Implements #2

Author: zspitz

Package/Package.csproj

@@ -35,8 +35,8 @@
   <ItemGroup>
     <PackageReference Include="NodaTime" Version="3.0.0" />
     <PackageReference Include="OneOf" Version="2.1.155" />
-    <PackageReference Include="ZSpitz.Util" Version="0.0.39" />
-    <PackageReference Include="ZSpitz.Util.Wpf" Version="0.0.39" />
+    <PackageReference Include="ZSpitz.Util" Version="0.0.40" />
+    <PackageReference Include="ZSpitz.Util.Wpf" Version="0.0.40" />
   </ItemGroup>
 
 </Project>

UI/ViewModels/ConfigVM.cs

@@ -4,6 +4,7 @@
 using System.Linq;
 using ZSpitz.Util;
 using static NodaTime.DateTimeZoneProviders;
+using System;
 
 namespace DateTimeVisualizer.UI {
     public class ConfigVM : ViewModelBase<Config> {
@@ -44,5 +45,22 @@ public ConfigVM(Config model) : base(model) {
 
         public ZoneNodeVM[] AvailableBclZones { get; }
         public ZoneNodeVM[] AvailableTzdbZones { get; }
+
+        private string _textFilter = "";
+        public string TextFilter { 
+            get => _textFilter; 
+            set {
+                if (_textFilter == value) { return; }
+                NotifyChanged(ref _textFilter, value);
+
+                Action<ZoneNodeVM> action =
+                    _textFilter.IsNullOrWhitespace() ?
+                        (Action<ZoneNodeVM>)(x => x.ResetFilter()) :
+                        x => x.ApplyFilter(data => data.Match(s => s, zone => zone.Id).Contains(_textFilter, StringComparison.OrdinalIgnoreCase));
+
+                AvailableBclZones.ForEach(action);
+                AvailableTzdbZones.ForEach(action);
+            }
+        }
     }
 }

UI/Views/ConfigView.xaml

@@ -4,34 +4,40 @@
         xmlns:util="clr-namespace:ZSpitz.Util.Wpf;assembly=ZSpitz.Util.Wpf"
         xmlns:nt="clr-namespace:NodaTime;assembly=NodaTime"
         xmlns:my="clr-namespace:DateTimeVisualizer"
-        Orientation="Vertical" RowCount="3">
+        Orientation="Vertical" RowCount="4" Columns="Auto;Auto">
     <util:AutoGrid.Resources>
         <my:FilterStateConverter x:Key="FilterStateConverter" />
     </util:AutoGrid.Resources>
 
+    <DockPanel Grid.ColumnSpan="2" Margin="0,0,0,12">
+        <TextBlock Text="Text filter" Margin="0,0,3,0" />
+        <TextBox Text="{Binding TextFilter,UpdateSourceTrigger=PropertyChanged}" />
+    </DockPanel>
+
     <TextBlock Text="TZDB zones:" Margin="0,0,12,3" />
-    <TreeView MaxHeight="300" ItemsSource="{Binding AvailableTzdbZones}">
+    <TreeView MaxHeight="350" ItemsSource="{Binding AvailableTzdbZones}" Margin="0,0,12,3">
         <TreeView.ItemContainerStyle>
             <Style TargetType="TreeViewItem">
                 <Setter Property="Visibility" Value="{Binding FilterState, Converter={StaticResource FilterStateConverter}}" />
             </Style>
         </TreeView.ItemContainerStyle>
         <TreeView.ItemTemplate>
             <HierarchicalDataTemplate ItemsSource="{Binding Children}">
-                <StackPanel Orientation="Horizontal" Visibility="{Binding FilterState, Converter={StaticResource FilterStateConverter}}">
+                <StackPanel Orientation="Horizontal">
                     <CheckBox Margin="2" IsChecked="{Binding IsSelected}" />
                     <TextBlock Text="{Binding Text}" Foreground="{Binding FilterState, Converter={StaticResource FilterStateConverter}}" FontWeight="{Binding FilterState, Converter={StaticResource FilterStateConverter}}" />
                 </StackPanel>
             </HierarchicalDataTemplate>
         </TreeView.ItemTemplate>
     </TreeView>
-    <TextBlock Text="{Binding VersionId, Source={x:Static nt:DateTimeZoneProviders.Tzdb}}" />
+    <TextBlock Text="{Binding VersionId, Source={x:Static nt:DateTimeZoneProviders.Tzdb}}" Margin="0,0,12,0" />
 
     <TextBlock Text="BCL zones:" Margin="0,0,0,3" />
-    <ListBox SelectionMode="Multiple" MaxHeight="300" SelectedValuePath="Text" ItemsSource="{Binding AvailableBclZones}" Margin="0,0,0,3">
+    <ListBox SelectionMode="Multiple" MaxHeight="350" SelectedValuePath="Text" ItemsSource="{Binding AvailableBclZones}" Margin="0,0,0,3">
         <ListBox.ItemContainerStyle>
             <Style TargetType="ListBoxItem">
                 <Setter Property="IsSelected" Value="{Binding IsSelected}" />
+                <Setter Property="Visibility" Value="{Binding FilterState, Converter={StaticResource FilterStateConverter}}" />
             </Style>
         </ListBox.ItemContainerStyle>
         <ListBox.ItemTemplate>

Visualizer/Visualizer.csproj

@@ -19,8 +19,8 @@
     </Reference>
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="OneOf" Version="2.1.155" />
-    <PackageReference Include="ZSpitz.Util" Version="0.0.39" />
-    <PackageReference Include="ZSpitz.Util.Wpf" Version="0.0.39" />
+    <PackageReference Include="ZSpitz.Util" Version="0.0.40" />
+    <PackageReference Include="ZSpitz.Util.Wpf" Version="0.0.40" />
     <PackageReference Include="Octokit" Version="0.48.0" />
     <PackageReference Include="NodaTime" Version="3.0.0" />
     <ProjectReference Include="..\Debuggee\Debuggee.csproj" />