Added edit existing shape (WIP)

src/Artemis.UI/Screens/Module/ProfileEditor/Visualization/Tools/EditToolViewModel.cs

@@ -0,0 +1,152 @@
+using System;
+using System.Windows;
+using System.Windows.Input;
+using System.Windows.Media;
+using Artemis.Core.Models.Profile;
+using Artemis.UI.Services.Interfaces;
+using SkiaSharp;
+
+namespace Artemis.UI.Screens.Module.ProfileEditor.Visualization.Tools
+{
+    public class EditToolViewModel : VisualizationToolViewModel
+    {
+        private bool _mouseDown;
+
+        public EditToolViewModel(ProfileViewModel profileViewModel, IProfileEditorService profileEditorService) : base(profileViewModel, profileEditorService)
+        {
+            Cursor = Cursors.Arrow;
+            Update();
+
+            profileEditorService.SelectedProfileChanged += (sender, args) => Update();
+            profileEditorService.SelectedProfileElementUpdated += (sender, args) => Update();
+            profileEditorService.CurrentTimeChanged += (sender, args) => Update();
+        }
+
+        private void Update()
+        {
+            if (ProfileEditorService.SelectedProfileElement is Layer layer)
+            {
+                ShapeSkRect = layer.LayerShape.GetUnscaledRectangle();
+            }
+        }
+
+        public SKRect ShapeSkRect { get; set; }
+
+        public void ShapeEditMouseDown(object sender, MouseButtonEventArgs e)
+        {
+            ((IInputElement) sender).CaptureMouse();
+            _mouseDown = true;
+            e.Handled = true;
+        }
+
+        public void ShapeEditMouseUp(object sender, MouseButtonEventArgs e)
+        {
+            ((IInputElement) sender).ReleaseMouseCapture();
+            _mouseDown = false;
+            e.Handled = true;
+        }
+
+        public void TopLeftRotate(object sender, MouseEventArgs e)
+        {
+        }
+
+        public void TopLeftResize(object sender, MouseEventArgs e)
+        {
+            
+        }
+
+        public void TopCenterResize(object sender, MouseEventArgs e)
+        {
+            if (!_mouseDown)
+                return;
+            if (!(ProfileEditorService.SelectedProfileElement is Layer layer))
+                return;
+
+            var position = GetRelativePosition(sender, e);
+
+            var skRect = layer.LayerShape.GetUnscaledRectangle();
+            skRect.Top = (float) Math.Min(position.Y, skRect.Bottom);
+            layer.LayerShape.SetFromUnscaledRectangle(skRect);
+
+            ProfileEditorService.UpdateSelectedProfileElement();
+        }
+
+        public void TopRightRotate(object sender, MouseEventArgs e)
+        {
+        }
+
+        public void TopRightResize(object sender, MouseEventArgs e)
+        {
+        }
+
+        public void CenterRightResize(object sender, MouseEventArgs e)
+        {
+            if (!_mouseDown)
+                return;
+            if (!(ProfileEditorService.SelectedProfileElement is Layer layer))
+                return;
+
+            var position = GetRelativePosition(sender, e);
+
+            var skRect = layer.LayerShape.GetUnscaledRectangle();
+            skRect.Right = (float) Math.Max(position.X, skRect.Left);
+            layer.LayerShape.SetFromUnscaledRectangle(skRect);
+
+            ProfileEditorService.UpdateSelectedProfileElement();
+        }
+
+        private Point GetRelativePosition(object sender, MouseEventArgs mouseEventArgs)
+        {
+            var parent = VisualTreeHelper.GetParent((DependencyObject) sender);
+            return mouseEventArgs.GetPosition((IInputElement) parent);
+        }
+
+        public void BottomRightRotate(object sender, MouseEventArgs e)
+        {
+        }
+
+        public void BottomRightResize(object sender, MouseEventArgs e)
+        {
+        }
+
+        public void BottomCenterResize(object sender, MouseEventArgs e)
+        {
+            if (!_mouseDown)
+                return;
+            if (!(ProfileEditorService.SelectedProfileElement is Layer layer))
+                return;
+
+            var position = GetRelativePosition(sender, e);
+
+            var skRect = layer.LayerShape.GetUnscaledRectangle();
+            skRect.Bottom = (float) Math.Max(position.Y, skRect.Top);
+            layer.LayerShape.SetFromUnscaledRectangle(skRect);
+
+            ProfileEditorService.UpdateSelectedProfileElement();
+        }
+
+        public void BottomLeftRotate(object sender, MouseEventArgs e)
+        {
+        }
+
+        public void BottomLeftResize(object sender, MouseEventArgs e)
+        {
+        }
+
+        public void CenterLeftResize(object sender, MouseEventArgs e)
+        {
+            if (!_mouseDown)
+                return;
+            if (!(ProfileEditorService.SelectedProfileElement is Layer layer))
+                return;
+
+            var position = GetRelativePosition(sender, e);
+
+            var skRect = layer.LayerShape.GetUnscaledRectangle();
+            skRect.Left = (float) Math.Min(position.X, skRect.Right);
+            layer.LayerShape.SetFromUnscaledRectangle(skRect);
+
+            ProfileEditorService.UpdateSelectedProfileElement();
+        }
+    }
+}