feat(configureOn): Added configureOn option that will cause this directive to re-read its configur

configureOn accepts a string which is the name of the event that will trigger the directive to re-read its configuration.
-For example, perhaps the startView option in the configuration has changed and you would like the
new configuration to be used. You can $broadcast the event to cause this directive to use the new configuration.

closes dalelotts#204

Author: dalelotts

README.md

@@ -171,6 +171,15 @@ Number.  Default: 5
 
 The increment used to build the hour view. A button is created for each <code>minuteStep</code> minutes.
 
+### configureOn
+
+String. Default: null
+
+Causes the date/time picker to re-read its configuration when the specified event is received.
+
+For example, perhaps the startView option in the configuration has changed and you would like the 
+new configuration to be used. You can $broadcast the event to cause this directive to use the new configuration. 
+
 ### dropdownSelector
 
 When used within a Bootstrap dropdown and jQuery, the selector specified in dropdownSelector will toggle the dropdown when a date/time is selected.

demo/demo-controller.js

@@ -69,5 +69,24 @@ angular.module('demo.demoController', [])
       $scope.configFunction = function configFunction() {
         return {startView: 'month'};
       };
+
+      $scope.config = {
+        configureOnConfig: {
+          startView: 'year',
+          configureOn: 'config-changed'
+        }
+      };
+
+      var validViews = ['year', 'month', 'day', 'hour', 'minute'];
+
+      $scope.changeConfig = function changeConfig() {
+        var newIndex = validViews.indexOf($scope.config.configureOnConfig.startView) + 1;
+        console.log(newIndex);
+        if (newIndex >= validViews.length) {
+          newIndex = 0;
+        }
+        $scope.config.configureOnConfig.startView = validViews[newIndex];
+        $scope.$broadcast('config-changed');
+      };
     }
   ]);