GIS_cs/WWPipeLine/WWPipeLine.Map/Tools/Conditions/AnalystToolBar/LianTong.cs

using SuperMap.Analyst.NetworkAnalyst;
using SuperMap.Data;
using SuperMap.Mapping;
using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.Windows.Forms;
using WWPipeLine.MapBasic;
using WWPipeLine.MapBasic.Conditions;

namespace WWPipeLine.MapTools.Conditions.AnalystToolBar
{
	public class LianTong : BasicToolBar
	{

		List<Int32> _selectSMID = new List<Int32>();
		public LianTong() : base()
		{
			this.ConditionPanelName = "连通分析";
			var analystToolStripButton = new ToolStripButton()
			{
				DisplayStyle = ToolStripItemDisplayStyle.ImageAndText,
				Text = "分析",
				Name = "Analyst",
				AutoToolTip = false
			};
			var reSelect = new ToolStripButton()
			{
				DisplayStyle = ToolStripItemDisplayStyle.ImageAndText,
				Text = "重新选择",
				Name = "reSelect",
				AutoToolTip = false
			};
			base.ToolStrip.Items.Add(reSelect);
			base.ToolStrip.Items.Add(analystToolStripButton);

			analystToolStripButton.Click += AnalystToolStripButton_Click;
			reSelect.Click += ReSelect_Click;
		}

		private void AnalystToolStripButton_Click(object sender, EventArgs e)
		{
			if (_selectSMID.Count != 2) { Sunny.UI.UIMessageTip.ShowError("请选择两根需要分析的管线", 2000); return; }
			Int32[] ids = _selectSMID.ToArray();

			//////DatasetVector m_pipeNet = 
			//NetworkBuilder.BuildNetwork(dvJSLK_cp, dvJSJDPT_cp, "smid", "smid", "smid", "smid", DatasourceMapControl, DatasourceMapControl.Datasets.GetAvailableDatasetName("BuildNetworkDataset"));

			//设施网络分析环境设置类。该类用于提供设施网络分析时所需要的所有参数信息。设施网络分析环境设置类的各个参数的设置直接影响分析的结果。 
			FacilityAnalystSetting analystSetting = new FacilityAnalystSetting();
			//analystSetting.NetworkDataset = DatasourceMapControl.Datasets["WaterNet"] as DatasetVector;
			analystSetting.NetworkDataset = ComsStatic.dvNetwork;
			analystSetting.NodeIDField = "SmID";// SmNodeID 设置网络数据集中标识结点 ID 的字段。
			analystSetting.EdgeIDField = "SmEdgeID";//SmID 设置网络数据集中标识弧段 ID 的字段。
			analystSetting.FNodeIDField = "SmFNode";//SmFNode 设置网络数据集中标识弧段起始结点 ID 的字段。
			analystSetting.TNodeIDField = "SmTNode";//SmTNode 设置网络数据集中标识弧段终止结点 ID 的字段。
			analystSetting.DirectionField = "lx";//Direction 设置流向字段。 不指定默认流向均为0
			analystSetting.Tolerance = 0.001;//设置点到弧段的距离容限。

			//权值字段信息类型，存储了网络分析中权值字段的相关信息，包括正向权值字段与反向权值字段。 
			WeightFieldInfo info = new WeightFieldInfo();
			info.Name = "length";//length 设置权值字段信息的名称。 
			info.FTWeightField = "SmLength"; // "SmLength";//设置正向阻力字段或字段表达式。 
			info.TFWeightField = "SmLength"; //"SmLength";//设置反向阻力字段或字段表达式。 
			WeightFieldInfos infos = new WeightFieldInfos();
			infos.Add(info);
			analystSetting.WeightFieldInfos = infos;

			//设施网络分析类。它是网络分析功能类之一，主要用于进行各类连通性分析和追踪分析。 
			FacilityAnalyst m_facilityAnalyst = new FacilityAnalyst();
			m_facilityAnalyst.AnalystSetting = analystSetting;
			m_facilityAnalyst.Load();

			FacilityAnalystResult resultEdges = m_facilityAnalyst.FindPathFromEdges(ids[0], ids[1], "length", true);

			if (resultEdges is null) { Sunny.UI.UIMessageTip.ShowWarning("选择的管线不连通", 5000); return; }
			Recordset rdJSLK = dvJSLK_cp.Query(resultEdges.Edges, CursorType.Static);
			DataTable dtJSLK = MapBasic.ComsStatic.RecordsetToDataTable(rdJSLK, string.Format("经过{0}根管线", rdJSLK.RecordCount));
			DataSet ds = new DataSet(); ds.Tables.Add(dtJSLK);
			AnalystResultTabControl from = new AnalystResultTabControl(ds, "连通性分析结果");
			from.ShowDialog();
			this.CloseToolBar();
		}
		private void ReSelect_Click(object sender, EventArgs e)
		{
			_selectSMID.Clear();
			base.AfterClose();
		}
		protected override void OnLoad(EventArgs e)
		{
			MapControl.GeometrySelectChanged += MapControl_GeometrySelectChanged;
		}

		private void MapControl_GeometrySelectChanged(object sender, SuperMap.UI.GeometrySelectChangedEventArgs e)
		{
			Selection[] _selection = base.MapControl.Map.FindSelection(true);
			if (_selection.Length != 1 || _selection[0].Count != 1)
			{
				Sunny.UI.UIMessageTip.ShowError("请选择一根需要分析的管线", 2000);
				return;
			}
			if (_selectSMID.Count == 2)
			{
				_selectSMID.RemoveAt(1);
			}
			_selectSMID.Add(Int32.Parse(_selection[0][0].ToString()));

			MapControl.Map.TrackingLayer.Clear();
			Recordset rd = dvJSLK_cp.Query(_selectSMID.ToArray(), CursorType.Static);
			GeoStyle style = new GeoStyle { LineWidth = 2, LineColor = Color.Red };
			Geometry geo;
			rd.MoveFirst();
			while (!rd.IsEOF)
			{
				geo = rd.GetGeometry(); geo.Style = style;
				MapControl.Map.TrackingLayer.Add(geo, "GeoRectangle");
				rd.MoveNext();
			}
			MapControl.Map.Refresh();
		}

		public override void AfterClose()
		{
			MapControl.GeometrySelectChanged -= MapControl_GeometrySelectChanged;
			base.AfterClose();
		}


		private void InitializeComponent()
		{
			this.SuspendLayout();
			// 
			// ToolsConditions
			// 
			this.Name = "ToolsConditions";
			this.ResumeLayout(false);

		}


	}
}