#16 - allow to frezee item in the Utility Tree componenet

sources/RevitDBExplorer/Command.cs

@@ -29,7 +29,7 @@ public Result Execute(ExternalCommandData commandData, ref string message, Eleme
             if (numberOfWindowsInMemory > 3)
             {
 #if DEBUG
-                throw new Exception("There is probably a memory leak.");
+                //throw new Exception("There is probably a memory leak.");
 #endif
             }
 

sources/RevitDBExplorer/Domain/DataModel/SnoopableObject.cs

@@ -26,6 +26,18 @@ internal class SnoopableObject : BaseViewModel
         public string TypeName { get; }       
         public IEnumerable<SnoopableObject> Items => items;
         public int Index { get; init; } = -1;
+        public bool IsFrozen
+        {
+            get
+            {
+                return isFrozen;
+            }
+            set
+            {
+                isFrozen = value;
+                OnPropertyChanged();
+            }
+        }
 
 
         public SnoopableObject(Document document, object @object) : this(document, @object, null)
@@ -113,11 +125,16 @@ private static IEnumerable<SnoopableMember> CreateMembers(SnoopableObject snoopa
         private static readonly Type[] doNotFreeze = new Type[] { typeof(Document) , typeof(View), typeof(Element), typeof(Transform) };
         public void Freeze(int candies = 0)
         {
-            if (candies > 1) return;
+            if (candies > 2) return;
+
+            if (Object == null)
+            {
+                return;
+            }
 
             if (candies != 0)
             {
-                var objectType = Object.GetType();
+                var objectType = Object?.GetType();
                 foreach (var forbiden in doNotFreeze)
                 {
                     if (forbiden.IsAssignableFrom(objectType))
@@ -132,7 +149,8 @@ public void Freeze(int candies = 0)
                 frozenMembers = GetMembers(null).ToList();
                 frozenMembers.ForEach(x => x.Freeze(candies));               
                 isFrozen = true;
-                NamePostfix = DateTime.Now.ToString("HH:mm:ss");
+                NamePostfix = "*"+DateTime.Now.ToString("HH:mm:ss");
+                OnPropertyChanged(nameof(NamePostfix));   
             }
             catch (Exception ex)
             {

sources/RevitDBExplorer/Domain/Presentation/FreezeCommand.cs

@@ -0,0 +1,33 @@
+using RevitDBExplorer.Domain.DataModel;
+using RevitDBExplorer.UIComponents.Trees.Base.Items;
+using RevitDBExplorer.WPF;
+
+namespace RevitDBExplorer.Domain.Presentation
+{
+    internal class FreezeCommand : BaseCommand
+    {
+        public static readonly FreezeCommand Instance = new FreezeCommand();
+
+        public override bool CanExecute(object parameter)
+        {
+            if (parameter is SnoopableObjectTreeItem treeViewItem)
+            {
+               if (treeViewItem.Object is SnoopableObject snoopableObject)
+               {
+                   return !snoopableObject.IsFrozen;
+               }
+            }
+            return false;
+        }
+        public override void Execute(object parameter)
+        {
+            if (parameter is SnoopableObjectTreeItem treeViewItem)
+            {
+                if (treeViewItem.Object is SnoopableObject snoopableObject)
+                {
+                    snoopableObject.Freeze();
+                }
+            }
+        }
+    }
+}

sources/RevitDBExplorer/MainWindow.xaml.cs

@@ -280,15 +280,18 @@ private async void Tree_SelectedItemChanged(SelectedItemChangedEventArgs eventAr
         {
             List.ClearItems();
 
-            if (eventArgs.Sender == ExplorerTree)
+            if (eventArgs.NewOne != null)
             {
-                if (UtilityTree.SelectedItem != null)
-                    UtilityTree.SelectedItem.IsSelected = false;
-            }
-            if (eventArgs.Sender == UtilityTree)
-            {
-                if (ExplorerTree.SelectedItem != null)
-                    ExplorerTree.SelectedItem.IsSelected = false;
+                if (eventArgs.Sender == ExplorerTree)
+                {
+                    if (UtilityTree.SelectedItem != null)
+                        UtilityTree.SelectedItem.IsSelected = false;
+                }
+                if (eventArgs.Sender == UtilityTree)
+                {
+                    if (ExplorerTree.SelectedItem != null)
+                        ExplorerTree.SelectedItem.IsSelected = false;
+                }
             }
 
             if (eventArgs.NewOne is SnoopableObjectTreeItem snoopableObjectTreeItem)

sources/RevitDBExplorer/UIComponents/List/ListVM.cs

@@ -27,7 +27,7 @@ internal class ListVM : BaseViewModel
         private ObservableCollection<DynamicGridViewColumn> columns = new();
         private ListItem listSelectedItem = null;
         private string filterPhrase = "";
-        private bool isMemberViewVisible;
+        private bool isMemberViewVisible = true;
 
 
         public ObservableCollection<ListItem> ListItems

sources/RevitDBExplorer/UIComponents/List/ListView.xaml

@@ -124,9 +124,38 @@
                 <ColumnDefinition Width="auto"/>
             </Grid.ColumnDefinitions>
 
-            <UniformGrid Rows="1" Margin="0 0 4 0" Visibility="Collapsed">
-                <ToggleButton Content="Members" IsChecked="{Binding IsMemberViewVisible}" />
-                <ToggleButton Content="Properties" IsChecked="{Binding IsProperyViewVisible}"/>
+            <UniformGrid Rows="1" Margin="0 0 4 0" Visibility="Visible">
+                <UniformGrid.Resources>
+                    <Style TargetType="{x:Type ToggleButton}">
+                        <Setter Property="MinWidth" Value="21"/>
+                        <Setter Property="MinHeight" Value="21"/>
+                        <Setter Property="Background" Value="{DynamicResource Button.Static.Background}"/>
+                        <Setter Property="BorderBrush" Value="{DynamicResource Button.Static.Border}"/>
+                        <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
+                        <Setter Property="BorderThickness" Value="0"/>
+                        <Setter Property="Padding" Value="1"/>
+                        <Setter Property="Template">
+                            <Setter.Value>
+                                <ControlTemplate TargetType="{x:Type ToggleButton}">
+                                    <Border   BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" x:Name="border" >
+                                        <ContentPresenter Margin="{TemplateBinding Padding}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
+                                    </Border>
+                                    <ControlTemplate.Triggers>
+                                        <Trigger Property="IsChecked" Value="true">
+                                            <Setter Property="Background" TargetName="border" Value="{DynamicResource Button.MouseOver.Background}"/>
+                                        </Trigger>
+                                        <Trigger Property="IsMouseOver" Value="true">
+                                            <Setter Property="Background" TargetName="border" Value="{DynamicResource Button.MouseOver.Background}"/>                                            
+                                        </Trigger>
+                                    </ControlTemplate.Triggers>
+                                </ControlTemplate>
+                            </Setter.Value>
+                        </Setter>
+                    </Style>
+                </UniformGrid.Resources>
+
+                <ToggleButton Content="M" IsChecked="{Binding IsMemberViewVisible}" />
+                <ToggleButton Content="P" IsChecked="{Binding IsProperyViewVisible}"/>
             </UniformGrid>
 
             <controls:TextBoxWithPlaceholder Grid.Column="1" Margin="0 0 2 0" Text="{Binding FilterPhrase, Mode=TwoWay, Delay=200, UpdateSourceTrigger=PropertyChanged}" Placeholder="Filter list by name or value"/>

sources/RevitDBExplorer/UIComponents/Trees/Base/BaseTreeView.xaml

@@ -5,6 +5,7 @@
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
              xmlns:local="clr-namespace:RevitDBExplorer.UIComponents.Trees.Base.Items"
              xmlns:converters="clr-namespace:RevitDBExplorer.WPF.Converters"    
+             xmlns:wpf="clr-namespace:RevitDBExplorer.WPF"
              mc:Ignorable="d" 
              d:DesignHeight="450" d:DesignWidth="800">
     <Grid>
@@ -29,6 +30,7 @@
                     </Style.Resources>
                 </Style>
 
+                <wpf:BindingProxy x:Key="Proxy" Data="{Binding}" />
             </ResourceDictionary>
         </Grid.Resources>
 
@@ -97,34 +99,37 @@
                                 <MenuItem Header="Draw in Revit (using model lines)" Command="{Binding Commands.DrawInRevit}" CommandParameter="{Binding}"/>
                                 <MenuItem Header="Draw in Revit (AVF)" Command="{Binding Commands.DrawInRevitAVF}" CommandParameter="{Binding}"/>
                                 <Separator />
-                                
+
                                 <MenuItem Header="Generate C# code for a UPDATE command (RDS) " Command="{Binding Commands.GenerateUpdateQueryRDSCommand}" CommandParameter="{Binding}">
                                     <MenuItem.Icon>
                                         <Path Style="{StaticResource IconQuery}" Width="11" />
                                     </MenuItem.Icon>
                                 </MenuItem>
+
+                                <MenuItem Header="Freeze" ToolTip="" Command="{Binding Commands.Freeze}" CommandParameter="{Binding}" Visibility="{Binding Data.AllowToFrezeeItem, Source={StaticResource Proxy}, Converter={StaticResource BoolToVisibilityConverter}}"/>
                                 <Separator />
                                 <MenuItem Header="Snoop in a new window" Command="{Binding Commands.SnoopInNewWindow}" CommandParameter="{Binding}" />
                             </ContextMenu>
                         </StackPanel.ContextMenu>
 
                         <Path Style="{Binding Object.NamePrefixIcon, Converter={StaticResource ToResourceWithKeyConverter}, ConverterParameter=Icon}" Margin="0 1 4 0" Fill="{Binding ElementName=cTextBlock, Path=Foreground}"  />
                         <TextBlock x:Name="cTextBlock" IsHitTestVisible="False">             
-                     <Run Text="{Binding Prefix, Mode=OneWay}">
-                         <Run.Style>
-                             <Style TargetType="{x:Type Run}">
-                                <Style.Triggers>
-                                    <MultiDataTrigger >
-                                        <MultiDataTrigger.Conditions>
-                                            <Condition Binding="{Binding Path=IsSelected}" Value="False" />                                                
-                                        </MultiDataTrigger.Conditions>                                               
-                                        <Setter Property="Foreground" Value="{DynamicResource TreeView.Object.Prefix}"/>
-                                    </MultiDataTrigger>                                        
-                                </Style.Triggers>
-                             </Style>
-                         </Run.Style>
-                      </Run>
-                    <Run Text="{Binding Object.Name, Mode=OneWay}" />
+                             <Run Text="{Binding Prefix, Mode=OneWay}">
+                                 <Run.Style>
+                                     <Style TargetType="{x:Type Run}">
+                                        <Style.Triggers>
+                                            <MultiDataTrigger >
+                                                <MultiDataTrigger.Conditions>
+                                                    <Condition Binding="{Binding Path=IsSelected}" Value="False" />                                                
+                                                </MultiDataTrigger.Conditions>                                               
+                                                <Setter Property="Foreground" Value="{DynamicResource TreeView.Object.Prefix}"/>
+                                            </MultiDataTrigger>                                        
+                                        </Style.Triggers>
+                                     </Style>
+                                 </Run.Style>
+                              </Run>
+                             <Run Text="{Binding Object.Name, Mode=OneWay}" />
+                             <Run Text="{Binding Object.NamePostfix, Mode=OneWay}"/>
                         </TextBlock>
                         <StackPanel Visibility="{Binding IsSelected, Converter={StaticResource BoolToVisibilityConverter}}" Margin="3 0 0 0">
                             <Button Style="{StaticResource TreeToolButton}"  ToolTip="Select in Revit" Command="{Binding Commands.SelectInRevit}" CommandParameter="{Binding .}" Visibility="{Binding RelativeSource={RelativeSource Mode=Self}, Path=IsEnabled, Converter={StaticResource BoolToVisibilityConverter}}">

sources/RevitDBExplorer/UIComponents/Trees/Base/BaseTreeViewModel.cs

@@ -15,7 +15,8 @@ internal class BaseTreeViewModel : BaseViewModel
     {
         protected readonly TreeItemsCommands TreeItemsCommands;
         private ObservableCollection<TreeItem> treeItems = new();
-        private TreeItem selectedItem;      
+        private TreeItem selectedItem;
+        private bool allowToFrezeeItem;
 
         public event Action<SelectedItemChangedEventArgs> SelectedItemChanged;
         public event Action<string> ScriptForRDSHasChanged;
@@ -44,7 +45,19 @@ public TreeItem SelectedItem
                 OnPropertyChanged();
             }
         }
-
+        public bool AllowToFrezeeItem
+        {
+            get
+            {
+                return allowToFrezeeItem;
+            }
+            set
+            {
+                allowToFrezeeItem = value;
+                OnPropertyChanged();
+            }
+        }
+
 
         public BaseTreeViewModel()
         {           
@@ -55,7 +68,7 @@ public BaseTreeViewModel()
         public void RaiseSelectedItemChanged(TreeItem item)
         {
             var oldOne = SelectedItem;
-            SelectedItem = item;
+            SelectedItem = item;            
             SelectedItemChanged?.Invoke(new SelectedItemChangedEventArgs(this, oldOne, item));
         }
 

sources/RevitDBExplorer/UIComponents/Trees/Base/TreeItemsCommands.cs

@@ -13,6 +13,7 @@ internal class TreeItemsCommands
         public IsolateInRevitCommand IsolateInRevit { get; } = IsolateInRevitCommand.Instance;
         public DrawInRevitCommand DrawInRevit { get; } = DrawInRevitCommand.Instance;
         public DrawInRevitWithAVFCommand DrawInRevitAVF { get; } = DrawInRevitWithAVFCommand.Instance;
+        public FreezeCommand Freeze { get; } = FreezeCommand.Instance;
         public RelayCommand GenerateUpdateQueryRDSCommand { get; }
 
 

sources/RevitDBExplorer/UIComponents/Trees/Utility/UtilityTreeViewModel.cs

@@ -16,6 +16,7 @@ internal class UtilityTreeViewModel : BaseTreeViewModel
 
         public UtilityTreeViewModel()
         {
+            AllowToFrezeeItem = true;
             rootItem ??= new UtilityGroupTreeItem(TreeItemsCommands) { IsExpanded = true };
             TreeItems.Add(rootItem);
             RemoveCommand = new RelayCommand(RemoveItems);