整理一下项目文件

2026-04-28 04:03:23 +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/Controls/RotateThumb.cs
+++ b/AIStudio.Wpf.DiagramDesigner/Controls/RotateThumb.cs
@@ -0,0 +1,106 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+using System.Windows.Input;
+using System.Windows.Media;
+
+namespace AIStudio.Wpf.DiagramDesigner.Controls
+{
+    public class RotateThumb : Thumb
+    {
+        private Point centerPoint;
+        private Vector startVector;
+        private double initialAngle;
+        private Canvas designerCanvas;
+        private DesignerItemViewModelBase designerItem;
+        private RotateTransform rotateTransform;
+
+        public RotateThumb()
+        {
+            DragDelta += RotateThumb_DragDelta;
+            DragStarted += RotateThumb_DragStarted;
+            DragCompleted += RotateThumb_DragCompleted;
+        }
+
+        private List<SelectableDesignerItemViewModelBase> designerItems;
+
+        private void RotateThumb_DragStarted(object sender, DragStartedEventArgs e)
+        {
+            this.designerItem = this.DataContext as DesignerItemViewModelBase;
+
+            if (this.designerItem != null)
+            {
+                designerItems = designerItem.SelectedItems.ToList();
+
+                foreach (DesignerItemViewModelBase item in designerItems.OfType<DesignerItemViewModelBase>())
+                {
+                    item.BeginDo = true;
+                    item.SetOldValue(this.designerItem.Angle, nameof(this.designerItem.Angle));
+                }
+
+                this.designerCanvas = GetDesignerCanvas(this);
+                if (this.designerCanvas != null)
+                {
+                    this.centerPoint =
+                        new Point(this.designerItem.Left + this.designerItem.ItemWidth * 0.5,
+                                  this.designerItem.Top + this.designerItem.ItemHeight * 0.5);
+
+                    Point startPoint = Mouse.GetPosition(this.designerCanvas);
+                    this.startVector = Point.Subtract(startPoint, this.centerPoint);
+
+
+                    this.initialAngle = this.designerItem.Angle;
+                }
+                e.Handled = true;
+            }
+            else
+            {
+                designerItems = null;
+            }    
+        }
+
+        private void RotateThumb_DragCompleted(object sender, DragCompletedEventArgs e)
+        {
+            this.designerItem = this.DataContext as DesignerItemViewModelBase;
+
+            if (this.designerItems != null)
+            {
+                foreach (DesignerItemViewModelBase item in designerItems.OfType<DesignerItemViewModelBase>())
+                {
+                    item.BeginDo = false;
+                    item.RaiseAngle();
+                }
+
+                e.Handled = true;
+            }
+        }
+
+        private void RotateThumb_DragDelta(object sender, DragDeltaEventArgs e)
+        {
+            if (this.designerItems != null && this.designerCanvas != null)
+            {
+                Point currentPoint = Mouse.GetPosition(this.designerCanvas);
+                Vector deltaVector = Point.Subtract(currentPoint, this.centerPoint);
+
+                double angle = Vector.AngleBetween(this.startVector, deltaVector);
+
+                foreach (DesignerItemViewModelBase item in designerItems.OfType<DesignerItemViewModelBase>())
+                {
+                    item.Angle = this.initialAngle + Math.Round(angle, 0);
+                }
+                e.Handled = true;
+            }
+        }
+
+        private DesignerCanvas GetDesignerCanvas(DependencyObject element)
+        {
+            while (element != null && !(element is DesignerCanvas))
+                element = VisualTreeHelper.GetParent(element);
+
+            return element as DesignerCanvas;
+        }
+    }
+}