fix(datepicker): fixed shortcut event kill by adding option

Added optional `shortcut-propagation` attribute for optionally allowing the keydown event to propagate upwards

Author: oleduc

src/datepicker/datepicker.js

@@ -14,7 +14,8 @@ angular.module('ui.bootstrap.datepicker', ['ui.bootstrap.dateparser', 'ui.bootst
   startingDay: 0,
   yearRange: 20,
   minDate: null,
-  maxDate: null
+  maxDate: null,
+  shortcutPropagation: false
 })
 
 .controller('DatepickerController', ['$scope', '$attrs', '$parse', '$interpolate', '$timeout', '$log', 'dateFilter', 'datepickerConfig', function($scope, $attrs, $parse, $interpolate, $timeout, $log, dateFilter, datepickerConfig) {
@@ -26,7 +27,7 @@ angular.module('ui.bootstrap.datepicker', ['ui.bootstrap.dateparser', 'ui.bootst
 
   // Configuration attributes
   angular.forEach(['formatDay', 'formatMonth', 'formatYear', 'formatDayHeader', 'formatDayTitle', 'formatMonthTitle',
-                   'minMode', 'maxMode', 'showWeeks', 'startingDay', 'yearRange'], function( key, index ) {
+                   'minMode', 'maxMode', 'showWeeks', 'startingDay', 'yearRange', 'shortcutPropagation'], function( key, index ) {
     self[key] = angular.isDefined($attrs[key]) ? (index < 8 ? $interpolate($attrs[key])($scope.$parent) : $scope.$parent.$eval($attrs[key])) : datepickerConfig[key];
   });
 
@@ -175,7 +176,9 @@ angular.module('ui.bootstrap.datepicker', ['ui.bootstrap.dateparser', 'ui.bootst
     }
 
     evt.preventDefault();
-    evt.stopPropagation();
+    if(!self.shortcutPropagation){
+        evt.stopPropagation();
+    }
 
     if (key === 'enter' || key === 'space') {
       if ( self.isDisabled(self.activeDate)) {
@@ -201,7 +204,8 @@ angular.module('ui.bootstrap.datepicker', ['ui.bootstrap.dateparser', 'ui.bootst
     scope: {
       datepickerMode: '=?',
       dateDisabled: '&',
-      customClass: '&'
+      customClass: '&',
+      shortcutPropagation: '&?'
     },
     require: ['datepicker', '?^ngModel'],
     controller: 'DatepickerController',

src/datepicker/docs/readme.md

@@ -79,7 +79,11 @@ All settings can be provided as attributes in the `datepicker` or globally confi
 
  * `year-range`
  	_(Default: 20)_ :
- 	Number of years displayed in year selection.
+ 	Number of years displayed in year selection. 
+ 	
+ * `shortcut-propagation`
+    _(Default: false)_ :
+    An option to disable or enable shortcut's event propagation.
 
 
 ### Popup Settings ###