GIS_cs/WWPipeLine/WWPipeLine.Map/Tools/Conditions/Statistics/GXCZStatistics.cs

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

namespace WWPipeLine.MapTools.Conditions.Statistics
{
    public partial class GXCZStatistics : ConditionPanel
    {
        private DatasetVector _dv;
        private DatasetVectorEx _dvEx;
        public GXCZStatistics() : base()
        {
            this.ConditionPanelName = "按管线的材质统计";
            InitializeComponent();
        }
        protected override void OnLoad(EventArgs e)
        {
            //this.ParentForm.Controls.Find("m_BtnOK",false)[0]
        }
        public override object Do(DockPanel dockPanel = null)
        {
            _dvEx = new DatasetVectorEx(_dv.Name) { DatasetVector = _dv };
            return _dvEx.GetValCountSumByField("cz", "cd", new string[] { "材质", "数量(段)", "长度(米)" });
        }
        public override bool ConditionValid()
        {
            _dv = this.DatasourceMapControl.Datasets["JSLK"] as DatasetVector;
            if (_dv == null)
            {
                Sunny.UI.UIMessageTip.ShowError("当前数据源中不包含相应的矢量数据集");
                return false;
            }
            return true;
        }
    }
}