void Thumb_Move(FadeThumb sender, double change, double?total)
{
int i = thumbs.IndexOf(sender);
if (i == 0 || i == thumbs.Count - 1)
{
return;
}
double left = Canvas.GetLeft(thumbs[i - 1]) + 1;
double right = Canvas.GetLeft(thumbs[i + 1]) - 1;
double old = Canvas.GetLeft(sender);
double x = old + change;
x = (x < left)? left : x;
x = (x > right)? right : x;
Fade.ThumbMoveUndoEntry entry = new Fade.ThumbMoveUndoEntry(
_fade,
i,
(x - total ?? 0) / Gradient.Width,
x / Gradient.Width
);
if (total != null)
{
Program.Project.Undo.Add(entry);
}
entry.Redo();
}
void Thumb_Move(FadeThumb sender, double change, double?total)
{
int i = thumbs.IndexOf(sender);
double left = Canvas.GetLeft(thumbs[i - 1]) + 1;
double right = Canvas.GetLeft(thumbs[i + 1]) - 1;
double old = Canvas.GetLeft(sender);
double x = old + change;
x = (x < left)? left : x;
x = (x > right)? right : x;
double pos = x / Gradient.Width;
if (total != null)
{
double u = x - total.Value / Gradient.Width;
List <int> path = Track.GetPath(_fade);
Program.Project.Undo.Add($"Fade Color {i + 1} Moved", () => {
Track.TraversePath <Fade>(path).SetPosition(i, u);
}, () => {
Track.TraversePath <Fade>(path).SetPosition(i, pos);
});
}
_fade.SetPosition(i, pos);
}
public void Contents_Insert(int index, Color color)
{
FadeThumb thumb = new FadeThumb()
{
Owner = this,
Fill = color.ToBrush()
};
thumbs.Insert(index, thumb);
Canvas.SetLeft(thumb, _fade.GetPosition(index) * Gradient.Width);
thumb.Moved += Thumb_Move;
thumb.Focused += Thumb_Focus;
thumb.Deleted += Thumb_Delete;
thumb.StartHere += Thumb_StartHere;
thumb.EndHere += Thumb_EndHere;
thumb.TypeChanged += Thumb_ChangeFadeType;
canvas.Children.Add(thumb);
if (_fade.Expanded != null && index <= _fade.Expanded)
{
_fade.Expanded++;
}
UpdateThumbMenus();
}
private void Thumb_Move(FadeThumb sender, double change, double?total)
{
int i = thumbs.IndexOf(sender);
double left = Canvas.GetLeft(thumbs[i - 1]) + 1;
double right = Canvas.GetLeft(thumbs[i + 1]) - 1;
double old = Canvas.GetLeft(sender);
double x = old + change;
x = (x < left)? left : x;
x = (x > right)? right : x;
decimal pos = (decimal)x / 200;
if (total != null)
{
double u = x - total.Value;
List <int> path = Track.GetPath(_fade);
Program.Project.Undo.Add($"Fade Color {i + 1} Moved", () => {
((Fade)Track.TraversePath(path)).SetPosition(i, (decimal)u / 200);
}, () => {
((Fade)Track.TraversePath(path)).SetPosition(i, pos);
});
}
_fade.SetPosition(i, pos);
}
public void thumbnails_MouseEnter(object sender, MouseEventArgs e)
{
FadeThumb.Stop();
Image imgRef = (Image)sender;
FadeThumb.SetValue(Storyboard.TargetNameProperty, imgRef.Name);
FadeThumb.Begin();
}
private void playVideo()
{
FadeThumb.Stop();
vidStage.SetValue(MediaElement.SourceProperty, currentVidCategory[playIndex]);
vidStage.AutoPlay = true;
createThumbnails();
FadeThumb.SetValue(Storyboard.TargetNameProperty, "thumb" + playIndex);
FadeThumb.Begin();
FadeIn.Begin();
}
private void showPicture()
{
FadeThumb.Stop();
//FadeIn.Stop();
imgStage.SetValue(Image.SourceProperty, new BitmapImage(currentPicCategory[playIndex]));
createThumbnails();
FadeThumb.SetValue(Storyboard.TargetNameProperty, "thumb" + playIndex);
FadeThumb.Begin();
FadeIn.Begin();
}
void Thumb_ChangeFadeType(FadeThumb sender, FadeType newType)
{
int index = thumbs.IndexOf(sender);
FadeType oldType = _fade.GetFadeType(index);
List <int> path = Track.GetPath(_fade);
Program.Project.Undo.Add($"Fade Type {index + 1} Changed to {newType}", () => {
Track.TraversePath <Fade>(path).SetFadeType(index, oldType);
}, () => {
Track.TraversePath <Fade>(path).SetFadeType(index, newType);
});
_fade.SetFadeType(index, newType);
}
private void Thumb_Delete(FadeThumb sender)
{
int index = thumbs.IndexOf(sender);
Color uc = _fade.GetColor(index).Clone();
decimal up = _fade.GetPosition(index);
List <int> path = Track.GetPath(_fade);
Program.Project.Undo.Add($"Fade Color {index + 1} Removed", () => {
((Fade)Track.TraversePath(path)).Insert(index, uc, up);
}, () => {
((Fade)Track.TraversePath(path)).Remove(index);
});
_fade.Remove(index);
}
void Thumb_Delete(FadeThumb sender)
{
int index = thumbs.IndexOf(sender);
Color uc = _fade.GetColor(index).Clone();
double up = _fade.GetPosition(index);
FadeType ut = _fade.GetFadeType(index);
List <int> path = Track.GetPath(_fade);
Program.Project.Undo.Add($"Fade Color {index + 1} Removed", () => {
Track.TraversePath <Fade>(path).Insert(index, uc, up, ut);
}, () => {
Track.TraversePath <Fade>(path).Remove(index);
});
_fade.Remove(index);
}
public void Contents_Insert(int index, Color color)
{
FadeThumb thumb = new FadeThumb();
thumbs.Insert(index, thumb);
Canvas.SetLeft(thumb, (double)_fade.GetPosition(index) * 200);
thumb.Moved += Thumb_Move;
thumb.Focused += Thumb_Focus;
thumb.Deleted += Thumb_Delete;
thumb.Fill = color.ToBrush();
canvas.Children.Add(thumb);
if (current != null && index <= current)
{
current++;
}
}
void Thumb_Focus(FadeThumb sender) => Expand(thumbs.IndexOf(sender));
public FadeType GetFadeType(FadeThumb sender) => _fade.GetFadeType(thumbs.IndexOf(sender));
void Thumb_ChangeFadeType(FadeThumb sender, FadeType newType) => Program.Project.Undo.AddAndExecute(new Fade.ThumbTypeUndoEntry(
_fade,
thumbs.IndexOf(sender),
newType
));
void Thumb_EndHere(FadeThumb sender) => Program.Project.Undo.AddAndExecute(new Fade.EndHereUndoEntry(
_fade,
thumbs.IndexOf(sender)
));
void Thumb_Delete(FadeThumb sender) => Program.Project.Undo.AddAndExecute(new Fade.ThumbRemoveUndoEntry(
_fade,
thumbs.IndexOf(sender)
));
