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jogibear9988jogibear9988
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Skew Thumb Extension
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‎src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Extensions/SkewThumbExtension.cs‎

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// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using System.Diagnostics;
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using System.Windows;
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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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using System.Windows.Shapes;
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using ICSharpCode.WpfDesign.Adorners;
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using ICSharpCode.WpfDesign.Designer.Controls;
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using ICSharpCode.WpfDesign.Extensions;
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using System.Collections.Generic;
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namespace ICSharpCode.WpfDesign.Designer.Extensions
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{
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[ExtensionServer(typeof(OnlyOneItemSelectedExtensionServer))]
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[ExtensionFor(typeof(FrameworkElement))]
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public sealed class SkewThumbExtension : SelectionAdornerProvider
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{
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readonly AdornerPanel adornerPanel;
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readonly DesignItem[] extendedItemArray = new DesignItem[1];
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private AdornerLayer _adornerLayer;
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public SkewThumbExtension()
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{
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adornerPanel = new AdornerPanel();
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adornerPanel.Order = AdornerOrder.BeforeForeground;
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this.Adorners.Add(adornerPanel);
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}
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#region Skew
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private Point startPoint;
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private UIElement parent;
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private SkewTransform skewTransform;
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private double skewX;
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private double skewY;
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private DesignItem rtTransform;
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private Thumb thumb1;
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private Thumb thumb2;
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private void dragX_Started(DragListener drag)
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{
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_adornerLayer = this.adornerPanel.TryFindParent<AdornerLayer>();
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var designerItem = this.ExtendedItem.Component as FrameworkElement;
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this.parent = VisualTreeHelper.GetParent(designerItem) as UIElement;
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startPoint = Mouse.GetPosition(this.parent);
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if (this.skewTransform == null)
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{
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this.skewX = 0;
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this.skewY = 0;
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}
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else
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{
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this.skewX = this.skewTransform.AngleX;
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this.skewY = this.skewTransform.AngleY;
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}
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rtTransform = this.ExtendedItem.Properties[FrameworkElement.RenderTransformProperty].Value;
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}
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private void dragX_Changed(DragListener drag)
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{
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Point currentPoint = Mouse.GetPosition(this.parent);
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Vector deltaVector = Point.Subtract(currentPoint, this.startPoint);
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var destAngle = (-0.5*deltaVector.X) + skewX;
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if (destAngle == 0 && skewY == 0)
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{
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this.ExtendedItem.Properties.GetProperty(FrameworkElement.RenderTransformProperty).Reset();
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rtTransform = null;
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skewTransform = null;
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}
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else
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{
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if (rtTransform == null)
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{
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if (!this.ExtendedItem.Properties.GetProperty(FrameworkElement.RenderTransformOriginProperty).IsSet) {
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this.ExtendedItem.Properties.GetProperty(FrameworkElement.RenderTransformOriginProperty).SetValue(new Point(0.5,0.5));
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}
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if (this.skewTransform == null)
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this.skewTransform = new SkewTransform(0, 0);
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this.ExtendedItem.Properties.GetProperty(FrameworkElement.RenderTransformProperty).SetValue(skewTransform);
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rtTransform = this.ExtendedItem.Properties[FrameworkElement.RenderTransformProperty].Value;
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}
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rtTransform.Properties["AngleX"].SetValue(destAngle);
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}
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_adornerLayer.UpdateAdornersForElement(this.ExtendedItem.View, true);
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}
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private void dragY_Started(DragListener drag)
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{
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_adornerLayer = this.adornerPanel.TryFindParent<AdornerLayer>();
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var designerItem = this.ExtendedItem.Component as FrameworkElement;
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this.parent = VisualTreeHelper.GetParent(designerItem) as UIElement;
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startPoint = Mouse.GetPosition(this.parent);
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if (this.skewTransform == null)
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{
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this.skewX = 0;
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this.skewY = 0;
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}
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else
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{
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this.skewX = this.skewTransform.AngleX;
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this.skewY = this.skewTransform.AngleY;
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}
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rtTransform = this.ExtendedItem.Properties[FrameworkElement.RenderTransformProperty].Value;
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}
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private void dragY_Changed(DragListener drag)
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{
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Point currentPoint = Mouse.GetPosition(this.parent);
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Vector deltaVector = Point.Subtract(currentPoint, this.startPoint);
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var destAngle = (-0.5*deltaVector.Y) + skewY;
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if (destAngle == 0 && skewX == 0)
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{
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this.ExtendedItem.Properties.GetProperty(FrameworkElement.RenderTransformProperty).Reset();
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rtTransform = null;
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skewTransform = null;
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}
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else
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{
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if (rtTransform == null)
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{
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if (!this.ExtendedItem.Properties.GetProperty(FrameworkElement.RenderTransformOriginProperty).IsSet)
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{
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this.ExtendedItem.Properties.GetProperty(FrameworkElement.RenderTransformOriginProperty).SetValue(new Point(0.5, 0.5));
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}
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if (this.skewTransform == null)
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this.skewTransform = new SkewTransform(0, 0);
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this.ExtendedItem.Properties.GetProperty(FrameworkElement.RenderTransformProperty).SetValue(skewTransform);
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rtTransform = this.ExtendedItem.Properties[FrameworkElement.RenderTransformProperty].Value;
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}
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rtTransform.Properties["AngleY"].SetValue(destAngle);
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}
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_adornerLayer.UpdateAdornersForElement(this.ExtendedItem.View, true);
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}
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#endregion
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protected override void OnInitialized()
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{
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if (this.ExtendedItem.Component is WindowClone)
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return;
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base.OnInitialized();
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extendedItemArray[0] = this.ExtendedItem;
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this.ExtendedItem.PropertyChanged += OnPropertyChanged;
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var designerItem = this.ExtendedItem.Component as FrameworkElement;
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this.skewTransform = designerItem.RenderTransform as SkewTransform;
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if (skewTransform != null)
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{
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skewX = skewTransform.AngleX;
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skewY = skewTransform.AngleY;
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}
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thumb1 = new Thumb() { Cursor = Cursors.ScrollWE, Height = 14, Width = 4, Opacity = 1 };
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thumb2 = new Thumb() { Cursor = Cursors.ScrollNS, Width = 14, Height = 4, Opacity = 1 };
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OnPropertyChanged(null, null);
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adornerPanel.Children.Add(thumb1);
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adornerPanel.Children.Add(thumb2);
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DragListener drag1 = new DragListener(thumb1);
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drag1.Started += dragX_Started;
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drag1.Changed += dragX_Changed;
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DragListener drag2 = new DragListener(thumb2);
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drag2.Started += dragY_Started;
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drag2.Changed += dragY_Changed;
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}
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void OnPropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
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{
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if (sender == null || e.PropertyName == "Width" || e.PropertyName == "Height") {
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AdornerPanel.SetPlacement(thumb1,
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new RelativePlacement(HorizontalAlignment.Center, VerticalAlignment.Top) {
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YOffset = 0,
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XOffset = -1 * ((FrameworkElement)ExtendedItem.View).ActualWidth / 4
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});
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AdornerPanel.SetPlacement(thumb2,
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new RelativePlacement(HorizontalAlignment.Left, VerticalAlignment.Center) {
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YOffset = -1 * ((FrameworkElement)ExtendedItem.View).ActualHeight / 4,
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XOffset = 0
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});
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}
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}
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protected override void OnRemove()
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{
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this.ExtendedItem.PropertyChanged -= OnPropertyChanged;
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base.OnRemove();
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}
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}
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}

‎src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/WpfDesign.Designer.csproj‎

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</Compile>
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<Compile Include="Extensions\RenderTransformOriginExtension.cs" />
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<Compile Include="Extensions\RightClickContextMenuExtension.cs" />
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<Compile Include="Extensions\SkewThumbExtension.cs" />
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<Compile Include="PropertyGrid\Editors\FlatCollectionEditor.xaml.cs">
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<DependentUpon>FlatCollectionEditor.xaml</DependentUpon>
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<SubType>Code</SubType>

‎src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/Adorners/AdornerPanel.cs‎

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/// </summary>
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public static readonly AdornerOrder Foreground = new AdornerOrder(300);
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/// <summary>
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/// The adorner is in the before foreground layer.
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/// </summary>
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public static readonly AdornerOrder BeforeForeground = new AdornerOrder(400);
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int i;
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internal AdornerOrder(int i)

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