// Função para gravar os dados no Extension Dictionary do objeto dado.
public void RecOnXDict(DBObject dbObj, string location, DxfCode dxfC, dynamic data, Transaction tr)
{
// Pega o Id do XDic do objeto.
ObjectId extId = dbObj.ExtensionDictionary;
// Se não existe um XDic, cria-o
if (extId == ObjectId.Null)
{
dbObj.CreateExtensionDictionary();
extId = dbObj.ExtensionDictionary;
}
// Pega o XDic a partir do seu Id.
DBDictionary dbExt = (DBDictionary)tr.GetObject(extId, OpenMode.ForWrite);
// Cria um XRecord, que guardará a informação
Xrecord xRec = new Xrecord();
ResultBuffer rb = new ResultBuffer();
rb.Add(new TypedValue((int)dxfC, data));
xRec.Data = rb;
// Adiciona a informação no XDic do objeto.
dbExt.SetAt(location, xRec);
tr.AddNewlyCreatedDBObject(xRec, true);
}
/// <summary>
/// Set "XData" on an Entity w/o directly manipulating a ResultBuffer.
/// </summary>
/// <param name="transactionToBeCommitted">An open transaction that will be Commit()ted</param>
public static void SetXData(this DBObject dbObject, string data, DxfCode code, Transaction transactionToBeCommitted)
{
if (String.IsNullOrEmpty(data))
{
throw new ArgumentNullException(/*MSG0*/ "data");
}
dbObject.SetXData(rb => rb.AddValue(data, code), transactionToBeCommitted);
}
/// <summary>
/// Add the proper TypedValue to the ResultBuffer; this saves of the trouble of creating a TypedValue and casting DxfCode.
///
/// This is called AddValue() rather than Add() to avoid confusion with ResultBuffer.Add(object)
/// </summary>
public static void AddValue(this ResultBuffer resultBuffer, string value, DxfCode code)
{
if (resultBuffer == null)
{
throw new ArgumentNullException(/*MSG0*/ "resultBuffer");
}
switch (code)
{
case DxfCode.Text:
case DxfCode.ExtendedDataRegAppName:
case DxfCode.ExtendedDataAsciiString: break;
default: throw new ArgumentOutOfRangeException(/*MSG0*/ "code");
}
resultBuffer.Add(new TypedValue((int)code, value));
}
/// <summary>
/// 修改扩展数据
/// </summary>
/// <param name="id">对象的Id</param>
/// <param name="regAppName">注册应用程序名</param>
/// <param name="code">扩展数据的类型</param>
/// <param name="oldValue">原来的扩展数据值</param>
/// <param name="newValue">新的扩展数据值</param>
public static void ModXData(this ObjectId id, string regAppName, DxfCode code, object oldValue, object newValue)
{
// 以写的方式打开对象
DBObject obj=id.GetObject(OpenMode.ForWrite);
// 获取regAppName注册应用程序下的扩展数据列表
TypedValueList xdata=obj.GetXDataForApplication(regAppName);
for (int i = 0; i < xdata.Count; i++)// 遍历扩展数据列表
{
TypedValue tv=xdata[i]; //扩展数据
//判断扩展数据的类型和值是否满足条件
if (tv.TypeCode == (short)code && tv.Value.Equals(oldValue))
{
// 设置新的扩展数据值
xdata[i] = new TypedValue(tv.TypeCode, newValue);
break; //要修改的数据已找到，跳出循环
}
}
obj.XData = xdata; // 覆盖原来的扩展数据，达到修改的目的
obj.DowngradeOpen();// 为了安全，切换对象为读的状态
}
public static void Set(ObjectId id, string key, object value)
{
try {
if (id.IsErased == false & id.IsEffectivelyErased == false)
{
using (World.Docu.LockDocument()) {
using (Database db = World.Docu.Database) {
using (Transaction tr = db.TransactionManager.StartTransaction()) {
using (BlockReference br = (BlockReference)tr.GetObject(id, OpenMode.ForWrite)) {
if (br.ExtensionDictionary == ObjectId.Null)
{
br.CreateExtensionDictionary();
}
using (DBDictionary dict = (DBDictionary)tr.GetObject(br.ExtensionDictionary, OpenMode.ForWrite, false)) {
DxfCode code = AcadIO.DxfHelper.GetFromObject(value);
if (dict.Contains(key))
{
Xrecord xRec = (Xrecord)tr.GetObject(dict.GetAt(key), OpenMode.ForWrite);
ResultBuffer resBuf = new ResultBuffer(new TypedValue(Convert.ToInt32(code), value));
xRec.Data = resBuf;
}
else
{
Xrecord xRec = new Xrecord();
ResultBuffer resBuf = new ResultBuffer(new TypedValue(Convert.ToInt32(code), value));
xRec.Data = resBuf;
dict.SetAt(key, xRec);
tr.AddNewlyCreatedDBObject(xRec, true);
}
}
}
tr.Commit();
}
}
}
}
}
catch (System.Exception ex) {
Err.Log(ex);
}
}
public static void Set(string key, object value)
{
try {
if (World.Docu != null)
{
if (World.Docu.IsActive == true && World.Docu.IsDisposed == false)
{
using (World.Docu.LockDocument()) {
using (Database db = World.Docu.Database) {
using (Transaction tr = db.TransactionManager.StartTransaction()) {
using (DBDictionary dict = (DBDictionary)tr.GetObject(db.NamedObjectsDictionaryId, OpenMode.ForWrite, false)) {
DxfCode code = AcadIO.DxfHelper.GetFromObject(value);
if (dict.Contains(key))
{
Xrecord xRec = (Xrecord)tr.GetObject(dict.GetAt(key), OpenMode.ForWrite);
ResultBuffer resBuf = new ResultBuffer(new TypedValue(Convert.ToInt32(code), value));
xRec.Data = resBuf;
}
else
{
Xrecord xRec = new Xrecord();
ResultBuffer resBuf = new ResultBuffer(new TypedValue(Convert.ToInt32(code), value));
xRec.Data = resBuf;
dict.SetAt(key, xRec);
tr.AddNewlyCreatedDBObject(xRec, true);
}
}
tr.Commit();
}
}
}
}
}
}
catch (System.Exception ex) {
Err.Log(ex);
}
}
/// <summary>
/// 添加DXF组码
/// </summary>
/// <param name="typecode">DXF组码</param>
public void Add(DxfCode typecode)
{
base.Add(new TypedValue((int)typecode));
}
public ExtendedDataRecord(DxfCode dxfCode, object value)
{
//TODO: finish the dxf code throw exception for wrong values
}
public static TypedValue GetTypedValue(DxfCode code, object value)
{
return(new TypedValue((int)code, value));
}
public ResultTree Add(DxfCode type, object obj)
{
return(Add(new ResultTree(type, obj)));
}
public void Set(DxfCode type)
{
_typedValue = new TypedValue((int)type);
}
public void Set(DxfCode type, object obj)
{
_typedValue = new TypedValue((int)type, obj);
}
public ResultTree(DxfCode type, object obj)
: this(new TypedValue((int)type, obj))
{
}
public void Add(DxfCode type, object obj)
{
base.Add(new TypedValue((int)type, obj));
}
/// <summary>
/// Create a new System.Exception that indicates that the value with the given DXF type code cannot be converted to the given target type.
/// </summary>
/// <param name="typeCode">The DXF code.</param>
/// <param name="targetTypeName">The target type.</param>
/// <returns></returns>
public static Exception InvalidConversion(DxfCode typeCode, string targetTypeName)
{
return(new Exception("DxfCode." + typeCode + " cannot be converted to type " + targetTypeName));
}
private object readValue(DxfCode code)
{
string strVal = ReadLine();
switch (code)
{
case DxfCode.XDictionary:
case DxfCode.PReactors:
case DxfCode.Operator:
case DxfCode.XDataStart:
case DxfCode.HeaderId:
case DxfCode.End:
return(null);
case DxfCode.Start:
case DxfCode.Text:
case DxfCode.ShapeName:
case DxfCode.AttributePrompt:
case DxfCode.TextBigFontFile:
case DxfCode.Handle:
case DxfCode.DimBlk1:
case DxfCode.DimBlk2:
case DxfCode.LayerName:
case DxfCode.CLShapeText:
return(ReadLine());
case DxfCode.XCoordinate:
case DxfCode.YCoordinate:
case DxfCode.ZCoordinate:
case DxfCode.Elevation:
case DxfCode.Thickness:
return(lineAsDouble(strVal));
case DxfCode.Real:
case DxfCode.TxtStyleXScale:
case DxfCode.TxtStylePSize:
case DxfCode.ViewFrontClip:
case DxfCode.ViewBackClip:
case DxfCode.ShapeYOffset:
case DxfCode.ShapeScale:
case DxfCode.PixelScale:
case DxfCode.LinetypeScale:
case DxfCode.DashLength:
case DxfCode.Angle:
case DxfCode.ViewportTwist:
return(lineAsDouble(strVal)); //float ??
case DxfCode.Visibility:
case DxfCode.LayerLinetype:
case DxfCode.Color:
case DxfCode.HasSubentities:
case DxfCode.ViewportVisibility:
case DxfCode.ViewportActive:
case DxfCode.ViewportNumber:
case DxfCode.Int16:
case DxfCode.ViewMode:
case DxfCode.CircleSides:
case DxfCode.ViewportZoom:
case DxfCode.ViewportIcon:
case DxfCode.ViewportSnap:
case DxfCode.ViewportGrid:
case DxfCode.ViewportSnapStyle:
case DxfCode.ViewportSnapPair:
return(lineAsShort(strVal));
case DxfCode.Int32:
return(lineAsInt(strVal));
case DxfCode.Subclass:
case DxfCode.EmbeddedObjectStart:
case DxfCode.ControlString:
return(LastValueAsString);
case DxfCode.DimVarHandle:
return(lineAsHandle(strVal));
case DxfCode.UcsOrg:
case DxfCode.UcsOrientationX:
case DxfCode.UcsOrientationY:
case DxfCode.XReal:
case DxfCode.ViewBrightness:
case DxfCode.ViewContrast:
return(lineAsDouble(strVal));
case DxfCode.Int64:
return(lineAsLong(strVal));
case DxfCode.XInt16:
return(lineAsShort(strVal));
case DxfCode.NormalX:
case DxfCode.NormalY:
case DxfCode.NormalZ:
return(lineAsDouble(strVal));
case DxfCode.XXInt16:
case DxfCode.Int8:
case DxfCode.RenderMode:
return(lineAsShort(strVal));
case DxfCode.Bool:
return(lineAsBool(strVal));
case DxfCode.XTextString:
return(ReadLine());
case DxfCode.BinaryChunk:
return(lineAsBinaryChunk(strVal));
case DxfCode.ArbitraryHandle:
case DxfCode.SoftPointerId:
case DxfCode.HardPointerId:
case DxfCode.MaterialHandleId:
case DxfCode.SoftOwnershipId:
case DxfCode.HardOwnershipId:
return(lineAsHandle(strVal));
case DxfCode.LineWeight:
case DxfCode.PlotStyleNameType:
return(lineAsShort(strVal));
case DxfCode.PlotStyleNameId:
return(lineAsHandle(strVal));
case DxfCode.ExtendedInt16:
return(lineAsShort(strVal));
case DxfCode.LayoutName:
return(ReadLine());
case DxfCode.ColorRgb:
return(lineAsInt(strVal));
case DxfCode.ColorName:
return(ReadLine());
case DxfCode.Alpha:
case DxfCode.GradientObjType:
case DxfCode.GradientPatType:
case DxfCode.GradientTintType:
case DxfCode.GradientColCount:
return(lineAsInt(strVal));
case DxfCode.GradientAngle:
case DxfCode.GradientShift:
case DxfCode.GradientTintVal:
case DxfCode.GradientColVal:
return(lineAsDouble(strVal));
case DxfCode.GradientName:
return(ReadLine());
case DxfCode.HardPointHandle:
case DxfCode.HardPointHandle1:
return(lineAsHandle(strVal));
case DxfCode.Comment:
return(ReadLine());
case DxfCode.ExtendedDataAsciiString:
case DxfCode.ExtendedDataRegAppName:
case DxfCode.ExtendedDataControlString:
case DxfCode.ExtendedDataLayerName:
return(ReadLine());
case DxfCode.ExtendedDataBinaryChunk:
return(lineAsBinaryChunk(strVal));
case DxfCode.ExtendedDataHandle:
return(ReadLine());
case DxfCode.ExtendedDataXCoordinate:
case DxfCode.ExtendedDataWorldXCoordinate:
case DxfCode.ExtendedDataWorldXDisp:
case DxfCode.ExtendedDataWorldXDir:
case DxfCode.ExtendedDataYCoordinate:
case DxfCode.ExtendedDataWorldYCoordinate:
case DxfCode.ExtendedDataWorldYDisp:
case DxfCode.ExtendedDataWorldYDir:
case DxfCode.ExtendedDataZCoordinate:
case DxfCode.ExtendedDataWorldZCoordinate:
case DxfCode.ExtendedDataWorldZDisp:
case DxfCode.ExtendedDataWorldZDir:
case DxfCode.ExtendedDataReal:
case DxfCode.ExtendedDataDist:
case DxfCode.ExtendedDataScale:
return(lineAsDouble(strVal));
case DxfCode.ExtendedDataInteger16:
return(lineAsShort(strVal));
case DxfCode.ExtendedDataInteger32:
return(lineAsInt(strVal));
case DxfCode.Invalid:
default:
throw new DxfException((int)code, this.Line);
}
}
