public System.Collections.IEnumerable GetChildren(Aga.Controls.Tree.TreePath treePath)
{
_NodeModel node = null;
if (treePath.IsEmpty())
{
if (m_rootNode != null)
{
node = m_rootNode;
}
}
else
{
node = (_NodeModel)treePath.LastNode;
}
if (node != null)
{
if (node.IsStructure)
{
// scan members
var type = (BlendStructureType)node.m_value.Type;
foreach (var decl in type.MemberDecls)
{
var value = node.m_value.GetMember(decl.Name);
var childNode = new _NodeModel(decl.Name, value);
yield return(childNode);
}
}
else if (node.IsPointer)
{
// dereference
var address = node.m_value.GetRawValue <BlendAddress>();
var pointerType = (BlendPointerType)node.m_value.Type;
var baseType = pointerType.BaseType;
if (address.CanDereference(baseType))
{
List <BlendValueCapsule> result = null;
try
{
if (baseType.Equals(BlendPrimitiveType.Void()))
{
// void pointer
result = address.DereferenceAll();
}
else
{
result = address.DereferenceAll(baseType);
}
}
catch (BlenderException e)
{
Dialog.ShowError(e);
yield break;
}
if (result.Count == 1)
{
var childNode = new _NodeModel("*" + node.Name, result[0]);
yield return(childNode);
}
else
{
// If the number of dereferenced objects is over 1, we show it as an array.
for (int i = 0; i < result.Count; ++i)
{
var value = result[i];
var childNode = new _NodeModel(node.Name + "[" + i + "]", value);
yield return(childNode);
}
}
}
}
else if (node.IsArray)
{
var arrayType = (BlendArrayType)node.m_value.Type;
int arrayCount = arrayType.ArrayDimension;
switch (arrayCount)
{
case 1:
for (int i = 0; i < arrayType.GetLength(0); ++i)
{
var value = node.m_value.GetAt(i);
var childNode = new _NodeModel(node.Name + "[" + i + "]", value);
yield return(childNode);
}
break;
case 2:
for (int i = 0; i < arrayType.GetLength(0); ++i)
{
for (int j = 0; j < arrayType.GetLength(1); ++j)
{
var value = node.m_value.GetAt(i, j);
var childNode = new _NodeModel(node.Name + "[" + i + "]" + "[" + j + "]", value);
yield return(childNode);
}
}
break;
}
}
}
yield break;
}
public bool IsLeaf(Aga.Controls.Tree.TreePath treePath)
{
var node = (_NodeModel)treePath.LastNode;
return(!(node.IsStructure || node.IsPointer || node.IsArray));
}