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
	{
		private int startEdgeID = 0;
		private int endEdgeID = 0;
		private static readonly string NetworkDatasetName = "BuildNetworkDataset";
		public LianTong() : base()
		{
			this.ConditionPanelName = "连通分析";
			var analystToolStripButton = new ToolStripButton()
			{
				DisplayStyle = ToolStripItemDisplayStyle.ImageAndText,
				Text = "开始分析",
				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;
		}
		protected override void OnLoad(EventArgs e)
		{
			MapControl.GeometrySelectChanged += MapControl_GeometrySelectChanged;
			if (ComsStatic.Datasource.Datasets.Contains(NetworkDatasetName))
				ComsStatic.Datasource.Datasets.Delete(NetworkDatasetName);
			//NetworkBuilder.BuildNetwork(ComsStatic.dvJSLK, ComsStatic.dvJSJDPT, "objectid", "qsdh", "zddh", "bsm", ComsStatic.Datasource, NetworkDatasetName);
			//NetworkBuilder.BuildNetwork(ComsStatic.dvJSLK, new string[] { "qsdh", "zddh" }, ComsStatic.Datasource, NetworkDatasetName);
			NetworkBuilder.BuildNetwork(ComsStatic.dvJSLK, ComsStatic.dvJSJDPT, "objectid", "qsdh", "zddh", "bsm", ComsStatic.Datasource, NetworkDatasetName);

		}
		private void AnalystToolStripButton_Click(object sender, EventArgs e)
		{
			if (startEdgeID == 0 || endEdgeID == 0) { Sunny.UI.UIMessageTip.ShowError("请选择两根需要分析的管线", 2000); return; }

			DatasetVector dv = ComsStatic.Datasource.Datasets[NetworkDatasetName] as DatasetVector;
			FacilityAnalystSetting analystSetting = new FacilityAnalystSetting();
			analystSetting.NetworkDataset = dv;
			analystSetting.NodeIDField = "SmNodeID";
			analystSetting.EdgeIDField = "objectid";//objectid  SmEdgeID
			analystSetting.FNodeIDField = "SmFNode";
			analystSetting.TNodeIDField = "SmTNode";
			analystSetting.DirectionField = "lx";
			analystSetting.Tolerance = 0.001;

			WeightFieldInfo info = new WeightFieldInfo();
			info.Name = "length";
			info.FTWeightField = "SmLength";
			info.TFWeightField = "SmLength";
			WeightFieldInfos infos = new WeightFieldInfos();
			infos.Add(info);
			analystSetting.WeightFieldInfos = infos;

			FacilityAnalyst m_facilityAnalyst = new FacilityAnalyst();
			m_facilityAnalyst.AnalystSetting = analystSetting;
			m_facilityAnalyst.Load();

			FacilityAnalystResult resultEdges = m_facilityAnalyst.FindPathFromEdges(startEdgeID, endEdgeID, "length", true);
			if (resultEdges is null) { Sunny.UI.UIMessageTip.ShowWarning("选择的管线不连通"); return; }

			DataSet ds = new DataSet();
			Recordset rdJSLK = ComsStatic.dvJSLK.Query(string.Format("objectid in ({0})", string.Join(",", resultEdges.Edges)), CursorType.Static);
			DataTable dtJSLK = ComsStatic.RecordsetToDataTable(rdJSLK, string.Format("经过{0}根管线", rdJSLK.RecordCount));
			ds.Tables.Add(dtJSLK);

			//Recordset rdJSJDPT = dv.ChildDataset.Query(resultEdges.Nodes, "SmNodeID", CursorType.Static);
			//DataTable dtJSJDPT = ComsStatic.RecordsetToDataTable(rdJSJDPT, string.Format("经过{0}个节点", rdJSJDPT.RecordCount));
			//ds.Tables.Add(dtJSJDPT);

			AnalystResultTabControl from = new AnalystResultTabControl(ds, "连通性分析结果");
			from.ShowDialog();
			m_facilityAnalyst.Dispose();
			this.CloseToolBar();
		}
		private void ReSelect_Click(object sender, EventArgs e)
		{
			startEdgeID = 0; endEdgeID = 0;
			MapControl.Map.TrackingLayer.Clear();
			MapControl.Map.Refresh();
		}


		private void MapControl_GeometrySelectChanged(object sender, SuperMap.UI.GeometrySelectChangedEventArgs e)
		{
			Selection[] _selection = 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"); return;
			}
			if (startEdgeID == 0)
				startEdgeID = ComsStatic.StringToInt(_selection[0].ToRecordset().GetFieldValue("objectid"));
			else
				endEdgeID = ComsStatic.StringToInt(_selection[0].ToRecordset().GetFieldValue("objectid"));

			MapControl.Map.TrackingLayer.Clear();
			Recordset rd = ComsStatic.dvJSLK.Query(string.Format("objectid in ({0},{1})", startEdgeID, endEdgeID), CursorType.Static);
			GeoStyle style = new GeoStyle { LineWidth = 1.2, 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()
		{
			if (ComsStatic.Datasource.Datasets.Contains(NetworkDatasetName))
				ComsStatic.Datasource.Datasets.Delete(NetworkDatasetName);
			MapControl.GeometrySelectChanged -= MapControl_GeometrySelectChanged;
			base.AfterClose();
		}


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

		}


	}
}