LunarPresentation/Expressions/LogicCross.cs

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using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Shapes;
using System.Xml;

namespace SHomeWorkshop.LunarPresentation.Expressions
{
    public class LogicCross : CanvasExpression
    {
        public LogicCross(SubPanel rootPanel, SubPanel parentPanel, Editor editor)
            : base(rootPanel, parentPanel, editor)
        {
            //绘制两个交叉外接圆。
            leftEllipse = new Ellipse();
            leftEllipse.StrokeThickness = 2;
            leftEllipse.Stroke = ExForeground;
            leftEllipse.Fill = System.Windows.Media.Brushes.Transparent;
            leftEllipse.Cursor = Cursors.Hand;
            leftEllipse.MouseRightButtonDown += Ellipse_MouseRightButtonDown;
            leftEllipse.MouseLeftButtonDown += Ellipse_MouseLeftButtonDown;
            leftEllipse.MouseLeftButtonUp += Ellipse_MouseLeftButtonUp;

            rightEllipse = new Ellipse();
            rightEllipse.StrokeThickness = 2;
            rightEllipse.Stroke = ExForeground;
            rightEllipse.Fill = System.Windows.Media.Brushes.Transparent;
            rightEllipse.Cursor = Cursors.Hand;
            rightEllipse.MouseRightButtonDown += Ellipse_MouseRightButtonDown;
            rightEllipse.MouseLeftButtonDown += Ellipse_MouseLeftButtonDown;
            rightEllipse.MouseLeftButtonUp += Ellipse_MouseLeftButtonUp;

            basePanel.Children.Add(leftEllipse);
            basePanel.Children.Add(rightEllipse);

            Canvas.SetZIndex(leftEllipse, 1);
            Canvas.SetZIndex(rightEllipse, 2);

            //三个主面板。
            middlePanel = new SubPanel(rootPanel, parentPanel, editor, this);
            leftPanel = new SubPanel(rootPanel, parentPanel, editor, this);
            rightPanel = new SubPanel(rootPanel, parentPanel, editor, this);

            middlePanel.SizeChanged += eachPanel_SizeChanged;
            leftPanel.SizeChanged += eachPanel_SizeChanged;
            rightPanel.SizeChanged += eachPanel_SizeChanged;

            basePanel.Children.Add(middlePanel);
            basePanel.Children.Add(leftPanel);
            basePanel.Children.Add(rightPanel);

            Canvas.SetZIndex(middlePanel, 101);
            Canvas.SetZIndex(leftPanel, 102);
            Canvas.SetZIndex(rightPanel, 103);

            RefreshSubPanelRelatios();

            this.chineseName = "交叉关系式";