/// <summary>
/// Unlink the node removing it from its origin linked nodes list and restore it to its
/// original node class.
/// </summary>
public void UnlinkNode()
{
LinkedNodeViewModel linkedNode = (LinkedNodeViewModel)this;
linkedNode.Origin.LinkedNodes.Remove(linkedNode);
NestedConfigNode parent = (NestedConfigNode)linkedNode.m_parent;
ConfigNodeViewModel unlinkedNode = getInstance(m_parentExperiment, parent,
linkedNode.nodeDefinition, m_parentExperiment.AppName);
// Keep the content of the former ogirin node
if (!(linkedNode.Origin is ForkedNodeViewModel))
{
unlinkedNode.content = linkedNode.Origin.content;
}
else
{
ForkedNodeViewModel forkedNode = (ForkedNodeViewModel)linkedNode.LinkedNode;
int valueIndex = int.Parse(forkedNode.currentValueIndex.Substring(0, 1)) - 1;
ForkValueViewModel value = (ForkValueViewModel)forkedNode.children[valueIndex];
unlinkedNode.content = value.configNode.content;
}
// For node substitution We don't need the index in the whole tree just
// the index in the parent children list
int index = parent.children.IndexOf(linkedNode);
parent.children.Remove(linkedNode);
parent.children.Insert(index, unlinkedNode);
unlinkedNode.CanBeLinked = true;
unlinkedNode.IsLinkable = false;
}
/// <summary>
/// Link nodes when experiment is loaded from a file. This has to be done once all nodes
/// are loaded.
/// </summary>
private void LinkNodes()
{
var nodeStack = new Stack <ConfigNodeViewModel>(new[] { children[0] });
while (nodeStack.Any())
{
ConfigNodeViewModel node = nodeStack.Pop();
if (node is LinkedNodeViewModel)
{
LinkedNodeViewModel linkedNode = (LinkedNodeViewModel)node;
linkedNode.Origin = DepthFirstSearch(linkedNode.OriginName, linkedNode.OriginAlias);
linkedNode.CreateLinkedNode();
linkedNode.LinkedNode.IsLinkable = false;
linkedNode.LinkedNode.IsLinked = true;
linkedNode.LinkedNode.IsNotLinked = false;
// Add the node to origin linked nodes give the functionality to reflect content
// changes of in all linked nodes
linkedNode.Origin.LinkedNodes.Add(linkedNode.LinkedNode);
if (linkedNode.Origin is ForkedNodeViewModel)
{
ForkedNodeViewModel forkedOrigin = (ForkedNodeViewModel)linkedNode.Origin;
int len = forkedOrigin.children.Count;
for (int i = 0; i < len; i++)
{
ForkedNodeViewModel linkedFork = (ForkedNodeViewModel)linkedNode.LinkedNode;
ForkValueViewModel linkedForkValue = (ForkValueViewModel)linkedFork.children[i];
((ForkValueViewModel)forkedOrigin.children[i]).configNode.LinkedNodes
.Add(linkedForkValue.configNode);
linkedForkValue.configNode.name = linkedNode.name;
linkedForkValue.configNode.comment = linkedNode.comment;
linkedForkValue.configNode.nodeDefinition = linkedNode.nodeDefinition;
}
}
}
WalkThroughBranch(ref nodeStack, node);
}
}
/// <summary>
/// Actually perform the linking with the node.
/// </summary>
/// <param name="targetNode"></param>
public void Link(ConfigNodeViewModel targetNode)
{
var linkedNode = new LinkedNodeViewModel(m_parentExperiment,
m_parentExperiment.LinkOriginNode, targetNode);
var node = m_parentExperiment.DepthFirstSearch(targetNode);
NestedConfigNode parent = (NestedConfigNode)node.m_parent;
// For node substitution we just need the index in the parent children list
int index = parent.children.IndexOf(node);
parent.children.Remove(node);
parent.children.Insert(index, linkedNode);
m_parentExperiment.LinkOriginNode.LinkedNodes.Add(linkedNode.LinkedNode);
// If the origin is a ForkedNode we also need to link the fork values inside
// this is for content changes reflection.
if (m_parentExperiment.LinkOriginNode is ForkedNodeViewModel)
{
ForkedNodeViewModel forkedOrigin = (ForkedNodeViewModel)m_parentExperiment.LinkOriginNode;
int len = forkedOrigin.children.Count;
for (int i = 0; i < len; i++)
{
ForkedNodeViewModel linkedFork = (ForkedNodeViewModel)linkedNode.LinkedNode;
ForkValueViewModel linkedForkValue = (ForkValueViewModel)linkedFork.children[i];
((ForkValueViewModel)forkedOrigin.children[i]).configNode.LinkedNodes
.Add(linkedForkValue.configNode);
linkedForkValue.configNode.name = targetNode.name;
linkedForkValue.configNode.comment = targetNode.comment;
linkedForkValue.configNode.nodeDefinition = targetNode.nodeDefinition;
}
}
linkedNode.LinkedNode.IsLinkable = false;
linkedNode.LinkedNode.IsLinked = true;
linkedNode.LinkedNode.IsNotLinked = false;
}
