128 lines
3.9 KiB
C#
128 lines
3.9 KiB
C#
using MetroGauges.Controls.DrawTools;
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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.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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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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namespace MetroGauges.Controls
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{
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public class RectangleTool : DrawToolBase
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{
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/// <summary>
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/// 是否选择工具
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/// </summary>
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public bool IsSelecedTool { get; set; }
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Rectangle currentRect = new Rectangle();
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bool isMouseDown = false;
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public RectangleTool(DesignControl canvas) : base(canvas)
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{
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IsStartDraw = true;
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}
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public override void MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
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{
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isMouseDown = true;
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if (IsStartDraw)
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{
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this.DrawDesign.DisabledMove = true;
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Point mousePosition = Mouse.GetPosition(this.DrawDesign.canvasDesign);
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currentRect.Stroke = new SolidColorBrush(Colors.White);
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currentRect.StrokeThickness = 1;
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Canvas.SetLeft(currentRect, mousePosition.X);
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Canvas.SetTop(currentRect, mousePosition.Y);
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currentRect.DataContext = new Point() { X = mousePosition.X, Y = mousePosition.Y };
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this.AddShap(currentRect);
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}
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}
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public override void MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
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{
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isMouseDown = false;
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IsStartDraw = false;
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this.DrawDesign.DisabledMove = false;
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if (currentRect.Width == 0 || currentRect.Height == 0)
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{
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this.DrawDesign.canvasDesign.Children.Remove(currentRect);
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}
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else
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{
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if (IsSelecedTool)
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{
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this.DrawDesign.canvasDesign.Children.Remove(currentRect);
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this.DrawDesign.DrawShaps.Remove(currentRect);
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}
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}
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}
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public override void MouseMove(object sender, MouseEventArgs e)
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{
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if (IsStartDraw && isMouseDown)
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{
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Point mousePosition = Mouse.GetPosition(this.DrawDesign.canvasDesign);
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Point sourePoint = (Point)currentRect.DataContext;
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currentRect.Width = Math.Abs(mousePosition.X - sourePoint.X);
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currentRect.Height = Math.Abs(mousePosition.Y - sourePoint.Y);
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if (mousePosition.X - sourePoint.X < 0) // 左边
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{
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if (mousePosition.Y - sourePoint.Y < 0) //上面
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{
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Canvas.SetLeft(currentRect, sourePoint.X - currentRect.Width);
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Canvas.SetTop(currentRect, sourePoint.Y + (mousePosition.Y - sourePoint.Y));
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}
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else //下面
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{
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Canvas.SetLeft(currentRect, sourePoint.X - currentRect.Width);
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}
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}
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else // 右边
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{
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if (mousePosition.Y - sourePoint.Y < 0) //上面
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{
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Canvas.SetTop(currentRect, sourePoint.Y+ (mousePosition.Y- sourePoint.Y));
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}
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else //下面
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{
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}
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}
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}
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}
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public override void MouseRightButtonUp(object sender, MouseButtonEventArgs e)
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{
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}
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public override void m_Root_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
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{
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}
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public override void Highlight(FrameworkElement shape)
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{
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this.DrawDesign.CrrentDrawTool = this;
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base.Highlight(shape);
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}
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}
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}
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