namespace Yw.WinFrmUI.HydroL2d
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{
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/// <summary>
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///
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/// </summary>
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public partial class Network
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{
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/// <summary>
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/// 判断是否存在
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/// </summary>
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public bool IsExist(string id)
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{
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return _parters.Exists(x => x.Id == id);
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}
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/// <summary>
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/// 获取边界
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/// </summary>
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public RectangleF GetBounds()
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{
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var result = RectangleF.Empty;
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bool firstPass = true;
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foreach (var node in this.Nodes)
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{
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var rectf = new RectangleF(node.Position, SizeF.Empty);
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if (firstPass)
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{
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result = rectf;
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firstPass = false;
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}
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else
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{
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result = RectangleF.Union(result, rectf);
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}
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}
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foreach (var link in this.Links)
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{
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foreach (var position in link.Positions)
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{
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var rectf = new RectangleF(link.StartPosition, SizeF.Empty);
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if (firstPass)
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{
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result = rectf;
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firstPass = false;
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}
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else
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{
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result = RectangleF.Union(result, rectf);
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}
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}
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}
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return result;
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}
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/// <summary>
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/// 绘制
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/// </summary>
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public void Draw(Graphics g)
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{
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foreach (var link in this.Links)
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{
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link.Draw(g);
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}
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foreach (var node in this.Nodes)
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{
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node.Draw(g);
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}
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}
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/// <summary>
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/// 绘制
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/// </summary>
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/// <param name="g"></param>
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/// <param name="dispRectf">显示区域</param>
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public void Draw(Graphics g, RectangleF dispRectf)
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{
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foreach (var link in this.Links)
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{
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if (link.Intersect(dispRectf))
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{
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link.Draw(g);
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}
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}
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foreach (var node in this.Nodes)
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{
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if (node.Intersect(dispRectf))
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{
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node.Draw(g);
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}
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}
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}
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/// <summary>
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/// 选择
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/// </summary>
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public List<Parter> Select(PointF pt)
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{
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int i = 0;
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foreach (var node in this.Nodes)
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{
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node.Selected = node.Contains(pt);
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if (node.Selected)
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{
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i++;
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}
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}
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if (i > 0)
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{
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this.Links.ForEach(x => x.Selected = false);
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return this.Nodes.Where(x => x.Selected).Select(x => x as Parter).ToList();
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}
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foreach (var link in this.Links)
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{
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link.Selected = link.Contains(pt);
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}
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return this.Links.Where(x => x.Selected).Select(x => x as Parter).ToList();
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}
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/// <summary>
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/// 悬停
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/// </summary>
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public List<Parter> Hover(PointF pt)
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{
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int i = 0;
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foreach (var node in this.Nodes)
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{
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node.Hovered = node.Contains(pt);
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if (node.Hovered)
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{
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i++;
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}
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}
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if (i > 0)
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{
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this.Links.ForEach(x => x.Hovered = false);
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return this.Nodes.Where(x => x.Hovered).Select(x => x as Parter).ToList();
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}
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foreach (var link in this.Links)
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{
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link.Hovered = link.Contains(pt);
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}
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return this.Links.Where(x => x.Hovered).Select(x => x as Parter).ToList();
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}
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}
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}
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