/*! * jQuery UI Calendar @VERSION * http://jqueryui.com * * Copyright 2014 jQuery Foundation and other contributors * Released under the MIT license. * http://jquery.org/license * * http://api.jqueryui.com/calendar/ */ (function( factory ) { if ( typeof define === "function" && define.amd ) { // AMD. Register as an anonymous module. // TODO Add globalize and $.date // TODO: Keep button even if its optional? define([ "jquery", "./core", "./widget", "./button" ], factory ); } else { // Browser globals factory( jQuery ); } }(function( $ ) { return $.widget( "ui.calendar", { version: "@VERSION", options: { buttons: [], dateFormat: { date: "short" }, eachDay: $.noop, max: null, min: null, numberOfMonths: 1, showWeek: false, value: null, // callbacks select: null }, _create: function() { this.id = this.element.uniqueId().attr( "id" ); this.labels = Globalize.translate( "datepicker" ); this.buttonClickContext = this.element[ 0 ]; this.date = $.date( this.options.value, this.options.dateFormat ).select(); this.date.eachDay = this.options.eachDay; this._on( this.element, { "click .ui-calendar-prev": function( event ) { event.preventDefault(); this.date.adjust( "M", -this.options.numberOfMonths ); this.refresh(); }, "click .ui-calendar-next": function( event ) { event.preventDefault(); this.date.adjust( "M", this.options.numberOfMonths ); this.refresh(); }, "mousedown .ui-calendar-calendar a": function( event ) { event.preventDefault(); // TODO Exclude clicks on lead days or handle them correctly // TODO Store/read more then just date, also required for multi month picker this._select( event, $( event.currentTarget ).data( "timestamp" ) ); this.grid.focus(); }, "mouseenter .ui-calendar-header button": "_hover", "mouseleave .ui-calendar-header button": "_hover", "mouseenter .ui-calendar-calendar a": "_hover", "mouseleave .ui-calendar-calendar a": "_hover", "keydown .ui-calendar-calendar": "_handleKeydown" }); this._createCalendar(); }, _hover: function( event ) { $( event.currentTarget ).toggleClass( "ui-state-hover" ); }, _handleKeydown: function( event ) { var oldMonth = this.date.month(), oldYear = this.date.year(); // TODO: Handle for pickers with multiple months switch ( event.keyCode ) { case $.ui.keyCode.ENTER: this.element.find( "#" + this.grid.attr( "aria-activedescendant" ) + " > a:first" ).mousedown(); return; case $.ui.keyCode.PAGE_UP: this.date.adjust( event.altKey ? "Y" : "M", -1 ); break; case $.ui.keyCode.PAGE_DOWN: this.date.adjust( event.altKey ? "Y" : "M", 1 ); break; case $.ui.keyCode.END: this.date.setDay( this.date.daysInMonth() ); break; case $.ui.keyCode.HOME: this.date.setDay( 1 ); break; case $.ui.keyCode.LEFT: this.date.adjust( "D", -1 ); break; case $.ui.keyCode.UP: this.date.adjust( "D", -7 ); break; case $.ui.keyCode.RIGHT: this.date.adjust( "D", 1 ); break; case $.ui.keyCode.DOWN: this.date.adjust( "D", 7 ); break; default: event.preventDefault(); return; } if ( this.date.month() !== oldMonth || this.date.year() !== oldYear ) { this.refresh(); this.grid.focus(); } this._setActiveDescendant(); }, _setActiveDescendant: function() { var id = this.id + "-" + this.date.day(); this.grid .attr( "aria-activedescendant", id ) .find( ".ui-state-focus" ) .removeClass( "ui-state-focus" ); this.grid.find( "#" + id ).find ( "a" ).addClass( "ui-state-focus" ); }, _createCalendar: function() { var classes = "ui-calendar ui-widget ui-widget-content ui-helper-clearfix ui-corner-all", pickerHtml = ""; if ( this.options.numberOfMonths === 1 ) { pickerHtml = this._buildHeader() + this._buildGrid(); } else { pickerHtml = this._buildMultiplePicker(); classes += " ui-calendar-multi"; } this.element .addClass( classes ) .attr({ role: "region", "aria-labelledby": this.id + "-title" }) .html( pickerHtml ); this._createButtonPane(); this.grid = this.element.find( ".ui-calendar-calendar" ); }, _buildMultiplePicker: function() { var headerClass, html = "", currentDate = this.date, months = this.date.months( this.options.numberOfMonths - 1 ), i = 0; for ( ; i < months.length; i++ ) { // TODO: Shouldn't we pass date as a parameter to build* fns instead of setting this.date? this.date = months[ i ]; if ( months[ i ].first ) { headerClass = "ui-corner-left"; } else if ( months[ i ].last ) { headerClass = "ui-corner-right"; } html += "
" + "
"; if ( months[ i ].first ) { html += this._buildPreviousLink(); } else if ( months[ i ].last ) { html += this._buildNextLink(); } html += this._buildTitlebar() + "
" + this._buildGrid() + "
"; } html += "
"; this.date = currentDate; return html; }, _buildHeader: function() { return "
" + this._buildPreviousLink() + this._buildNextLink() + this._buildTitlebar() + "
"; }, _buildPreviousLink: function() { var prevText = this._getTranslation( "prevText" ); return ""; }, _buildNextLink: function() { var nextText = this._getTranslation( "nextText" ); return ""; }, _buildTitlebar: function() { return "
" + "
" + this._buildTitle() + "
" + ", " + this._getTranslation( "datePickerRole" ) + "" + "
"; }, _buildTitle: function() { return "" + this.date.monthName() + " " + "" + this.date.year() + ""; }, _buildGrid: function() { return "" + this._buildGridHeading() + this._buildGridBody() + "
"; }, _buildGridHeading: function() { var cells = "", i = 0, weekDayLength = this.date.weekdays().length; if ( this.options.showWeek ) { cells += "" + this._getTranslation( "weekHeader" ) + ""; } for ( ; i < weekDayLength; i++ ) { cells += this._buildGridHeaderCell( this.date.weekdays()[ i ] ); } return "" + "" + cells + "" + ""; }, _buildGridHeaderCell: function( day ) { return "" + "" + day.shortname + "" + ""; }, _buildGridBody: function() { // this.date.days() needs caching as it has O(n^2) complexity. var days = this.date.days(), i = 0, rows = ""; for ( ; i < days.length; i++ ) { rows += this._buildWeekRow( days[ i ] ); } return "" + rows + ""; }, _buildWeekRow: function( week ) { var cells = "", i = 0; if ( this.options.showWeek ) { cells += "" + week.number + ""; } for ( ; i < week.days.length; i++ ) { cells += this._buildDayCell( week.days[ i ] ); } return "" + cells + ""; }, _buildDayCell: function( day ) { var content = "", attributes = [ "role='gridcell'", "aria-selected='" + ( day.current ? true : false ) + "'" ], selectable = ( day.selectable && this._isValid( new Date( day.timestamp ) ) ); if ( day.render ) { attributes.push( "id='" + this.id + "-" + day.date + "'" ); if ( !selectable ) { attributes.push( "aria-disabled='true'" ); attributes.push( "class='ui-state-disabled'" ); } content = this._buildDayElement( day, selectable ); } return "" + content + ""; }, _buildDayElement: function( day, selectable ) { var classes = [ "ui-state-default" ], content = ""; if ( day === this.date && selectable ) { classes.push( "ui-state-focus" ); } if ( day.current ) { classes.push( "ui-state-active" ); } if ( day.today ) { classes.push( "ui-state-highlight" ); } // TODO Explain and document this if ( day.extraClasses ) { classes.push( day.extraClasses.split( " " ) ); } classes = " class='" + classes.join( " " ) + "'"; if ( selectable ) { content = "" + day.date + ""; } else { content = "" + day.date + ""; } if ( day.today ) { content += ", " + this._getTranslation( "currentText" ) + ""; } return content; }, _createButtonPane: function() { this.buttonPane = $( "
" ) .addClass( "ui-calendar-buttonpane ui-widget-content ui-helper-clearfix" ); this.buttonSet = $( "
" ) .addClass( "ui-calendar-buttonset" ) .appendTo( this.buttonPane ); this._createButtons(); }, _createButtons: function() { var that = this, buttons = this.options.buttons; this.buttonPane.remove(); this.buttonSet.empty(); if ( $.isEmptyObject( buttons ) || ( $.isArray( buttons ) && !buttons.length ) ) { this.element.removeClass( "ui-calendar-buttons" ); return; } $.each( buttons, function( name, props ) { var click, buttonOptions; props = $.isFunction( props ) ? { click: props, text: name } : props; // Default to a non-submitting button props = $.extend( { type: "button" }, props ); // Change the context for the click callback to be the main element click = props.click; props.click = function() { click.apply( that.buttonClickContext, arguments ); }; buttonOptions = { icons: props.icons, text: props.showText }; delete props.icons; delete props.showText; $( "", props ) .button( buttonOptions ) .appendTo( that.buttonSet ); }); this.element.addClass( "ui-calendar-buttons" ); this.buttonPane.appendTo( this.element ); }, // Refreshing the entire calendar during interaction confuses screen readers, specifically // because the grid heading is marked up as a live region and will often not update if it's // destroyed and recreated instead of just having its text change. Additionally, interacting // with the prev and next links would cause loss of focus issues because the links being // interacted with will disappear while focused. refresh: function() { this.labels = Globalize.translate( "datepicker" ); // Determine which day gridcell to focus after refresh // TODO: Prevent disabled cells from being focused if ( this.options.numberOfMonths === 1 ) { this.grid = $( this._buildGrid() ); this.element.find( ".ui-calendar-title" ).html( this._buildTitle() ); this.element.find( ".ui-calendar-calendar" ).replaceWith( this.grid ); $( ".ui-calendar-prev", this.element ).attr( "title", this.labels.prevText ) .children().html( this.labels.prevText ); $( ".ui-calendar-next", this.element ).attr( "title", this.labels.nextText ) .children().html( this.labels.nextText ); this._createButtons(); } else { this._refreshMultiplePicker(); } }, _refreshMultiplePicker: function() { var i = 0; for ( ; i < this.options.numberOfMonths; i++ ) { this.element.find( ".ui-calendar-title" ).eq( i ).html( this._buildTitle() ); this.element.find( ".ui-calendar-calendar" ).eq( i ).html( this._buildGrid() ); this.date.adjust( "M", 1 ); } this.date.adjust( "M", -this.options.numberOfMonths ); // TODO: This assumes focus is on the first grid. For multi pickers, the widget needs // to maintain the currently focused grid and base queries like this off of it. this.element.find( ".ui-state-focus" ).not( ":first" ).removeClass( "ui-state-focus" ); }, _getTranslation: function( key ) { return $( "" ).text( this.labels[ key ] ).html(); }, _setHiddenPicker: function() { this.element.attr({ "aria-hidden": "true", "aria-expanded": "false" }); }, _select: function( event, time ) { this._setOption( "value", new Date( time ) ); this._trigger( "select", event ); }, value: function( value ) { if ( arguments.length ) { this._setOption( "value", Globalize.parseDate( value, this.options.dateFormat ) ); } else { return Globalize.format( this.option( "value" ), this.options.dateFormat ); } }, valueAsDate: function( value ) { if ( arguments.length ) { this._setOption( "value", value ); } else { return this.option( "value" ); } }, _isValid: function( value ) { if ( $.type( value ) !== "date" ) { return false; } if ( $.type( this.options.max ) === "date" ) { if ( value > this.options.max ) { return false; } } if ( $.type( this.options.min ) === "date" ) { if ( value < this.options.min ) { return false; } } return true; }, _destroy: function() { this.element .off( ".calendar" ) .removeClass( "ui-calendar ui-widget ui-widget-content ui-helper-clearfix ui-corner-all ui-calendar-multi" ) .removeAttr( "role aria-labelledby" ) .removeUniqueId() .empty(); }, option: function( key ) { if ( arguments.length === 0 || ( arguments.length === 1 && key === "value" ) ) { this.options.value = this.date.selectedDate(); } return this._superApply( arguments ); }, _setOption: function( key, value ) { if ( key === "value" ) { if ( this._isValid( value ) ) { this.date.setTime( value.getTime() ).select(); this.refresh(); } } if ( key === "max" || key === "min" ) { if ( $.type( value ) === "date" || value === null ) { this._super( key, value ); this.refresh(); } return; } this._super( key, value ); if ( key === "buttons" ) { this._createButtons(); } if ( key === "eachDay" ) { this.date.eachDay = value; this.refresh(); } if ( key === "dateFormat" ) { this.date.setFormat( value ); } if ( key === "showWeek" ) { this.refresh(); } } }); }));