public void Reset(string id)
{
Checkout(id);
foreach (var history in Histories.ToList())
{
Commits.Remove(history);
Histories.Remove(history);
if (history.Equals(id))
{
break;
}
}
}
public string Commit(string message)
{
if (string.IsNullOrWhiteSpace(message))
{
throw new ArgumentNullException();
}
var newObj = new HashSet <T>(this.Select(item => (T)item.Clone()));
var commit = new Commit <T>(message, newObj);
var key = $"{commit.HashSet.GetHashCode()}-{EpochTime}";
Histories.Add(key);
Commits.Add(key, commit);
if (Commits.Count > MaxHistory)
{
var old = Histories.Last();
Commits.Remove(old);
Histories.Remove(old);
}
return(key);
}
void UpdateContent(Tuple <double, double, double, double> screenBoundaries)
{
if (Model.Commits.Count == 0)
{
return;
}
List <CommitNodeViewModel> badCommits = Commits.Where(commit => commit.Location.X > screenBoundaries.Item3 || commit.Location.X + 251 < screenBoundaries.Item1).ToList();
List <BranchLabelViewModel> badBranches = Branches.Where(branch => branch.Location.X > screenBoundaries.Item3 || branch.Location.X + 251 < screenBoundaries.Item1 && branch.HitTestVisible).ToList();
List <Edge> badEdges = Edges.Where(edge => (edge.Sink.X < screenBoundaries.Item1 - 251 && edge.Source.X < screenBoundaries.Item1 - 251) || (edge.Sink.X > screenBoundaries.Item3 + 300 && edge.Source.X > screenBoundaries.Item3 + 300)).ToList();
foreach (var edge in badEdges)
{
Edges.Remove(edge); View.Children.Remove(edge);
}
foreach (var bb in badBranches)
{
View.Children.Remove(bb.Control); Branches.Remove(bb); bb.UnsubscribeModel();
}
List <Point> badCommitLocations = badCommits.Select(commit => commit.Location).ToList();
foreach (var bc in badCommits)
{
View.Children.Remove(bc.Control); Commits.Remove(bc); bc.UnsubscribeModel();
}
List <Point> commitLocations = Commits.Select(commit => commit.Location).ToList();
List <Point> branchLocations = Branches.Select(branch => branch.Location).ToList();
List <CommitNodeModel> newCommits = new List <CommitNodeModel>();
List <BranchLabelModel> newBranches = new List <BranchLabelModel>();
int f, c;
for (f = 0; f < Model.Commits.Count; f++)
{
if (Model.Commits[f].Location.X + 251 >= screenBoundaries.Item1)
{
break;
}
}
for (c = f; c < Model.Commits.Count; c++)
{
if (Model.Commits[c].Location.X <= screenBoundaries.Item3)
{
if (!commitLocations.Contains(Model.Commits[c].Location))
{
newCommits.Add(Model.Commits[c]);
}
}
else
{
break;
}
}
foreach (CommitNodeModel m in newCommits)
{
CommitNodeView v = new CommitNodeView();
CommitNodeViewModel vm = new CommitNodeViewModel(m, v);
v.Update();
Commits.Add(vm);
View.Children.Add(v);
}
for (c = 0; c < Model.Branches.Count; c++)
{
if (!branchLocations.Contains(Model.Branches[c].Location) && newCommits.Any(commit => commit.Commit == Model.Branches[c].Branch.Tip))
{
newBranches.Add(Model.Branches[c]);
}
}
foreach (BranchLabelModel m in newBranches)
{
BranchLabelView v = new BranchLabelView();
BranchLabelViewModel vm = new BranchLabelViewModel(m, v);
View.Children.Add(v);
Branches.Add(vm);
}
foreach (var m in newCommits)
{
foreach (var pair in Model.Edges[m])
{
Point source = new Point(pair.Item2.Location.X, pair.Item2.Location.Y + 20);
Point sink = new Point(pair.Item1.Location.X + pair.Item1.MaxWidth, pair.Item1.Location.Y + 20);
if (!Edges.Any(edge => edge.Source == source && edge.Sink == sink))
{
Edge edge = new Edge()
{
Source = source, Sink = sink, StrokeThickness = 2, Stroke = new SolidColorBrush(Colors.Gray)
};
Edges.Add(edge);
View.Children.Add(edge);
}
}
}
}