public static bool AddLocation(INALayer layer, string locationClassName, IPoint point, string locationName,
StringObjectDictionary locationProperties, double tolerance)
{
INALocator locator = layer.Context.Locator;
locator.SnapTolerance = tolerance;
INALocation location = null;
IPoint outPoint = null;
double distanceFromPoint = 0.0;
locator.QueryLocationByPoint(point, ref location, ref outPoint, ref distanceFromPoint);
INAClass class2 = layer.Context.NAClasses.get_ItemByName(locationClassName) as INAClass;
IFeatureClass class3 = class2 as IFeatureClass;
IFeature feature = class3.CreateFeature();
feature.Shape = point;
int num2 = class3.FeatureCount(null);
int index = -1;
IClass class4 = class3;
INALocationObject obj2 = feature as INALocationObject;
obj2.NALocation = location;
index = class4.FindField(NetworkConstants.NAME_FIELD);
if (locationName.Trim().Length > 0)
{
feature.set_Value(index, locationName);
}
index = class4.FindField(NetworkConstants.SEQUENCE_FIELD);
if (index >= 0)
{
feature.set_Value(index, num2);
}
index = class4.FindField(NetworkConstants.STATUS_FIELD);
if (location.IsLocated)
{
feature.set_Value(index, 0);
}
else
{
feature.set_Value(index, 1);
}
if ((locationProperties != null) && (locationProperties.Count > 0))
{
IEnumerator enumerator = locationProperties.Keys.GetEnumerator();
while (enumerator.MoveNext())
{
string current = enumerator.Current as string;
if ((current != null) && (current.Length > 0))
{
index = class4.FindField(current);
if (index != -1)
{
feature.set_Value(index, locationProperties[current]);
}
}
}
}
feature.Store();
return(location.IsLocated);
}
/// <summary>
/// Finds the positions of the created, modified and user fields, and verifies that
/// the specified field has the correct data type.
/// </summary>
private void SetFieldIndexes()
{
// Get the base class from the class helper.
IClass baseClass = classHelper.Class;
// Find the indexes of the fields.
createdFieldIndex = baseClass.FindField(createdFieldName);
modifiedFieldIndex = baseClass.FindField(modifiedFieldName);
userFieldIndex = baseClass.FindField(userFieldName);
// Verify that the field data types are correct.
IFields fields = baseClass.Fields;
if (createdFieldIndex != -1)
{
IField createdField = fields.get_Field(createdFieldIndex);
// If the "created" field is not a date field, do not use it.
if (createdField.Type != esriFieldType.esriFieldTypeDate)
{
createdFieldIndex = -1;
}
}
if (modifiedFieldIndex != -1)
{
IField modifiedField = fields.get_Field(modifiedFieldIndex);
// If the "modified" field is not a date field, do not use it.
if (modifiedField.Type != esriFieldType.esriFieldTypeDate)
{
modifiedFieldIndex = -1;
}
}
if (userFieldIndex != -1)
{
IField userField = fields.get_Field(userFieldIndex);
// If the "user" field is not a text field, do not use it.
if (userField.Type != esriFieldType.esriFieldTypeString)
{
userFieldIndex = -1;
}
else
{
// Get the length of the text field.
userFieldLength = userField.Length;
}
}
}
/// <summary>
/// 向已有表格添加新字段，若字段存在则不添加，并返回字段索引
/// （注意，向已有表格添加字段使用IClass.AddFiled，而在创建表格时设置字段使用IFieldsEdit.AddField）
/// </summary>
/// <param name="table">操作的表格</param>
/// <param name="name">字段名</param>
/// <param name="aliasName">字段别名</param>
/// <param name="fieldType">字段类型</param>
/// <param name="length">字段长度，若为0则不设置长度（使用默认长度）</param>
/// <returns>添加的字段的索引</returns>
public static int AddField(this ITable table, string name, string aliasName, esriFieldType fieldType, int length = 0)
{
//若存在，则不需添加
int index = -1;
if ((index = table.Fields.FindField(name)) > -1)
{
return(index);
}
IField field = new FieldClass();
IFieldEdit fieldEdit = field as IFieldEdit;
fieldEdit.Name_2 = name;
fieldEdit.AliasName_2 = aliasName;
fieldEdit.Type_2 = fieldType;
if (length > 0)
{
fieldEdit.Length_2 = length;
}
IClass cls = table as IClass;
cls.AddField(fieldEdit); //此处使用IClass.AddFiled方法，不使用IFieldsEdit.AddField方法
return(cls.FindField(name));
}
/// <summary>
/// Creates fieldmapping object with the OBJECTID field to be extracted to be used with GP tools.
/// </summary>
/// <param name="classObj">FeatureClass or table.</param>
/// <param name="newOIDFldName">Name of the object id field in the mapping.</param>
/// <returns></returns>
public static IGPFieldMapping CreateFieldMap(this IClass classObj, string newOIDFldName, bool newOidFldNullable = false, int newOidDefaultVal = -1)
{
IGPFieldMapping fieldmapping = null;
if (classObj is ITable || classObj is IFeatureClass)
{
IGPUtilities gputilities = new GPUtilities();
IDETable inputTableA = (IDETable)gputilities.MakeDataElementFromNameObject((classObj as IDataset).FullName);
IArray inputTables = new ESRI.ArcGIS.esriSystem.Array();
inputTables.Add(inputTableA);
fieldmapping = new GPFieldMapping() as IGPFieldMapping;
fieldmapping.Initialize(inputTables, null);
IFieldEdit2 oidField = new Field() as IFieldEdit2;
oidField.Name_2 = newOIDFldName;
oidField.Type_2 = esriFieldType.esriFieldTypeInteger;
oidField.IsNullable_2 = newOidFldNullable;
oidField.DefaultValue_2 = newOidDefaultVal;
IGPFieldMap orgOIDFldMap = new GPFieldMap {
OutputField = oidField
};
IField OIDFld = classObj.Fields.Field[classObj.FindField(classObj.OIDFieldName)];
orgOIDFldMap.AddInputField(inputTableA, OIDFld, 0, OIDFld.Length);
fieldmapping.AddFieldMap(orgOIDFldMap);
}
return(fieldmapping);
}
/// <summary>
/// 向已有表格添加新字段，若字段存在则不添加，并返回字段索引
/// <para>注意：若数据源为shp，字段名长度不能超过10，否则报错</para>
/// <para>注意：向已有表格添加字段使用IClass.AddFiled，而在创建表格时设置字段使用IFieldsEdit.AddField</para>
/// </summary>
/// <param name="table">操作的表格</param>
/// <param name="name">字段名</param>
/// <param name="aliasName">字段别名</param>
/// <param name="fieldType">字段类型</param>
/// <param name="length">字段长度，若为0则不设置长度（使用默认长度）</param>
/// <param name="precision">字段精度，表示数值类型字段除小数点外的总长度，即整数位数加上小数位数</param>
/// <param name="scale">小数位数</param>
/// <returns>添加的字段的索引</returns>
public static int AddField(this ITable table, string name, string aliasName, esriFieldType fieldType, int length = 0, int precision = 0, int scale = 0)
{
//若存在，则不需添加
int index;
if ((index = table.Fields.FindField(name)) > -1)
{
return(index);
}
IField field = new FieldClass();
try
{
IFieldEdit fieldEdit = field as IFieldEdit;
fieldEdit.Name_2 = name;
fieldEdit.AliasName_2 = aliasName;
fieldEdit.Type_2 = fieldType;
if (length > 0)
{
fieldEdit.Length_2 = length;
}
if (precision > 0)
{
fieldEdit.Precision_2 = precision;
}
if (scale > 0)
{
fieldEdit.Scale_2 = scale;
}
IClass cls = table as IClass;
cls.AddField(fieldEdit); //此处使用IClass.AddFiled方法，不使用IFieldsEdit.AddField方法
return(cls.FindField(name));
}
catch (Exception ex) { throw new Exception($"添加字段{name}({aliasName})失败：{ex.Message}", ex); }
}
protected static int AddNewField(IClass fclass, string Name)
{
IField nw = new FieldClass();
IFieldEdit new_field = (IFieldEdit)nw;
new_field.Name_2 = Name;
if (Name.IndexOf("UNIT", 0, StringComparison.CurrentCultureIgnoreCase) > -1)
{
new_field.Type_2 = esriFieldType.esriFieldTypeString;
new_field.Length_2 = 20;
}
else
{
new_field.Type_2 = esriFieldType.esriFieldTypeDouble;
new_field.DefaultValue_2 = double.NaN;
}
new_field.IsNullable_2 = true;
fclass.AddField(new_field);
return fclass.FindField(Name);
}
void formAdvanced_doneFormEvent(object sender, AdvancedEvents e)
{
m_pSDS.DesignMode = true;
formAdvanced.Cursor = System.Windows.Forms.Cursors.WaitCursor;
//process the algorithm if there is one
if (e.AlgorithmName != "")
{
ISchematicAlgoSmartTree a = new SchematicAlgoSmartTreeClass();
if (e.AlgorithmParams.Count > 0)
{
Dictionary <string, string> .KeyCollection keys = e.AlgorithmParams.Keys;
string strValue = "";
foreach (string s in keys)
{
if (s == "Direction")
{
e.AlgorithmParams.TryGetValue(s, out strValue);
if (strValue == "Top to Bottom")
{
a.Direction = esriSchematicAlgoDirection.esriSchematicAlgoTopDown;
}
else if (strValue == "Bottom to Top")
{
a.Direction = esriSchematicAlgoDirection.esriSchematicAlgoBottomUp;
}
else if (strValue == "Left to Right")
{
a.Direction = esriSchematicAlgoDirection.esriSchematicAlgoLeftRight;
}
else
{
a.Direction = esriSchematicAlgoDirection.esriSchematicAlgoRightLeft;
}
}
}
if (e.RootClass != "")
{
ISchematicElementClassContainer pECC = (ISchematicElementClassContainer)m_pSDS;
ISchematicElementClass pEC = pECC.GetSchematicElementClass(e.RootClass);
ESRI.ArcGIS.esriSystem.UID u = new ESRI.ArcGIS.esriSystem.UID();
u.Value = "{3AD9D8B8-0A1D-4F32-ABB5-54B848A46F85}";
ISchematicAttributeConstant pAttrConst = (ISchematicAttributeConstant)pEC.CreateSchematicAttribute("RootFlag", u);
ISchematicAttributeManagement pAttrMgmt = (ISchematicAttributeManagement)pAttrConst;
pAttrMgmt.StorageMode = esriSchematicAttributeStorageMode.esriSchematicAttributeFieldStorage;
pAttrConst.ConstantValue = "-1";
}
}
m_pSDT.SchematicAlgorithm = (ISchematicAlgorithm)a;
}
//check to see if we need to add associated fields
if (e.FieldsToCreate != null)
{
if (e.FieldsToCreate.Count > 0)
{
ISchematicElementClassContainer pECC = (ISchematicElementClassContainer)m_pSDS;
//create the associated field attributes
string[] keys = e.FieldsToCreate.AllKeys;
foreach (string s in keys)
{
//get the feature class
ISchematicElementClass pEC = pECC.GetSchematicElementClass(s);
if (pEC != null)
{
string strName = "";
string[] values = e.FieldsToCreate.GetValues(s);
foreach (string v in values)
{
//create the field
ESRI.ArcGIS.esriSystem.UID u = new ESRI.ArcGIS.esriSystem.UID();
u.Value = "{7DE3A19D-32D0-41CD-B896-37CA3AFBD88A}";
IClass pClass = (IClass)pEC;
//only handle names that don't already exist in the schematic tables
if (pClass.FindField(v) == -1)
{
strName = v.ToString();
ISchematicAttributeAssociatedField pFieldAttr = (ISchematicAttributeAssociatedField)pEC.CreateSchematicAttribute(strName, u);
pFieldAttr.AssociatedFieldName = v;
ISchematicAttributeManagement pAttrMgmt = (ISchematicAttributeManagement)pFieldAttr;
pAttrMgmt.StorageMode = esriSchematicAttributeStorageMode.esriSchematicAttributeFieldStorage;
}
}
}
}
}
}
m_pSDS.Save(ESRI.ArcGIS.esriSystem.esriArcGISVersion.esriArcGISVersionCurrent, true);
m_pSDS.DesignMode = false;
formAdvanced.Cursor = System.Windows.Forms.Cursors.Default;
formAdvanced.Close();
}