrollLeft;
1560
    } else {
1561
        posY = ev.clientY + window.scrollY;
1562
        posX = ev.clientX + window.scrollX;
1563
    }
1564
    var st = this.element.style;
1565
    this.xOffs = posX - parseInt(st.left);
1566
    this.yOffs = posY - parseInt(st.top);
1567
    with (Calendar) {
1568
        addEvent(document, "mousemove", calDragIt);
1569
        addEvent(document, "mouseup", calDragEnd);
1570
    }
1571
};
1572

    
1573
// BEGIN: DATE OBJECT PATCHES
1574

    
1575
/** Adds the number of days array to the Date object. */
1576
Date._MD = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
1577

    
1578
/** Constants used for time computations */
1579
Date.SECOND = 1000 /* milliseconds */;
1580
Date.MINUTE = 60 * Date.SECOND;
1581
Date.HOUR   = 60 * Date.MINUTE;
1582
Date.DAY    = 24 * Date.HOUR;
1583
Date.WEEK   =  7 * Date.DAY;
1584

    
1585
Date.parseDate = function(str, fmt) {
1586
    var today = new Date();
1587
    var y = 0;
1588
    var m = -1;
1589
    var d = 0;
1590
    var a = str.split(/\W+/);
1591
    var b = fmt.match(/%./g);
1592
    var i = 0, j = 0;
1593
    var hr = 0;
1594
    var min = 0;
1595
    for (i = 0; i < a.length; ++i) {
1596
        if (!a[i])
1597
            continue;
1598
        switch (b[i]) {
1599
            case "%d":
1600
            case "%e":
1601
            d = parseInt(a[i], 10);
1602
            break;
1603

    
1604
            case "%m":
1605
            m = parseInt(a[i], 10) - 1;
1606
            break;
1607

    
1608
            case "%Y":
1609
            case "%y":
1610
            y = parseInt(a[i], 10);
1611
            (y < 100) && (y += (y > 29) ? 1900 : 2000);
1612
            break;
1613

    
1614
            case "%b":
1615
            case "%B":
1616
            for (j = 0; j < 12; ++j) {
1617
                if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { m = j; break; }
1618
            }
1619
            break;
1620

    
1621
            case "%H":
1622
            case "%I":
1623
            case "%k":
1624
            case "%l":
1625
            hr = parseInt(a[i], 10);
1626
            break;
1627

    
1628
            case "%P":
1629
            case "%p":
1630
            if (/pm/i.test(a[i]) && hr < 12)
1631
                hr += 12;
1632
            else if (/am/i.test(a[i]) && hr >= 12)
1633
                hr -= 12;
1634
            break;
1635

    
1636
            case "%M":
1637
            min = parseInt(a[i], 10);
1638
            break;
1639
        }
1640
    }
1641
    if (isNaN(y)) y = today.getFullYear();
1642
    if (isNaN(m)) m = today.getMonth();
1643
    if (isNaN(d)) d = today.getDate();
1644
    if (isNaN(hr)) hr = today.getHours();
1645
    if (isNaN(min)) min = today.getMinutes();
1646
    if (y != 0 && m != -1 && d != 0)
1647
        return new Date(y, m, d, hr, min, 0);
1648
    y = 0; m = -1; d = 0;
1649
    for (i = 0; i < a.length; ++i) {
1650
        if (a[i].search(/[a-zA-Z]+/) != -1) {
1651
            var t = -1;
1652
            for (j = 0; j < 12; ++j) {
1653
                if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { t = j; break; }
1654
            }
1655
            if (t != -1) {
1656
                if (m != -1) {
1657
                    d = m+1;
1658
                }
1659
                m = t;
1660
            }
1661
        } else if (parseInt(a[i], 10) <= 12 && m == -1) {
1662
            m = a[i]-1;
1663
        } else if (parseInt(a[i], 10) > 31 && y == 0) {
1664
            y = parseInt(a[i], 10);
1665
            (y < 100) && (y += (y > 29) ? 1900 : 2000);
1666
        } else if (d == 0) {
1667
            d = a[i];
1668
        }
1669
    }
1670
    if (y == 0)
1671
        y = today.getFullYear();
1672
    if (m != -1 && d != 0)
1673
        return new Date(y, m, d, hr, min, 0);
1674
    return today;
1675
};
1676

    
1677
/** Returns the number of days in the current month */
1678
Date.prototype.getMonthDays = function(month) {
1679
    var year = this.getFullYear();
1680
    if (typeof month == "undefined") {
1681
        month = this.getMonth();
1682
    }
1683
    if (((0 == (year%4)) && ( (0 != (year%100)) || (0 == (year%400)))) && month == 1) {
1684
        return 29;
1685
    } else {
1686
        return Date._MD[month];
1687
    }
1688
};
1689

    
1690
/** Returns the number of day in the year. */
1691
Date.prototype.getDayOfYear = function() {
1692
    var now = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
1693
    var then = new Date(this.getFullYear(), 0, 0, 0, 0, 0);
1694
    var time = now - then;
1695
    return Math.floor(time / Date.DAY);
1696
};
1697

    
1698
/** Returns the number of the week in year, as defined in ISO 8601. */
1699
Date.prototype.getWeekNumber = function() {
1700
    var d = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
1701
    var DoW = d.getDay();
1702
    d.setDate(d.getDate() - (DoW + 6) % 7 + 3); // Nearest Thu
1703
    var ms = d.valueOf(); // GMT
1704
    d.setMonth(0);
1705
    d.setDate(4); // Thu in Week 1
1706
    return Math.round((ms - d.valueOf()) / (7 * 864e5)) + 1;
1707
};
1708

    
1709
/** Checks date and time equality */
1710
Date.prototype.equalsTo = function(date) {
1711
    return ((this.getFullYear() == date.getFullYear()) &&
1712
        (this.getMonth() == date.getMonth()) &&
1713
        (this.getDate() == date.getDate()) &&
1714
        (this.getHours() == date.getHours()) &&
1715
        (this.getMinutes() == date.getMinutes()));
1716
};
1717

    
1718
/** Set only the year, month, date parts (keep existing time) */
1719
Date.prototype.setDateOnly = function(date) {
1720
    var tmp = new Date(date);
1721
    this.setDate(1);
1722
    this.setFullYear(tmp.getFullYear());
1723
    this.setMonth(tmp.getMonth());
1724
    this.setDate(tmp.getDate());
1725
};
1726

    
1727
/** Prints the date in a string according to the given format. */
1728
Date.prototype.print = function (str) {
1729
    var m = this.getMonth();
1730
    var d = this.getDate();
1731
    var y = this.getFullYear();
1732
    var wn = this.getWeekNumber();
1733
    var w = this.getDay();
1734
    var s = {};
1735
    var hr = this.getHours();
1736
    var pm = (hr >= 12);
1737
    var ir = (pm) ? (hr - 12) : hr;
1738
    var dy = this.getDayOfYear();
1739
    if (ir == 0)
1740
        ir = 12;
1741
    var min = this.getMinutes();
1742
    var sec = this.getSeconds();
1743
    s["%a"] = Calendar._SDN[w]; // abbreviated weekday name [FIXME: I18N]
1744
    s["%A"] = Calendar._DN[w]; // full weekday name
1745
    s["%b"] = Calendar._SMN[m]; // abbreviated month name [FIXME: I18N]
1746
    s["%B"] = Calendar._MN[m]; // full month name
1747
    // FIXME: %c : preferred date and time representation for the current locale
1748
    s["%C"] = 1 + Math.floor(y / 100); // the century number
1749
    s["%d"] = (d < 10) ? ("0" + d) : d; // the day of the month (range 01 to 31)
1750
    s["%e"] = d; // the day of the month (range 1 to 31)
1751
    // FIXME: %D : american date style: %m/%d/%y
1752
    // FIXME: %E, %F, %G, %g, %h (man strftime)
1753
    s["%H"] = (hr < 10) ? ("0" + hr) : hr; // hour, range 00 to 23 (24h format)
1754
    s["%I"] = (ir < 10) ? ("0" + ir) : ir; // hour, range 01 to 12 (12h format)
1755
    s["%j"] = (dy < 100) ? ((dy < 10) ? ("00" + dy) : ("0" + dy)) : dy; // day of the year (range 001 to 366)
1756
    s["%k"] = hr;        // hour, range 0 to 23 (24h format)
1757
    s["%l"] = ir;        // hour, range 1 to 12 (12h format)
1758
    s["%m"] = (m < 9) ? ("0" + (1+m)) : (1+m); // month, range 01 to 12
1759
    s["%M"] = (min < 10) ? ("0" + min) : min; // minute, range 00 to 59
1760
    s["%n"] = "\n";        // a newline character
1761
    s["%p"] = pm ? "PM" : "AM";
1762
    s["%P"] = pm ? "pm" : "am";
1763
    // FIXME: %r : the time in am/pm notation %I:%M:%S %p
1764
    // FIXME: %R : the time in 24-hour notation %H:%M
1765
    s["%s"] = Math.floor(this.getTime() / 1000);
1766
    s["%S"] = (sec < 10) ? ("0" + sec) : sec; // seconds, range 00 to 59
1767
    s["%t"] = "\t";        // a tab character
1768
    // FIXME: %T : the time in 24-hour notation (%H:%M:%S)
1769
    s["%U"] = s["%W"] = s["%V"] = (wn < 10) ? ("0" + wn) : wn;
1770
    s["%u"] = w + 1;    // the day of the week (range 1 to 7, 1 = MON)
1771
    s["%w"] = w;        // the day of the week (range 0 to 6, 0 = SUN)
1772
    // FIXME: %x : preferred date representation for the current locale without the time
1773
    // FIXME: %X : preferred time representation for the current locale without the date
1774
    s["%y"] = ('' + y).substr(2, 2); // year without the century (range 00 to 99)
1775
    s["%Y"] = y;        // year with the century
1776
    s["%%"] = "%";        // a literal '%' character
1777

    
1778
    var re = /%./g;
1779
    if (!Calendar.is_ie5 && !Calendar.is_khtml)
1780
        return str.replace(re, function (par) { return s[par] || par; });
1781

    
1782
    var a = str.match(re);
1783
    for (var i = 0; i < a.length; i++) {
1784
        var tmp = s[a[i]];
1785
        if (tmp) {
1786
            re = new RegExp(a[i], 'g');
1787
            str = str.replace(re, tmp);
1788
        }
1789
    }
1790

    
1791
    return str;
1792
};
1793

    
1794
Date.prototype.__msh_oldSetFullYear = Date.prototype.setFullYear;
1795
Date.prototype.setFullYear = function(y) {
1796
    var d = new Date(this);
1797
    d.__msh_oldSetFullYear(y);
1798
    if (d.getMonth() != this.getMonth())
1799
        this.setDate(28);
1800
    this.__msh_oldSetFullYear(y);
1801
};
1802

    
1803
// END: DATE OBJECT PATCHES
1804

    
1805

    
1806
// global object that remembers the calendar
1807
window._dynarch_popupCalendar = null;
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