From: Vincent Vanwaelscappel <vincent@cubedesigners.com>
Date: Thu, 8 Jun 2023 16:26:25 +0000 (+0200)
Subject: wip #5877 @4
X-Git-Url: http://git.cubedesigners.com/?a=commitdiff_plain;h=9bd837c9688d444a0083fc8b2d0be00486d711f8;p=fluidbook-toolbox.git

wip #5877 @4
---

diff --git a/app/Fluidbook/Stats.php b/app/Fluidbook/Stats.php
index 2f00d0e9e..c1aca3331 100644
--- a/app/Fluidbook/Stats.php
+++ b/app/Fluidbook/Stats.php
@@ -8,6 +8,7 @@ use Carbon\CarbonInterface;
 use Cubist\Matomo\MatomoUtils;
 use Cubist\Matomo\Reporting;
 use Cubist\Util\Data;
+use Illuminate\Support\Collection;
 use NumberFormatter;
 
 class Stats extends Reporting
@@ -213,10 +214,6 @@ class Stats extends Reporting
         $this->setDatesAndPeriod($period_override);
 
         $this->viewData->visits_summary = $this->getVisitsSummary();
-        if($this->fluidbook_id<self::SHOW_VISITORS_CUTOFF && isset($this->viewData->visits_summary['nb_uniq_visitors'])){
-            unset($this->viewData->visits_summary['nb_uniq_visitors']);
-        }
-        dd($this->viewData->visits_summary);
 
         $this->_eventsByPeriod = $this->_processEventsByPeriod();
         $this->_eventsByPage = $this->_processEventsByPage();
@@ -232,7 +229,7 @@ class Stats extends Reporting
         // Note: in order to get the total "nb_uniq_visitors" for the pages, we need to fetch
         // the expanded dataset that includes the subtables of pages. For some reason, Matomo
         // doesn't aggregrate this value when there are sub pages, so we have to do it ourselves
-        $expanded_stats = $this->fluidbook_id >= self::SHOW_VISITORS_CUTOFF ? 1 : 0; // Only fetch extra data when it will be used
+        $expanded_stats = $this->_supportUniqueVisitors() ? 1 : 0; // Only fetch extra data when it will be used
         $this->_pagesByPeriod = collect($this->getPageUrls(['expanded' => $expanded_stats]))
             ->map(function ($item, $date) {
                 return $this->_mapPagesByPeriod($item, $date);
@@ -244,8 +241,6 @@ class Stats extends Reporting
         // The goal is to find the non-empty results and create a list of Carbon date classes from those
         // This list is used to generate the links / formatted dates list + detailed data table
         $this->viewData->period_details = $this->_pagesByPeriod->filter(fn($value, $key) => !empty($value)); // Remove any empty periods
-        //dd($this->viewData->period_details);
-
         $this->viewData->chart_datasets = $this->_processCharts();
 
         // Map of API data to table headings (used to display summaries under the chart)
@@ -259,13 +254,7 @@ class Stats extends Reporting
     {
         //=== CHART PREPARATION
         // Format dates for display as labels on the x-axis and in the tooltips / tables
-        $this->viewData->tooltip_labels = $this->_pagesByPeriod->keys()->mapWithKeys(
-            function ($date, $index) {
-                $short_label = $this->formatDateForXAxis($date, $this->getPeriod(), $this->viewData->start_date, $this->viewData->end_date);
-                $full_label = $this->formatDateForPeriod($date, $this->getPeriod());
-                return [$short_label => $full_label];
-            })
-            ->toArray();
+        $this->viewData->tooltip_labels = $this->getTooltipLabels();
 
         $res = [
             [
@@ -286,7 +275,7 @@ class Stats extends Reporting
             ],
         ];
 
-        if ($this->fluidbook_id >= self::SHOW_VISITORS_CUTOFF) {
+        if ($this->_supportUniqueVisitors()) {
             // Insert the unique visitors dataset at the beginning of the array
             $res = array_merge([
                 [
@@ -310,6 +299,26 @@ class Stats extends Reporting
 
     }
 
+    protected function getTooltipLabels()
+    {
+
+        /** @var Collection $collection */
+        $collection = $this->_pagesByPeriod->keys()->mapWithKeys(
+            function ($date, $index) {
+                $short_label = $this->formatDateForXAxis($date, $this->getPeriod(), $this->viewData->start_date, $this->viewData->end_date);
+                $full_label = $this->formatDateForPeriod($date, $this->getPeriod());
+
+                return [$this->_escapeDots($short_label) => $full_label];
+            });
+        return $collection->toArray();
+    }
+
+    protected function _escapeDots($s)
+    {
+        return str_replace('.', '⋅', $s);
+    }
+
+
 
     protected function _getTableMap()
     {
@@ -317,6 +326,8 @@ class Stats extends Reporting
             // Main summary table
             'summary' => [
                 'formatted_date' => self::getPeriods()[$this->getPeriod()]['singular'],
+                'nb_uniq_visitors' => __('Visiteurs uniques'),
+                'nb_visits' => __('Visites'),
                 'nb_hits' => __('Pages vues'),
                 'nb_links' => __('Liens sortants'),
                 'nb_downloads' => __('Téléchargements'),
@@ -326,8 +337,6 @@ class Stats extends Reporting
             // Per-page detail table
             'per-page' => [
                 'page_group' => __('Pages'),
-                'nb_uniq_visitors' => __('Visites uniques'),
-                'nb_visits' => __('Visites'),
                 'nb_pageviews' => __('Vues'),
                 'nb_zooms' => __('Zooms'),
                 'nb_bookmarks' => __('Pages marquées'),
@@ -336,7 +345,7 @@ class Stats extends Reporting
         ];
 
         // Older Fluidbooks can't show unique visitors (see notes above)
-        if ($this->fluidbook_id < self::SHOW_VISITORS_CUTOFF) {
+        if (!$this->_supportUniqueVisitors()) {
             unset($res['summary']['nb_uniq_visitors']);
             unset($res['per-page']['nb_uniq_visitors']);
         }
@@ -344,6 +353,11 @@ class Stats extends Reporting
 
     }
 
+    protected function _supportUniqueVisitors()
+    {
+        return $this->fluidbook_id >= self::SHOW_VISITORS_CUTOFF && !in_array($this->getPeriod(), ['year', 'range']);
+    }
+
     /**
      * @return array
      */
@@ -382,7 +396,7 @@ class Stats extends Reporting
 
     protected function _mapPagesByPeriod($item, $date)
     {
-        //use ($period, $this->fluidbook_id, $hash, $this->_eventsByPeriod, self::self::SHOW_VISITORS_CUTOFF) {
+        //use ($period, $this->fluidbook_id, $hash, $this->_eventsByPeriod) {
         if (empty($item)) {
             return $item; // Some periods might have no data
         }
@@ -402,15 +416,15 @@ class Stats extends Reporting
         $data = $labelled['page'];
 
         //== Unique Visitors
-        // Matomo doesn't provide an aggregate of unique visitors, so we must do the sum ourselves.
-        // If the period is "day", the number of unique visitors will be in the key 'nb_uniq_visitors'
-        // but if it is a longer period (week, month, year) then the key becomes 'sum_daily_nb_uniq_visitors'
-        if ($this->fluidbook_id >= self::SHOW_VISITORS_CUTOFF) {
-            $unique_visitors_key = $this->getPeriod() === 'day' ? 'nb_uniq_visitors' : 'sum_daily_nb_uniq_visitors';
-            $subpages = collect($data['subtable'] ?? []);
-            $data['nb_uniq_visitors'] = $subpages->sum($unique_visitors_key);
+        if ($this->_supportUniqueVisitors()) {
+            $data['nb_uniq_visitors'] = $this->viewData->visits_summary[$date]['nb_uniq_visitors'];
+        }
+
+        if (isset($this->viewData->visits_summary[$date]['nb_visits'])) {
+            $data['nb_visits'] = $this->viewData->visits_summary[$date]['nb_visits'];
         }
 
+
         $data['raw_date'] = $date; // We still need the raw date for sorting and other formatting purposes
 
         // Formatting of date changes depending on the period
@@ -521,8 +535,6 @@ class Stats extends Reporting
                 $res[$page_group] = [
                     'page_group' => $page_group,
                     'page_number' => $page_number, // Used by table column sorter
-                    'nb_visits' => $pageUrls["/page/$page_number"]['nb_visits'] ?? 0,
-                    'nb_uniq_visitors' => $pageUrls["/page/$page_number"]['sum_daily_nb_uniq_visitors'] ?? 0,
                     'nb_pageviews' => $pageUrls["/page/$page_number"]['nb_hits'] ?? 0,
                     'nb_zooms' => data_get($this->_eventsByPage, "zoom.subtable.$page_number.nb_events", 0),
                     'nb_bookmarks' => data_get($this->_eventsByPage, "bookmark.subtable.$page_number.nb_events", 0),
@@ -541,16 +553,20 @@ class Stats extends Reporting
                     // In this case, page 0 doesn't exist as a bookmarking or sharing option, so nothing else to add.
                 }
 
-            } elseif ($page_number % 2 === 0) {
+            } else {
+
+                $start_page = $page_number;
+                if ($page_number % 2 == 1) {
+                    $start_page--;
+                }
+
                 // Only stats for even pages are considered when grouped (except for bookmarks / shares)
-                $following_page = $page_number + 1; // By logic, there should always be a following page
-                $page_group = $page_number . '—' . $following_page;
+                $following_page = $start_page + 1; // By logic, there should always be a following page
+                $page_group = $start_page . '—' . $following_page;
 
-                $res[$page_group] = [
+                $single_page_data = [
                     'page_group' => $page_group,
                     'page_number' => $page_number, // Used by table column sorter
-                    'nb_visits' => $pageUrls["/page/$page_number"]['nb_visits'] ?? 0,
-                    'nb_uniq_visitors' => $pageUrls["/page/$page_number"]['sum_daily_nb_uniq_visitors'] ?? 0,
                     'nb_pageviews' => $pageUrls["/page/$page_number"]['nb_hits'] ?? 0,
                     'nb_zooms' => data_get($this->_eventsByPage, "zoom.subtable.$page_number.nb_events", 0),
                     // Bookmarks and shares are counted and summed for both pages in the spread
@@ -559,6 +575,30 @@ class Stats extends Reporting
                     'nb_shares' => data_get($this->_eventsByPage, "share.subtable.$page_number.nb_events", 0)
                         + data_get($this->_eventsByPage, "share.subtable.$following_page.nb_events", 0),
                 ];
+
+                if (isset($res[$page_group])) {
+                    $res[$page_group] = $this->_sumArrays($res[$page_group], $single_page_data);
+                } else {
+                    $res[$page_group] = $single_page_data;
+                }
+            }
+        }
+        return $res;
+    }
+
+    protected function _sumArrays()
+    {
+        $res = [];
+        foreach (func_get_args() as $array) {
+            foreach ($array as $k => $v) {
+                if (!isset($res[$k])) {
+                    $res[$k] = 0;
+                }
+                if (is_numeric($v)) {
+                    $res[$k] += $v;
+                } else {
+                    $res[$k] = $v;
+                }
             }
         }
         return $res;
diff --git a/public/packages/daterangepicker/daterangepicker.css b/public/packages/daterangepicker/daterangepicker.css
new file mode 100644
index 000000000..a96380496
--- /dev/null
+++ b/public/packages/daterangepicker/daterangepicker.css
@@ -0,0 +1,410 @@
+.daterangepicker {
+  position: absolute;
+  color: inherit;
+  background-color: #fff;
+  border-radius: 4px;
+  border: 1px solid #ddd;
+  width: 278px;
+  max-width: none;
+  padding: 0;
+  margin-top: 7px;
+  top: 100px;
+  left: 20px;
+  z-index: 3001;
+  display: none;
+  font-family: arial;
+  font-size: 15px;
+  line-height: 1em;
+}
+
+.daterangepicker:before, .daterangepicker:after {
+  position: absolute;
+  display: inline-block;
+  border-bottom-color: rgba(0, 0, 0, 0.2);
+  content: '';
+}
+
+.daterangepicker:before {
+  top: -7px;
+  border-right: 7px solid transparent;
+  border-left: 7px solid transparent;
+  border-bottom: 7px solid #ccc;
+}
+
+.daterangepicker:after {
+  top: -6px;
+  border-right: 6px solid transparent;
+  border-bottom: 6px solid #fff;
+  border-left: 6px solid transparent;
+}
+
+.daterangepicker.opensleft:before {
+  right: 9px;
+}
+
+.daterangepicker.opensleft:after {
+  right: 10px;
+}
+
+.daterangepicker.openscenter:before {
+  left: 0;
+  right: 0;
+  width: 0;
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.daterangepicker.openscenter:after {
+  left: 0;
+  right: 0;
+  width: 0;
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.daterangepicker.opensright:before {
+  left: 9px;
+}
+
+.daterangepicker.opensright:after {
+  left: 10px;
+}
+
+.daterangepicker.drop-up {
+  margin-top: -7px;
+}
+
+.daterangepicker.drop-up:before {
+  top: initial;
+  bottom: -7px;
+  border-bottom: initial;
+  border-top: 7px solid #ccc;
+}
+
+.daterangepicker.drop-up:after {
+  top: initial;
+  bottom: -6px;
+  border-bottom: initial;
+  border-top: 6px solid #fff;
+}
+
+.daterangepicker.single .daterangepicker .ranges, .daterangepicker.single .drp-calendar {
+  float: none;
+}
+
+.daterangepicker.single .drp-selected {
+  display: none;
+}
+
+.daterangepicker.show-calendar .drp-calendar {
+  display: block;
+}
+
+.daterangepicker.show-calendar .drp-buttons {
+  display: block;
+}
+
+.daterangepicker.auto-apply .drp-buttons {
+  display: none;
+}
+
+.daterangepicker .drp-calendar {
+  display: none;
+  max-width: 270px;
+}
+
+.daterangepicker .drp-calendar.left {
+  padding: 8px 0 8px 8px;
+}
+
+.daterangepicker .drp-calendar.right {
+  padding: 8px;
+}
+
+.daterangepicker .drp-calendar.single .calendar-table {
+  border: none;
+}
+
+.daterangepicker .calendar-table .next span, .daterangepicker .calendar-table .prev span {
+  color: #fff;
+  border: solid black;
+  border-width: 0 2px 2px 0;
+  border-radius: 0;
+  display: inline-block;
+  padding: 3px;
+}
+
+.daterangepicker .calendar-table .next span {
+  transform: rotate(-45deg);
+  -webkit-transform: rotate(-45deg);
+}
+
+.daterangepicker .calendar-table .prev span {
+  transform: rotate(135deg);
+  -webkit-transform: rotate(135deg);
+}
+
+.daterangepicker .calendar-table th, .daterangepicker .calendar-table td {
+  white-space: nowrap;
+  text-align: center;
+  vertical-align: middle;
+  min-width: 32px;
+  width: 32px;
+  height: 24px;
+  line-height: 24px;
+  font-size: 12px;
+  border-radius: 4px;
+  border: 1px solid transparent;
+  white-space: nowrap;
+  cursor: pointer;
+}
+
+.daterangepicker .calendar-table {
+  border: 1px solid #fff;
+  border-radius: 4px;
+  background-color: #fff;
+}
+
+.daterangepicker .calendar-table table {
+  width: 100%;
+  margin: 0;
+  border-spacing: 0;
+  border-collapse: collapse;
+}
+
+.daterangepicker td.available:hover, .daterangepicker th.available:hover {
+  background-color: #eee;
+  border-color: transparent;
+  color: inherit;
+}
+
+.daterangepicker td.week, .daterangepicker th.week {
+  font-size: 80%;
+  color: #ccc;
+}
+
+.daterangepicker td.off, .daterangepicker td.off.in-range, .daterangepicker td.off.start-date, .daterangepicker td.off.end-date {
+  background-color: #fff;
+  border-color: transparent;
+  color: #999;
+}
+
+.daterangepicker td.in-range {
+  background-color: #ebf4f8;
+  border-color: transparent;
+  color: #000;
+  border-radius: 0;
+}
+
+.daterangepicker td.start-date {
+  border-radius: 4px 0 0 4px;
+}
+
+.daterangepicker td.end-date {
+  border-radius: 0 4px 4px 0;
+}
+
+.daterangepicker td.start-date.end-date {
+  border-radius: 4px;
+}
+
+.daterangepicker td.active, .daterangepicker td.active:hover {
+  background-color: #357ebd;
+  border-color: transparent;
+  color: #fff;
+}
+
+.daterangepicker th.month {
+  width: auto;
+}
+
+.daterangepicker td.disabled, .daterangepicker option.disabled {
+  color: #999;
+  cursor: not-allowed;
+  text-decoration: line-through;
+}
+
+.daterangepicker select.monthselect, .daterangepicker select.yearselect {
+  font-size: 12px;
+  padding: 1px;
+  height: auto;
+  margin: 0;
+  cursor: default;
+}
+
+.daterangepicker select.monthselect {
+  margin-right: 2%;
+  width: 56%;
+}
+
+.daterangepicker select.yearselect {
+  width: 40%;
+}
+
+.daterangepicker select.hourselect, .daterangepicker select.minuteselect, .daterangepicker select.secondselect, .daterangepicker select.ampmselect {
+  width: 50px;
+  margin: 0 auto;
+  background: #eee;
+  border: 1px solid #eee;
+  padding: 2px;
+  outline: 0;
+  font-size: 12px;
+}
+
+.daterangepicker .calendar-time {
+  text-align: center;
+  margin: 4px auto 0 auto;
+  line-height: 30px;
+  position: relative;
+}
+
+.daterangepicker .calendar-time select.disabled {
+  color: #ccc;
+  cursor: not-allowed;
+}
+
+.daterangepicker .drp-buttons {
+  clear: both;
+  text-align: right;
+  padding: 8px;
+  border-top: 1px solid #ddd;
+  display: none;
+  line-height: 12px;
+  vertical-align: middle;
+}
+
+.daterangepicker .drp-selected {
+  display: inline-block;
+  font-size: 12px;
+  padding-right: 8px;
+}
+
+.daterangepicker .drp-buttons .btn {
+  margin-left: 8px;
+  font-size: 12px;
+  font-weight: bold;
+  padding: 4px 8px;
+}
+
+.daterangepicker.show-ranges.single.rtl .drp-calendar.left {
+  border-right: 1px solid #ddd;
+}
+
+.daterangepicker.show-ranges.single.ltr .drp-calendar.left {
+  border-left: 1px solid #ddd;
+}
+
+.daterangepicker.show-ranges.rtl .drp-calendar.right {
+  border-right: 1px solid #ddd;
+}
+
+.daterangepicker.show-ranges.ltr .drp-calendar.left {
+  border-left: 1px solid #ddd;
+}
+
+.daterangepicker .ranges {
+  float: none;
+  text-align: left;
+  margin: 0;
+}
+
+.daterangepicker.show-calendar .ranges {
+  margin-top: 8px;
+}
+
+.daterangepicker .ranges ul {
+  list-style: none;
+  margin: 0 auto;
+  padding: 0;
+  width: 100%;
+}
+
+.daterangepicker .ranges li {
+  font-size: 12px;
+  padding: 8px 12px;
+  cursor: pointer;
+}
+
+.daterangepicker .ranges li:hover {
+  background-color: #eee;
+}
+
+.daterangepicker .ranges li.active {
+  background-color: #08c;
+  color: #fff;
+}
+
+/*  Larger Screen Styling */
+@media (min-width: 564px) {
+  .daterangepicker {
+    width: auto;
+  }
+
+  .daterangepicker .ranges ul {
+    width: 140px;
+  }
+
+  .daterangepicker.single .ranges ul {
+    width: 100%;
+  }
+
+  .daterangepicker.single .drp-calendar.left {
+    clear: none;
+  }
+
+  .daterangepicker.single .ranges, .daterangepicker.single .drp-calendar {
+    float: left;
+  }
+
+  .daterangepicker {
+    direction: ltr;
+    text-align: left;
+  }
+
+  .daterangepicker .drp-calendar.left {
+    clear: left;
+    margin-right: 0;
+  }
+
+  .daterangepicker .drp-calendar.left .calendar-table {
+    border-right: none;
+    border-top-right-radius: 0;
+    border-bottom-right-radius: 0;
+  }
+
+  .daterangepicker .drp-calendar.right {
+    margin-left: 0;
+  }
+
+  .daterangepicker .drp-calendar.right .calendar-table {
+    border-left: none;
+    border-top-left-radius: 0;
+    border-bottom-left-radius: 0;
+  }
+
+  .daterangepicker .drp-calendar.left .calendar-table {
+    padding-right: 8px;
+  }
+
+  .daterangepicker .ranges, .daterangepicker .drp-calendar {
+    float: left;
+  }
+}
+
+@media (min-width: 730px) {
+  .daterangepicker .ranges {
+    width: auto;
+  }
+
+  .daterangepicker .ranges {
+    float: left;
+  }
+
+  .daterangepicker.rtl .ranges {
+    float: right;
+  }
+
+  .daterangepicker .drp-calendar.left {
+    clear: none !important;
+  }
+}
diff --git a/public/packages/daterangepicker/daterangepicker.js b/public/packages/daterangepicker/daterangepicker.js
new file mode 100644
index 000000000..5f7d304b5
--- /dev/null
+++ b/public/packages/daterangepicker/daterangepicker.js
@@ -0,0 +1,1578 @@
+/**
+* @version: 3.1
+* @author: Dan Grossman http://www.dangrossman.info/
+* @copyright: Copyright (c) 2012-2019 Dan Grossman. All rights reserved.
+* @license: Licensed under the MIT license. See http://www.opensource.org/licenses/mit-license.php
+* @website: http://www.daterangepicker.com/
+*/
+// Following the UMD template https://github.com/umdjs/umd/blob/master/templates/returnExportsGlobal.js
+(function (root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Make globaly available as well
+        define(['moment', 'jquery'], function (moment, jquery) {
+            if (!jquery.fn) jquery.fn = {}; // webpack server rendering
+            if (typeof moment !== 'function' && moment.hasOwnProperty('default')) moment = moment['default']
+            return factory(moment, jquery);
+        });
+    } else if (typeof module === 'object' && module.exports) {
+        // Node / Browserify
+        //isomorphic issue
+        var jQuery = (typeof window != 'undefined') ? window.jQuery : undefined;
+        if (!jQuery) {
+            jQuery = require('jquery');
+            if (!jQuery.fn) jQuery.fn = {};
+        }
+        var moment = (typeof window != 'undefined' && typeof window.moment != 'undefined') ? window.moment : require('moment');
+        module.exports = factory(moment, jQuery);
+    } else {
+        // Browser globals
+        root.daterangepicker = factory(root.moment, root.jQuery);
+    }
+}(typeof window !== 'undefined' ? window : this, function(moment, $) {
+    var DateRangePicker = function(element, options, cb) {
+
+        //default settings for options
+        this.parentEl = 'body';
+        this.element = $(element);
+        this.startDate = moment().startOf('day');
+        this.endDate = moment().endOf('day');
+        this.minDate = false;
+        this.maxDate = false;
+        this.maxSpan = false;
+        this.autoApply = false;
+        this.singleDatePicker = false;
+        this.showDropdowns = false;
+        this.minYear = moment().subtract(100, 'year').format('YYYY');
+        this.maxYear = moment().add(100, 'year').format('YYYY');
+        this.showWeekNumbers = false;
+        this.showISOWeekNumbers = false;
+        this.showCustomRangeLabel = true;
+        this.timePicker = false;
+        this.timePicker24Hour = false;
+        this.timePickerIncrement = 1;
+        this.timePickerSeconds = false;
+        this.linkedCalendars = true;
+        this.autoUpdateInput = true;
+        this.alwaysShowCalendars = false;
+        this.ranges = {};
+
+        this.opens = 'right';
+        if (this.element.hasClass('pull-right'))
+            this.opens = 'left';
+
+        this.drops = 'down';
+        if (this.element.hasClass('dropup'))
+            this.drops = 'up';
+
+        this.buttonClasses = 'btn btn-sm';
+        this.applyButtonClasses = 'btn-primary';
+        this.cancelButtonClasses = 'btn-default';
+
+        this.locale = {
+            direction: 'ltr',
+            format: moment.localeData().longDateFormat('L'),
+            separator: ' - ',
+            applyLabel: 'Apply',
+            cancelLabel: 'Cancel',
+            weekLabel: 'W',
+            customRangeLabel: 'Custom Range',
+            daysOfWeek: moment.weekdaysMin(),
+            monthNames: moment.monthsShort(),
+            firstDay: moment.localeData().firstDayOfWeek()
+        };
+
+        this.callback = function() { };
+
+        //some state information
+        this.isShowing = false;
+        this.leftCalendar = {};
+        this.rightCalendar = {};
+
+        //custom options from user
+        if (typeof options !== 'object' || options === null)
+            options = {};
+
+        //allow setting options with data attributes
+        //data-api options will be overwritten with custom javascript options
+        options = $.extend(this.element.data(), options);
+
+        //html template for the picker UI
+        if (typeof options.template !== 'string' && !(options.template instanceof $))
+            options.template =
+            '<div class="daterangepicker">' +
+                '<div class="ranges"></div>' +
+                '<div class="drp-calendar left">' +
+                    '<div class="calendar-table"></div>' +
+                    '<div class="calendar-time"></div>' +
+                '</div>' +
+                '<div class="drp-calendar right">' +
+                    '<div class="calendar-table"></div>' +
+                    '<div class="calendar-time"></div>' +
+                '</div>' +
+                '<div class="drp-buttons">' +
+                    '<span class="drp-selected"></span>' +
+                    '<button class="cancelBtn" type="button"></button>' +
+                    '<button class="applyBtn" disabled="disabled" type="button"></button> ' +
+                '</div>' +
+            '</div>';
+
+        this.parentEl = (options.parentEl && $(options.parentEl).length) ? $(options.parentEl) : $(this.parentEl);
+        this.container = $(options.template).appendTo(this.parentEl);
+
+        //
+        // handle all the possible options overriding defaults
+        //
+
+        if (typeof options.locale === 'object') {
+
+            if (typeof options.locale.direction === 'string')
+                this.locale.direction = options.locale.direction;
+
+            if (typeof options.locale.format === 'string')
+                this.locale.format = options.locale.format;
+
+            if (typeof options.locale.separator === 'string')
+                this.locale.separator = options.locale.separator;
+
+            if (typeof options.locale.daysOfWeek === 'object')
+                this.locale.daysOfWeek = options.locale.daysOfWeek.slice();
+
+            if (typeof options.locale.monthNames === 'object')
+              this.locale.monthNames = options.locale.monthNames.slice();
+
+            if (typeof options.locale.firstDay === 'number')
+              this.locale.firstDay = options.locale.firstDay;
+
+            if (typeof options.locale.applyLabel === 'string')
+              this.locale.applyLabel = options.locale.applyLabel;
+
+            if (typeof options.locale.cancelLabel === 'string')
+              this.locale.cancelLabel = options.locale.cancelLabel;
+
+            if (typeof options.locale.weekLabel === 'string')
+              this.locale.weekLabel = options.locale.weekLabel;
+
+            if (typeof options.locale.customRangeLabel === 'string'){
+                //Support unicode chars in the custom range name.
+                var elem = document.createElement('textarea');
+                elem.innerHTML = options.locale.customRangeLabel;
+                var rangeHtml = elem.value;
+                this.locale.customRangeLabel = rangeHtml;
+            }
+        }
+        this.container.addClass(this.locale.direction);
+
+        if (typeof options.startDate === 'string')
+            this.startDate = moment(options.startDate, this.locale.format);
+
+        if (typeof options.endDate === 'string')
+            this.endDate = moment(options.endDate, this.locale.format);
+
+        if (typeof options.minDate === 'string')
+            this.minDate = moment(options.minDate, this.locale.format);
+
+        if (typeof options.maxDate === 'string')
+            this.maxDate = moment(options.maxDate, this.locale.format);
+
+        if (typeof options.startDate === 'object')
+            this.startDate = moment(options.startDate);
+
+        if (typeof options.endDate === 'object')
+            this.endDate = moment(options.endDate);
+
+        if (typeof options.minDate === 'object')
+            this.minDate = moment(options.minDate);
+
+        if (typeof options.maxDate === 'object')
+            this.maxDate = moment(options.maxDate);
+
+        // sanity check for bad options
+        if (this.minDate && this.startDate.isBefore(this.minDate))
+            this.startDate = this.minDate.clone();
+
+        // sanity check for bad options
+        if (this.maxDate && this.endDate.isAfter(this.maxDate))
+            this.endDate = this.maxDate.clone();
+
+        if (typeof options.applyButtonClasses === 'string')
+            this.applyButtonClasses = options.applyButtonClasses;
+
+        if (typeof options.applyClass === 'string') //backwards compat
+            this.applyButtonClasses = options.applyClass;
+
+        if (typeof options.cancelButtonClasses === 'string')
+            this.cancelButtonClasses = options.cancelButtonClasses;
+
+        if (typeof options.cancelClass === 'string') //backwards compat
+            this.cancelButtonClasses = options.cancelClass;
+
+        if (typeof options.maxSpan === 'object')
+            this.maxSpan = options.maxSpan;
+
+        if (typeof options.dateLimit === 'object') //backwards compat
+            this.maxSpan = options.dateLimit;
+
+        if (typeof options.opens === 'string')
+            this.opens = options.opens;
+
+        if (typeof options.drops === 'string')
+            this.drops = options.drops;
+
+        if (typeof options.showWeekNumbers === 'boolean')
+            this.showWeekNumbers = options.showWeekNumbers;
+
+        if (typeof options.showISOWeekNumbers === 'boolean')
+            this.showISOWeekNumbers = options.showISOWeekNumbers;
+
+        if (typeof options.buttonClasses === 'string')
+            this.buttonClasses = options.buttonClasses;
+
+        if (typeof options.buttonClasses === 'object')
+            this.buttonClasses = options.buttonClasses.join(' ');
+
+        if (typeof options.showDropdowns === 'boolean')
+            this.showDropdowns = options.showDropdowns;
+
+        if (typeof options.minYear === 'number')
+            this.minYear = options.minYear;
+
+        if (typeof options.maxYear === 'number')
+            this.maxYear = options.maxYear;
+
+        if (typeof options.showCustomRangeLabel === 'boolean')
+            this.showCustomRangeLabel = options.showCustomRangeLabel;
+
+        if (typeof options.singleDatePicker === 'boolean') {
+            this.singleDatePicker = options.singleDatePicker;
+            if (this.singleDatePicker)
+                this.endDate = this.startDate.clone();
+        }
+
+        if (typeof options.timePicker === 'boolean')
+            this.timePicker = options.timePicker;
+
+        if (typeof options.timePickerSeconds === 'boolean')
+            this.timePickerSeconds = options.timePickerSeconds;
+
+        if (typeof options.timePickerIncrement === 'number')
+            this.timePickerIncrement = options.timePickerIncrement;
+
+        if (typeof options.timePicker24Hour === 'boolean')
+            this.timePicker24Hour = options.timePicker24Hour;
+
+        if (typeof options.autoApply === 'boolean')
+            this.autoApply = options.autoApply;
+
+        if (typeof options.autoUpdateInput === 'boolean')
+            this.autoUpdateInput = options.autoUpdateInput;
+
+        if (typeof options.linkedCalendars === 'boolean')
+            this.linkedCalendars = options.linkedCalendars;
+
+        if (typeof options.isInvalidDate === 'function')
+            this.isInvalidDate = options.isInvalidDate;
+
+        if (typeof options.isCustomDate === 'function')
+            this.isCustomDate = options.isCustomDate;
+
+        if (typeof options.alwaysShowCalendars === 'boolean')
+            this.alwaysShowCalendars = options.alwaysShowCalendars;
+
+        // update day names order to firstDay
+        if (this.locale.firstDay != 0) {
+            var iterator = this.locale.firstDay;
+            while (iterator > 0) {
+                this.locale.daysOfWeek.push(this.locale.daysOfWeek.shift());
+                iterator--;
+            }
+        }
+
+        var start, end, range;
+
+        //if no start/end dates set, check if an input element contains initial values
+        if (typeof options.startDate === 'undefined' && typeof options.endDate === 'undefined') {
+            if ($(this.element).is(':text')) {
+                var val = $(this.element).val(),
+                    split = val.split(this.locale.separator);
+
+                start = end = null;
+
+                if (split.length == 2) {
+                    start = moment(split[0], this.locale.format);
+                    end = moment(split[1], this.locale.format);
+                } else if (this.singleDatePicker && val !== "") {
+                    start = moment(val, this.locale.format);
+                    end = moment(val, this.locale.format);
+                }
+                if (start !== null && end !== null) {
+                    this.setStartDate(start);
+                    this.setEndDate(end);
+                }
+            }
+        }
+
+        if (typeof options.ranges === 'object') {
+            for (range in options.ranges) {
+
+                if (typeof options.ranges[range][0] === 'string')
+                    start = moment(options.ranges[range][0], this.locale.format);
+                else
+                    start = moment(options.ranges[range][0]);
+
+                if (typeof options.ranges[range][1] === 'string')
+                    end = moment(options.ranges[range][1], this.locale.format);
+                else
+                    end = moment(options.ranges[range][1]);
+
+                // If the start or end date exceed those allowed by the minDate or maxSpan
+                // options, shorten the range to the allowable period.
+                if (this.minDate && start.isBefore(this.minDate))
+                    start = this.minDate.clone();
+
+                var maxDate = this.maxDate;
+                if (this.maxSpan && maxDate && start.clone().add(this.maxSpan).isAfter(maxDate))
+                    maxDate = start.clone().add(this.maxSpan);
+                if (maxDate && end.isAfter(maxDate))
+                    end = maxDate.clone();
+
+                // If the end of the range is before the minimum or the start of the range is
+                // after the maximum, don't display this range option at all.
+                if ((this.minDate && end.isBefore(this.minDate, this.timepicker ? 'minute' : 'day'))
+                  || (maxDate && start.isAfter(maxDate, this.timepicker ? 'minute' : 'day')))
+                    continue;
+
+                //Support unicode chars in the range names.
+                var elem = document.createElement('textarea');
+                elem.innerHTML = range;
+                var rangeHtml = elem.value;
+
+                this.ranges[rangeHtml] = [start, end];
+            }
+
+            var list = '<ul>';
+            for (range in this.ranges) {
+                list += '<li data-range-key="' + range + '">' + range + '</li>';
+            }
+            if (this.showCustomRangeLabel) {
+                list += '<li data-range-key="' + this.locale.customRangeLabel + '">' + this.locale.customRangeLabel + '</li>';
+            }
+            list += '</ul>';
+            this.container.find('.ranges').prepend(list);
+        }
+
+        if (typeof cb === 'function') {
+            this.callback = cb;
+        }
+
+        if (!this.timePicker) {
+            this.startDate = this.startDate.startOf('day');
+            this.endDate = this.endDate.endOf('day');
+            this.container.find('.calendar-time').hide();
+        }
+
+        //can't be used together for now
+        if (this.timePicker && this.autoApply)
+            this.autoApply = false;
+
+        if (this.autoApply) {
+            this.container.addClass('auto-apply');
+        }
+
+        if (typeof options.ranges === 'object')
+            this.container.addClass('show-ranges');
+
+        if (this.singleDatePicker) {
+            this.container.addClass('single');
+            this.container.find('.drp-calendar.left').addClass('single');
+            this.container.find('.drp-calendar.left').show();
+            this.container.find('.drp-calendar.right').hide();
+            if (!this.timePicker && this.autoApply) {
+                this.container.addClass('auto-apply');
+            }
+        }
+
+        if ((typeof options.ranges === 'undefined' && !this.singleDatePicker) || this.alwaysShowCalendars) {
+            this.container.addClass('show-calendar');
+        }
+
+        this.container.addClass('opens' + this.opens);
+
+        //apply CSS classes and labels to buttons
+        this.container.find('.applyBtn, .cancelBtn').addClass(this.buttonClasses);
+        if (this.applyButtonClasses.length)
+            this.container.find('.applyBtn').addClass(this.applyButtonClasses);
+        if (this.cancelButtonClasses.length)
+            this.container.find('.cancelBtn').addClass(this.cancelButtonClasses);
+        this.container.find('.applyBtn').html(this.locale.applyLabel);
+        this.container.find('.cancelBtn').html(this.locale.cancelLabel);
+
+        //
+        // event listeners
+        //
+
+        this.container.find('.drp-calendar')
+            .on('click.daterangepicker', '.prev', $.proxy(this.clickPrev, this))
+            .on('click.daterangepicker', '.next', $.proxy(this.clickNext, this))
+            .on('mousedown.daterangepicker', 'td.available', $.proxy(this.clickDate, this))
+            .on('mouseenter.daterangepicker', 'td.available', $.proxy(this.hoverDate, this))
+            .on('change.daterangepicker', 'select.yearselect', $.proxy(this.monthOrYearChanged, this))
+            .on('change.daterangepicker', 'select.monthselect', $.proxy(this.monthOrYearChanged, this))
+            .on('change.daterangepicker', 'select.hourselect,select.minuteselect,select.secondselect,select.ampmselect', $.proxy(this.timeChanged, this));
+
+        this.container.find('.ranges')
+            .on('click.daterangepicker', 'li', $.proxy(this.clickRange, this));
+
+        this.container.find('.drp-buttons')
+            .on('click.daterangepicker', 'button.applyBtn', $.proxy(this.clickApply, this))
+            .on('click.daterangepicker', 'button.cancelBtn', $.proxy(this.clickCancel, this));
+
+        if (this.element.is('input') || this.element.is('button')) {
+            this.element.on({
+                'click.daterangepicker': $.proxy(this.show, this),
+                'focus.daterangepicker': $.proxy(this.show, this),
+                'keyup.daterangepicker': $.proxy(this.elementChanged, this),
+                'keydown.daterangepicker': $.proxy(this.keydown, this) //IE 11 compatibility
+            });
+        } else {
+            this.element.on('click.daterangepicker', $.proxy(this.toggle, this));
+            this.element.on('keydown.daterangepicker', $.proxy(this.toggle, this));
+        }
+
+        //
+        // if attached to a text input, set the initial value
+        //
+
+        this.updateElement();
+
+    };
+
+    DateRangePicker.prototype = {
+
+        constructor: DateRangePicker,
+
+        setStartDate: function(startDate) {
+            if (typeof startDate === 'string')
+                this.startDate = moment(startDate, this.locale.format);
+
+            if (typeof startDate === 'object')
+                this.startDate = moment(startDate);
+
+            if (!this.timePicker)
+                this.startDate = this.startDate.startOf('day');
+
+            if (this.timePicker && this.timePickerIncrement)
+                this.startDate.minute(Math.round(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
+
+            if (this.minDate && this.startDate.isBefore(this.minDate)) {
+                this.startDate = this.minDate.clone();
+                if (this.timePicker && this.timePickerIncrement)
+                    this.startDate.minute(Math.round(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
+            }
+
+            if (this.maxDate && this.startDate.isAfter(this.maxDate)) {
+                this.startDate = this.maxDate.clone();
+                if (this.timePicker && this.timePickerIncrement)
+                    this.startDate.minute(Math.floor(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
+            }
+
+            if (!this.isShowing)
+                this.updateElement();
+
+            this.updateMonthsInView();
+        },
+
+        setEndDate: function(endDate) {
+            if (typeof endDate === 'string')
+                this.endDate = moment(endDate, this.locale.format);
+
+            if (typeof endDate === 'object')
+                this.endDate = moment(endDate);
+
+            if (!this.timePicker)
+                this.endDate = this.endDate.endOf('day');
+
+            if (this.timePicker && this.timePickerIncrement)
+                this.endDate.minute(Math.round(this.endDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
+
+            if (this.endDate.isBefore(this.startDate))
+                this.endDate = this.startDate.clone();
+
+            if (this.maxDate && this.endDate.isAfter(this.maxDate))
+                this.endDate = this.maxDate.clone();
+
+            if (this.maxSpan && this.startDate.clone().add(this.maxSpan).isBefore(this.endDate))
+                this.endDate = this.startDate.clone().add(this.maxSpan);
+
+            this.previousRightTime = this.endDate.clone();
+
+            this.container.find('.drp-selected').html(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
+
+            if (!this.isShowing)
+                this.updateElement();
+
+            this.updateMonthsInView();
+        },
+
+        isInvalidDate: function() {
+            return false;
+        },
+
+        isCustomDate: function() {
+            return false;
+        },
+
+        updateView: function() {
+            if (this.timePicker) {
+                this.renderTimePicker('left');
+                this.renderTimePicker('right');
+                if (!this.endDate) {
+                    this.container.find('.right .calendar-time select').prop('disabled', true).addClass('disabled');
+                } else {
+                    this.container.find('.right .calendar-time select').prop('disabled', false).removeClass('disabled');
+                }
+            }
+            if (this.endDate)
+                this.container.find('.drp-selected').html(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
+            this.updateMonthsInView();
+            this.updateCalendars();
+            this.updateFormInputs();
+        },
+
+        updateMonthsInView: function() {
+            if (this.endDate) {
+
+                //if both dates are visible already, do nothing
+                if (!this.singleDatePicker && this.leftCalendar.month && this.rightCalendar.month &&
+                    (this.startDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.startDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
+                    &&
+                    (this.endDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.endDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
+                    ) {
+                    return;
+                }
+
+                this.leftCalendar.month = this.startDate.clone().date(2);
+                if (!this.linkedCalendars && (this.endDate.month() != this.startDate.month() || this.endDate.year() != this.startDate.year())) {
+                    this.rightCalendar.month = this.endDate.clone().date(2);
+                } else {
+                    this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
+                }
+
+            } else {
+                if (this.leftCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM') && this.rightCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM')) {
+                    this.leftCalendar.month = this.startDate.clone().date(2);
+                    this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
+                }
+            }
+            if (this.maxDate && this.linkedCalendars && !this.singleDatePicker && this.rightCalendar.month > this.maxDate) {
+              this.rightCalendar.month = this.maxDate.clone().date(2);
+              this.leftCalendar.month = this.maxDate.clone().date(2).subtract(1, 'month');
+            }
+        },
+
+        updateCalendars: function() {
+
+            if (this.timePicker) {
+                var hour, minute, second;
+                if (this.endDate) {
+                    hour = parseInt(this.container.find('.left .hourselect').val(), 10);
+                    minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
+                    if (isNaN(minute)) {
+                        minute = parseInt(this.container.find('.left .minuteselect option:last').val(), 10);
+                    }
+                    second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
+                    if (!this.timePicker24Hour) {
+                        var ampm = this.container.find('.left .ampmselect').val();
+                        if (ampm === 'PM' && hour < 12)
+                            hour += 12;
+                        if (ampm === 'AM' && hour === 12)
+                            hour = 0;
+                    }
+                } else {
+                    hour = parseInt(this.container.find('.right .hourselect').val(), 10);
+                    minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
+                    if (isNaN(minute)) {
+                        minute = parseInt(this.container.find('.right .minuteselect option:last').val(), 10);
+                    }
+                    second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
+                    if (!this.timePicker24Hour) {
+                        var ampm = this.container.find('.right .ampmselect').val();
+                        if (ampm === 'PM' && hour < 12)
+                            hour += 12;
+                        if (ampm === 'AM' && hour === 12)
+                            hour = 0;
+                    }
+                }
+                this.leftCalendar.month.hour(hour).minute(minute).second(second);
+                this.rightCalendar.month.hour(hour).minute(minute).second(second);
+            }
+
+            this.renderCalendar('left');
+            this.renderCalendar('right');
+
+            //highlight any predefined range matching the current start and end dates
+            this.container.find('.ranges li').removeClass('active');
+            if (this.endDate == null) return;
+
+            this.calculateChosenLabel();
+        },
+
+        renderCalendar: function(side) {
+
+            //
+            // Build the matrix of dates that will populate the calendar
+            //
+
+            var calendar = side == 'left' ? this.leftCalendar : this.rightCalendar;
+            var month = calendar.month.month();
+            var year = calendar.month.year();
+            var hour = calendar.month.hour();
+            var minute = calendar.month.minute();
+            var second = calendar.month.second();
+            var daysInMonth = moment([year, month]).daysInMonth();
+            var firstDay = moment([year, month, 1]);
+            var lastDay = moment([year, month, daysInMonth]);
+            var lastMonth = moment(firstDay).subtract(1, 'month').month();
+            var lastYear = moment(firstDay).subtract(1, 'month').year();
+            var daysInLastMonth = moment([lastYear, lastMonth]).daysInMonth();
+            var dayOfWeek = firstDay.day();
+
+            //initialize a 6 rows x 7 columns array for the calendar
+            var calendar = [];
+            calendar.firstDay = firstDay;
+            calendar.lastDay = lastDay;
+
+            for (var i = 0; i < 6; i++) {
+                calendar[i] = [];
+            }
+
+            //populate the calendar with date objects
+            var startDay = daysInLastMonth - dayOfWeek + this.locale.firstDay + 1;
+            if (startDay > daysInLastMonth)
+                startDay -= 7;
+
+            if (dayOfWeek == this.locale.firstDay)
+                startDay = daysInLastMonth - 6;
+
+            var curDate = moment([lastYear, lastMonth, startDay, 12, minute, second]);
+
+            var col, row;
+            for (var i = 0, col = 0, row = 0; i < 42; i++, col++, curDate = moment(curDate).add(24, 'hour')) {
+                if (i > 0 && col % 7 === 0) {
+                    col = 0;
+                    row++;
+                }
+                calendar[row][col] = curDate.clone().hour(hour).minute(minute).second(second);
+                curDate.hour(12);
+
+                if (this.minDate && calendar[row][col].format('YYYY-MM-DD') == this.minDate.format('YYYY-MM-DD') && calendar[row][col].isBefore(this.minDate) && side == 'left') {
+                    calendar[row][col] = this.minDate.clone();
+                }
+
+                if (this.maxDate && calendar[row][col].format('YYYY-MM-DD') == this.maxDate.format('YYYY-MM-DD') && calendar[row][col].isAfter(this.maxDate) && side == 'right') {
+                    calendar[row][col] = this.maxDate.clone();
+                }
+
+            }
+
+            //make the calendar object available to hoverDate/clickDate
+            if (side == 'left') {
+                this.leftCalendar.calendar = calendar;
+            } else {
+                this.rightCalendar.calendar = calendar;
+            }
+
+            //
+            // Display the calendar
+            //
+
+            var minDate = side == 'left' ? this.minDate : this.startDate;
+            var maxDate = this.maxDate;
+            var selected = side == 'left' ? this.startDate : this.endDate;
+            var arrow = this.locale.direction == 'ltr' ? {left: 'chevron-left', right: 'chevron-right'} : {left: 'chevron-right', right: 'chevron-left'};
+
+            var html = '<table class="table-condensed">';
+            html += '<thead>';
+            html += '<tr>';
+
+            // add empty cell for week number
+            if (this.showWeekNumbers || this.showISOWeekNumbers)
+                html += '<th></th>';
+
+            if ((!minDate || minDate.isBefore(calendar.firstDay)) && (!this.linkedCalendars || side == 'left')) {
+                html += '<th class="prev available"><span></span></th>';
+            } else {
+                html += '<th></th>';
+            }
+
+            var dateHtml = this.locale.monthNames[calendar[1][1].month()] + calendar[1][1].format(" YYYY");
+
+            if (this.showDropdowns) {
+                var currentMonth = calendar[1][1].month();
+                var currentYear = calendar[1][1].year();
+                var maxYear = (maxDate && maxDate.year()) || (this.maxYear);
+                var minYear = (minDate && minDate.year()) || (this.minYear);
+                var inMinYear = currentYear == minYear;
+                var inMaxYear = currentYear == maxYear;
+
+                var monthHtml = '<select class="monthselect">';
+                for (var m = 0; m < 12; m++) {
+                    if ((!inMinYear || (minDate && m >= minDate.month())) && (!inMaxYear || (maxDate && m <= maxDate.month()))) {
+                        monthHtml += "<option value='" + m + "'" +
+                            (m === currentMonth ? " selected='selected'" : "") +
+                            ">" + this.locale.monthNames[m] + "</option>";
+                    } else {
+                        monthHtml += "<option value='" + m + "'" +
+                            (m === currentMonth ? " selected='selected'" : "") +
+                            " disabled='disabled'>" + this.locale.monthNames[m] + "</option>";
+                    }
+                }
+                monthHtml += "</select>";
+
+                var yearHtml = '<select class="yearselect">';
+                for (var y = minYear; y <= maxYear; y++) {
+                    yearHtml += '<option value="' + y + '"' +
+                        (y === currentYear ? ' selected="selected"' : '') +
+                        '>' + y + '</option>';
+                }
+                yearHtml += '</select>';
+
+                dateHtml = monthHtml + yearHtml;
+            }
+
+            html += '<th colspan="5" class="month">' + dateHtml + '</th>';
+            if ((!maxDate || maxDate.isAfter(calendar.lastDay)) && (!this.linkedCalendars || side == 'right' || this.singleDatePicker)) {
+                html += '<th class="next available"><span></span></th>';
+            } else {
+                html += '<th></th>';
+            }
+
+            html += '</tr>';
+            html += '<tr>';
+
+            // add week number label
+            if (this.showWeekNumbers || this.showISOWeekNumbers)
+                html += '<th class="week">' + this.locale.weekLabel + '</th>';
+
+            $.each(this.locale.daysOfWeek, function(index, dayOfWeek) {
+                html += '<th>' + dayOfWeek + '</th>';
+            });
+
+            html += '</tr>';
+            html += '</thead>';
+            html += '<tbody>';
+
+            //adjust maxDate to reflect the maxSpan setting in order to
+            //grey out end dates beyond the maxSpan
+            if (this.endDate == null && this.maxSpan) {
+                var maxLimit = this.startDate.clone().add(this.maxSpan).endOf('day');
+                if (!maxDate || maxLimit.isBefore(maxDate)) {
+                    maxDate = maxLimit;
+                }
+            }
+
+            for (var row = 0; row < 6; row++) {
+                html += '<tr>';
+
+                // add week number
+                if (this.showWeekNumbers)
+                    html += '<td class="week">' + calendar[row][0].week() + '</td>';
+                else if (this.showISOWeekNumbers)
+                    html += '<td class="week">' + calendar[row][0].isoWeek() + '</td>';
+
+                for (var col = 0; col < 7; col++) {
+
+                    var classes = [];
+
+                    //highlight today's date
+                    if (calendar[row][col].isSame(new Date(), "day"))
+                        classes.push('today');
+
+                    //highlight weekends
+                    if (calendar[row][col].isoWeekday() > 5)
+                        classes.push('weekend');
+
+                    //grey out the dates in other months displayed at beginning and end of this calendar
+                    if (calendar[row][col].month() != calendar[1][1].month())
+                        classes.push('off', 'ends');
+
+                    //don't allow selection of dates before the minimum date
+                    if (this.minDate && calendar[row][col].isBefore(this.minDate, 'day'))
+                        classes.push('off', 'disabled');
+
+                    //don't allow selection of dates after the maximum date
+                    if (maxDate && calendar[row][col].isAfter(maxDate, 'day'))
+                        classes.push('off', 'disabled');
+
+                    //don't allow selection of date if a custom function decides it's invalid
+                    if (this.isInvalidDate(calendar[row][col]))
+                        classes.push('off', 'disabled');
+
+                    //highlight the currently selected start date
+                    if (calendar[row][col].format('YYYY-MM-DD') == this.startDate.format('YYYY-MM-DD'))
+                        classes.push('active', 'start-date');
+
+                    //highlight the currently selected end date
+                    if (this.endDate != null && calendar[row][col].format('YYYY-MM-DD') == this.endDate.format('YYYY-MM-DD'))
+                        classes.push('active', 'end-date');
+
+                    //highlight dates in-between the selected dates
+                    if (this.endDate != null && calendar[row][col] > this.startDate && calendar[row][col] < this.endDate)
+                        classes.push('in-range');
+
+                    //apply custom classes for this date
+                    var isCustom = this.isCustomDate(calendar[row][col]);
+                    if (isCustom !== false) {
+                        if (typeof isCustom === 'string')
+                            classes.push(isCustom);
+                        else
+                            Array.prototype.push.apply(classes, isCustom);
+                    }
+
+                    var cname = '', disabled = false;
+                    for (var i = 0; i < classes.length; i++) {
+                        cname += classes[i] + ' ';
+                        if (classes[i] == 'disabled')
+                            disabled = true;
+                    }
+                    if (!disabled)
+                        cname += 'available';
+
+                    html += '<td class="' + cname.replace(/^\s+|\s+$/g, '') + '" data-title="' + 'r' + row + 'c' + col + '">' + calendar[row][col].date() + '</td>';
+
+                }
+                html += '</tr>';
+            }
+
+            html += '</tbody>';
+            html += '</table>';
+
+            this.container.find('.drp-calendar.' + side + ' .calendar-table').html(html);
+
+        },
+
+        renderTimePicker: function(side) {
+
+            // Don't bother updating the time picker if it's currently disabled
+            // because an end date hasn't been clicked yet
+            if (side == 'right' && !this.endDate) return;
+
+            var html, selected, minDate, maxDate = this.maxDate;
+
+            if (this.maxSpan && (!this.maxDate || this.startDate.clone().add(this.maxSpan).isBefore(this.maxDate)))
+                maxDate = this.startDate.clone().add(this.maxSpan);
+
+            if (side == 'left') {
+                selected = this.startDate.clone();
+                minDate = this.minDate;
+            } else if (side == 'right') {
+                selected = this.endDate.clone();
+                minDate = this.startDate;
+
+                //Preserve the time already selected
+                var timeSelector = this.container.find('.drp-calendar.right .calendar-time');
+                if (timeSelector.html() != '') {
+
+                    selected.hour(!isNaN(selected.hour()) ? selected.hour() : timeSelector.find('.hourselect option:selected').val());
+                    selected.minute(!isNaN(selected.minute()) ? selected.minute() : timeSelector.find('.minuteselect option:selected').val());
+                    selected.second(!isNaN(selected.second()) ? selected.second() : timeSelector.find('.secondselect option:selected').val());
+
+                    if (!this.timePicker24Hour) {
+                        var ampm = timeSelector.find('.ampmselect option:selected').val();
+                        if (ampm === 'PM' && selected.hour() < 12)
+                            selected.hour(selected.hour() + 12);
+                        if (ampm === 'AM' && selected.hour() === 12)
+                            selected.hour(0);
+                    }
+
+                }
+
+                if (selected.isBefore(this.startDate))
+                    selected = this.startDate.clone();
+
+                if (maxDate && selected.isAfter(maxDate))
+                    selected = maxDate.clone();
+
+            }
+
+            //
+            // hours
+            //
+
+            html = '<select class="hourselect">';
+
+            var start = this.timePicker24Hour ? 0 : 1;
+            var end = this.timePicker24Hour ? 23 : 12;
+
+            for (var i = start; i <= end; i++) {
+                var i_in_24 = i;
+                if (!this.timePicker24Hour)
+                    i_in_24 = selected.hour() >= 12 ? (i == 12 ? 12 : i + 12) : (i == 12 ? 0 : i);
+
+                var time = selected.clone().hour(i_in_24);
+                var disabled = false;
+                if (minDate && time.minute(59).isBefore(minDate))
+                    disabled = true;
+                if (maxDate && time.minute(0).isAfter(maxDate))
+                    disabled = true;
+
+                if (i_in_24 == selected.hour() && !disabled) {
+                    html += '<option value="' + i + '" selected="selected">' + i + '</option>';
+                } else if (disabled) {
+                    html += '<option value="' + i + '" disabled="disabled" class="disabled">' + i + '</option>';
+                } else {
+                    html += '<option value="' + i + '">' + i + '</option>';
+                }
+            }
+
+            html += '</select> ';
+
+            //
+            // minutes
+            //
+
+            html += ': <select class="minuteselect">';
+
+            for (var i = 0; i < 60; i += this.timePickerIncrement) {
+                var padded = i < 10 ? '0' + i : i;
+                var time = selected.clone().minute(i);
+
+                var disabled = false;
+                if (minDate && time.second(59).isBefore(minDate))
+                    disabled = true;
+                if (maxDate && time.second(0).isAfter(maxDate))
+                    disabled = true;
+
+                if (selected.minute() == i && !disabled) {
+                    html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
+                } else if (disabled) {
+                    html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
+                } else {
+                    html += '<option value="' + i + '">' + padded + '</option>';
+                }
+            }
+
+            html += '</select> ';
+
+            //
+            // seconds
+            //
+
+            if (this.timePickerSeconds) {
+                html += ': <select class="secondselect">';
+
+                for (var i = 0; i < 60; i++) {
+                    var padded = i < 10 ? '0' + i : i;
+                    var time = selected.clone().second(i);
+
+                    var disabled = false;
+                    if (minDate && time.isBefore(minDate))
+                        disabled = true;
+                    if (maxDate && time.isAfter(maxDate))
+                        disabled = true;
+
+                    if (selected.second() == i && !disabled) {
+                        html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
+                    } else if (disabled) {
+                        html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
+                    } else {
+                        html += '<option value="' + i + '">' + padded + '</option>';
+                    }
+                }
+
+                html += '</select> ';
+            }
+
+            //
+            // AM/PM
+            //
+
+            if (!this.timePicker24Hour) {
+                html += '<select class="ampmselect">';
+
+                var am_html = '';
+                var pm_html = '';
+
+                if (minDate && selected.clone().hour(12).minute(0).second(0).isBefore(minDate))
+                    am_html = ' disabled="disabled" class="disabled"';
+
+                if (maxDate && selected.clone().hour(0).minute(0).second(0).isAfter(maxDate))
+                    pm_html = ' disabled="disabled" class="disabled"';
+
+                if (selected.hour() >= 12) {
+                    html += '<option value="AM"' + am_html + '>AM</option><option value="PM" selected="selected"' + pm_html + '>PM</option>';
+                } else {
+                    html += '<option value="AM" selected="selected"' + am_html + '>AM</option><option value="PM"' + pm_html + '>PM</option>';
+                }
+
+                html += '</select>';
+            }
+
+            this.container.find('.drp-calendar.' + side + ' .calendar-time').html(html);
+
+        },
+
+        updateFormInputs: function() {
+
+            if (this.singleDatePicker || (this.endDate && (this.startDate.isBefore(this.endDate) || this.startDate.isSame(this.endDate)))) {
+                this.container.find('button.applyBtn').prop('disabled', false);
+            } else {
+                this.container.find('button.applyBtn').prop('disabled', true);
+            }
+
+        },
+
+        move: function() {
+            var parentOffset = { top: 0, left: 0 },
+                containerTop,
+                drops = this.drops;
+
+            var parentRightEdge = $(window).width();
+            if (!this.parentEl.is('body')) {
+                parentOffset = {
+                    top: this.parentEl.offset().top - this.parentEl.scrollTop(),
+                    left: this.parentEl.offset().left - this.parentEl.scrollLeft()
+                };
+                parentRightEdge = this.parentEl[0].clientWidth + this.parentEl.offset().left;
+            }
+
+            switch (drops) {
+            case 'auto':
+                containerTop = this.element.offset().top + this.element.outerHeight() - parentOffset.top;
+                if (containerTop + this.container.outerHeight() >= this.parentEl[0].scrollHeight) {
+                    containerTop = this.element.offset().top - this.container.outerHeight() - parentOffset.top;
+                    drops = 'up';
+                }
+                break;
+            case 'up':
+                containerTop = this.element.offset().top - this.container.outerHeight() - parentOffset.top;
+                break;
+            default:
+                containerTop = this.element.offset().top + this.element.outerHeight() - parentOffset.top;
+                break;
+            }
+
+            // Force the container to it's actual width
+            this.container.css({
+              top: 0,
+              left: 0,
+              right: 'auto'
+            });
+            var containerWidth = this.container.outerWidth();
+
+            this.container.toggleClass('drop-up', drops == 'up');
+
+            if (this.opens == 'left') {
+                var containerRight = parentRightEdge - this.element.offset().left - this.element.outerWidth();
+                if (containerWidth + containerRight > $(window).width()) {
+                    this.container.css({
+                        top: containerTop,
+                        right: 'auto',
+                        left: 9
+                    });
+                } else {
+                    this.container.css({
+                        top: containerTop,
+                        right: containerRight,
+                        left: 'auto'
+                    });
+                }
+            } else if (this.opens == 'center') {
+                var containerLeft = this.element.offset().left - parentOffset.left + this.element.outerWidth() / 2
+                                        - containerWidth / 2;
+                if (containerLeft < 0) {
+                    this.container.css({
+                        top: containerTop,
+                        right: 'auto',
+                        left: 9
+                    });
+                } else if (containerLeft + containerWidth > $(window).width()) {
+                    this.container.css({
+                        top: containerTop,
+                        left: 'auto',
+                        right: 0
+                    });
+                } else {
+                    this.container.css({
+                        top: containerTop,
+                        left: containerLeft,
+                        right: 'auto'
+                    });
+                }
+            } else {
+                var containerLeft = this.element.offset().left - parentOffset.left;
+                if (containerLeft + containerWidth > $(window).width()) {
+                    this.container.css({
+                        top: containerTop,
+                        left: 'auto',
+                        right: 0
+                    });
+                } else {
+                    this.container.css({
+                        top: containerTop,
+                        left: containerLeft,
+                        right: 'auto'
+                    });
+                }
+            }
+        },
+
+        show: function(e) {
+            if (this.isShowing) return;
+
+            // Create a click proxy that is private to this instance of datepicker, for unbinding
+            this._outsideClickProxy = $.proxy(function(e) { this.outsideClick(e); }, this);
+
+            // Bind global datepicker mousedown for hiding and
+            $(document)
+              .on('mousedown.daterangepicker', this._outsideClickProxy)
+              // also support mobile devices
+              .on('touchend.daterangepicker', this._outsideClickProxy)
+              // also explicitly play nice with Bootstrap dropdowns, which stopPropagation when clicking them
+              .on('click.daterangepicker', '[data-toggle=dropdown]', this._outsideClickProxy)
+              // and also close when focus changes to outside the picker (eg. tabbing between controls)
+              .on('focusin.daterangepicker', this._outsideClickProxy);
+
+            // Reposition the picker if the window is resized while it's open
+            $(window).on('resize.daterangepicker', $.proxy(function(e) { this.move(e); }, this));
+
+            this.oldStartDate = this.startDate.clone();
+            this.oldEndDate = this.endDate.clone();
+            this.previousRightTime = this.endDate.clone();
+
+            this.updateView();
+            this.container.show();
+            this.move();
+            this.element.trigger('show.daterangepicker', this);
+            this.isShowing = true;
+        },
+
+        hide: function(e) {
+            if (!this.isShowing) return;
+
+            //incomplete date selection, revert to last values
+            if (!this.endDate) {
+                this.startDate = this.oldStartDate.clone();
+                this.endDate = this.oldEndDate.clone();
+            }
+
+            //if a new date range was selected, invoke the user callback function
+            if (!this.startDate.isSame(this.oldStartDate) || !this.endDate.isSame(this.oldEndDate))
+                this.callback(this.startDate.clone(), this.endDate.clone(), this.chosenLabel);
+
+            //if picker is attached to a text input, update it
+            this.updateElement();
+
+            $(document).off('.daterangepicker');
+            $(window).off('.daterangepicker');
+            this.container.hide();
+            this.element.trigger('hide.daterangepicker', this);
+            this.isShowing = false;
+        },
+
+        toggle: function(e) {
+            if (this.isShowing) {
+                this.hide();
+            } else {
+                this.show();
+            }
+        },
+
+        outsideClick: function(e) {
+            var target = $(e.target);
+            // if the page is clicked anywhere except within the daterangerpicker/button
+            // itself then call this.hide()
+            if (
+                // ie modal dialog fix
+                e.type == "focusin" ||
+                target.closest(this.element).length ||
+                target.closest(this.container).length ||
+                target.closest('.calendar-table').length
+                ) return;
+            this.hide();
+            this.element.trigger('outsideClick.daterangepicker', this);
+        },
+
+        showCalendars: function() {
+            this.container.addClass('show-calendar');
+            this.move();
+            this.element.trigger('showCalendar.daterangepicker', this);
+        },
+
+        hideCalendars: function() {
+            this.container.removeClass('show-calendar');
+            this.element.trigger('hideCalendar.daterangepicker', this);
+        },
+
+        clickRange: function(e) {
+            var label = e.target.getAttribute('data-range-key');
+            this.chosenLabel = label;
+            if (label == this.locale.customRangeLabel) {
+                this.showCalendars();
+            } else {
+                var dates = this.ranges[label];
+                this.startDate = dates[0];
+                this.endDate = dates[1];
+
+                if (!this.timePicker) {
+                    this.startDate.startOf('day');
+                    this.endDate.endOf('day');
+                }
+
+                if (!this.alwaysShowCalendars)
+                    this.hideCalendars();
+                this.clickApply();
+            }
+        },
+
+        clickPrev: function(e) {
+            var cal = $(e.target).parents('.drp-calendar');
+            if (cal.hasClass('left')) {
+                this.leftCalendar.month.subtract(1, 'month');
+                if (this.linkedCalendars)
+                    this.rightCalendar.month.subtract(1, 'month');
+            } else {
+                this.rightCalendar.month.subtract(1, 'month');
+            }
+            this.updateCalendars();
+        },
+
+        clickNext: function(e) {
+            var cal = $(e.target).parents('.drp-calendar');
+            if (cal.hasClass('left')) {
+                this.leftCalendar.month.add(1, 'month');
+            } else {
+                this.rightCalendar.month.add(1, 'month');
+                if (this.linkedCalendars)
+                    this.leftCalendar.month.add(1, 'month');
+            }
+            this.updateCalendars();
+        },
+
+        hoverDate: function(e) {
+
+            //ignore dates that can't be selected
+            if (!$(e.target).hasClass('available')) return;
+
+            var title = $(e.target).attr('data-title');
+            var row = title.substr(1, 1);
+            var col = title.substr(3, 1);
+            var cal = $(e.target).parents('.drp-calendar');
+            var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];
+
+            //highlight the dates between the start date and the date being hovered as a potential end date
+            var leftCalendar = this.leftCalendar;
+            var rightCalendar = this.rightCalendar;
+            var startDate = this.startDate;
+            if (!this.endDate) {
+                this.container.find('.drp-calendar tbody td').each(function(index, el) {
+
+                    //skip week numbers, only look at dates
+                    if ($(el).hasClass('week')) return;
+
+                    var title = $(el).attr('data-title');
+                    var row = title.substr(1, 1);
+                    var col = title.substr(3, 1);
+                    var cal = $(el).parents('.drp-calendar');
+                    var dt = cal.hasClass('left') ? leftCalendar.calendar[row][col] : rightCalendar.calendar[row][col];
+
+                    if ((dt.isAfter(startDate) && dt.isBefore(date)) || dt.isSame(date, 'day')) {
+                        $(el).addClass('in-range');
+                    } else {
+                        $(el).removeClass('in-range');
+                    }
+
+                });
+            }
+
+        },
+
+        clickDate: function(e) {
+
+            if (!$(e.target).hasClass('available')) return;
+
+            var title = $(e.target).attr('data-title');
+            var row = title.substr(1, 1);
+            var col = title.substr(3, 1);
+            var cal = $(e.target).parents('.drp-calendar');
+            var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];
+
+            //
+            // this function needs to do a few things:
+            // * alternate between selecting a start and end date for the range,
+            // * if the time picker is enabled, apply the hour/minute/second from the select boxes to the clicked date
+            // * if autoapply is enabled, and an end date was chosen, apply the selection
+            // * if single date picker mode, and time picker isn't enabled, apply the selection immediately
+            // * if one of the inputs above the calendars was focused, cancel that manual input
+            //
+
+            if (this.endDate || date.isBefore(this.startDate, 'day')) { //picking start
+                if (this.timePicker) {
+                    var hour = parseInt(this.container.find('.left .hourselect').val(), 10);
+                    if (!this.timePicker24Hour) {
+                        var ampm = this.container.find('.left .ampmselect').val();
+                        if (ampm === 'PM' && hour < 12)
+                            hour += 12;
+                        if (ampm === 'AM' && hour === 12)
+                            hour = 0;
+                    }
+                    var minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
+                    if (isNaN(minute)) {
+                        minute = parseInt(this.container.find('.left .minuteselect option:last').val(), 10);
+                    }
+                    var second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
+                    date = date.clone().hour(hour).minute(minute).second(second);
+                }
+                this.endDate = null;
+                this.setStartDate(date.clone());
+            } else if (!this.endDate && date.isBefore(this.startDate)) {
+                //special case: clicking the same date for start/end,
+                //but the time of the end date is before the start date
+                this.setEndDate(this.startDate.clone());
+            } else { // picking end
+                if (this.timePicker) {
+                    var hour = parseInt(this.container.find('.right .hourselect').val(), 10);
+                    if (!this.timePicker24Hour) {
+                        var ampm = this.container.find('.right .ampmselect').val();
+                        if (ampm === 'PM' && hour < 12)
+                            hour += 12;
+                        if (ampm === 'AM' && hour === 12)
+                            hour = 0;
+                    }
+                    var minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
+                    if (isNaN(minute)) {
+                        minute = parseInt(this.container.find('.right .minuteselect option:last').val(), 10);
+                    }
+                    var second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
+                    date = date.clone().hour(hour).minute(minute).second(second);
+                }
+                this.setEndDate(date.clone());
+                if (this.autoApply) {
+                  this.calculateChosenLabel();
+                  this.clickApply();
+                }
+            }
+
+            if (this.singleDatePicker) {
+                this.setEndDate(this.startDate);
+                if (!this.timePicker && this.autoApply)
+                    this.clickApply();
+            }
+
+            this.updateView();
+
+            //This is to cancel the blur event handler if the mouse was in one of the inputs
+            e.stopPropagation();
+
+        },
+
+        calculateChosenLabel: function () {
+            var customRange = true;
+            var i = 0;
+            for (var range in this.ranges) {
+              if (this.timePicker) {
+                    var format = this.timePickerSeconds ? "YYYY-MM-DD HH:mm:ss" : "YYYY-MM-DD HH:mm";
+                    //ignore times when comparing dates if time picker seconds is not enabled
+                    if (this.startDate.format(format) == this.ranges[range][0].format(format) && this.endDate.format(format) == this.ranges[range][1].format(format)) {
+                        customRange = false;
+                        this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').attr('data-range-key');
+                        break;
+                    }
+                } else {
+                    //ignore times when comparing dates if time picker is not enabled
+                    if (this.startDate.format('YYYY-MM-DD') == this.ranges[range][0].format('YYYY-MM-DD') && this.endDate.format('YYYY-MM-DD') == this.ranges[range][1].format('YYYY-MM-DD')) {
+                        customRange = false;
+                        this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').attr('data-range-key');
+                        break;
+                    }
+                }
+                i++;
+            }
+            if (customRange) {
+                if (this.showCustomRangeLabel) {
+                    this.chosenLabel = this.container.find('.ranges li:last').addClass('active').attr('data-range-key');
+                } else {
+                    this.chosenLabel = null;
+                }
+                this.showCalendars();
+            }
+        },
+
+        clickApply: function(e) {
+            this.hide();
+            this.element.trigger('apply.daterangepicker', this);
+        },
+
+        clickCancel: function(e) {
+            this.startDate = this.oldStartDate;
+            this.endDate = this.oldEndDate;
+            this.hide();
+            this.element.trigger('cancel.daterangepicker', this);
+        },
+
+        monthOrYearChanged: function(e) {
+            var isLeft = $(e.target).closest('.drp-calendar').hasClass('left'),
+                leftOrRight = isLeft ? 'left' : 'right',
+                cal = this.container.find('.drp-calendar.'+leftOrRight);
+
+            // Month must be Number for new moment versions
+            var month = parseInt(cal.find('.monthselect').val(), 10);
+            var year = cal.find('.yearselect').val();
+
+            if (!isLeft) {
+                if (year < this.startDate.year() || (year == this.startDate.year() && month < this.startDate.month())) {
+                    month = this.startDate.month();
+                    year = this.startDate.year();
+                }
+            }
+
+            if (this.minDate) {
+                if (year < this.minDate.year() || (year == this.minDate.year() && month < this.minDate.month())) {
+                    month = this.minDate.month();
+                    year = this.minDate.year();
+                }
+            }
+
+            if (this.maxDate) {
+                if (year > this.maxDate.year() || (year == this.maxDate.year() && month > this.maxDate.month())) {
+                    month = this.maxDate.month();
+                    year = this.maxDate.year();
+                }
+            }
+
+            if (isLeft) {
+                this.leftCalendar.month.month(month).year(year);
+                if (this.linkedCalendars)
+                    this.rightCalendar.month = this.leftCalendar.month.clone().add(1, 'month');
+            } else {
+                this.rightCalendar.month.month(month).year(year);
+                if (this.linkedCalendars)
+                    this.leftCalendar.month = this.rightCalendar.month.clone().subtract(1, 'month');
+            }
+            this.updateCalendars();
+        },
+
+        timeChanged: function(e) {
+
+            var cal = $(e.target).closest('.drp-calendar'),
+                isLeft = cal.hasClass('left');
+
+            var hour = parseInt(cal.find('.hourselect').val(), 10);
+            var minute = parseInt(cal.find('.minuteselect').val(), 10);
+            if (isNaN(minute)) {
+                minute = parseInt(cal.find('.minuteselect option:last').val(), 10);
+            }
+            var second = this.timePickerSeconds ? parseInt(cal.find('.secondselect').val(), 10) : 0;
+
+            if (!this.timePicker24Hour) {
+                var ampm = cal.find('.ampmselect').val();
+                if (ampm === 'PM' && hour < 12)
+                    hour += 12;
+                if (ampm === 'AM' && hour === 12)
+                    hour = 0;
+            }
+
+            if (isLeft) {
+                var start = this.startDate.clone();
+                start.hour(hour);
+                start.minute(minute);
+                start.second(second);
+                this.setStartDate(start);
+                if (this.singleDatePicker) {
+                    this.endDate = this.startDate.clone();
+                } else if (this.endDate && this.endDate.format('YYYY-MM-DD') == start.format('YYYY-MM-DD') && this.endDate.isBefore(start)) {
+                    this.setEndDate(start.clone());
+                }
+            } else if (this.endDate) {
+                var end = this.endDate.clone();
+                end.hour(hour);
+                end.minute(minute);
+                end.second(second);
+                this.setEndDate(end);
+            }
+
+            //update the calendars so all clickable dates reflect the new time component
+            this.updateCalendars();
+
+            //update the form inputs above the calendars with the new time
+            this.updateFormInputs();
+
+            //re-render the time pickers because changing one selection can affect what's enabled in another
+            this.renderTimePicker('left');
+            this.renderTimePicker('right');
+
+        },
+
+        elementChanged: function() {
+            if (!this.element.is('input')) return;
+            if (!this.element.val().length) return;
+
+            var dateString = this.element.val().split(this.locale.separator),
+                start = null,
+                end = null;
+
+            if (dateString.length === 2) {
+                start = moment(dateString[0], this.locale.format);
+                end = moment(dateString[1], this.locale.format);
+            }
+
+            if (this.singleDatePicker || start === null || end === null) {
+                start = moment(this.element.val(), this.locale.format);
+                end = start;
+            }
+
+            if (!start.isValid() || !end.isValid()) return;
+
+            this.setStartDate(start);
+            this.setEndDate(end);
+            this.updateView();
+        },
+
+        keydown: function(e) {
+            //hide on tab or enter
+            if ((e.keyCode === 9) || (e.keyCode === 13)) {
+                this.hide();
+            }
+
+            //hide on esc and prevent propagation
+            if (e.keyCode === 27) {
+                e.preventDefault();
+                e.stopPropagation();
+
+                this.hide();
+            }
+        },
+
+        updateElement: function() {
+            if (this.element.is('input') && this.autoUpdateInput) {
+                var newValue = this.startDate.format(this.locale.format);
+                if (!this.singleDatePicker) {
+                    newValue += this.locale.separator + this.endDate.format(this.locale.format);
+                }
+                if (newValue !== this.element.val()) {
+                    this.element.val(newValue).trigger('change');
+                }
+            }
+        },
+
+        remove: function() {
+            this.container.remove();
+            this.element.off('.daterangepicker');
+            this.element.removeData();
+        }
+
+    };
+
+    $.fn.daterangepicker = function(options, callback) {
+        var implementOptions = $.extend(true, {}, $.fn.daterangepicker.defaultOptions, options);
+        this.each(function() {
+            var el = $(this);
+            if (el.data('daterangepicker'))
+                el.data('daterangepicker').remove();
+            el.data('daterangepicker', new DateRangePicker(el, implementOptions, callback));
+        });
+        return this;
+    };
+
+    return DateRangePicker;
+
+}));
diff --git a/public/packages/sorttable/sorttable.js b/public/packages/sorttable/sorttable.js
new file mode 100644
index 000000000..05f66e3ce
--- /dev/null
+++ b/public/packages/sorttable/sorttable.js
@@ -0,0 +1,495 @@
+/*
+  SortTable
+  version 2
+  7th April 2007
+  Stuart Langridge, http://www.kryogenix.org/code/browser/sorttable/
+
+  Instructions:
+  Download this file
+  Add <script src="sorttable.js"></script> to your HTML
+  Add class="sortable" to any table you'd like to make sortable
+  Click on the headers to sort
+
+  Thanks to many, many people for contributions and suggestions.
+  Licenced as X11: http://www.kryogenix.org/code/browser/licence.html
+  This basically means: do what you want with it.
+*/
+
+
+var stIsIE = /*@cc_on!@*/false;
+
+sorttable = {
+    init: function() {
+        // quit if this function has already been called
+        if (arguments.callee.done) return;
+        // flag this function so we don't do the same thing twice
+        arguments.callee.done = true;
+        // kill the timer
+        if (_timer) clearInterval(_timer);
+
+        if (!document.createElement || !document.getElementsByTagName) return;
+
+        sorttable.DATE_RE = /^(\d\d?)[\/\.-](\d\d?)[\/\.-]((\d\d)?\d\d)$/;
+
+        forEach(document.getElementsByTagName('table'), function(table) {
+            if (table.className.search(/\bsortable\b/) != -1) {
+                sorttable.makeSortable(table);
+            }
+        });
+
+    },
+
+    makeSortable: function(table) {
+        if (table.getElementsByTagName('thead').length == 0) {
+            // table doesn't have a tHead. Since it should have, create one and
+            // put the first table row in it.
+            the = document.createElement('thead');
+            the.appendChild(table.rows[0]);
+            table.insertBefore(the,table.firstChild);
+        }
+        // Safari doesn't support table.tHead, sigh
+        if (table.tHead == null) table.tHead = table.getElementsByTagName('thead')[0];
+
+        if (table.tHead.rows.length != 1) return; // can't cope with two header rows
+
+        // Sorttable v1 put rows with a class of "sortbottom" at the bottom (as
+        // "total" rows, for example). This is B&R, since what you're supposed
+        // to do is put them in a tfoot. So, if there are sortbottom rows,
+        // for backwards compatibility, move them to tfoot (creating it if needed).
+        sortbottomrows = [];
+        for (var i=0; i<table.rows.length; i++) {
+            if (table.rows[i].className.search(/\bsortbottom\b/) != -1) {
+                sortbottomrows[sortbottomrows.length] = table.rows[i];
+            }
+        }
+        if (sortbottomrows) {
+            if (table.tFoot == null) {
+                // table doesn't have a tfoot. Create one.
+                tfo = document.createElement('tfoot');
+                table.appendChild(tfo);
+            }
+            for (var i=0; i<sortbottomrows.length; i++) {
+                tfo.appendChild(sortbottomrows[i]);
+            }
+            delete sortbottomrows;
+        }
+
+        // work through each column and calculate its type
+        headrow = table.tHead.rows[0].cells;
+        for (var i=0; i<headrow.length; i++) {
+            // manually override the type with a sorttable_type attribute
+            if (!headrow[i].className.match(/\bsorttable_nosort\b/)) { // skip this col
+                mtch = headrow[i].className.match(/\bsorttable_([a-z0-9]+)\b/);
+                if (mtch) { override = mtch[1]; }
+                if (mtch && typeof sorttable["sort_"+override] == 'function') {
+                    headrow[i].sorttable_sortfunction = sorttable["sort_"+override];
+                } else {
+                    headrow[i].sorttable_sortfunction = sorttable.guessType(table,i);
+                }
+                // make it clickable to sort
+                headrow[i].sorttable_columnindex = i;
+                headrow[i].sorttable_tbody = table.tBodies[0];
+                dean_addEvent(headrow[i],"click", sorttable.innerSortFunction = function(e) {
+
+                    if (this.className.search(/\bsorttable_sorted\b/) != -1) {
+                        // if we're already sorted by this column, just
+                        // reverse the table, which is quicker
+                        sorttable.reverse(this.sorttable_tbody);
+                        this.className = this.className.replace('sorttable_sorted',
+                            'sorttable_sorted_reverse');
+                        this.removeChild(document.getElementById('sorttable_sortfwdind'));
+                        sortrevind = document.createElement('span');
+                        sortrevind.id = "sorttable_sortrevind";
+                        sortrevind.innerHTML = stIsIE ? '&nbsp<font face="webdings">5</font>' : '&nbsp;&#x25B4;';
+                        this.appendChild(sortrevind);
+                        return;
+                    }
+                    if (this.className.search(/\bsorttable_sorted_reverse\b/) != -1) {
+                        // if we're already sorted by this column in reverse, just
+                        // re-reverse the table, which is quicker
+                        sorttable.reverse(this.sorttable_tbody);
+                        this.className = this.className.replace('sorttable_sorted_reverse',
+                            'sorttable_sorted');
+                        this.removeChild(document.getElementById('sorttable_sortrevind'));
+                        sortfwdind = document.createElement('span');
+                        sortfwdind.id = "sorttable_sortfwdind";
+                        sortfwdind.innerHTML = stIsIE ? '&nbsp<font face="webdings">6</font>' : '&nbsp;&#x25BE;';
+                        this.appendChild(sortfwdind);
+                        return;
+                    }
+
+                    // remove sorttable_sorted classes
+                    theadrow = this.parentNode;
+                    forEach(theadrow.childNodes, function(cell) {
+                        if (cell.nodeType == 1) { // an element
+                            cell.className = cell.className.replace('sorttable_sorted_reverse','');
+                            cell.className = cell.className.replace('sorttable_sorted','');
+                        }
+                    });
+                    sortfwdind = document.getElementById('sorttable_sortfwdind');
+                    if (sortfwdind) { sortfwdind.parentNode.removeChild(sortfwdind); }
+                    sortrevind = document.getElementById('sorttable_sortrevind');
+                    if (sortrevind) { sortrevind.parentNode.removeChild(sortrevind); }
+
+                    this.className += ' sorttable_sorted';
+                    sortfwdind = document.createElement('span');
+                    sortfwdind.id = "sorttable_sortfwdind";
+                    sortfwdind.innerHTML = stIsIE ? '&nbsp<font face="webdings">6</font>' : '&nbsp;&#x25BE;';
+                    this.appendChild(sortfwdind);
+
+                    // build an array to sort. This is a Schwartzian transform thing,
+                    // i.e., we "decorate" each row with the actual sort key,
+                    // sort based on the sort keys, and then put the rows back in order
+                    // which is a lot faster because you only do getInnerText once per row
+                    row_array = [];
+                    col = this.sorttable_columnindex;
+                    rows = this.sorttable_tbody.rows;
+                    for (var j=0; j<rows.length; j++) {
+                        row_array[row_array.length] = [sorttable.getInnerText(rows[j].cells[col]), rows[j]];
+                    }
+                    /* If you want a stable sort, uncomment the following line */
+                    //sorttable.shaker_sort(row_array, this.sorttable_sortfunction);
+                    /* and comment out this one */
+                    row_array.sort(this.sorttable_sortfunction);
+
+                    tb = this.sorttable_tbody;
+                    for (var j=0; j<row_array.length; j++) {
+                        tb.appendChild(row_array[j][1]);
+                    }
+
+                    delete row_array;
+                });
+            }
+        }
+    },
+
+    guessType: function(table, column) {
+        // guess the type of a column based on its first non-blank row
+        sortfn = sorttable.sort_alpha;
+        for (var i=0; i<table.tBodies[0].rows.length; i++) {
+            text = sorttable.getInnerText(table.tBodies[0].rows[i].cells[column]);
+            if (text != '') {
+                if (text.match(/^-?[Ł$¤]?[\d,.]+%?$/)) {
+                    return sorttable.sort_numeric;
+                }
+                // check for a date: dd/mm/yyyy or dd/mm/yy
+                // can have / or . or - as separator
+                // can be mm/dd as well
+                possdate = text.match(sorttable.DATE_RE)
+                if (possdate) {
+                    // looks like a date
+                    first = parseInt(possdate[1]);
+                    second = parseInt(possdate[2]);
+                    if (first > 12) {
+                        // definitely dd/mm
+                        return sorttable.sort_ddmm;
+                    } else if (second > 12) {
+                        return sorttable.sort_mmdd;
+                    } else {
+                        // looks like a date, but we can't tell which, so assume
+                        // that it's dd/mm (English imperialism!) and keep looking
+                        sortfn = sorttable.sort_ddmm;
+                    }
+                }
+            }
+        }
+        return sortfn;
+    },
+
+    getInnerText: function(node) {
+        // gets the text we want to use for sorting for a cell.
+        // strips leading and trailing whitespace.
+        // this is *not* a generic getInnerText function; it's special to sorttable.
+        // for example, you can override the cell text with a customkey attribute.
+        // it also gets .value for <input> fields.
+
+        if (!node) return "";
+
+        hasInputs = (typeof node.getElementsByTagName == 'function') &&
+            node.getElementsByTagName('input').length;
+
+        if (node.getAttribute("sorttable_customkey") != null) {
+            return node.getAttribute("sorttable_customkey");
+        }
+        else if (typeof node.textContent != 'undefined' && !hasInputs) {
+            return node.textContent.replace(/^\s+|\s+$/g, '');
+        }
+        else if (typeof node.innerText != 'undefined' && !hasInputs) {
+            return node.innerText.replace(/^\s+|\s+$/g, '');
+        }
+        else if (typeof node.text != 'undefined' && !hasInputs) {
+            return node.text.replace(/^\s+|\s+$/g, '');
+        }
+        else {
+            switch (node.nodeType) {
+                case 3:
+                    if (node.nodeName.toLowerCase() == 'input') {
+                        return node.value.replace(/^\s+|\s+$/g, '');
+                    }
+                case 4:
+                    return node.nodeValue.replace(/^\s+|\s+$/g, '');
+                    break;
+                case 1:
+                case 11:
+                    var innerText = '';
+                    for (var i = 0; i < node.childNodes.length; i++) {
+                        innerText += sorttable.getInnerText(node.childNodes[i]);
+                    }
+                    return innerText.replace(/^\s+|\s+$/g, '');
+                    break;
+                default:
+                    return '';
+            }
+        }
+    },
+
+    reverse: function(tbody) {
+        // reverse the rows in a tbody
+        newrows = [];
+        for (var i=0; i<tbody.rows.length; i++) {
+            newrows[newrows.length] = tbody.rows[i];
+        }
+        for (var i=newrows.length-1; i>=0; i--) {
+            tbody.appendChild(newrows[i]);
+        }
+        delete newrows;
+    },
+
+    /* sort functions
+       each sort function takes two parameters, a and b
+       you are comparing a[0] and b[0] */
+    sort_numeric: function(a,b) {
+        aa = parseFloat(a[0].replace(/[^0-9.-]/g,''));
+        if (isNaN(aa)) aa = 0;
+        bb = parseFloat(b[0].replace(/[^0-9.-]/g,''));
+        if (isNaN(bb)) bb = 0;
+        return aa-bb;
+    },
+    sort_alpha: function(a,b) {
+        if (a[0]==b[0]) return 0;
+        if (a[0]<b[0]) return -1;
+        return 1;
+    },
+    sort_ddmm: function(a,b) {
+        mtch = a[0].match(sorttable.DATE_RE);
+        y = mtch[3]; m = mtch[2]; d = mtch[1];
+        if (m.length == 1) m = '0'+m;
+        if (d.length == 1) d = '0'+d;
+        dt1 = y+m+d;
+        mtch = b[0].match(sorttable.DATE_RE);
+        y = mtch[3]; m = mtch[2]; d = mtch[1];
+        if (m.length == 1) m = '0'+m;
+        if (d.length == 1) d = '0'+d;
+        dt2 = y+m+d;
+        if (dt1==dt2) return 0;
+        if (dt1<dt2) return -1;
+        return 1;
+    },
+    sort_mmdd: function(a,b) {
+        mtch = a[0].match(sorttable.DATE_RE);
+        y = mtch[3]; d = mtch[2]; m = mtch[1];
+        if (m.length == 1) m = '0'+m;
+        if (d.length == 1) d = '0'+d;
+        dt1 = y+m+d;
+        mtch = b[0].match(sorttable.DATE_RE);
+        y = mtch[3]; d = mtch[2]; m = mtch[1];
+        if (m.length == 1) m = '0'+m;
+        if (d.length == 1) d = '0'+d;
+        dt2 = y+m+d;
+        if (dt1==dt2) return 0;
+        if (dt1<dt2) return -1;
+        return 1;
+    },
+
+    shaker_sort: function(list, comp_func) {
+        // A stable sort function to allow multi-level sorting of data
+        // see: http://en.wikipedia.org/wiki/Cocktail_sort
+        // thanks to Joseph Nahmias
+        var b = 0;
+        var t = list.length - 1;
+        var swap = true;
+
+        while(swap) {
+            swap = false;
+            for(var i = b; i < t; ++i) {
+                if ( comp_func(list[i], list[i+1]) > 0 ) {
+                    var q = list[i]; list[i] = list[i+1]; list[i+1] = q;
+                    swap = true;
+                }
+            } // for
+            t--;
+
+            if (!swap) break;
+
+            for(var i = t; i > b; --i) {
+                if ( comp_func(list[i], list[i-1]) < 0 ) {
+                    var q = list[i]; list[i] = list[i-1]; list[i-1] = q;
+                    swap = true;
+                }
+            } // for
+            b++;
+
+        } // while(swap)
+    }
+}
+
+/* ******************************************************************
+   Supporting functions: bundled here to avoid depending on a library
+   ****************************************************************** */
+
+// Dean Edwards/Matthias Miller/John Resig
+
+/* for Mozilla/Opera9 */
+if (document.addEventListener) {
+    document.addEventListener("DOMContentLoaded", sorttable.init, false);
+}
+
+/* for Internet Explorer */
+/*@cc_on @*/
+/*@if (@_win32)
+    document.write("<script id=__ie_onload defer src=javascript:void(0)><\/script>");
+    var script = document.getElementById("__ie_onload");
+    script.onreadystatechange = function() {
+        if (this.readyState == "complete") {
+            sorttable.init(); // call the onload handler
+        }
+    };
+/*@end @*/
+
+/* for Safari */
+if (/WebKit/i.test(navigator.userAgent)) { // sniff
+    var _timer = setInterval(function() {
+        if (/loaded|complete/.test(document.readyState)) {
+            sorttable.init(); // call the onload handler
+        }
+    }, 10);
+}
+
+/* for other browsers */
+window.onload = sorttable.init;
+
+// written by Dean Edwards, 2005
+// with input from Tino Zijdel, Matthias Miller, Diego Perini
+
+// http://dean.edwards.name/weblog/2005/10/add-event/
+
+function dean_addEvent(element, type, handler) {
+    if (element.addEventListener) {
+        element.addEventListener(type, handler, false);
+    } else {
+        // assign each event handler a unique ID
+        if (!handler.$$guid) handler.$$guid = dean_addEvent.guid++;
+        // create a hash table of event types for the element
+        if (!element.events) element.events = {};
+        // create a hash table of event handlers for each element/event pair
+        var handlers = element.events[type];
+        if (!handlers) {
+            handlers = element.events[type] = {};
+            // store the existing event handler (if there is one)
+            if (element["on" + type]) {
+                handlers[0] = element["on" + type];
+            }
+        }
+        // store the event handler in the hash table
+        handlers[handler.$$guid] = handler;
+        // assign a global event handler to do all the work
+        element["on" + type] = handleEvent;
+    }
+};
+// a counter used to create unique IDs
+dean_addEvent.guid = 1;
+
+function removeEvent(element, type, handler) {
+    if (element.removeEventListener) {
+        element.removeEventListener(type, handler, false);
+    } else {
+        // delete the event handler from the hash table
+        if (element.events && element.events[type]) {
+            delete element.events[type][handler.$$guid];
+        }
+    }
+};
+
+function handleEvent(event) {
+    var returnValue = true;
+    // grab the event object (IE uses a global event object)
+    event = event || fixEvent(((this.ownerDocument || this.document || this).parentWindow || window).event);
+    // get a reference to the hash table of event handlers
+    var handlers = this.events[event.type];
+    // execute each event handler
+    for (var i in handlers) {
+        this.$$handleEvent = handlers[i];
+        if (this.$$handleEvent(event) === false) {
+            returnValue = false;
+        }
+    }
+    return returnValue;
+};
+
+function fixEvent(event) {
+    // add W3C standard event methods
+    event.preventDefault = fixEvent.preventDefault;
+    event.stopPropagation = fixEvent.stopPropagation;
+    return event;
+};
+fixEvent.preventDefault = function() {
+    this.returnValue = false;
+};
+fixEvent.stopPropagation = function() {
+    this.cancelBubble = true;
+}
+
+// Dean's forEach: http://dean.edwards.name/base/forEach.js
+/*
+	forEach, version 1.0
+	Copyright 2006, Dean Edwards
+	License: http://www.opensource.org/licenses/mit-license.php
+*/
+
+// array-like enumeration
+if (!Array.forEach) { // mozilla already supports this
+    Array.forEach = function(array, block, context) {
+        for (var i = 0; i < array.length; i++) {
+            block.call(context, array[i], i, array);
+        }
+    };
+}
+
+// generic enumeration
+Function.prototype.forEach = function(object, block, context) {
+    for (var key in object) {
+        if (typeof this.prototype[key] == "undefined") {
+            block.call(context, object[key], key, object);
+        }
+    }
+};
+
+// character enumeration
+String.forEach = function(string, block, context) {
+    Array.forEach(string.split(""), function(chr, index) {
+        block.call(context, chr, index, string);
+    });
+};
+
+// globally resolve forEach enumeration
+var forEach = function(object, block, context) {
+    if (object) {
+        var resolve = Object; // default
+        if (object instanceof Function) {
+            // functions have a "length" property
+            resolve = Function;
+        } else if (object.forEach instanceof Function) {
+            // the object implements a custom forEach method so use that
+            object.forEach(block, context);
+            return;
+        } else if (typeof object == "string") {
+            // the object is a string
+            resolve = String;
+        } else if (typeof object.length == "number") {
+            // the object is array-like
+            resolve = Array;
+        }
+        resolve.forEach(object, block, context);
+    }
+};
+
diff --git a/resources/views/fluidbook_stats/loader.blade.php b/resources/views/fluidbook_stats/loader.blade.php
index f3afbd987..75107959f 100644
--- a/resources/views/fluidbook_stats/loader.blade.php
+++ b/resources/views/fluidbook_stats/loader.blade.php
@@ -279,7 +279,11 @@
         // Set the inner HTML of an element AND make any script tags executable
         // Ref: https://stackoverflow.com/a/47614491
         function setInnerHTML(elm, html) {
-            elm.innerHTML = html;
+            try {
+                elm.innerHTML = html;
+            }catch (e){
+
+            }
             Array.from(elm.querySelectorAll("script")).forEach( oldScript => {
                 const newScript = document.createElement("script");
                 Array.from(oldScript.attributes)
diff --git a/resources/views/fluidbook_stats/summary.blade.php b/resources/views/fluidbook_stats/summary.blade.php
index 5537356a9..c45586755 100644
--- a/resources/views/fluidbook_stats/summary.blade.php
+++ b/resources/views/fluidbook_stats/summary.blade.php
@@ -43,8 +43,10 @@
         <dd>{{ $visits_summary['nb_uniq_visitors'] }}</dd>
     @endif
 
-    <dt>{{ __('Visites') }}</dt>
-    <dd>{{ $visits_summary['nb_visits'] }}</dd>
+    @if(isset($visits_summary['nb_visits']))
+        <dt>{{ __('Visites') }}</dt>
+        <dd>{{ $visits_summary['nb_visits'] }}</dd>
+    @endif
 
 
     {{-- Summary of totals --}}
@@ -105,7 +107,11 @@
                 @foreach (array_keys($table_map['summary']) as $summary_key)
                     <td data-name="{{ $summary_key }}"
                         @if($summary_key === 'formatted_date')data-sort-value="{{ $period_data['raw_date'] }}"@endif>
-                        {!! is_int($period_data[$summary_key]) ? $formatter->format($period_data[$summary_key]) : $period_data[$summary_key] !!}
+                        @if(isset($period_data[$summary_key]))
+                            {!! is_int($period_data[$summary_key]) ? $formatter->format($period_data[$summary_key]) : $period_data[$summary_key] !!}
+                        @else
+                            -
+                        @endif
                     </td>
                 @endforeach
             </tr>