private HiddenCollection GetHiddenCollection([NotNull] string tag)
{
if (!_hiddenCollections.TryGetValue(tag, out HiddenCollection collection))
{
collection = new HiddenCollection();
_hiddenCollections[tag] = collection;
}
return(collection);
}
protected HiddenCollection GetHiddenCollection(string tag)
{
HiddenCollection h;
if (!hiddenCollections.TryGetValue(tag, out h))
{
h = new HiddenCollection();
hiddenCollections[tag] = h;
}
return(h);
}
/// <inheritdoc />
public bool HideEdge(TEdge edge, string tag)
{
HiddenCollection collection = GetHiddenCollection(tag);
var hideEdgeHandler = new EdgeAction <TVertex, TEdge>(e => collection.HiddenEdges.Add(e));
EdgeHidden += hideEdgeHandler;
bool hidden = HideEdge(edge);
EdgeHidden -= hideEdgeHandler;
return(hidden);
}
public bool HideVertex(TVertex v, string tag)
{
HiddenCollection h = GetHiddenCollection(tag);
var eeh = new EdgeAction <TVertex, TEdge>(e => h.hiddenEdges.Add(e));
var veh = new VertexAction <TVertex>(vertex => h.hiddenVertices.Add(vertex));
EdgeHidden += eeh;
VertexHidden += veh;
bool ret = HideVertex(v);
EdgeHidden -= eeh;
VertexHidden -= veh;
return(ret);
}
public bool Unhide(string tag)
{
HiddenCollection h = GetHiddenCollection(tag);
foreach (TVertex v in h.hiddenVertices)
{
UnhideVertex(v);
}
foreach (TEdge e in h.hiddenEdges)
{
UnhideEdge(e);
}
return(hiddenCollections.Remove(tag));
}
/// <inheritdoc />
public bool Unhide(string tag)
{
HiddenCollection collection = GetHiddenCollection(tag);
foreach (TVertex vertex in collection.HiddenVertices)
{
UnhideVertex(vertex);
}
foreach (TEdge edge in collection.HiddenEdges)
{
UnhideEdge(edge);
}
return(_hiddenCollections.Remove(tag));
}
/// <inheritdoc />
public bool HideVertex(TVertex vertex, string tag)
{
HiddenCollection collection = GetHiddenCollection(tag);
var hideEdgeHandler = new EdgeAction <TVertex, TEdge>(e => collection.HiddenEdges.Add(e));
var hideVertexHandler = new VertexAction <TVertex>(v => collection.HiddenVertices.Add(v));
EdgeHidden += hideEdgeHandler;
VertexHidden += hideVertexHandler;
bool hidden = HideVertex(vertex);
EdgeHidden -= hideEdgeHandler;
VertexHidden -= hideVertexHandler;
return(hidden);
}
