CS_GIS/GIS/GISUI.Win.ArcGIS/Standard/UpdateDomain.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ESRI.ArcGIS.Geodatabase;
using ForeStar.Core.Context;
using ForeStar.Core.Context.Support;
using ForeStar.DataUI;
using ForeStar.Core.Stereotype;

namespace ForeStar.GIS.ArcGIS.Util
{
    /// <summary>
    /// 更新字典域
    /// </summary>
    [Component(IsSingleton = "false", Name = "IUpdateDomain")]
    public class UpdateDomain : IUpdateDomain
    {
        /// <summary>
        /// 从结构同步字典域
        /// </summary>
        /// <param name="pTable"></param>
        /// <returns></returns>
        public bool SynchorDomainFormStructure(ForeStar.Data.General.ITable pTable)
        {
            if (pTable == null) return false;
            if (pTable.MetadataTable == null) return false;
            ForeStar.GIS.SpatialDatabase.IFeatureClass pFsFeatureClass = pTable as ForeStar.GIS.SpatialDatabase.IFeatureClass;
            IWorkspace pEsriWorkspace = pFsFeatureClass.Workspace.InnerObject as IWorkspace;
            ForeStar.Data.Metadata.MetadataField pMetadataField = null;
            ESRI.ArcGIS.Geodatabase.IWorkspaceDomains2 pWorkspaceDomains = pEsriWorkspace as ESRI.ArcGIS.Geodatabase.IWorkspaceDomains2;
            ESRI.ArcGIS.Geodatabase.IFeatureClass pEsriFeatureClass = pFsFeatureClass.InnerObject as ESRI.ArcGIS.Geodatabase.IFeatureClass;
            IClassSchemaEdit pClassSchemaEdit = (IClassSchemaEdit)pEsriFeatureClass;
            foreach (ForeStar.Data.General.Field pField in pTable.Fields)
            {
                pMetadataField = pTable.MetadataTable.GetField(pField.FieldName);
                if (pMetadataField.IsCode)
                {
                    string strCodeWhere = GetCodeWhere(pMetadataField.CodeTableWhere);
                    //先删除字典域
                    DeleteDomain(pEsriWorkspace, strCodeWhere);
                    //添加
                    Dictionary<string, string> pDicDomain = pMetadataField.Domain;
                    ICodedValueDomain pCodeValueDomain = new CodedValueDomainClass();
                    foreach (KeyValuePair<string, string> pTemp in pDicDomain)
                    {
                        IDomain pDomain = pWorkspaceDomains.get_DomainByName(strCodeWhere);
                        pCodeValueDomain.AddCode(pTemp.Key, pTemp.Value);
                    }
                    IDomain pNewDomain = pCodeValueDomain as IDomain;
                    pNewDomain.Name = strCodeWhere;
                    pNewDomain.FieldType = esriFieldType.esriFieldTypeString;
                    pNewDomain.SplitPolicy = esriSplitPolicyType.esriSPTDuplicate;
                    pNewDomain.MergePolicy = esriMergePolicyType.esriMPTDefaultValue;
                    pWorkspaceDomains.AddDomain(pNewDomain);
                    pClassSchemaEdit.AlterDomain(pField.FieldName, pNewDomain);
                }
            }
            return true;
        }

        /// <summary>
        /// 删除字典域名
        /// </summary>
        /// <param name="strDomainName"></param>
        private void DeleteDomain(IWorkspace pWorkspace, string strDomainName)
        {
            IWorkspaceDomains pWorkspaceDomains = pWorkspace as IWorkspaceDomains;
            if (pWorkspaceDomains.get_DomainByName(strDomainName) != null)
            {
                if (pWorkspaceDomains.get_CanDeleteDomain(strDomainName))
                {
                    pWorkspaceDomains.DeleteDomain(strDomainName);
                }
            }
        }

        /// <summary>
        /// 获得字典域值
        /// </summary>
        /// <param name="strCodeTableWhere"></param>
        /// <returns></returns>
        private string GetCodeWhere(string strCodeTableWhere)
        {
            string strResult = null;
            if (strCodeTableWhere.Contains('\''))
            {
                int istartIndex = strCodeTableWhere.IndexOf('\'');
                int iFinishIndex = -1;
                for (int i = istartIndex + 1; i < strCodeTableWhere.Length; i++)
                {
                    if (strCodeTableWhere.Substring(i, 1) == "'")
                    {
                        iFinishIndex = i;
                        break;
                    }
                }
                if (iFinishIndex < istartIndex)
                {
                    strResult = strCodeTableWhere.Substring(istartIndex + 1);
                }
                else
                {
                    strResult = strCodeTableWhere.Substring(istartIndex + 1, iFinishIndex - istartIndex - 1);
                }
            }
            return strResult;
        }

    }
}