From 08ed0e36c32d0d65df3fb21be6c9780775a0fb3b Mon Sep 17 00:00:00 2001
From: Jp Chavat <jupach@gmail.com>
Date: Sat, 10 Jun 2017 21:58:12 -0300
Subject: [PATCH] Added date-enabled-dates as an option similar to
 date-disabled-dates.

---
 .gitignore                   |  1 +
 README.md                    |  3 ++-
 src/js/angular-datepicker.js | 29 +++++++++++++++++++++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index c8aea3c..3353a52 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 node_modules/
 bower_components/
 npm-debug.log
+**/.idea
\ No newline at end of file
diff --git a/README.md b/README.md
index 74fdc3e..a4b9a4c 100644
--- a/README.md
+++ b/README.md
@@ -85,7 +85,8 @@ date-format="" | String | String(new Date()) | Set the date format you want to u
 date-min-limit="" | String | false | Set a minimum date limit - you can use all the accepted date formats by the javascript `new Date()`
 date-max-limit="" | String | false | Set a maximum date limit - you can use all the accepted date formats by the javascript `new Date()`
 date-set-hidden="" | String(Boolean) | false | Set the default date to be shown only in calendar and not in the input field
-date-disabled-dates="" | String([Date(), Date(), ...]) | false | Disable specific dates using an _Array_ of dates
+date-disabled-dates="" | String([Date(), Date(), ...]) | false | Disable specific dates using an _Array_ of dates.
+date-enabled-dates="" | String([Date(), Date(), ...]) | false | Enable only the specific dates using an _Array_ of dates.
 date-disabled-weekdays="" | String(1, 5, ...]) | false | Disable specific weekdays using an _Array_ of weeks number
 date-refocus="" | String(Boolean) | false | Set the datepicker to re-focus the input after selecting a date
 date-typer="" | String(Boolean) | false | Set the datepicker to update calendar date when user is typing a date, see validation [tips](#date-validation)
diff --git a/src/js/angular-datepicker.js b/src/js/angular-datepicker.js
index acd7c43..34eb75d 100644
--- a/src/js/angular-datepicker.js
+++ b/src/js/angular-datepicker.js
@@ -157,6 +157,7 @@
           //, dateMinLimit
           //, dateMaxLimit
           , dateDisabledDates = $scope.$eval($scope.dateDisabledDates)
+          , dateEnabledDates = $scope.$eval($scope.dateEnabledDates)
           , dateDisabledWeekdays = $scope.$eval($scope.dateDisabledWeekdays)
           , date = new Date()
           , isMouseOn = false
@@ -483,6 +484,17 @@
             if (newValue) {
               dateDisabledDates = $scope.$eval(newValue);
 
+              if (!$scope.isSelectableDate($scope.monthNumber, $scope.year, $scope.day)) {
+                thisInput.val('');
+                thisInput.triggerHandler('input');
+                thisInput.triggerHandler('change');//just to be sure;
+              }
+            }
+          })
+          , unregisterDateEnabledDatesWatcher = $scope.$watch('dateEnabledDates', function dateEnabledDatesWatcher(newValue) {
+            if (newValue) {
+              dateEnabledDates = $scope.$eval(newValue);
+
               if (!$scope.isSelectableDate($scope.monthNumber, $scope.year, $scope.day)) {
                 thisInput.val('');
                 thisInput.triggerHandler('input');
@@ -788,6 +800,21 @@
               }
             }
           }
+
+          if (dateEnabledDates &&
+            dateEnabledDates.length > 0) {
+
+            for (i; i <= dateEnabledDates.length; i += 1) {
+
+              if (new Date(dateEnabledDates[i]).getTime() === new Date(monthNumber + '/' + day + '/' + year).getTime()) {
+
+                return true;
+              }
+            }
+
+            return false;
+          }
+
           return true;
         };
 
@@ -973,6 +1000,7 @@
           unregisterDateMaxLimitWatcher();
           unregisterDateFormatWatcher();
           unregisterDateDisabledDatesWatcher();
+          unregisterDateEnabledDatesWatcher();
           thisInput.off('focus click focusout blur');
           angular.element(theCalendar).off('mouseenter mouseleave focusin');
           angular.element($window).off('click focus focusin', onClickOnWindow);
@@ -990,6 +1018,7 @@
           'buttonNextTitle': '@',
           'buttonPrevTitle': '@',
           'dateDisabledDates': '@',
+          'dateEnabledDates': '@',
           'dateDisabledWeekdays': '@',
           'dateSetHidden': '@',
           'dateTyper': '@',