Add a way to change the culture of the calendar in playground page of sample app

Author: ME-MarvinE

XCalendarFormsSample/XCalendarFormsSample/App.xaml.cs

@@ -1,4 +1,5 @@
-using Xamarin.Forms;
+using System.Globalization;
+using Xamarin.Forms;
 using XCalendarFormsSample.Views;
 
 namespace XCalendarFormsSample

XCalendarFormsSample/XCalendarFormsSample/ViewModels/PlaygroundViewModel.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Windows.Input;
 using Xamarin.Forms;
@@ -46,6 +47,7 @@ public class PlaygroundViewModel : BaseViewModel
         public bool DayAutoSetStyleBasedOnDayState { get; set; } = true;
         public int ForwardsNavigationAmount { get; set; } = 1;
         public int BackwardsNavigationAmount { get; set; } = -1;
+        public string TargetCultureCode { get; set; } = CultureInfo.CurrentCulture?.Name ?? CultureInfo.DefaultThreadCurrentCulture?.Name ?? CultureInfo.CurrentUICulture?.Name ?? CultureInfo.DefaultThreadCurrentUICulture?.Name ?? "en";
         public Color CalendarBackgroundColor { get; set; } = (Color)Application.Current.Resources["CalendarBackgroundColor"];
         public Color NavigationBackgroundColor { get; set; } = (Color)Application.Current.Resources["CalendarPrimaryColor"];
         public Color NavigationTextColor { get; set; } = (Color)Application.Current.Resources["CalendarPrimaryTextColor"];
@@ -89,6 +91,7 @@ public class PlaygroundViewModel : BaseViewModel
         public ICommand NavigateCalendarCommand { get; set; }
         public ICommand ChangeDateSelectionCommand { get; set; }
         public ICommand ChangeCalendarVisibilityCommand { get; set; }
+        public ICommand UpdateCurrentCultureCommand { get; set; }
         #endregion
 
         #region Constructors
@@ -119,6 +122,8 @@ public PlaygroundViewModel()
             NavigateCalendarCommand = new Command<int>(NavigateCalendar);
             ChangeDateSelectionCommand = new Command<DateTime>(ChangeDateSelection);
             ChangeCalendarVisibilityCommand = new Command<bool>(ChangeCalendarVisibility);
+            UpdateCurrentCultureCommand = new Command(UpdateCurrentCulture);
+            UpdateCurrentCulture();
         }
         #endregion
 
@@ -187,6 +192,29 @@ public void ChangeCalendarVisibility(bool isVisible)
         {
             CalendarIsVisible = isVisible;
         }
+        public async void UpdateCurrentCulture()
+        {
+            try
+            {
+                //Set DefaultThreadCurrentCulture because CurrentCulture gets automatically reset when changed.
+                CultureInfo.DefaultThreadCurrentCulture = new CultureInfo(TargetCultureCode);
+                CultureInfo.DefaultThreadCurrentUICulture = new CultureInfo(TargetCultureCode);
+
+                //This causes the binding converters (which use the current culture) to update.
+                //Day Names
+                var oldDayNamesOlder = Calendar.DayNamesOrder.ToList();
+                Calendar.DayNamesOrder.ReplaceRange(new List<DayOfWeek>() { DayOfWeek.Monday });
+                Calendar.DayNamesOrder.ReplaceRange(oldDayNamesOlder);
+
+                //NavigationView Title
+                NavigateCalendar(1);
+                NavigateCalendar(-1);
+            }
+            catch
+            {
+                await Shell.Current.DisplayAlert("Invalid Culture Code", "The specified culture code was invalid.", "OK");
+            }
+        }
         public async void ShowCustomDayNamesOrderDialog()
         {
             IEnumerable<DayOfWeek> newCustomDayNamesOrder = await PopupHelper.ShowConstructListDialogAsync(Calendar.CustomDayNamesOrder ?? new ObservableRangeCollection<DayOfWeek>(), Calendar.StartOfWeek.GetWeekAsFirst());
@@ -291,6 +319,7 @@ public async void ShowDayInvalidTextColorDialog()
         {
             DayInvalidTextColor = await PopupHelper.ShowColorDialogAsync(DayInvalidTextColor);
         }
+
         #endregion
     }
 }

XCalendarFormsSample/XCalendarFormsSample/Views/PlaygroundPage.xaml

@@ -471,6 +471,37 @@
                         </Frame>
                     </Grid>
 
+                    <Grid ColumnDefinitions="*, *, *">
+                        <Label
+                            Grid.Column="0"
+                            FontSize="{StaticResource SmallFontSize}"
+                            HorizontalTextAlignment="Center"
+                            Text="Culture*"
+                            VerticalTextAlignment="Center"/>
+
+                        <Grid
+                            Grid.Column="2"
+                            ColumnDefinitions="auto, auto"
+                            ColumnSpacing="5"
+                            HorizontalOptions="Center"
+                            VerticalOptions="Center">
+                            <Editor
+                                Grid.Column="0"
+                                Keyboard="Text"
+                                Text="{Binding TargetCultureCode}"
+                                VerticalOptions="Center"
+                                WidthRequest="75"/>
+
+                            <Button
+                                Grid.Column="1"
+                                BackgroundColor="{StaticResource PrimaryColor}"
+                                Command="{Binding UpdateCurrentCultureCommand}"
+                                Text="Update"
+                                TextColor="{StaticResource PrimaryTextColor}"
+                                VerticalOptions="Center"/>
+                        </Grid>
+                    </Grid>
+
                     <Label
                         BackgroundColor="{StaticResource PrimaryColor}"
                         HorizontalTextAlignment="Center"

XCalendarMauiSample/ViewModels/PlaygroundViewModel.cs

@@ -1,4 +1,5 @@
-using System.Windows.Input;
+using System.Globalization;
+using System.Windows.Input;
 using XCalendar.Core.Collections;
 using XCalendar.Core.Enums;
 using XCalendar.Core.Extensions;
@@ -42,6 +43,7 @@ public class PlaygroundViewModel : BaseViewModel
         public bool DayAutoSetStyleBasedOnDayState { get; set; } = true;
         public int ForwardsNavigationAmount { get; set; } = 1;
         public int BackwardsNavigationAmount { get; set; } = -1;
+        public string TargetCultureCode { get; set; } = CultureInfo.CurrentCulture?.Name ?? CultureInfo.DefaultThreadCurrentCulture?.Name ?? CultureInfo.CurrentUICulture?.Name ?? CultureInfo.DefaultThreadCurrentUICulture?.Name ?? "en";
         public Color CalendarBackgroundColor { get; set; } = (Color)Application.Current.Resources["CalendarBackgroundColor"];
         public Color NavigationBackgroundColor { get; set; } = (Color)Application.Current.Resources["CalendarPrimaryColor"];
         public Color NavigationTextColor { get; set; } = (Color)Application.Current.Resources["CalendarPrimaryTextColor"];
@@ -85,6 +87,7 @@ public class PlaygroundViewModel : BaseViewModel
         public ICommand NavigateCalendarCommand { get; set; }
         public ICommand ChangeDateSelectionCommand { get; set; }
         public ICommand ChangeCalendarVisibilityCommand { get; set; }
+        public ICommand UpdateCurrentCultureCommand { get; set; }
         #endregion
 
         #region Constructors
@@ -115,6 +118,8 @@ public PlaygroundViewModel()
             NavigateCalendarCommand = new Command<int>(NavigateCalendar);
             ChangeDateSelectionCommand = new Command<DateTime>(ChangeDateSelection);
             ChangeCalendarVisibilityCommand = new Command<bool>(ChangeCalendarVisibility);
+            UpdateCurrentCultureCommand = new Command(UpdateCurrentCulture);
+            UpdateCurrentCulture();
         }
         #endregion
 
@@ -183,6 +188,29 @@ public void ChangeCalendarVisibility(bool isVisible)
         {
             CalendarIsVisible = isVisible;
         }
+        public async void UpdateCurrentCulture()
+        {
+            try
+            {
+                //Set DefaultThreadCurrentCulture because CurrentCulture gets automatically reset when changed.
+                CultureInfo.DefaultThreadCurrentCulture = new CultureInfo(TargetCultureCode);
+                CultureInfo.DefaultThreadCurrentUICulture = new CultureInfo(TargetCultureCode);
+
+                //This causes the binding converters (which use the current culture) to update.
+                //Day Names
+                var oldDayNamesOlder = Calendar.DayNamesOrder.ToList();
+                Calendar.DayNamesOrder.ReplaceRange(new List<DayOfWeek>() { DayOfWeek.Monday });
+                Calendar.DayNamesOrder.ReplaceRange(oldDayNamesOlder);
+
+                //NavigationView Title
+                NavigateCalendar(1);
+                NavigateCalendar(-1);
+            }
+            catch
+            {
+                await Shell.Current.DisplayAlert("Invalid Culture Code", "The specified culture code was invalid.", "OK");
+            }
+        }
         public async void ShowCustomDayNamesOrderDialog()
         {
             IEnumerable<DayOfWeek> newCustomDayNamesOrder = await PopupHelper.ShowConstructListDialogPopupAsync(Calendar.CustomDayNamesOrder ?? new ObservableRangeCollection<DayOfWeek>(), Calendar.StartOfWeek.GetWeekAsFirst());

XCalendarMauiSample/Views/PlaygroundPage.xaml

@@ -471,6 +471,36 @@
                     </Border>
                 </Grid>
 
+                <Grid ColumnDefinitions="*, *">
+                    <Label
+                        Grid.Column="0"
+                        FontSize="{StaticResource SmallFontSize}"
+                        HorizontalTextAlignment="Center"
+                        Text="Culture*"
+                        VerticalTextAlignment="Center"/>
+
+                    <Grid
+                        Grid.Column="2"
+                        ColumnDefinitions="auto, auto"
+                        ColumnSpacing="5"
+                        HorizontalOptions="Center">
+                        <Editor
+                            Grid.Column="0"
+                            Keyboard="Text"
+                            Text="{Binding TargetCultureCode}"
+                            VerticalOptions="Center"
+                            WidthRequest="75"/>
+
+                        <Button
+                            Grid.Column="1"
+                            BackgroundColor="{StaticResource PrimaryColor}"
+                            Command="{Binding UpdateCurrentCultureCommand}"
+                            Text="Update"
+                            TextColor="{StaticResource PrimaryTextColor}"
+                            VerticalOptions="Center"/>
+                    </Grid>
+                </Grid>
+
                 <Label
                     BackgroundColor="{StaticResource PrimaryColor}"
                     HorizontalTextAlignment="Center"

XCalendarMauiSample/XCalendarMauiSample.csproj

@@ -34,6 +34,10 @@
 	  <EmbedAssembliesIntoApk>True</EmbedAssembliesIntoApk>
 	</PropertyGroup>
 
+	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-android|AnyCPU'">
+	  <EmbedAssembliesIntoApk>True</EmbedAssembliesIntoApk>
+	</PropertyGroup>
+
 	<ItemGroup>
 		<!-- App Icon -->
 		<MauiIcon Include="Resources\appicon.svg" ForegroundFile="Resources\appiconfg.svg" Color="#512BD4" />