Reverted changes from 468994f which were causing content to be lost.

Author: John Rix

angular-material-calendar.js

@@ -177,7 +177,7 @@ angular.module("materialCalendar").service("MaterialCalendarData", [function ()
         };
 
         this.setDayContent = function(date, content) {
-            this.data[this.getDayKey(date)] = content || "";
+            this.data[this.getDayKey(date)] = content || this.data[this.getDayKey(date)] || "";
         };
     }
     return new CalendarData();

angular-material-calendar.min.js

@@ -1,6 +1,6 @@
 {
   "name": "material-calendar",
-  "version": "0.2.16",
+  "version": "0.2.17",
   "homepage": "https://github.com/bradberger/material-calendar",
   "keywords": "angular material design calendar ngCalendar mdCalendar calendarMd calendar-md md-calendar ng-calendar",
   "authors": [

bower.json

@@ -177,7 +177,7 @@ angular.module("materialCalendar").service("MaterialCalendarData", [function ()
         };
 
         this.setDayContent = function(date, content) {
-            this.data[this.getDayKey(date)] = content || "";
+            this.data[this.getDayKey(date)] = content || this.data[this.getDayKey(date)] || "";
         };
     }
     return new CalendarData();

dist/angular-material-calendar.js

@@ -1,6 +1,6 @@
 {
   "name": "angular-material-calendar",
-  "version": "0.2.16",
+  "version": "0.2.17",
   "description": "A calendar directive for AngularJS and Angular Material Design",
   "keywords": [
     "angular",

dist/angular-material-calendar.min.js

@@ -177,7 +177,7 @@ angular.module("materialCalendar").service("MaterialCalendarData", [function ()
         };
 
         this.setDayContent = function(date, content) {
-            this.data[this.getDayKey(date)] = content || "";
+            this.data[this.getDayKey(date)] = content || this.data[this.getDayKey(date)] || "";
         };
     }
     return new CalendarData();