/* * jQuery UI Datepicker @VERSION * * Copyright (c) 2006, 2007, 2008 Marc Grabanski * Dual licensed under the MIT (MIT-LICENSE.txt) * and GPL (GPL-LICENSE.txt) licenses. * * http://docs.jquery.com/UI/Datepicker * * Depends: * ui.core.js * * Marc Grabanski (m@marcgrabanski.com) and Keith Wood (kbwood@virginbroadband.com.au). */ (function($) { // hide the namespace var PROP_NAME = 'datepicker'; /* Date picker manager. Use the singleton instance of this class, $.datepicker, to interact with the date picker. Settings for (groups of) date pickers are maintained in an instance object, allowing multiple different settings on the same page. */ function Datepicker() { this.debug = false; // Change this to true to start debugging this._curInst = null; // The current instance in use this._disabledInputs = []; // List of date picker inputs that have been disabled this._datepickerShowing = false; // True if the popup picker is showing , false if not this._inDialog = false; // True if showing within a "dialog", false if not this._mainDivId = 'ui-datepicker-div'; // The ID of the main datepicker division this._inlineClass = 'ui-datepicker-inline'; // The name of the inline marker class this._appendClass = 'ui-datepicker-append'; // The name of the append marker class this._triggerClass = 'ui-datepicker-trigger'; // The name of the trigger marker class this._dialogClass = 'ui-datepicker-dialog'; // The name of the dialog marker class this._promptClass = 'ui-datepicker-prompt'; // The name of the dialog prompt marker class this._disableClass = 'ui-datepicker-disabled'; // The name of the disabled covering marker class this._unselectableClass = 'ui-datepicker-unselectable'; // The name of the unselectable cell marker class this._currentClass = 'ui-datepicker-current-day'; // The name of the current day marker class this.regional = []; // Available regional settings, indexed by language code this.regional[''] = { // Default regional settings clearText: 'Clear', // Display text for clear link clearStatus: 'Erase the current date', // Status text for clear link closeText: 'Close', // Display text for close link closeStatus: 'Close without change', // Status text for close link prevText: '<Prev', // Display text for previous month link prevStatus: 'Show the previous month', // Status text for previous month link prevBigText: '<<', // Display text for previous year link prevBigStatus: 'Show the previous year', // Status text for previous year link nextText: 'Next>', // Display text for next month link nextStatus: 'Show the next month', // Status text for next month link nextBigText: '>>', // Display text for next year link nextBigStatus: 'Show the next year', // Status text for next year link currentText: 'Today', // Display text for current month link currentStatus: 'Show the current month', // Status text for current month link monthNames: ['January','February','March','April','May','June', 'July','August','September','October','November','December'], // Names of months for drop-down and formatting monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // For formatting monthStatus: 'Show a different month', // Status text for selecting a month yearStatus: 'Show a different year', // Status text for selecting a year weekHeader: 'Wk', // Header for the week of the year column weekStatus: 'Week of the year', // Status text for the week of the year column dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'], // Column headings for days starting at Sunday dayStatus: 'Set DD as first week day', // Status text for the day of the week selection dateStatus: 'Select DD, M d', // Status text for the date selection dateFormat: 'mm/dd/yy', // See format options on parseDate firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ... initStatus: 'Select a date', // Initial Status text on opening isRTL: false // True if right-to-left language, false if left-to-right }; this._defaults = { // Global defaults for all the date picker instances showOn: 'focus', // 'focus' for popup on focus, // 'button' for trigger button, or 'both' for either showAnim: 'show', // Name of jQuery animation for popup showOptions: {}, // Options for enhanced animations defaultDate: null, // Used when field is blank: actual date, // +/-number for offset from today, null for today appendText: '', // Display text following the input box, e.g. showing the format buttonText: '...', // Text for trigger button buttonImage: '', // URL for trigger button image buttonImageOnly: false, // True if the image appears alone, false if it appears on a button closeAtTop: true, // True to have the clear/close at the top, // false to have them at the bottom mandatory: false, // True to hide the Clear link, false to include it hideIfNoPrevNext: false, // True to hide next/previous month links // if not applicable, false to just disable them navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links showBigPrevNext: false, // True to show big prev/next links gotoCurrent: false, // True if today link goes back to current selection instead changeMonth: true, // True if month can be selected directly, false if only prev/next changeYear: true, // True if year can be selected directly, false if only prev/next showMonthAfterYear: false, // True if the year select precedes month, false for month then year yearRange: '-10:+10', // Range of years to display in drop-down, // either relative to current year (-nn:+nn) or absolute (nnnn:nnnn) changeFirstDay: true, // True to click on day name to change, false to remain as set highlightWeek: false, // True to highlight the selected week showOtherMonths: false, // True to show dates in other months, false to leave blank showWeeks: false, // True to show week of the year, false to omit calculateWeek: this.iso8601Week, // How to calculate the week of the year, // takes a Date and returns the number of the week for it shortYearCutoff: '+10', // Short year values < this are in the current century, // > this are in the previous century, // string value starting with '+' for current year + value showStatus: false, // True to show status bar at bottom, false to not show it statusForDate: this.dateStatus, // Function to provide status text for a date - // takes date and instance as parameters, returns display text minDate: null, // The earliest selectable date, or null for no limit maxDate: null, // The latest selectable date, or null for no limit duration: 'normal', // Duration of display/closure beforeShowDay: null, // Function that takes a date and returns an array with // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '', // [2] = cell title (optional), e.g. $.datepicker.noWeekends beforeShow: null, // Function that takes an input field and // returns a set of custom settings for the date picker onSelect: null, // Define a callback function when a date is selected onChangeMonthYear: null, // Define a callback function when the month or year is changed onClose: null, // Define a callback function when the datepicker is closed numberOfMonths: 1, // Number of months to show at a time showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0) stepMonths: 1, // Number of months to step back/forward stepBigMonths: 12, // Number of months to step back/forward for the big links rangeSelect: false, // Allows for selecting a date range on one date picker rangeSeparator: ' - ', // Text between two dates in a range altField: '', // Selector for an alternate field to store selected dates into altFormat: '' // The date format to use for the alternate field }; $.extend(this._defaults, this.regional['']); this.dpDiv = $('
'); } $.extend(Datepicker.prototype, { /* Class name added to elements to indicate already configured with a date picker. */ markerClassName: 'hasDatepicker', /* Debug logging (if enabled). */ log: function () { if (this.debug) console.log.apply('', arguments); }, /* Override the default settings for all instances of the date picker. @param settings object - the new settings to use as defaults (anonymous object) @return the manager object */ setDefaults: function(settings) { extendRemove(this._defaults, settings || {}); return this; }, /* Attach the date picker to a jQuery selection. @param target element - the target input field or division or span @param settings object - the new settings to use for this date picker instance (anonymous) */ _attachDatepicker: function(target, settings) { // check for settings on the control itself - in namespace 'date:' var inlineSettings = null; for (attrName in this._defaults) { var attrValue = target.getAttribute('date:' + attrName); if (attrValue) { inlineSettings = inlineSettings || {}; try { inlineSettings[attrName] = eval(attrValue); } catch (err) { inlineSettings[attrName] = attrValue; } } } var nodeName = target.nodeName.toLowerCase(); var inline = (nodeName == 'div' || nodeName == 'span'); if (!target.id) target.id = 'dp' + (++this.uuid); var inst = this._newInst($(target), inline); inst.settings = $.extend({}, settings || {}, inlineSettings || {}); if (nodeName == 'input') { this._connectDatepicker(target, inst); } else if (inline) { this._inlineDatepicker(target, inst); } }, /* Create a new instance object. */ _newInst: function(target, inline) { var id = target[0].id.replace(/([:\[\]\.])/g, '\\\\$1'); // escape jQuery meta chars return {id: id, input: target, // associated target selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection drawMonth: 0, drawYear: 0, // month being drawn inline: inline, // is datepicker inline or not dpDiv: (!inline ? this.dpDiv : // presentation div $(''))}; }, /* Attach the date picker to an input field. */ _connectDatepicker: function(target, inst) { var input = $(target); if (input.hasClass(this.markerClassName)) return; var appendText = this._get(inst, 'appendText'); var isRTL = this._get(inst, 'isRTL'); if (appendText) input[isRTL ? 'before' : 'after']('' + appendText + ''); var showOn = this._get(inst, '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 var buttonText = this._get(inst, 'buttonText'); var buttonImage = this._get(inst, 'buttonImage'); var trigger = $(this._get(inst, 'buttonImageOnly') ? $('').addClass(this._triggerClass). attr({ src: buttonImage, alt: buttonText, title: buttonText }) : $('').addClass(this._triggerClass). html(buttonImage == '' ? buttonText : $('').attr( { src:buttonImage, alt:buttonText, title:buttonText }))); input[isRTL ? 'before' : 'after'](trigger); trigger.click(function() { if ($.datepicker._datepickerShowing && $.datepicker._lastInput == target) $.datepicker._hideDatepicker(); else $.datepicker._showDatepicker(target); return false; }); } input.addClass(this.markerClassName).keydown(this._doKeyDown).keypress(this._doKeyPress). bind("setData.datepicker", function(event, key, value) { inst.settings[key] = value; }).bind("getData.datepicker", function(event, key) { return this._get(inst, key); }); $.data(target, PROP_NAME, inst); }, /* Attach an inline date picker to a div. */ _inlineDatepicker: function(target, inst) { var divSpan = $(target); if (divSpan.hasClass(this.markerClassName)) return; divSpan.addClass(this.markerClassName).append(inst.dpDiv). bind("setData.datepicker", function(event, key, value){ inst.settings[key] = value; }).bind("getData.datepicker", function(event, key){ return this._get(inst, key); }); $.data(target, PROP_NAME, inst); this._setDate(inst, this._getDefaultDate(inst)); this._updateDatepicker(inst); }, /* Tidy up after displaying the date picker. */ _inlineShow: function(inst) { var numMonths = this._getNumberOfMonths(inst); // fix width for dynamic number of date pickers inst.dpDiv.width(numMonths[1] * $('.ui-datepicker', inst.dpDiv[0]).width()); }, /* Pop-up the date picker in a "dialog" box. @param input element - ignored @param dateText string - the initial date to display (in the current format) @param onSelect function - the function(dateText) to call when a date is selected @param settings object - update the dialog date picker instance's settings (anonymous object) @param pos int[2] - coordinates for the dialog's position within the screen or event - with x/y coordinates or leave empty for default (screen centre) @return the manager object */ _dialogDatepicker: function(input, dateText, onSelect, settings, pos) { var inst = this._dialogInst; // internal instance if (!inst) { var id = 'dp' + (++this.uuid); this._dialogInput = $(''); this._dialogInput.keydown(this._doKeyDown); $('body').append(this._dialogInput); inst = this._dialogInst = this._newInst(this._dialogInput, false); inst.settings = {}; $.data(this._dialogInput[0], PROP_NAME, inst); } extendRemove(inst.settings, settings || {}); this._dialogInput.val(dateText); this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null); if (!this._pos) { var browserWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth; var browserHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight; var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft; var scrollY = document.documentElement.scrollTop || document.body.scrollTop; this._pos = // should use actual width/height below [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY]; } // move input on screen for focus, but hidden behind dialog this._dialogInput.css('left', this._pos[0] + 'px').css('top', this._pos[1] + 'px'); inst.settings.onSelect = onSelect; this._inDialog = true; this.dpDiv.addClass(this._dialogClass); this._showDatepicker(this._dialogInput[0]); if ($.blockUI) $.blockUI(this.dpDiv); $.data(this._dialogInput[0], PROP_NAME, inst); return this; }, /* Detach a datepicker from its control. @param target element - the target input field or division or span */ _destroyDatepicker: function(target) { var $target = $(target); if (!$target.hasClass(this.markerClassName)) { return; } var nodeName = target.nodeName.toLowerCase(); $.removeData(target, PROP_NAME); if (nodeName == 'input') { $target.siblings('.' + this._appendClass).remove().end(). siblings('.' + this._triggerClass).remove().end(). removeClass(this.markerClassName). unbind('focus', this._showDatepicker). unbind('keydown', this._doKeyDown). unbind('keypress', this._doKeyPress); } else if (nodeName == 'div' || nodeName == 'span') $target.removeClass(this.markerClassName).empty(); }, /* Enable the date picker to a jQuery selection. @param target element - the target input field or division or span */ _enableDatepicker: function(target) { var $target = $(target); if (!$target.hasClass(this.markerClassName)) { return; } var nodeName = target.nodeName.toLowerCase(); if (nodeName == 'input') { target.disabled = false; $target.siblings('button.' + this._triggerClass). each(function() { this.disabled = false; }).end(). siblings('img.' + this._triggerClass). css({opacity: '1.0', cursor: ''}); } else if (nodeName == 'div' || nodeName == 'span') { $target.children('.' + this._disableClass).remove(); } 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) { var $target = $(target); if (!$target.hasClass(this.markerClassName)) { return; } var nodeName = target.nodeName.toLowerCase(); if (nodeName == 'input') { target.disabled = true; $target.siblings('button.' + this._triggerClass). each(function() { this.disabled = true; }).end(). siblings('img.' + this._triggerClass). css({opacity: '0.5', cursor: 'default'}); } else if (nodeName == 'div' || nodeName == 'span') { var inline = $target.children('.' + this._inlineClass); var offset = inline.offset(); var relOffset = {left: 0, top: 0}; inline.parents().each(function() { if ($(this).css('position') == 'relative') { relOffset = $(this).offset(); return false; } }); $target.prepend(''); } this._disabledInputs = $.map(this._disabledInputs, function(value) { return (value == target ? null : value); }); // delete entry this._disabledInputs[this._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; }, /* Retrieve the instance data for the target control. @param target element - the target input field or division or span @return object - the associated instance data @throws error if a jQuery problem getting data */ _getInst: function(target) { try { return $.data(target, PROP_NAME); } catch (err) { throw 'Missing instance data for this datepicker'; } }, /* 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 object - the new settings to update or string - the name of the setting to change or @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; } var inst = this._getInst(target); if (inst) { if (this._curInst == inst) { this._hideDatepicker(null); } extendRemove(inst.settings, settings); var date = new Date(); extendRemove(inst, {rangeStart: null, // start of range endDay: null, endMonth: null, endYear: null, // end of range selectedDay: date.getDate(), selectedMonth: date.getMonth(), selectedYear: date.getFullYear(), // starting point currentDay: date.getDate(), currentMonth: date.getMonth(), currentYear: date.getFullYear(), // current selection drawMonth: date.getMonth(), drawYear: date.getFullYear()}); // month being drawn this._updateDatepicker(inst); } }, /* Redraw the date picker attached to an input field or division. @param target element - the target input field or division or span */ _refreshDatepicker: function(target) { var inst = this._getInst(target); if (inst) { 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) { var inst = this._getInst(target); if (inst) { this._setDate(inst, date, endDate); this._updateDatepicker(inst); this._updateAlternate(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); if (inst && !inst.inline) this._setDateFromField(inst); return (inst ? this._getDate(inst) : null); }, /* Handle keystrokes. */ _doKeyDown: function(e) { var inst = $.datepicker._getInst(e.target); var handled = true; if ($.datepicker._datepickerShowing) switch (e.keyCode) { case 9: $.datepicker._hideDatepicker(null, ''); break; // hide on tab out case 13: $.datepicker._selectDay(e.target, inst.selectedMonth, inst.selectedYear, $('td.ui-datepicker-days-cell-over', inst.dpDiv)[0]); return false; // don't submit the form break; // select the value on enter case 27: $.datepicker._hideDatepicker(null, $.datepicker._get(inst, 'duration')); break; // hide on escape case 33: $.datepicker._adjustDate(e.target, (e.ctrlKey ? -$.datepicker._get(inst, 'stepBigMonths') : -$.datepicker._get(inst, 'stepMonths')), 'M'); break; // previous month/year on page up/+ ctrl case 34: $.datepicker._adjustDate(e.target, (e.ctrlKey ? +$.datepicker._get(inst, 'stepBigMonths') : +$.datepicker._get(inst, 'stepMonths')), 'M'); break; // next month/year on page down/+ ctrl case 35: if (e.ctrlKey) $.datepicker._clearDate(e.target); handled = e.ctrlKey; break; // clear on ctrl+end case 36: if (e.ctrlKey) $.datepicker._gotoToday(e.target); handled = e.ctrlKey; break; // current on ctrl+home case 37: if (e.ctrlKey) $.datepicker._adjustDate(e.target, -1, 'D'); handled = e.ctrlKey; break; // -1 day on ctrl+left case 38: if (e.ctrlKey) $.datepicker._adjustDate(e.target, -7, 'D'); handled = e.ctrlKey; break; // -1 week on ctrl+up case 39: if (e.ctrlKey) $.datepicker._adjustDate(e.target, +1, 'D'); handled = e.ctrlKey; break; // +1 day on ctrl+right case 40: if (e.ctrlKey) $.datepicker._adjustDate(e.target, +7, 'D'); handled = e.ctrlKey; break; // +1 week on ctrl+down default: handled = false; } else if (e.keyCode == 36 && e.ctrlKey) // display the date picker on ctrl+home $.datepicker._showDatepicker(this); else handled = false; if (handled) { e.preventDefault(); e.stopPropagation(); } }, /* Filter entered characters - based on date format. */ _doKeyPress: function(e) { var inst = $.datepicker._getInst(e.target); var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat')); var chr = String.fromCharCode(e.charCode == undefined ? e.keyCode : e.charCode); return e.ctrlKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1); }, /* Pop-up the date picker for a given input field. @param input element - the input field attached to the date picker or event - if triggered by focus */ _showDatepicker: function(input) { input = input.target || input; if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger input = $('input', input.parentNode)[0]; if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here return; var inst = $.datepicker._getInst(input); var beforeShow = $.datepicker._get(inst, 'beforeShow'); extendRemove(inst.settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {})); $.datepicker._hideDatepicker(null, ''); $.datepicker._lastInput = input; $.datepicker._setDateFromField(inst); if ($.datepicker._inDialog) // hide cursor input.value = ''; if (!$.datepicker._pos) { // position below input $.datepicker._pos = $.datepicker._findPos(input); $.datepicker._pos[1] += input.offsetHeight; // add the height } var isFixed = false; $(input).parents().each(function() { isFixed |= $(this).css('position') == 'fixed'; return !isFixed; }); if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled $.datepicker._pos[0] -= document.documentElement.scrollLeft; $.datepicker._pos[1] -= document.documentElement.scrollTop; } var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]}; $.datepicker._pos = null; inst.rangeStart = null; // determine sizing offscreen inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'}); $.datepicker._updateDatepicker(inst); // fix width for dynamic number of date pickers inst.dpDiv.width($.datepicker._getNumberOfMonths(inst)[1] * $('.ui-datepicker', inst.dpDiv[0])[0].offsetWidth); // and adjust position before showing offset = $.datepicker._checkOffset(inst, offset, isFixed); inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ? 'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none', left: offset.left + 'px', top: offset.top + 'px'}); if (!inst.inline) { var showAnim = $.datepicker._get(inst, 'showAnim') || 'show'; var duration = $.datepicker._get(inst, 'duration'); var postProcess = function() { $.datepicker._datepickerShowing = true; if ($.browser.msie && parseInt($.browser.version,10) < 7) // fix IE < 7 select problems $('iframe.ui-datepicker-cover').css({width: inst.dpDiv.width() + 4, height: inst.dpDiv.height() + 4}); }; if ($.effects && $.effects[showAnim]) inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess); else inst.dpDiv[showAnim](duration, postProcess); if (duration == '') postProcess(); if (inst.input[0].type != 'hidden') inst.input[0].focus(); $.datepicker._curInst = inst; } }, /* Generate the date picker content. */ _updateDatepicker: function(inst) { var dims = {width: inst.dpDiv.width() + 4, height: inst.dpDiv.height() + 4}; inst.dpDiv.empty().append(this._generateHTML(inst)). find('iframe.ui-datepicker-cover'). css({width: dims.width, height: dims.height}); var numMonths = this._getNumberOfMonths(inst); inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') + 'Class']('ui-datepicker-multi'); inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') + 'Class']('ui-datepicker-rtl'); if (inst.input && inst.input[0].type != 'hidden') $(inst.input[0]).focus(); }, /* Check positioning to remain on screen. */ _checkOffset: function(inst, offset, isFixed) { var pos = inst.input ? this._findPos(inst.input[0]) : null; var browserWidth = window.innerWidth || document.documentElement.clientWidth; var browserHeight = window.innerHeight || document.documentElement.clientHeight; var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft; var scrollY = document.documentElement.scrollTop || document.body.scrollTop; // reposition date picker horizontally if outside the browser window if (this._get(inst, 'isRTL') || (offset.left + inst.dpDiv.width() - scrollX) > browserWidth) offset.left = Math.max((isFixed ? 0 : scrollX), pos[0] + (inst.input ? inst.input.width() : 0) - (isFixed ? scrollX : 0) - inst.dpDiv.width() - (isFixed && $.browser.opera ? document.documentElement.scrollLeft : 0)); else offset.left -= (isFixed ? scrollX : 0); // reposition date picker vertically if outside the browser window if ((offset.top + inst.dpDiv.height() - scrollY) > browserHeight) offset.top = Math.max((isFixed ? 0 : scrollY), pos[1] - (isFixed ? scrollY : 0) - (this._inDialog ? 0 : inst.dpDiv.height()) - (isFixed && $.browser.opera ? document.documentElement.scrollTop : 0)); else offset.top -= (isFixed ? scrollY : 0); return offset; }, /* Find an object's position on the screen. */ _findPos: function(obj) { while (obj && (obj.type == 'hidden' || obj.nodeType != 1)) { obj = obj.nextSibling; } var position = $(obj).offset(); return [position.left, position.top]; }, /* Hide the date picker from view. @param input element - the input field attached to the date picker @param duration string - the duration over which to close the date picker */ _hideDatepicker: function(input, duration) { var inst = this._curInst; if (!inst || (input && inst != $.data(input, PROP_NAME))) return; var rangeSelect = this._get(inst, 'rangeSelect'); if (rangeSelect && inst.stayOpen) this._selectDate('#' + inst.id, this._formatDate(inst, inst.currentDay, inst.currentMonth, inst.currentYear)); inst.stayOpen = false; if (this._datepickerShowing) { duration = (duration != null ? duration : this._get(inst, 'duration')); var showAnim = this._get(inst, 'showAnim'); var postProcess = function() { $.datepicker._tidyDialog(inst); }; if (duration != '' && $.effects && $.effects[showAnim]) inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess); else inst.dpDiv[(duration == '' ? 'hide' : (showAnim == 'slideDown' ? 'slideUp' : (showAnim == 'fadeIn' ? 'fadeOut' : 'hide')))](duration, postProcess); if (duration == '') this._tidyDialog(inst); var onClose = this._get(inst, 'onClose'); if (onClose) onClose.apply((inst.input ? inst.input[0] : null), [(inst.input ? inst.input.val() : ''), inst]); // trigger custom callback this._datepickerShowing = false; this._lastInput = null; inst.settings.prompt = null; if (this._inDialog) { this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' }); if ($.blockUI) { $.unblockUI(); $('body').append(this.dpDiv); } } this._inDialog = false; } this._curInst = null; }, /* Tidy up after a dialog display. */ _tidyDialog: function(inst) { inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker'); $('.' + this._promptClass, inst.dpDiv).remove(); }, /* Close date picker if clicked elsewhere. */ _checkExternalClick: function(event) { if (!$.datepicker._curInst) return; var $target = $(event.target); if (($target.parents('#' + $.datepicker._mainDivId).length == 0) && !$target.hasClass($.datepicker.markerClassName) && !$target.hasClass($.datepicker._triggerClass) && $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI)) $.datepicker._hideDatepicker(null, ''); }, /* Adjust one of the date sub-fields. */ _adjustDate: function(id, offset, period) { var target = $(id); var inst = this._getInst(target[0]); this._adjustInstDate(inst, offset, period); this._updateDatepicker(inst); }, /* Action for current link. */ _gotoToday: function(id) { var target = $(id); var inst = this._getInst(target[0]); if (this._get(inst, 'gotoCurrent') && inst.currentDay) { inst.selectedDay = inst.currentDay; inst.drawMonth = inst.selectedMonth = inst.currentMonth; inst.drawYear = inst.selectedYear = inst.currentYear; } else { var date = new Date(); inst.selectedDay = date.getDate(); inst.drawMonth = inst.selectedMonth = date.getMonth(); inst.drawYear = inst.selectedYear = date.getFullYear(); } this._notifyChange(inst); this._adjustDate(target); }, /* Action for selecting a new month/year. */ _selectMonthYear: function(id, select, period) { var target = $(id); var inst = this._getInst(target[0]); inst._selectingMonthYear = false; inst['selected' + (period == 'M' ? 'Month' : 'Year')] = inst['draw' + (period == 'M' ? 'Month' : 'Year')] = parseInt(select.options[select.selectedIndex].value,10); this._notifyChange(inst); this._adjustDate(target); }, /* Restore input focus after not changing month/year. */ _clickMonthYear: function(id) { var target = $(id); var inst = this._getInst(target[0]); if (inst.input && inst._selectingMonthYear && !$.browser.msie) inst.input[0].focus(); inst._selectingMonthYear = !inst._selectingMonthYear; }, /* Action for changing the first week day. */ _changeFirstDay: function(id, day) { var target = $(id); var inst = this._getInst(target[0]); inst.settings.firstDay = day; this._updateDatepicker(inst); }, /* Action for selecting a day. */ _selectDay: function(id, month, year, td) { if ($(td).hasClass(this._unselectableClass)) return; var target = $(id); var inst = this._getInst(target[0]); var rangeSelect = this._get(inst, 'rangeSelect'); if (rangeSelect) { inst.stayOpen = !inst.stayOpen; if (inst.stayOpen) { $('.ui-datepicker td', inst.dpDiv).removeClass(this._currentClass); $(td).addClass(this._currentClass); } } inst.selectedDay = inst.currentDay = $('a', td).html(); inst.selectedMonth = inst.currentMonth = month; inst.selectedYear = inst.currentYear = year; if (inst.stayOpen) { inst.endDay = inst.endMonth = inst.endYear = null; } else if (rangeSelect) { inst.endDay = inst.currentDay; inst.endMonth = inst.currentMonth; inst.endYear = inst.currentYear; } this._selectDate(id, this._formatDate(inst, inst.currentDay, inst.currentMonth, inst.currentYear)); if (inst.stayOpen) { inst.rangeStart = new Date(inst.currentYear, inst.currentMonth, inst.currentDay); this._updateDatepicker(inst); } else if (rangeSelect) { inst.selectedDay = inst.currentDay = inst.rangeStart.getDate(); inst.selectedMonth = inst.currentMonth = inst.rangeStart.getMonth(); inst.selectedYear = inst.currentYear = inst.rangeStart.getFullYear(); inst.rangeStart = null; if (inst.inline) this._updateDatepicker(inst); } }, /* Erase the input field and hide the date picker. */ _clearDate: function(id) { var target = $(id); var inst = this._getInst(target[0]); if (this._get(inst, 'mandatory')) return; inst.stayOpen = false; inst.endDay = inst.endMonth = inst.endYear = inst.rangeStart = null; this._selectDate(target, ''); }, /* Update the input field with the selected date. */ _selectDate: function(id, dateStr) { var target = $(id); var inst = this._getInst(target[0]); dateStr = (dateStr != null ? dateStr : this._formatDate(inst)); if (this._get(inst, 'rangeSelect') && dateStr) dateStr = (inst.rangeStart ? this._formatDate(inst, inst.rangeStart) : dateStr) + this._get(inst, 'rangeSeparator') + dateStr; if (inst.input) inst.input.val(dateStr); this._updateAlternate(inst); var onSelect = this._get(inst, 'onSelect'); if (onSelect) onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]); // trigger custom callback else if (inst.input) inst.input.trigger('change'); // fire the change event if (inst.inline) this._updateDatepicker(inst); else if (!inst.stayOpen) { this._hideDatepicker(null, this._get(inst, 'duration')); this._lastInput = inst.input[0]; if (typeof(inst.input[0]) != 'object') inst.input[0].focus(); // restore focus this._lastInput = null; } }, /* Update any alternate field to synchronise with the main field. */ _updateAlternate: function(inst) { var altField = this._get(inst, 'altField'); if (altField) { // update alternate field too var altFormat = this._get(inst, 'altFormat'); var date = this._getDate(inst); dateStr = (isArray(date) ? (!date[0] && !date[1] ? '' : this.formatDate(altFormat, date[0], this._getFormatConfig(inst)) + this._get(inst, 'rangeSeparator') + this.formatDate( altFormat, date[1] || date[0], this._getFormatConfig(inst))) : this.formatDate(altFormat, date, this._getFormatConfig(inst))); $(altField).each(function() { $(this).val(dateStr); }); } }, /* Set as beforeShowDay function to prevent selection of weekends. @param date Date - the date to customise @return [boolean, string] - is this date selectable?, what is its CSS class? */ noWeekends: function(date) { var day = date.getDay(); return [(day > 0 && day < 6), '']; }, /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition. @param date Date - the date to get the week for @return number - the number of the week within the year that contains this date */ iso8601Week: function(date) { var checkDate = new Date(date.getFullYear(), date.getMonth(), date.getDate(), (date.getTimezoneOffset() / -60)); var firstMon = new Date(checkDate.getFullYear(), 1 - 1, 4); // First week always contains 4 Jan var firstDay = firstMon.getDay() || 7; // Day of week: Mon = 1, ..., Sun = 7 firstMon.setDate(firstMon.getDate() + 1 - firstDay); // Preceding Monday if (firstDay < 4 && checkDate < firstMon) { // Adjust first three days in year if necessary checkDate.setDate(checkDate.getDate() - 3); // Generate for previous year return $.datepicker.iso8601Week(checkDate); } else if (checkDate > new Date(checkDate.getFullYear(), 12 - 1, 28)) { // Check last three days in year firstDay = new Date(checkDate.getFullYear() + 1, 1 - 1, 4).getDay() || 7; if (firstDay > 4 && (checkDate.getDay() || 7) < firstDay - 3) { // Adjust if necessary return 1; } } return Math.floor(((checkDate - firstMon) / 86400000) / 7) + 1; // Weeks to given date }, /* Provide status text for a particular date. @param date the date to get the status for @param inst the current datepicker instance @return the status display text for this date */ dateStatus: function(date, inst) { return $.datepicker.formatDate($.datepicker._get(inst, 'dateStatus'), date, $.datepicker._getFormatConfig(inst)); }, /* Parse a string value into a date object. See formatDate below for the possible formats. @param format string - the expected format of the date @param value string - the date in the above format @param settings Object - attributes include: shortYearCutoff number - the cutoff year for determining the century (optional) dayNamesShort string[7] - abbreviated names of the days from Sunday (optional) dayNames string[7] - names of the days from Sunday (optional) monthNamesShort string[12] - abbreviated names of the months (optional) monthNames string[12] - names of the months (optional) @return Date - the extracted date value or null if value is blank */ parseDate: function (format, value, settings) { if (format == null || value == null) throw 'Invalid arguments'; value = (typeof value == 'object' ? value.toString() : value + ''); if (value == '') return null; var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff; var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort; var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames; var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort; var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames; var year = -1; var month = -1; var day = -1; var doy = -1; var literal = false; // Check whether a format character is doubled var lookAhead = function(match) { var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match); if (matches) iFormat++; return matches; }; // Extract a number from the string value var getNumber = function(match) { lookAhead(match); var origSize = (match == '@' ? 14 : (match == 'y' ? 4 : (match == 'o' ? 3 : 2))); var size = origSize; var num = 0; while (size > 0 && iValue < value.length && value.charAt(iValue) >= '0' && value.charAt(iValue) <= '9') { num = num * 10 + parseInt(value.charAt(iValue++),10); size--; } if (size == origSize) throw 'Missing number at position ' + iValue; return num; }; // Extract a name from the string value and convert to an index var getName = function(match, shortNames, longNames) { var names = (lookAhead(match) ? longNames : shortNames); var size = 0; for (var j = 0; j < names.length; j++) size = Math.max(size, names[j].length); var name = ''; var iInit = iValue; while (size > 0 && iValue < value.length) { name += value.charAt(iValue++); for (var i = 0; i < names.length; i++) if (name == names[i]) return i + 1; size--; } throw 'Unknown name at position ' + iInit; }; // Confirm that a literal character matches the string value var checkLiteral = function() { if (value.charAt(iValue) != format.charAt(iFormat)) throw 'Unexpected literal at position ' + iValue; iValue++; }; var iValue = 0; for (var iFormat = 0; iFormat < format.length; iFormat++) { if (literal) if (format.charAt(iFormat) == "'" && !lookAhead("'")) literal = false; else checkLiteral(); else switch (format.charAt(iFormat)) { case 'd': day = getNumber('d'); break; case 'D': getName('D', dayNamesShort, dayNames); break; case 'o': doy = getNumber('o'); break; case 'm': month = getNumber('m'); break; case 'M': month = getName('M', monthNamesShort, monthNames); break; case 'y': year = getNumber('y'); break; case '@': var date = new Date(getNumber('@')); year = date.getFullYear(); month = date.getMonth() + 1; day = date.getDate(); break; case "'": if (lookAhead("'")) checkLiteral(); else literal = true; break; default: checkLiteral(); } } if (year < 100) year += new Date().getFullYear() - new Date().getFullYear() % 100 + (year <= shortYearCutoff ? 0 : -100); if (doy > -1) { month = 1; day = doy; do { var dim = this._getDaysInMonth(year, month - 1); if (day <= dim) break; month++; day -= dim; } while (true); } var date = new Date(year, month - 1, day); if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day) throw 'Invalid date'; // E.g. 31/02/* return date; }, /* Standard date formats. */ ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601) COOKIE: 'D, dd M yy', ISO_8601: 'yy-mm-dd', RFC_822: 'D, d M y', RFC_850: 'DD, dd-M-y', RFC_1036: 'D, d M y', RFC_1123: 'D, d M yy', RFC_2822: 'D, d M yy', RSS: 'D, d M y', // RFC 822 TIMESTAMP: '@', W3C: 'yy-mm-dd', // ISO 8601 /* Format a date object into a string value. The format can be combinations of the following: d - day of month (no leading zero) dd - day of month (two digit) o - day of year (no leading zeros) oo - day of year (three digit) D - day name short DD - day name long m - month of year (no leading zero) mm - month of year (two digit) M - month name short MM - month name long y - year (two digit) yy - year (four digit) @ - Unix timestamp (ms since 01/01/1970) '...' - literal text '' - single quote @param format string - the desired format of the date @param date Date - the date value to format @param settings Object - attributes include: dayNamesShort string[7] - abbreviated names of the days from Sunday (optional) dayNames string[7] - names of the days from Sunday (optional) monthNamesShort string[12] - abbreviated names of the months (optional) monthNames string[12] - names of the months (optional) @return string - the date in the above format */ formatDate: function (format, date, settings) { if (!date) return ''; var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort; var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames; var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort; var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames; // Check whether a format character is doubled var lookAhead = function(match) { var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match); if (matches) iFormat++; return matches; }; // Format a number, with leading zero if necessary var formatNumber = function(match, value, len) { var num = '' + value; if (lookAhead(match)) while (num.length < len) num = '0' + num; return num; }; // Format a name, short or long as requested var formatName = function(match, value, shortNames, longNames) { return (lookAhead(match) ? longNames[value] : shortNames[value]); }; var output = ''; var literal = false; if (date) for (var iFormat = 0; iFormat < format.length; iFormat++) { if (literal) if (format.charAt(iFormat) == "'" && !lookAhead("'")) literal = false; else output += format.charAt(iFormat); else switch (format.charAt(iFormat)) { case 'd': output += formatNumber('d', date.getDate(), 2); break; case 'D': output += formatName('D', date.getDay(), dayNamesShort, dayNames); break; case 'o': var doy = date.getDate(); for (var m = date.getMonth() - 1; m >= 0; m--) doy += this._getDaysInMonth(date.getFullYear(), m); output += formatNumber('o', doy, 3); break; case 'm': output += formatNumber('m', date.getMonth() + 1, 2); break; case 'M': output += formatName('M', date.getMonth(), monthNamesShort, monthNames); break; case 'y': output += (lookAhead('y') ? date.getFullYear() : (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100); break; case '@': output += date.getTime(); break; case "'": if (lookAhead("'")) output += "'"; else literal = true; break; default: output += format.charAt(iFormat); } } return output; }, /* Extract all possible characters from the date format. */ _possibleChars: function (format) { var chars = ''; var literal = false; for (var iFormat = 0; iFormat < format.length; iFormat++) if (literal) if (format.charAt(iFormat) == "'" && !lookAhead("'")) literal = false; else chars += format.charAt(iFormat); else switch (format.charAt(iFormat)) { case 'd': case 'm': case 'y': case '@': chars += '0123456789'; break; case 'D': case 'M': return null; // Accept anything case "'": if (lookAhead("'")) chars += "'"; else literal = true; break; default: chars += format.charAt(iFormat); } return chars; }, /* Get a setting value, defaulting if necessary. */ _get: function(inst, name) { return inst.settings[name] !== undefined ? inst.settings[name] : this._defaults[name]; }, /* Parse existing date and initialise date picker. */ _setDateFromField: function(inst) { var dateFormat = this._get(inst, 'dateFormat'); var dates = inst.input ? inst.input.val().split(this._get(inst, 'rangeSeparator')) : null; inst.endDay = inst.endMonth = inst.endYear = null; var date = defaultDate = this._getDefaultDate(inst); if (dates.length > 0) { var settings = this._getFormatConfig(inst); if (dates.length > 1) { date = this.parseDate(dateFormat, dates[1], settings) || defaultDate; inst.endDay = date.getDate(); inst.endMonth = date.getMonth(); inst.endYear = date.getFullYear(); } try { date = this.parseDate(dateFormat, dates[0], settings) || defaultDate; } catch (e) { this.log(e); date = defaultDate; } } inst.selectedDay = date.getDate(); inst.drawMonth = inst.selectedMonth = date.getMonth(); inst.drawYear = inst.selectedYear = date.getFullYear(); inst.currentDay = (dates[0] ? date.getDate() : 0); inst.currentMonth = (dates[0] ? date.getMonth() : 0); inst.currentYear = (dates[0] ? date.getFullYear() : 0); this._adjustInstDate(inst); }, /* Retrieve the default date shown on opening. */ _getDefaultDate: function(inst) { var date = this._determineDate(this._get(inst, 'defaultDate'), new Date()); var minDate = this._getMinMaxDate(inst, 'min', true); var maxDate = this._getMinMaxDate(inst, 'max'); date = (minDate && date < minDate ? minDate : date); date = (maxDate && date > maxDate ? maxDate : date); return date; }, /* A date may be specified as an exact value or a relative one. */ _determineDate: function(date, defaultDate) { var offsetNumeric = function(offset) { var date = new Date(); date.setUTCDate(date.getUTCDate() + offset); return date; }; var offsetString = function(offset, getDaysInMonth) { var date = new Date(); var year = date.getFullYear(); var month = date.getMonth(); var day = date.getDate(); var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g; var matches = pattern.exec(offset); while (matches) { switch (matches[2] || 'd') { case 'd' : case 'D' : day += parseInt(matches[1],10); break; case 'w' : case 'W' : day += parseInt(matches[1],10) * 7; break; case 'm' : case 'M' : month += parseInt(matches[1],10); day = Math.min(day, getDaysInMonth(year, month)); break; case 'y': case 'Y' : year += parseInt(matches[1],10); day = Math.min(day, getDaysInMonth(year, month)); break; } matches = pattern.exec(offset); } return new Date(year, month, day); }; date = (date == null ? defaultDate : (typeof date == 'string' ? offsetString(date, this._getDaysInMonth) : (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : date))); return (date && date.toString() == 'Invalid Date' ? defaultDate : date); }, /* Set the date(s) directly. */ _setDate: function(inst, date, endDate) { var clear = !(date); var origMonth = inst.selectedMonth; var origYear = inst.selectedYear; date = this._determineDate(date, new Date()); inst.selectedDay = inst.currentDay = date.getDate(); inst.drawMonth = inst.selectedMonth = inst.currentMonth = date.getMonth(); inst.drawYear = inst.selectedYear = inst.currentYear = date.getFullYear(); if (this._get(inst, 'rangeSelect')) { if (endDate) { endDate = this._determineDate(endDate, null); inst.endDay = endDate.getDate(); inst.endMonth = endDate.getMonth(); inst.endYear = endDate.getFullYear(); } else { inst.endDay = inst.currentDay; inst.endMonth = inst.currentMonth; inst.endYear = inst.currentYear; } } if (origMonth != inst.selectedMonth || origYear != inst.selectedYear) this._notifyChange(inst); this._adjustInstDate(inst); if (inst.input) inst.input.val(clear ? '' : this._formatDate(inst) + (!this._get(inst, 'rangeSelect') ? '' : this._get(inst, 'rangeSeparator') + this._formatDate(inst, inst.endDay, inst.endMonth, inst.endYear))); }, /* Retrieve the date(s) directly. */ _getDate: function(inst) { var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null : new Date(inst.currentYear, inst.currentMonth, inst.currentDay)); if (this._get(inst, 'rangeSelect')) { return [inst.rangeStart || startDate, (!inst.endYear ? inst.rangeStart || startDate : new Date(inst.endYear, inst.endMonth, inst.endDay))]; } else return startDate; }, /* Generate the HTML for the current state of the date picker. */ _generateHTML: function(inst) { var today = new Date(); today = new Date(today.getFullYear(), today.getMonth(), today.getDate()); // clear time var showStatus = this._get(inst, 'showStatus'); var initStatus = this._get(inst, 'initStatus') || ' '; var isRTL = this._get(inst, 'isRTL'); // build the date picker HTML var clear = (this._get(inst, 'mandatory') ? '' : ''); var controls = '' + this._get(inst, 'weekHeader') + ' | ' : ''); for (var dow = 0; dow < 7; dow++) { // days of the week var day = (dow + firstDay) % 7; var dayStatus = (status.indexOf('DD') > -1 ? status.replace(/DD/, dayNames[day]) : status.replace(/D/, dayNamesShort[day])); html += '= 5 ? ' class="ui-datepicker-week-end-cell"' : '') + '>' + (!changeFirstDay ? '' + dayNamesMin[day] + (changeFirstDay ? '' : '') + ' | '; } html += '
' + calculateWeek(printDate) + ' | ' : ''); for (var dow = 0; dow < 7; dow++) { // create date picker days var daySettings = (beforeShowDay ? beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']); var otherMonth = (printDate.getMonth() != drawMonth); var unselectable = otherMonth || !daySettings[0] || (minDate && printDate < minDate) || (maxDate && printDate > maxDate); html += '' + // actions (otherMonth ? (showOtherMonths ? printDate.getDate() : ' ') : // display for other months (unselectable ? printDate.getDate() : '' + printDate.getDate() + '')) + ' | '; // display for this month tzDate.setDate(tzDate.getDate() + 1); utcDate.setUTCDate(utcDate.getUTCDate() + 1); printDate = (tzDate > utcDate ? tzDate : utcDate); } html += '