private void Plotter_CommitsChanged(object sender, CommitsChangedEventArgs e)
{
const int moveAnimationDurationInMilliseconds = 2500;
const int fadeInDurationInMilliseconds = 3000;
Console.WriteLine("Added " + e.AddedCommits.Length + ", removed " + e.RemovedCommits.Length + ", moved " + e.MovedCommits.Length);
foreach (var commit in e.AddedCommits)
{
spritesByCommitHash.Add(commit.Hash, new RevisionSprite(commit));
Point destinationLocation = CellNumberToAbsoluteLocation(Plotter.GetCellNumber(commit.Hash));
// When we first start up, we don't want to fade in everything. But when commits get added, we want to animate that.
if (e.WasTriggeredByInitialLoad)
{
spritesByCommitHash[commit.Hash].X.PopTo(destinationLocation.X);
spritesByCommitHash[commit.Hash].Y.PopTo(destinationLocation.Y);
spritesByCommitHash[commit.Hash].Opacity.PopTo(1);
}
else
{
// If this commit is being copied from another commit (i.e. if the hash is identical to another commit), animate moving it from the old commit to the new one.
List <string> duplicateDiffCommitHashes = this.GetCommitsWithIdenticalDiff(commit.Hash);
if (duplicateDiffCommitHashes.Count > 0)
{
// Arbitrarily pick one of the commits to say it's a duplicate of if there's more than one.
var duplicatedRevision = duplicateDiffCommitHashes[duplicateDiffCommitHashes.Count - 1];
Point sourceLocation = CellNumberToAbsoluteLocation(Plotter.GetCellNumber(duplicatedRevision));
// The source cell might be moving (done down below), so we need the start location, not the end location.
foreach (var movedCommit in e.MovedCommits)
{
if (movedCommit.Revision.Hash == duplicatedRevision)
{
sourceLocation = CellNumberToAbsoluteLocation(movedCommit.StartCellCoordinates);
break;
}
}
spritesByCommitHash[commit.Hash].X.Animate(sourceLocation.X, destinationLocation.X, DateTime.Now, DateTime.Now.AddMilliseconds(moveAnimationDurationInMilliseconds));
spritesByCommitHash[commit.Hash].Y.Animate(sourceLocation.Y, destinationLocation.Y, DateTime.Now, DateTime.Now.AddMilliseconds(moveAnimationDurationInMilliseconds));
spritesByCommitHash[commit.Hash].Opacity.PopTo(1);
}
else
{
spritesByCommitHash[commit.Hash].X.PopTo(destinationLocation.X);
spritesByCommitHash[commit.Hash].Y.PopTo(destinationLocation.Y);
spritesByCommitHash[commit.Hash].Opacity.Animate(0, 1, DateTime.Now, DateTime.Now.AddMilliseconds(fadeInDurationInMilliseconds));
}
}
}
foreach (var commit in e.MovedCommits)
{
Point sourceLocation = CellNumberToAbsoluteLocation(commit.StartCellCoordinates);
Point destinationLocation = CellNumberToAbsoluteLocation(commit.EndCellCoordinates);
spritesByCommitHash[commit.Revision.Hash].X.Animate(sourceLocation.X, destinationLocation.X, DateTime.Now, DateTime.Now.AddMilliseconds(moveAnimationDurationInMilliseconds));
spritesByCommitHash[commit.Revision.Hash].Y.Animate(sourceLocation.Y, destinationLocation.Y, DateTime.Now, DateTime.Now.AddMilliseconds(moveAnimationDurationInMilliseconds));
}
foreach (var commit in e.RemovedCommits)
{
spritesByCommitHash.Remove(commit.Hash);
}
StartAnimationTimer(3);
Invalidate();
}