pipeline-cs/WWPipeLine/WWPipeLine.Map/Tools/Conditions/AnalystToolBar/HuanChong.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using WWPipeLine.MapBasic.Conditions;
using WWPipeLine.MapBasic;
using SuperMap.Data;
using WeifenLuo.WinFormsUI.Docking;
using SuperMap.Mapping;

namespace WWPipeLine.MapTools.Conditions.AnalystToolBar
{
	public partial class HuanChong : ConditionPanel
	{
		Point2D pClick;
		GeoCircle geoCircle = null;
		public HuanChong()
		{
			this.ConditionPanelName = "缓冲区分析";
			InitializeComponent();
			this.SetSize(300, 200);
		}
		protected override void OnLoad(EventArgs e)
		{
			MapControl.MouseDoubleClick += MapControl_MouseDoubleClick;
		}
		public override object Do(DockPanel dockPanel = null)
		{
			if (geoCircle == null) { Sunny.UI.UIMessageTip.ShowError("请先生成分析范围"); return false; }
			List<DataTable> dts = new List<DataTable>();
			Recordset _rd = null;
			DatasetVector dv = null;
			DataTable dt = null;
			foreach (Layer lyr in ComsStatic.MapLayersUsed)
			{
				dv = lyr.Dataset as DatasetVector;
				if (dv is null || dv.RecordCount == 0) continue;
				_rd = dv.Query(geoCircle, 0, "", CursorType.Static);
				if (_rd is null || _rd.RecordCount == 0) continue;
				dt = ComsStatic.RecordsetToDataTable(_rd);
				dt.TableName = lyr.Caption;
				dts.Add(dt);
			}
			ComsStatic.RecordsetDispose(_rd);
			return dts;
		}
		private void MapControl_MouseDoubleClick(object sender, MouseEventArgs e)
		{
			pClick = MapControl.Map.PixelToMap(new Point(e.X, e.Y));
			GeoPoint geoPoint = new GeoPoint(pClick);
			geoPoint.Style = ComsStatic.geoStyle_Red_Mark5mm;
			MapControl.Map.TrackingLayer.Clear();
			MapControl.Map.TrackingLayer.Add(geoPoint, "jiedian");
			MapControl.Map.RefreshTrackingLayer();
		}
		public override void AfterClose()
		{
			MapControl.MouseDoubleClick -= MapControl_MouseDoubleClick;
			base.AfterClose();
		} 

		private void uiButton1_Click(object sender, EventArgs e)
		{
			if (pClick.X == 0) { Sunny.UI.UIMessageTip.ShowError("请先在地图中双击确定圆形中心点"); return; }
			geoCircle = new GeoCircle() { Center = pClick, Radius = ComsStatic.StringToDouble(uitbBanjing.Text) };
			geoCircle.Style = ComsStatic.geoStyle_Red_1mm_OpaqueRate;
			MapControl.Map.TrackingLayer.Add(geoCircle, "yuanxing");
			MapControl.Map.RefreshTrackingLayer();
		} 
	}
}