(function( $, undefined ) {
    $.widget("mobile.date",{
      options:{
		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
		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
		onSelect:  function(text,object){
            var self = this;
            setTimeout( function(){
                $(object.settings.altField)
                  .data("mobileDate")._addMobileStyle();
            },0);
          }, // Define a callback function when a date is selected
		onChangeMonthYear: function(month,year,object){
            var self = this;
            setTimeout( function(){
                $(object.settings.altField)
                  .data("mobileDate")._addMobileStyle();
            },0);
          },
        beforeShow: function( element ){
          var self = this;
            setTimeout( function(){
              
                $(element)
                  .data("mobileDate")._addMobileStyle();
            },0);
        },// Define a callback function when the month or year is changed
		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
        inline: false
      },
      _create:function(){
        var calendar
        if( this.options.inline ){
	  this.options.altField = this.element;
          calendar = $("<div>").datepicker(this.options);
          this.element.parent().after(calendar);
        } else {
          this.element.datepicker( this.options );
          calendar= this.element.datepicker( "widget" );
        }
        
        $.extend(this,{
          calendar:calendar
        });
        this._addMobileStyle();
      },
      setOption:function( key, value ){
        this.calendar.datepicker("option",key,value);
      },
      getDate: function(){
        return this.calendar.datepicker("getDate");
      },
      _destroy: function(){
        return this.calendar.datepicker("destroy");
      },
      isDisabled: function(){
        return this.calendar.datepicker("isDisabled");
      },
      getDate: function(){
        return this.calendar.datepicker("getDate");
      },
      refresh: function(){
        return this.calendar.datepicker("refresh");
      },
      setDate: function( ){
        return this.calendar.datepicker("setDate");
      },
      widget:function(){
       return this.element; 
      },
      _addMobileStyle: function(){
        
          this.calendar.addClass("ui-shadow").find(".ui-datepicker-calendar a,.ui-datepicker-prev,.ui-datepicker-next").addClass("ui-btn").end()
          .find(".ui-datepicker-prev").addClass("ui-btn-icon-notext ui-btn-inline ui-corner-all ui-icon-arrow-l ui-shadow").end()
          .find(".ui-datepicker-next").addClass("ui-btn-icon-notext ui-btn-inline ui-corner-all ui-icon-arrow-r ui-shadow").end()
          .find(".ui-datepicker-header").addClass("ui-body-a ui-corner-top").removeClass("ui-corner-all").end()
          .find(".ui-datepicker-calendar th" ).addClass("ui-bar-a").end()
          .find(".ui-datepicker-calendar td" ).addClass("ui-body-a").end()
          .find(".ui-datepicker-calendar a.ui-state-active").addClass("ui-btn-active").end()
          .find(".ui-datepicker-calendar a.ui-state-highlight").addClass("ui-btn-up-a").end().find(".ui-state-disabled").css("opacity","1");
      }  
    });

 })( jQuery );
