LunarMind/Relation.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Documents;
using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Shapes;
using System.Xml;
using SHomeWorkshop.LunarTools;
using System.Windows.Media;
using System.Windows.Input;
using System.Windows.Media.Imaging;
using SHomeWorkshop.LunarMind.Commands;

namespace SHomeWorkshop.LunarMind
{
    public class Relation : AdornerDecorator, INotifyPropertyChanged
    {
        public Relation(MainWindow editor, Title startTitle, Title endTitle)
        {
            this.mainTextBlock.MouseRightButtonUp += Path_MouseRightButtonUp;

            Canvas.SetZIndex(this, 1000);

            this.editor = editor;
            this.startTitle = startTitle;
            this.endTitle = endTitle;

            this.startTitleID = startTitle.ID;
            this.endTitleID = endTitle.ID;

            this.RebuildANewID();

            this.baseCanvas.ClipToBounds = false;
            //将此Canvas的Width和Hdight都设置为０，然后将此属性设置为false，则应显示其中的TextBlock。

            this.Child = baseCanvas;
            this.baseCanvas.Children.Add(mainPath);
            this.baseCanvas.Children.Add(startArrowPath);
            this.baseCanvas.Children.Add(endArrowPath);
            this.baseCanvas.Children.Add(mainTextBlock);

            mainPath.Cursor = Cursors.Hand;
            mainPath.Stroke = lineColor;
            mainPath.StrokeThickness = lineWidth;
            mainPath.StrokeDashArray = LineDashType.dashDotCollection;

            PathGeometry mainPg = new PathGeometry();
            this.mainPath.Data = mainPg;

            mainPathFigure.IsClosed = false;

            mainPg.Figures.Add(mainPathFigure);
            mainPathFigure.Segments.Add(mainBezierSegment);

            #region 两个箭头。
            startArrowPath.Cursor = Cursors.Hand;
            startArrowPath.Fill = startArrowPath.Stroke = lineColor;