/// <summary>
/// Moves the objects represented by the current ghosts to be at the position of
/// the ghosts</summary>
protected virtual void MoveSelection()
{
// To avoid setting the dirty bit in custom applications.
// http://sf.ship.scea.com/sf/go/artf22506
PointF dragOffset = m_owner.GetDragOffset();
if ((dragOffset.X == 0.0f) && (dragOffset.Y == 0.0f))
{
return;
}
// If we're dragging up, then don't create new tracks
if (dragOffset.Y < 0)
{
foreach (GhostInfo ghost in m_ghosts)
{
if (!ghost.Valid)
{
return;
}
}
}
// If Control key is being held down, then we're in copy mode.
bool tryToCopy = (Control.ModifierKeys == Keys.Control);
m_owner.TransactionContext.DoTransaction(delegate
{
ITimeline timeline = m_owner.TimelineDocument.Timeline;
Dictionary <ITrack, ITrack> newTrackMap = new Dictionary <ITrack, ITrack>();
List <Sce.Atf.Pair <ITrack, IEvent> > toAdd = new List <Sce.Atf.Pair <ITrack, IEvent> >();
for (int i = 0; i < m_ghosts.Length; i++)
{
GhostInfo ghost = m_ghosts[i];
ITimelineObject ghostCopy = null;
if (tryToCopy)
{
ICloneable cloneable = ghost.Object as ICloneable;
if (cloneable != null)
{
ghostCopy = cloneable.Clone() as ITimelineObject;
}
}
ITimelineReference reference = ghost.Object as ITimelineReference;
if (reference != null)
{
if (ghostCopy != null)
{
reference = (ITimelineReference)ghostCopy;
}
reference.Start = ghost.Start;
if (ghostCopy != null && timeline is IHierarchicalTimelineList)
{
((IHierarchicalTimelineList)timeline).References.Add(reference);
}
continue;
}
IInterval interval = ghost.Object as IInterval;
if (interval != null)
{
if (ghostCopy != null)
{
interval = (IInterval)ghostCopy;
}
interval.Start = ghost.Start;
interval.Length = ghost.Length;
ITrack target = (ITrack)ghost.Target;
if (target != interval.Track)
{
if (target == null)
{
target = CreateTargetTrack(interval.Track, newTrackMap);
}
if (ghostCopy == null)
{
interval.Track.Intervals.Remove(interval);
}
toAdd.Add(new Sce.Atf.Pair <ITrack, IEvent>(target, interval));
}
continue;
}
IKey key = ghost.Object as IKey;
if (key != null)
{
if (ghostCopy != null)
{
key = (IKey)ghostCopy;
}
key.Start = ghost.Start;
ITrack target = (ITrack)ghost.Target;
if (target != key.Track)
{
if (target == null)
{
target = CreateTargetTrack(key.Track, newTrackMap);
}
if (ghostCopy == null)
{
key.Track.Keys.Remove(key);
}
toAdd.Add(new Sce.Atf.Pair <ITrack, IEvent>(target, key));
}
continue;
}
IMarker marker = ghost.Object as IMarker;
if (marker != null)
{
if (ghost.Valid &&
marker.Start != ghost.Start)
{
if (ghostCopy != null)
{
IMarker markerCopy = (IMarker)ghostCopy;
markerCopy.Start = ghost.Start;
marker.Timeline.Markers.Add(markerCopy);
}
else
{
marker.Start = ghost.Start;
}
}
continue;
}
ITrack track = ghost.Object as ITrack;
if (track != null)
{
ITrack target = (ITrack)ghost.Target;
if (target != null &&
target != track)
{
if (ghostCopy != null)
{
track = (ITrack)ghostCopy;
}
int index = target.Group.Tracks.IndexOf(target);
if (ghostCopy == null)
{
track.Group.Tracks.Remove(track);
}
target.Group.Tracks.Insert(index, track);
}
continue;
}
IGroup group = ghost.Object as IGroup;
if (group != null)
{
IGroup target = (IGroup)ghost.Target;
if (target != null &&
target != group)
{
if (ghostCopy != null)
{
group = (IGroup)ghostCopy;
}
int index = m_owner.TimelineDocument.Timeline.Groups.IndexOf(target);
if (ghostCopy == null)
{
m_owner.TimelineDocument.Timeline.Groups.Remove(group);
}
m_owner.TimelineDocument.Timeline.Groups.Insert(index, group);
}
continue;
}
}
// So that when multiple intervals from multiple tracks are relocated to a different
// set of tracks, we need to remove them all and then add them all. If the remove and
// adds are done in pairs, one by one, then the events can step on each other. artf32260
foreach (Sce.Atf.Pair <ITrack, IEvent> trackEventPair in toAdd)
{
if (trackEventPair.Second is IInterval)
{
trackEventPair.First.Intervals.Add((IInterval)trackEventPair.Second);
}
else
{
trackEventPair.First.Keys.Add((IKey)trackEventPair.Second);
}
}
},
"Move Events".Localize("Move Manipulator's undo / redo description for moving timeline events"));
}
// gets move information, for drawing ghosts and for performing actual move operation
private GhostInfo[] GetMoveGhostInfo(Matrix worldToView, TimelineLayout layout)
{
// get start and y offsets in timeline space
PointF dragOffset = m_owner.GetDragOffset();
// Get snapping points along the timeline (in world coordinates).
List<float> movingPoints = new List<float>(2);
TimelinePath snapperPath;
if (m_mouseMoveHitRecord != null)
snapperPath = m_mouseMoveHitRecord.HitPath;//use the last clicked event (interval, key or marker)
else
snapperPath = m_owner.Selection.LastSelected as TimelinePath;//moving a group or track, for example
IEvent snapperEvent = snapperPath != null ? snapperPath.Last as IEvent : null;
if (snapperEvent != null)
{
Matrix localToWorld = TimelineControl.CalculateLocalToWorld(snapperPath);
float worldStart = GdiUtil.Transform(localToWorld, snapperEvent.Start + dragOffset.X);
movingPoints.Add(worldStart);
if (snapperEvent.Length > 0.0f)
movingPoints.Add(GdiUtil.Transform(localToWorld, snapperEvent.Start + dragOffset.X + snapperEvent.Length));
}
// Get the offset from one of the world snap points to the closest non-selected object.
float snapOffset;
try
{
s_snapOptions.FilterContext = snapperEvent;
s_snapOptions.Filter = new TimelineControl.SnapFilter(MoveSnapFilter);
snapOffset = m_owner.GetSnapOffset(movingPoints, s_snapOptions);
}
finally
{
s_snapOptions.FilterContext = null;
s_snapOptions.Filter = null;
}
// adjust dragOffset to "snap-to" nearest event
dragOffset.X += snapOffset;
// get offsets in client space
float xOffset = dragOffset.X * worldToView.Elements[0];
float yOffset = dragOffset.Y * worldToView.Elements[3];
TimelinePath[] targets = GetMoveTargets(layout);
GhostInfo[] ghosts = new GhostInfo[targets.Length];
int i = -1;
foreach(TimelinePath path in m_owner.Selection.Selection)
{
i++;
ITimelineObject timelineObject = path.Last;
RectangleF bounds = layout[path];
TimelinePath targetPath = targets[i];
ITimelineObject target = targetPath != null ? targetPath.Last : null;
float start = 0;
float length = 0;
bool valid = true;
IInterval interval = timelineObject as IInterval;
IKey key = timelineObject as IKey;
IMarker marker = timelineObject as IMarker;
ITrack track = timelineObject as ITrack;
IGroup group = timelineObject as IGroup;
ITimelineReference reference = timelineObject as ITimelineReference;
if (interval != null)
{
ITrack targetTrack = target as ITrack;
start = interval.Start + dragOffset.X;
length = interval.Length;
valid =
targetTrack != null &&
m_owner.Constraints.IsStartValid(interval, ref start) &&
m_owner.Constraints.IsLengthValid(interval, ref length);
if (valid)
{
yOffset = layout[target].Y - layout[interval.Track].Y;
TimelinePath testPath = new TimelinePath(targetPath);
foreach (IInterval other in targetTrack.Intervals)
{
// skip selected intervals, since they are moving too
testPath.Last = other;
if (m_owner.Selection.SelectionContains(testPath))
continue;
if (!m_owner.Constraints.IsIntervalValid(interval, ref start, ref length, other))
{
valid = false;
break;
}
}
}
}
else if (reference != null)
{
// don't allow for vertical repositioning yet
start = reference.Start + dragOffset.X;
valid = true;
}
else if (key != null)
{
start = key.Start + dragOffset.X;
ITrack targetTrack = target as ITrack;
valid =
targetTrack != null &&
m_owner.Constraints.IsStartValid(key, ref start);
if (valid)
{
yOffset = layout[targetTrack].Y - layout[key.Track].Y;
}
}
else if (marker != null)
{
start = marker.Start + dragOffset.X;
yOffset = 0;
valid = m_owner.Constraints.IsStartValid(marker, ref start);
}
else if (track != null)
{
xOffset = 0;
if (target == null)
{
target =
(m_owner.DragDelta.Y < 0) ? GetLastTrack() : GetFirstTrack();
}
}
else if (group != null)
{
xOffset = 0;
if (target == null)
{
IList<IGroup> groups = m_owner.TimelineDocument.Timeline.Groups;
target = (m_owner.DragDelta.Y < 0) ? groups[0] : groups[groups.Count - 1];
}
}
bounds.Offset(xOffset, yOffset);
ghosts[i] = new GhostInfo(timelineObject, target, start, length, bounds, valid);
}
return ghosts;
}
// gets move information, for drawing ghosts and for performing actual move operation
private GhostInfo[] GetMoveGhostInfo(Matrix worldToView, TimelineLayout layout)
{
// get start and y offsets in timeline space
PointF dragOffset = m_owner.GetDragOffset();
// Get snapping points along the timeline (in world coordinates).
List <float> movingPoints = new List <float>(2);
TimelinePath snapperPath;
if (m_mouseMoveHitRecord != null)
{
snapperPath = m_mouseMoveHitRecord.HitPath;//use the last clicked event (interval, key or marker)
}
else
{
snapperPath = m_owner.Selection.LastSelected as TimelinePath;//moving a group or track, for example
}
IEvent snapperEvent = snapperPath != null ? snapperPath.Last as IEvent : null;
if (snapperEvent != null)
{
Matrix localToWorld = TimelineControl.CalculateLocalToWorld(snapperPath);
float worldStart = GdiUtil.Transform(localToWorld, snapperEvent.Start + dragOffset.X);
movingPoints.Add(worldStart);
if (snapperEvent.Length > 0.0f)
{
movingPoints.Add(GdiUtil.Transform(localToWorld, snapperEvent.Start + dragOffset.X + snapperEvent.Length));
}
}
// Get the offset from one of the world snap points to the closest non-selected object.
float snapOffset;
try
{
s_snapOptions.FilterContext = snapperEvent;
s_snapOptions.Filter = new TimelineControl.SnapFilter(MoveSnapFilter);
snapOffset = m_owner.GetSnapOffset(movingPoints, s_snapOptions);
}
finally
{
s_snapOptions.FilterContext = null;
s_snapOptions.Filter = null;
}
// adjust dragOffset to "snap-to" nearest event
dragOffset.X += snapOffset;
// get offsets in client space
float xOffset = dragOffset.X * worldToView.Elements[0];
float yOffset = dragOffset.Y * worldToView.Elements[3];
TimelinePath[] targets = GetMoveTargets(layout);
GhostInfo[] ghosts = new GhostInfo[targets.Length];
int i = -1;
foreach (TimelinePath path in m_owner.Selection.Selection)
{
i++;
ITimelineObject timelineObject = path.Last;
RectangleF bounds = layout[path];
TimelinePath targetPath = targets[i];
ITimelineObject target = targetPath != null ? targetPath.Last : null;
float start = 0;
float length = 0;
bool valid = true;
IInterval interval = timelineObject as IInterval;
IKey key = timelineObject as IKey;
IMarker marker = timelineObject as IMarker;
ITrack track = timelineObject as ITrack;
IGroup group = timelineObject as IGroup;
ITimelineReference reference = timelineObject as ITimelineReference;
if (interval != null)
{
ITrack targetTrack = target as ITrack;
start = interval.Start + dragOffset.X;
length = interval.Length;
valid =
targetTrack != null &&
m_owner.Constraints.IsStartValid(interval, ref start) &&
m_owner.Constraints.IsLengthValid(interval, ref length);
if (valid)
{
yOffset = layout[target].Y - layout[interval.Track].Y;
TimelinePath testPath = new TimelinePath(targetPath);
foreach (IInterval other in targetTrack.Intervals)
{
// skip selected intervals, since they are moving too
testPath.Last = other;
if (m_owner.Selection.SelectionContains(testPath))
{
continue;
}
if (!m_owner.Constraints.IsIntervalValid(interval, ref start, ref length, other))
{
valid = false;
break;
}
}
}
}
else if (reference != null)
{
// don't allow for vertical repositioning yet
start = reference.Start + dragOffset.X;
valid = true;
}
else if (key != null)
{
start = key.Start + dragOffset.X;
ITrack targetTrack = target as ITrack;
valid =
targetTrack != null &&
m_owner.Constraints.IsStartValid(key, ref start);
if (valid)
{
yOffset = layout[targetTrack].Y - layout[key.Track].Y;
}
}
else if (marker != null)
{
start = marker.Start + dragOffset.X;
yOffset = 0;
valid = m_owner.Constraints.IsStartValid(marker, ref start);
}
else if (track != null)
{
xOffset = 0;
if (target == null)
{
target =
(m_owner.DragDelta.Y < 0) ? GetLastTrack() : GetFirstTrack();
}
}
else if (group != null)
{
xOffset = 0;
if (target == null)
{
IList <IGroup> groups = m_owner.TimelineDocument.Timeline.Groups;
target = (m_owner.DragDelta.Y < 0) ? groups[0] : groups[groups.Count - 1];
}
}
bounds.Offset(xOffset, yOffset);
ghosts[i] = new GhostInfo(timelineObject, target, start, length, bounds, valid);
}
return(ghosts);
}
/// <summary>
/// Creates and caches resize information, for drawing ghosts and for performing
/// actual resize operations</summary>
/// <param name="layout">TimelineLayout</param>
/// <param name="worldDrag">Drag offset</param>
/// <param name="worldToView">World to view transformation matrix</param>
/// <returns>Array of GhostInfo</returns>
internal GhostInfo[] CreateGhostInfo(TimelineLayout layout, float worldDrag, Matrix worldToView)
{
// Get snap-from point in world coordinates.
float[] movingPoints = new[] { worldDrag + m_originalBoundary };
float snapOffset = m_owner.GetSnapOffset(movingPoints, null);
// adjust dragOffset to snap-to nearest event
worldDrag += snapOffset;
DragOffsetWithSnap = worldDrag;
GhostInfo[] ghosts = new GhostInfo[m_selection.Count];
IEnumerator <TimelinePath> events = m_selection.GetEnumerator();
m_worldGhostMin = float.MaxValue;
m_worldGhostMax = float.MinValue;
for (int i = 0; i < ghosts.Length; i++)
{
events.MoveNext();
IEvent curr = (IEvent)events.Current.Last;
RectangleF bounds = layout[events.Current];
float viewStart = bounds.Left;
float viewEnd = viewStart + bounds.Width;
float worldStart = curr.Start;
float worldEnd = worldStart + curr.Length;
Resize(
worldDrag,
worldToView,
ref viewStart, ref viewEnd,
ref worldStart, ref worldEnd);
float worldLength = worldEnd - worldStart;
bounds = new RectangleF(viewStart, bounds.Y, viewEnd - viewStart, bounds.Height);
if (m_worldGhostMin > worldStart)
{
m_worldGhostMin = worldStart;
}
if (m_worldGhostMax < worldEnd)
{
m_worldGhostMax = worldEnd;
}
bool valid = true;
IInterval interval = curr as IInterval;
if (interval != null)
{
TimelinePath testPath = new TimelinePath(events.Current);
foreach (IInterval other in interval.Track.Intervals)
{
// Skip this interval if it's part of the selection because we have to assume
// that the track began in a valid state and that all of the selected objects
// will still be valid relative to each other. We only need to check that the
// scaled objects are valid relative to the stationary objects.
testPath.Last = other;
if (Mode == ScaleMode.TimePeriod &&
m_selection.Contains(testPath))
{
continue;
}
else if (other == interval)
{
continue;
}
if (!m_owner.Constraints.IsIntervalValid(interval, ref worldStart, ref worldLength, other))
{
valid = false;
break;
}
}
}
ghosts[i] = new GhostInfo(curr, null, worldStart, worldLength, bounds, valid);
}
m_ghosts = ghosts;
return(ghosts);
}
