/*
* jQuery timepicker addon
* By: Trent Richardson [http://trentrichardson.com]
* Version 1.0.0
* Last Modified: 02/05/2012
*
* Copyright 2012 Trent Richardson
* Dual licensed under the MIT and 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; }
*/
(function($) {
// Prevent "Uncaught RangeError: Maximum call stack size exceeded"
$.ui.timepicker = $.ui.timepicker || {};
if ($.ui.timepicker.version) {
	return;
}
$.extend($.ui, { timepicker: { version: "1.0.0" } });
/* 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: '+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,
		timezoneIso8609: false,
		timezoneList: null,
		addSliderAccess: false,
		sliderAccessArgs: null
	};
	$.extend(this._defaults, this.regional['']);
};
$.extend(Timepicker.prototype, {
	$input: null,
	$altInput: null,
	$timeObj: null,
	inst: null,
	hour_slider: null,
	minute_slider: null,
	second_slider: null,
	millisec_slider: null,
	timezone_select: null,
	hour: 0,
	minute: 0,
	second: 0,
	millisec: 0,
	timezone: '+0000',
	hourMinOriginal: null,
	minuteMinOriginal: null,
	secondMinOriginal: null,
	millisecMinOriginal: null,
	hourMaxOriginal: null,
	minuteMaxOriginal: null,
	secondMaxOriginal: null,
	millisecMaxOriginal: null,
	ampm: '',
	formattedDate: '',
	formattedTime: '',
	formattedDateTime: '',
	timezoneList: null,
	/* Override the default settings for all instances of the time picker.
	   @param  settings  object - the new settings to use as defaults (anonymous object)
	   @return the manager object */
	setDefaults: function(settings) {
		extendRemove(this._defaults, settings || {});
		return this;
	},
	//########################################################################
	// Create a new Timepicker instance
	//########################################################################
	_newInst: function($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.timezoneIso8609)
				timezoneList = $.map(timezoneList, function(val) {
					return val == '+0000' ? 'Z' : (val.substring(0, 3) + ':' + val.substring(3));
				});
			tp_inst._defaults.timezoneList = timezoneList;
		}
		tp_inst.hour = tp_inst._defaults.hour;
		tp_inst.minute = tp_inst._defaults.minute;
		tp_inst.second = tp_inst._defaults.second;
		tp_inst.millisec = tp_inst._defaults.millisec;
		tp_inst.ampm = '';
		tp_inst.$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.$input.val();
		this.timeDefined = this._parseTime(currDT);
		this._limitMinMaxDateTime(dp_inst, false);
		this._injectTimePicker();
	},
	//########################################################################
	// parse the time string from input value or _setTime
	//########################################################################
	_parseTime: function(timeString, withDate) {
		var regstr = this._defaults.timeFormat.toString()
				.replace(/h{1,2}/ig, '(\\d?\\d)')
				.replace(/m{1,2}/ig, '(\\d?\\d)')
				.replace(/s{1,2}/ig, '(\\d?\\d)')
				.replace(/l{1}/ig, '(\\d?\\d?\\d)')
				.replace(/t{1,2}/ig, this._getPatternAmpm())
				.replace(/z{1}/ig, '(z|[-+]\\d\\d:?\\d\\d)?')
				.replace(/\s/g, '\\s?') + this._defaults.timeSuffix + '$',
			order = this._getFormatPositions(),
			ampm = '',
			treg;
		if (!this.inst) this.inst = $.datepicker._getInst(this.$input[0]);
		if (withDate || !this._defaults.timeOnly) {
			// the time should come after x number of characters and a space.
			// x = at least the length of text specified by the date format
			var dp_dateFormat = $.datepicker._get(this.inst, 'dateFormat');
			// escape special regex characters in the seperator
			var specials = new RegExp("[.*+?|()\\[\\]{}\\\\]", "g");
			regstr = '^.{' + dp_dateFormat.length + ',}?' + this._defaults.separator.replace(specials, "\\$&") + regstr;
		}
		treg = timeString.match(new RegExp(regstr, 'i'));
		if (treg) {
			if (order.t !== -1) {
				if (treg[order.t] === undefined || treg[order.t].length === 0) {
					ampm = '';
					this.ampm = '';
				} else {
					ampm = $.inArray(treg[order.t].toUpperCase(), this.amNames) !== -1 ? 'AM' : 'PM';
					this.ampm = this._defaults[ampm == 'AM' ? 'amNames' : 'pmNames'][0];
				}
			}
			if (order.h !== -1) {
				if (ampm == 'AM' && treg[order.h] == '12')
					this.hour = 0; // 12am = 0 hour
				else if (ampm == 'PM' && treg[order.h] != '12')
					this.hour = (parseFloat(treg[order.h]) + 12).toFixed(0); // 12pm = 12 hour, any other pm = hour + 12
				else this.hour = Number(treg[order.h]);
			}
			if (order.m !== -1) this.minute = Number(treg[order.m]);
			if (order.s !== -1) this.second = Number(treg[order.s]);
			if (order.l !== -1) this.millisec = Number(treg[order.l]);
			if (order.z !== -1 && treg[order.z] !== undefined) {
				var tz = treg[order.z].toUpperCase();
				switch (tz.length) {
				case 1:	// Z
					tz = this._defaults.timezoneIso8609 ? 'Z' : '+0000';
					break;
				case 5:	// +hhmm
					if (this._defaults.timezoneIso8609)
						tz = tz.substring(1) == '0000'
						   ? 'Z'
						   : tz.substring(0, 3) + ':' + tz.substring(3);
					break;
				case 6:	// +hh:mm
					if (!this._defaults.timezoneIso8609)
						tz = tz == 'Z' || tz.substring(1) == '00:00'
						   ? '+0000'
						   : tz.replace(/:/, '');
					else if (tz.substring(1) == '00:00')
						tz = 'Z';
					break;
				}
				this.timezone = tz;
			}
			return true;
		}
		return false;
	},
	//########################################################################
	// pattern for standard and localized AM/PM markers
	//########################################################################
	_getPatternAmpm: function() {
		var markers = [],
			o = this._defaults;
		if (o.amNames)
			$.merge(markers, o.amNames);
		if (o.pmNames)
			$.merge(markers, o.pmNames);
		markers = $.map(markers, function(val) { return val.replace(/[.*+?|()\[\]{}\\]/g, '\\$&'); });
		return '(' + markers.join('|') + ')?';
	},
	//########################################################################
	// figure out position of time elements.. cause js cant do named captures
	//########################################################################
	_getFormatPositions: function() {
		var finds = this._defaults.timeFormat.toLowerCase().match(/(h{1,2}|m{1,2}|s{1,2}|l{1}|t{1,2}|z)/g),
			orders = { h: -1, m: -1, s: -1, l: -1, t: -1, z: -1 };
		if (finds)
			for (var i = 0; i < finds.length; i++)
				if (orders[finds[i].toString().charAt(0)] == -1)
					orders[finds[i].toString().charAt(0)] = i + 1;
		return orders;
	},
	//########################################################################
	// 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 =	'
' +
						'- ' + o.timeText + '' +
						'' +
						'
- ' + o.hourText + '',
				hourGridSize = 0,
				minuteGridSize = 0,
				secondGridSize = 0,
				millisecGridSize = 0,
				size = null;
 			// Hours
			html += '
- ';
			if (o.showHour && o.hourGrid > 0) {
				html += '';
				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 += '| ' + tmph + '';
				}
				html += ' |  
 
';
			// Minutes
			html += '- ' + o.minuteText + ''+
					'
- ';
			if (o.showMinute && o.minuteGrid > 0) {
				html += '';
				for (var m = o.minuteMin; m <= minMax; m += parseInt(o.minuteGrid,10)) {
					minuteGridSize++;
					html += '| ' + ((m < 10) ? '0' : '') + m + '';
				}
				html += ' |  
 
';
			// Seconds
			html += '- ' + o.secondText + ''+
					'
- ';
			if (o.showSecond && o.secondGrid > 0) {
				html += '';
				for (var s = o.secondMin; s <= secMax; s += parseInt(o.secondGrid,10)) {
					secondGridSize++;
					html += '| ' + ((s < 10) ? '0' : '') + s + '';
				}
				html += ' |  
 
';
			// Milliseconds
			html += '- ' + o.millisecText + ''+
					'
- ';
			if (o.showMillisec && o.millisecGrid > 0) {
				html += '';
				for (var l = o.millisecMin; l <= millisecMax; l += parseInt(o.millisecGrid,10)) {
					millisecGridSize++;
					html += '| ' + ((l < 10) ? '0' : '') + l + '';
				}
				html += ' |  
 
';
			// Timezone
			html += '- ' + o.timezoneText + '';
			html += '';
			html += '