/*
* jQuery timepicker addon
* By: Trent Richardson [http://trentrichardson.com]
* Version 0.9.3
* Last Modified: 02/05/2011
* 
* Copyright 2010 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; }
* .ui-timepicker-div dl dd{ margin: -25px 0 10px 65px; }
* .ui-timepicker-div td { font-size: 90%; }
*/

(function($) {

$.extend($.ui, { timepicker: { version: "0.9.3" } });

/* 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,
    timeFormat: 'hh:mm tt',
    timeOnlyTitle: 'Choose Time',
    timeText: 'Time',
    hourText: 'Hour',
    minuteText: 'Minute',
    secondText: 'Second'
  };
  this._defaults = { // Global defaults for all the datetime picker instances
    showButtonPanel: true,
    timeOnly: false,
    showHour: true,
    showMinute: true,
    showSecond: false,
    showTime: true,
    stepHour: 0.05,
    stepMinute: 0.05,
    stepSecond: 0.05,
    hour: 0,
    minute: 0,
    second: 0,
    hourMin: 0,
    minuteMin: 0,
    secondMin: 0,
    hourMax: 23,
    minuteMax: 59,
    secondMax: 59,
    minDateTime: null,
    maxDateTime: null,    
    hourGrid: 0,
    minuteGrid: 0,
    secondGrid: 0,
    alwaysSetTime: true,
    separator: ' ',
    altFieldTimeOnly: true,
    showTimepicker: true
  };
  $.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,
  hour: 0,
  minute: 0,
  second: 0,
  hourMinOriginal: null,
  minuteMinOriginal: null,
  secondMinOriginal: null,
  hourMaxOriginal: null,
  minuteMaxOriginal: null,
  secondMaxOriginal: null,
  ampm: '',
  formattedDate: '',
  formattedTime: '',
  formattedDateTime: '',

  /* 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 = {};

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

    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))
          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(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(dateText, dp_inst, tp_inst);
      },
      timepicker: tp_inst // add timepicker as a property of datepicker: $.datepicker._get(dp_inst, 'timepicker');
    });

    if (o.altField)
      tp_inst.$altInput = $(o.altField)
        .css({ cursor: 'pointer' })
        .focus(function(){ $input.trigger("focus"); });
            
    // 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(/t{1,2}/ig, '(am|pm|a|p)?')
        .replace(/\s/g, '\\s?') + '$',
      order = this._getFormatPositions(),
      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');
      regstr = '.{' + dp_dateFormat.length + ',}' + this._defaults.separator + regstr;
    }

    treg = timeString.match(new RegExp(regstr, 'i'));

    if (treg) {
      if (order.t !== -1)
        this.ampm = ((treg[order.t] === undefined || treg[order.t].length === 0) ?
          '' :
          (treg[order.t].charAt(0).toUpperCase() == 'A') ? 'AM' : 'PM').toUpperCase();

      if (order.h !== -1) {
        if (this.ampm == 'AM' && treg[order.h] == '12') 
          this.hour = 0; // 12am = 0 hour
        else if (this.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]);
      
      return true;

    }
    return false;
  },

  //########################################################################
  // 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}|t{1,2})/g),
      orders = { h: -1, m: -1, s: -1, t: -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 = (o.hourMax - (o.hourMax % o.stepHour)).toFixed(0),
      minMax  = (o.minuteMax - (o.minuteMax % o.stepMinute)).toFixed(0),
      secMax  = (o.secondMax - (o.secondMax % o.stepSecond)).toFixed(0),
      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,
        size;
 
      if (o.showHour && o.hourGrid > 0) {
        html += '<dd class="ui_tpicker_hour">' +
            '<div id="ui_tpicker_hour_' + dp_id + '"' + ((o.showHour)   ? '' : noDisplay) + '></div>' +
            '<div style="padding-left: 1px"><table><tr>';

        for (var h = o.hourMin; h < hourMax; h += o.hourGrid) {
          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>' +
            '</dd>';
      } else html += '<dd class="ui_tpicker_hour" id="ui_tpicker_hour_' + dp_id + '"' +
              ((o.showHour) ? '' : noDisplay) + '></dd>';

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

      if (o.showMinute && o.minuteGrid > 0) {
        html += '<dd class="ui_tpicker_minute ui_tpicker_minute_' + o.minuteGrid + '">' +
            '<div id="ui_tpicker_minute_' + dp_id + '"' +
            ((o.showMinute) ? '' : noDisplay) + '></div>' +
            '<div style="padding-left: 1px"><table><tr>';

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

        html += '</tr></table></div>' +
            '</dd>';
      } else html += '<dd class="ui_tpicker_minute" id="ui_tpicker_minute_' + dp_id + '"' +
              ((o.showMinute) ? '' : noDisplay) + '></dd>';

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

      if (o.showSecond && o.secondGrid > 0) {
        html += '<dd class="ui_tpicker_second ui_tpicker_second_' + o.secondGrid + '">' +
            '<div id="ui_tpicker_second_' + dp_id + '"' +
            ((o.showSecond) ? '' : noDisplay) + '></div>' +
            '<div style="padding-left: 1px"><table><tr>';

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

        html += '</tr></table></div>' +
            '</dd>';
      } else html += '<dd class="ui_tpicker_second" id="ui_tpicker_second_' + dp_id + '"'  +
              ((o.showSecond) ? '' : noDisplay) + '></dd>';

      html += '</dl></div>';
      $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) {
          // update the global minute slider instance value with the current slider value
          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();
        }
      });

      // Add grid functionality
      if (o.showHour && o.hourGrid > 0) {
        size = 100 * hourGridSize * o.hourGrid / (hourMax - o.hourMin);

        $tp.find(".ui_tpicker_hour table").css({
          width: size + "%",
          marginLeft: (size / (-2 * hourGridSize)) + "%",
          borderCollapse: 'collapse'
        }).find("td").each( function(index) {
          $(this).click(function() {
            var h = $(this).html();
            if(o.ampm)  {
              var ap = h.substring(2).toLowerCase(),
                aph = parseInt(h.substring(0,2));
              if (ap == 'a') {
                if (aph == 12) h = 0;
                else h = aph;
              } else if (aph == 12) h = 12;
              else h = aph + 12;
            }
            tp_inst.hour_slider.slider("option", "value", h);
            tp_inst._onTimeChange();
          }).css({
            cursor: 'pointer',
            width: (100 / hourGridSize) + '%',
            textAlign: 'center',
            overflow: 'hidden'
          });
        });
      }

      if (o.showMinute && o.minuteGrid > 0) {
        size = 100 * minuteGridSize * o.minuteGrid / (minMax - o.minuteMin);
        $tp.find(".ui_tpicker_minute table").css({
          width: size + "%",
          marginLeft: (size / (-2 * minuteGridSize)) + "%",
          borderCollapse: 'collapse'
        }).find("td").each(function(index) {
          $(this).click(function() {
            tp_inst.minute_slider.slider("option", "value", $(this).html());
            tp_inst._onTimeChange();
          }).css({
            cursor: 'pointer',
            width: (100 / minuteGridSize) + '%',
            textAlign: 'center',
            overflow: 'hidden'
          });
        });
      }

      if (o.showSecond && o.secondGrid > 0) {
        $tp.find(".ui_tpicker_second table").css({
          width: size + "%",
          marginLeft: (size / (-2 * secondGridSize)) + "%",
          borderCollapse: 'collapse'
        }).find("td").each(function(index) {
          $(this).click(function() {
            tp_inst.second_slider.slider("option", "value", $(this).html());
            tp_inst._onTimeChange();
          }).css({
            cursor: 'pointer',
            width: (100 / secondGridSize) + '%',
            textAlign: 'center',
            overflow: 'hidden'
          });
        });
      }

      var $buttonPanel = $dp.find('.ui-datepicker-buttonpane');
      if ($buttonPanel.length) $buttonPanel.before($tp);
      else $dp.append($tp);

      this.$timeObj = $('#ui_tpicker_time_'+ dp_id);

      if (this.inst !== null) {
        var timeDefined = this.timeDefined;
        this._onTimeChange();
        this.timeDefined = timeDefined;
      }

      //Emulate datepicker onSelect behavior. Call on slidestop.
      var onSelect = tp_inst._defaults['onSelect'];
      if (onSelect) {
        var inputEl = tp_inst.$input ? tp_inst.$input[0] : null;
        var onSelectHandler = function() {
          onSelect.apply(inputEl, [tp_inst.formattedDateTime, tp_inst]); // trigger custom callback*/
        }
        this.hour_slider.bind('slidestop',onSelectHandler);    
        this.minute_slider.bind('slidestop',onSelectHandler);    
        this.second_slider.bind('slidestop',onSelectHandler);    
      }
    }
  },

  //########################################################################
  // This function tries to limit the ability to go outside the 
  // min/max date range
  //########################################################################
  _limitMinMaxDateTime: function(dp_inst, adjustSliders){
    var o = this._defaults,
      dp_date = new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay),
      tp_date = new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay, this.hour, this.minute, this.second, 0);
    
    if(this._defaults.minDateTime !== null && dp_date){
      var minDateTime = this._defaults.minDateTime,
        minDateTimeDate = new Date(minDateTime.getFullYear(), minDateTime.getMonth(), minDateTime.getDate(), 0, 0, 0, 0);
      
      if(this.hourMinOriginal === null || this.minuteMinOriginal === null || this.secondMinOriginal === null){
        this.hourMinOriginal = o.hourMin;
        this.minuteMinOriginal = o.minuteMin;
        this.secondMinOriginal = o.secondMin;
      }
    
      if(minDateTimeDate.getTime() == dp_date.getTime()){
        this._defaults.hourMin = minDateTime.getHours();
        this._defaults.minuteMin = minDateTime.getMinutes();
        this._defaults.secondMin = minDateTime.getSeconds();

        if(this.hour < this._defaults.hourMin) this.hour = this._defaults.hourMin;
        if(this.minute < this._defaults.minuteMin) this.minute = this._defaults.minuteMin;
        if(this.second < this._defaults.secondMin) this.second = this._defaults.secondMin;
      }else{
        this._defaults.hourMin = this.hourMinOriginal;
        this._defaults.minuteMin = this.minuteMinOriginal;
        this._defaults.secondMin = this.secondMinOriginal;
      }
    }

    if(this._defaults.maxDateTime !== null && dp_date){
      var maxDateTime = this._defaults.maxDateTime,
        maxDateTimeDate = new Date(maxDateTime.getFullYear(), maxDateTime.getMonth(), maxDateTime.getDate(), 0, 0, 0, 0);
  
      if(this.hourMaxOriginal === null || this.minuteMaxOriginal === null || this.secondMaxOriginal === null){
        this.hourMaxOriginal = o.hourMax;
        this.minuteMaxOriginal = o.minuteMax;
        this.secondMaxOriginal = o.secondMax;
      }
    
      if(maxDateTimeDate.getTime() == dp_date.getTime()){
        this._defaults.hourMax = maxDateTime.getHours();
        this._defaults.minuteMax = maxDateTime.getMinutes();
        this._defaults.secondMax = maxDateTime.getSeconds();
        
        if(this.hour > this._defaults.hourMax){ this.hour = this._defaults.hourMax; }
        if(this.minute > this._defaults.minuteMax) this.minute = this._defaults.minuteMax;
        if(this.second > this._defaults.secondMax) this.second = this._defaults.secondMax;
      }else{
        this._defaults.hourMax = this.hourMaxOriginal;
        this._defaults.minuteMax = this.minuteMaxOriginal;
        this._defaults.secondMax = this.secondMaxOriginal;
      }
    }
        
    if(adjustSliders !== undefined && adjustSliders === true){
      this.hour_slider.slider("option", { min: this._defaults.hourMin, max: this._defaults.hourMax }).slider('value', this.hour);
      this.minute_slider.slider("option", { min: this._defaults.minuteMin, max: this._defaults.minuteMax }).slider('value', this.minute);
      this.second_slider.slider("option", { min: this._defaults.secondMin, max: this._defaults.secondMax }).slider('value', this.second);
    }

  },
  
  //########################################################################
  // when a slider moves, set the internal time...
  // on time change is also called when the time is updated in the text field
  //########################################################################
  _onTimeChange: function() {
    var hour   = (this.hour_slider) ? this.hour_slider.slider('value') : false,
      minute = (this.minute_slider) ? this.minute_slider.slider('value') : false,
      second = (this.second_slider) ? this.second_slider.slider('value') : false;

    if (hour !== false) hour = parseInt(hour,10);
    if (minute !== false) minute = parseInt(minute,10);
    if (second !== false) second = parseInt(second,10);

    var ampm = (hour < 12) ? 'AM' : 'PM';
      
    // If the update was done in the input field, the input field should not be updated.
    // If the update was done using the sliders, update the input field.
    var hasChanged = (hour != this.hour || minute != this.minute || second != this.second || (this.ampm.length > 0 && this.ampm != ampm));
    
    if (hasChanged) {

      if (hour !== false)this.hour = hour;
      if (minute !== false) this.minute = minute;
      if (second !== false) this.second = second;
    }
    if (this._defaults.ampm) this.ampm = ampm;
    
    this._formatTime();
    if (this.$timeObj) this.$timeObj.text(this.formattedTime);
    this.timeDefined = true;
    if (hasChanged) this._updateDateTime();
  },

  //########################################################################
  // format the time all pretty...
  //########################################################################
  _formatTime: function(time, format, ampm) {
    if (ampm == undefined) ampm = this._defaults.ampm;
    time = time || { hour: this.hour, minute: this.minute, second: this.second, ampm: this.ampm };
    var tmptime = format || this._defaults.timeFormat.toString();

    if (ampm) {
      var hour12 = ((time.ampm == 'AM') ? (time.hour) : (time.hour % 12));
      hour12 = (Number(hour12) === 0) ? 12 : hour12;
      tmptime = tmptime.toString()
        .replace(/hh/g, ((hour12 < 10) ? '0' : '') + hour12)
        .replace(/h/g, hour12)
        .replace(/mm/g, ((time.minute < 10) ? '0' : '') + time.minute)
        .replace(/m/g, time.minute)
        .replace(/ss/g, ((time.second < 10) ? '0' : '') + time.second)
        .replace(/s/g, time.second)
        .replace(/TT/g, time.ampm.toUpperCase())
        .replace(/tt/g, time.ampm.toLowerCase())
        .replace(/T/g, time.ampm.charAt(0).toUpperCase())
        .replace(/t/g, time.ampm.charAt(0).toLowerCase());
    } else {
      tmptime = tmptime.toString()
        .replace(/hh/g, ((time.hour < 10) ? '0' : '') + time.hour)
        .replace(/h/g, time.hour)
        .replace(/mm/g, ((time.minute < 10) ? '0' : '') + time.minute)
        .replace(/m/g, time.minute)
        .replace(/ss/g, ((time.second < 10) ? '0' : '') + time.second)
        .replace(/s/g, time.second);
      tmptime = $.trim(tmptime.replace(/t/gi, ''));
    }

    if (arguments.length) return tmptime;
    else this.formattedTime = tmptime;
  },

  //########################################################################
  // update our input with the new date time..
  //########################################################################
  _updateDateTime: function(dp_inst) {
    dp_inst = this.inst || dp_inst,
      dt = new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay),
      dateFmt = $.datepicker._get(dp_inst, 'dateFormat'),
      formatCfg = $.datepicker._getFormatConfig(dp_inst),
      timeAvailable = dt !== null && this.timeDefined;
    this.formattedDate = $.datepicker.formatDate(dateFmt, (dt === null ? new Date() : dt), formatCfg);
    var formattedDateTime = this.formattedDate;
    if (dp_inst.lastVal !== undefined && (dp_inst.lastVal.length > 0 && this.$input.val().length === 0))
      return;

    if (this._defaults.timeOnly === true) {
      formattedDateTime = this.formattedTime;
    } else if (this._defaults.timeOnly !== true && (this._defaults.alwaysSetTime || timeAvailable)) {      
      formattedDateTime += this._defaults.separator + this.formattedTime;
    }

    this.formattedDateTime = formattedDateTime;

    if(!this._defaults.showTimepicker) {
      this.$input.val(this.formattedDate);
    } else if (this.$altInput && this._defaults.altFieldTimeOnly === true) {
      this.$altInput.val(this.formattedTime);
      this.$input.val(this.formattedDate);
    } else if(this.$altInput) {
      this.$altInput.val(formattedDateTime);
      this.$input.val(formattedDateTime);
    } else {
      this.$input.val(formattedDateTime);
    }
    
    this.$input.trigger("change");
  }

});

$.fn.extend({
  //########################################################################
  // shorthand just to use timepicker..
  //########################################################################
  timepicker: function(o) {
    o = o || {};
    var tmp_args = arguments;

    if (typeof o == 'object') tmp_args[0] = $.extend(o, { timeOnly: true });

    return $(this).each(function() {
      $.fn.datetimepicker.apply($(this), tmp_args);
    });
  },

  //########################################################################
  // extend timepicker to datepicker
  //########################################################################
  datetimepicker: function(o) {
    o = o || {};
    var $input = this,
      tmp_args = arguments;

    if (typeof(o) == 'string'){
      if(o == 'getDate') 
        return $.fn.datepicker.apply($(this[0]), tmp_args);
      else 
        return this.each(function() {
          var $t = $(this);
          $t.datepicker.apply($t, tmp_args);
        });
    }
    else
      return this.each(function() {
        var $t = $(this);
        $t.datepicker($.timepicker._newInst($t, o)._defaults);
      });
  }
});

//########################################################################
// the bad hack :/ override datepicker so it doesnt close on select
// inspired: http://stackoverflow.com/questions/1252512/jquery-datepicker-prevent-closing-picker-when-clicking-a-date/1762378#1762378
//########################################################################
$.datepicker._base_selectDate = $.datepicker._selectDate;
$.datepicker._selectDate = function (id, dateStr) {
  var inst = this._getInst($(id)[0]),
    tp_inst = this._get(inst, 'timepicker');

  if (tp_inst) {
    tp_inst._limitMinMaxDateTime(inst, true);
    inst.inline = inst.stay_open = true;
    //This way the onSelect handler called from calendarpicker get the full dateTime
    this._base_selectDate(id, dateStr + tp_inst._defaults.separator + tp_inst.formattedTime);
    inst.inline = inst.stay_open = false;
    this._notifyChange(inst);
    this._updateDatepicker(inst);
  }
  else this._base_selectDate(id, dateStr);
};

//#############################################################################################
// second bad hack :/ override datepicker so it triggers an event when changing the input field
// and does not redraw the datepicker on every selectDate event
//#############################################################################################
$.datepicker._base_updateDatepicker = $.datepicker._updateDatepicker;
$.datepicker._updateDatepicker = function(inst) {
  if (typeof(inst.stay_open) !== 'boolean' || inst.stay_open === false) {
        
    this._base_updateDatepicker(inst);
    
    // Reload the time control when changing something in the input text field.
    var tp_inst = this._get(inst, 'timepicker');
    if(tp_inst) tp_inst._addTimePicker(inst);
  }
};

//#######################################################################################
// third bad hack :/ override datepicker so it allows spaces and colan in the input field
//#######################################################################################
$.datepicker._base_doKeyPress = $.datepicker._doKeyPress;
$.datepicker._doKeyPress = function(event) {
  var inst = $.datepicker._getInst(event.target),
    tp_inst = $.datepicker._get(inst, 'timepicker');

  if (tp_inst) {
    if ($.datepicker._get(inst, 'constrainInput')) {
      var ampm = tp_inst._defaults.ampm,
        datetimeChars = tp_inst._defaults.timeFormat.toString()
                .replace(/[hms]/g, '')
                .replace(/TT/g, ampm ? 'APM' : '')
                .replace(/T/g, ampm ? 'AP' : '')
                .replace(/tt/g, ampm ? 'apm' : '')
                .replace(/t/g, ampm ? 'ap' : '') +
                " " +
                tp_inst._defaults.separator +
                $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat')),
        chr = String.fromCharCode(event.charCode === undefined ? event.keyCode : event.charCode);
      return event.ctrlKey || (chr < ' ' || !datetimeChars || datetimeChars.indexOf(chr) > -1);
    }
  }
  
  return $.datepicker._base_doKeyPress(event);
};

//#######################################################################################
// Override key up event to sync manual input changes.
//#######################################################################################
$.datepicker._base_doKeyUp = $.datepicker._doKeyUp;
$.datepicker._doKeyUp = function (event) {
  var inst = $.datepicker._getInst(event.target),
    tp_inst = $.datepicker._get(inst, 'timepicker');

  if (tp_inst) {
    if (tp_inst._defaults.timeOnly && (inst.input.val() != inst.lastVal)) {
      try {
        $.datepicker._updateDatepicker(inst);
      }
      catch (err) {
        $.datepicker.log(err);
      }
    }
  }

  return $.datepicker._base_doKeyUp(event);
};

//#######################################################################################
// override "Today" button to also grab the time.
//#######################################################################################
$.datepicker._base_gotoToday = $.datepicker._gotoToday;
$.datepicker._gotoToday = function(id) {
  this._base_gotoToday(id);
  this._setTime(this._getInst($(id)[0]), new Date());
};

//#######################################################################################
// Disable & enable the Time in the datetimepicker
//#######################################################################################
$.datepicker._disableTimepickerDatepicker = function(target, date, withDate) {
  var inst = this._getInst(target),
  tp_inst = this._get(inst, 'timepicker');
  if (tp_inst) {
    tp_inst._defaults.showTimepicker = false;
    tp_inst._onTimeChange();
    tp_inst._updateDateTime(inst);
  }
};

$.datepicker._enableTimepickerDatepicker = function(target, date, withDate) {
  var inst = this._getInst(target),
  tp_inst = this._get(inst, 'timepicker');
  if (tp_inst) {
    tp_inst._defaults.showTimepicker = true;
    tp_inst._onTimeChange();
    tp_inst._updateDateTime(inst);
  }
};

//#######################################################################################
// Create our own set time function
//#######################################################################################
$.datepicker._setTime = function(inst, date) {
  var tp_inst = this._get(inst, 'timepicker');
  if (tp_inst) {
    var defaults = tp_inst._defaults,
      // calling _setTime with no date sets time to defaults
      hour = date ? date.getHours() : defaults.hour,
      minute = date ? date.getMinutes() : defaults.minute,
      second = date ? date.getSeconds() : defaults.second;

    //check if within min/max times..
    if ((hour < defaults.hourMin || hour > defaults.hourMax) || (minute < defaults.minuteMin || minute > defaults.minuteMax) || (second < defaults.secondMin || second > defaults.secondMax)) {
      hour = defaults.hourMin;
      minute = defaults.minuteMin;
      second = defaults.secondMin;
    }

    if (tp_inst.hour_slider) tp_inst.hour_slider.slider('value', hour);
    else tp_inst.hour = hour;
    if (tp_inst.minute_slider) tp_inst.minute_slider.slider('value', minute);
    else tp_inst.minute = minute;
    if (tp_inst.second_slider) tp_inst.second_slider.slider('value', second);
    else tp_inst.second = second;

    tp_inst._onTimeChange();
    tp_inst._updateDateTime(inst);
  }
};

//#######################################################################################
// Create new public method to set only time, callable as $().datepicker('setTime', date)
//#######################################################################################
$.datepicker._setTimeDatepicker = function(target, date, withDate) {
  var inst = this._getInst(target),
    tp_inst = this._get(inst, 'timepicker');

  if (tp_inst) {
    this._setDateFromField(inst);
    var tp_date;
    if (date) {
      if (typeof date == "string") {
        tp_inst._parseTime(date, withDate);
        tp_date = new Date();
        tp_date.setHours(tp_inst.hour, tp_inst.minute, tp_inst.second);
      }
      else tp_date = new Date(date.getTime());
      if (tp_date.toString() == 'Invalid Date') tp_date = undefined;
    }
    this._setTime(inst, tp_date);
  }

};

//#######################################################################################
// override setDate() to allow setting time too within Date object
//#######################################################################################
$.datepicker._base_setDateDatepicker = $.datepicker._setDateDatepicker;
$.datepicker._setDateDatepicker = function(target, date) {
  var inst = this._getInst(target),
  tp_date = (date instanceof Date) ? new Date(date.getTime()) : date;

  this._updateDatepicker(inst);
  this._base_setDateDatepicker.apply(this, arguments);
  this._setTimeDatepicker(target, tp_date, true);
};

//#######################################################################################
// override getDate() to allow getting time too within Date object
//#######################################################################################
$.datepicker._base_getDateDatepicker = $.datepicker._getDateDatepicker;
$.datepicker._getDateDatepicker = function(target, noDefault) {
  var inst = this._getInst(target),
    tp_inst = this._get(inst, 'timepicker');

  if (tp_inst) {
    this._setDateFromField(inst, noDefault);
    var date = this._getDate(inst);
    if (date && tp_inst._parseTime($(target).val(), true)) date.setHours(tp_inst.hour, tp_inst.minute, tp_inst.second);
    return date;
  }
  return this._base_getDateDatepicker(target, noDefault);
};

//#######################################################################################
// jQuery extend now ignores nulls!
//#######################################################################################
function extendRemove(target, props) {
  $.extend(target, props);
  for (var name in props)
    if (props[name] === null || props[name] === undefined)
      target[name] = props[name];
  return target;
}

$.timepicker = new Timepicker(); // singleton instance
$.timepicker.version = "0.9.3";

})(jQuery);