/// <summary>
/// Get the dynamic property value
/// </summary>
public static object GetPropertyValue(CadDynamicBlock dynamicBlock, string propertyName)
{
if (dynamicBlock == null)
{
return(null);
}
if (string.IsNullOrEmpty(propertyName))
{
return(null);
}
var block = dynamicBlock.Block;
using (var trans = block.Database.TransactionManager.StartTransaction())
{
var btr = (BlockTableRecord)trans.GetObject(block.DynamicBlockTableRecord, OpenMode.ForRead, false, true);
if (btr.IsDynamicBlock)
{
var dynBlock = (BlockReference)trans.GetObject(block.Id, OpenMode.ForRead, false, true);
foreach (DynamicBlockReferenceProperty dbrProperty in dynBlock.DynamicBlockReferencePropertyCollection)
{
//var values = dbrProperty.GetAllowedValues();
if (dbrProperty.PropertyName == propertyName)
{
return(dbrProperty.Value);
}
}
}
return(null);
}
}
/// <summary>
/// Get the attribute value
/// </summary>
public static string GetAttributeValue(CadDynamicBlock dynamicBlock, string attributeName)
{
if (dynamicBlock == null)
{
return(null);
}
if (string.IsNullOrEmpty(attributeName))
{
return(null);
}
var block = dynamicBlock.Block;
using (var trans = block.Database.TransactionManager.StartTransaction())
{
foreach (ObjectId attId in block.AttributeCollection)
{
var att = (AttributeReference)trans.GetObject(attId, OpenMode.ForRead, false, true);
if (att.Tag == attributeName)
{
return(att.IsMTextAttribute ? att.MTextAttribute.Text : att.TextString);
}
}
trans.Commit();
}
using (var trans = block.Database.TransactionManager.StartTransaction())
{
var btr = (BlockTableRecord)trans.GetObject(block.BlockTableRecord, OpenMode.ForRead, false, true);
if (btr.HasAttributeDefinitions)
{
foreach (var oid in btr)
{
var dbObject = trans.GetObject(oid, OpenMode.ForRead, false, true);
if (dbObject is AttributeDefinition att)
{
if (att.Tag == attributeName)
{
return(att.IsMTextAttributeDefinition ? att.MTextAttributeDefinition.Text : att.TextString);
}
}
}
}
trans.Commit();
}
return(null);
}
/// <summary>
/// Rotate a CadDynamicBlock based on a given normal and angle
/// </summary>
public static CadDynamicBlock ByRotation(CadDynamicBlock dynamicBlock, Vector normal, double degree)
{
if (dynamicBlock == null)
{
return(null);
}
var block = dynamicBlock.Block;
var normalVector = new Vector3d(normal.X, normal.Y, normal.Z);
block.TransformBy(Matrix3d.Rotation(degree * Math.PI / 180, normalVector, block.Position));
return(new CadDynamicBlock(block, false));
}
/// <summary>
/// Set the dynamic property value
/// </summary>
public static bool SetPropertyValue(CadDynamicBlock dynamicBlock, string propertyName, object propertyValue)
{
if (dynamicBlock == null)
{
return(false);
}
if (string.IsNullOrEmpty(propertyName))
{
return(false);
}
if (propertyValue == null)
{
return(false);
}
var block = dynamicBlock.Block;
using (var trans = block.Database.TransactionManager.StartTransaction())
{
var btr = (BlockTableRecord)trans.GetObject(block.DynamicBlockTableRecord, OpenMode.ForRead, false, true);
if (btr.IsDynamicBlock)
{
var dynBlock = (BlockReference)trans.GetObject(block.Id, OpenMode.ForWrite, false, true);
var properties = dynBlock.DynamicBlockReferencePropertyCollection;
foreach (DynamicBlockReferenceProperty property in properties)
{
if (property.PropertyName == propertyName)
{
switch ((DwgDataType)property.PropertyTypeCode)
{
case DwgDataType.Real:
{
if (propertyValue is double)
{
property.Value = propertyValue;
return(true);
}
break;
}
case DwgDataType.Int16:
case DwgDataType.Int32:
{
if (Convert.GetTypeCode(propertyValue) == TypeCode.Int16 ||
Convert.GetTypeCode(propertyValue) == TypeCode.Int32)
{
var value = Convert.ToInt32(propertyValue);
// TODO: why is this?
if (value == 0 || value == 1)
{
property.Value = Convert.ToInt16(propertyValue);
return(true);
}
}
break;
}
case DwgDataType.Text:
{
if (propertyValue is string)
{
property.Value = propertyValue;
return(true);
}
break;
}
case DwgDataType.Dwg3Real:
{
if (propertyValue is Point dynamoPoint)
{
property.Value = new Point3d(dynamoPoint.X, dynamoPoint.Y, dynamoPoint.Z);
return(true);
}
break;
}
default:
{
return(false);
}
}
}
}
}
trans.Commit();
}
return(default);
