mirror of
https://github.com/VitalickS/BrightSharp.Toolkit.git
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Initial
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Vitaliy
49
BrightSharp/Diagrams/Thumbs/MoveThumb.cs
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49
BrightSharp/Diagrams/Thumbs/MoveThumb.cs
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Controls.Primitives;
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using System.Windows.Input;
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using System.Windows.Media;
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namespace Diagrams
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{
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public class MoveThumb : Thumb
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{
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private RotateTransform rotateTransform;
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private ContentControl designerItem;
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public MoveThumb()
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{
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DragStarted += new DragStartedEventHandler(this.MoveThumb_DragStarted);
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DragDelta += new DragDeltaEventHandler(this.MoveThumb_DragDelta);
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}
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private void MoveThumb_DragStarted(object sender, DragStartedEventArgs e)
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{
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this.designerItem = DataContext as ContentControl;
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if (this.designerItem != null)
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{
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this.rotateTransform = this.designerItem.RenderTransform as RotateTransform;
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}
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}
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private void MoveThumb_DragDelta(object sender, DragDeltaEventArgs e)
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{
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if (this.designerItem != null)
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{
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Point dragDelta = new Point(e.HorizontalChange, e.VerticalChange);
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if (this.rotateTransform != null)
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{
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dragDelta = this.rotateTransform.Transform(dragDelta);
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}
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if (double.IsNaN(Canvas.GetLeft(this.designerItem))) Canvas.SetLeft(this.designerItem, 0);
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if (double.IsNaN(Canvas.GetTop(this.designerItem))) Canvas.SetTop(this.designerItem, 0);
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Canvas.SetLeft(this.designerItem, Canvas.GetLeft(this.designerItem) + dragDelta.X);
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Canvas.SetTop(this.designerItem, Canvas.GetTop(this.designerItem) + dragDelta.Y);
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}
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}
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}
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}
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139
BrightSharp/Diagrams/Thumbs/ResizeThumb.cs
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139
BrightSharp/Diagrams/Thumbs/ResizeThumb.cs
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using System;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Controls.Primitives;
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using System.Windows.Documents;
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using System.Windows.Media;
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using System.Collections.Generic;
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using System.Windows.Input;
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namespace Diagrams
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{
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public class ResizeThumb : Thumb
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{
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private RotateTransform rotateTransform;
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private double angle;
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private Adorner adorner;
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private Point transformOrigin;
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private ContentControl designerItem;
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private Canvas canvas;
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public ResizeThumb()
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{
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DragStarted += new DragStartedEventHandler(this.ResizeThumb_DragStarted);
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DragDelta += new DragDeltaEventHandler(this.ResizeThumb_DragDelta);
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DragCompleted += new DragCompletedEventHandler(this.ResizeThumb_DragCompleted);
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MouseRightButtonDown += new MouseButtonEventHandler(this.ResizeThumb_MouseRightButtonDown);
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}
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private void ResizeThumb_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
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{
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this.designerItem = this.designerItem ?? this.DataContext as ContentControl;
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if (VerticalAlignment == VerticalAlignment.Top || VerticalAlignment == VerticalAlignment.Bottom)
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{
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this.designerItem.Height = double.NaN;
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}
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if (HorizontalAlignment == HorizontalAlignment.Left || HorizontalAlignment == HorizontalAlignment.Right)
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{
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this.designerItem.Width = double.NaN;
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}
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}
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private void ResizeThumb_DragStarted(object sender, DragStartedEventArgs e)
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{
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this.designerItem = this.DataContext as ContentControl;
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if (this.designerItem != null)
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{
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this.canvas = VisualTreeHelper.GetParent(this.designerItem) as Canvas;
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if (this.canvas != null)
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{
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this.transformOrigin = this.designerItem.RenderTransformOrigin;
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this.rotateTransform = this.designerItem.RenderTransform as RotateTransform;
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if (this.rotateTransform != null)
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{
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this.angle = this.rotateTransform.Angle * Math.PI / 180.0;
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}
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else
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{
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this.angle = 0.0d;
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}
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AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this.canvas);
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if (adornerLayer != null)
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{
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this.adorner = new SizeAdorner(this.designerItem);
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adornerLayer.Add(this.adorner);
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}
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}
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}
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}
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private void ResizeThumb_DragDelta(object sender, DragDeltaEventArgs e)
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{
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if (this.designerItem != null)
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{
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double deltaVertical, deltaHorizontal;
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if (double.IsNaN(Canvas.GetTop(this.designerItem))) Canvas.SetTop(this.designerItem, 0);
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if (double.IsNaN(Canvas.GetLeft(this.designerItem))) Canvas.SetLeft(this.designerItem, 0);
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if ((VerticalAlignment == VerticalAlignment.Top || VerticalAlignment == VerticalAlignment.Bottom) && double.IsNaN(this.designerItem.Height)) this.designerItem.Height = this.designerItem.ActualHeight;
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if ((HorizontalAlignment == HorizontalAlignment.Left || HorizontalAlignment == HorizontalAlignment.Right) && double.IsNaN(this.designerItem.Width)) this.designerItem.Width = this.designerItem.ActualWidth;
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switch (VerticalAlignment)
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{
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case System.Windows.VerticalAlignment.Bottom:
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deltaVertical = Math.Min(-e.VerticalChange, this.designerItem.ActualHeight - this.designerItem.MinHeight);
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Canvas.SetTop(this.designerItem, Canvas.GetTop(this.designerItem) + (this.transformOrigin.Y * deltaVertical * (1 - Math.Cos(-this.angle))));
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Canvas.SetLeft(this.designerItem, Canvas.GetLeft(this.designerItem) - deltaVertical * this.transformOrigin.Y * Math.Sin(-this.angle));
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this.designerItem.Height -= deltaVertical;
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break;
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case System.Windows.VerticalAlignment.Top:
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deltaVertical = Math.Min(e.VerticalChange, this.designerItem.ActualHeight - this.designerItem.MinHeight);
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Canvas.SetTop(this.designerItem, Canvas.GetTop(this.designerItem) + deltaVertical * Math.Cos(-this.angle) + (this.transformOrigin.Y * deltaVertical * (1 - Math.Cos(-this.angle))));
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Canvas.SetLeft(this.designerItem, Canvas.GetLeft(this.designerItem) + deltaVertical * Math.Sin(-this.angle) - (this.transformOrigin.Y * deltaVertical * Math.Sin(-this.angle)));
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this.designerItem.Height -= deltaVertical;
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break;
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default:
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break;
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}
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switch (HorizontalAlignment)
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{
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case System.Windows.HorizontalAlignment.Left:
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deltaHorizontal = Math.Min(e.HorizontalChange, this.designerItem.ActualWidth - this.designerItem.MinWidth);
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Canvas.SetTop(this.designerItem, Canvas.GetTop(this.designerItem) + deltaHorizontal * Math.Sin(this.angle) - this.transformOrigin.X * deltaHorizontal * Math.Sin(this.angle));
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Canvas.SetLeft(this.designerItem, Canvas.GetLeft(this.designerItem) + deltaHorizontal * Math.Cos(this.angle) + (this.transformOrigin.X * deltaHorizontal * (1 - Math.Cos(this.angle))));
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this.designerItem.Width -= deltaHorizontal;
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break;
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case System.Windows.HorizontalAlignment.Right:
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deltaHorizontal = Math.Min(-e.HorizontalChange, this.designerItem.ActualWidth - this.designerItem.MinWidth);
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Canvas.SetTop(this.designerItem, Canvas.GetTop(this.designerItem) - this.transformOrigin.X * deltaHorizontal * Math.Sin(this.angle));
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Canvas.SetLeft(this.designerItem, Canvas.GetLeft(this.designerItem) + (deltaHorizontal * this.transformOrigin.X * (1 - Math.Cos(this.angle))));
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this.designerItem.Width -= deltaHorizontal;
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break;
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default:
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break;
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}
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}
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e.Handled = true;
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}
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private void ResizeThumb_DragCompleted(object sender, DragCompletedEventArgs e)
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{
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if (this.adorner != null)
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{
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AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this.canvas);
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if (adornerLayer != null)
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{
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adornerLayer.Remove(this.adorner);
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}
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this.adorner = null;
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}
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}
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}
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}
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86
BrightSharp/Diagrams/Thumbs/RotateThumb.cs
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86
BrightSharp/Diagrams/Thumbs/RotateThumb.cs
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@@ -0,0 +1,86 @@
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using System;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Controls.Primitives;
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using System.Windows.Input;
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using System.Windows.Media;
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namespace Diagrams
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{
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public class RotateThumb : Thumb
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{
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private double initialAngle;
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private RotateTransform rotateTransform;
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private Vector startVector;
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private Point centerPoint;
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private ContentControl designerItem;
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private Canvas canvas;
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public RotateThumb()
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{
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DragDelta += new DragDeltaEventHandler(this.RotateThumb_DragDelta);
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DragStarted += new DragStartedEventHandler(this.RotateThumb_DragStarted);
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MouseRightButtonDown += RotateThumb_MouseLeftButtonDown;
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}
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private void RotateThumb_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
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{
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if (e.RightButton == MouseButtonState.Pressed)
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{
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this.rotateTransform = this.designerItem.RenderTransform as RotateTransform;
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if (this.rotateTransform != null)
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{
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this.rotateTransform.Angle = 0;
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this.designerItem.InvalidateMeasure();
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}
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}
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}
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private void RotateThumb_DragStarted(object sender, DragStartedEventArgs e)
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{
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this.designerItem = DataContext as ContentControl;
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if (this.designerItem != null)
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{
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this.canvas = VisualTreeHelper.GetParent(this.designerItem) as Canvas;
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if (this.canvas != null)
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{
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this.centerPoint = this.designerItem.TranslatePoint(
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new Point(this.designerItem.ActualWidth * this.designerItem.RenderTransformOrigin.X,
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this.designerItem.ActualHeight * this.designerItem.RenderTransformOrigin.Y),
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this.canvas);
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Point startPoint = Mouse.GetPosition(this.canvas);
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this.startVector = Point.Subtract(startPoint, this.centerPoint);
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this.rotateTransform = this.designerItem.RenderTransform as RotateTransform;
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if (this.rotateTransform == null)
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{
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this.designerItem.RenderTransform = new RotateTransform(0);
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this.initialAngle = 0;
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}
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else
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{
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this.initialAngle = this.rotateTransform.Angle;
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}
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}
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}
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}
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private void RotateThumb_DragDelta(object sender, DragDeltaEventArgs e)
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{
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if (this.designerItem != null && this.canvas != null)
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{
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Point currentPoint = Mouse.GetPosition(this.canvas);
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Vector deltaVector = Point.Subtract(currentPoint, this.centerPoint);
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double angle = Vector.AngleBetween(this.startVector, deltaVector);
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RotateTransform rotateTransform = this.designerItem.RenderTransform as RotateTransform;
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rotateTransform.Angle = this.initialAngle + Math.Round(angle, 0);
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this.designerItem.InvalidateMeasure();
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}
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}
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}
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}
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