整理一下项目文件

2026-04-12 20:26:35 +08:00 · 2022-10-28 22:45:39 +08:00
parent 334297b074
commit 513937c1d6
598 changed files with 684 additions and 544 deletions
--- a/AIStudio.Wpf.DiagramDesigner/AttachedProperties/SelectionProps.cs
+++ b/AIStudio.Wpf.DiagramDesigner/AttachedProperties/SelectionProps.cs
@@ -0,0 +1,75 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.Windows.Input;
+
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    public static class SelectionProps  
+    {
+        #region EnabledForSelection
+
+        public static readonly DependencyProperty EnabledForSelectionProperty =
+            DependencyProperty.RegisterAttached("EnabledForSelection", typeof(bool), typeof(SelectionProps),
+                new FrameworkPropertyMetadata((bool)false,
+                    new PropertyChangedCallback(OnEnabledForSelectionChanged)));
+
+        public static bool GetEnabledForSelection(DependencyObject d)
+        {
+            return (bool)d.GetValue(EnabledForSelectionProperty);
+        }
+
+        public static void SetEnabledForSelection(DependencyObject d, bool value)
+        {
+            d.SetValue(EnabledForSelectionProperty, value);
+        }
+
+        private static void OnEnabledForSelectionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            FrameworkElement fe = (FrameworkElement)d;
+            if ((bool)e.NewValue)
+            {
+                fe.PreviewMouseDown += Fe_PreviewMouseDown;
+            }
+            else
+            {
+                fe.PreviewMouseDown -= Fe_PreviewMouseDown;
+            }
+        }
+
+        #endregion
+
+        static void Fe_PreviewMouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
+        {
+            SelectableDesignerItemViewModelBase selectableDesignerItemViewModelBase = 
+                (SelectableDesignerItemViewModelBase)((FrameworkElement)sender).DataContext;
+
+            if(selectableDesignerItemViewModelBase != null && selectableDesignerItemViewModelBase.IsHitTestVisible)
+            {
+                if ((Keyboard.Modifiers & (ModifierKeys.Shift | ModifierKeys.Control)) != ModifierKeys.None)
+                {
+                    if ((Keyboard.Modifiers & (ModifierKeys.Shift)) != ModifierKeys.None)
+                    {
+                        selectableDesignerItemViewModelBase.IsSelected = !selectableDesignerItemViewModelBase.IsSelected;
+                    }
+
+                    if ((Keyboard.Modifiers & (ModifierKeys.Control)) != ModifierKeys.None)
+                    {
+                        selectableDesignerItemViewModelBase.IsSelected = !selectableDesignerItemViewModelBase.IsSelected;
+                    }
+                }
+                else if (!selectableDesignerItemViewModelBase.IsSelected)
+                {
+                    foreach (SelectableDesignerItemViewModelBase item in selectableDesignerItemViewModelBase.Parent.SelectedItems)
+                        item.IsSelected = false;
+
+                    selectableDesignerItemViewModelBase.Parent.SelectedItems.Clear();
+                    //selectableDesignerItemViewModelBase.IsSelected = true;
+                    selectableDesignerItemViewModelBase.Parent.SelectionService.AddToSelection(selectableDesignerItemViewModelBase);
+                }
+            }
+        }
+    }
+}