');
}
$.extend(Datepicker.prototype, {
/* Class name added to elements to indicate already configured with a date picker. */
markerClassName: 'hasDatepicker',
/* Debug logging (if enabled). */
log: function () {
if (this.debug)
console.log.apply('', arguments);
},
/* Register a new date picker instance - with custom settings. */
_register: function(inst) {
var id = this._nextId++;
this._inst[id] = inst;
return id;
},
/* Retrieve a particular date picker instance based on its ID. */
_getInst: function(id) {
return this._inst[id] || id;
},
/* Override the default settings for all instances of the date picker.
@param settings object - the new settings to use as defaults (anonymous object)
@return the manager object */
setDefaults: function(settings) {
extendRemove(this._defaults, settings || {});
return this;
},
/* Attach the date picker to a jQuery selection.
@param target element - the target input field or division or span
@param settings object - the new settings to use for this date picker instance (anonymous) */
_attachDatepicker: function(target, settings) {
// check for settings on the control itself - in namespace 'date:'
var inlineSettings = null;
for (attrName in this._defaults) {
var attrValue = target.getAttribute('date:' + attrName);
if (attrValue) {
inlineSettings = inlineSettings || {};
try {
inlineSettings[attrName] = eval(attrValue);
} catch (err) {
inlineSettings[attrName] = attrValue;
}
}
}
var nodeName = target.nodeName.toLowerCase();
var instSettings = (inlineSettings ?
$.extend(settings || {}, inlineSettings || {}) : settings);
if (nodeName == 'input') {
var inst = (inst && !inlineSettings ? inst :
new DatepickerInstance(instSettings, false));
this._connectDatepicker(target, inst);
} else if (nodeName == 'div' || nodeName == 'span') {
var inst = new DatepickerInstance(instSettings, true);
this._inlineDatepicker(target, inst);
}
},
/* Detach a datepicker from its control.
@param target element - the target input field or division or span */
_destroyDatepicker: function(target) {
var nodeName = target.nodeName.toLowerCase();
var calId = target._calId;
target._calId = null;
var $target = $(target);
if (nodeName == 'input') {
$target.siblings('.datepicker_append').replaceWith('').end()
.siblings('.datepicker_trigger').replaceWith('').end()
.removeClass(this.markerClassName)
.unbind('focus', this._showDatepicker)
.unbind('keydown', this._doKeyDown)
.unbind('keypress', this._doKeyPress);
var wrapper = $target.parents('.datepicker_wrap');
if (wrapper)
wrapper.replaceWith(wrapper.html());
} else if (nodeName == 'div' || nodeName == 'span')
$target.removeClass(this.markerClassName).empty();
if ($('input[_calId=' + calId + ']').length == 0)
// clean up if last for this ID
this._inst[calId] = null;
},
/* Enable the date picker to a jQuery selection.
@param target element - the target input field or division or span */
_enableDatepicker: function(target) {
target.disabled = false;
$(target).siblings('button.datepicker_trigger').each(function() { this.disabled = false; }).end()
.siblings('img.datepicker_trigger').css({opacity: '1.0', cursor: ''});
this._disabledInputs = $.map(this._disabledInputs,
function(value) { return (value == target ? null : value); }); // delete entry
},
/* Disable the date picker to a jQuery selection.
@param target element - the target input field or division or span */
_disableDatepicker: function(target) {
target.disabled = true;
$(target).siblings('button.datepicker_trigger').each(function() { this.disabled = true; }).end()
.siblings('img.datepicker_trigger').css({opacity: '0.5', cursor: 'default'});
this._disabledInputs = $.map($.datepicker._disabledInputs,
function(value) { return (value == target ? null : value); }); // delete entry
this._disabledInputs[$.datepicker._disabledInputs.length] = target;
},
/* Is the first field in a jQuery collection disabled as a datepicker?
@param target element - the target input field or division or span
@return boolean - true if disabled, false if enabled */
_isDisabledDatepicker: function(target) {
if (!target)
return false;
for (var i = 0; i < this._disabledInputs.length; i++) {
if (this._disabledInputs[i] == target)
return true;
}
return false;
},
/* Update the settings for a date picker attached to an input field or division.
@param target element - the target input field or division or span
@param name string - the name of the setting to change or
object - the new settings to update
@param value any - the new value for the setting (omit if above is an object) */
_changeDatepicker: function(target, name, value) {
var settings = name || {};
if (typeof name == 'string') {
settings = {};
settings[name] = value;
}
if (inst = this._getInst(target._calId)) {
extendRemove(inst._settings, settings);
this._updateDatepicker(inst);
}
},
/* Set the dates for a jQuery selection.
@param target element - the target input field or division or span
@param date Date - the new date
@param endDate Date - the new end date for a range (optional) */
_setDateDatepicker: function(target, date, endDate) {
if (inst = this._getInst(target._calId)) {
inst._setDate(date, endDate);
this._updateDatepicker(inst);
}
},
/* Get the date(s) for the first entry in a jQuery selection.
@param target element - the target input field or division or span
@return Date - the current date or
Date[2] - the current dates for a range */
_getDateDatepicker: function(target) {
var inst = this._getInst(target._calId);
return (inst ? inst._getDate() : null);
},
/* Handle keystrokes. */
_doKeyDown: function(e) {
var inst = $.datepicker._getInst(this._calId);
if ($.datepicker._datepickerShowing)
switch (e.keyCode) {
case 9: $.datepicker._hideDatepicker(null, '');
break; // hide on tab out
case 13: $.datepicker._selectDay(inst, inst._selectedMonth, inst._selectedYear,
$('td.datepicker_daysCellOver', inst._datepickerDiv)[0]);
return false; // don't submit the form
break; // select the value on enter
case 27: $.datepicker._hideDatepicker(null, inst._get('speed'));
break; // hide on escape
case 33: $.datepicker._adjustDate(inst,
(e.ctrlKey ? -1 : -inst._get('stepMonths')), (e.ctrlKey ? 'Y' : 'M'));
break; // previous month/year on page up/+ ctrl
case 34: $.datepicker._adjustDate(inst,
(e.ctrlKey ? +1 : +inst._get('stepMonths')), (e.ctrlKey ? 'Y' : 'M'));
break; // next month/year on page down/+ ctrl
case 35: if (e.ctrlKey) $.datepicker._clearDate(inst);
break; // clear on ctrl+end
case 36: if (e.ctrlKey) $.datepicker._gotoToday(inst);
break; // current on ctrl+home
case 37: if (e.ctrlKey) $.datepicker._adjustDate(inst, -1, 'D');
break; // -1 day on ctrl+left
case 38: if (e.ctrlKey) $.datepicker._adjustDate(inst, -7, 'D');
break; // -1 week on ctrl+up
case 39: if (e.ctrlKey) $.datepicker._adjustDate(inst, +1, 'D');
break; // +1 day on ctrl+right
case 40: if (e.ctrlKey) $.datepicker._adjustDate(inst, +7, 'D');
break; // +1 week on ctrl+down
}
else if (e.keyCode == 36 && e.ctrlKey) // display the date picker on ctrl+home
$.datepicker._showDatepicker(this);
},
/* Filter entered characters - based on date format. */
_doKeyPress: function(e) {
var inst = $.datepicker._getInst(this._calId);
var chars = $.datepicker._possibleChars(inst._get('dateFormat'));
var chr = String.fromCharCode(e.charCode == undefined ? e.keyCode : e.charCode);
return e.ctrlKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
},
/* Attach the date picker to an input field. */
_connectDatepicker: function(target, inst) {
var input = $(target);
if (input.is('.' + this.markerClassName))
return;
var appendText = inst._get('appendText');
var isRTL = inst._get('isRTL');
if (appendText) {
if (isRTL)
input.before('' + appendText);
else
input.after('' + appendText);
}
var showOn = inst._get('showOn');
if (showOn == 'focus' || showOn == 'both') // pop-up date picker when in the marked field
input.focus(this._showDatepicker);
if (showOn == 'button' || showOn == 'both') { // pop-up date picker when button clicked
input.wrap('');
var buttonText = inst._get('buttonText');
var buttonImage = inst._get('buttonImage');
var trigger = $(inst._get('buttonImageOnly') ?
$('![]()
').addClass('datepicker_trigger').attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
$('