private void UnbindFromNode(ChainNode node)
{
node.TransferRequested -= HandleNodeTransferRequested;
node.HasErrorChanged -= HandleChildHasErrorChanged;
node.DisabledChanged -= HandleNodeDisabledChanged;
node.Destroying -= HandleNodeDestroying;
}
private void HandleStateTargetRemoved(SelectionState state, ChainNode target)
{
var isUniqueTarget = SelectionStates.SelectMany(s => s).Count(t => t == target) == 0;
if (isUniqueTarget)
{
target.UntargetRequested -= HandleTargetUntargetRequested;
target.Schema = MutableObject.Empty;
UniqueTargetRemoved(target);
if (!NodeParents.ContainsKey(target))
{
Debug.LogWarning("Odd... removing entry from NodeParents despite entry being missing. Kay... ");
}
else
{
NodeParents.Remove(target);
}
}
else
{
if (!NodeParents.ContainsKey(target))
{
Debug.LogError("Crap... modifying entry in NodeParents despite entry being missing. That's a problem... ");
}
else
{
NodeParents[target].States.Remove(state);
}
}
}
public void UntargetNode(ChainNode nodeToUntarget)
{
foreach (var state in SelectionStatesEnumerable)
{
state.RemoveTarget(nodeToUntarget, false);
}
}
private void BindToNode(ChainNode node)
{
node.TransferRequested += HandleNodeTransferRequested;
node.HasErrorChanged += HandleChildHasErrorChanged;
node.DisabledChanged += HandleNodeDisabledChanged;
node.Destroying += HandleNodeDestroying;
}
private void RemoveNode(ChainNode node, bool recurse, bool isTransfer = false)
{
if (!isTransfer)
{
node.RequestUntargeting();
}
UnbindFromNode(node);
if (recurse)
{
foreach (var target in node.Router.UniqueTargets)
{
RemoveNode(target, true, isTransfer);
}
}
if (!isTransfer)
{
node.Router.UntargetAllTargets();
}
Nodes.Remove(node);
UpdateHasError();
NodeRemoved(node, isTransfer);
}
private void HandleNodeTransferRequested(ChainNode nodeToTransfer, ChainGroup destinationGroup)
{
// TODO: Can make transfers recursive here? What does that mean if descendents are in another group already?
RemoveNode(nodeToTransfer, recurse: false, isTransfer: true);
destinationGroup.AddNode(nodeToTransfer, recurse: false, isTransfer: true);
}
private void HandleStateTargetAdded(SelectionState stateWithNewTarget, ChainNode newTarget, List <UndoItem> returnUndos)
{
// Cache this before the next step...
bool isNewTargetForThisRouter = SelectionStates.SelectMany(s => s).Count(t => t == newTarget) == 1;
// If a state adds a new target, all the other states in the router which are from a different group or no group, which contain the new target, remove that target.
if (returnUndos != null)
{
returnUndos.AddRange(SelectionStates.Where(s => s != stateWithNewTarget && (s.GroupId != stateWithNewTarget.GroupId || s.GroupId == "") && s.Contains(newTarget))
.Select(s => s.RemoveTarget(newTarget, true)));
}
else
{
foreach (var state in SelectionStates.Where(s => s != stateWithNewTarget && (s.GroupId != stateWithNewTarget.GroupId || s.GroupId == "") && s.Contains(newTarget)))
{
state.RemoveTarget(newTarget, false);
}
}
if (isNewTargetForThisRouter)
{
// This won't target this router, we're not listening to it yet...
newTarget.RequestUntargeting();
// Bind to this event AFTER requesting the untargeting...
newTarget.UntargetRequested += HandleTargetUntargetRequested;
UniqueTargetAdded(newTarget);
if (NodeParents.ContainsKey(newTarget))
{
Debug.LogWarning("Interesting... adding entry to NodeParents despite entry existing. Clearing... ");
NodeParents.Remove(newTarget);
}
NodeParents[newTarget] = new NodeSelectionStatesPair()
{
Node = Owner
};
NodeParents[newTarget].States.Add(stateWithNewTarget);
}
else
{
if (!NodeParents.ContainsKey(newTarget))
{
Debug.LogError("Uhm... modifying entry in NodeParents despite entry being missing. Correcting... ");
NodeParents[newTarget] = new NodeSelectionStatesPair()
{
Node = Owner
};
}
NodeParents[newTarget].States.Add(stateWithNewTarget);
}
if (SelectionStates.SelectMany(s => s).Count(t => t == newTarget) == 1)
{
OutputSchemaRefreshRequested();
}
}
[UsedImplicitly] // Recursive...
public bool HasDescendent(ChainNode possibleDescendent)
{
if (Router.UniqueTargets.Any(target => target.HasDescendent(possibleDescendent)))
{
return(true);
}
return(this == possibleDescendent);
}
private void HandleRouterTargetRemoved(ChainNode target)
{
if (target.ImplicitlyDisabled)
{
target.ImplicitlyDisabled = false;
}
TargetsDirty();
}
public void AddNode(ChainNode node, bool recurse, bool isTransfer = false)
{
BindToNode(node);
if (recurse)
{
foreach (var target in node.Router.UniqueTargets)
{
AddNode(target, true);
}
}
Nodes.Add(node);
UpdateHasError();
NodeAdded(node, isTransfer);
}
private void HandleRouterTargetAdded(ChainNode target)
{
target.ImplicitlyDisabled = Disabled;
TargetsDirty();
}
private void HandleTargetUntargetRequested(ChainNode nodeToUntarget)
{
UntargetNode(nodeToUntarget);
}
private void HandleNodeDestroying(ChainNode node)
{
RemoveNode(node, false);
}