查看文件: ui.datepicker.js
大小: 61.25 KB
类型: application/javascript
/* jQuery UI Date Picker v3.4.3 (previously jQuery Calendar) Written by Marc Grabanski (m@marcgrabanski.com) and Keith Wood (kbwood@virginbroadband.com.au). Copyright (c) 2007 Marc Grabanski (http://marcgrabanski.com/code/ui-datepicker) Dual licensed under the MIT (MIT-LICENSE.txt) and GPL (GPL-LICENSE.txt) licenses. Date: 09-03-2007 */ ;(function($) { // hide the namespace /* 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 (DatepickerInstance), allowing multiple different settings on the same page. */ function Datepicker() { this.debug = false; // Change this to true to start debugging this._nextId = 0; // Next ID for a date picker instance this._inst = []; // List of instances indexed by ID 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.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 nextText: 'Next>', // Display text for next month link nextStatus: 'Show the next month', // Status text for next month 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 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 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 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 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 speed: 'normal', // Speed 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 '', 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 onClose: null, // Define a callback function when the datepicker is closed numberOfMonths: 1, // Number of months to show at a time stepMonths: 1, // Number of months to step back/forward rangeSelect: false, // Allows for selecting a date range on one date picker rangeSeparator: ' - ' // Text between two dates in a range }; $.extend(this._defaults, this.regional['']); this._datepickerDiv = $('<div id="datepicker_div">'); } $.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('<span class="datepicker_append">' + appendText); else input.after('<span class="datepicker_append">' + 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('<span class="datepicker_wrap">'); var buttonText = inst._get('buttonText'); var buttonImage = inst._get('buttonImage'); var trigger = $(inst._get('buttonImageOnly') ? $('<img>').addClass('datepicker_trigger').attr({ src: buttonImage, alt: buttonText, title: buttonText }) : $('<button>').addClass('datepicker_trigger').attr({ type: 'button' }).html(buttonImage != '' ? $('<img>').attr({ src:buttonImage, alt:buttonText, title:buttonText }) : buttonText)); if (isRTL) input.before(trigger); else input.after(trigger); trigger.click(function() { if ($.datepicker._datepickerShowing && $.datepicker._lastInput == target) $.datepicker._hideDatepicker(); else $.datepicker._showDatepicker(target); }); } 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 inst._get(key); }); input[0]._calId = inst._id; }, /* Attach an inline date picker to a div. */ _inlineDatepicker: function(target, inst) { var input = $(target); if (input.is('.' + this.markerClassName)) return; input.addClass(this.markerClassName).append(inst._datepickerDiv) .bind("setData.datepicker", function(event, key, value){ inst._settings[key] = value; }).bind("getData.datepicker", function(event, key){ return inst._get(key); }); input[0]._calId = inst._id; this._updateDatepicker(inst); }, /* Tidy up after displaying the date picker. */ _inlineShow: function(inst) { var numMonths = inst._getNumberOfMonths(); // fix width for dynamic number of date pickers inst._datepickerDiv.width(numMonths[1] * $('.datepicker', inst._datepickerDiv[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) { inst = this._dialogInst = new DatepickerInstance({}, false); this._dialogInput = $('<input type="text" size="1" style="position: absolute; top: -100px;"/>'); this._dialogInput.keydown(this._doKeyDown); $('body').append(this._dialogInput); this._dialogInput[0]._calId = inst._id; } extendRemove(inst._settings, settings || {}); this._dialogInput.val(dateText); this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null); if (!this._pos) { var browserWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth; var browserHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight; var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft; var scrollY = document.documentElement.scrollTop || document.body.scrollTop; this._pos = // should use actual width/height below [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY]; } // move input on screen for focus, but hidden behind dialog this._dialogInput.css('left', this._pos[0] + 'px').css('top', this._pos[1] + 'px'); inst._settings.onSelect = onSelect; this._inDialog = true; this._datepickerDiv.addClass('datepicker_dialog'); this._showDatepicker(this._dialogInput[0]); if ($.blockUI) $.blockUI(this._datepickerDiv); return this; }, /* 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._calId); var beforeShow = inst._get('beforeShow'); extendRemove(inst._settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {})); $.datepicker._hideDatepicker(null, ''); $.datepicker._lastInput = input; inst._setDateFromField(input); if ($.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'; }); if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled $.datepicker._pos[0] -= document.documentElement.scrollLeft; $.datepicker._pos[1] -= document.documentElement.scrollTop; } inst._datepickerDiv.css('position', ($.datepicker._inDialog && $.blockUI ? 'static' : (isFixed ? 'fixed' : 'absolute'))) .css({ left: $.datepicker._pos[0] + 'px', top: $.datepicker._pos[1] + 'px' }); $.datepicker._pos = null; inst._rangeStart = null; $.datepicker._updateDatepicker(inst); if (!inst._inline) { var speed = inst._get('speed'); var postProcess = function() { $.datepicker._datepickerShowing = true; $.datepicker._afterShow(inst); }; var showAnim = inst._get('showAnim') || 'show'; inst._datepickerDiv[showAnim](speed, postProcess); if (speed == '') postProcess(); if (inst._input[0].type != 'hidden') inst._input[0].focus(); $.datepicker._curInst = inst; } }, /* Generate the date picker content. */ _updateDatepicker: function(inst) { inst._datepickerDiv.empty().append(inst._generateDatepicker()); var numMonths = inst._getNumberOfMonths(); if (numMonths[0] != 1 || numMonths[1] != 1) inst._datepickerDiv.addClass('datepicker_multi'); else inst._datepickerDiv.removeClass('datepicker_multi'); if (inst._get('isRTL')) inst._datepickerDiv.addClass('datepicker_rtl'); else inst._datepickerDiv.removeClass('datepicker_rtl'); if (inst._input && inst._input[0].type != 'hidden') inst._input[0].focus(); }, /* Tidy up after displaying the date picker. */ _afterShow: function(inst) { var numMonths = inst._getNumberOfMonths(); // fix width for dynamic number of date pickers inst._datepickerDiv.width(numMonths[1] * $('.datepicker', inst._datepickerDiv[0])[0].offsetWidth); if ($.browser.msie && parseInt($.browser.version) < 7) { // fix IE < 7 select problems $('#datepicker_cover').css({width: inst._datepickerDiv.width() + 4, height: inst._datepickerDiv.height() + 4}); } // re-position on screen if necessary var isFixed = inst._datepickerDiv.css('position') == 'fixed'; var pos = inst._input ? $.datepicker._findPos(inst._input[0]) : null; var browserWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth; var browserHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight; var scrollX = (isFixed ? 0 : document.documentElement.scrollLeft || document.body.scrollLeft); var scrollY = (isFixed ? 0 : document.documentElement.scrollTop || document.body.scrollTop); // reposition date picker horizontally if outside the browser window if ((inst._datepickerDiv.offset().left + inst._datepickerDiv.width() - (isFixed && $.browser.msie ? document.documentElement.scrollLeft : 0)) > (browserWidth + scrollX)) { inst._datepickerDiv.css('left', Math.max(scrollX, pos[0] + (inst._input ? $(inst._input[0]).width() : null) - inst._datepickerDiv.width() - (isFixed && $.browser.opera ? document.documentElement.scrollLeft : 0)) + 'px'); } // reposition date picker vertically if outside the browser window if ((inst._datepickerDiv.offset().top + inst._datepickerDiv.height() - (isFixed && $.browser.msie ? document.documentElement.scrollTop : 0)) > (browserHeight + scrollY) ) { inst._datepickerDiv.css('top', Math.max(scrollY, pos[1] - (this._inDialog ? 0 : inst._datepickerDiv.height()) - (isFixed && $.browser.opera ? document.documentElement.scrollTop : 0)) + 'px'); } }, /* 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 speed string - the speed at which to close the date picker */ _hideDatepicker: function(input, speed) { var inst = this._curInst; if (!inst) return; var rangeSelect = inst._get('rangeSelect'); if (rangeSelect && this._stayOpen) { this._selectDate(inst, inst._formatDate( inst._currentDay, inst._currentMonth, inst._currentYear)); } this._stayOpen = false; if (this._datepickerShowing) { speed = (speed != null ? speed : inst._get('speed')); var showAnim = inst._get('showAnim'); inst._datepickerDiv[(showAnim == 'slideDown' ? 'slideUp' : (showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))](speed, function() { $.datepicker._tidyDialog(inst); }); if (speed == '') this._tidyDialog(inst); var onClose = inst._get('onClose'); if (onClose) { onClose.apply((inst._input ? inst._input[0] : null), [inst._getDate(), inst]); // trigger custom callback } this._datepickerShowing = false; this._lastInput = null; inst._settings.prompt = null; if (this._inDialog) { this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' }); if ($.blockUI) { $.unblockUI(); $('body').append(this._datepickerDiv); } } this._inDialog = false; } this._curInst = null; }, /* Tidy up after a dialog display. */ _tidyDialog: function(inst) { inst._datepickerDiv.removeClass('datepicker_dialog').unbind('.datepicker'); $('.datepicker_prompt', inst._datepickerDiv).remove(); }, /* Close date picker if clicked elsewhere. */ _checkExternalClick: function(event) { if (!$.datepicker._curInst) return; var $target = $(event.target); if (($target.parents("#datepicker_div").length == 0) && ($target.attr('class') != 'datepicker_trigger') && $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI)) { $.datepicker._hideDatepicker(null, ''); } }, /* Adjust one of the date sub-fields. */ _adjustDate: function(id, offset, period) { var inst = this._getInst(id); inst._adjustDate(offset, period); this._updateDatepicker(inst); }, /* Action for current link. */ _gotoToday: function(id) { var date = new Date(); var inst = this._getInst(id); inst._selectedDay = date.getDate(); inst._drawMonth = inst._selectedMonth = date.getMonth(); inst._drawYear = inst._selectedYear = date.getFullYear(); this._adjustDate(inst); }, /* Action for selecting a new month/year. */ _selectMonthYear: function(id, select, period) { var inst = this._getInst(id); inst._selectingMonthYear = false; inst[period == 'M' ? '_drawMonth' : '_drawYear'] = select.options[select.selectedIndex].value - 0; this._adjustDate(inst); }, /* Restore input focus after not changing month/year. */ _clickMonthYear: function(id) { var inst = this._getInst(id); if (inst._input && inst._selectingMonthYear && !$.browser.msie) inst._input[0].focus(); inst._selectingMonthYear = !inst._selectingMonthYear; }, /* Action for changing the first week day. */ _changeFirstDay: function(id, day) { var inst = this._getInst(id); inst._settings.firstDay = day; this._updateDatepicker(inst); }, /* Action for selecting a day. */ _selectDay: function(id, month, year, td) { if ($(td).is('.datepicker_unselectable')) return; var inst = this._getInst(id); var rangeSelect = inst._get('rangeSelect'); if (rangeSelect) { if (!this._stayOpen) { $('.datepicker td').removeClass('datepicker_currentDay'); $(td).addClass('datepicker_currentDay'); } this._stayOpen = !this._stayOpen; } inst._selectedDay = inst._currentDay = $('a', td).html(); inst._selectedMonth = inst._currentMonth = month; inst._selectedYear = inst._currentYear = year; this._selectDate(id, inst._formatDate( inst._currentDay, inst._currentMonth, inst._currentYear)); if (this._stayOpen) { inst._endDay = inst._endMonth = inst._endYear = null; inst._rangeStart = new Date(inst._currentYear, inst._currentMonth, inst._currentDay); this._updateDatepicker(inst); } else if (rangeSelect) { inst._endDay = inst._currentDay; inst._endMonth = inst._currentMonth; inst._endYear = inst._currentYear; 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 inst = this._getInst(id); if (inst._get('mandatory')) return; this._stayOpen = false; inst._endDay = inst._endMonth = inst._endYear = inst._rangeStart = null; this._selectDate(inst, ''); }, /* Update the input field with the selected date. */ _selectDate: function(id, dateStr) { var inst = this._getInst(id); dateStr = (dateStr != null ? dateStr : inst._formatDate()); if (inst._rangeStart) dateStr = inst._formatDate(inst._rangeStart) + inst._get('rangeSeparator') + dateStr; if (inst._input) inst._input.val(dateStr); var onSelect = inst._get('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 (!this._stayOpen) { this._hideDatepicker(null, inst._get('speed')); this._lastInput = inst._input[0]; if (typeof(inst._input[0]) != 'object') inst._input[0].focus(); // restore focus this._lastInput = null; } }, /* 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 checkDate.setDate(checkDate.getDate() + 3); // Generate for next year return $.datepicker.iso8601Week(checkDate); } } 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(inst._get('dateStatus'), date, inst._getFormatConfig()); }, /* Parse a string value into a date object. The format can be combinations of the following: d - day of month (no leading zero) dd - day of month (two 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) '...' - literal text '' - single quote @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 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 size = (match == 'y' ? 4 : 2); var num = 0; while (size > 0 && iValue < value.length && value.charAt(iValue) >= '0' && value.charAt(iValue) <= '9') { num = num * 10 + (value.charAt(iValue++) - 0); size--; } if (size == (match == 'y' ? 4 : 2)) 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 'm': month = getNumber('m'); break; case 'M': month = getName('M', monthNamesShort, monthNames); break; case 'y': year = getNumber('y'); 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); } 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; }, /* 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) 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) '...' - 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) { return (lookAhead(match) && value < 10 ? '0' : '') + value; }; // 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()); break; case 'D': output += formatName('D', date.getDay(), dayNamesShort, dayNames); break; case 'm': output += formatNumber('m', date.getMonth() + 1); 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 "'": 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' || 'm' || 'y': chars += '0123456789'; break; case 'D' || 'M': return null; // Accept anything case "'": if (lookAhead("'")) chars += "'"; else literal = true; break; default: chars += format.charAt(iFormat); } return chars; } }); /* Individualised settings for date picker functionality applied to one or more related inputs. Instances are managed and manipulated through the Datepicker manager. */ function DatepickerInstance(settings, inline) { this._id = $.datepicker._register(this); this._selectedDay = 0; // Current date for selection this._selectedMonth = 0; // 0-11 this._selectedYear = 0; // 4-digit year this._drawMonth = 0; // Current month at start of datepicker this._drawYear = 0; this._input = null; // The attached input field this._inline = inline; // True if showing inline, false if used in a popup this._datepickerDiv = (!inline ? $.datepicker._datepickerDiv : $('<div id="datepicker_div_' + this._id + '" class="datepicker_inline">')); // customise the date picker object - uses manager defaults if not overridden this._settings = extendRemove(settings || {}); // clone if (inline) this._setDate(this._getDefaultDate()); } $.extend(DatepickerInstance.prototype, { /* Get a setting value, defaulting if necessary. */ _get: function(name) { return this._settings[name] || $.datepicker._defaults[name]; }, /* Parse existing date and initialise date picker. */ _setDateFromField: function(input) { this._input = $(input); var dateFormat = this._get('dateFormat'); var dates = this._input ? this._input.val().split(this._get('rangeSeparator')) : null; this._endDay = this._endMonth = this._endYear = null; var date = defaultDate = this._getDefaultDate(); if (dates.length > 0) { var settings = this._getFormatConfig(); if (dates.length > 1) { date = $.datepicker.parseDate(dateFormat, dates[1], settings) || defaultDate; this._endDay = date.getDate(); this._endMonth = date.getMonth(); this._endYear = date.getFullYear(); } try { date = $.datepicker.parseDate(dateFormat, dates[0], settings) || defaultDate; } catch (e) { $.datepicker.log(e); date = defaultDate; } } this._selectedDay = date.getDate(); this._drawMonth = this._selectedMonth = date.getMonth(); this._drawYear = this._selectedYear = date.getFullYear(); this._currentDay = (dates[0] ? date.getDate() : 0); this._currentMonth = (dates[0] ? date.getMonth() : 0); this._currentYear = (dates[0] ? date.getFullYear() : 0); this._adjustDate(); }, /* Retrieve the default date shown on opening. */ _getDefaultDate: function() { var date = this._determineDate('defaultDate', new Date()); var minDate = this._getMinMaxDate('min', true); var maxDate = this._getMinMaxDate('max'); date = (minDate && date < minDate ? minDate : date); date = (maxDate && date > maxDate ? maxDate : date); return date; }, /* A date may be specified as an exact value or a relative one. */ _determineDate: function(name, defaultDate) { var offsetNumeric = function(offset) { var date = new Date(); date.setDate(date.getDate() + offset); return date; }; var offsetString = function(offset, getDaysInMonth) { var date = new Date(); var matches = /^([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?$/.exec(offset); if (matches) { var year = date.getFullYear(); var month = date.getMonth(); var day = date.getDate(); switch (matches[2] || 'd') { case 'd' : case 'D' : day += (matches[1] - 0); break; case 'w' : case 'W' : day += (matches[1] * 7); break; case 'm' : case 'M' : month += (matches[1] - 0); day = Math.min(day, getDaysInMonth(year, month)); break; case 'y': case 'Y' : year += (matches[1] - 0); day = Math.min(day, getDaysInMonth(year, month)); break; } date = new Date(year, month, day); } return date; }; var date = this._get(name); return (date == null ? defaultDate : (typeof date == 'string' ? offsetString(date, this._getDaysInMonth) : (typeof date == 'number' ? offsetNumeric(date) : date))); }, /* Set the date(s) directly. */ _setDate: function(date, endDate) { this._selectedDay = this._currentDay = date.getDate(); this._drawMonth = this._selectedMonth = this._currentMonth = date.getMonth(); this._drawYear = this._selectedYear = this._currentYear = date.getFullYear(); if (this._get('rangeSelect')) { if (endDate) { this._endDay = endDate.getDate(); this._endMonth = endDate.getMonth(); this._endYear = endDate.getFullYear(); } else { this._endDay = this._currentDay; this._endMonth = this._currentMonth; this._endYear = this._currentYear; } } this._adjustDate(); }, /* Retrieve the date(s) directly. */ _getDate: function() { var startDate = (!this._currentYear || (this._input && this._input.val() == '') ? null : new Date(this._currentYear, this._currentMonth, this._currentDay)); if (this._get('rangeSelect')) { return [startDate, (!this._endYear ? null : new Date(this._endYear, this._endMonth, this._endDay))]; } else return startDate; }, /* Generate the HTML for the current state of the date picker. */ _generateDatepicker: function() { var today = new Date(); today = new Date(today.getFullYear(), today.getMonth(), today.getDate()); // clear time var showStatus = this._get('showStatus'); var isRTL = this._get('isRTL'); // build the date picker HTML var clear = (this._get('mandatory') ? '' : '<div class="datepicker_clear"><a onclick="jQuery.datepicker._clearDate(' + this._id + ');"' + (showStatus ? this._addStatus(this._get('clearStatus') || ' ') : '') + '>' + this._get('clearText') + '</a></div>'); var controls = '<div class="datepicker_control">' + (isRTL ? '' : clear) + '<div class="datepicker_close"><a onclick="jQuery.datepicker._hideDatepicker();"' + (showStatus ? this._addStatus(this._get('closeStatus') || ' ') : '') + '>' + this._get('closeText') + '</a></div>' + (isRTL ? clear : '') + '</div>'; var prompt = this._get('prompt'); var closeAtTop = this._get('closeAtTop'); var hideIfNoPrevNext = this._get('hideIfNoPrevNext'); var numMonths = this._getNumberOfMonths(); var stepMonths = this._get('stepMonths'); var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1); var minDate = this._getMinMaxDate('min', true); var maxDate = this._getMinMaxDate('max'); var drawMonth = this._drawMonth; var drawYear = this._drawYear; if (maxDate) { var maxDraw = new Date(maxDate.getFullYear(), maxDate.getMonth() - numMonths[1] + 1, maxDate.getDate()); maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw); while (new Date(drawYear, drawMonth, 1) > maxDraw) { drawMonth--; if (drawMonth < 0) { drawMonth = 11; drawYear--; } } } // controls and links var prev = '<div class="datepicker_prev">' + (this._canAdjustMonth(-1, drawYear, drawMonth) ? '<a onclick="jQuery.datepicker._adjustDate(' + this._id + ', -' + stepMonths + ', \'M\');"' + (showStatus ? this._addStatus(this._get('prevStatus') || ' ') : '') + '>' + this._get('prevText') + '</a>' : (hideIfNoPrevNext ? '' : '<label>' + this._get('prevText') + '</label>')) + '</div>'; var next = '<div class="datepicker_next">' + (this._canAdjustMonth(+1, drawYear, drawMonth) ? '<a onclick="jQuery.datepicker._adjustDate(' + this._id + ', +' + stepMonths + ', \'M\');"' + (showStatus ? this._addStatus(this._get('nextStatus') || ' ') : '') + '>' + this._get('nextText') + '</a>' : (hideIfNoPrevNext ? '>' : '<label>' + this._get('nextText') + '</label>')) + '</div>'; var html = (prompt ? '<div class="datepicker_prompt">' + prompt + '</div>' : '') + (closeAtTop && !this._inline ? controls : '') + '<div class="datepicker_links">' + (isRTL ? next : prev) + (this._isInRange(today) ? '<div class="datepicker_current">' + '<a onclick="jQuery.datepicker._gotoToday(' + this._id + ');"' + (showStatus ? this._addStatus(this._get('currentStatus') || ' ') : '') + '>' + this._get('currentText') + '</a></div>' : '') + (isRTL ? prev : next) + '</div>'; var showWeeks = this._get('showWeeks'); for (var row = 0; row < numMonths[0]; row++) for (var col = 0; col < numMonths[1]; col++) { var selectedDate = new Date(drawYear, drawMonth, this._selectedDay); html += '<div class="datepicker_oneMonth' + (col == 0 ? ' datepicker_newRow' : '') + '">' + this._generateMonthYearHeader(drawMonth, drawYear, minDate, maxDate, selectedDate, row > 0 || col > 0) + // draw month headers '<table class="datepicker" cellpadding="0" cellspacing="0"><thead>' + '<tr class="datepicker_titleRow">' + (showWeeks ? '<td>' + this._get('weekHeader') + '</td>' : ''); var firstDay = this._get('firstDay'); var changeFirstDay = this._get('changeFirstDay'); var dayNames = this._get('dayNames'); var dayNamesShort = this._get('dayNamesShort'); var dayNamesMin = this._get('dayNamesMin'); for (var dow = 0; dow < 7; dow++) { // days of the week var day = (dow + firstDay) % 7; var status = this._get('dayStatus') || ' '; status = (status.indexOf('DD') > -1 ? status.replace(/DD/, dayNames[day]) : status.replace(/D/, dayNamesShort[day])); html += '<td' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="datepicker_weekEndCell"' : '') + '>' + (!changeFirstDay ? '<span' : '<a onclick="jQuery.datepicker._changeFirstDay(' + this._id + ', ' + day + ');"') + (showStatus ? this._addStatus(status) : '') + ' title="' + dayNames[day] + '">' + dayNamesMin[day] + (changeFirstDay ? '</a>' : '</span>') + '</td>'; } html += '</tr></thead><tbody>'; var daysInMonth = this._getDaysInMonth(drawYear, drawMonth); if (drawYear == this._selectedYear && drawMonth == this._selectedMonth) { this._selectedDay = Math.min(this._selectedDay, daysInMonth); } var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7; var currentDate = (!this._currentDay ? new Date(9999, 9, 9) : new Date(this._currentYear, this._currentMonth, this._currentDay)); var endDate = this._endDay ? new Date(this._endYear, this._endMonth, this._endDay) : currentDate; var printDate = new Date(drawYear, drawMonth, 1 - leadDays); var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate var beforeShowDay = this._get('beforeShowDay'); var showOtherMonths = this._get('showOtherMonths'); var calculateWeek = this._get('calculateWeek') || $.datepicker.iso8601Week; var dateStatus = this._get('statusForDate') || $.datepicker.dateStatus; for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows html += '<tr class="datepicker_daysRow">' + (showWeeks ? '<td class="datepicker_weekCol">' + calculateWeek(printDate) + '</td>' : ''); for (var dow = 0; dow < 7; dow++) { // create date picker days var daySettings = (beforeShowDay ? beforeShowDay.apply((this._input ? this._input[0] : null), [printDate]) : [true, '']); var otherMonth = (printDate.getMonth() != drawMonth); var unselectable = otherMonth || !daySettings[0] || (minDate && printDate < minDate) || (maxDate && printDate > maxDate); html += '<td class="datepicker_daysCell' + ((dow + firstDay + 6) % 7 >= 5 ? ' datepicker_weekEndCell' : '') + // highlight weekends (otherMonth ? ' datepicker_otherMonth' : '') + // highlight days from other months (printDate.getTime() == selectedDate.getTime() && drawMonth == this._selectedMonth ? ' datepicker_daysCellOver' : '') + // highlight selected day (unselectable ? ' datepicker_unselectable' : '') + // highlight unselectable days (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates (printDate.getTime() >= currentDate.getTime() && printDate.getTime() <= endDate.getTime() ? // in current range ' datepicker_currentDay' : '') + // highlight selected day (printDate.getTime() == today.getTime() ? ' datepicker_today' : '')) + '"' + // highlight today (if different) (unselectable ? '' : ' onmouseover="jQuery(this).addClass(\'datepicker_daysCellOver\');' + (!showStatus || (otherMonth && !showOtherMonths) ? '' : 'jQuery(\'#datepicker_status_' + this._id + '\').html(\'' + (dateStatus.apply((this._input ? this._input[0] : null), [printDate, this]) || ' ') +'\');') + '"' + ' onmouseout="jQuery(this).removeClass(\'datepicker_daysCellOver\');' + (!showStatus || (otherMonth && !showOtherMonths) ? '' : 'jQuery(\'#datepicker_status_' + this._id + '\').html(\' \');') + '" onclick="jQuery.datepicker._selectDay(' + this._id + ',' + drawMonth + ',' + drawYear + ', this);"') + '>' + // actions (otherMonth ? (showOtherMonths ? printDate.getDate() : ' ') : // display for other months (unselectable ? printDate.getDate() : '<a>' + printDate.getDate() + '</a>')) + '</td>'; // display for this month printDate.setDate(printDate.getDate() + 1); } html += '</tr>'; } drawMonth++; if (drawMonth > 11) { drawMonth = 0; drawYear++; } html += '</tbody></table></div>'; } html += (showStatus ? '<div id="datepicker_status_' + this._id + '" class="datepicker_status">' + (this._get('initStatus') || ' ') + '</div>' : '') + (!closeAtTop && !this._inline ? controls : '') + '<div style="clear: both;"></div>' + ($.browser.msie && parseInt($.browser.version) < 7 && !this._inline ? '<iframe src="javascript:false;" class="datepicker_cover"></iframe>' : ''); return html; }, /* Generate the month and year header. */ _generateMonthYearHeader: function(drawMonth, drawYear, minDate, maxDate, selectedDate, secondary) { minDate = (this._rangeStart && minDate && selectedDate < minDate ? selectedDate : minDate); var showStatus = this._get('showStatus'); var html = '<div class="datepicker_header">'; // month selection var monthNames = this._get('monthNames'); if (secondary || !this._get('changeMonth')) html += monthNames[drawMonth] + ' '; else { var inMinYear = (minDate && minDate.getFullYear() == drawYear); var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear); html += '<select class="datepicker_newMonth" ' + 'onchange="jQuery.datepicker._selectMonthYear(' + this._id + ', this, \'M\');" ' + 'onclick="jQuery.datepicker._clickMonthYear(' + this._id + ');"' + (showStatus ? this._addStatus(this._get('monthStatus') || ' ') : '') + '>'; for (var month = 0; month < 12; month++) { if ((!inMinYear || month >= minDate.getMonth()) && (!inMaxYear || month <= maxDate.getMonth())) { html += '<option value="' + month + '"' + (month == drawMonth ? ' selected="selected"' : '') + '>' + monthNames[month] + '</option>'; } } html += '</select>'; } // year selection if (secondary || !this._get('changeYear')) html += drawYear; else { // determine range of years to display var years = this._get('yearRange').split(':'); var year = 0; var endYear = 0; if (years.length != 2) { year = drawYear - 10; endYear = drawYear + 10; } else if (years[0].charAt(0) == '+' || years[0].charAt(0) == '-') { year = drawYear + parseInt(years[0], 10); endYear = drawYear + parseInt(years[1], 10); } else { year = parseInt(years[0], 10); endYear = parseInt(years[1], 10); } year = (minDate ? Math.max(year, minDate.getFullYear()) : year); endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear); html += '<select class="datepicker_newYear" ' + 'onchange="jQuery.datepicker._selectMonthYear(' + this._id + ', this, \'Y\');" ' + 'onclick="jQuery.datepicker._clickMonthYear(' + this._id + ');"' + (showStatus ? this._addStatus(this._get('yearStatus') || ' ') : '') + '>'; for (; year <= endYear; year++) { html += '<option value="' + year + '"' + (year == drawYear ? ' selected="selected"' : '') + '>' + year + '</option>'; } html += '</select>'; } html += '</div>'; // Close datepicker_header return html; }, /* Provide code to set and clear the status panel. */ _addStatus: function(text) { return ' onmouseover="jQuery(\'#datepicker_status_' + this._id + '\').html(\'' + text + '\');" ' + 'onmouseout="jQuery(\'#datepicker_status_' + this._id + '\').html(\' \');"'; }, /* Adjust one of the date sub-fields. */ _adjustDate: function(offset, period) { var year = this._drawYear + (period == 'Y' ? offset : 0); var month = this._drawMonth + (period == 'M' ? offset : 0); var day = Math.min(this._selectedDay, this._getDaysInMonth(year, month)) + (period == 'D' ? offset : 0); var date = new Date(year, month, day); // ensure it is within the bounds set var minDate = this._getMinMaxDate('min', true); var maxDate = this._getMinMaxDate('max'); date = (minDate && date < minDate ? minDate : date); date = (maxDate && date > maxDate ? maxDate : date); this._selectedDay = date.getDate(); this._drawMonth = this._selectedMonth = date.getMonth(); this._drawYear = this._selectedYear = date.getFullYear(); }, /* Determine the number of months to show. */ _getNumberOfMonths: function() { var numMonths = this._get('numberOfMonths'); return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths)); }, /* Determine the current maximum date - ensure no time components are set - may be overridden for a range. */ _getMinMaxDate: function(minMax, checkRange) { var date = this._determineDate(minMax + 'Date', null); if (date) { date.setHours(0); date.setMinutes(0); date.setSeconds(0); date.setMilliseconds(0); } return date || (checkRange ? this._rangeStart : null); }, /* Find the number of days in a given month. */ _getDaysInMonth: function(year, month) { return 32 - new Date(year, month, 32).getDate(); }, /* Find the day of the week of the first of a month. */ _getFirstDayOfMonth: function(year, month) { return new Date(year, month, 1).getDay(); }, /* Determines if we should allow a "next/prev" month display change. */ _canAdjustMonth: function(offset, curYear, curMonth) { var numMonths = this._getNumberOfMonths(); var date = new Date(curYear, curMonth + (offset < 0 ? offset : numMonths[1]), 1); if (offset < 0) date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth())); return this._isInRange(date); }, /* Is the given date in the accepted range? */ _isInRange: function(date) { // during range selection, use minimum of selected date and range start var newMinDate = (!this._rangeStart ? null : new Date(this._selectedYear, this._selectedMonth, this._selectedDay)); newMinDate = (newMinDate && this._rangeStart < newMinDate ? this._rangeStart : newMinDate); var minDate = newMinDate || this._getMinMaxDate('min'); var maxDate = this._getMinMaxDate('max'); return ((!minDate || date >= minDate) && (!maxDate || date <= maxDate)); }, /* Provide the configuration settings for formatting/parsing. */ _getFormatConfig: function() { var shortYearCutoff = this._get('shortYearCutoff'); shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff : new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10)); return {shortYearCutoff: shortYearCutoff, dayNamesShort: this._get('dayNamesShort'), dayNames: this._get('dayNames'), monthNamesShort: this._get('monthNamesShort'), monthNames: this._get('monthNames')}; }, /* Format the given date for display. */ _formatDate: function(day, month, year) { if (!day) { this._currentDay = this._selectedDay; this._currentMonth = this._selectedMonth; this._currentYear = this._selectedYear; } var date = (day ? (typeof day == 'object' ? day : new Date(year, month, day)) : new Date(this._currentYear, this._currentMonth, this._currentDay)); return $.datepicker.formatDate(this._get('dateFormat'), date, this._getFormatConfig()); } }); /* jQuery extend now ignores nulls! */ function extendRemove(target, props) { $.extend(target, props); for (var name in props) if (props[name] == null) target[name] = null; return target; }; /* Invoke the datepicker functionality. @param options String - a command, optionally followed by additional parameters or Object - settings for attaching new datepicker functionality @return jQuery object */ $.fn.datepicker = function(options){ var otherArgs = Array.prototype.slice.call(arguments, 1); if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate')) { return $.datepicker['_' + options + 'Datepicker'].apply($.datepicker, [this[0]].concat(otherArgs)); } return this.each(function() { typeof options == 'string' ? $.datepicker['_' + options + 'Datepicker'].apply($.datepicker, [this].concat(otherArgs)) : $.datepicker._attachDatepicker(this, options); }); }; /* Initialise the date picker. */ $(document).ready(function() { $(document.body).append($.datepicker._datepickerDiv) .mousedown($.datepicker._checkExternalClick); }); $.datepicker = new Datepicker(); // singleton instance })(jQuery);
保存
取消
返回文件列表