添加项目文件。

MetroGauges/Controls/DrawTools/DrawToolBase.cs

@@ -0,0 +1,209 @@
+using MetroGauges.Controls.BlockShaps;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Shapes;
+
+namespace MetroGauges.Controls.DrawTools
+{
+
+    public enum DrawActionType
+    {
+        Pointer,
+        Line,
+        Polyline,
+        Circle,
+        Rectangle,
+        Select,
+        Custom,
+        Text
+    }
+
+    public abstract class DrawToolBase
+    {
+
+        private FrameworkElement selectedShape;
+        public event EventHandler<HighlighEvent> HighlighEvent;
+
+
+        protected bool IsStartDraw { get; set; }
+
+        public DesignControl DrawDesign { get; set; }
+
+
+        public FrameworkElement SelectedShape
+        {
+            get
+            {
+                return selectedShape;
+            }
+            set
+            {
+                selectedShape = value;
+            }
+        }
+
+        public DrawToolBase(DesignControl canvas)
+        {
+            this.DrawDesign = canvas;
+        }
+
+        public abstract void MouseLeftButtonUp(object sender, MouseButtonEventArgs e);
+
+        public abstract void MouseRightButtonUp(object sender, MouseButtonEventArgs e);
+
+        public abstract void m_Root_MouseRightButtonDown(object sender, MouseButtonEventArgs e);
+
+        public abstract void MouseLeftButtonDown(object sender, MouseButtonEventArgs e);
+
+        public abstract void MouseMove(object sender, MouseEventArgs e);
+
+        protected void AddShap(FrameworkElement element)
+        {
+            element.MouseLeftButtonDown += Element_MouseLeftButtonDown;
+            element.MouseMove += Element_MouseMove;
+            element.MouseLeftButtonUp += Element_MouseLeftButtonUp;
+
+            
+
+            element.Cursor = Cursors.Hand;
+            this.DrawDesign.canvasDesign.Children.Add(element);
+            this.DrawDesign.DrawShaps.Add(element);
+        }
+
+        #region 图形移动
+
+        private System.Windows.Point dragPoint;
+        System.Windows.Point offset;
+        bool isInDrag = false;
+        public void Element_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            if (!IsStartDraw)
+            {
+                FrameworkElement element = sender as FrameworkElement;
+                offset = e.GetPosition(element);
+                element.CaptureMouse();
+                isInDrag = true;
+
+                dragPoint = e.GetPosition(this.DrawDesign.canvasDesign);
+
+                //this.CopyBlock(element.Name);
+
+                this.Highlight(element);
+            }
+            
+            //MessageBox.Show($"X:{offset.X}Y:{offset.Y}");
+
+        }
+
+        private void Element_MouseMove(object sender, MouseEventArgs e)
+        {
+            if (!IsStartDraw)
+            {
+                if (isInDrag)
+                {
+                    FrameworkElement element = sender as FrameworkElement;
+                    System.Windows.Point currentPoint = e.GetPosition(this.DrawDesign.canvasDesign);
+
+                    double moveX = currentPoint.X - dragPoint.X;
+                    double moveY = currentPoint.Y - dragPoint.Y;
+
+                    this.MoveElement(moveX, moveY);
+                }
+            }
+            
+        }
+
+        protected virtual void MoveElement( double moveX,double moveY )
+        {
+
+        }
+
+        private void Element_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+        {
+            if (!IsStartDraw)
+            {
+                if (isInDrag)
+                {
+                    FrameworkElement element = sender as FrameworkElement;
+                    element.ReleaseMouseCapture();
+                    isInDrag = false;
+                }
+            }
+           
+        }
+        #endregion
+
+        //高亮选择
+        public virtual void Highlight(FrameworkElement shape)
+        {
+            
+            foreach (var item in this.DrawDesign.DrawShaps)
+            {
+                if (item is Shape)
+                {
+                    (item as Shape).Stroke = Brushes.White;
+                }
+                else
+                {
+                    (item as TextBlock).Foreground = new SolidColorBrush(Colors.White);
+                }
+                    
+            }
+            
+
+            if (shape is Shape)
+            {
+                (shape as Shape).Stroke = Brushes.Red;
+            }
+            else
+            {
+                (shape as TextBlock).Foreground = new SolidColorBrush(Colors.Red);
+            }
+
+            this.selectedShape = shape;
+
+            if (HighlighEvent != null)
+            {
+                HighlighEvent(this, null);
+            }
+        }
+
+        public  void MoveSelectedShapeByX(double x)
+        {
+            if (this.selectedShape != null)
+            {
+                BlockOpr opr = new BlockOpr() { ScaleRale = this.DrawDesign.ScaleRale };
+                opr.currentPoint = new Point() { X = x };
+                List<FrameworkElement> blocks = new List<FrameworkElement>();
+                blocks.Add(this.selectedShape);
+                opr.ExctecOpr(blocks, OprType.MoveByX);
+            }
+        }
+
+        public  void MoveSelectedShapeByY(double y)
+        {
+            if (this.selectedShape != null)
+            {
+                BlockOpr opr = new BlockOpr() { ScaleRale = this.DrawDesign.ScaleRale };
+                opr.currentPoint = new Point() {  Y = y };
+                List<FrameworkElement> blocks = new List<FrameworkElement>();
+                blocks.Add(this.selectedShape);
+                opr.ExctecOpr(blocks, OprType.MoveByY);
+            }
+        }
+
+
+        public virtual void Deactivated()
+        {
+
+        }
+
+    }
+}