/// <summary>
/// 更新线及箭头
/// </summary>
/// <param name="canvas"></param>
/// <param name="networkNode"></param>
/// <param name="pointEnd"></param>
/// <param name="isNoRef"></param>
/// <returns></returns>
private void DrawLineAndArrow(Canvas canvas, NetworkNodeShape networkNode, Point pointEnd, bool isNoRef = false)
{
Dictionary <string, Tuple <Point, Point> > LinePointsTmp = new Dictionary <string, Tuple <Point, Point> >();
Dictionary <string, List <UIElement> > LinesTmp = new Dictionary <string, List <UIElement> >();
var currLinePoints = isNoRef ? this.LinePoints.Where(a => networkNode.LinePoints.ContainsKey(a.Key)) : this.LinePoints.Where(a => networkNode.LinePointsRef.ContainsKey(a.Key));
var currShowMsgArrows = isNoRef ? this.ShowMsgArrows.Where(a => networkNode.ShowMsgArrows.ContainsKey(a.Key)) : this.ShowMsgArrows.Where(a => networkNode.ShowMsgArrowsRef.ContainsKey(a.Key));
var currlines = isNoRef ? this.Lines.Where(a => networkNode.Lines.ContainsKey(a.Key)) : this.Lines.Where(a => networkNode.LinesRef.ContainsKey(a.Key));
//清理线及点
foreach (var item in currlines)
{
canvas.Clear(item.Value);
}
//重新画线-收到的
foreach (var item in currLinePoints)
{
var point1 = pointEnd;
var point2 = item.Value.Item2;
if (!isNoRef)
{
point1 = item.Value.Item1;
point2 = pointEnd;
}
string showmsg = currShowMsgArrows.Where(a => a.Key == item.Key).First().Value;
//线
var currLine = canvas.DrawLine(point1, point2, Brushes.Black, false, 1, showmsg);
Canvas.SetZIndex(currLine, -1);
//画箭头
var currArrow = canvas.DrawTextArrow(point1, point2, showmsg);
LinePointsTmp[item.Key] = new Tuple <Point, Point>(point1, point2);
LinesTmp[item.Key] = new List <UIElement>()
{
currLine, currArrow
};
}
foreach (var item in LinesTmp)
{
this.Lines[item.Key] = item.Value;
}
foreach (var item in LinePointsTmp)
{
this.LinePoints[item.Key] = item.Value;
}
}
private void DrawNodeShape(Canvas canvas, Point pointPlace, KeyValuePair <int, List <NodeTopological> > levelNode, NodeTopological currNode)
{
NetworkNodeShape networkNodeShape = new NetworkNodeShape()
{
Key = currNode.Key
};
Point pointText = new Point(pointPlace.X - networkNodeShape.Width / 2, pointPlace.Y - networkNodeShape.Height / 2);
string toShowDesc = currNode.NodeInfo.Key;
string toShowName = currNode.NodeInfo.typeDesc;
networkNodeShape.rShowNode.Fill = new SolidColorBrush(Colors.Red);
networkNodeShape.txtDesc.Text = toShowDesc;
networkNodeShape.txtName.Text = toShowName;
networkNodeShape.PointNow = pointText;
canvas.Children.Add(networkNodeShape);
canvas.SetLeftTop(networkNodeShape, pointText);
networkNodeShapesList.Add(networkNodeShape);
}
/// <summary>
/// 刷新线及点
/// </summary>
/// <param name="networkNode"></param>
public void NetworkNodeShapePlaceChangeEnd(NetworkNodeShape networkNode, bool isRefPlace = false)
{
try
{
Canvas canvas = (Canvas)this.Content;
Point pointEnd = new Point(networkNode.PointNow.X + networkNode.Width / 2, networkNode.PointNow.Y + networkNode.Height / 2);
if (isRefPlace)
{
Point pointText = new Point(networkNode.PointNow.X - networkNode.Width / 2, networkNode.PointNow.Y - networkNode.Height / 2);
pointEnd = networkNode.PointNow;
canvas.SetLeftTop(networkNode, pointText);
}
DrawLineAndArrow(canvas, networkNode, pointEnd, false);
DrawLineAndArrow(canvas, networkNode, pointEnd, true);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
