private void DrawInputsNodesRecursively(List <DependencyViewerNode> nodes, NodeInputSide inputSide)
{
for (int i = 0; i < nodes.Count; ++i)
{
DrawNode(nodes[i]);
DrawInputsNodesRecursively(inputSide == NodeInputSide.Left ? nodes[i].LeftInputs : nodes[i].RightInputs, inputSide);
}
}
private void ForeachChildrenRecursively(NodeInputSide treeSide, DependencyViewerNode node, Action <DependencyViewerNode> onEachNodeCallback)
{
var children = node.GetChildren(treeSide);
for (int i = 0; i < children.Count; ++i)
{
ForeachChildrenRecursively(treeSide, children[i], onEachNodeCallback);
}
onEachNodeCallback(node);
}
public DependencyViewerNode GetLastSibling(NodeInputSide treeSide)
{
var parent = GetParent(treeSide);
if (parent == null)
{
return(this);
}
var childNodes = parent.GetChildren(treeSide);
return(childNodes.Count > 0 ? childNodes[childNodes.Count - 1] : null);
}
public DependencyViewerNode GetNextSibling(NodeInputSide treeSide)
{
var parent = GetParent(treeSide);
if (parent == null)
{
return(null);
}
var childNodes = parent.GetChildren(treeSide);
int childIdx = GetSiblingIndex(treeSide);
return(childIdx + 1 < childNodes.Count ? childNodes[childIdx + 1] : null);
}
public int GetSiblingIndex(NodeInputSide treeSide)
{
var parentNode = GetParent(treeSide);
if (parentNode == null)
{
return(0);
}
var siblings = parentNode.GetChildren(treeSide);
for (int siblingIdx = 0; siblingIdx < siblings.Count; ++siblingIdx)
{
if (siblings[siblingIdx] == this)
{
return(siblingIdx);
}
}
return(-1);
}
public void ForeachChildrenRecursively(NodeInputSide treeSide, Action <DependencyViewerNode> onEachNodeCallback)
{
ForeachChildrenRecursively(treeSide, this, onEachNodeCallback);
}
public int GetNumChildren(NodeInputSide treeSide)
{
return(GetChildren(treeSide).Count);
}
public bool IsFirstSibling(NodeInputSide treeSide)
{
return(GetSiblingIndex(treeSide) == 0);
}
public bool IsLeaf(NodeInputSide treeSide)
{
return(GetNumChildren(treeSide) == 0);
}
public DependencyViewerNode GetLastChild(NodeInputSide treeSide)
{
var childNodes = GetChildren(treeSide);
return(childNodes.Count > 0 ? childNodes[childNodes.Count - 1] : null);
}
public List <DependencyViewerNode> GetChildren(NodeInputSide treeSide)
{
return(GetInputNodesFromSide(treeSide));
}
public DependencyViewerNode GetParent(NodeInputSide treeSide)
{
var parentList = (treeSide == NodeInputSide.Left ? _rightInputs : _leftInputs);
return(parentList.Count > 0 ? parentList[0] : null);
}
public List <DependencyViewerNode> GetInputNodesFromSide(NodeInputSide side)
{
return(side == NodeInputSide.Left ? _leftInputs : _rightInputs);
}
private void DrawNodeLinks(DependencyViewerNode node, List <DependencyViewerNode> inputs, NodeInputSide inputSide)
{
for (int i = 0; i < inputs.Count; ++i)
{
DependencyViewerNode inputNode = inputs[i];
DependencyViewerNode leftNode = (inputSide == NodeInputSide.Left ? node : inputNode);
DependencyViewerNode rightNode = (inputSide == NodeInputSide.Right ? node : inputNode);
Vector2 start = GetRelativePosition(leftNode.GetLeftInputAnchorPosition());
Vector2 end = GetRelativePosition(rightNode.GetRightInputAnchorPosition());
Drawing.DrawLine(start, end, LinkColor, LinkWidth);
DrawNodeLinks(
inputNode,
inputSide == NodeInputSide.Left ? inputNode.LeftInputs : inputNode.RightInputs,
inputSide);
}
}