GIS_cs/WWPipeLine/WWPipeLine.Map/Tools/Conditions/Sercher/cxDuoBianXing.cs

using SuperMap.Data;
using SuperMap.Mapping;
using SuperMap.UI;
using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using WeifenLuo.WinFormsUI.Docking;
using WWPipeLine.MapBasic;
using WWPipeLine.MapBasic.Conditions;

namespace WWPipeLine.MapTools.Conditions.Sercher
{
	public class cxDuoBianXing : ConditionPanel
	{
		GeoRegion m_geo = null;
		private Sunny.UI.UIGroupBox uigbLayer;
		private LayerWithDataListPanel LayerPanel;
		public cxDuoBianXing()  
		{
			this.ConditionPanelName = "多边形查询";
			InitializeComponent(); 
		}
		protected override void OnLoad(EventArgs e)
		{
			LayerPanel = new LayerWithDataListPanel();
			LayerPanel.LoadToVector(true, true, true);
			uigbLayer.Controls.Add(LayerPanel);

			MapControl.Action = SuperMap.UI.Action.CreatePolygon;
			MapControl.Tracked += new TrackedEventHandler(TrackedHandler);
		}
		private void TrackedHandler(object sender, TrackedEventArgs e)
		{
			if (e.Geometry is null) return;
			m_geo = e.Geometry.Clone() as GeoRegion;
			if (m_geo is null) { Sunny.UI.UIMessageTip.ShowError("查询区域绘制失败"); return; }
			m_geo.Style = ComsStatic.geoStyle_Red_1mm_OpaqueRate;
			MapControl.Map.TrackingLayer.Clear();
			MapControl.Map.TrackingLayer.Add(m_geo, "GeoRegion");
			MapControl.Map.Refresh();
		}
		public override object Do(DockPanel dockPanel = null)
		{
			if (m_geo is null) { Sunny.UI.UIMessageTip.ShowError("请先绘制查询区域"); return false; }
			if (LayerPanel.SelectLayers.Count == 0)
			{
				Sunny.UI.UIMessageTip.ShowError("请先选择需要查询的图层"); return false;
			} 
			List<DataTable> dts = new List<DataTable>();
			Recordset _rd = null;
			DatasetVector dv = null;
			DataTable dt = null; 
			foreach (Layer lyr in LayerPanel.SelectLayers)
			{
				dv = lyr.Dataset as DatasetVector;
				if (dv is null || dv.RecordCount == 0) continue;
				_rd = dv.Query(m_geo, 1, "", 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;
		}
		public override void AfterClose()
		{
			MapControl.Tracked -= new TrackedEventHandler(TrackedHandler);
			base.AfterClose();
		}
		private void InitializeComponent()
		{
			this.uigbLayer = new Sunny.UI.UIGroupBox();
			this.SuspendLayout();
			// 
			// uigbLayer
			// 
			this.uigbLayer.Dock = System.Windows.Forms.DockStyle.Fill;
			this.uigbLayer.Font = new System.Drawing.Font("微软雅黑", 12F);
			this.uigbLayer.Location = new System.Drawing.Point(0, 0);
			this.uigbLayer.Margin = new System.Windows.Forms.Padding(4, 5, 4, 5);
			this.uigbLayer.MinimumSize = new System.Drawing.Size(1, 1);
			this.uigbLayer.Name = "uigbLayer";
			this.uigbLayer.Padding = new System.Windows.Forms.Padding(0, 32, 0, 0);
			this.uigbLayer.Size = new System.Drawing.Size(500, 315);
			this.uigbLayer.TabIndex = 1;
			this.uigbLayer.Text = "查询图层选择";
			this.uigbLayer.TextAlignment = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// cxDuoBianXing
			// 
			this.Controls.Add(this.uigbLayer);
			this.Name = "cxDuoBianXing";
			this.Size = new System.Drawing.Size(500, 315);
			this.ResumeLayout(false);

		}
	}
}