/**
* Date picker
* Author: Stefan Petre www.eyecon.ro
* Uses JavaScript Micro-Templating by John Resig - http://ejohn.org/
*/
// JSLint validation
/*global document, formatDate, hide, jQuery, prepareDate, tmpl*/
(function ($) {
var DatePicker = function () {
var iPickerCount = 0;
var tpl = {
//wrapper: '',
wrapper: '',
head: [
'',
'',
'',
'',
'| <%=prev%> | ',
' | ',
'<%=next%> | ',
' ',
'',
'| <%=day1%> | ',
'<%=day2%> | ',
'<%=day3%> | ',
'<%=day4%> | ',
'<%=day5%> | ',
'<%=day6%> | ',
'<%=day7%> | ',
' ',
'',
' | '
],
days: [
'',
'',
'| <%=weeks[0].days[0].text%> | ',
'<%=weeks[0].days[1].text%> | ',
'<%=weeks[0].days[2].text%> | ',
'<%=weeks[0].days[3].text%> | ',
'<%=weeks[0].days[4].text%> | ',
'<%=weeks[0].days[5].text%> | ',
'<%=weeks[0].days[6].text%> | ',
'
',
'',
'| <%=weeks[1].days[0].text%> | ',
'<%=weeks[1].days[1].text%> | ',
'<%=weeks[1].days[2].text%> | ',
'<%=weeks[1].days[3].text%> | ',
'<%=weeks[1].days[4].text%> | ',
'<%=weeks[1].days[5].text%> | ',
'<%=weeks[1].days[6].text%> | ',
'
',
'',
'| <%=weeks[2].days[0].text%> | ',
'<%=weeks[2].days[1].text%> | ',
'<%=weeks[2].days[2].text%> | ',
'<%=weeks[2].days[3].text%> | ',
'<%=weeks[2].days[4].text%> | ',
'<%=weeks[2].days[5].text%> | ',
'<%=weeks[2].days[6].text%> | ',
'
',
'',
'| <%=weeks[3].days[0].text%> | ',
'<%=weeks[3].days[1].text%> | ',
'<%=weeks[3].days[2].text%> | ',
'<%=weeks[3].days[3].text%> | ',
'<%=weeks[3].days[4].text%> | ',
'<%=weeks[3].days[5].text%> | ',
'<%=weeks[3].days[6].text%> | ',
'
',
'',
'| <%=weeks[4].days[0].text%> | ',
'<%=weeks[4].days[1].text%> | ',
'<%=weeks[4].days[2].text%> | ',
'<%=weeks[4].days[3].text%> | ',
'<%=weeks[4].days[4].text%> | ',
'<%=weeks[4].days[5].text%> | ',
'<%=weeks[4].days[6].text%> | ',
'
',
'',
'| <%=weeks[5].days[0].text%> | ',
'<%=weeks[5].days[1].text%> | ',
'<%=weeks[5].days[2].text%> | ',
'<%=weeks[5].days[3].text%> | ',
'<%=weeks[5].days[4].text%> | ',
'<%=weeks[5].days[5].text%> | ',
'<%=weeks[5].days[6].text%> | ',
'
',
''
],
months: [
'',
'',
'| <%=months[0].text%> | ',
'<%=months[1].text%> | ',
'<%=months[2].text%> | ',
'<%=months[3].text%> | ',
'
',
'',
'| <%=months[4].text%> | ',
'<%=months[5].text%> | ',
'<%=months[6].text%> | ',
'<%=months[7].text%> | ',
'
',
'',
'| <%=months[8].text%> | ',
'<%=months[9].text%> | ',
'<%=months[10].text%> | ',
'<%=months[11].text%> | ',
'
',
''
]
},
defaults = {
prev: '
',
next: '
',
format: 'Y-m-d',
onRender: function(){return {};},
onChange: function(){return true;},
onShow: function(){return true;},
onBeforeShow: function(){return true;},
onHide: function(){return true;},
locale: {
days: ["Sonntag", "Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag", "Sonntag"],
daysShort: ["So", "Mo", "Di", "Mi", "Do", "Fr", "Sa", "So"],
months: ["Januar", "Februar", "März", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Dezember"],
monthsShort: ["Jan.", "Feb.", "März", "Apr.", "Mai", "Juni", "Juli", "Aug.", "Sep.", "Okt.", "Nov.", "Dez."]
}
},
fill = function(el) {
var options = $(el).data('datepicker');
var cal = $(el);
var date, data, dow, month, cnt = 0, week, days, indic, indic2, html, tblCal;
cal.find('td>table tbody').remove();
date = new Date(options.current);
tblCal = cal.find('table').eq(1);
if (tblCal[0].className == 'datepickerViewDays') {
dow = formatDate(date, 'B Y');
} else {
dow = date.getFullYear();
}
tblCal.find('thead tr:first th:eq(1) span').html(dow);
date.setDate(1);
data = {weeks:[]};
month = date.getMonth();
dow = (date.getDay() - 1) % 7;
date.addDays(-(dow + (dow < 0 ? 7 : 0)));
week = -1;
cnt = 0;
while (cnt < 42) {
indic = parseInt(cnt/7,10);
indic2 = cnt%7;
if (!data.weeks[indic]) {
data.weeks[indic] = {
days: []
};
}
data.weeks[indic].days[indic2] = {
text: date.getDate(),
classname: []
};
if (month != date.getMonth()) {
data.weeks[indic].days[indic2].classname.push('datepickerNotInMonth');
}
if (date.getDay() === 0) {
data.weeks[indic].days[indic2].classname.push('datepickerSunday');
}
if (date.getDay() == 6) {
data.weeks[indic].days[indic2].classname.push('datepickerSaturday');
}
var fromUser = options.onRender(date);
var val = date.valueOf();
if (fromUser.selected || options.date == val || $.inArray(val, options.date) > -1) {
data.weeks[indic].days[indic2].classname.push('datepickerSelected');
}
if (fromUser.disabled) {
data.weeks[indic].days[indic2].classname.push('datepickerDisabled');
}
if (fromUser.className) {
data.weeks[indic].days[indic2].classname.push(fromUser.className);
}
data.weeks[indic].days[indic2].classname = data.weeks[indic].days[indic2].classname.join(' ');
cnt++;
date.addDays(1);
}
html = tmpl(tpl.days.join(''), data);
data = {months: []};
for (cnt = 0; cnt < 12; cnt++) {
if (!data.months[cnt]) {
data.months[cnt] = {};
}
data.months[cnt].text = options.locale.monthsShort[cnt];
if ((cnt < Date.today().getMonth() && date.getYear() == (date.getMonth() === 0 ? Date.today().getYear() + 1 : Date.today().getYear()))
|| date.getYear() < (date.getMonth() === 0 ? Date.today().getYear() + 1 : Date.today().getYear())) {
//data.months[cnt].classname = "datepickerDisabled";
} else {
data.months[cnt].classname = "";
}
}
html = tmpl(tpl.months.join(''), data) + html;
tblCal.append(html);
},
parseDate = function (date, format) {
if (date.constructor == Date) {
return new Date(date);
}
var parts = date.split(/\W+/);
var against = format.split(/\W+/), d, m, y, h, min, now = new Date();
for (var i = 0; i < parts.length; i++) {
switch (against[i]) {
case 'd':
case 'e':
d = parseInt(parts[i],10);
break;
case 'm':
m = parseInt(parts[i], 10) - 1;
break;
case 'Y':
case 'y':
y = parseInt(parts[i], 10);
y += y > 100 ? 0 : (y < 29 ? 2000 : 1900);
break;
case 'H':
case 'I':
case 'k':
case 'l':
h = parseInt(parts[i], 10);
break;
case 'P':
case 'p':
if (/pm/i.test(parts[i]) && h < 12) {
h += 12;
} else if (/am/i.test(parts[i]) && h >= 12) {
h -= 12;
}
break;
case 'M':
min = parseInt(parts[i], 10);
break;
}
}
return new Date(
y||now.getFullYear(),
m||now.getMonth(),
d||now.getDate(),
h||now.getHours(),
min||now.getMinutes(), 0);
},
formatDate = function(date, format) {
var m = date.getMonth();
var d = date.getDate();
var y = date.getFullYear();
var w = date.getDay();
var s = {};
var hr = date.getHours();
var min = date.getMinutes();
var sec = date.getSeconds();
var parts = format.split(''), part;
for (var i = 0; i < parts.length; i++) {
part = parts[i];
switch (parts[i]) {
case 'a':
part = date.getDayName();
break;
case 'A':
part = date.getDayName(true);
break;
case 'b':
part = date.getMonthName();
break;
case 'B':
part = date.getMonthName(true);
break;
case 'C':
part = 1 + Math.floor(y / 100);
break;
case 'd':
part = (d < 10) ? ("0" + d) : d;
break;
case 'e':
part = d;
break;
case 'H':
part = (hr < 10) ? ("0" + hr) : hr;
break;
case 'k':
part = hr;
break;
case 'm':
part = (m < 9) ? ("0" + (1+m)) : (1+m);
break;
case 'M':
part = (min < 10) ? ("0" + min) : min;
break;
case 's':
part = Math.floor(date.getTime() / 1000);
break;
case 'S':
part = (sec < 10) ? ("0" + sec) : sec;
break;
case 'u':
part = w + 1;
break;
case 'w':
part = w;
break;
case 'Y':
part = y;
break;
}
parts[i] = part;
}
return parts.join('');
},
extendDate = function(options) {
if (Date.prototype.tempDate) {
return;
}
Date.prototype.tempDate = null;
Date.prototype.months = options.months;
Date.prototype.monthsShort = options.monthsShort;
Date.prototype.days = options.days;
Date.prototype.daysShort = options.daysShort;
Date.prototype.getMonthName = function(fullName) {
return this[fullName ? 'months' : 'monthsShort'][this.getMonth()];
};
Date.prototype.getDayName = function(fullName) {
return this[fullName ? 'days' : 'daysShort'][this.getDay()];
};
Date.prototype.addDays = function (n) {
this.setDate(this.getDate() + n);
this.tempDate = this.getDate();
};
Date.prototype.addMonths = function (n) {
if (this.tempDate === null) {
this.tempDate = this.getDate();
}
this.setDate(1);
this.setMonth(this.getMonth() + n);
this.setDate(Math.min(this.tempDate, this.getMaxDays()));
};
Date.prototype.addYears = function (n) {
if (this.tempDate === null) {
this.tempDate = this.getDate();
}
this.setDate(1);
this.setFullYear(this.getFullYear() + n);
this.setDate(Math.min(this.tempDate, this.getMaxDays()));
};
Date.prototype.getMaxDays = function() {
var tmpDate = new Date(Date.parse(this)),
d = 28, m = tmpDate.getMonth();
while (tmpDate.getMonth() == m) {
d++;
tmpDate.setDate(d);
}
return d - 1;
};
},
click = function(ev) {
if ($(ev.target).is('img')) {
ev.target = ev.target.parentNode;
}
if ($(ev.target).is('span')) {
ev.target = ev.target.parentNode;
}
var el = $(ev.target);
if (el.is('a')) {
ev.target.blur();
if (el.hasClass('datepickerDisabled')) {
return false;
}
var options = $(this).data('datepicker');
var parentEl = el.parent();
var tblEl = parentEl.parent().parent().parent();
var tblIndex = $('table', this).index(tblEl.get(0)) - 1;
var tmp = new Date(options.current);
var changed = false;
var fillIt = false;
if (parentEl.is('th')) {
if (parentEl.hasClass('datepickerMonth')) {
tmp.addMonths(tblIndex - 0);
switch (tblEl.get(0).className) {
case 'datepickerViewDays':
tblEl.get(0).className = 'datepickerViewMonths';
el.find('span').html(tmp.getFullYear());
break;
case 'datepickerViewMonths':
tblEl.get(0).className = 'datepickerViewDays';
el.find('span').html(formatDate(tmp, 'B Y'));
break;
}
} else if (parentEl.parent().parent().is('thead')) {
switch (tblEl.get(0).className) {
case 'datepickerViewDays':
options.current.addMonths(parentEl.hasClass('datepickerGoPrev') ? -1 : 1);
break;
case 'datepickerViewMonths':
options.current.addYears(parentEl.hasClass('datepickerGoPrev') ? -1 : 1);
break;
}
fillIt = true;
}
} else if (parentEl.is('td') && !parentEl.hasClass('datepickerDisabled')) {
if (tblEl.get(0).className == 'datepickerViewMonths') {
options.current.setMonth(tblEl.find('tbody.datepickerMonths td').index(parentEl));
options.current.setFullYear(parseInt(tblEl.find('thead th.datepickerMonth span').text(), 10));
options.current.addMonths(0 - tblIndex);
tblEl.get(0).className = 'datepickerViewDays';
} else {
var val = parseInt(el.text(), 10);
tmp.addMonths(tblIndex - 0);
if (parentEl.hasClass('datepickerNotInMonth')) {
tmp.addMonths(val > 15 ? -1 : 1);
}
tmp.setDate(val);
options.date = tmp.valueOf();
changed = true;
}
fillIt = true;
}
if (fillIt) {
fill(this);
}
if (changed) {
options.onChange.apply(this, prepareDate(options));
}
}
return false;
},
prepareDate = function (options) {
var tmp = new Date(options.date);
return [formatDate(tmp, options.format), tmp];
},
isChildOf = function(parentEl, el, container) {
if (parentEl == el) {
return true;
}
if (parentEl.contains) {
return parentEl.contains(el);
}
if ( parentEl.compareDocumentPosition ) {
return !!(parentEl.compareDocumentPosition(el) & 16);
}
var prEl = el.parentNode;
while (prEl && prEl != container) {
if (prEl == parentEl) {
return true;
}
prEl = prEl.parentNode;
}
return false;
},
show = function (ev) {
var cal = $('#' + $(this).data('datepickerId'));
if (!cal.is(':visible')) {
var options = cal.data('datepicker');
options.onBeforeShow.apply(this, [cal.get(0)]);
if (options.onShow.apply(this, [cal.get(0)]) !== false) {
cal.slideDown("fast");
}
$(document).bind('mousedown', {cal: cal, trigger: this}, hide);
}
return false;
},
hide = function (ev) {
if (ev.target != ev.data.trigger && !isChildOf(ev.data.cal.get(0), ev.target, ev.data.cal.get(0))) {
if (ev.data.cal.data('datepicker').onHide.apply(this, [ev.data.cal.get(0)]) !== false) {
ev.data.cal.slideUp("normal");
}
$(document).unbind('mousedown', hide);
}
};
return {
init: function(options) {
iPickerCount++;
options = $.extend({}, defaults, options||{});
extendDate(options.locale);
return this.each(function() {
if (!$(this).data('datepicker')) {
if (options.date.constructor == String) {
options.date = parseDate(options.date, options.format);
options.date.setHours(0,0,0,0);
}
options.date = options.date.valueOf();
if (!options.current) {
options.current = new Date();
} else {
options.current = parseDate(options.current, options.format);
}
options.current.setDate(1);
options.current.setHours(0,0,0,0);
options.id = 'datepicker_' + iPickerCount;
$(this).data('datepickerId', options.id);
var cal = $(tpl.wrapper).attr('id', options.id).bind('click', click).data('datepicker', options);
if (options.className) {
cal.addClass(options.className);
}
var cnt = 1;
cal.find('tr:first').append(
tmpl(tpl.head.join(''), {
prev: options.prev,
next: options.next,
day1: options.locale.daysShort[(cnt++)%7],
day2: options.locale.daysShort[(cnt++)%7],
day3: options.locale.daysShort[(cnt++)%7],
day4: options.locale.daysShort[(cnt++)%7],
day5: options.locale.daysShort[(cnt++)%7],
day6: options.locale.daysShort[(cnt++)%7],
day7: options.locale.daysShort[(cnt++)%7]
})
);
cal.find('tr:first table').addClass('datepickerViewDays');
fill(cal.get(0));
cal.appendTo("#datePickerHook");
$(this).bind('click', show);
}
});
},
showPicker: function() {
return this.each(function() {
if ($(this).data('datepickerId')) {
show.apply(this);
}
});
},
hidePicker: function() {
return this.each(function() {
if ($(this).data('datepickerId')) {
$('#' + $(this).data('datepickerId')).hide();
}
});
},
setDate: function(date, shiftTo) {
return this.each(function() {
if ($(this).data('datepickerId')) {
var cal = $('#' + $(this).data('datepickerId'));
var options = cal.data('datepicker');
options.date = date;
if (options.date.constructor == String) {
options.date = parseDate(options.date, options.format);
options.date.setHours(0,0,0,0);
}
options.date = options.date.valueOf();
if (shiftTo) {
options.current = new Date (options.date);
}
fill(cal.get(0));
}
});
},
getDate: function(formated) {
if (this.size() > 0) {
return prepareDate($('#' + $(this).data('datepickerId')).data('datepicker'))[formated ? 0 : 1];
}
}
};
}();
$.fn.extend({
DatePicker: DatePicker.init,
DatePickerHide: DatePicker.hide,
DatePickerShow: DatePicker.show,
DatePickerSetDate: DatePicker.setDate,
DatePickerGetDate: DatePicker.getDate
});
})(jQuery);