Roo/bootstrap/DateField.js
[roojs1] / Roo / bootstrap / DateField.js
1 /*
2  * - LGPL
3  *
4  * DateField
5  * 
6  */
7
8 /**
9  * @class Roo.bootstrap.DateField
10  * @extends Roo.bootstrap.Input
11  * Bootstrap DateField class
12  * @cfg {Number} weekStart default 0
13  * @cfg {String} viewMode default empty, (months|years)
14  * @cfg {String} minViewMode default empty, (months|years)
15  * @cfg {Number} startDate default -Infinity
16  * @cfg {Number} endDate default Infinity
17  * @cfg {Boolean} todayHighlight default false
18  * @cfg {Boolean} todayBtn default false
19  * @cfg {Boolean} calendarWeeks default false
20  * @cfg {Object} daysOfWeekDisabled default empty
21  * @cfg {Boolean} singleMode default false (true | false)
22  * 
23  * @cfg {Boolean} keyboardNavigation default true
24  * @cfg {String} language default en
25  * 
26  * @constructor
27  * Create a new DateField
28  * @param {Object} config The config object
29  */
30
31 Roo.bootstrap.DateField = function(config){
32     Roo.bootstrap.DateField.superclass.constructor.call(this, config);
33      this.addEvents({
34             /**
35              * @event show
36              * Fires when this field show.
37              * @param {Roo.bootstrap.DateField} this
38              * @param {Mixed} date The date value
39              */
40             show : true,
41             /**
42              * @event show
43              * Fires when this field hide.
44              * @param {Roo.bootstrap.DateField} this
45              * @param {Mixed} date The date value
46              */
47             hide : true,
48             /**
49              * @event select
50              * Fires when select a date.
51              * @param {Roo.bootstrap.DateField} this
52              * @param {Mixed} date The date value
53              */
54             select : true
55         });
56 };
57
58 Roo.extend(Roo.bootstrap.DateField, Roo.bootstrap.Input,  {
59     
60     /**
61      * @cfg {String} format
62      * The default date format string which can be overriden for localization support.  The format must be
63      * valid according to {@link Date#parseDate} (defaults to 'm/d/y').
64      */
65     format : "m/d/y",
66     /**
67      * @cfg {String} altFormats
68      * Multiple date formats separated by "|" to try when parsing a user input value and it doesn't match the defined
69      * format (defaults to 'm/d/Y|m-d-y|m-d-Y|m/d|m-d|d').
70      */
71     altFormats : "m/d/Y|m-d-y|m-d-Y|m/d|m-d|md|mdy|mdY|d",
72     
73     weekStart : 0,
74     
75     viewMode : '',
76     
77     minViewMode : '',
78     
79     todayHighlight : false,
80     
81     todayBtn: false,
82     
83     language: 'en',
84     
85     keyboardNavigation: true,
86     
87     calendarWeeks: false,
88     
89     startDate: -Infinity,
90     
91     endDate: Infinity,
92     
93     daysOfWeekDisabled: [],
94     
95     _events: [],
96     
97     singleMode : false,
98     
99     UTCDate: function()
100     {
101         return new Date(Date.UTC.apply(Date, arguments));
102     },
103     
104     UTCToday: function()
105     {
106         var today = new Date();
107         return this.UTCDate(today.getUTCFullYear(), today.getUTCMonth(), today.getUTCDate());
108     },
109     
110     getDate: function() {
111             var d = this.getUTCDate();
112             return new Date(d.getTime() + (d.getTimezoneOffset()*60000));
113     },
114     
115     getUTCDate: function() {
116             return this.date;
117     },
118     
119     setDate: function(d) {
120             this.setUTCDate(new Date(d.getTime() - (d.getTimezoneOffset()*60000)));
121     },
122     
123     setUTCDate: function(d) {
124             this.date = d;
125             this.setValue(this.formatDate(this.date));
126     },
127         
128     onRender: function(ct, position)
129     {
130         
131         Roo.bootstrap.DateField.superclass.onRender.call(this, ct, position);
132         
133         this.language = this.language || 'en';
134         this.language = this.language in Roo.bootstrap.DateField.dates ? this.language : this.language.split('-')[0];
135         this.language = this.language in Roo.bootstrap.DateField.dates ? this.language : "en";
136         
137         this.isRTL = Roo.bootstrap.DateField.dates[this.language].rtl || false;
138         this.format = this.format || 'm/d/y';
139         this.isInline = false;
140         this.isInput = true;
141         this.component = this.el.select('.add-on', true).first() || false;
142         this.component = (this.component && this.component.length === 0) ? false : this.component;
143         this.hasInput = this.component && this.inputEL().length;
144         
145         if (typeof(this.minViewMode === 'string')) {
146             switch (this.minViewMode) {
147                 case 'months':
148                     this.minViewMode = 1;
149                     break;
150                 case 'years':
151                     this.minViewMode = 2;
152                     break;
153                 default:
154                     this.minViewMode = 0;
155                     break;
156             }
157         }
158         
159         if (typeof(this.viewMode === 'string')) {
160             switch (this.viewMode) {
161                 case 'months':
162                     this.viewMode = 1;
163                     break;
164                 case 'years':
165                     this.viewMode = 2;
166                     break;
167                 default:
168                     this.viewMode = 0;
169                     break;
170             }
171         }
172                 
173         this.pickerEl = Roo.get(document.body).createChild(Roo.bootstrap.DateField.template);
174         
175 //        this.el.select('>.input-group', true).first().createChild(Roo.bootstrap.DateField.template);
176         
177         this.picker().setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
178         
179         this.picker().on('mousedown', this.onMousedown, this);
180         this.picker().on('click', this.onClick, this);
181         
182         this.picker().addClass('datepicker-dropdown');
183         
184         this.startViewMode = this.viewMode;
185         
186         if(this.singleMode){
187             Roo.each(this.picker().select('thead > tr > th', true).elements, function(v){
188                 v.setVisibilityMode(Roo.Element.DISPLAY)
189                 v.hide();
190             })
191             
192             Roo.each(this.picker().select('tbody > tr > td', true).elements, function(v){
193                 v.setStyle('width', '189px');
194             });
195         }
196         
197         Roo.each(this.picker().select('tfoot th.today', true).elements, function(v){
198             if(!this.calendarWeeks){
199                 v.remove();
200                 return;
201             };
202             
203             v.dom.innerHTML = Roo.bootstrap.DateField.dates[this.language].today
204             v.attr('colspan', function(i, val){
205                 return parseInt(val) + 1;
206             });
207         })
208                         
209         
210         this.weekEnd = this.weekStart === 0 ? 6 : this.weekStart - 1;
211         
212         this.setStartDate(this.startDate);
213         this.setEndDate(this.endDate);
214         
215         this.setDaysOfWeekDisabled(this.daysOfWeekDisabled);
216         
217         this.fillDow();
218         this.fillMonths();
219         this.update();
220         this.showMode();
221         
222         if(this.isInline) {
223             this.show();
224         }
225     },
226     
227     picker : function()
228     {
229         return this.pickerEl;
230 //        return this.el.select('.datepicker', true).first();
231     },
232     
233     fillDow: function()
234     {
235         var dowCnt = this.weekStart;
236         
237         var dow = {
238             tag: 'tr',
239             cn: [
240                 
241             ]
242         };
243         
244         if(this.calendarWeeks){
245             dow.cn.push({
246                 tag: 'th',
247                 cls: 'cw',
248                 html: ' '
249             })
250         }
251         
252         while (dowCnt < this.weekStart + 7) {
253             dow.cn.push({
254                 tag: 'th',
255                 cls: 'dow',
256                 html: Roo.bootstrap.DateField.dates[this.language].daysMin[(dowCnt++)%7]
257             });
258         }
259         
260         this.picker().select('>.datepicker-days thead', true).first().createChild(dow);
261     },
262     
263     fillMonths: function()
264     {    
265         var i = 0
266         var months = this.picker().select('>.datepicker-months td', true).first();
267         
268         months.dom.innerHTML = '';
269         
270         while (i < 12) {
271             var month = {
272                 tag: 'span',
273                 cls: 'month',
274                 html: Roo.bootstrap.DateField.dates[this.language].monthsShort[i++]
275             }
276             
277             months.createChild(month);
278         }
279         
280     },
281     
282     update: function()
283     {
284         this.date = (typeof(this.date) === 'undefined' || ((typeof(this.date) === 'string') && !this.date.length)) ? this.UTCToday() : (typeof(this.date) === 'string') ? this.parseDate(this.date) : this.date;
285         
286         if (this.date < this.startDate) {
287             this.viewDate = new Date(this.startDate);
288         } else if (this.date > this.endDate) {
289             this.viewDate = new Date(this.endDate);
290         } else {
291             this.viewDate = new Date(this.date);
292         }
293         
294         this.fill();
295     },
296     
297     fill: function() 
298     {
299         var d = new Date(this.viewDate),
300                 year = d.getUTCFullYear(),
301                 month = d.getUTCMonth(),
302                 startYear = this.startDate !== -Infinity ? this.startDate.getUTCFullYear() : -Infinity,
303                 startMonth = this.startDate !== -Infinity ? this.startDate.getUTCMonth() : -Infinity,
304                 endYear = this.endDate !== Infinity ? this.endDate.getUTCFullYear() : Infinity,
305                 endMonth = this.endDate !== Infinity ? this.endDate.getUTCMonth() : Infinity,
306                 currentDate = this.date && this.date.valueOf(),
307                 today = this.UTCToday();
308         
309         this.picker().select('>.datepicker-days thead th.switch', true).first().dom.innerHTML = Roo.bootstrap.DateField.dates[this.language].months[month]+' '+year;
310         
311 //        this.picker().select('>tfoot th.today', true).first().dom.innerHTML = Roo.bootstrap.DateField.dates[this.language].today;
312         
313 //        this.picker.select('>tfoot th.today').
314 //                                              .text(dates[this.language].today)
315 //                                              .toggle(this.todayBtn !== false);
316     
317         this.updateNavArrows();
318         this.fillMonths();
319                                                 
320         var prevMonth = this.UTCDate(year, month-1, 28,0,0,0,0),
321         
322         day = prevMonth.getDaysInMonth(prevMonth.getUTCFullYear(), prevMonth.getUTCMonth());
323          
324         prevMonth.setUTCDate(day);
325         
326         prevMonth.setUTCDate(day - (prevMonth.getUTCDay() - this.weekStart + 7)%7);
327         
328         var nextMonth = new Date(prevMonth);
329         
330         nextMonth.setUTCDate(nextMonth.getUTCDate() + 42);
331         
332         nextMonth = nextMonth.valueOf();
333         
334         var fillMonths = false;
335         
336         this.picker().select('>.datepicker-days tbody',true).first().dom.innerHTML = '';
337         
338         while(prevMonth.valueOf() < nextMonth) {
339             var clsName = '';
340             
341             if (prevMonth.getUTCDay() === this.weekStart) {
342                 if(fillMonths){
343                     this.picker().select('>.datepicker-days tbody',true).first().createChild(fillMonths);
344                 }
345                     
346                 fillMonths = {
347                     tag: 'tr',
348                     cn: []
349                 };
350                 
351                 if(this.calendarWeeks){
352                     // ISO 8601: First week contains first thursday.
353                     // ISO also states week starts on Monday, but we can be more abstract here.
354                     var
355                     // Start of current week: based on weekstart/current date
356                     ws = new Date(+prevMonth + (this.weekStart - prevMonth.getUTCDay() - 7) % 7 * 864e5),
357                     // Thursday of this week
358                     th = new Date(+ws + (7 + 4 - ws.getUTCDay()) % 7 * 864e5),
359                     // First Thursday of year, year from thursday
360                     yth = new Date(+(yth = this.UTCDate(th.getUTCFullYear(), 0, 1)) + (7 + 4 - yth.getUTCDay())%7*864e5),
361                     // Calendar week: ms between thursdays, div ms per day, div 7 days
362                     calWeek =  (th - yth) / 864e5 / 7 + 1;
363                     
364                     fillMonths.cn.push({
365                         tag: 'td',
366                         cls: 'cw',
367                         html: calWeek
368                     });
369                 }
370             }
371             
372             if (prevMonth.getUTCFullYear() < year || (prevMonth.getUTCFullYear() == year && prevMonth.getUTCMonth() < month)) {
373                 clsName += ' old';
374             } else if (prevMonth.getUTCFullYear() > year || (prevMonth.getUTCFullYear() == year && prevMonth.getUTCMonth() > month)) {
375                 clsName += ' new';
376             }
377             if (this.todayHighlight &&
378                 prevMonth.getUTCFullYear() == today.getFullYear() &&
379                 prevMonth.getUTCMonth() == today.getMonth() &&
380                 prevMonth.getUTCDate() == today.getDate()) {
381                 clsName += ' today';
382             }
383             
384             if (currentDate && prevMonth.valueOf() === currentDate) {
385                 clsName += ' active';
386             }
387             
388             if (prevMonth.valueOf() < this.startDate || prevMonth.valueOf() > this.endDate ||
389                     this.daysOfWeekDisabled.indexOf(prevMonth.getUTCDay()) !== -1) {
390                     clsName += ' disabled';
391             }
392             
393             fillMonths.cn.push({
394                 tag: 'td',
395                 cls: 'day ' + clsName,
396                 html: prevMonth.getDate()
397             })
398             
399             prevMonth.setDate(prevMonth.getDate()+1);
400         }
401           
402         var currentYear = this.date && this.date.getUTCFullYear();
403         var currentMonth = this.date && this.date.getUTCMonth();
404         
405         this.picker().select('>.datepicker-months th.switch',true).first().dom.innerHTML = year;
406         
407         Roo.each(this.picker().select('>.datepicker-months tbody span',true).elements, function(v,k){
408             v.removeClass('active');
409             
410             if(currentYear === year && k === currentMonth){
411                 v.addClass('active');
412             }
413             
414             if (year < startYear || year > endYear || (year == startYear && k < startMonth) || (year == endYear && k > endMonth)) {
415                 v.addClass('disabled');
416             }
417             
418         });
419         
420         
421         year = parseInt(year/10, 10) * 10;
422         
423         this.picker().select('>.datepicker-years th.switch', true).first().dom.innerHTML = year + '-' + (year + 9);
424         
425         this.picker().select('>.datepicker-years tbody td',true).first().dom.innerHTML = '';
426         
427         year -= 1;
428         for (var i = -1; i < 11; i++) {
429             this.picker().select('>.datepicker-years tbody td',true).first().createChild({
430                 tag: 'span',
431                 cls: 'year' + (i === -1 || i === 10 ? ' old' : '') + (currentYear === year ? ' active' : '') + (year < startYear || year > endYear ? ' disabled' : ''),
432                 html: year
433             })
434             
435             year += 1;
436         }
437     },
438     
439     showMode: function(dir) 
440     {
441         if (dir) {
442             this.viewMode = Math.max(this.minViewMode, Math.min(2, this.viewMode + dir));
443         }
444         
445         Roo.each(this.picker().select('>div',true).elements, function(v){
446             v.setVisibilityMode(Roo.Element.DISPLAY).originalDisplay = 'block';
447             v.hide();
448         });
449         this.picker().select('>.datepicker-'+Roo.bootstrap.DateField.modes[this.viewMode].clsName, true).first().show();
450     },
451     
452     place: function()
453     {
454         if(this.isInline) return;
455         
456         this.picker().removeClass(['bottom', 'top']);
457         
458         if((Roo.lib.Dom.getViewHeight() + Roo.get(document.body).getScroll().top) - (this.inputEl().getBottom() + this.picker().getHeight()) < 0){
459             /*
460              * place to the top of element!
461              *
462              */
463             
464             this.picker().addClass('top');
465             this.picker().setTop(this.inputEl().getTop() - this.picker().getHeight()).setLeft(this.inputEl().getLeft());
466             
467             return;
468         }
469         
470         this.picker().addClass('bottom');
471         
472         this.picker().setTop(this.inputEl().getBottom()).setLeft(this.inputEl().getLeft());
473     },
474     
475     parseDate : function(value)
476     {
477         if(!value || value instanceof Date){
478             return value;
479         }
480         var v = Date.parseDate(value, this.format);
481         if (!v && (this.useIso || value.match(/^(\d{4})-0?(\d+)-0?(\d+)/))) {
482             v = Date.parseDate(value, 'Y-m-d');
483         }
484         if(!v && this.altFormats){
485             if(!this.altFormatsArray){
486                 this.altFormatsArray = this.altFormats.split("|");
487             }
488             for(var i = 0, len = this.altFormatsArray.length; i < len && !v; i++){
489                 v = Date.parseDate(value, this.altFormatsArray[i]);
490             }
491         }
492         return v;
493     },
494     
495     formatDate : function(date, fmt)
496     {   
497         return (!date || !(date instanceof Date)) ?
498         date : date.dateFormat(fmt || this.format);
499     },
500     
501     onFocus : function()
502     {
503         Roo.bootstrap.DateField.superclass.onFocus.call(this);
504         this.show();
505     },
506     
507     onBlur : function()
508     {
509         Roo.bootstrap.DateField.superclass.onBlur.call(this);
510         
511         var d = this.inputEl().getValue();
512         
513         this.setValue(d);
514                 
515         this.hide();
516     },
517     
518     show : function()
519     {
520         this.picker().show();
521         this.update();
522         this.place();
523         
524         this.fireEvent('show', this, this.date);
525     },
526     
527     hide : function()
528     {
529         if(this.isInline) return;
530         this.picker().hide();
531         this.viewMode = this.startViewMode;
532         this.showMode();
533         
534         this.fireEvent('hide', this, this.date);
535         
536     },
537     
538     onMousedown: function(e)
539     {
540         e.stopPropagation();
541         e.preventDefault();
542     },
543     
544     keyup: function(e)
545     {
546         Roo.bootstrap.DateField.superclass.keyup.call(this);
547         this.update();
548     },
549
550     setValue: function(v)
551     {
552         
553         // v can be a string or a date..
554         
555         Roo.log('set Value');
556         
557         Roo.log(this.parseDate(v));
558         
559         var d = new Date(this.parseDate(v) ).clearTime();
560         
561         if(isNaN(d.getTime())){
562             this.date = this.viewDate = '';
563             Roo.bootstrap.DateField.superclass.setValue.call(this, '');
564             return;
565         }
566         
567         v = this.formatDate(d);
568         
569         Roo.bootstrap.DateField.superclass.setValue.call(this, v);
570         
571         this.date = new Date(d.getTime() - d.getTimezoneOffset()*60000);
572      
573         this.update();
574
575         this.fireEvent('select', this, this.date);
576         
577     },
578     
579     getValue: function()
580     {
581         return this.formatDate(this.date);
582     },
583     
584     fireKey: function(e)
585     {
586         if (!this.picker().isVisible()){
587             if (e.keyCode == 27) // allow escape to hide and re-show picker
588                 this.show();
589             return;
590         }
591         
592         var dateChanged = false,
593         dir, day, month,
594         newDate, newViewDate;
595         
596         switch(e.keyCode){
597             case 27: // escape
598                 this.hide();
599                 e.preventDefault();
600                 break;
601             case 37: // left
602             case 39: // right
603                 if (!this.keyboardNavigation) break;
604                 dir = e.keyCode == 37 ? -1 : 1;
605                 
606                 if (e.ctrlKey){
607                     newDate = this.moveYear(this.date, dir);
608                     newViewDate = this.moveYear(this.viewDate, dir);
609                 } else if (e.shiftKey){
610                     newDate = this.moveMonth(this.date, dir);
611                     newViewDate = this.moveMonth(this.viewDate, dir);
612                 } else {
613                     newDate = new Date(this.date);
614                     newDate.setUTCDate(this.date.getUTCDate() + dir);
615                     newViewDate = new Date(this.viewDate);
616                     newViewDate.setUTCDate(this.viewDate.getUTCDate() + dir);
617                 }
618                 if (this.dateWithinRange(newDate)){
619                     this.date = newDate;
620                     this.viewDate = newViewDate;
621                     this.setValue(this.formatDate(this.date));
622 //                    this.update();
623                     e.preventDefault();
624                     dateChanged = true;
625                 }
626                 break;
627             case 38: // up
628             case 40: // down
629                 if (!this.keyboardNavigation) break;
630                 dir = e.keyCode == 38 ? -1 : 1;
631                 if (e.ctrlKey){
632                     newDate = this.moveYear(this.date, dir);
633                     newViewDate = this.moveYear(this.viewDate, dir);
634                 } else if (e.shiftKey){
635                     newDate = this.moveMonth(this.date, dir);
636                     newViewDate = this.moveMonth(this.viewDate, dir);
637                 } else {
638                     newDate = new Date(this.date);
639                     newDate.setUTCDate(this.date.getUTCDate() + dir * 7);
640                     newViewDate = new Date(this.viewDate);
641                     newViewDate.setUTCDate(this.viewDate.getUTCDate() + dir * 7);
642                 }
643                 if (this.dateWithinRange(newDate)){
644                     this.date = newDate;
645                     this.viewDate = newViewDate;
646                     this.setValue(this.formatDate(this.date));
647 //                    this.update();
648                     e.preventDefault();
649                     dateChanged = true;
650                 }
651                 break;
652             case 13: // enter
653                 this.setValue(this.formatDate(this.date));
654                 this.hide();
655                 e.preventDefault();
656                 break;
657             case 9: // tab
658                 this.setValue(this.formatDate(this.date));
659                 this.hide();
660                 break;
661             case 16: // shift
662             case 17: // ctrl
663             case 18: // alt
664                 break;
665             default :
666                 this.hide();
667                 
668         }
669     },
670     
671     
672     onClick: function(e) 
673     {
674         e.stopPropagation();
675         e.preventDefault();
676         
677         var target = e.getTarget();
678         
679         if(target.nodeName.toLowerCase() === 'i'){
680             target = Roo.get(target).dom.parentNode;
681         }
682         
683         var nodeName = target.nodeName;
684         var className = target.className;
685         var html = target.innerHTML;
686         //Roo.log(nodeName);
687         
688         switch(nodeName.toLowerCase()) {
689             case 'th':
690                 switch(className) {
691                     case 'switch':
692                         this.showMode(1);
693                         break;
694                     case 'prev':
695                     case 'next':
696                         var dir = Roo.bootstrap.DateField.modes[this.viewMode].navStep * (className == 'prev' ? -1 : 1);
697                         switch(this.viewMode){
698                                 case 0:
699                                         this.viewDate = this.moveMonth(this.viewDate, dir);
700                                         break;
701                                 case 1:
702                                 case 2:
703                                         this.viewDate = this.moveYear(this.viewDate, dir);
704                                         break;
705                         }
706                         this.fill();
707                         break;
708                     case 'today':
709                         var date = new Date();
710                         this.date = this.UTCDate(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0);
711 //                        this.fill()
712                         this.setValue(this.formatDate(this.date));
713                         
714                         this.hide();
715                         break;
716                 }
717                 break;
718             case 'span':
719                 if (className.indexOf('disabled') < 0) {
720                     this.viewDate.setUTCDate(1);
721                     if (className.indexOf('month') > -1) {
722                         this.viewDate.setUTCMonth(Roo.bootstrap.DateField.dates[this.language].monthsShort.indexOf(html));
723                     } else {
724                         var year = parseInt(html, 10) || 0;
725                         this.viewDate.setUTCFullYear(year);
726                         
727                     }
728                     
729                     if(this.singleMode){
730                         this.setValue(this.formatDate(this.viewDate));
731                         this.hide();
732                         return;
733                     }
734                     
735                     this.showMode(-1);
736                     this.fill();
737                 }
738                 break;
739                 
740             case 'td':
741                 //Roo.log(className);
742                 if (className.indexOf('day') > -1 && className.indexOf('disabled') < 0 ){
743                     var day = parseInt(html, 10) || 1;
744                     var year = this.viewDate.getUTCFullYear(),
745                         month = this.viewDate.getUTCMonth();
746
747                     if (className.indexOf('old') > -1) {
748                         if(month === 0 ){
749                             month = 11;
750                             year -= 1;
751                         }else{
752                             month -= 1;
753                         }
754                     } else if (className.indexOf('new') > -1) {
755                         if (month == 11) {
756                             month = 0;
757                             year += 1;
758                         } else {
759                             month += 1;
760                         }
761                     }
762                     //Roo.log([year,month,day]);
763                     this.date = this.UTCDate(year, month, day,0,0,0,0);
764                     this.viewDate = this.UTCDate(year, month, Math.min(28, day),0,0,0,0);
765 //                    this.fill();
766                     //Roo.log(this.formatDate(this.date));
767                     this.setValue(this.formatDate(this.date));
768                     this.hide();
769                 }
770                 break;
771         }
772     },
773     
774     setStartDate: function(startDate)
775     {
776         this.startDate = startDate || -Infinity;
777         if (this.startDate !== -Infinity) {
778             this.startDate = this.parseDate(this.startDate);
779         }
780         this.update();
781         this.updateNavArrows();
782     },
783
784     setEndDate: function(endDate)
785     {
786         this.endDate = endDate || Infinity;
787         if (this.endDate !== Infinity) {
788             this.endDate = this.parseDate(this.endDate);
789         }
790         this.update();
791         this.updateNavArrows();
792     },
793     
794     setDaysOfWeekDisabled: function(daysOfWeekDisabled)
795     {
796         this.daysOfWeekDisabled = daysOfWeekDisabled || [];
797         if (typeof(this.daysOfWeekDisabled) !== 'object') {
798             this.daysOfWeekDisabled = this.daysOfWeekDisabled.split(/,\s*/);
799         }
800         this.daysOfWeekDisabled = this.daysOfWeekDisabled.map(function (d) {
801             return parseInt(d, 10);
802         });
803         this.update();
804         this.updateNavArrows();
805     },
806     
807     updateNavArrows: function() 
808     {
809         if(this.singleMode){
810             return;
811         }
812         
813         var d = new Date(this.viewDate),
814         year = d.getUTCFullYear(),
815         month = d.getUTCMonth();
816         
817         Roo.each(this.picker().select('.prev', true).elements, function(v){
818             v.show();
819             switch (this.viewMode) {
820                 case 0:
821
822                     if (this.startDate !== -Infinity && year <= this.startDate.getUTCFullYear() && month <= this.startDate.getUTCMonth()) {
823                         v.hide();
824                     }
825                     break;
826                 case 1:
827                 case 2:
828                     if (this.startDate !== -Infinity && year <= this.startDate.getUTCFullYear()) {
829                         v.hide();
830                     }
831                     break;
832             }
833         });
834         
835         Roo.each(this.picker().select('.next', true).elements, function(v){
836             v.show();
837             switch (this.viewMode) {
838                 case 0:
839
840                     if (this.endDate !== Infinity && year >= this.endDate.getUTCFullYear() && month >= this.endDate.getUTCMonth()) {
841                         v.hide();
842                     }
843                     break;
844                 case 1:
845                 case 2:
846                     if (this.endDate !== Infinity && year >= this.endDate.getUTCFullYear()) {
847                         v.hide();
848                     }
849                     break;
850             }
851         })
852     },
853     
854     moveMonth: function(date, dir)
855     {
856         if (!dir) return date;
857         var new_date = new Date(date.valueOf()),
858         day = new_date.getUTCDate(),
859         month = new_date.getUTCMonth(),
860         mag = Math.abs(dir),
861         new_month, test;
862         dir = dir > 0 ? 1 : -1;
863         if (mag == 1){
864             test = dir == -1
865             // If going back one month, make sure month is not current month
866             // (eg, Mar 31 -> Feb 31 == Feb 28, not Mar 02)
867             ? function(){
868                 return new_date.getUTCMonth() == month;
869             }
870             // If going forward one month, make sure month is as expected
871             // (eg, Jan 31 -> Feb 31 == Feb 28, not Mar 02)
872             : function(){
873                 return new_date.getUTCMonth() != new_month;
874             };
875             new_month = month + dir;
876             new_date.setUTCMonth(new_month);
877             // Dec -> Jan (12) or Jan -> Dec (-1) -- limit expected date to 0-11
878             if (new_month < 0 || new_month > 11)
879                 new_month = (new_month + 12) % 12;
880         } else {
881             // For magnitudes >1, move one month at a time...
882             for (var i=0; i<mag; i++)
883                 // ...which might decrease the day (eg, Jan 31 to Feb 28, etc)...
884                 new_date = this.moveMonth(new_date, dir);
885             // ...then reset the day, keeping it in the new month
886             new_month = new_date.getUTCMonth();
887             new_date.setUTCDate(day);
888             test = function(){
889                 return new_month != new_date.getUTCMonth();
890             };
891         }
892         // Common date-resetting loop -- if date is beyond end of month, make it
893         // end of month
894         while (test()){
895             new_date.setUTCDate(--day);
896             new_date.setUTCMonth(new_month);
897         }
898         return new_date;
899     },
900
901     moveYear: function(date, dir)
902     {
903         return this.moveMonth(date, dir*12);
904     },
905
906     dateWithinRange: function(date)
907     {
908         return date >= this.startDate && date <= this.endDate;
909     },
910
911     
912     remove: function() 
913     {
914         this.picker().remove();
915     }
916    
917 });
918
919 Roo.apply(Roo.bootstrap.DateField,  {
920     
921     head : {
922         tag: 'thead',
923         cn: [
924         {
925             tag: 'tr',
926             cn: [
927             {
928                 tag: 'th',
929                 cls: 'prev',
930                 html: '<i class="fa fa-arrow-left"/>'
931             },
932             {
933                 tag: 'th',
934                 cls: 'switch',
935                 colspan: '5'
936             },
937             {
938                 tag: 'th',
939                 cls: 'next',
940                 html: '<i class="fa fa-arrow-right"/>'
941             }
942
943             ]
944         }
945         ]
946     },
947     
948     content : {
949         tag: 'tbody',
950         cn: [
951         {
952             tag: 'tr',
953             cn: [
954             {
955                 tag: 'td',
956                 colspan: '7'
957             }
958             ]
959         }
960         ]
961     },
962     
963     footer : {
964         tag: 'tfoot',
965         cn: [
966         {
967             tag: 'tr',
968             cn: [
969             {
970                 tag: 'th',
971                 colspan: '7',
972                 cls: 'today'
973             }
974                     
975             ]
976         }
977         ]
978     },
979     
980     dates:{
981         en: {
982             days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"],
983             daysShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
984             daysMin: ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa", "Su"],
985             months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
986             monthsShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
987             today: "Today"
988         }
989     },
990     
991     modes: [
992     {
993         clsName: 'days',
994         navFnc: 'Month',
995         navStep: 1
996     },
997     {
998         clsName: 'months',
999         navFnc: 'FullYear',
1000         navStep: 1
1001     },
1002     {
1003         clsName: 'years',
1004         navFnc: 'FullYear',
1005         navStep: 10
1006     }]
1007 });
1008
1009 Roo.apply(Roo.bootstrap.DateField,  {
1010   
1011     template : {
1012         tag: 'div',
1013         cls: 'datepicker dropdown-menu roo-dynamic',
1014         cn: [
1015         {
1016             tag: 'div',
1017             cls: 'datepicker-days',
1018             cn: [
1019             {
1020                 tag: 'table',
1021                 cls: 'table-condensed',
1022                 cn:[
1023                 Roo.bootstrap.DateField.head,
1024                 {
1025                     tag: 'tbody'
1026                 },
1027                 Roo.bootstrap.DateField.footer
1028                 ]
1029             }
1030             ]
1031         },
1032         {
1033             tag: 'div',
1034             cls: 'datepicker-months',
1035             cn: [
1036             {
1037                 tag: 'table',
1038                 cls: 'table-condensed',
1039                 cn:[
1040                 Roo.bootstrap.DateField.head,
1041                 Roo.bootstrap.DateField.content,
1042                 Roo.bootstrap.DateField.footer
1043                 ]
1044             }
1045             ]
1046         },
1047         {
1048             tag: 'div',
1049             cls: 'datepicker-years',
1050             cn: [
1051             {
1052                 tag: 'table',
1053                 cls: 'table-condensed',
1054                 cn:[
1055                 Roo.bootstrap.DateField.head,
1056                 Roo.bootstrap.DateField.content,
1057                 Roo.bootstrap.DateField.footer
1058                 ]
1059             }
1060             ]
1061         }
1062         ]
1063     }
1064 });
1065
1066  
1067
1068