jkuehner
13 years ago
5 changed files with 258 additions and 41 deletions
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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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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using ICSharpCode.WpfDesign.Adorners; |
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using ICSharpCode.WpfDesign.Designer.Extensions; |
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namespace ICSharpCode.WpfDesign.Designer.Controls |
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{ |
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public class RotateThumb : ResizeThumb |
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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 Control designerItem; |
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private Panel canvas; |
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private AdornerPanel parent; |
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static RotateThumb() |
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{ |
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DefaultStyleKeyProperty.OverrideMetadata(typeof(RotateThumb), new FrameworkPropertyMetadata(typeof(RotateThumb))); |
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} |
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public RotateThumb() |
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{ |
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this.ResizeThumbVisible = true; |
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} |
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} |
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} |
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
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// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
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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 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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/// <summary>
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/// The resize thumb around a component.
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/// </summary>
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[ExtensionFor(typeof(FrameworkElement))] |
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public sealed class RotateThumbExtension : SelectionAdornerProvider |
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{ |
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readonly AdornerPanel adornerPanel; |
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readonly Thumb thumb; |
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/// <summary>An array containing this.ExtendedItem as only element</summary>
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readonly DesignItem[] extendedItemArray = new DesignItem[1]; |
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IPlacementBehavior resizeBehavior; |
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PlacementOperation operation; |
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ChangeGroup changeGroup; |
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bool _isResizing; |
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/// <summary>
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/// Gets whether this extension is resizing any element.
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/// </summary>
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public bool IsResizing{ |
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get { return _isResizing; } |
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} |
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public RotateThumbExtension() |
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{ |
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adornerPanel = new AdornerPanel(); |
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adornerPanel.Order = AdornerOrder.Foreground; |
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this.Adorners.Add(adornerPanel); |
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thumb = CreateRotateThumb(); |
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} |
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ResizeThumb CreateRotateThumb() |
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{ |
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ResizeThumb rotateThumb = new RotateThumb(); |
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rotateThumb.Cursor = Cursors.Hand; |
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rotateThumb.Cursor = ZoomControl.GetCursor("Images/rotate.cur"); |
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rotateThumb.Alignment = PlacementAlignment.Top; |
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AdornerPanel.SetPlacement(rotateThumb, |
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new RelativePlacement(HorizontalAlignment.Center, VerticalAlignment.Top) { WidthRelativeToContentWidth = 1, HeightOffset = 0 }); |
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adornerPanel.Children.Add(rotateThumb); |
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DragListener drag = new DragListener(rotateThumb); |
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drag.Started += drag_Rotate_Started; |
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drag.Changed += drag_Rotate_Changed; |
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return rotateThumb; |
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} |
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Size oldSize; |
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#region Rotate
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private Point centerPoint; |
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private UIElement parent; |
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private Vector startVector; |
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private RotateTransform rotateTransform; |
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private double initialAngle; |
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private DesignItem rtTransform; |
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private double angle; |
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private void drag_Rotate_Started(DragListener drag) |
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{ |
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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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this.centerPoint = designerItem.TranslatePoint( |
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new Point(designerItem.ActualWidth*designerItem.RenderTransformOrigin.X, |
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designerItem.ActualHeight*designerItem.RenderTransformOrigin.Y), |
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this.parent); |
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Point startPoint = Mouse.GetPosition(this.parent); |
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this.startVector = Point.Subtract(startPoint, this.centerPoint); |
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if (this.rotateTransform == null) |
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{ |
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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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rtTransform = this.ExtendedItem.Properties[FrameworkElement.RenderTransformProperty].Value; |
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operation = PlacementOperation.Start(extendedItemArray, PlacementType.Resize); |
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} |
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private void drag_Rotate_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.centerPoint); |
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double angle = Vector.AngleBetween(this.startVector, deltaVector); |
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var destAngle = this.initialAngle + Math.Round(angle, 0); |
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if (!Keyboard.IsKeyDown(Key.LeftCtrl)) |
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destAngle = ((int)destAngle / 15) * 15; |
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if (destAngle == 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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rotateTransform = 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.rotateTransform == null) |
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this.rotateTransform = new RotateTransform(0); |
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this.ExtendedItem.Properties.GetProperty(FrameworkElement.RenderTransformProperty).SetValue(rotateTransform); |
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rtTransform = this.ExtendedItem.Properties[FrameworkElement.RenderTransformProperty].Value; |
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} |
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rtTransform.Properties["Angle"].SetValue(destAngle); |
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this.angle = destAngle * Math.PI / 180.0; |
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} |
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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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base.OnInitialized(); |
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extendedItemArray[0] = this.ExtendedItem; |
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this.ExtendedItem.PropertyChanged += OnPropertyChanged; |
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this.Services.Selection.PrimarySelectionChanged += OnPrimarySelectionChanged; |
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resizeBehavior = PlacementOperation.GetPlacementBehavior(extendedItemArray); |
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OnPrimarySelectionChanged(null, null); |
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} |
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void OnPropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e) |
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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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this.Services.Selection.PrimarySelectionChanged -= OnPrimarySelectionChanged; |
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base.OnRemove(); |
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} |
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void OnPrimarySelectionChanged(object sender, EventArgs e) |
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{ |
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bool isPrimarySelection = this.Services.Selection.PrimarySelection == this.ExtendedItem; |
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foreach (RotateThumb g in adornerPanel.Children) { |
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g.IsPrimarySelection = isPrimarySelection; |
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} |
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} |
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} |
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} |
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After Width: | Height: | Size: 4.2 KiB |
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