fix(events): Possibility to update the events shown #37

* Closes #37
* The internal eventsMap got filled only in initState before
* Now every time the widget re-renders the update of the internal events map happens
* Allows the user to update the list of events displayed by the calendar widget

#37

CHANGELOG.md

@@ -1,3 +1,6 @@
+## [0.3.6+19] - 2022-06-03
+* Issue #37 closed
+
 ## [0.3.5+18] - 2022-05-04
 * Option to change color of selected day when same date as today
 

lib/flutter_neat_and_clean_calendar.dart

@@ -185,6 +185,19 @@ class _CalendarState extends State<Calendar> {
     super.initState();
     isExpanded = widget.isExpanded;
 
+    _selectedDate = widget.initialDate ?? DateTime.now();
+    initializeDateFormatting(widget.locale, null).then((_) => setState(() {
+          var monthFormat =
+              DateFormat('MMMM yyyy', widget.locale).format(_selectedDate);
+          displayMonth =
+              '${monthFormat[0].toUpperCase()}${monthFormat.substring(1)}';
+        }));
+  }
+
+  /// The method [_updateEventsMap] has the purpose to update the eventsMap, when the calendar widget
+  /// renders its view. When this method executes, it fills the eventsMap with the contents of the
+  /// given eventsList. This can be used to update the events shown by the calendar.
+  void _updateEventsMap() {
     eventsMap = widget.events ?? {};
     // If the user provided a list of events, then convert it to a map, but only if there
     // was no map of events provided. To provide the events in form of a map is the way,
@@ -260,21 +273,16 @@ class _CalendarState extends State<Calendar> {
         }
       });
     }
-
-    _selectedDate = widget.initialDate ?? DateTime.now();
     selectedMonthsDays = _daysInMonth(_selectedDate);
     selectedWeekDays = Utils.daysInRange(
             _firstDayOfWeek(_selectedDate), _lastDayOfWeek(_selectedDate))
         .toList();
-    initializeDateFormatting(widget.locale, null).then((_) => setState(() {
-          var monthFormat =
-              DateFormat('MMMM yyyy', widget.locale).format(_selectedDate);
-          displayMonth =
-              '${monthFormat[0].toUpperCase()}${monthFormat.substring(1)}';
-        }));
+
     _selectedEvents = eventsMap?[DateTime(
             _selectedDate.year, _selectedDate.month, _selectedDate.day)] ??
         [];
+
+    print('eventsMap has ${eventsMap?.length} entries');
   }
 
   Widget get nameAndIconRow {
@@ -714,6 +722,8 @@ class _CalendarState extends State<Calendar> {
 
   @override
   Widget build(BuildContext context) {
+    _updateEventsMap();
+
     // If _selectedEvents is not null, then we sort the events by isAllDay propeerty, so that
     // all day events are displayed at the top of the list.
     // Slightly inexxficient, to do this sort each time, the widget builds.

pubspec.lock

@@ -42,14 +42,14 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -80,7 +80,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
@@ -94,7 +94,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -106,7 +106,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -141,20 +141,13 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.8"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
+    version: "0.4.9"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.14.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"

pubspec.yaml

@@ -3,7 +3,7 @@ description: >-
   Simple and clean flutter calendar with ability to  slide up/down to show
   weekly/monthly calendar.  Fork of
   https://pub.dev/packages/flutter_clean_calendar
-version: 0.3.5+18
+version: 0.3.6+19
 homepage: https://github.com/rwbr/flutter_neat_and_clean_calendar
 
 environment: