first commit

2026-09-03 04:45:36 +03:00
commit d5f52cc3d3
1038 changed files with 169579 additions and 0 deletions
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+using System;
+using System.Windows;
+using System.Windows.Interactivity;
+using ICSharpCode.AvalonEdit;
+
+namespace ClassicAssist.UI.Misc
+{
+    public sealed class AvalonEditBehaviour : Behavior<TextEditor>
+    {
+        public static readonly DependencyProperty TextBindingProperty = DependencyProperty.Register( "TextBinding",
+            typeof( string ), typeof( AvalonEditBehaviour ),
+            new FrameworkPropertyMetadata( default( string ), FrameworkPropertyMetadataOptions.BindsTwoWayByDefault,
+                PropertyChangedCallback ) );
+
+        public string TextBinding
+        {
+            get => (string) GetValue( TextBindingProperty );
+            set => SetValue( TextBindingProperty, value );
+        }
+
+        protected override void OnAttached()
+        {
+            base.OnAttached();
+
+            if ( AssociatedObject != null )
+            {
+                AssociatedObject.TextChanged += AssociatedObjectOnTextChanged;
+                AssociatedObject.LostFocus += AssociatedObjectOnLostFocus;
+            }
+        }
+
+        private void AssociatedObjectOnLostFocus( object sender, RoutedEventArgs routedEventArgs )
+        {
+            if ( !( sender is TextEditor textEditor ) )
+            {
+                return;
+            }
+
+            if ( textEditor.Document != null )
+            {
+                TextBinding = textEditor.Document.Text;
+            }
+        }
+
+        protected override void OnDetaching()
+        {
+            base.OnDetaching();
+
+            if ( AssociatedObject != null )
+            {
+                AssociatedObject.TextChanged -= AssociatedObjectOnTextChanged;
+                AssociatedObject.LostFocus -= AssociatedObjectOnLostFocus;
+            }
+        }
+
+        private void AssociatedObjectOnTextChanged( object sender, EventArgs eventArgs )
+        {
+            if ( !( sender is TextEditor textEditor ) )
+            {
+                return;
+            }
+
+            if ( textEditor.Document == null )
+            {
+                return;
+            }
+
+            int carot = textEditor.CaretOffset;
+            TextBinding = textEditor.Document.Text;
+            textEditor.CaretOffset = carot;
+        }
+
+        private static void PropertyChangedCallback( DependencyObject dependencyObject,
+            DependencyPropertyChangedEventArgs dependencyPropertyChangedEventArgs )
+        {
+            AvalonEditBehaviour behavior = dependencyObject as AvalonEditBehaviour;
+
+            TextEditor editor = behavior?.AssociatedObject;
+
+            if ( editor?.Document == null )
+            {
+                return;
+            }
+
+            if ( dependencyPropertyChangedEventArgs.NewValue == null )
+            {
+                return;
+            }
+
+            editor.Document.Text = dependencyPropertyChangedEventArgs.NewValue.ToString();
+            editor.CaretOffset = 0;
+        }
+    }
+}