public GraphEdge(GraphLink link)
: base(link.FromVersion, link.ToVersion, new GraphArrow(link), new NullArrow(link))
{
Link = link;
}
public NullArrow(GraphLink link)
: base(link)
{
}
public GraphArrow(GraphLink link)
{
Link = link;
}
private IGraph CreateDotGraph()
{
List <GraphNode> definitions = new List <GraphNode>();
List <GraphLink> links = new List <GraphLink>();
int?limit = (RevisionLimit != -1) ? RevisionLimit : (int?)null;
var result = _areaVM.Area.GetDAG(limit);
int nextColourIndex = 0;
Color[] colours = new Color[] { Colors.DarkOrange, Colors.Green, Colors.Blue, Colors.Cyan, Colors.Magenta, Colors.Red };
Dictionary <Guid, Tuple <Color, Branch> > branchInfoMap = new Dictionary <Guid, Tuple <Color, Branch> >();
foreach (var x in result.Objects)
{
Tuple <Color, Branch> branchInfo;
if (!branchInfoMap.TryGetValue(x.Object.Branch, out branchInfo))
{
Color colour;
if (x.Object.Parent == null)
{
colour = Colors.White;
}
else
{
colour = colours[nextColourIndex];
nextColourIndex = (nextColourIndex + 1) % colours.Length;
}
branchInfo = new Tuple <Color, Branch>(colour, _areaVM.Area.GetBranch(x.Object.Branch));
branchInfoMap.Add(x.Object.Branch, branchInfo);
}
Color nodeColor = branchInfo.Item1;
string nodeLabel = x.Object.ID.ToString().Substring(0, 8);
nodeLabel += string.Format("\n{0}", x.Object.Author);
if (ShowMessages)
{
nodeLabel += string.Format("\n{0}", x.Object.Message);
}
var mappedHeads = _areaVM.Area.MapVersionToHeads(x.Object.ID);
if (mappedHeads.Count > 0)
{
foreach (var y in mappedHeads)
{
nodeLabel += string.Format("\nHead of \"{0}\"", y.Name);
}
}
GraphNode node = new GraphNode(x.Object, nodeLabel, nodeColor);
definitions.Add(node);
if (x != null)
{
foreach (var y in x.Links)
{
if (result.Lookup.ContainsKey(y.Source))
{
Tuple <Version, int> source = result.Lookup[y.Source];
int linkToID = source.Item2;
Color linkColor = branchInfo.Item1;
string linkLabel = $"\"{branchInfo.Item2.Name}\"";
GraphLink link = new GraphLink(source.Item2, node, linkLabel, linkColor, y.Merge);
links.Add(link);
}
}
}
}
Graph <GraphNode> graph = new Graph <GraphNode>();
definitions.ForEach(x => graph.AddVertex(x));
links.ForEach(x =>
{
GraphNode fromNode = definitions[x.FromVersionID];
x.FromVersion = fromNode;
Debug.Assert(fromNode != x.ToVersion);
Debug.Assert(fromNode != null);
Debug.Assert(x.ToVersion != null);
GraphEdge edge = new GraphEdge(x);
graph.AddEdge(edge);
});
return(graph);
}
