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datepicker.js
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datepicker.js
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/**
* DatePicker widget using Prototype and Scriptaculous.
* (c) 2007-2008 Mathieu Jondet <[email protected]>
* Eulerian Technologies
* (c) 2009-2010 Titi Ala'ilima <[email protected]>
*
* DatePicker is freely distributable under the same terms as Prototype.
*
* v1.0.0
*/
/***
* Some general things to keep in mind:
* - months, when passed around by themselves, typically go from 0 to 11
*/
/**
* DatePickerUtils object. Not a class to be instantiated, just an object
* that holds commonly used values and methods
*/
var DatePickerUtils = {
oneDayInMs : 24 * 3600 * 1000,
_daysInMonth : [31,28,31,30,31,30,31,31,30,31,30,31],
/**
* getMonthDays : given the year and month find the number of days.
*/
getMonthDays : function ( year, month ) {
if (((0 == (year%4)) &&
( (0 != (year%100)) || (0 == (year%400)))) && (month == 1))
return 29;
return this._daysInMonth[month];
},
/**
* convertDate : turn an ANSI date or (real) number of days relative to now
* and returns a Date object.
*/
parseDate : function(dateString) {
var dateObj = DatePickerUtils.ansiDateToObject(dateString);
if (!dateObj) {
var relDate = parseFloat(dateString);
dateObj = new Date();
dateObj.setTime(dateObj.getTime() + dateString * this.oneDayInMs);
}
return dateObj;
},
/**
* dateObjectToAnsi - note: year is padded to 4 digits, just in case
*/
dateObjectToAnsi: function(dateObj) {
if (!dateObj) return null;
return dateObj.getFullYear().toPaddedString(4) + '-' +
(dateObj.getMonth() + 1).toPaddedString(2) + '-' +
dateObj.getDate().toPaddedString(2);
},
/**
* ansiDateToObject - returns null of it fails to parse
*/
ansiDateToObject: function(ansiDate) {
var dateObj = null;
var parsedDate = String(ansiDate).match(/^(\d+)-0*(\d+)-0*(\d+)$/);
if (parsedDate)
dateObj = new Date(parsedDate[1],parsedDate[2] - 1,parsedDate[3]);
return dateObj;
},
/**
* yearMonthToAnsiStub takes year and (0-based) month and returns the
* ANSI date minus the two digit date-of-month, e.g. "2009-03-"
*/
yearMonthToAnsiStub: function(year, month) {
return year.toPaddedString(4)+'-'+(month+1).toPaddedString(2)+'-';
},
/**
* Standard default filter generators which return DatePickerFilter objects
*/
/**
* noDatesBefore takes an ISO date string or a real number indicating how
* many days relative to the current time to set the cutoff of valid dates.
* If any time during a given date is valid, the date is allowed.
*/
noDatesBefore: function (firstDate) {
return new DatePickerFilter(
function(year, month) {
/* Perform our date comparisons with ANSI/ISO date strings */
var testDate = DatePickerUtils.dateObjectToAnsi(
DatePickerUtils.parseDate(firstDate));
var dateFilter = new Array();
var monthDays = DatePickerUtils.getMonthDays(year, month);
var calDate = DatePickerUtils.yearMonthToAnsiStub(year,month);
for (var i = 1; i <= monthDays; i++)
dateFilter[i] = (testDate > (calDate+i.toPaddedString(2)) );
return dateFilter;
},
function(year, month) {
/* Perform our date comparisons with ANSI/ISO date strings */
var testDate =
DatePickerUtils.dateObjectToAnsi(DatePickerUtils.parseDate(firstDate));
var calDate = DatePickerUtils.yearMonthToAnsiStub(year,month) +
DatePickerUtils.getMonthDays(year,month);
return (testDate <= calDate);
}
);
},
/**
* noDatesAfter takes an ISO date string or a real number indicating how
* many days relative to the current time to set the cutoff of valid dates.
* If any time during a given date is valid, the date is allowed.
*/
noDatesAfter: function (firstDate) {
return new DatePickerFilter(
function(year, month) {
/* Perform our date comparisons with ANSI/ISO date strings */
var testDate = DatePickerUtils.dateObjectToAnsi(
DatePickerUtils.parseDate(firstDate));
var dateFilter = new Array();
var monthDays = DatePickerUtils.getMonthDays(year, month);
var calDate = DatePickerUtils.yearMonthToAnsiStub(year,month);
for (var i = 1; i <= monthDays; i++)
dateFilter[i] = (testDate < (calDate+i.toPaddedString(2)) );
return dateFilter;
},
function(year, month) {
/* Perform our date comparisons with ANSI/ISO date strings */
var testDate =
DatePickerUtils.dateObjectToAnsi(DatePickerUtils.parseDate(firstDate));
var calDate = DatePickerUtils.yearMonthToAnsiStub(year,month) + '01';
return (testDate >= calDate);
}
);
},
/**
* noWeekends returns a filter that excludes Saturdays and Sundays. No
* time or demand at the moment for something that deals with locale-specific
* weekend configurations (e.g. Fri, Sat in the Middle East).
*/
noWeekends: function () {
return new DatePickerFilter(
function(year, month) {
var dateFilter = new Array();
var monthDays = DatePickerUtils.getMonthDays(year, month);
var calDate = new Date(year,month,1);
for (var i = 1; i <= monthDays; calDate.setFullYear(year,month,++i))
dateFilter[i] = ((calDate.getDay() % 6) == 0); // 0 = Sun, 6 = Sat
return dateFilter;
},
null
);
}
}
/**
* DatePickerFormatter class for matching and stringifying dates.
*
* By Arturas Slajus <[email protected]>.
*/
var DatePickerFormatter = Class.create();
DatePickerFormatter.prototype = {
/**
* Create a DatePickerFormatter.
*
* format: specify a format by passing 3 value array consisting of
* "yyyy", "mm", "dd". Default: ["yyyy", "mm", "dd"].
*
* separator: string for splitting the values. Default: "-".
*
* Use it like this:
* var df = new DatePickerFormatter(["dd", "mm", "yyyy"], "/");
* df.current_date();
* df.match("7/7/2007");
*/
initialize: function(format, separator) {
if (Object.isUndefined(format))
format = ["yyyy", "mm", "dd"];
if (Object.isUndefined(separator))
separator = "-";
this._format = format;
this.separator = separator;
this._formatYearIndex = format.indexOf("yyyy");
this._formatMonthIndex= format.indexOf("mm");
this._formatDayIndex = format.indexOf("dd");
this._yearRegexp = /^\d{4}$/;
this._monthRegexp = /^0\d|1[012]|\d$/;
this._dayRegexp = /^0\d|[12]\d|3[01]|\d$/;
},
/**
* Match a string against date format.
* Returns: [year, month, day]
*/
match: function(str) {
var d = str.split(this.separator);
if (d.length < 3)
return false;
var year = d[this._formatYearIndex].match(this._yearRegexp);
if (year) { year = year[0] } else { return false }
var month = d[this._formatMonthIndex].match(this._monthRegexp);
if (month) { month = month[0] } else { return false }
var day = d[this._formatDayIndex].match(this._dayRegexp);
if (day) { day = day[0] } else { return false }
return [year, month, day];
},
/**
* Return current date according to format.
*/
currentDate: function() {
var d = new Date;
return this.dateToString(
d.getFullYear(),
d.getMonth() + 1,
d.getDate()
);
},
/**
* Return a stringified date according to format. Note, month is from
* 1 to 12 here.
*/
dateToString: function(year, month, day, separator) {
if (Object.isUndefined(separator))
separator = this.separator;
var a = [0, 0, 0];
a[this._formatYearIndex] = year;
a[this._formatMonthIndex] = month.toPaddedString(2);
a[this._formatDayIndex] = day.toPaddedString(2);
return a.join(separator);
}
};
/**
* DatePickerFilter
* Titi Ala'ilima <[email protected]>
*/
var DatePickerFilter = Class.create();
DatePickerFilter.prototype = {
/* A flexible way of blocking dates off from being selected. Should
be able to go so far as to hook it into an AJAX-based holiday filter,
should anyone be kind enough to build one. Note that validDates and
validMonthP take 0-based months.
*/
initialize : function (dateFilterFunction, monthFilterFunction) {
if (dateFilterFunction) this.badDates = dateFilterFunction;
if (monthFilterFunction) this.validMonthP = monthFilterFunction;
},
/**
* badDates is a method which takes a fear and (0-based) month and
* returns an array indexed by the (1-based) date, with value true if
* the filter says this date is not allowed. (This way,
* an empty array equates to an unfiltered month.)
*/
badDates : null,
/**
* validMonthP is a method which takes a fear and (0-based) month and
* returns a Boolean saying whether or not the month is allowed by this
* filter
*/
validMonthP : null,
/* Using "append" we can string filters together, such as "before date a",
"after date b", and "not on weekends". Note: this changes the current
DatePickerFilter rather than returning a new one.
Caveat Integrator: This uses closures. These can cause memory leaks (in
IE) so be careful!
*/
append : function (nextFilter) {
if (!this.badDates)
this.badDates = nextFilter.badDates;
else if (nextFilter.badDates) {
var firstBadDates = this.badDates;
this.badDates = function (year, month) {
var results1 = firstBadDates(year,month);
var results2 = nextFilter.badDates(year,month);
/* An element-wise "or", since if it's bad in one filter, it's
bad for the aggregate. */
for (var i = 0; i < results1.length; i++)
results1[i] = results1[i] || results2[i];
return results1;
};
}
if (!this.validMonthP)
this.validMonthP = nextFilter.validMonthP;
else if (nextFilter.validMonthP) {
var firstValidMonthP = this.validMonthP;
this.validMonthP = function (year, month) {
return firstValidMonthP(year,month) && nextFilter.validMonthP(year,month);
};
}
return this; // Just so we can chain filters inline
}
};
/**
* DatePicker
*/
var DatePicker = Class.create();
DatePicker.prototype = {
Version : '1.0.0',
_relative : null,
_div : null,
_zindex : 1,
_keepFieldEmpty: false,
_dateFormat : null,
/* language */
_language : 'en',
_language_month : $H({
'fr' : [ 'Janvier', 'Février', 'Mars', 'Avril', 'Mai', 'Juin',
'Juillet', 'Aout', 'Septembre', 'Octobre', 'Novembre',
'Décembre' ],
'en' : [ 'January', 'February', 'March', 'April', 'May', 'June', 'July',
'August', 'September', 'October', 'November', 'December' ],
'sp' : [ 'Enero', 'Febrero', 'Marzo', 'Abril', 'Mayo', 'Junio', 'Julio',
'Agosto', 'Septiembre', 'Octubre', 'Noviembre', 'Diciembre' ],
'it' : [ 'Gennaio', 'Febbraio', 'Marzo', 'Aprile', 'Maggio', 'Giugno',
'Luglio', 'Agosto', 'Settembre', 'Ottobre', 'Novembre',
'Dicembre' ],
'de' : [ 'Januar', 'Februar', 'März', 'April', 'Mai', 'Juni', 'Juli',
'August', 'September', 'Oktober', 'November', 'Dezember' ],
'pt' : [ 'Janeiro', 'Fevereiro', 'Março', 'Abril', 'Maio', 'Junho',
'Julho', 'Agosto', 'Setembro', 'Outubro', 'Novembro', 'Dezembro' ],
'hu' : [ 'Január', 'Február', 'Március', 'Április',
'Május', 'Június', 'Július', 'Augusztus',
'Szeptember', 'Október', 'November', 'December' ],
'lt' : [ 'Sausis', 'Vasaris', 'Kovas', 'Balandis', 'Gegužė',
'Birželis', 'Liepa', 'Rugjūtis', 'Rusėjis',
'Spalis', 'Lapkritis', 'Gruodis' ],
'nl' : [ 'januari', 'februari', 'maart', 'april', 'mei', 'juni', 'juli',
'augustus', 'september', 'oktober', 'november', 'december' ],
'dk' : [ 'Januar', 'Februar', 'Marts', 'April', 'Maj', 'Juni', 'Juli',
'August', 'September', 'Oktober', 'November', 'December' ],
'no' : [ 'Januar', 'Februar', 'Mars', 'April', 'Mai', 'Juni', 'Juli',
'August', 'September', 'Oktober', 'November', 'Desember' ],
'lv' : [ 'Janvāris', 'Februāris', 'Marts', 'Aprīlis',
'Maijs', 'Jūnijs', 'Jūlijs', 'Augusts', 'Septembris',
'Oktobris', 'Novembris', 'Decemberis' ],
'ja' : [ '1月', '2月', '3月', '4月', '5月',
'6月', '7月', '8月', '9月',
'10月', '11月', '12月' ],
'fi' : [ 'Tammikuu', 'Helmikuu', 'Maaliskuu', 'Huhtikuu', 'Toukokuu',
'Kesäkuu', 'Heinäkuu', 'Elokuu', 'Syyskuu', 'Lokakuu',
'Marraskuu', 'Joulukuu' ],
'ro' : [ 'Ianuarie', 'Februarie', 'Martie', 'Aprilie', 'Mai', 'Junie',
'Julie', 'August', 'Septembrie', 'Octombrie', 'Noiembrie',
'Decembrie' ],
'zh' : [ '1 月', '2 月', '3 月',
'4 月', '5 月', '6 月',
'7 月', '8 月', '9 月',
'10月', '11月', '12月'],
'sv' : [ 'Januari', 'Februari', 'Mars', 'April', 'Maj', 'Juni', 'Juli',
'Augusti', 'September', 'Oktober', 'November', 'December' ],
'pl' : [ 'Stycze\u0144', 'Luty', 'Marzec', 'Kwiecie\u0144', 'Maj',
'Czerwiec', 'Lipiec', 'Sierpie\u0144', 'Wrzesie\u0144',
'Pa\u017adziernik', 'Listopad', 'Grudzie\u0144']
}),
_language_day : $H({
'fr' : [ 'Lun', 'Mar', 'Mer', 'Jeu', 'Ven', 'Sam', 'Dim' ],
'en' : [ 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun' ],
'sp' : [ 'Lun', 'Mar', 'Mie', 'Jue', 'Vie', 'Sàb', 'Dom' ],
'it' : [ 'Lun', 'Mar', 'Mer', 'Gio', 'Ven', 'Sab', 'Dom' ],
'de' : [ 'Mon', 'Die', 'Mit', 'Don', 'Fre', 'Sam', 'Son' ],
'pt' : [ 'Seg', 'Ter', 'Qua', 'Qui', 'Sex', 'Sá', 'Dom' ],
'hu' : [ 'Hé', 'Ke', 'Sze', 'Csü', 'Pé', 'Szo', 'Vas' ],
'lt' : [ 'Pir', 'Ant', 'Tre', 'Ket', 'Pen', 'Šeš', 'Sek' ],
'nl' : [ 'ma', 'di', 'wo', 'do', 'vr', 'za', 'zo' ],
'dk' : [ 'Man', 'Tir', 'Ons', 'Tor', 'Fre', 'Lør', 'Søn' ],
'no' : [ 'Man', 'Tir', 'Ons', 'Tor', 'Fre', 'Lør', 'Sun' ],
'lv' : [ 'P', 'O', 'T', 'C', 'Pk', 'S', 'Sv' ],
'ja' : [ '月', '火', '水', '木', '金',
'土', '日' ],
'fi' : [ 'Ma', 'Ti', 'Ke', 'To', 'Pe', 'La', 'Su' ],
'ro' : [ 'Lun', 'Mar', 'Mie', 'Joi', 'Vin', 'Sam', 'Dum' ],
'zh' : [ '周一', '周二', '周三',
'周四', '周五', '周六',
'周日' ],
'sv' : [ 'Mån', 'Tis', 'Ons', 'Tor', 'Fre', 'Lör',
'Sön' ],
'pl' : ['Pon', 'Wt', '\u015ar', 'Czw', 'Pt', 'Sob', 'Nie']
}),
_language_close : $H({
'fr' : 'fermer',
'en' : 'close',
'sp' : 'cierre',
'it' : 'fine',
'de' : 'schliessen',
'pt' : 'fim',
'hu' : 'bezár',
'lt' : 'uždaryti',
'nl' : 'sluiten',
'dk' : 'luk',
'no' : 'lukk',
'lv' : 'aizvērt',
'ja' : '閉じる',
'fi' : 'sulje',
'ro' : 'inchide',
'zh' : '关 闭',
'sv' : 'stäng',
'pl' : 'zamknij'
}),
_language_date_format : $H({
'en': [ ["mm", "dd", "yyyy"], "/" ],
'lt': [ ["yyyy", "mm", "dd"], "-" ],
'fr': [ ["dd", "mm", "yyyy"], "/" ],
'sp': [ ["dd", "mm", "yyyy"], "/" ],
'it': [ ["dd", "mm", "yyyy"], "/" ],
'de': [ ["dd", "mm", "yyyy"], "/" ],
'pt': [ ["dd", "mm", "yyyy"], "/" ],
'hu': [ ["dd", "mm", "yyyy"], "/" ],
'nl': [ ["dd", "mm", "yyyy"], "/" ],
'dk': [ ["dd", "mm", "yyyy"], "/" ],
'no': [ ["dd", "mm", "yyyy"], "/" ],
'lv': [ ["dd", "mm", "yyyy"], "/" ],
'ja': [ ["yyyy", "mm", "dd"], "-" ],
'fi': [ ["dd", "mm", "yyyy"], "." ],
'ro': [ ["dd", "mm", "yyyy"], "/" ],
'zh': [ ["yyyy", "mm", "dd"], "-" ],
'sv': [ ["dd", "mm", "yyyy"], "/" ],
'pl': [ ["yyyy", "mm", "dd"], "-" ]
}),
/* date manipulation */
_todayDate : new Date(),
_currentDate : null,
_clickCallback : Prototype.emptyFunction,
_cellCallback : Prototype.emptyFunction,
_dateFilter : new DatePickerFilter(),
_id_datepicker : null,
/* positionning */
_topOffset : 30,
_leftOffset : 0,
_isPositionned : false,
_relativePosition : true,
_relativeAppend : false,
_setPositionTop : 0,
_setPositionLeft : 0,
_bodyAppend : false,
/* Effects Adjustment */
_showEffect : "appear",
_showDuration : 0.2,
_enableShowEffect : true,
_closeEffect : "fade",
_closeEffectDuration : 0.2,
_enableCloseEffect : true,
_closeTimer : null,
_enableCloseOnBlur : false,
/* afterClose : called when the close function is executed */
_afterClose : Prototype.emptyFunction,
/* return the name of current month in appropriate language */
getMonthLocale : function ( month ) {
return this._language_month.get(this._language)[month];
},
getLocaleClose : function () {
return this._language_close.get(this._language);
},
_initCurrentDate : function () {
/* Create the DateFormatter */
if (!this._dateFormat)
this._dateFormat = this._language_date_format.get(this._language);
this._df = new DatePickerFormatter(this._dateFormat[0], this._dateFormat[1]);
/* check if value in field is proper, if not set to today */
this._currentDate = $F(this._relative);
if (! this._df.match(this._currentDate)) {
this._currentDate = this._df.currentDate();
/* set the field value ? */
if (!this._keepFieldEmpty)
$(this._relative).value = this._currentDate;
}
var a_date = this._df.match(this._currentDate);
this._currentYear = Number(a_date[0]);
this._currentMonth = Number(a_date[1]) - 1;
this._currentDay = Number(a_date[2]);
},
/* init */
initialize : function ( h_p ) {
/* arguments */
this._relative= h_p["relative"];
this._zindex = ( h_p["zindex"] ) ? parseInt(Number(h_p["zindex"])) : 1;
if (!Object.isUndefined(h_p["leftOffset"]))
this._leftOffset = parseInt(h_p["leftOffset"]);
if (!Object.isUndefined(h_p["topOffset"]))
this._topOffset = parseInt(h_p["topOffset"]);
["language","keepFieldEmpty","clickCallback","relativePosition","relativeAppend","showEffect","enableShowEffect","showDuration",
"closeEffect","enableCloseEffect","closeEffectDuration","afterClose","externalControl","dateFormat","cellCallback"].each(function(name,index) { if (!Object.isUndefined(h_p[name])) this['_'+name] = h_p[name]; });
this._setPositionTop = ( h_p["setPositionTop"] ) ? parseInt(Number(h_p["setPositionTop"])) : 0;
this._setPositionLeft = ( h_p["setPositionLeft"] ) ? parseInt(Number(h_p["setPositionLeft"])) : 0;
if (!Object.isUndefined(h_p["enableCloseOnBlur"]) && h_p["enableCloseOnBlur"])
this._enableCloseOnBlur = true;
if (!Object.isUndefined(h_p["dateFilter"]) && h_p["dateFilter"])
this._dateFilter = h_p["dateFilter"];
// Backwards compatibility
if (!Object.isUndefined(h_p["disablePastDate"]) && h_p["disablePastDate"])
this._dateFilter.append(DatePickerUtils.noDatesBefore(0));
else if (!Object.isUndefined(h_p["disableFutureDate"]) && h_p["disableFutureDate"])
this._dateFilter.append(DatePickerUtils.noDatesAfter(0));
this._id_datepicker = 'datepicker-'+this._relative;
this._id_datepicker_prev = this._id_datepicker+'-prev';
this._id_datepicker_next = this._id_datepicker+'-next';
this._id_datepicker_hdr = this._id_datepicker+'-header';
this._id_datepicker_ftr = this._id_datepicker+'-footer';
/* build up calendar skel */
this._div = new Element('div', {
id : this._id_datepicker,
className : 'datepicker',
style : 'display: none; z-index:'+this._zindex });
this._div.innerHTML = '<table><thead><tr><th width="10px" id="'+this._id_datepicker_prev+'" style="cursor: pointer;"> << </th><th id="'+this._id_datepicker_hdr+'" colspan="5"></th><th width="10px" id="'+this._id_datepicker_next+'" style="cursor: pointer;"> >> </th></tr></thead><tbody id="'+this._id_datepicker+'-tbody"></tbody><tfoot><tr><td colspan="7" id="'+this._id_datepicker_ftr+'"></td></tr></tfoot></table>';
/* finally declare the event listener on input field */
Event.observe(this._relative,
'click', this.click.bindAsEventListener(this), false);
/* need to append on body when doc is loaded for IE */
document.observe('dom:loaded', this.load.bindAsEventListener(this), false);
/* automatically close when blur event is triggered */
if ( this._enableCloseOnBlur ) {
Event.observe(this._relative, 'blur', function (e) {
if (!this._closeTimer) this._closeTimer = this.close.bind(this).delay(1);
}.bindAsEventListener(this));
Event.observe(this._div, 'click', function (e) {
Field.focus(this._relative);
this.checkClose.bind(this).delay(0.1);
}.bindAsEventListener(this));
}
},
/**
* load : called when document is fully-loaded to append datepicker
* to main object.
*/
load : function () {
/* if externalControl defined set the observer on it */
if (this._externalControl)
Event.observe(this._externalControl, 'click',
this.click.bindAsEventListener(this), false);
/* append to page */
if (this._relativeAppend) {
/* append to parent node */
if ($(this._relative).parentNode) {
this._div.innerHTML = this._wrap_in_iframe(this._div.innerHTML);
$(this._relative).parentNode.appendChild( this._div );
}
} else {
/* append to body */
var body = document.getElementsByTagName("body").item(0);
if (body) {
this._div.innerHTML = this._wrap_in_iframe(this._div.innerHTML);
body.appendChild(this._div);
}
if ( this._relativePosition ) {
var a_pos = Element.cumulativeOffset($(this._relative));
this.setPosition(a_pos[1], a_pos[0]);
} else {
if (this._setPositionTop || this._setPositionLeft)
this.setPosition(this._setPositionTop, this._setPositionLeft);
}
}
/* init the date in field if needed */
this._initCurrentDate();
/* set the close locale content */
$(this._id_datepicker_ftr).innerHTML = this.getLocaleClose();
/* declare the observers for UI control */
Event.observe($(this._id_datepicker_prev),
'click', this.prevMonth.bindAsEventListener(this), false);
Event.observe($(this._id_datepicker_next),
'click', this.nextMonth.bindAsEventListener(this), false);
Event.observe($(this._id_datepicker_ftr),
'click', this.close.bindAsEventListener(this), false);
Event.observe($(document),
'click', this.documentClick.bindAsEventListener(this), false);
},
/* hack for buggy form elements layering in IE */
_wrap_in_iframe : function ( content ) {
return ( Prototype.Browser.IE ) ?
"<div style='height:167px;width:185px;background-color:white;align:left'><iframe width='100%' height='100%' marginwidth='0' marginheight='0' frameborder='0' src='about:blank' style='filter:alpha(Opacity=50);'></iframe><div style='position:absolute;background-color:white;top:2px;left:2px;width:180px'>" + content + "</div></div>" : content;
},
/**
* visible : return the visibility status of the datepicker.
*/
visible : function () {
return $(this._id_datepicker).visible();
},
/**
* click : called when input element is clicked
*/
click : function () {
/* init the datepicker if it doesn't exists */
if ( $(this._id_datepicker) == null ) this.load();
if (!this._isPositionned && this._relativePosition) {
/* position the datepicker relatively to element */
var a_lt = Element.cumulativeOffset($(this._relative));
$(this._id_datepicker).setStyle({
'left' : Number(a_lt[0]+this._leftOffset)+'px',
'top' : Number(a_lt[1]+this._topOffset)+'px'
});
this._isPositionned = true;
}
if (!this.visible()) {
this._initCurrentDate();
this._redrawCalendar();
}
/* eval the clickCallback function */
eval(this._clickCallback());
/* Effect toggle to fade-in / fade-out the datepicker */
if ( this._enableShowEffect ) {
new Effect.toggle(this._id_datepicker,
this._showEffect, { duration: this._showDuration });
} else {
$(this._id_datepicker).show();
}
},
/**
* close : called when the datepicker is closed
*/
close : function () {
// ignore requests to close if already closed:
if (!this.visible())
return;
this.checkClose();
if ( this._enableCloseEffect ) {
switch(this._closeEffect) {
case 'puff':
new Effect.Puff(this._id_datepicker, {
duration : this._closeEffectDuration });
break;
case 'blindUp':
new Effect.BlindUp(this._id_datepicker, {
duration : this._closeEffectDuration });
break;
case 'dropOut':
new Effect.DropOut(this._id_datepicker, {
duration : this._closeEffectDuration });
break;
case 'switchOff':
new Effect.SwitchOff(this._id_datepicker, {
duration : this._closeEffectDuration });
break;
case 'squish':
new Effect.Squish(this._id_datepicker, {
duration : this._closeEffectDuration });
break;
case 'fold':
new Effect.Fold(this._id_datepicker, {
duration : this._closeEffectDuration });
break;
case 'shrink':
new Effect.Shrink(this._id_datepicker, {
duration : this._closeEffectDuration });
break;
default:
new Effect.Fade(this._id_datepicker, {
duration : this._closeEffectDuration });
break;
};
} else {
$(this._id_datepicker).hide();
}
eval(this._afterClose());
},
/**
* checkClose : called to check whether datepicker is set to close when it's clicked (due to enableCloseOnBlur)
* Thanks to firetech87
*/
checkClose : function () {
if (this._closeTimer) {
window.clearTimeout(this._closeTimer);
this._closeTimer = null;
}
},
/**
* documentClick : called when user clicked anywhere in the document
*/
documentClick : function (event) {
var source = event.element();
if (source != this._div && source != $(this._relative) && source != $(this._externalControl) &&
!source.descendantOf(this._div))
this.close();
},
/**
* setDateFormat
*/
setDateFormat : function ( format, separator ) {
if (Object.isUndefined(format))
format = this._dateFormat[0];
if (Object.isUndefined(separator))
separator = this._dateFormat[1];
this._dateFormat = [ format, separator ];
},
/**
* setPosition : set the position of the datepicker.
* param : t=top | l=left
*/
setPosition : function ( t, l ) {
var h_pos = { 'top' : '0px', 'left' : '0px' };
if (!Object.isUndefined(t))
h_pos['top'] = Number(t)+this._topOffset+'px';
if (!Object.isUndefined(l))
h_pos['left']= Number(l)+this._leftOffset+'px';
$(this._id_datepicker).setStyle(h_pos);
this._isPositionned = true;
},
/**
* _buildCalendar : draw the days array for current date
*/
_buildCalendar : function () {
var _self = this;
var tbody = $(this._id_datepicker+'-tbody');
try {
while ( tbody.hasChildNodes() )
tbody.removeChild(tbody.childNodes[0]);
} catch ( e ) {};
/* generate day headers */
var trDay = new Element('tr');
this._language_day.get(this._language).each( function ( item ) {
var td = new Element('td');
td.innerHTML = item;
td.className = 'wday';
trDay.appendChild( td );
});
tbody.appendChild( trDay );
/* generate the content of days */
/* build-up days matrix */
var a_d = [ [ 0, 0, 0, 0, 0, 0, 0 ] ,[ 0, 0, 0, 0, 0, 0, 0 ]
,[ 0, 0, 0, 0, 0, 0, 0 ], [ 0, 0, 0, 0, 0, 0, 0 ], [ 0, 0, 0, 0, 0, 0, 0 ]
,[ 0, 0, 0, 0, 0, 0, 0 ]
];
var currentMonth = this._currentMonth;
var currentYear = this._currentYear;
/* set date at beginning of month to display */
var d = new Date(currentYear, currentMonth, 1, 12);
/* start the day list on monday */
var startIndex = (d.getDay() + 6) % 7;
var nbDaysInMonth = DatePickerUtils.getMonthDays(currentYear, currentMonth);
var daysIndex = 1;
var badDates = (this._dateFilter.badDates) ? this._dateFilter.badDates(currentYear, currentMonth) : [];
/* The first week */
for ( var j = startIndex; j < 7; j++ ) {
a_d[0][j] = {
d : daysIndex
,m : currentMonth
,y : currentYear
,b : badDates[daysIndex]
};
daysIndex++;
}
/* Fill in days before the current month starts */
var a_prevMY = this._prevMonthYear();
var nbDaysInMonthPrev = DatePickerUtils.getMonthDays(a_prevMY[1], a_prevMY[0]);
for ( var j = 0; j < startIndex; j++ ) {
a_d[0][j] = {
d : Number(nbDaysInMonthPrev - startIndex + j + 1)
,m : Number(a_prevMY[0])
,y : a_prevMY[1]
,c : 'outbound'
,b : true
};
}
/* Now the remaining weeks */
var switchNextMonth = false;
for ( var i = 1; i < 6; i++ ) {
for ( var j = 0; j < 7; j++ ) {
a_d[i][j] = {
d : daysIndex
,m : currentMonth
,y : currentYear
,c : ( switchNextMonth )
? 'outbound' :
(
((daysIndex == this._todayDate.getDate()) &&
(currentMonth == this._todayDate.getMonth()) &&
(currentYear == this._todayDate.getFullYear())) ? 'today' : null)
,b : switchNextMonth || badDates[daysIndex]
};
daysIndex++;
/* if at the end of the month : reset counter */
if (daysIndex > nbDaysInMonth ) {
daysIndex = 1;
switchNextMonth = true;
if (this._currentMonth + 1 > 11 ) {
currentMonth = 0;
currentYear += 1;
} else {
currentMonth += 1;
}
}
}
}
/* now generate the table cells for the dates */
for ( var i = 0; i < 6; i++ ) {
var tr = new Element('tr');
for ( var j = 0; j < 7; j++ ) {
var h_ij = a_d[i][j];
var td = new Element('td');
/* id is : datepicker-day-mon-year or depending on language other way */
/* don't forget to add 1 on month for proper formmatting */
var id = $A([
this._relative,
this._df.dateToString(h_ij["y"], h_ij["m"]+1, h_ij["d"], '-')
]).join('-');
/* set id and classname for cell if exists */
td.setAttribute('id', id);
if (h_ij["c"])
td.className = h_ij["c"];
this._bindCellOnClick( td, h_ij["b"], h_ij["c"] );
td.innerHTML= h_ij["d"];
tr.appendChild( td );
}
tbody.appendChild( tr );
}
return tbody;
},
/**
* _bindCellOnClick : bind the cell onclick depending on status.
*/
_bindCellOnClick : function ( td, badDateP, cellClass ) {
if ( badDateP ) {
td.className= ( cellClass ) ? 'nclick_' + cellClass : 'nclick';
} else {
/* Create a closure so we have access to the DatePicker object */
var _self = this;
td.onclick = function () {
$(_self._relative).value = String($(this).readAttribute('id')
).replace(_self._relative+'-','').replace(/-/g, _self._df.separator);
/* if we have a cellCallback defined call it and pass it the cell */
if (_self._cellCallback)
_self._cellCallback(this);
_self.close();
};
}
},
/**
* nextMonth : redraw the calendar content for next month.
*/
_nextMonthYear : function () {
var c_mon = this._currentMonth;
var c_year = this._currentYear;
if (c_mon + 1 > 11) {
c_mon = 0;
c_year += 1;
} else {
c_mon += 1;
}
return [ c_mon, c_year ];
},
nextMonth : function () {
this._maybeRedrawMonth(this._nextMonthYear());
},
/**
* prevMonth : redraw the calendar content for previous month.
*/
_prevMonthYear : function () {
var c_mon = this._currentMonth;
var c_year = this._currentYear;
if (c_mon - 1 < 0) {
c_mon = 11;
c_year -= 1;
} else {
c_mon -= 1;
}
return [ c_mon, c_year ];
},
prevMonth : function () {
this._maybeRedrawMonth(this._prevMonthYear());
},
_maybeRedrawMonth : function(a_new) {
var _newMon = a_new[0];
var _newYear = a_new[1];
if (!this._dateFilter.validMonthP ||
this._dateFilter.validMonthP(_newYear, _newMon)) {
this._currentMonth = _newMon;
this._currentYear = _newYear;
this._redrawCalendar();
}
},
_redrawCalendar : function () {
this._setLocaleHdr(); this._buildCalendar();
},
_setLocaleHdr : function () {
/* next link */
var a_next = this._nextMonthYear();
$(this._id_datepicker_next).setAttribute('title',
this.getMonthLocale(a_next[0])+' '+a_next[1]);
/* prev link */
var a_prev = this._prevMonthYear();
$(this._id_datepicker_prev).setAttribute('title',
this.getMonthLocale(a_prev[0])+' '+a_prev[1]);
/* header */
$(this._id_datepicker_hdr).update(' '+this.getMonthLocale(this._currentMonth)+' '+this._currentYear+' ');
}
};