/// <summary>
/// Construct a new surrogate for another <see cref="ITimelineTrack" />.
/// </summary>
/// <param name="substituteFor">The ITimelineTrack we're substituting for.</param>
public TrackSurrogate(ITimelineTrack substituteFor)
{
SubstituteFor = substituteFor;
Start = substituteFor.Start;
End = substituteFor.End;
Name = substituteFor.Name;
}
/// <summary>
/// Construct a new surrogate for another <see cref="ITimelineTrack" />.
/// </summary>
/// <param name="substituteFor">The ITimelineTrack we're substituting for.</param>
public TrackSurrogate( ITimelineTrack substituteFor )
{
SubstituteFor = substituteFor;
Start = substituteFor.Start;
End = substituteFor.End;
Name = substituteFor.Name;
}
/// <summary>
/// Construct a new surrogate for another <see cref="ITimelineTrack" />.
/// </summary>
/// <param name="substituteFor">The ITimelineTrack we're substituting for.</param>
public TrackSurrogate(ITimelineTrack substituteFor)
{
SubstituteFor = substituteFor;
Start = substituteFor.Start;
End = substituteFor.End;
ID = substituteFor.ID;
}
/// <summary>
/// Calculate the bounding rectangle for a track in screen-space.
/// </summary>
/// <param name="track">
/// The track for which to calculate the bounding rectangle.
/// </param>
/// <param name="timeline">The timeline the track lives on.</param>
/// <returns>The bounding rectangle for the given track.</returns>
internal static RectangleF GetTrackExtents(ITimelineTrack track, TimelineControl timeline)
{
int trackIndex = timeline.TrackIndexForTrack(track);
IKeyFrame firstKF = track.KeyFrames.First();
IKeyFrame lastKF = track.KeyFrames.Last();
return(RectangleToTrackExtents(new RectangleF(firstKF.T, 0, lastKF.T - firstKF.T, 0), timeline, trackIndex));
}
/// <summary>
/// Construct a new surrogate for another <see cref="ITimelineTrack" />.
/// </summary>
/// <param name="substituteFor">The ITimelineTrack we're substituting for.</param>
public TrackSurrogate(ITimelineTrack substituteFor)
{
SubstituteFor = substituteFor;
//create surrogates of the keyframes that the original track has
KeyFrames = new List <IKeyFrame>();
foreach (IKeyFrame kf in substituteFor.KeyFrames)
{
KeyFrames.Add(new KeyFrameSurrogate(kf));
}
Name = substituteFor.Name;
}
/// <summary>
/// Calculate the bounding rectangle for a KeyFrame in screen-space.
/// </summary>
/// <param name="track">
/// The track which the keyframe is a part of
/// </param>
/// <param name="kf">
/// The keyframe in question
/// </param>
/// <param name="timeline">The timeline the track lives on.</param>
/// <returns>The bounding rectangle for the given keyframe.</returns>
internal static RectangleF GetKeyFrameExtents(ITimelineTrack track, IKeyFrame kf, TimelineControl timeline)
{
Rectangle trackAreaBounds = timeline.GetTrackAreaBounds();
int trackIndex = timeline.TrackIndexForTrack(track);
RectangleF kfRectangle = new RectangleF();
kfRectangle.X = trackAreaBounds.X + (kf.T * timeline.RenderingScale.X) - timeline.KeyFrameWidth / 2 + timeline.RenderingOffset.X;
kfRectangle.Width = timeline.KeyFrameWidth;
kfRectangle.Height = (timeline.TrackHeight) * timeline.RenderingScale.Y;
kfRectangle.Y = trackAreaBounds.Y + ((kfRectangle.Height + timeline.TrackSpacing) * trackIndex) + timeline.RenderingOffset.Y;
return(kfRectangle);
}
private void tlDesignView_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Delete)
{
if (tlDesignView.SelectedTracks.Count() > 0)
{
if (MessageBox.Show("真的要进行吗？", "提示", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
ClearPropertyPanel();
foreach (ITimelineTrack tt in tlDesignView.SelectedTracks)
{
if (tt is StartTrack)
{
continue;
}
defaultParts.TrackElementList.Remove(tt);
}
tlDesignView.Invalidate();
}
}
}
else if (e.KeyCode == Keys.D || e.KeyCode == Keys.S)
{
if (tlDesignView.SelectedTracks.Count() > 0)
{
ITimelineTrack first = tlDesignView.SelectedTracks.First();
int indexx = defaultParts.TrackElementList.IndexOf(first);
if (indexx >= 0 && defaultParts.TrackElementList.Count - 1 > indexx)
{
tlDesignView.SelectTrack(defaultParts.TrackElementList[indexx + 1]);
}
}
}
else if (e.KeyCode == Keys.A || e.KeyCode == Keys.W)
{
if (tlDesignView.SelectedTracks.Count() > 0)
{
ITimelineTrack first = tlDesignView.SelectedTracks.First();
int indexx = defaultParts.TrackElementList.IndexOf(first);
if (indexx >= 1)
{
tlDesignView.SelectTrack(defaultParts.TrackElementList[indexx - 1]);
}
}
}
}
/// <summary>
/// Calculate the bounding rectangle for the lifetime of a track in screen-space.
/// </summary>
/// <param name="track">
/// The track which the keyframe is a part of
/// </param>
/// <param name="timeline">The timeline the track lives on.</param>
/// <returns>The bounding rectangle for the given keyframe.</returns>
internal static RectangleF GetTrackLifetimeExtents(ITimelineTrack track, TimelineControl timeline)
{
Rectangle trackAreaBounds = timeline.GetTrackAreaBounds();
int trackIndex = timeline.TrackIndexForTrack(track);
RectangleF firstKFExtent = GetKeyFrameExtents(track, track.KeyFrames.First(), timeline);
RectangleF lastKFExtent = GetKeyFrameExtents(track, track.KeyFrames.Last(), timeline);
RectangleF lifetime = new RectangleF();
lifetime.X = firstKFExtent.X;
lifetime.Width = lastKFExtent.X + lastKFExtent.Width - firstKFExtent.X;
lifetime.Height = firstKFExtent.Height;
lifetime.Y = firstKFExtent.Y;
return(lifetime);
}
/// <summary>
/// Calculate the bounding rectangle for a track in screen-space.
/// </summary>
/// <param name="track">
/// The track for which to calculate the bounding rectangle.
/// </param>
/// <param name="timeline">The timeline the track lives on.</param>
/// <returns>The bounding rectangle for the given track.</returns>
internal static RectangleF GetTrackExtents(ITimelineTrack track, Timeline timeline)
{
int trackIndex = timeline.TrackIndexForTrack(track);
return(RectangleToTrackExtents(new RectangleF(track.Start, 0, track.End.GetValueOrDefault() - track.Start, 0), timeline, trackIndex));
}
/// <summary>
/// Copies all properties of the surrogate to another <see cref="ITimelineTrack" />.
/// </summary>
/// <param name="target">The target timeline track to copy the properties to.</param>
public void CopyTo( ITimelineTrack target )
{
target.Start = Start;
target.End = End;
}
/// <summary>
/// Copies all properties of the surrogate to another <see cref="ITimelineTrack" />.
/// </summary>
/// <param name="target">The target timeline track to copy the properties to.</param>
public void CopyTo(ITimelineTrack target)
{
target.Start = Start;
target.End = End;
}
/// <summary>
/// Retrieve the index of a given track.
/// If the track is a surrogate, returns the index of the track it's a substitute for.
/// </summary>
/// <param name="track">The track for which to retrieve the index.</param>
/// <returns>The index of the track or the index the track is a substitute for.</returns>
internal int TrackIndexForTrack( ITimelineTrack track )
{
ITimelineTrack trackToLookFor = track;
if( track is TrackSurrogate ) {
trackToLookFor = ( (TrackSurrogate)track ).SubstituteFor;
}
return _tracks.FindIndex( t => t.TrackElements.Contains( trackToLookFor ) );
}
/// <summary>
/// Add a track to the timeline.
/// </summary>
/// <param name="track">The track to add.</param>
public void AddTrack( ITimelineTrack track )
{
_tracks.Add( new SingleTrackToMultiTrackWrapper( track ) );
RecalculateScrollbarBounds();
Invalidate();
}
/// <summary>
/// Construct a new SingleTrackToMultiTrackWrapper.
/// </summary>
/// <param name="track">The timeline track that should be wrapped.</param>
public SingleTrackToMultiTrackWrapper(ITimelineTrack track)
{
_wrappedTrack = track;
DisplayText = _wrappedTrack.DisplayText;
ID = "DeviceParts_" + Guid.NewGuid().ToString();
}
/// <summary>
/// Construct a new SelectionChangedEventArgs instance.
/// </summary>
/// <param name="selected">The track elements that were deselected in the operation.</param>
/// <param name="deselected">The tracks that were selected in the operation.</param>
public SelectionChangedEventArgs(ITimelineTrack selected, ITimelineTrack deselected)
{
Selected = selected;
Deselected = deselected;
}
/// <summary>
/// Calculate the bounding rectangle for a track in screen-space.
/// </summary>
/// <param name="track">
/// The track for which to calculate the bounding rectangle.
/// </param>
/// <param name="timeline">The timeline the track lives on.</param>
/// <returns>The bounding rectangle for the given track.</returns>
internal static RectangleF GetTrackExtents( ITimelineTrack track, Timeline timeline )
{
int trackIndex = timeline.TrackIndexForTrack( track );
return RectangleToTrackExtents( new RectangleF( track.Start, 0, track.End - track.Start, 0 ), timeline, trackIndex );
}
/// <summary>
/// Construct a new TrackSelectionEventsArgs instance
/// </summary>
/// <param name="track">The track that was selected</param>
public TrackSelectionEventsArgs(ITimelineTrack track)
{
SelectedTrack = track;
}
/// <summary>
/// Construct a new SingleTrackToMultiTrackWrapper.
/// </summary>
/// <param name="track">The timeline track that should be wrapped.</param>
public SingleTrackToMultiTrackWrapper(ITimelineTrack track)
{
_wrappedTrack = track;
}
/// <summary>
/// Copies all properties of the surrogate to another <see cref="ITimelineTrack" />.
/// </summary>
/// <param name="target">The target timeline track to copy the properties to.</param>
public void CopyTo(ITimelineTrack target)
{
target.KeyFrames = Extensions.Clone <IKeyFrame>(KeyFrames);
target.Name = Name;
}
/// <summary>
/// Construct a new SingleTrackToMultiTrackWrapper.
/// </summary>
/// <param name="track">The timeline track that should be wrapped.</param>
public SingleTrackToMultiTrackWrapper( ITimelineTrack track )
{
_wrappedTrack = track;
}
