/// <summary>
/// Записать связь в объект objId с объектом writedId
/// </summary>
/// <param name="objId">Объект</param>
/// <param name="linkIds">Связываемые объекты</param>
/// <param name="code">Тип связи</param>
/// /// <param name="replace">Перезаписать существующий словарь LinkCode - true, или добавить если уже существует - false</param>
public static void WriteLinks(this ObjectId objId, List <ObjectId> linkIds, LinkCode code, bool replace = true)
{
var dictId = GetExtDict(objId);
var existLinks = ReadLinks(objId, code);
var addLinkIds = linkIds?.Where(w => !w.IsNull).Except(existLinks).ToList() ?? new List <ObjectId>();
var dxfCode = GetDxfCode(code);
using (var dict = dictId.Open(OpenMode.ForWrite) as DBDictionary)
{
var entryName = GetLinkRecordName(code);
if (dict.Contains(entryName) && replace)
{
dict.Remove(entryName);
}
if (!addLinkIds.Any())
{
return;
}
using (var xrec = new Xrecord())
using (var resBuff = new ResultBuffer())
{
foreach (var addLinkId in addLinkIds)
{
resBuff.Add(new TypedValue((int)dxfCode, addLinkId));
}
xrec.Data = resBuff;
dict.SetAt(entryName, xrec);
}
}
}
private static string GetLinkRecordName(LinkCode code)
{
switch (code)
{
case LinkCode.HardPointer:
return(HardPointerRecordName);
case LinkCode.SoftPointer:
return(SoftPointerRecordName);
default:
throw new ArgumentOutOfRangeException(nameof(code), code, null);
}
}
private static DxfCode GetDxfCode(LinkCode code)
{
switch (code)
{
case LinkCode.SoftPointer:
return(DxfCode.SoftPointerId);
case LinkCode.HardPointer:
return(DxfCode.HardPointerId);
default:
throw new ArgumentOutOfRangeException(nameof(code), code, null);
}
}
public static List <ObjectId> ReadLinks(this ObjectId objId, LinkCode code)
{
var dictId = ObjectId.Null;
using (var obj = objId.Open(OpenMode.ForRead, true, true))
{
dictId = obj.ExtensionDictionary;
}
if (!dictId.IsValid)
{
return(new List <ObjectId>());
}
var entryName = GetLinkRecordName(code);
var xrecId = ObjectId.Null;
using (var dict = dictId.Open(OpenMode.ForRead) as DBDictionary)
{
if (dict.Contains(entryName))
{
xrecId = dict.GetAt(entryName);
}
}
if (!xrecId.IsValid)
{
return(new List <ObjectId>());
}
using (var xrec = xrecId.Open(OpenMode.ForRead) as Xrecord)
using (var resBuf = xrec.Data)
{
TypedValue[] tVals;
if (resBuf != null && (tVals = resBuf.AsArray()).Length > 0)
{
var dxfCode = GetDxfCode(code);
var vals = tVals.Where(item => item.TypeCode == (int)dxfCode).Select(s => s.Value).OfType <ObjectId>().ToList();
return(vals);
}
}
return(new List <ObjectId>());
}
private void button1_Click(object sender, EventArgs e)
{
FolderBrowserDialog FolderBrowserDialog1 = new System.Windows.Forms.FolderBrowserDialog();
string myFolderPath = "";
// Then use the following code to create the Dialog window
// Change the .SelectedPath property to the default location
var _with1 = FolderBrowserDialog1;
// Desktop is the root folder in the dialog.
_with1.RootFolder = Environment.SpecialFolder.Desktop;
// Select the C:\Windows directory on entry.
_with1.SelectedPath = "G:\\";
// Prompt the user with a custom message.
_with1.Description = "Select the directory of P&ID Drawings to hyperlink";
DialogResult result1 = _with1.ShowDialog();
if (result1 == System.Windows.Forms.DialogResult.OK)
{
myFolderPath = _with1.SelectedPath;
txtFolderPath.Text = _with1.SelectedPath;
switch (MessageBox.Show("Do you want to process Sub Directories?", "Sub Directories?", MessageBoxButtons.YesNo))
{
case DialogResult.Yes:
LinkCode.LoopThroughFilesInDirectory(myFolderPath, SearchOption.AllDirectories);
break;
case DialogResult.No:
LinkCode.LoopThroughFilesInDirectory(myFolderPath, SearchOption.TopDirectoryOnly);
break;
}
}
else
{
return;
}
}
public static void WriteLink(this ObjectId objId, ObjectId linkId, LinkCode code)
{
WriteLinks(objId, new List <ObjectId> {
linkId
}, code);
}
