StabilityMatrix/StabilityMatrix.Avalonia/Controls/StackExpander.axaml

<Styles xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:controls="using:StabilityMatrix.Avalonia.Controls"
        xmlns:mocks="clr-namespace:StabilityMatrix.Avalonia.DesignData"
        xmlns:vmInference="clr-namespace:StabilityMatrix.Avalonia.ViewModels.Inference"
        xmlns:local="clr-namespace:StabilityMatrix.Avalonia"
        xmlns:fluentIcons="clr-namespace:FluentIcons.FluentAvalonia;assembly=FluentIcons.FluentAvalonia"
        x:DataType="vmInference:StackExpanderViewModel">
    
    <Design.PreviewWith>
        <Grid Width="500" Height="800">
            <StackPanel>
                <controls:StackExpander
                    DataContext="{x:Static mocks:DesignData.StackExpanderViewModel}"/>
            </StackPanel>
        </Grid>
    </Design.PreviewWith>
    
    <Style Selector="controls|StackExpander">
        <!-- Set Defaults -->
        <Setter Property="HorizontalAlignment" Value="Stretch"/>
        <Setter Property="Template">
            <ControlTemplate>
                <Expander
                    VerticalContentAlignment="Top"
                    HorizontalAlignment="{TemplateBinding HorizontalAlignment}"
                    HorizontalContentAlignment="Stretch"
                    VerticalAlignment="{TemplateBinding VerticalAlignment}">
                    
                    <Expander.Styles>
                        <Style Selector="Expander /template/ ToggleButton#PART_toggle">
                            <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
                        </Style>
                    </Expander.Styles>
                    
                    <Expander.Header>
                        <Grid ColumnDefinitions="Auto,Auto,*,Auto">
                            <ToggleSwitch
                                Margin="2,0,0,2"
                                IsChecked="{Binding IsEnabled}"
                                VerticalContentAlignment="Center"
                                OnContent="" 
                                OffContent=""/>
                            <TextBlock
                                Grid.Column="1"
                                VerticalAlignment="Center"
                                Text="{Binding TitleExtra}"
                                IsVisible="{Binding TitleExtra, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"/>
                            <TextBlock 
                                Grid.Column="2"
                                VerticalAlignment="Center"
                                Text="{Binding Title}"/>
                            <Button 
                                IsVisible="{Binding IsEditEnabled}"
                                Command="{Binding RemoveFromParentListCommand}"
                                Classes="transparent-red"
                                Grid.Column="3" 
                                Padding="10,4"
                                HorizontalAlignment="Right">
                                <fluentIcons:SymbolIcon Symbol="Delete" FontSize="16" />
                            </Button>
                        </Grid>
                    </Expander.Header>
                    
                    <Panel>
                        <ItemsControl 
                            VerticalAlignment="Top"
                            ItemsSource="{Binding Cards}">
                        
                            <ItemsControl.Styles>
                                <Style Selector="controls|Card">
                                    <Setter Property="IsCardVisualsEnabled" Value="False"/>
                                </Style>
                            </ItemsControl.Styles>
                        
                            <ItemsControl.DataTemplates>
                                <local:ViewLocator/>
                            </ItemsControl.DataTemplates>
                        
                            <ItemsControl.ItemsPanel>
                                <ItemsPanelTemplate>
                                    <StackPanel 
                                        x:Name="PART_ItemsPanel"
                                        VerticalAlignment="Top"
                                        Spacing="{TemplateBinding Spacing}" />
                                </ItemsPanelTemplate>
                            </ItemsControl.ItemsPanel>
                        </ItemsControl>
                    </Panel>

                    
                </Expander>
            </ControlTemplate>
        </Setter>
    </Style>
</Styles>