void DragMarker(Marker marker, int destColumn)
{
var markerToRemove = Document.Current.Animation.Markers.FirstOrDefault(m => m.Frame == destColumn);
if (marker.Frame != destColumn && markerToRemove != null)
{
DeleteMarker.Perform(markerToRemove, false);
}
// Delete and add marker again, because we want to maintain the markers order.
DeleteMarker.Perform(marker, false);
SetProperty.Perform(marker, "Frame", destColumn);
SetMarker.Perform(marker, true);
}
void ShiftTimeline(int destColumn)
{
var delta = destColumn - timeline.CurrentColumn;
if (delta > 0)
{
TimelineHorizontalShift.Perform(timeline.CurrentColumn, delta);
}
else if (delta < 0)
{
foreach (var node in Document.Current.Container.Nodes)
{
foreach (var animator in node.Animators.Where(i => i.AnimationId == Document.Current.AnimationId).ToList())
{
RemoveKeyframeRange.Perform(animator, destColumn, timeline.CurrentColumn - 1);
}
}
foreach (var marker in Document.Current.Animation.Markers.Where(m => m.Frame >= destColumn && m.Frame < timeline.CurrentColumn).ToList())
{
DeleteMarker.Perform(marker, removeDependencies: false);
}
TimelineHorizontalShift.Perform(destColumn, delta);
}
}
private void Stretch(IntRectangle boundaries, DragSide side, int newPos, bool stretchMarkers)
{
int length;
if (side == DragSide.Left)
{
length = boundaries.Right - newPos - 1;
}
else
{
length = newPos - boundaries.Left - 1;
}
int oldLength = boundaries.Right - boundaries.Left - 1;
var processed = new HashSet <IAnimator>();
foreach (var animable in GridSelection.EnumerateAnimators(boundaries))
{
foreach (var animator in animable.Animators)
{
if (animator.AnimationId != Document.Current.AnimationId || processed.Contains(animator) || !savedKeyframes.ContainsKey(animator))
{
continue;
}
processed.Add(animator);
IEnumerable <IKeyframe> saved = savedKeyframes[animator];
if (
side == DragSide.Left && length < oldLength ||
side == DragSide.Right && length > oldLength
)
{
saved = saved.Reverse();
}
foreach (var key in saved)
{
RemoveKeyframe.Perform(animator, key.Frame);
}
foreach (var key in saved)
{
double relpos = savedPositions[key];
int newFrame;
if (side == DragSide.Left)
{
newFrame = (int)Math.Round(newPos + relpos * length);
}
else
{
newFrame = (int)Math.Round(boundaries.Left + relpos * length);
}
var newKey = key.Clone();
newKey.Frame = newFrame;
SetAnimableProperty.Perform(
animable.Host, animator.TargetPropertyPath, newKey.Value,
createAnimatorIfNeeded: true,
createInitialKeyframeForNewAnimator: false,
newKey.Frame
);
SetKeyframe.Perform(animable.Host, animator.TargetPropertyPath, Document.Current.AnimationId, newKey);
}
}
}
if (stretchMarkers)
{
foreach (var marker in savedMarkers)
{
DeleteMarker.Perform(marker, removeDependencies: false);
}
foreach (var marker in savedMarkers)
{
double relpos = savedMarkerPositions[marker];
int newFrame;
if (side == DragSide.Left)
{
newFrame = (int)Math.Round(newPos + relpos * length);
}
else
{
newFrame = (int)Math.Round(boundaries.Left + relpos * length);
}
var newMarker = marker.Clone();
newMarker.Frame = newFrame;
SetMarker.Perform(newMarker, removeDependencies: false);
}
}
}
private void Stretch(Boundaries boundaries, DragSide side, int newPos, bool stretchMarkers)
{
int length;
if (side == DragSide.Left)
{
length = boundaries.Right - newPos - 1;
}
else
{
length = newPos - boundaries.Left - 1;
}
int oldLength = boundaries.Right - boundaries.Left - 1;
for (int i = boundaries.Top; i <= boundaries.Bottom; ++i)
{
if (!(Document.Current.Rows[i].Components.Get <NodeRow>()?.Node is IAnimationHost animable))
{
continue;
}
foreach (var animator in animable.Animators.ToList())
{
IEnumerable <IKeyframe> saved = savedKeyframes[animator];
if (
side == DragSide.Left && length < oldLength ||
side == DragSide.Right && length > oldLength
)
{
saved = saved.Reverse();
}
foreach (var key in saved)
{
RemoveKeyframe.Perform(animator, key.Frame);
}
foreach (var key in saved)
{
double relpos = savedPositions[key];
int newFrame;
if (side == DragSide.Left)
{
newFrame = (int)Math.Round(newPos + relpos * length);
}
else
{
newFrame = (int)Math.Round(boundaries.Left + relpos * length);
}
var newKey = key.Clone();
newKey.Frame = newFrame;
SetAnimableProperty.Perform(
animable, animator.TargetPropertyPath, newKey.Value,
createAnimatorIfNeeded: true,
createInitialKeyframeForNewAnimator: false,
newKey.Frame
);
SetKeyframe.Perform(animable, animator.TargetPropertyPath, Document.Current.AnimationId, newKey);
}
}
}
if (stretchMarkers)
{
foreach (var marker in savedMarkers)
{
DeleteMarker.Perform(Document.Current.Container, marker, removeDependencies: false);
}
foreach (var marker in savedMarkers)
{
double relpos = savedMarkerPositions[marker];
int newFrame;
if (side == DragSide.Left)
{
newFrame = (int)Math.Round(newPos + relpos * length);
}
else
{
newFrame = (int)Math.Round(boundaries.Left + relpos * length);
}
var newMarker = marker.Clone();
newMarker.Frame = newFrame;
SetMarker.Perform(Document.Current.Container, newMarker, removeDependencies: false);
}
}
}