Add "last month"/"this month" options in date range field.

Author: jmontoyaa

main/inc/lib/formvalidator/Element/DateRangePicker.php

@@ -172,6 +172,9 @@ private function getElementJS()
                     $minDate
                     ranges: {
                          '".addslashes(get_lang('Today'))."': [moment(), moment()],
+                         '".addslashes(get_lang('Yesterday'))."': [moment().subtract(1, 'days'), moment().subtract(1, 'days')],                                                  
+                         '".addslashes(get_lang('ThisMonth'))."': [moment().startOf('month'), moment().endOf('month')],
+                         '".addslashes(get_lang('LastMonth'))."': [moment().subtract(1, 'month').startOf('month'), moment().subtract(1, 'month').endOf('month')],                      
                          '".addslashes(get_lang('ThisWeek'))."': [moment().weekday(1), moment().weekday(5)],
                          '".addslashes(get_lang('NextWeek'))."': [moment().weekday(8), moment().weekday(12)]
                     },

main/lang/english/trad4all.inc.php

@@ -8137,4 +8137,6 @@
 $GroupDocumentAccess = "Document access";
 $DocumentGroupShareMode = "Share mode";
 $SessionDurationXDaysTotal = "This session has a limited duration of %s days";
+$LastMonth = "Last month";
+$ThisMonth = "This month";
 ?>

main/lang/spanish/trad4all.inc.php

@@ -8161,4 +8161,6 @@
 $GroupDocumentAccess = "Acceso a documento";
 $DocumentGroupShareMode = "Modo compartido";
 $SessionDurationXDaysTotal = "Esta sesión tiene una duración limitada a %s días";
+$LastMonth = "Mes pasado";
+$ThisMonth = "Este mes";
 ?>