Torch/Torch.Server/Views/EntitiesControl.xaml

<UserControl x:Class="Torch.Server.Views.EntitiesControl"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:entities="clr-namespace:Torch.Server.ViewModels.Entities"
             xmlns:blocks="clr-namespace:Torch.Server.ViewModels.Blocks"
             xmlns:converters="clr-namespace:Torch.Server.Views.Converters"
             xmlns:viewModels="clr-namespace:Torch.Server.ViewModels"
             mc:Ignorable="d">
    <UserControl.DataContext>
        <viewModels:EntityTreeViewModel />
    </UserControl.DataContext>
    <UserControl.Resources>
        <converters:DefinitionToIdConverter x:Key="DefinitionConverter" />
    </UserControl.Resources>
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition />
            <ColumnDefinition MinWidth="300" Width="Auto" />
        </Grid.ColumnDefinitions>
        <Grid Grid.Column="0">
            <Grid.RowDefinitions>
                <RowDefinition />
                <RowDefinition Height="Auto" />
            </Grid.RowDefinitions>
            <TreeView Grid.Row="0" Margin="3" DockPanel.Dock="Top" SelectedItemChanged="TreeView_OnSelectedItemChanged"
                      TreeViewItem.Expanded="TreeViewItem_OnExpanded">
                <TreeView.Resources>
                    <HierarchicalDataTemplate DataType="{x:Type entities:GridViewModel}"
                                              ItemsSource="{Binding Path=Blocks}">
                        <TextBlock Text="{Binding DescriptiveName}" />
                        <HierarchicalDataTemplate.ItemTemplate>
                            <HierarchicalDataTemplate ItemsSource="{Binding Value.Values}">
                                <TextBlock>
                                    <Run Text="{Binding Path=Key, Converter={StaticResource DefinitionConverter}, Mode=OneWay}" />
                                    <Run Text="{Binding Path=Value.Count, StringFormat=' ({0} blocks)', Mode=OneWay}" />
                                </TextBlock>
                                <HierarchicalDataTemplate.ItemTemplate>
                                    <DataTemplate DataType="{x:Type blocks:BlockViewModel}">
                                        <TextBlock Text="{Binding Path=Name}" />
                                    </DataTemplate>
                                </HierarchicalDataTemplate.ItemTemplate>
                            </HierarchicalDataTemplate>
                        </HierarchicalDataTemplate.ItemTemplate>
                    </HierarchicalDataTemplate>
                    <HierarchicalDataTemplate DataType="{x:Type entities:VoxelMapViewModel}"
                                              ItemsSource="{Binding AttachedGrids}">
                        <TextBlock Text="{Binding Name}" />
                    </HierarchicalDataTemplate>
                </TreeView.Resources>
                <TreeViewItem ItemsSource="{Binding Path=Grids.Values}">
                    <TreeViewItem.Header>
                        <TextBlock Text="{Binding Grids.Count, StringFormat=Grids ({0})}" />
                    </TreeViewItem.Header>
                </TreeViewItem>
                <TreeViewItem ItemsSource="{Binding Characters}">
                    <TreeViewItem.Header>
                        <TextBlock Text="{Binding Characters.Count, StringFormat=Characters ({0})}" />
                    </TreeViewItem.Header>
                    <TreeViewItem.ItemTemplate>
                        <DataTemplate>
                            <TextBlock Text="{Binding Name}" />
                        </DataTemplate>
                    </TreeViewItem.ItemTemplate>
                </TreeViewItem>
                <TreeViewItem ItemsSource="{Binding VoxelMaps.Values}">
                    <TreeViewItem.Header>
                        <TextBlock Text="{Binding VoxelMaps.Count, StringFormat=Voxel Maps ({0})}" />
                    </TreeViewItem.Header>
                    <TreeViewItem.ItemTemplate>
                        <DataTemplate>
                            <TextBlock Text="{Binding Name}" />
                        </DataTemplate>
                    </TreeViewItem.ItemTemplate>
                </TreeViewItem>
                <TreeViewItem ItemsSource="{Binding FloatingObjects.Values}">
                    <TreeViewItem.Header>
                        <TextBlock Text="{Binding FloatingObjects.Count, StringFormat=Floating Objects ({0})}" />
                    </TreeViewItem.Header>
                    <TreeViewItem.ItemTemplate>
                        <DataTemplate>
                            <TextBlock Text="{Binding Name}" />
                        </DataTemplate>
                    </TreeViewItem.ItemTemplate>
                </TreeViewItem>
            </TreeView>
            <StackPanel Grid.Row="1" DockPanel.Dock="Bottom">
                <Button Content="Delete" Click="Delete_OnClick" IsEnabled="{Binding CurrentEntity.CanDelete}"
                        Margin="3" />
                <Button Content="Stop" Click="Stop_OnClick" IsEnabled="{Binding CurrentEntity.CanStop}" Margin="3" />
            </StackPanel>
        </Grid>
        <Frame Grid.Column="1" x:Name="EditorFrame" Margin="3" NavigationUIVisibility="Hidden" />
    </Grid>
</UserControl>