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https://gitee.com/langsisi_admin/serein-flow
synced 2026-03-03 00:00:49 +08:00
在Serein.Library添加了基础功能模块,暂时实现了键值对/数组数据的创建(可配合JSON库进行序列化)
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@@ -104,7 +104,6 @@ namespace Serein.Workbench.Node.View
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public class ConnectionControl
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{
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private readonly Action RemoteCallback;
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/// <summary>
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@@ -152,11 +151,9 @@ namespace Serein.Workbench.Node.View
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public ConnectionControl(Canvas Canvas,
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ConnectionInvokeType invokeType,
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JunctionControlBase Start,
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JunctionControlBase End,
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Action remoteCallback)
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JunctionControlBase End)
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{
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this.LineType = LineType.Bezier;
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this.RemoteCallback = remoteCallback;
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this.Canvas = Canvas;
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this.InvokeType = invokeType;
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this.Start = Start;
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@@ -174,13 +171,11 @@ namespace Serein.Workbench.Node.View
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int argIndex,
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ConnectionArgSourceType argSourceType,
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JunctionControlBase Start,
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JunctionControlBase End,
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Action remoteCallback)
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JunctionControlBase End)
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{
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this.LineType = LineType;
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this.RemoteCallback = remoteCallback;
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this.Canvas = Canvas;
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this.ArgIndex = ArgIndex;
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this.ArgIndex = argIndex;
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this.ArgSourceType = argSourceType;
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this.Start = Start;
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this.End = End;
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@@ -223,24 +218,26 @@ namespace Serein.Workbench.Node.View
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private void ConfigureLineContextMenu()
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{
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var contextMenu = new ContextMenu();
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contextMenu.Items.Add(MainWindow.CreateMenuItem("删除连线", (s, e) => this.DeleteConnection()));
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contextMenu.Items.Add(MainWindow.CreateMenuItem("删除连线", (s, e) => this.Remote()));
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BezierLine.ContextMenu = contextMenu;
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}
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/// <summary>
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/// 删除该连线
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/// </summary>
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/// <param name="line"></param>
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public void DeleteConnection()
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{
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RemoteCallback?.Invoke();
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}
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/// <summary>
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/// 删除该连线
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/// </summary>
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public void Remote()
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{
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Canvas.Children.Remove(BezierLine);
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var env = Start.MyNode.Env;
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if (Start.JunctionType.ToConnectyionType() == JunctionOfConnectionType.Invoke)
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{
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env.RemoveConnectInvokeAsync(Start.MyNode.Guid, End.MyNode.Guid, InvokeType);
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}
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else if (Start.JunctionType.ToConnectyionType() == JunctionOfConnectionType.Arg)
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{
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env.RemoveConnectArgSourceAsync(Start.MyNode.Guid, End.MyNode.Guid, ArgIndex) ;
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}
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}
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/// <summary>
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@@ -252,280 +249,26 @@ namespace Serein.Workbench.Node.View
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BezierLine.UpdatePoints(startPoint, endPoint);
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}
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private Point rightCenterOfStartLocation; // 目标节点选择左侧边缘中心
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private Point leftCenterOfEndLocation; // 起始节点选择右侧边缘中心
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/// <summary>
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/// 刷新坐标
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/// </summary>
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#region 工具方法
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private (Point startPoint,Point endPoint) RefreshPoint(Canvas canvas, FrameworkElement startElement, FrameworkElement endElement)
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private (Point startPoint, Point endPoint) RefreshPoint(Canvas canvas, FrameworkElement startElement, FrameworkElement endElement)
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{
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var startPoint = startElement.TranslatePoint(rightCenterOfStartLocation, canvas); // 获取起始节点的中心位置
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var endPoint = endElement.TranslatePoint(leftCenterOfEndLocation, canvas); // 计算终点位置
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return (startPoint, endPoint);
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}
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#endregion
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}
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/*
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/// <summary>
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/// 连接控件,表示控件的连接关系
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/// </summary>
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public class ConnectionControl : Shape
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{
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private readonly Action RemoteCallback;
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/// <summary>
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/// 关于调用
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/// </summary>
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/// <param name="Canvas"></param>
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/// <param name="Type"></param>
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public ConnectionControl(Canvas Canvas,
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ConnectionInvokeType Type,
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JunctionControlBase Start,
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JunctionControlBase End,
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Action remoteCallback)
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{
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this.RemoteCallback = remoteCallback;
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this.Canvas = Canvas;
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this.Type = Type;
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this.Start = Start;
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this.End = End;
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this.Start.Background = GetLineColor(Type); // 线条颜色
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this.End.Background = GetLineColor(Type); // 线条颜色
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InitElementPoint();
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}
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/// <summary>
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/// 关于入参
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/// </summary>
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/// <param name="Canvas"></param>
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/// <param name="Type"></param>
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public ConnectionControl(Canvas Canvas,
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int argIndex,
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ConnectionArgSourceType connectionArgSourceType,
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JunctionControlBase Start,
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JunctionControlBase End,
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Action remoteCallback)
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{
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this.RemoteCallback = remoteCallback;
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this.Canvas = Canvas;
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this.ArgIndex = ArgIndex;
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this.ConnectionArgSourceType = connectionArgSourceType;
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this.Start = Start;
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this.End = End;
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this.Start.Background = GetLineColor(Type); // 线条颜色
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this.End.Background = GetLineColor(Type); // 线条颜色
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InitElementPoint();
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}
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/// <summary>
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/// 所在的画布
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/// </summary>
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public Canvas Canvas { get; }
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/// <summary>
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/// 调用方法类型,连接类型
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/// </summary>
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public ConnectionInvokeType Type { get; }
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/// <summary>
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/// 获取参数类型,第几个参数
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/// </summary>
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public int ArgIndex { get; set; } = -1;
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/// <summary>
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/// 参数来源(决定了连接线的样式)
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/// </summary>
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public ConnectionArgSourceType ConnectionArgSourceType { get; set; }
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/// <summary>
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/// 起始控制点
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/// </summary>
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public JunctionControlBase Start { get; set; }
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/// <summary>
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/// 目标控制点
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/// </summary>
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public JunctionControlBase End { get; set; }
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/// <summary>
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/// 配置连接曲线的右键菜单
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/// </summary>
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/// <param name="line"></param>
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private void ConfigureLineContextMenu(ConnectionControl connection)
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{
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var contextMenu = new ContextMenu();
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contextMenu.Items.Add(MainWindow.CreateMenuItem("删除连线", (s, e) => DeleteConnection(connection)));
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connection.ContextMenu = contextMenu;
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}
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/// <summary>
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/// 删除该连线
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/// </summary>
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/// <param name="line"></param>
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private void DeleteConnection(ConnectionControl connection)
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{
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var connectionToRemove = connection;
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if (connectionToRemove is null)
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{
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return;
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}
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if(this.Start is JunctionControlBase startJunctionControlBase)
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{
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startJunctionControlBase.Background = Brushes.Transparent;
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}
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if (this.End is JunctionControlBase endJunctionControlBase)
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{
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endJunctionControlBase.Background = Brushes.Transparent;
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}
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this.Canvas.g
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RemoteCallback?.Invoke();
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}
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/// <summary>
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/// 移除
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/// </summary>
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public void RemoveFromCanvas()
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{
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Canvas.Children.Remove(this); // 移除线
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}
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/// <summary>
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/// 重新绘制
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/// </summary>
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public void AddOrRefreshLine()
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{
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this.InvalidateVisual();
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}
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public void InitElementPoint()
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{
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leftCenterOfEndLocation = new Point(0, End.ActualHeight / 2); // 目标节点选择左侧边缘中心
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rightCenterOfStartLocation = new Point(Start.ActualWidth, Start.ActualHeight / 2); // 起始节点选择右侧边缘中心
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brush = GetLineColor(Type); // 线条颜色
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hitVisiblePen = new Pen(Brushes.Transparent, 1.0); // 初始化碰撞检测线
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hitVisiblePen.Freeze(); // Freeze以提高性能
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visualPen = new Pen(brush, 2.0); // 默认可视化Pen
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visualPen.Freeze(); // Freeze以提高性能
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ConfigureLineContextMenu(this); // 设置连接右键事件
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linkSize = 4; // 整线条粗细
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Canvas.Children.Add(this); // 添加线
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Grid.SetZIndex(this, -9999999); // 置底
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}
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/// <summary>
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/// 控件重绘事件
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/// </summary>
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/// <param name="drawingContext"></param>
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protected override void OnRender(DrawingContext drawingContext)
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{
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RefreshPoint(Canvas, this.Start, this.End); // 刷新坐标
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DrawBezierCurve(drawingContext, startPoint, endPoint, linkSize, brush); // 刷新线条显示位置
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}
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private readonly StreamGeometry streamGeometry = new StreamGeometry();
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private Point rightCenterOfStartLocation; // 目标节点选择左侧边缘中心
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private Point leftCenterOfEndLocation; // 起始节点选择右侧边缘中心
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private Pen hitVisiblePen; // 初始化碰撞检测线
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private Pen visualPen; // 默认可视化Pen
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private Point startPoint; // 连接线的起始节点
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private Point endPoint; // 连接线的终点
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private Brush brush; // 线条颜色
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double linkSize; // 根据缩放比例调整线条粗细
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protected override Geometry DefiningGeometry => streamGeometry;
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#region 工具方法
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public void RefreshPoint(Canvas canvas, FrameworkElement startElement, FrameworkElement endElement)
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{
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endPoint = endElement.TranslatePoint(leftCenterOfEndLocation, canvas); // 计算终点位置
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startPoint = startElement.TranslatePoint(rightCenterOfStartLocation, canvas); // 获取起始节点的中心位置
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}
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/// <summary>
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/// 根据连接类型指定颜色
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/// </summary>
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/// <param name="currentConnectionType"></param>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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public static SolidColorBrush GetLineColor(ConnectionInvokeType currentConnectionType)
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{
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return currentConnectionType switch
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{
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ConnectionInvokeType.IsSucceed => new SolidColorBrush((Color)ColorConverter.ConvertFromString("#04FC10")),
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ConnectionInvokeType.IsFail => new SolidColorBrush((Color)ColorConverter.ConvertFromString("#F18905")),
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ConnectionInvokeType.IsError => new SolidColorBrush((Color)ColorConverter.ConvertFromString("#FE1343")),
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ConnectionInvokeType.Upstream => new SolidColorBrush((Color)ColorConverter.ConvertFromString("#4A82E4")),
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_ => throw new Exception(),
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};
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}
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private Point c0, c1; // 用于计算贝塞尔曲线控制点逻辑
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private Vector axis = new Vector(1, 0);
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private Vector startToEnd;
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private void DrawBezierCurve(DrawingContext drawingContext,
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Point start,
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Point end,
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double linkSize,
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Brush brush,
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bool isHitTestVisible = false,
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double strokeThickness = 1.0,
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bool isMouseOver = false,
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double dashOffset = 0.0)
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{
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// 控制点的计算逻辑
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double power = 8 * 8; // 控制贝塞尔曲线的“拉伸”强度
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// 计算轴向向量与起点到终点的向量
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//var axis = new Vector(1, 0);
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startToEnd = (end.ToVector() - start.ToVector()).NormalizeTo();
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// 计算拉伸程度k,拉伸与水平夹角正相关
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var k = 1 - Math.Pow(Math.Max(0, axis.DotProduct(startToEnd)), 10.0);
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// 如果起点x大于终点x,增加额外的偏移量,避免重叠
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var bias = start.X > end.X ? Math.Abs(start.X - end.X) * 0.25 : 0;
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// 控制点的实际计算
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c0 = new Point(+(power + bias) * k + start.X, start.Y);
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c1 = new Point(-(power + bias) * k + end.X, end.Y);
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// 准备StreamGeometry以用于绘制曲线
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streamGeometry.Clear();
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using (var context = streamGeometry.Open())
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{
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context.BeginFigure(start, true, false); // 曲线起点
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context.BezierTo(c0, c1, end, true, false); // 画贝塞尔曲线
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}
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drawingContext.DrawGeometry(null, visualPen, streamGeometry);
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// 绘制碰撞检测线
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//if (true)
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//{
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// //hitVisiblePen = new Pen(Brushes.Transparent, linkSize + strokeThickness);
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// //hitVisiblePen.Freeze();
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// drawingContext.DrawGeometry(null, hitVisiblePen, streamGeometry);
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//}
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//else
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//{
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//}
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}
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#endregion
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}
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*/
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