public int TryCeateObjectClass(IFeatureDataSet dataset, string Name, IFieldInfoCollection fields, string[] indexField, out IObjectClass oc)
{
oc = null;
if (((dataset == null) || string.IsNullOrEmpty(Name)) || (fields == null))
{
return(-1);
}
try
{
string[] namesByType = dataset.GetNamesByType(gviDataSetType.gviDataSetObjectClassTable);
if ((namesByType != null) && (Array.IndexOf <string>(namesByType, Name) != -1))
{
oc = dataset.OpenObjectClass(Name);
return(0);
}
oc = dataset.CreateObjectClass(Name, fields);
if (dataset == null)
{
return(-1);
}
IDbIndexInfo index = null;
if (indexField != null)
{
foreach (string str in indexField)
{
try
{
index = new DbIndexInfoClass
{
Name = string.Format("Index_{0}_{1}", oc.Id, str)
};
index.AppendFieldDefine(str, true);
oc.AddDbIndex(index);
}
catch (Exception exception)
{
}
}
}
return(1);
}
catch (Exception exception2)
{
return(-1);
}
}
public DbIndexBuffer(IDbIndexInfo info, IndexEditType type)
{
this.data = info;
this.et = type;
}
public myAttrIndex(IDbIndexInfo pDbIndex, bool bIsNew)
{
dbIndex = pDbIndex;
IsNew = bIsNew;
}
public FeatureClassIndexDlg(IFeatureClass pFc)
{
InitializeComponent();
featureCls = pFc;
fcFields = pFc.GetFields();
featureCls.LockType = gviLockType.gviLockExclusiveSchema;
List <string> geoFields = new List <string>();
for (int l = 0; l < fcFields.Count; l++)
{
IFieldInfo myField = fcFields.Get(l);
if (myField != null && myField.FieldType == gviFieldType.gviFieldGeometry)
{
geoFields.Add(myField.Name);
}
}
//读取FC的索引信息
//属性索引
IDbIndexInfoCollection DbIndexInfos = featureCls.GetDbIndexInfos();
if (DbIndexInfos != null)
{
for (int k = 0; k < DbIndexInfos.Count; k++)
{
IDbIndexInfo DbIndex = DbIndexInfos.Get(k);
if (DbIndex.FieldCount == 1)
{
string getName = DbIndex.GetFieldName(0);
int ind = fcFields.IndexOf(getName);
if (ind >= 0)
{
IFieldInfo unVaildField = fcFields.Get(ind);
if (unVaildField.FieldType == gviFieldType.gviFieldFID || unVaildField.FieldType == gviFieldType.gviFieldGeometry || unVaildField.FieldType == gviFieldType.gviFieldBlob)
{
continue;
}
}
else
{
continue;
}
}
AttrIndexList.Add(DbIndex.Name);
this.lb_AttrIndex.Items.Add(new myAttrIndex(DbIndex, false));
}
}
//空间索引
IIndexInfoCollection GridIndexInfos = featureCls.GetSpatialIndexInfos();
if (GridIndexInfos != null)
{
GridIndexHash = new Hashtable(GridIndexInfos.Count);
for (int k = 0; k < GridIndexInfos.Count; k++)
{
IGridIndexInfo GridIndex = GridIndexInfos.Get(k) as IGridIndexInfo;
if (GridIndex != null)
{
GridIndexHash.Add(GridIndex.GeoColumnName, GridIndex);
CheckIndexEdit GridIndexItem = new CheckIndexEdit(GridIndex.GeoColumnName);
GridIndexItem.ExistIndex = new IndexAboutGeometry(GridIndex.L1, GridIndex.L2, GridIndex.L3, true);
GridIndexItem.NewIndex = new IndexAboutGeometry(GridIndex.L1, GridIndex.L2, GridIndex.L3, true);
this.lb_SpatialIndexGeo.Items.Add(GridIndexItem);
}
}
foreach (string sGeoColumn in geoFields)
{
if (GridIndexHash.ContainsKey(sGeoColumn))
{
continue;
}
CheckIndexEdit GridIndexItem = new CheckIndexEdit(sGeoColumn);
GridIndexItem.ExistIndex = null;
GridIndexItem.NewIndex = new IndexAboutGeometry(0, 0, 0, false);
this.lb_SpatialIndexGeo.Items.Add(GridIndexItem);
}
}
//渲染索引
IIndexInfoCollection RenderIndexInfos = featureCls.GetRenderIndexInfos();
if (RenderIndexInfos != null)
{
RenderIndexHash = new Hashtable(RenderIndexInfos.Count);
for (int k = 0; k < RenderIndexInfos.Count; k++)
{
IRenderIndexInfo RenderIndex = RenderIndexInfos.Get(k) as IRenderIndexInfo;
if (RenderIndex != null)
{
RenderIndexHash.Add(RenderIndex.GeoColumnName, RenderIndex);
CheckIndexEdit RenderIndexItem = new CheckIndexEdit(RenderIndex.GeoColumnName);
RenderIndexItem.ExistIndex = new IndexAboutGeometry(RenderIndex.L1, 0, 0, true);
RenderIndexItem.NewIndex = new IndexAboutGeometry(RenderIndex.L1, 0, 0, true);
this.lb_RenderIndexGeo.Items.Add(RenderIndexItem);
}
}
foreach (string sGeoColumn in geoFields)
{
if (RenderIndexHash.ContainsKey(sGeoColumn))
{
continue;
}
CheckIndexEdit RenderIndexItem = new CheckIndexEdit(sGeoColumn);
RenderIndexItem.ExistIndex = null;
RenderIndexItem.NewIndex = new IndexAboutGeometry(0, 0, 0, false);
this.lb_RenderIndexGeo.Items.Add(RenderIndexItem);
}
//填充渲染索引的ListBoxControl控件，一个是lbc_FieldsAvailable，另一个是lbc_FieldsSelected
for (int k = 0; k < fcFields.Count; k++)
{
IFieldInfo fcField = fcFields.Get(k);
if (fcField.FieldType == gviFieldType.gviFieldFID || fcField.FieldType == gviFieldType.gviFieldGeometry || fcField.FieldType == gviFieldType.gviFieldBlob)
{
continue;
}
if (fcField.RegisteredRenderIndex)
{
this.lb_RenderField.Items.Add(new myFieldInfo(fcField));
RegRenderIndexFields.Add(fcField.Name);
RegRenderIndexHash.Add(fcField.Name, fcField);
}
else
{
this.lb_RenderAllField.Items.Add(new myFieldInfo(fcField));
}
}
}
}
private bool InitTempLib(IDataSource ds)
{
if (ds == null)
{
return(false);
}
IFieldInfoCollection fields = null;
IFieldInfo newVal = null;
ISpatialCRS spatialCRS = null;
ITable o = null;
IFeatureDataSet set = null;
try
{
fields = new FieldInfoCollectionClass();
newVal = new FieldInfoClass
{
Name = "ID",
Alias = "编号",
FieldType = gviFieldType.gviFieldFID
};
fields.Add(newVal);
newVal = new FieldInfoClass
{
Name = "LayerName",
Alias = "图层名称",
FieldType = gviFieldType.gviFieldString,
Length = 50
};
fields.Add(newVal);
newVal = new FieldInfoClass
{
Name = "DataSetName",
Alias = "数据集名称",
FieldType = gviFieldType.gviFieldString,
Length = 100
};
fields.Add(newVal);
newVal = new FieldInfoClass
{
Name = "FCName",
Alias = "要素类名称",
FieldType = gviFieldType.gviFieldString,
Length = 100
};
fields.Add(newVal);
newVal = new FieldInfoClass
{
Name = "FCGuid",
Alias = "要素类GUID",
FieldType = gviFieldType.gviFieldString,
Length = 100
};
fields.Add(newVal);
newVal = new FieldInfoClass
{
Name = "GeoType",
Alias = "空间列几何类型",
FieldType = gviFieldType.gviFieldString,
Length = 50
};
fields.Add(newVal);
newVal = new FieldInfoClass
{
Name = "RenderStyle",
Alias = "图层渲染样式",
FieldType = gviFieldType.gviFieldBlob
};
fields.Add(newVal);
newVal = new FieldInfoClass
{
Name = "SourceFile",
Alias = "数据来源",
FieldType = gviFieldType.gviFieldString,
Length = 150
};
fields.Add(newVal);
newVal = new FieldInfoClass
{
Name = "GroupId",
Alias = "逻辑组ID",
FieldType = gviFieldType.gviFieldInt32
};
fields.Add(newVal);
newVal = new FieldInfoClass
{
Name = "SourceType",
Alias = "数据来源类型",
FieldType = gviFieldType.gviFieldString,
Length = 50
};
fields.Add(newVal);
newVal = new FieldInfoClass
{
Name = "CreateDate",
Alias = "创建日期",
FieldType = gviFieldType.gviFieldDate
};
fields.Add(newVal);
o = ds.CreateTable("Tb_TemporaryMgr", "ID", fields);
if (o != null)
{
IDbIndexInfo index = null;
index = new DbIndexInfoClass
{
Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "LayerName")
};
index.AppendFieldDefine("LayerName", false);
o.AddDbIndex(index);
index = new DbIndexInfoClass
{
Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "DatasetName")
};
index.AppendFieldDefine("DatasetName", false);
o.AddDbIndex(index);
index = new DbIndexInfoClass
{
Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "FCName")
};
index.AppendFieldDefine("FCName", false);
o.AddDbIndex(index);
index = new DbIndexInfoClass
{
Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "FCGuid")
};
index.AppendFieldDefine("FCGuid", false);
o.AddDbIndex(index);
index = new DbIndexInfoClass
{
Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "GeoType")
};
index.AppendFieldDefine("GeoType", false);
o.AddDbIndex(index);
index = new DbIndexInfoClass
{
Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "GroupId")
};
index.AppendFieldDefine("GroupId", false);
o.AddDbIndex(index);
index = new DbIndexInfoClass
{
Name = string.Format("{0}_{1}", "Tb_TemporaryMgr", "SourceType")
};
index.AppendFieldDefine("SourceType", false);
o.AddDbIndex(index);
Marshal.ReleaseComObject(o);
}
CRSFactory factory = new CRSFactoryClass();
spatialCRS = factory.CreateFromWKT("UNKNOWNCS[\"unnamed\"]") as ISpatialCRS;
set = ds.CreateFeatureDataset("FeatureDataSet", spatialCRS);
if (set != null)
{
Marshal.ReleaseComObject(set);
}
return(true);
}
catch (Exception exception)
{
return(false);
}
}
