private void RadioBtn_Click()

in XamlControlsGallery/ControlPages/ItemsRepeaterPage.xaml.cs [161:219]

• 56 lines of code
• 6 McCabe index (conditional complexity)

        private void RadioBtn_Click(object sender, SelectionChangedEventArgs e)
        {
            string itemTemplateKey = string.Empty;
            var selected = (sender as Microsoft.UI.Xaml.Controls.RadioButtons).SelectedItem;
            if(selected == null)
            {
                // No point in continuing if selected element is null
                return;
            }
            var layoutKey = ((FrameworkElement)selected).Tag as string;

            if (layoutKey.Equals(nameof(this.VerticalStackLayout))) // we used x:Name in the resources which both acts as the x:Key value and creates a member field by the same name
            {
                layout.Value = layoutKey;
                itemTemplateKey = "HorizontalBarTemplate";

                repeater.MaxWidth = MaxLength + 12;

                SampleCodeLayout.Value = @"<muxc:StackLayout x:Name=""VerticalStackLayout"" Orientation=""Vertical"" Spacing=""8""/>";
                SampleCodeDT.Value = @"<DataTemplate x:Key=""HorizontalBarTemplate"" x:DataType=""l:Bar"">
    <Border Background=""{ThemeResource SystemChromeLowColor}"" Width=""{x:Bind MaxLength}"" >
        <Rectangle Fill=""{ThemeResource SystemAccentColor}"" Width=""{x:Bind Length}""
                   Height=""24"" HorizontalAlignment=""Left""/> 
    </Border>
</DataTemplate>";
            }
            else if (layoutKey.Equals(nameof(this.HorizontalStackLayout)))
            {
                layout.Value = layoutKey;
                itemTemplateKey = "VerticalBarTemplate";
                repeater.MaxWidth = 6000;
                SampleCodeLayout.Value = @"<muxc:StackLayout x:Name=""HorizontalStackLayout"" Orientation=""Horizontal"" Spacing=""8""/> ";
                SampleCodeDT.Value = @"<DataTemplate x:Key=""VerticalBarTemplate"" x:DataType=""l:Bar"">
    <Border Background=""{ThemeResource SystemChromeLowColor}"" Height=""{x:Bind MaxHeight}"">
        <Rectangle Fill=""{ThemeResource SystemAccentColor}"" Height=""{x:Bind Height}"" 
                   Width=""48"" VerticalAlignment=""Top""/>
    </Border>
</DataTemplate>";
            }
            else if (layoutKey.Equals(nameof(this.UniformGridLayout)))
            {
                layout.Value = layoutKey;
                itemTemplateKey = "CircularTemplate";
                repeater.MaxWidth = 540;
                SampleCodeLayout.Value = @"<muxc:UniformGridLayout x:Name=""UniformGridLayout"" MinRowSpacing=""8"" MinColumnSpacing=""8""/>";
                SampleCodeDT.Value = @"<DataTemplate x:Key=""CircularTemplate"" x:DataType=""l:Bar"">
    <Grid>
        <Ellipse Fill=""{ThemeResource SystemChromeLowColor}"" Height=""{x:Bind MaxDiameter}"" 
                 Width=""{x:Bind MaxDiameter}"" VerticalAlignment=""Center"" HorizontalAlignment=""Center""/>
        <Ellipse Fill=""{ThemeResource SystemAccentColor}"" Height=""{x:Bind Diameter}"" 
                 Width=""{x:Bind Diameter}"" VerticalAlignment=""Center"" HorizontalAlignment=""Center""/>
    </Grid>
</DataTemplate>";
            }
            repeater.Layout = Resources[layoutKey] as Microsoft.UI.Xaml.Controls.VirtualizingLayout;
            repeater.ItemTemplate = Resources[itemTemplateKey] as DataTemplate;
            repeater.ItemsSource = BarItems;
            elementGenerator.Value = itemTemplateKey;
        }