WEP_V2.1.3/SourceCode/We.Zero/IwbYue.Zero/IwbDataQuery/IwbDataSource.cs

using System;
using IwbZero.IwbBase;
using IwbZero.ToolCommon.StringModel;

namespace IwbZero.IwbDataQuery
{
    public class IwbDataSource
    {
        public IwbDataSource(IwbDsSourceType poDataSourceType, string pcDataSourceId)
        {
            DataSourceType = poDataSourceType;
            DataSourceId = pcDataSourceId;
        }
        public IwbDataSource(string pcId, string pcName, string pcDataSourceId, IwbDsSourceType peType) :this(peType,pcDataSourceId)
        {
            AutoOpen = false;
            DSId = pcId;
            DSName = pcName;
            
        }

        public static IwbDataSource ConvertFrom(IwbXmlNode poNode)
        {
            string childValue = poNode.GetChildValue("Id");
            string pcString = poNode.GetChildValue("Content");
            string pcName = poNode.GetChildValue("Name");
            bool flag = poNode.GetChildValue("Open").StrToBool();
            IwbDataSource source = ConvertFrom(pcString);
            if (source != null)
            {
                return new IwbDataSource(childValue, pcName, source.DataSourceId, source.DataSourceType) { AutoOpen = flag };
            }
            return null;
        }

        public static IwbDataSource ConvertFrom(string pcId, string pcName, string pcContent)
        {
            IwbDataSource source = ConvertFrom(pcContent);
            if (source != null)
            {
                return new IwbDataSource(pcId, pcName, source.DataSourceId, source.DataSourceType);
            }
            return null;
        }
        public static IwbDataSource ConvertFrom(string pcString)
        {
            Array array = pcString.StrToArray();
            if (array.Length != 2)
            {
                return null;
            }
            string str = array.GetValue(0).ToString().UAndT();
            IwbDsSourceType table = IwbDsSourceType.Table;
            switch (str)
            {
                case "QUERY":
                    table = IwbDsSourceType.Query;
                    break;

                case "VIEW":
                    table = IwbDsSourceType.View;
                    break;
            }
            return new IwbDataSource(table, array.GetValue(1).ToString());
        }
        public string DataSourceToString()
        {
            return base.ToString();
        }

        public IwbXmlNode GetXmlNode()
        {
            IwbXmlNode node = new IwbXmlNode("DataSource", "");
            node.AddChild(new IwbXmlNode("Id", DSId));
            node.AddChild(new IwbXmlNode("Content", DataSourceToString()));
            node.AddChild(new IwbXmlNode("Name", DSName));
            node.AddChild(new IwbXmlNode("Open", AutoOpen.ToString()));
            return node;

             
        }

        public override string ToString()
        {
            return DSName;
        }

        public bool AutoOpen { get; set; }


        public string DSId { get; }

        public string DSName { get; }


        public IwbQuery GetData()
        {
            return GetData(DataSourceId);
        }

        public IwbQuery GetData(string sourceId)
        {
            return new IwbQuery(sourceId);
        }

        public void SaveData()
        {
            Data.SaveToXml();
        }

        public IwbQuery Data { get; set; }

        public string DataSourceId { get; set; }

        public IwbDsSourceType DataSourceType { get; set; }

        public bool IsEmpty
        {
            get
            {
                if (DataSourceType != IwbDsSourceType.Empty)
                {
                    return (DataSourceId == "");
                }
                return true;
            }
        }


    }
}