Improve js and add native language support for datepicker and calendar

18 files changed, 61 insertions, 585 deletions

diff --git a/app/Core/Helper.php b/app/Core/Helper.php
index 42cfbc8a..25d580e9 100644
--- a/app/Core/Helper.php
+++ b/app/Core/Helper.php
@@ -599,56 +599,24 @@ class Helper
     }
 
     /**
-     * Get calendar translations
+     * Get javascript language code
      *
      * @access public
      * @return string
      */
-    public function getCalendarTranslations()
-    {
-        return json_encode(array(
-            'Today' => t('Today'),
-            'Jan' => t('Jan'),
-            'Feb' => t('Feb'),
-            'Mar' => t('Mar'),
-            'Apr' => t('Apr'),
-            'May' => t('May'),
-            'Jun' => t('Jun'),
-            'Jul' => t('Jul'),
-            'Aug' => t('Aug'),
-            'Sep' => t('Sep'),
-            'Oct' => t('Oct'),
-            'Nov' => t('Nov'),
-            'Dec' => t('Dec'),
-            'January' => t('January'),
-            'February' => t('February'),
-            'March' => t('March'),
-            'April' => t('April'),
-            'May' => t('May'),
-            'June' => t('June'),
-            'July' => t('July'),
-            'August' => t('August'),
-            'September' => t('September'),
-            'October' => t('October'),
-            'November' => t('November'),
-            'December' => t('December'),
-            'Sunday' => t('Sunday'),
-            'Monday' => t('Monday'),
-            'Tuesday' => t('Tuesday'),
-            'Wednesday' => t('Wednesday'),
-            'Thursday' => t('Thursday'),
-            'Friday' => t('Friday'),
-            'Saturday' => t('Saturday'),
-            'Sun' => t('Sun'),
-            'Mon' => t('Mon'),
-            'Tue' => t('Tue'),
-            'Wed' => t('Wed'),
-            'Thu' => t('Thu'),
-            'Fri' => t('Fri'),
-            'Sat' => t('Sat'),
-        ));
+    public function jsLang()
+    {
+        return $this->config->getJsLanguageCode();
     }
 
+    /**
+     * Get the link to toggle subtask status
+     *
+     * @access public
+     * @param  array   $subtask
+     * @param  string  $redirect
+     * @return string
+     */
     public function toggleSubtaskStatus(array $subtask, $redirect)
     {
         if ($subtask['status'] == 0 && isset($this->session['has_subtask_inprogress']) && $this->session['has_subtask_inprogress'] === true) {
diff --git a/app/Locale/da_DK/translations.php b/app/Locale/da_DK/translations.php
index 45611dcd..b312e29d 100644
--- a/app/Locale/da_DK/translations.php
+++ b/app/Locale/da_DK/translations.php
@@ -650,44 +650,6 @@ return array(
     // 'Filter by column' => '',
     // 'Filter by status' => '',
     // 'Calendar' => '',
-    // 'Today' => '',
-    // 'Jan ' => '',
-    // 'Feb' => '',
-    // 'Mar' => '',
-    // 'Apr' => '',
-    // 'May' => '',
-    // 'Jun' => '',
-    // 'Jul' => '',
-    // 'Aug' => '',
-    // 'Sep' => '',
-    // 'Oct' => '',
-    // 'Nov' => '',
-    // 'Dec' => '',
-    // 'January' => '',
-    // 'February' => '',
-    // 'March' => '',
-    // 'April' => '',
-    // 'June' => '',
-    // 'July' => '',
-    // 'August' => '',
-    // 'September' => '',
-    // 'October' => '',
-    // 'November' => '',
-    // 'December' => '',
-    // 'Sunday' => '',
-    // 'Monday' => '',
-    // 'Tuesday' => '',
-    // 'Wednesday' => '',
-    // 'Thursday' => '',
-    // 'Friday' => '',
-    // 'Saturday' => '',
-    // 'Sun' => '',
-    // 'Mon' => '',
-    // 'Tue' => '',
-    // 'Wed' => '',
-    // 'Thu' => '',
-    // 'Fri' => '',
-    // 'Sat' => '',
     // 'Next' => '',
     // '#%d' => '',
     // 'Filter by color' => '',
diff --git a/app/Locale/de_DE/translations.php b/app/Locale/de_DE/translations.php
index 6570f154..bd388342 100644
--- a/app/Locale/de_DE/translations.php
+++ b/app/Locale/de_DE/translations.php
@@ -650,44 +650,6 @@ return array(
     'Filter by column' => 'Spalte filtern',
     'Filter by status' => 'Status filtern',
     'Calendar' => 'Kalender',
-    'Today' => 'Heute',
-    'Jan ' => 'Jan',
-    'Feb' => 'Feb',
-    'Mar' => 'Mar',
-    'Apr' => 'Apr',
-    'May' => 'Mai',
-    'Jun' => 'Jun',
-    'Jul' => 'Jul',
-    'Aug' => 'Aug',
-    'Sep' => 'Sep',
-    'Oct' => 'Okt',
-    'Nov' => 'Nov',
-    'Dec' => 'Dez',
-    'January' => 'Januar',
-    'February' => 'Februar',
-    'March' => 'März',
-    'April' => 'April',
-    'June' => 'Juni',
-    'July' => 'Juli',
-    'August' => 'August',
-    'September' => 'September',
-    'October' => 'Oktober',
-    'November' => 'November',
-    'December' => 'Dezember',
-    'Sunday' => 'Sonntag',
-    'Monday' => 'Montag',
-    'Tuesday' => 'Dienstag',
-    'Wednesday' => 'Mittwoch',
-    'Thursday' => 'Donnerstag',
-    'Friday' => 'Freitag',
-    'Saturday' => 'Samstag',
-    'Sun' => 'So',
-    'Mon' => 'Mo',
-    'Tue' => 'Di',
-    'Wed' => 'Mi',
-    'Thu' => 'Do',
-    'Fri' => 'Fr',
-    'Sat' => 'Sa',
     'Next' => 'Nächste',
     // '#%d' => '',
     'Filter by color' => 'Farbe filtern',
diff --git a/app/Locale/es_ES/translations.php b/app/Locale/es_ES/translations.php
index 91eeab00..ec42cc9c 100644
--- a/app/Locale/es_ES/translations.php
+++ b/app/Locale/es_ES/translations.php
@@ -650,44 +650,6 @@ return array(
     'Filter by column' => 'Filtrar por columna',
     'Filter by status' => 'Filtrar por estado',
     'Calendar' => 'Calendario',
-    'Today' => 'Hoy',
-    'Jan ' => 'Ene',
-    'Feb' => 'Feb',
-    'Mar' => 'Mar',
-    'Apr' => 'Abr',
-    'May' => 'May',
-    'Jun' => 'Jun',
-    'Jul' => 'Jul',
-    'Aug' => 'Ago',
-    'Sep' => 'Sep',
-    'Oct' => 'Oct',
-    'Nov' => 'Nov',
-    'Dec' => 'Dic',
-    'January' => 'Enero',
-    'February' => 'Febrero',
-    'March' => 'Marzo',
-    'April' => 'Abril',
-    'June' => 'Junio',
-    'July' => 'Julio',
-    'August' => 'Agosto',
-    'September' => 'Septiembre',
-    'October' => 'Octubre',
-    'November' => 'Noviembre',
-    'December' => 'Diciembre',
-    'Sunday' => 'Domingo',
-    'Monday' => 'Lunes',
-    'Tuesday' => 'Martes',
-    'Wednesday' => 'Miércoles',
-    'Thursday' => 'Jueves',
-    'Friday' => 'Viernes',
-    'Saturday' => 'Sabado',
-    'Sun' => 'Dom',
-    'Mon' => 'Lun',
-    'Tue' => 'Mar',
-    'Wed' => 'Mie',
-    'Thu' => 'Jue',
-    'Fri' => 'Vie',
-    'Sat' => 'Sab',
     'Next' => 'Siguiente',
     '#%d' => '',
     'Filter by color' => 'Filtrar por color',
diff --git a/app/Locale/fi_FI/translations.php b/app/Locale/fi_FI/translations.php
index 4db578dd..c5f45e2d 100644
--- a/app/Locale/fi_FI/translations.php
+++ b/app/Locale/fi_FI/translations.php
@@ -650,44 +650,6 @@ return array(
     // 'Filter by column' => '',
     // 'Filter by status' => '',
     // 'Calendar' => '',
-    // 'Today' => '',
-    // 'Jan ' => '',
-    // 'Feb' => '',
-    // 'Mar' => '',
-    // 'Apr' => '',
-    // 'May' => '',
-    // 'Jun' => '',
-    // 'Jul' => '',
-    // 'Aug' => '',
-    // 'Sep' => '',
-    // 'Oct' => '',
-    // 'Nov' => '',
-    // 'Dec' => '',
-    // 'January' => '',
-    // 'February' => '',
-    // 'March' => '',
-    // 'April' => '',
-    // 'June' => '',
-    // 'July' => '',
-    // 'August' => '',
-    // 'September' => '',
-    // 'October' => '',
-    // 'November' => '',
-    // 'December' => '',
-    // 'Sunday' => '',
-    // 'Monday' => '',
-    // 'Tuesday' => '',
-    // 'Wednesday' => '',
-    // 'Thursday' => '',
-    // 'Friday' => '',
-    // 'Saturday' => '',
-    // 'Sun' => '',
-    // 'Mon' => '',
-    // 'Tue' => '',
-    // 'Wed' => '',
-    // 'Thu' => '',
-    // 'Fri' => '',
-    // 'Sat' => '',
     // 'Next' => '',
     // '#%d' => '',
     // 'Filter by color' => '',
diff --git a/app/Locale/fr_FR/translations.php b/app/Locale/fr_FR/translations.php
index 90eb87af..8148361c 100644
--- a/app/Locale/fr_FR/translations.php
+++ b/app/Locale/fr_FR/translations.php
@@ -652,44 +652,6 @@ return array(
     'Filter by column' => 'Filtrer par colonne',
     'Filter by status' => 'Filtrer par status',
     'Calendar' => 'Agenda',
-    'Today' => 'Aujourd\'hui',
-    'Jan ' => 'Janv',
-    'Feb' => 'Fév',
-    'Mar' => 'Mars',
-    'Apr' => 'Avr',
-    'May' => 'Mai',
-    'Jun' => 'Juin',
-    'Jul' => 'Juil',
-    'Aug' => 'Août',
-    'Sep' => 'Sept',
-    'Oct' => 'Oct',
-    'Nov' => 'Nov',
-    'Dec' => 'Déc',
-    'January' => 'Janvier',
-    'February' => 'Février',
-    'March' => 'Mars',
-    'April' => 'Avril',
-    'June' => 'Juin',
-    'July' => 'Juillet',
-    'August' => 'Août',
-    'September' => 'Septembre',
-    'October' => 'Octobre',
-    'November' => 'Novembre',
-    'December' => 'Décembre',
-    'Sunday' => 'Dimanche',
-    'Monday' => 'Lundi',
-    'Tuesday' => 'Mardi',
-    'Wednesday' => 'Mercredi',
-    'Thursday' => 'Jeudi',
-    'Friday' => 'Vendredi',
-    'Saturday' => 'Samedi',
-    'Sun' => 'Dim',
-    'Mon' => 'Lun',
-    'Tue' => 'Mar',
-    'Wed' => 'Mer',
-    'Thu' => 'Jeu',
-    'Fri' => 'Ven',
-    'Sat' => 'Sam',
     'Next' => 'Suivant',
     '#%d' => 'n˚%d',
     'Filter by color' => 'Filtrer par couleur',
diff --git a/app/Locale/hu_HU/translations.php b/app/Locale/hu_HU/translations.php
index 252e57ef..25e330a2 100644
--- a/app/Locale/hu_HU/translations.php
+++ b/app/Locale/hu_HU/translations.php
@@ -650,44 +650,6 @@ return array(
     // 'Filter by column' => '',
     // 'Filter by status' => '',
     // 'Calendar' => '',
-    // 'Today' => '',
-    // 'Jan ' => '',
-    // 'Feb' => '',
-    // 'Mar' => '',
-    // 'Apr' => '',
-    // 'May' => '',
-    // 'Jun' => '',
-    // 'Jul' => '',
-    // 'Aug' => '',
-    // 'Sep' => '',
-    // 'Oct' => '',
-    // 'Nov' => '',
-    // 'Dec' => '',
-    // 'January' => '',
-    // 'February' => '',
-    // 'March' => '',
-    // 'April' => '',
-    // 'June' => '',
-    // 'July' => '',
-    // 'August' => '',
-    // 'September' => '',
-    // 'October' => '',
-    // 'November' => '',
-    // 'December' => '',
-    // 'Sunday' => '',
-    // 'Monday' => '',
-    // 'Tuesday' => '',
-    // 'Wednesday' => '',
-    // 'Thursday' => '',
-    // 'Friday' => '',
-    // 'Saturday' => '',
-    // 'Sun' => '',
-    // 'Mon' => '',
-    // 'Tue' => '',
-    // 'Wed' => '',
-    // 'Thu' => '',
-    // 'Fri' => '',
-    // 'Sat' => '',
     // 'Next' => '',
     // '#%d' => '',
     // 'Filter by color' => '',
diff --git a/app/Locale/it_IT/translations.php b/app/Locale/it_IT/translations.php
index 4f0e6bc5..ff8ac1cb 100644
--- a/app/Locale/it_IT/translations.php
+++ b/app/Locale/it_IT/translations.php
@@ -650,44 +650,6 @@ return array(
     // 'Filter by column' => '',
     // 'Filter by status' => '',
     // 'Calendar' => '',
-    // 'Today' => '',
-    // 'Jan ' => '',
-    // 'Feb' => '',
-    // 'Mar' => '',
-    // 'Apr' => '',
-    // 'May' => '',
-    // 'Jun' => '',
-    // 'Jul' => '',
-    // 'Aug' => '',
-    // 'Sep' => '',
-    // 'Oct' => '',
-    // 'Nov' => '',
-    // 'Dec' => '',
-    // 'January' => '',
-    // 'February' => '',
-    // 'March' => '',
-    // 'April' => '',
-    // 'June' => '',
-    // 'July' => '',
-    // 'August' => '',
-    // 'September' => '',
-    // 'October' => '',
-    // 'November' => '',
-    // 'December' => '',
-    // 'Sunday' => '',
-    // 'Monday' => '',
-    // 'Tuesday' => '',
-    // 'Wednesday' => '',
-    // 'Thursday' => '',
-    // 'Friday' => '',
-    // 'Saturday' => '',
-    // 'Sun' => '',
-    // 'Mon' => '',
-    // 'Tue' => '',
-    // 'Wed' => '',
-    // 'Thu' => '',
-    // 'Fri' => '',
-    // 'Sat' => '',
     // 'Next' => '',
     // '#%d' => '',
     // 'Filter by color' => '',
diff --git a/app/Locale/ja_JP/translations.php b/app/Locale/ja_JP/translations.php
index a71bffdd..12dfb953 100644
--- a/app/Locale/ja_JP/translations.php
+++ b/app/Locale/ja_JP/translations.php
@@ -650,44 +650,6 @@ return array(
     // 'Filter by column' => '',
     // 'Filter by status' => '',
     // 'Calendar' => '',
-    // 'Today' => '',
-    // 'Jan ' => '',
-    // 'Feb' => '',
-    // 'Mar' => '',
-    // 'Apr' => '',
-    // 'May' => '',
-    // 'Jun' => '',
-    // 'Jul' => '',
-    // 'Aug' => '',
-    // 'Sep' => '',
-    // 'Oct' => '',
-    // 'Nov' => '',
-    // 'Dec' => '',
-    // 'January' => '',
-    // 'February' => '',
-    // 'March' => '',
-    // 'April' => '',
-    // 'June' => '',
-    // 'July' => '',
-    // 'August' => '',
-    // 'September' => '',
-    // 'October' => '',
-    // 'November' => '',
-    // 'December' => '',
-    // 'Sunday' => '',
-    // 'Monday' => '',
-    // 'Tuesday' => '',
-    // 'Wednesday' => '',
-    // 'Thursday' => '',
-    // 'Friday' => '',
-    // 'Saturday' => '',
-    // 'Sun' => '',
-    // 'Mon' => '',
-    // 'Tue' => '',
-    // 'Wed' => '',
-    // 'Thu' => '',
-    // 'Fri' => '',
-    // 'Sat' => '',
     // 'Next' => '',
     // '#%d' => '',
     // 'Filter by color' => '',
diff --git a/app/Locale/pl_PL/translations.php b/app/Locale/pl_PL/translations.php
index 49fb3272..53e9e550 100644
--- a/app/Locale/pl_PL/translations.php
+++ b/app/Locale/pl_PL/translations.php
@@ -650,44 +650,6 @@ return array(
     'Filter by column' => 'Filtrj według kolumn',
     'Filter by status' => 'Filtruj według statusu',
     'Calendar' => 'Kalendarz',
-    'Today' => 'Dzisiaj',
-    'Jan ' => 'Sty',
-    'Feb' => 'Lut',
-    'Mar' => 'Mar',
-    'Apr' => 'Kwi',
-    'May' => 'Maj',
-    'Jun' => 'Cze',
-    'Jul' => 'Lip',
-    'Aug' => 'Sie',
-    'Sep' => 'Wrz',
-    'Oct' => 'Paź',
-    'Nov' => 'Lis',
-    'Dec' => 'Gru',
-    'January' => 'Styczeń',
-    'February' => 'Luty',
-    'March' => 'Marzec',
-    'April' => 'Kwiecień',
-    'June' => 'Czerwiec',
-    'July' => 'Lipiec',
-    'August' => 'Sierpień',
-    'September' => 'Wrzesień',
-    'October' => 'Październik',
-    'November' => 'Listopad',
-    'December' => 'Grudzień',
-    'Sunday' => 'Niedziela',
-    'Monday' => 'Poniedziałek',
-    'Tuesday' => 'Wtorek',
-    'Wednesday' => 'Środa',
-    'Thursday' => 'Czwartek',
-    'Friday' => 'Piątek',
-    'Saturday' => 'Sobota',
-    'Sun' => 'Nie',
-    'Mon' => 'Pon',
-    'Tue' => 'Wto',
-    'Wed' => 'Śro',
-    'Thu' => 'Czw',
-    'Fri' => 'Pią',
-    'Sat' => 'Sob',
     'Next' => 'Następny',
     // '#%d' => '',
     'Filter by color' => 'Filtruj według koloru',
diff --git a/app/Locale/pt_BR/translations.php b/app/Locale/pt_BR/translations.php
index bd327f0b..368ce0e6 100644
--- a/app/Locale/pt_BR/translations.php
+++ b/app/Locale/pt_BR/translations.php
@@ -650,44 +650,6 @@ return array(
     'Filter by column' => 'Filtrar por coluna',
     'Filter by status' => 'Filtrar por status',
     'Calendar' => 'Calendário',
-    'Today' => 'Hoje',
-    'Jan ' => 'Jan',
-    'Feb' => 'Fev',
-    'Mar' => 'Mar',
-    'Apr' => 'Abr',
-    'May' => 'Maio',
-    'Jun' => 'Jun',
-    'Jul' => 'Jul',
-    'Aug' => 'Ago',
-    'Sep' => 'Set',
-    'Oct' => 'Out',
-    'Nov' => 'Nov',
-    'Dec' => 'Dez',
-    'January' => 'Janeiro',
-    'February' => 'Fevereiro',
-    'March' => 'Março',
-    'April' => 'Abril',
-    'June' => 'Junho',
-    'July' => 'Julho',
-    'August' => 'Agosto',
-    'September' => 'Setembro',
-    'October' => 'Outubro',
-    'November' => 'Novembro',
-    'December' => 'Dezembro',
-    'Sunday' => 'Domingo',
-    'Monday' => 'Segunda',
-    'Tuesday' => 'Terça',
-    'Wednesday' => 'Quarta',
-    'Thursday' => 'Quinta',
-    'Friday' => 'Sexta',
-    'Saturday' => 'Sábado',
-    'Sun' => 'Dom',
-    'Mon' => 'Seg',
-    'Tue' => 'Ter',
-    'Wed' => 'Qua',
-    'Thu' => 'Qui',
-    'Fri' => 'Sex',
-    'Sat' => 'Sáb',
     'Next' => 'Próximo',
     // '#%d' => '',
     'Filter by color' => 'Filtrar por cor',
diff --git a/app/Locale/ru_RU/translations.php b/app/Locale/ru_RU/translations.php
index 1042830d..134133ca 100644
--- a/app/Locale/ru_RU/translations.php
+++ b/app/Locale/ru_RU/translations.php
@@ -650,44 +650,6 @@ return array(
     // 'Filter by column' => '',
     // 'Filter by status' => '',
     // 'Calendar' => '',
-    // 'Today' => '',
-    // 'Jan ' => '',
-    // 'Feb' => '',
-    // 'Mar' => '',
-    // 'Apr' => '',
-    // 'May' => '',
-    // 'Jun' => '',
-    // 'Jul' => '',
-    // 'Aug' => '',
-    // 'Sep' => '',
-    // 'Oct' => '',
-    // 'Nov' => '',
-    // 'Dec' => '',
-    // 'January' => '',
-    // 'February' => '',
-    // 'March' => '',
-    // 'April' => '',
-    // 'June' => '',
-    // 'July' => '',
-    // 'August' => '',
-    // 'September' => '',
-    // 'October' => '',
-    // 'November' => '',
-    // 'December' => '',
-    // 'Sunday' => '',
-    // 'Monday' => '',
-    // 'Tuesday' => '',
-    // 'Wednesday' => '',
-    // 'Thursday' => '',
-    // 'Friday' => '',
-    // 'Saturday' => '',
-    // 'Sun' => '',
-    // 'Mon' => '',
-    // 'Tue' => '',
-    // 'Wed' => '',
-    // 'Thu' => '',
-    // 'Fri' => '',
-    // 'Sat' => '',
     // 'Next' => '',
     // '#%d' => '',
     // 'Filter by color' => '',
diff --git a/app/Locale/sv_SE/translations.php b/app/Locale/sv_SE/translations.php
index cdae7fde..c0babf5a 100644
--- a/app/Locale/sv_SE/translations.php
+++ b/app/Locale/sv_SE/translations.php
@@ -650,44 +650,6 @@ return array(
     // 'Filter by column' => '',
     // 'Filter by status' => '',
     // 'Calendar' => '',
-    // 'Today' => '',
-    // 'Jan ' => '',
-    // 'Feb' => '',
-    // 'Mar' => '',
-    // 'Apr' => '',
-    // 'May' => '',
-    // 'Jun' => '',
-    // 'Jul' => '',
-    // 'Aug' => '',
-    // 'Sep' => '',
-    // 'Oct' => '',
-    // 'Nov' => '',
-    // 'Dec' => '',
-    // 'January' => '',
-    // 'February' => '',
-    // 'March' => '',
-    // 'April' => '',
-    // 'June' => '',
-    // 'July' => '',
-    // 'August' => '',
-    // 'September' => '',
-    // 'October' => '',
-    // 'November' => '',
-    // 'December' => '',
-    // 'Sunday' => '',
-    // 'Monday' => '',
-    // 'Tuesday' => '',
-    // 'Wednesday' => '',
-    // 'Thursday' => '',
-    // 'Friday' => '',
-    // 'Saturday' => '',
-    // 'Sun' => '',
-    // 'Mon' => '',
-    // 'Tue' => '',
-    // 'Wed' => '',
-    // 'Thu' => '',
-    // 'Fri' => '',
-    // 'Sat' => '',
     'Next' => 'Nästa',
     // '#%d' => '',
     // 'Filter by color' => '',
diff --git a/app/Locale/th_TH/translations.php b/app/Locale/th_TH/translations.php
index 54d94519..3455739c 100644
--- a/app/Locale/th_TH/translations.php
+++ b/app/Locale/th_TH/translations.php
@@ -650,44 +650,6 @@ return array(
     // 'Filter by column' => '',
     // 'Filter by status' => '',
     // 'Calendar' => '',
-    // 'Today' => '',
-    // 'Jan ' => '',
-    // 'Feb' => '',
-    // 'Mar' => '',
-    // 'Apr' => '',
-    // 'May' => '',
-    // 'Jun' => '',
-    // 'Jul' => '',
-    // 'Aug' => '',
-    // 'Sep' => '',
-    // 'Oct' => '',
-    // 'Nov' => '',
-    // 'Dec' => '',
-    // 'January' => '',
-    // 'February' => '',
-    // 'March' => '',
-    // 'April' => '',
-    // 'June' => '',
-    // 'July' => '',
-    // 'August' => '',
-    // 'September' => '',
-    // 'October' => '',
-    // 'November' => '',
-    // 'December' => '',
-    // 'Sunday' => '',
-    // 'Monday' => '',
-    // 'Tuesday' => '',
-    // 'Wednesday' => '',
-    // 'Thursday' => '',
-    // 'Friday' => '',
-    // 'Saturday' => '',
-    // 'Sun' => '',
-    // 'Mon' => '',
-    // 'Tue' => '',
-    // 'Wed' => '',
-    // 'Thu' => '',
-    // 'Fri' => '',
-    // 'Sat' => '',
     // 'Next' => '',
     // '#%d' => '',
     // 'Filter by color' => '',
diff --git a/app/Locale/zh_CN/translations.php b/app/Locale/zh_CN/translations.php
index 2a2bc0b8..ed9ab82b 100644
--- a/app/Locale/zh_CN/translations.php
+++ b/app/Locale/zh_CN/translations.php
@@ -650,44 +650,6 @@ return array(
     // 'Filter by column' => '',
     // 'Filter by status' => '',
     // 'Calendar' => '',
-    // 'Today' => '',
-    // 'Jan ' => '',
-    // 'Feb' => '',
-    // 'Mar' => '',
-    // 'Apr' => '',
-    // 'May' => '',
-    // 'Jun' => '',
-    // 'Jul' => '',
-    // 'Aug' => '',
-    // 'Sep' => '',
-    // 'Oct' => '',
-    // 'Nov' => '',
-    // 'Dec' => '',
-    // 'January' => '',
-    // 'February' => '',
-    // 'March' => '',
-    // 'April' => '',
-    // 'June' => '',
-    // 'July' => '',
-    // 'August' => '',
-    // 'September' => '',
-    // 'October' => '',
-    // 'November' => '',
-    // 'December' => '',
-    // 'Sunday' => '',
-    // 'Monday' => '',
-    // 'Tuesday' => '',
-    // 'Wednesday' => '',
-    // 'Thursday' => '',
-    // 'Friday' => '',
-    // 'Saturday' => '',
-    // 'Sun' => '',
-    // 'Mon' => '',
-    // 'Tue' => '',
-    // 'Wed' => '',
-    // 'Thu' => '',
-    // 'Fri' => '',
-    // 'Sat' => '',
     // 'Next' => '',
     // '#%d' => '',
     // 'Filter by color' => '',
diff --git a/app/Model/Config.php b/app/Model/Config.php
index d078a00a..542cedf7 100644
--- a/app/Model/Config.php
+++ b/app/Model/Config.php
@@ -76,6 +76,52 @@ class Config extends Base
     }
 
     /**
+     * Get javascript language code
+     *
+     * @access public
+     * @return string
+     */
+    public function getJsLanguageCode()
+    {
+        $languages = array(
+            'da_DK' => 'da',
+            'de_DE' => 'de',
+            'en_US' => 'en',
+            'es_ES' => 'es',
+            'fr_FR' => 'fr',
+            'it_IT' => 'it',
+            'hu_HU' => 'hu',
+            'pl_PL' => 'pl',
+            'pt_BR' => 'pt-br',
+            'ru_RU' => 'ru',
+            'fi_FI' => 'fi',
+            'sv_SE' => 'sv',
+            'zh_CN' => 'zh-cn',
+            'ja_JP' => 'ja',
+            'th_TH' => 'th',
+        );
+
+        $lang = $this->getCurrentLanguage();
+
+        return isset($languages[$lang]) ? $languages[$lang] : 'en';
+    }
+
+    /**
+     * Get current language
+     *
+     * @access public
+     * @return string
+     */
+    public function getCurrentLanguage()
+    {
+        if ($this->userSession->isLogged() && ! empty($this->session['user']['language'])) {
+            return $this->session['user']['language'];
+        }
+
+        return $this->get('application_language', 'en_US');
+    }
+
+    /**
      * Get a config variable from the session or the database
      *
      * @access public
@@ -152,12 +198,7 @@ class Config extends Base
      */
     public function setupTranslations()
     {
-        if ($this->userSession->isLogged() && ! empty($this->session['user']['language'])) {
-            Translator::load($this->session['user']['language']);
-        }
-        else {
-            Translator::load($this->get('application_language', 'en_US'));
-        }
+        Translator::load($this->getCurrentLanguage());
     }
 
     /**
diff --git a/app/Template/calendar/show.php b/app/Template/calendar/show.php
index a0bda008..b258e391 100644
--- a/app/Template/calendar/show.php
+++ b/app/Template/calendar/show.php
@@ -37,9 +37,8 @@
                  data-save-url="<?= $this->u('calendar', 'save', array('project_id' => $project['id'])) ?>"
                  data-check-url="<?= $this->u('calendar', 'events', array('project_id' => $project['id'])) ?>"
                  data-check-interval="<?= $check_interval ?>"
-                 data-translations='<?= $this->getCalendarTranslations() ?>'
             >
             </div>
         </div>
     </section>
-</section>
+</section>
\ No newline at end of file
diff --git a/app/Template/layout.php b/app/Template/layout.php
index f04dad4b..0e44569e 100644
--- a/app/Template/layout.php
+++ b/app/Template/layout.php
@@ -25,7 +25,7 @@
 
         <title><?= isset($title) ? $this->e($title) : 'Kanboard' ?></title>
     </head>
-    <body data-status-url="<?= $this->u('app', 'status') ?>" data-login-url="<?= $this->u('user', 'login') ?>">
+    <body data-status-url="<?= $this->u('app', 'status') ?>" data-login-url="<?= $this->u('user', 'login') ?>" data-js-lang="<?= $this->jsLang() ?>">
     <?php if (isset($no_layout) && $no_layout): ?>
         <?= $content_for_layout ?>
     <?php else: ?>