Исправление кнопок в просмотрщике

Pf2eDataScrapper/WPF/EntityViewer/Component/EntityListControl.xaml

@@ -27,7 +27,7 @@
             <Button
                 Width="25"
                 Margin="0,0,3,0"
-                Click="FirstButton_OnClick"
+                Command="{Binding FirstPageCommand}"
                 Content="&lt;&lt;"
                 DockPanel.Dock="Left"
                 IsEnabled="{Binding HasPrevious}" />
@@ -35,7 +35,7 @@
             <Button
                 Width="25"
                 Margin="0,0,3,0"
-                Click="PreviousButton_OnClick"
+                Command="{Binding PreviousPageCommand}"
                 Content="&lt;"
                 DockPanel.Dock="Left"
                 IsEnabled="{Binding HasPrevious}" />
@@ -43,7 +43,7 @@
             <Button
                 Width="25"
                 Margin="3,0,0,0"
-                Click="LastButton_OnClick"
+                Command="{Binding LastPageCommand}"
                 Content="&gt;&gt;"
                 DockPanel.Dock="Right"
                 IsEnabled="{Binding HasNext}" />
@@ -51,7 +51,7 @@
             <Button
                 Width="25"
                 Margin="3,0,0,0"
-                Click="NextButton_OnClick"
+                Command="{Binding NextPageCommand}"
                 Content="&gt;"
                 DockPanel.Dock="Right"
                 IsEnabled="{Binding HasNext}" />

Pf2eDataScrapper/WPF/EntityViewer/Component/EntityListControl.xaml.cs

@@ -8,16 +8,6 @@ namespace Pf2eDataScrapper.WPF.EntityViewer.Component;
 /// </summary>
 internal partial class EntityListControl : System.Windows.Controls.UserControl
 {
-    public EntityListViewModel? ViewModel
-    {
-        get => _viewModel;
-        set
-        {
-            _viewModel = value;
-            DataContext = ViewModel;
-        }
-    }
-
     private EntityListViewModel? _viewModel;
 
     public EntityListControl()
@@ -29,22 +19,22 @@ internal partial class EntityListControl : System.Windows.Controls.UserControl
 
     private void FirstButton_OnClick(object sender, RoutedEventArgs e)
     {
-        ViewModel?.FirstPage();
+        //    DataContext?.FirstPage();
     }
 
     private void PreviousButton_OnClick(object sender, RoutedEventArgs e)
     {
-        ViewModel?.PreviousPage();
+        //ViewModel?.PreviousPage();
     }
 
     private void NextButton_OnClick(object sender, RoutedEventArgs e)
     {
-        ViewModel?.NextPage();
+        //ViewModel?.NextPage();
     }
 
     private void LastButton_OnClick(object sender, RoutedEventArgs e)
     {
-        ViewModel?.LastPage();
+        //ViewModel?.LastPage();
     }
 
     private void TextBox_PreviewTextInput(

Pf2eDataScrapper/WPF/EntityViewer/EntityViewStructure/StructureRow.cs

@@ -54,8 +54,8 @@ internal class StructureRow : INotifyPropertyChanged
     /// </summary>
     public string ButtonIcon =>
         HasButton && !((StructureFieldComplex)Field).Collapsed
-            ? IconChar.PlusSquare.ToChar()
-            : IconChar.MinusSquare.ToChar();
+            ? IconChar.MinusSquare.ToChar()
+            : IconChar.PlusSquare.ToChar();
 
     /// <summary>
     /// Глубина отображения поля.

Pf2eDataScrapper/WPF/EntityViewer/ViewModel/EntityListViewModel.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
 using System.Threading;
-using AngleSharp.Browser;
 using LinqToDB.DataProvider.Access;
 using Pf2eDataScrapper.WPF.EntityViewer.Stores;
 using Pf2eModel;
@@ -129,13 +128,41 @@ internal class EntityListViewModel : ViewModelBase
 
     #region "Методы кнопок"
 
-    public void FirstPage() => Page = 1;
+    private PageNavigationCommand? _firstPageCommand;
+    public PageNavigationCommand FirstPageCommand
+    {
+        get
+        {
+            return _firstPageCommand ??= new PageNavigationCommand(() => { Page = 1; });
+        }
+    }
 
-    public void PreviousPage() => Page--;
+    private PageNavigationCommand? _previousPageCommand;
+    public PageNavigationCommand PreviousPageCommand
+    {
+        get
+        {
+            return _previousPageCommand ??= new PageNavigationCommand(() => { Page--; });
+        }
+    }
 
-    public void NextPage() => Page++;
+    private PageNavigationCommand? _nextPageCommand;
+    public PageNavigationCommand NextPageCommand
+    {
+        get
+        {
+            return _nextPageCommand ??= new PageNavigationCommand(() => { Page++; });
+        }
+    }
 
-    public void LastPage() => Page = PageCount;
+    private PageNavigationCommand? _lastPageCommand;
+    public PageNavigationCommand LastPageCommand
+    {
+        get
+        {
+            return _lastPageCommand ??= new PageNavigationCommand(() => { Page = PageCount; });
+        }
+    }
 
     public bool HasPrevious => Page != 1;
 
@@ -167,3 +194,20 @@ internal class EntityListViewModel : ViewModelBase
 
     #endregion
 }
+
+public class PageNavigationCommand(Action action) : System.Windows.Input.ICommand
+{
+    public Action Action { get; } = action;
+
+    public event EventHandler? CanExecuteChanged;
+
+    public bool CanExecute(object? parameter)
+    {
+        return true;
+    }
+
+    public void Execute(object? parameter)
+    {
+        Action.Invoke();
+    }
+}