/*
* jQuery timepicker addon
* By: Trent Richardson [http://trentrichardson.com]
* Version 1.0.1
* Last Modified: 07/01/2012
*
* Copyright 2012 Trent Richardson
* You may use this project under MIT or GPL licenses.
* http://trentrichardson.com/Impromptu/GPL-LICENSE.txt
* http://trentrichardson.com/Impromptu/MIT-LICENSE.txt
*
* HERES THE CSS:
* .ui-timepicker-div .ui-widget-header { margin-bottom: 8px; }
* .ui-timepicker-div dl { text-align: left; }
* .ui-timepicker-div dl dt { height: 25px; margin-bottom: -25px; }
* .ui-timepicker-div dl dd { margin: 0 10px 10px 65px; }
* .ui-timepicker-div td { font-size: 90%; }
* .ui-tpicker-grid-label { background: none; border: none; margin: 0; padding: 0; }
*/

/*jslint evil: true, maxlen: 300, white: false, undef: false, nomen: false, onevar: false */

(function($) {

// Prevent "Uncaught RangeError: Maximum call stack size exceeded"
$.ui.timepicker = $.ui.timepicker || {};
if ($.ui.timepicker.version) {
	return;
}

$.extend($.ui, { timepicker: { version: "1.0.1" } });

/* Time picker manager.
   Use the singleton instance of this class, $.timepicker, to interact with the time picker.
   Settings for (groups of) time pickers are maintained in an instance object,
   allowing multiple different settings on the same page. */

function Timepicker() {
	this.regional = []; // Available regional settings, indexed by language code
	this.regional[''] = { // Default regional settings
		currentText: 'Now',
		closeText: 'Done',
		ampm: false,
		amNames: ['AM', 'A'],
		pmNames: ['PM', 'P'],
		timeFormat: 'hh:mm tt',
		timeSuffix: '',
		timeOnlyTitle: 'Choose Time',
		timeText: 'Time',
		hourText: 'Hour',
		minuteText: 'Minute',
		secondText: 'Second',
		millisecText: 'Millisecond',
		timezoneText: 'Time Zone'
	};
	this._defaults = { // Global defaults for all the datetime picker instances
		showButtonPanel: true,
		timeOnly: false,
		showHour: true,
		showMinute: true,
		showSecond: false,
		showMillisec: false,
		showTimezone: false,
		showTime: true,
		stepHour: 1,
		stepMinute: 1,
		stepSecond: 1,
		stepMillisec: 1,
		hour: 0,
		minute: 0,
		second: 0,
		millisec: 0,
		timezone: null,
		useLocalTimezone: false,
		defaultTimezone: "+0000",
		hourMin: 0,
		minuteMin: 0,
		secondMin: 0,
		millisecMin: 0,
		hourMax: 23,
		minuteMax: 59,
		secondMax: 59,
		millisecMax: 999,
		minDateTime: null,
		maxDateTime: null,
		onSelect: null,
		hourGrid: 0,
		minuteGrid: 0,
		secondGrid: 0,
		millisecGrid: 0,
		alwaysSetTime: true,
		separator: ' ',
		altFieldTimeOnly: true,
		showTimepicker: true,
		timezoneIso8601: false,
		timezoneList: null,
		addSliderAccess: false,
		sliderAccessArgs: null
	};
	$.extend(this._defaults, this.regional['']);
}

$.extend(Timepicker.prototype, {
	$input: null,
	$altInput: null,
	$timeObj: null,
	inst: null,
	hour_slider: null,
	minute_slider: null,
	second_slider: null,
	millisec_slider: null,
	timezone_select: null,
	hour: 0,
	minute: 0,
	second: 0,
	millisec: 0,
	timezone: null,
	defaultTimezone: "+0000",
	hourMinOriginal: null,
	minuteMinOriginal: null,
	secondMinOriginal: null,
	millisecMinOriginal: null,
	hourMaxOriginal: null,
	minuteMaxOriginal: null,
	secondMaxOriginal: null,
	millisecMaxOriginal: null,
	ampm: '',
	formattedDate: '',
	formattedTime: '',
	formattedDateTime: '',
	timezoneList: null,

	/* Override the default settings for all instances of the time 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;
	},

	//########################################################################
	// Create a new Timepicker instance
	//########################################################################
	_newInst: function($input, o) {
		var tp_inst = new Timepicker(),
			inlineSettings = {};

		for (var attrName in this._defaults) {
			var attrValue = $input.attr('time:' + attrName);
			if (attrValue) {
				try {
					inlineSettings[attrName] = eval(attrValue);
				} catch (err) {
					inlineSettings[attrName] = attrValue;
				}
			}
		}
		tp_inst._defaults = $.extend({}, this._defaults, inlineSettings, o, {
			beforeShow: function(input, dp_inst) {
				if ($.isFunction(o.beforeShow)) {
					return o.beforeShow(input, dp_inst, tp_inst);
                }
			},
			onChangeMonthYear: function(year, month, dp_inst) {
				// Update the time as well : this prevents the time from disappearing from the $input field.
				tp_inst._updateDateTime(dp_inst);
				if ($.isFunction(o.onChangeMonthYear)) {
					o.onChangeMonthYear.call($input[0], year, month, dp_inst, tp_inst);
                }
			},
			onClose: function(dateText, dp_inst) {
				if (tp_inst.timeDefined === true && $input.val() !== '') {
					tp_inst._updateDateTime(dp_inst);
                }
				if ($.isFunction(o.onClose)) {
					o.onClose.call($input[0], dateText, dp_inst, tp_inst);
                }
			},
			timepicker: tp_inst // add timepicker as a property of datepicker: $.datepicker._get(dp_inst, 'timepicker');
		});
		tp_inst.amNames = $.map(tp_inst._defaults.amNames, function(val) { return val.toUpperCase(); });
		tp_inst.pmNames = $.map(tp_inst._defaults.pmNames, function(val) { return val.toUpperCase(); });

		if (tp_inst._defaults.timezoneList === null) {
			var timezoneList = [];
			for (var i = -11; i <= 12; i++) {
				timezoneList.push((i >= 0 ? '+' : '-') + ('0' + Math.abs(i).toString()).slice(-2) + '00');
            }
			if (tp_inst._defaults.timezoneIso8601) {
				timezoneList = $.map(timezoneList, function(val) {
					return val == '+0000' ? 'Z' : (val.substring(0, 3) + ':' + val.substring(3));
				});
            }
			tp_inst._defaults.timezoneList = timezoneList;
		}

		tp_inst.timezone = tp_inst._defaults.timezone;
		tp_inst.hour = tp_inst._defaults.hour;
		tp_inst.minute = tp_inst._defaults.minute;
		tp_inst.second = tp_inst._defaults.second;
		tp_inst.millisec = tp_inst._defaults.millisec;
		tp_inst.ampm = '';
		tp_inst.$input = $input;

		if (o.altField) {
			tp_inst.$altInput = $(o.altField)
				.css({ cursor: 'pointer' })
				.focus(function(){ $input.trigger("focus"); });
        }

		if(tp_inst._defaults.minDate===0 || tp_inst._defaults.minDateTime===0)
		{
			tp_inst._defaults.minDate=new Date();
		}
		if(tp_inst._defaults.maxDate===0 || tp_inst._defaults.maxDateTime===0)
		{
			tp_inst._defaults.maxDate=new Date();
		}

		// datepicker needs minDate/maxDate, timepicker needs minDateTime/maxDateTime..
		if(tp_inst._defaults.minDate !== undefined && tp_inst._defaults.minDate instanceof Date) {
			tp_inst._defaults.minDateTime = new Date(tp_inst._defaults.minDate.getTime());
        }
		if(tp_inst._defaults.minDateTime !== undefined && tp_inst._defaults.minDateTime instanceof Date) {
			tp_inst._defaults.minDate = new Date(tp_inst._defaults.minDateTime.getTime());
        }
		if(tp_inst._defaults.maxDate !== undefined && tp_inst._defaults.maxDate instanceof Date) {
			tp_inst._defaults.maxDateTime = new Date(tp_inst._defaults.maxDate.getTime());
        }
		if(tp_inst._defaults.maxDateTime !== undefined && tp_inst._defaults.maxDateTime instanceof Date) {
			tp_inst._defaults.maxDate = new Date(tp_inst._defaults.maxDateTime.getTime());
        }
		return tp_inst;
	},

	//########################################################################
	// add our sliders to the calendar
	//########################################################################
	_addTimePicker: function(dp_inst) {
		var currDT = (this.$altInput && this._defaults.altFieldTimeOnly) ?
				this.$input.val() + ' ' + this.$altInput.val() :
				this.$input.val();

		this.timeDefined = this._parseTime(currDT);
		this._limitMinMaxDateTime(dp_inst, false);
		this._injectTimePicker();
	},

	//########################################################################
	// parse the time string from input value or _setTime
	//########################################################################
	_parseTime: function(timeString, withDate) {
		if (!this.inst) {
			this.inst = $.datepicker._getInst(this.$input[0]);
		}
		
		if (withDate || !this._defaults.timeOnly) 
		{
			var dp_dateFormat = $.datepicker._get(this.inst, 'dateFormat');
			try {
				var parseRes = parseDateTimeInternal(dp_dateFormat, this._defaults.timeFormat, timeString, $.datepicker._getFormatConfig(this.inst), this._defaults);
				if (!parseRes.timeObj) { return false; }
				$.extend(this, parseRes.timeObj);
			} catch (err)
			{
				return false;
			}
			return true;
		}
		else
		{
			var timeObj = $.datepicker.parseTime(this._defaults.timeFormat, timeString, this._defaults);
			if(!timeObj) { return false; }
			$.extend(this, timeObj);
			return true;
		}
	},
	
	//########################################################################
	// generate and inject html for timepicker into ui datepicker
	//########################################################################
	_injectTimePicker: function() {
		var $dp = this.inst.dpDiv,
			o = this._defaults,
			tp_inst = this,
			// Added by Peter Medeiros:
			// - Figure out what the hour/minute/second max should be based on the step values.
			// - Example: if stepMinute is 15, then minMax is 45.
			hourMax = parseInt((o.hourMax - ((o.hourMax - o.hourMin) % o.stepHour)) ,10),
			minMax  = parseInt((o.minuteMax - ((o.minuteMax - o.minuteMin) % o.stepMinute)) ,10),
			secMax  = parseInt((o.secondMax - ((o.secondMax - o.secondMin) % o.stepSecond)) ,10),
			millisecMax  = parseInt((o.millisecMax - ((o.millisecMax - o.millisecMin) % o.stepMillisec)) ,10),
			dp_id = this.inst.id.toString().replace(/([^A-Za-z0-9_])/g, '');

		// Prevent displaying twice
		//if ($dp.find("div#ui-timepicker-div-"+ dp_id).length === 0) {
		if ($dp.find("div#ui-timepicker-div-"+ dp_id).length === 0 && o.showTimepicker) {
			var noDisplay = ' style="display:none;"',
				html =	'<div class="ui-timepicker-div" id="ui-timepicker-div-' + dp_id + '"><dl>' +
						'<dt class="ui_tpicker_time_label" id="ui_tpicker_time_label_' + dp_id + '"' +
						((o.showTime) ? '' : noDisplay) + '>' + o.timeText + '</dt>' +
						'<dd class="ui_tpicker_time" id="ui_tpicker_time_' + dp_id + '"' +
						((o.showTime) ? '' : noDisplay) + '></dd>' +
						'<dt class="ui_tpicker_hour_label" id="ui_tpicker_hour_label_' + dp_id + '"' +
						((o.showHour) ? '' : noDisplay) + '>' + o.hourText + '</dt>',
				hourGridSize = 0,
				minuteGridSize = 0,
				secondGridSize = 0,
				millisecGridSize = 0,
				size = null;

            // Hours
			html += '<dd class="ui_tpicker_hour"><div id="ui_tpicker_hour_' + dp_id + '"' +
						((o.showHour) ? '' : noDisplay) + '></div>';
			if (o.showHour && o.hourGrid > 0) {
				html += '<div style="padding-left: 1px"><table class="ui-tpicker-grid-label"><tr>';

				for (var h = o.hourMin; h <= hourMax; h += parseInt(o.hourGrid,10)) {
					hourGridSize++;
					var tmph = (o.ampm && h > 12) ? h-12 : h;
					if (tmph < 10) { tmph = '0' + tmph; }
					if (o.ampm) {
						if (h === 0) {
                            tmph = 12 +'a';
                        } else {
                            if (h < 12) { tmph += 'a'; }
						    else { tmph += 'p'; }
                        }
					}
					html += '<td>' + tmph + '</td>';
				}

				html += '</tr></table></div>';
			}
			html += '</dd>';

			// Minutes
			html += '<dt class="ui_tpicker_minute_label" id="ui_tpicker_minute_label_' + dp_id + '"' +
					((o.showMinute) ? '' : noDisplay) + '>' + o.minuteText + '</dt>'+
					'<dd class="ui_tpicker_minute"><div id="ui_tpicker_minute_' + dp_id + '"' +
							((o.showMinute) ? '' : noDisplay) + '></div>';

			if (o.showMinute && o.minuteGrid > 0) {
				html += '<div style="padding-left: 1px"><table class="ui-tpicker-grid-label"><tr>';

				for (var m = o.minuteMin; m <= minMax; m += parseInt(o.minuteGrid,10)) {
					minuteGridSize++;
					html += '<td>' + ((m < 10) ? '0' : '') + m + '</td>';
				}

				html += '</tr></table></div>';
			}
			html += '</dd>';

			// Seconds
			html += '<dt class="ui_tpicker_second_label" id="ui_tpicker_second_label_' + dp_id + '"' +
					((o.showSecond) ? '' : noDisplay) + '>' + o.secondText + '</dt>'+
					'<dd class="ui_tpicker_second"><div id="ui_tpicker_second_' + dp_id + '"'+
							((o.showSecond) ? '' : noDisplay) + '></div>';

			if (o.showSecond && o.secondGrid > 0) {
				html += '<div style="padding-left: 1px"><table><tr>';

				for (var s = o.secondMin; s <= secMax; s += parseInt(o.secondGrid,10)) {
					secondGridSize++;
					html += '<td>' + ((s < 10) ? '0' : '') + s + '</td>';
				}

				html += '</tr></table></div>';
			}
			html += '</dd>';

			// Milliseconds
			html += '<dt class="ui_tpicker_millisec_label" id="ui_tpicker_millisec_label_' + dp_id + '"' +
					((o.showMillisec) ? '' : noDisplay) + '>' + o.millisecText + '</dt>'+
					'<dd class="ui_tpicker_millisec"><div id="ui_tpicker_millisec_' + dp_id + '"'+
							((o.showMillisec) ? '' : noDisplay) + '></div>';

			if (o.showMillisec && o.millisecGrid > 0) {
				html += '<div style="padding-left: 1px"><table><tr>';

				for (var l = o.millisecMin; l <= millisecMax; l += parseInt(o.millisecGrid,10)) {
					millisecGridSize++;
					html += '<td>' + ((l < 10) ? '0' : '') + l + '</td>';
				}

				html += '</tr></table></div>';
			}
			html += '</dd>';

			// Timezone
			html += '<dt class="ui_tpicker_timezone_label" id="ui_tpicker_timezone_label_' + dp_id + '"' +
					((o.showTimezone) ? '' : noDisplay) + '>' + o.timezoneText + '</dt>';
			html += '<dd class="ui_tpicker_timezone" id="ui_tpicker_timezone_' + dp_id + '"'	+
							((o.showTimezone) ? '' : noDisplay) + '></dd>';

			html += '</dl></div>';
			var $tp = $(html);

				// if we only want time picker...
			if (o.timeOnly === true) {
				$tp.prepend(
					'<div class="ui-widget-header ui-helper-clearfix ui-corner-all">' +
						'<div class="ui-datepicker-title">' + o.timeOnlyTitle + '</div>' +
					'</div>');
				$dp.find('.ui-datepicker-header, .ui-datepicker-calendar').hide();
			}

			this.hour_slider = $tp.find('#ui_tpicker_hour_'+ dp_id).slider({
				orientation: "horizontal",
				value: this.hour,
				min: o.hourMin,
				max: hourMax,
				step: o.stepHour,
				slide: function(event, ui) {
					tp_inst.hour_slider.slider( "option", "value", ui.value);
					tp_inst._onTimeChange();
				}
			});


			// Updated by Peter Medeiros:
			// - Pass in Event and UI instance into slide function
			this.minute_slider = $tp.find('#ui_tpicker_minute_'+ dp_id).slider({
				orientation: "horizontal",
				value: this.minute,
				min: o.minuteMin,
				max: minMax,
				step: o.stepMinute,
				slide: function(event, ui) {
					tp_inst.minute_slider.slider( "option", "value", ui.value);
					tp_inst._onTimeChange();
				}
			});

			this.second_slider = $tp.find('#ui_tpicker_second_'+ dp_id).slider({
				orientation: "horizontal",
				value: this.second,
				min: o.secondMin,
				max: secMax,
				step: o.stepSecond,
				slide: function(event, ui) {
					tp_inst.second_slider.slider( "option", "value", ui.value);
					tp_inst._onTimeChange();
				}
			});

			this.millisec_slider = $tp.find('#ui_tpicker_millisec_'+ dp_id).slider({
				orientation: "horizontal",
				value: this.millisec,
				min: o.millisecMin,
				max: millisecMax,
				step: o.stepMillisec,
				slide: function(event, ui) {
					tp_inst.millisec_slider.slider( "option", "value", ui.value);
					tp_inst._onTimeChange();
				}
			});

			this.timezone_select = $tp.find('#ui_tpicker_timezone_'+ dp_id).append('<select></select>').find("select");
			$.fn.append.apply(this.timezone_select,
				$.map(o.timezoneList, function(val, idx) {
					return $("<option />")
						.val(typeof val == "object" ? val.value : val)
						.text(typeof val == "object" ? val.label : val);
				})
			);
			if (typeof(this.timezone) != "undefined" && this.timezone !== null && this.timez