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datepicker.js
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/* eslint-disable max-len */
/*!
* jQuery UI Datepicker @VERSION
* https://jqueryui.com
*
* Copyright OpenJS Foundation and other contributors
* Released under the MIT license.
* https://jquery.org/license
*/
//>>label: Datepicker
//>>group: Widgets
//>>description: Displays a calendar from an input or inline for selecting dates.
//>>docs: https://api.jqueryui.com/datepicker/
//>>demos: https://jqueryui.com/datepicker/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/datepicker.css
//>>css.theme: ../../themes/base/theme.css
( function( factory ) {
"use strict";
if ( typeof define === "function" && define.amd ) {
// AMD. Register as an anonymous module.
define( [
"jquery",
"../version",
"../keycode"
], factory );
} else {
// Browser globals
factory( jQuery );
}
} )( function( $ ) {
"use strict";
$.extend( $.ui, { datepicker: { version: "@VERSION" } } );
var datepicker_instActive;
function datepicker_getZindex( elem ) {
var position, value;
while ( elem.length && elem[ 0 ] !== document ) {
// Ignore z-index if position is set to a value where z-index is ignored by the browser
// This makes behavior of this function consistent across browsers
// WebKit always returns auto if the element is positioned
position = elem.css( "position" );
if ( position === "absolute" || position === "relative" || position === "fixed" ) {
// IE returns 0 when zIndex is not specified
// other browsers return a string
// we ignore the case of nested elements with an explicit value of 0
// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
value = parseInt( elem.css( "zIndex" ), 10 );
if ( !isNaN( value ) && value !== 0 ) {
return value;
}
}
elem = elem.parent();
}
return 0;
}
/* 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._curInst = null; // The current instance in use
this._keyEvent = false; // If the last event was a key event
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._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._dayOverClass = "ui-datepicker-days-cell-over"; // The name of the day hover marker class
this.regional = []; // Available regional settings, indexed by language code
this.regional[ "" ] = { // Default regional settings
closeText: "Done", // Display text for close link
prevText: "Prev", // Display text for previous month link
nextText: "Next", // Display text for next month link
currentText: "Today", // Display 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
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
weekHeader: "Wk", // Column header for week of the year
dateFormat: "mm/dd/yy", // See format options on parseDate
firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
isRTL: false, // True if right-to-left language, false if left-to-right
showMonthAfterYear: false, // True if the year select precedes month, false for month then year
yearSuffix: "", // Additional text to append to the year in the month headers,
selectMonthLabel: "Select month", // Invisible label for month selector
selectYearLabel: "Select year" // Invisible label for year selector
};
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: "fadeIn", // 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
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
gotoCurrent: false, // True if today link goes back to current selection instead
changeMonth: false, // True if month can be selected directly, false if only prev/next
changeYear: false, // True if year can be selected directly, false if only prev/next
yearRange: "c-10:c+10", // Range of years to display in drop-down,
// either relative to today's year (-nn:+nn), relative to currently displayed year
// (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
showOtherMonths: false, // True to show dates in other months, false to leave blank
selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
showWeek: false, // True to show week of the year, false to not show it
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
minDate: null, // The earliest selectable date, or null for no limit
maxDate: null, // The latest selectable date, or null for no limit
duration: "fast", // 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
onUpdateDatepicker: null, // Define a callback function when the datepicker is updated
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
altField: "", // Selector for an alternate field to store selected dates into
altFormat: "", // The date format to use for the alternate field
constrainInput: true, // The input is constrained by the current date format
showButtonPanel: false, // True to show button panel, false to not show it
autoSize: false, // True to size the input for the date format, false to leave as is
disabled: false // The initial disabled state
};
$.extend( this._defaults, this.regional[ "" ] );
this.regional.en = $.extend( true, {}, this.regional[ "" ] );
this.regional[ "en-US" ] = $.extend( true, {}, this.regional.en );
this.dpDiv = datepicker_bindHover( $( "<div id='" + this._mainDivId + "' class='ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>" ) );
}
$.extend( Datepicker.prototype, {
/* Class name added to elements to indicate already configured with a date picker. */
markerClassName: "hasDatepicker",
//Keep track of the maximum number of rows displayed (see #7043)
maxRows: 4,
// TODO rename to "widget" when switching to widget factory
_widgetDatepicker: function() {
return this.dpDiv;
},
/* 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 ) {
datepicker_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 ) {
var nodeName, inline, inst;
nodeName = target.nodeName.toLowerCase();
inline = ( nodeName === "div" || nodeName === "span" );
if ( !target.id ) {
this.uuid += 1;
target.id = "dp" + this.uuid;
}
inst = this._newInst( $( target ), inline );
inst.settings = $.extend( {}, settings || {} );
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( /([^A-Za-z0-9_\-])/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
datepicker_bindHover( $( "<div class='" + this._inlineClass + " ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>" ) ) ) };
},
/* Attach the date picker to an input field. */
_connectDatepicker: function( target, inst ) {
var input = $( target );
inst.append = $( [] );
inst.trigger = $( [] );
if ( input.hasClass( this.markerClassName ) ) {
return;
}
this._attachments( input, inst );
input.addClass( this.markerClassName ).on( "keydown", this._doKeyDown ).
on( "keypress", this._doKeyPress ).on( "keyup", this._doKeyUp );
this._autoSize( inst );
$.data( target, "datepicker", inst );
//If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
if ( inst.settings.disabled ) {
this._disableDatepicker( target );
}
},
/* Make attachments based on settings. */
_attachments: function( input, inst ) {
var showOn, buttonText, buttonImage,
appendText = this._get( inst, "appendText" ),
isRTL = this._get( inst, "isRTL" );
if ( inst.append ) {
inst.append.remove();
}
if ( appendText ) {
inst.append = $( "<span>" )
.addClass( this._appendClass )
.text( appendText );
input[ isRTL ? "before" : "after" ]( inst.append );
}
input.off( "focus", this._showDatepicker );
if ( inst.trigger ) {
inst.trigger.remove();
}
showOn = this._get( inst, "showOn" );
if ( showOn === "focus" || showOn === "both" ) { // pop-up date picker when in the marked field
input.on( "focus", this._showDatepicker );
}
if ( showOn === "button" || showOn === "both" ) { // pop-up date picker when button clicked
buttonText = this._get( inst, "buttonText" );
buttonImage = this._get( inst, "buttonImage" );
if ( this._get( inst, "buttonImageOnly" ) ) {
inst.trigger = $( "<img>" )
.addClass( this._triggerClass )
.attr( {
src: buttonImage,
alt: buttonText,
title: buttonText
} );
} else {
inst.trigger = $( "<button type='button'>" )
.addClass( this._triggerClass );
if ( buttonImage ) {
inst.trigger.html(
$( "<img>" )
.attr( {
src: buttonImage,
alt: buttonText,
title: buttonText
} )
);
} else {
inst.trigger.text( buttonText );
}
}
input[ isRTL ? "before" : "after" ]( inst.trigger );
inst.trigger.on( "click", function() {
if ( $.datepicker._datepickerShowing && $.datepicker._lastInput === input[ 0 ] ) {
$.datepicker._hideDatepicker();
} else if ( $.datepicker._datepickerShowing && $.datepicker._lastInput !== input[ 0 ] ) {
$.datepicker._hideDatepicker();
$.datepicker._showDatepicker( input[ 0 ] );
} else {
$.datepicker._showDatepicker( input[ 0 ] );
}
return false;
} );
}
},
/* Apply the maximum length for the date format. */
_autoSize: function( inst ) {
if ( this._get( inst, "autoSize" ) && !inst.inline ) {
var findMax, max, maxI, i,
date = new Date( 2009, 12 - 1, 20 ), // Ensure double digits
dateFormat = this._get( inst, "dateFormat" );
if ( dateFormat.match( /[DM]/ ) ) {
findMax = function( names ) {
max = 0;
maxI = 0;
for ( i = 0; i < names.length; i++ ) {
if ( names[ i ].length > max ) {
max = names[ i ].length;
maxI = i;
}
}
return maxI;
};
date.setMonth( findMax( this._get( inst, ( dateFormat.match( /MM/ ) ?
"monthNames" : "monthNamesShort" ) ) ) );
date.setDate( findMax( this._get( inst, ( dateFormat.match( /DD/ ) ?
"dayNames" : "dayNamesShort" ) ) ) + 20 - date.getDay() );
}
inst.input.attr( "size", this._formatDate( inst, date ).length );
}
},
/* 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 );
$.data( target, "datepicker", inst );
this._setDate( inst, this._getDefaultDate( inst ), true );
this._updateDatepicker( inst );
this._updateAlternate( inst );
//If disabled option is true, disable the datepicker before showing it (see ticket #5665)
if ( inst.settings.disabled ) {
this._disableDatepicker( target );
}
// Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
// https://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
inst.dpDiv.css( "display", "block" );
},
/* Pop-up the date picker in a "dialog" box.
* @param input element - ignored
* @param date string or Date - the initial date to display
* @param onSelect function - the function 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, date, onSelect, settings, pos ) {
var id, browserWidth, browserHeight, scrollX, scrollY,
inst = this._dialogInst; // internal instance
if ( !inst ) {
this.uuid += 1;
id = "dp" + this.uuid;
this._dialogInput = $( "<input type='text' id='" + id +
"' style='position: absolute; top: -100px; width: 0px;'/>" );
this._dialogInput.on( "keydown", this._doKeyDown );
$( "body" ).append( this._dialogInput );
inst = this._dialogInst = this._newInst( this._dialogInput, false );
inst.settings = {};
$.data( this._dialogInput[ 0 ], "datepicker", inst );
}
datepicker_extendRemove( inst.settings, settings || {} );
date = ( date && date.constructor === Date ? this._formatDate( inst, date ) : date );
this._dialogInput.val( date );
this._pos = ( pos ? ( pos.length ? pos : [ pos.pageX, pos.pageY ] ) : null );
if ( !this._pos ) {
browserWidth = document.documentElement.clientWidth;
browserHeight = document.documentElement.clientHeight;
scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
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 ] + 20 ) + "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 ], "datepicker", inst );
return this;
},
/* Detach a datepicker from its control.
* @param target element - the target input field or division or span
*/
_destroyDatepicker: function( target ) {
var nodeName,
$target = $( target ),
inst = $.data( target, "datepicker" );
if ( !$target.hasClass( this.markerClassName ) ) {
return;
}
nodeName = target.nodeName.toLowerCase();
$.removeData( target, "datepicker" );
if ( nodeName === "input" ) {
inst.append.remove();
inst.trigger.remove();
$target.removeClass( this.markerClassName ).
off( "focus", this._showDatepicker ).
off( "keydown", this._doKeyDown ).
off( "keypress", this._doKeyPress ).
off( "keyup", this._doKeyUp );
} else if ( nodeName === "div" || nodeName === "span" ) {
$target.removeClass( this.markerClassName ).empty();
}
$.datepicker._hideDatepicker();
if ( datepicker_instActive === inst ) {
datepicker_instActive = null;
this._curInst = null;
}
},
/* Enable the date picker to a jQuery selection.
* @param target element - the target input field or division or span
*/
_enableDatepicker: function( target ) {
var nodeName, inline,
$target = $( target ),
inst = $.data( target, "datepicker" );
if ( !$target.hasClass( this.markerClassName ) ) {
return;
}
nodeName = target.nodeName.toLowerCase();
if ( nodeName === "input" ) {
target.disabled = false;
inst.trigger.filter( "button" ).
each( function() {
this.disabled = false;
} ).end().
filter( "img" ).css( { opacity: "1.0", cursor: "" } );
} else if ( nodeName === "div" || nodeName === "span" ) {
inline = $target.children( "." + this._inlineClass );
inline.children().removeClass( "ui-state-disabled" );
inline.find( "select.ui-datepicker-month, select.ui-datepicker-year" ).
prop( "disabled", false );
}
this._disabledInputs = $.map( this._disabledInputs,
// Delete entry
function( value ) {
return ( value === target ? null : value );
} );
},
/* Disable the date picker to a jQuery selection.
* @param target element - the target input field or division or span
*/
_disableDatepicker: function( target ) {
var nodeName, inline,
$target = $( target ),
inst = $.data( target, "datepicker" );
if ( !$target.hasClass( this.markerClassName ) ) {
return;
}
nodeName = target.nodeName.toLowerCase();
if ( nodeName === "input" ) {
target.disabled = true;
inst.trigger.filter( "button" ).
each( function() {
this.disabled = true;
} ).end().
filter( "img" ).css( { opacity: "0.5", cursor: "default" } );
} else if ( nodeName === "div" || nodeName === "span" ) {
inline = $target.children( "." + this._inlineClass );
inline.children().addClass( "ui-state-disabled" );
inline.find( "select.ui-datepicker-month, select.ui-datepicker-year" ).
prop( "disabled", true );
}
this._disabledInputs = $.map( this._disabledInputs,
// Delete entry
function( value ) {
return ( value === target ? null : value );
} );
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, "datepicker" );
} catch ( _err ) {
throw "Missing instance data for this datepicker";
}
},
/* Update or retrieve 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 retrieve,
* when retrieving also "all" for all instance settings or
* "defaults" for all global defaults
* @param value any - the new value for the setting
* (omit if above is an object or to retrieve a value)
*/
_optionDatepicker: function( target, name, value ) {
var settings, date, minDate, maxDate,
inst = this._getInst( target );
if ( arguments.length === 2 && typeof name === "string" ) {
return ( name === "defaults" ? $.extend( {}, $.datepicker._defaults ) :
( inst ? ( name === "all" ? $.extend( {}, inst.settings ) :
this._get( inst, name ) ) : null ) );
}
settings = name || {};
if ( typeof name === "string" ) {
settings = {};
settings[ name ] = value;
}
if ( inst ) {
if ( this._curInst === inst ) {
this._hideDatepicker();
}
date = this._getDateDatepicker( target, true );
minDate = this._getMinMaxDate( inst, "min" );
maxDate = this._getMinMaxDate( inst, "max" );
datepicker_extendRemove( inst.settings, settings );
// reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
if ( minDate !== null && settings.dateFormat !== undefined && settings.minDate === undefined ) {
inst.settings.minDate = this._formatDate( inst, minDate );
}
if ( maxDate !== null && settings.dateFormat !== undefined && settings.maxDate === undefined ) {
inst.settings.maxDate = this._formatDate( inst, maxDate );
}
if ( "disabled" in settings ) {
if ( settings.disabled ) {
this._disableDatepicker( target );
} else {
this._enableDatepicker( target );
}
}
this._attachments( $( target ), inst );
this._autoSize( inst );
this._setDate( inst, date );
this._updateAlternate( inst );
this._updateDatepicker( inst );
}
},
// Change method deprecated
_changeDatepicker: function( target, name, value ) {
this._optionDatepicker( target, name, value );
},
/* 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
*/
_setDateDatepicker: function( target, date ) {
var inst = this._getInst( target );
if ( inst ) {
this._setDate( inst, date );
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
* @param noDefault boolean - true if no default date is to be used
* @return Date - the current date
*/
_getDateDatepicker: function( target, noDefault ) {
var inst = this._getInst( target );
if ( inst && !inst.inline ) {
this._setDateFromField( inst, noDefault );
}
return ( inst ? this._getDate( inst ) : null );
},
/* Handle keystrokes. */
_doKeyDown: function( event ) {
var onSelect, dateStr, sel,
inst = $.datepicker._getInst( event.target ),
handled = true,
isRTL = inst.dpDiv.is( ".ui-datepicker-rtl" );
inst._keyEvent = true;
if ( $.datepicker._datepickerShowing ) {
switch ( event.keyCode ) {
case 9: $.datepicker._hideDatepicker();
handled = false;
break; // hide on tab out
case 13: sel = $( "td." + $.datepicker._dayOverClass + ":not(." +
$.datepicker._currentClass + ")", inst.dpDiv );
if ( sel[ 0 ] ) {
$.datepicker._selectDay( event.target, inst.selectedMonth, inst.selectedYear, sel[ 0 ] );
}
onSelect = $.datepicker._get( inst, "onSelect" );
if ( onSelect ) {
dateStr = $.datepicker._formatDate( inst );
// Trigger custom callback
onSelect.apply( ( inst.input ? inst.input[ 0 ] : null ), [ dateStr, inst ] );
} else {
$.datepicker._hideDatepicker();
}
return false; // don't submit the form
case 27: $.datepicker._hideDatepicker();
break; // hide on escape
case 33: $.datepicker._adjustDate( event.target, ( event.ctrlKey ?
-$.datepicker._get( inst, "stepBigMonths" ) :
-$.datepicker._get( inst, "stepMonths" ) ), "M" );
break; // previous month/year on page up/+ ctrl
case 34: $.datepicker._adjustDate( event.target, ( event.ctrlKey ?
+$.datepicker._get( inst, "stepBigMonths" ) :
+$.datepicker._get( inst, "stepMonths" ) ), "M" );
break; // next month/year on page down/+ ctrl
case 35: if ( event.ctrlKey || event.metaKey ) {
$.datepicker._clearDate( event.target );
}
handled = event.ctrlKey || event.metaKey;
break; // clear on ctrl or command +end
case 36: if ( event.ctrlKey || event.metaKey ) {
$.datepicker._gotoToday( event.target );
}
handled = event.ctrlKey || event.metaKey;
break; // current on ctrl or command +home
case 37: if ( event.ctrlKey || event.metaKey ) {
$.datepicker._adjustDate( event.target, ( isRTL ? +1 : -1 ), "D" );
}
handled = event.ctrlKey || event.metaKey;
// -1 day on ctrl or command +left
if ( event.originalEvent.altKey ) {
$.datepicker._adjustDate( event.target, ( event.ctrlKey ?
-$.datepicker._get( inst, "stepBigMonths" ) :
-$.datepicker._get( inst, "stepMonths" ) ), "M" );
}
// next month/year on alt +left on Mac
break;
case 38: if ( event.ctrlKey || event.metaKey ) {
$.datepicker._adjustDate( event.target, -7, "D" );
}
handled = event.ctrlKey || event.metaKey;
break; // -1 week on ctrl or command +up
case 39: if ( event.ctrlKey || event.metaKey ) {
$.datepicker._adjustDate( event.target, ( isRTL ? -1 : +1 ), "D" );
}
handled = event.ctrlKey || event.metaKey;
// +1 day on ctrl or command +right
if ( event.originalEvent.altKey ) {
$.datepicker._adjustDate( event.target, ( event.ctrlKey ?
+$.datepicker._get( inst, "stepBigMonths" ) :
+$.datepicker._get( inst, "stepMonths" ) ), "M" );
}
// next month/year on alt +right
break;
case 40: if ( event.ctrlKey || event.metaKey ) {
$.datepicker._adjustDate( event.target, +7, "D" );
}
handled = event.ctrlKey || event.metaKey;
break; // +1 week on ctrl or command +down
default: handled = false;
}
} else if ( event.keyCode === 36 && event.ctrlKey ) { // display the date picker on ctrl+home
$.datepicker._showDatepicker( this );
} else {
handled = false;
}
if ( handled ) {
event.preventDefault();
event.stopPropagation();
}
},
/* Filter entered characters - based on date format. */
_doKeyPress: function( event ) {
var chars, chr,
inst = $.datepicker._getInst( event.target );
if ( $.datepicker._get( inst, "constrainInput" ) ) {
chars = $.datepicker._possibleChars( $.datepicker._get( inst, "dateFormat" ) );
chr = String.fromCharCode( event.charCode == null ? event.keyCode : event.charCode );
return event.ctrlKey || event.metaKey || ( chr < " " || !chars || chars.indexOf( chr ) > -1 );
}
},
/* Synchronise manual entry and field/alternate field. */
_doKeyUp: function( event ) {
var date,
inst = $.datepicker._getInst( event.target );
if ( inst.input.val() !== inst.lastVal ) {
try {
date = $.datepicker.parseDate( $.datepicker._get( inst, "dateFormat" ),
( inst.input ? inst.input.val() : null ),
$.datepicker._getFormatConfig( inst ) );
if ( date ) { // only if valid
$.datepicker._setDateFromField( inst );
$.datepicker._updateAlternate( inst );
$.datepicker._updateDatepicker( inst );
}
} catch ( _err ) {
}
}
return true;
},
/* Pop-up the date picker for a given input field.
* If false returned from beforeShow event handler do not show.
* @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, beforeShow, beforeShowSettings, isFixed,
offset, showAnim, duration;
inst = $.datepicker._getInst( input );
if ( $.datepicker._curInst && $.datepicker._curInst !== inst ) {
$.datepicker._curInst.dpDiv.stop( true, true );
if ( inst && $.datepicker._datepickerShowing ) {
$.datepicker._hideDatepicker( $.datepicker._curInst.input[ 0 ] );
}
}
beforeShow = $.datepicker._get( inst, "beforeShow" );
beforeShowSettings = beforeShow ? beforeShow.apply( input, [ input, inst ] ) : {};
if ( beforeShowSettings === false ) {
return;
}
datepicker_extendRemove( inst.settings, beforeShowSettings );
inst.lastVal = 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 ] += inst.input.outerHeight(); // add the height
}
isFixed = false;
$( input ).parents().each( function() {
isFixed |= $( this ).css( "position" ) === "fixed";
return !isFixed;
} );
offset = { left: $.datepicker._pos[ 0 ], top: $.datepicker._pos[ 1 ] };
$.datepicker._pos = null;
//to avoid flashes on Firefox
inst.dpDiv.empty();
// determine sizing offscreen
inst.dpDiv.css( { position: "absolute", display: "block", top: "-1000px" } );
$.datepicker._updateDatepicker( inst );
// fix width for dynamic number of date pickers
// 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 ) {
showAnim = $.datepicker._get( inst, "showAnim" );
duration = $.datepicker._get( inst, "duration" );
inst.dpDiv.css( "z-index", datepicker_getZindex( $( input ) ) + 1 );
$.datepicker._datepickerShowing = true;
if ( $.effects && $.effects.effect[ showAnim ] ) {
inst.dpDiv.show( showAnim, $.datepicker._get( inst, "showOptions" ), duration );
} else {
inst.dpDiv[ showAnim || "show" ]( showAnim ? duration : null );
}
if ( $.datepicker._shouldFocusInput( inst ) ) {
inst.input.trigger( "focus" );
}
$.datepicker._curInst = inst;
}
},
/* Generate the date picker content. */
_updateDatepicker: function( inst ) {
this.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
datepicker_instActive = inst; // for delegate hover events
inst.dpDiv.empty().append( this._generateHTML( inst ) );
this._attachHandlers( inst );
var origyearshtml,
numMonths = this._getNumberOfMonths( inst ),
cols = numMonths[ 1 ],
width = 17,
activeCell = inst.dpDiv.find( "." + this._dayOverClass + " a" ),
onUpdateDatepicker = $.datepicker._get( inst, "onUpdateDatepicker" );
if ( activeCell.length > 0 ) {
datepicker_handleMouseover.apply( activeCell.get( 0 ) );
}
inst.dpDiv.removeClass( "ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4" ).width( "" );
if ( cols > 1 ) {
inst.dpDiv.addClass( "ui-datepicker-multi-" + cols ).css( "width", ( width * cols ) + "em" );
}
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 === $.datepicker._curInst && $.datepicker._datepickerShowing && $.datepicker._shouldFocusInput( inst ) ) {
inst.input.trigger( "focus" );
}
// Deffered render of the years select (to avoid flashes on Firefox)
if ( inst.yearshtml ) {
origyearshtml = inst.yearshtml;
setTimeout( function() {
//assure that inst.yearshtml didn't change.
if ( origyearshtml === inst.yearshtml && inst.yearshtml ) {
inst.dpDiv.find( "select.ui-datepicker-year" ).first().replaceWith( inst.yearshtml );
}
origyearshtml = inst.yearshtml = null;
}, 0 );
}
if ( onUpdateDatepicker ) {
onUpdateDatepicker.apply( ( inst.input ? inst.input[ 0 ] : null ), [ inst ] );
}
},
_shouldFocusInput: function( inst ) {
return inst.input && inst.input.is( ":visible" ) && !inst.input.is( ":disabled" );
},
/* Check positioning to remain on screen. */
_checkOffset: function( inst, offset, isFixed ) {
var dpWidth = inst.dpDiv.outerWidth(),
dpHeight = inst.dpDiv.outerHeight(),
inputWidth = inst.input ? inst.input.outerWidth() : 0,
inputHeight = inst.input ? inst.input.outerHeight() : 0,
viewWidth = document.documentElement.clientWidth + ( isFixed ? 0 : $( document ).scrollLeft() ),
viewHeight = document.documentElement.clientHeight + ( isFixed ? 0 : $( document ).scrollTop() );
offset.left -= ( this._get( inst, "isRTL" ) ? ( dpWidth - inputWidth ) : 0 );
offset.left -= ( isFixed && offset.left === inst.input.offset().left ) ? $( document ).scrollLeft() : 0;
offset.top -= ( isFixed && offset.top === ( inst.input.offset().top + inputHeight ) ) ? $( document ).scrollTop() : 0;
// Now check if datepicker is showing outside window viewport - move to a better place if so.
offset.left -= Math.min( offset.left, ( offset.left + dpWidth > viewWidth && viewWidth > dpWidth ) ?
Math.abs( offset.left + dpWidth - viewWidth ) : 0 );
offset.top -= Math.min( offset.top, ( offset.top + dpHeight > viewHeight && viewHeight > dpHeight ) ?
Math.abs( dpHeight + inputHeight ) : 0 );
return offset;
},
/* Find an object's position on the screen. */
_findPos: function( obj ) {
var position,
inst = this._getInst( obj ),
isRTL = this._get( inst, "isRTL" );
while ( obj && ( obj.type === "hidden" || obj.nodeType !== 1 || $.expr.pseudos.hidden( obj ) ) ) {
obj = obj[ isRTL ? "previousSibling" : "nextSibling" ];
}
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
*/
_hideDatepicker: function( input ) {
var showAnim, duration, postProcess, onClose,
inst = this._curInst;
if ( !inst || ( input && inst !== $.data( input, "datepicker" ) ) ) {
return;
}
if ( this._datepickerShowing ) {
showAnim = this._get( inst, "showAnim" );
duration = this._get( inst, "duration" );
postProcess = function() {
$.datepicker._tidyDialog( inst );
};
if ( $.effects && ( $.effects.effect[ showAnim ] ) ) {
inst.dpDiv.hide( showAnim, $.datepicker._get( inst, "showOptions" ), duration, postProcess );
} else {
inst.dpDiv[ ( showAnim === "slideDown" ? "slideUp" :
( showAnim === "fadeIn" ? "fadeOut" : "hide" ) ) ]( ( showAnim ? duration : null ), postProcess );
}
if ( !showAnim ) {
postProcess();
}
this._datepickerShowing = false;
onClose = this._get( inst, "onClose" );
if ( onClose ) {
onClose.apply( ( inst.input ? inst.input[ 0 ] : null ), [ ( inst.input ? inst.input.val() : "" ), inst ] );
}
this._lastInput = null;
if ( this._inDialog ) {
this._dialogInput.css( { position: "absolute", left: "0", top: "-100px" } );
if ( $.blockUI ) {
$.unblockUI();
$( "body" ).append( this.dpDiv );
}
}
this._inDialog = false;
}
},