// documentTop is in timeline coordinates
private void LayoutSubTimeline(
TimelinePath path,
ITimeline timeline, ref float documentTop, bool expandedTimeline, Context c,
TimelineLayout result)
{
//if (c.TestRecursion(timeline))
// return;
RectangleF bounds;
SizeF pixelSize = c.PixelSize;
float margin = pixelSize.Height * m_margin;
float groupTop = documentTop;
float documentBottom = groupTop;
foreach (IGroup group in timeline.Groups)
{
bool expanded = expandedTimeline && group.Expanded;
float groupBottom = groupTop;
float trackTop = groupTop;
foreach (ITrack track in group.Tracks)
{
float eventTop = trackTop + margin;
float trackBottom = eventTop;
foreach (IInterval interval in track.Intervals)
{
bounds = GetBounds(interval, eventTop, c);
trackBottom = Math.Max(trackBottom, bounds.Bottom);
bounds = GdiUtil.Transform(c.Transform, bounds);
// add it, even if 'expandedTimeline' is false, to get the shadow effect
result.Add(path + interval, bounds);
}
foreach (IKey key in track.Keys)
{
bounds = GetBounds(key, eventTop, c);
trackBottom = Math.Max(trackBottom, bounds.Bottom);
bounds = GdiUtil.Transform(c.Transform, bounds);
// add it, even if 'expandedTimeline' is false, to get the shadow effect
result.Add(path + key, bounds);
}
trackBottom += margin;
trackBottom = Math.Max(trackBottom, trackTop + MinimumTrackSize); // need height for track, even if it's empty
bounds = new RectangleF(c.Bounds.X, trackTop, c.Bounds.Width, trackBottom - trackTop);
bounds = GdiUtil.Transform(c.Transform, bounds);
bounds.X = c.ClientRectangle.X;
// add it, even if 'expandedTimeline' is false, to get the shadow effect
result.Add(path + track, bounds);
if (expanded)
trackTop = trackBottom;
groupBottom = Math.Max(groupBottom, trackBottom);
}
// need height for group, even if it's empty
groupBottom = Math.Max(groupBottom, groupTop + Math.Max(margin*2, MinimumTrackSize));
float groupHeight = groupBottom - groupTop;
bounds = new RectangleF(0, groupTop, c.Bounds.Width, groupHeight);
bounds = GdiUtil.Transform(c.Transform, bounds);
bounds.X = c.ClientRectangle.X;
// add it, even if 'expandedTimeline' is false, to get the shadow effect
result.Add(path + group, bounds);
if (expandedTimeline)
groupTop = groupBottom;
documentBottom = Math.Max(documentBottom, groupBottom);
}
if (expandedTimeline)
{
// Draw Markers, but limit them to be within the owning timeline.
RectangleF originalBounds = c.Bounds;
c.Bounds.Height = documentBottom - c.Bounds.Y;
foreach (IMarker marker in timeline.Markers)
{
bounds = GetBounds(marker, c);
bounds = GdiUtil.Transform(c.Transform, bounds);
result.Add(path + marker, bounds);
}
c.Bounds = originalBounds;
}
documentTop = documentBottom;
}
// documentTop is in timeline coordinates
private void LayoutSubTimeline(
TimelinePath path, ref float documentTop, Context c,
TimelineLayout result)
{
SizeF pixelSize = c.PixelSize;
float margin = pixelSize.Height * m_margin;
// Limit Markers, etc., to being drawn within the owning timeline.
RectangleF originalBounds = c.Bounds;
c.Bounds.Y = documentTop;
// Add a large bounding box for the whole TimelineReference row.
float docRowHeight = Math.Max(margin * 2, MinimumTrackSize);
RectangleF refBounds = new RectangleF(c.Bounds.X, documentTop, c.Bounds.Width, docRowHeight);
documentTop += docRowHeight;
// The whole timeline, with all groups and tracks laid out, and offset by the reference.Start.
ITimelineReference reference = (ITimelineReference)path.Last;
TimelineReferenceOptions options = reference.Options;
IHierarchicalTimeline resolved = reference.Target;
if (resolved != null)
{
Matrix localToWorld = D2dTimelineControl.CalculateLocalToWorld(path);
c.PushTransform(localToWorld, MatrixOrder.Prepend);
LayoutSubTimeline(path, resolved, ref documentTop, options.Expanded, c, result);
c.PopTransform();
}
// Now that we know the height of the tallest group, we can update the collapsed rectangle.
if (!options.Expanded)
{
docRowHeight = Math.Max(docRowHeight, documentTop - refBounds.Y);
refBounds.Height = docRowHeight;
}
refBounds = GdiUtil.Transform(c.Transform, refBounds);
result.Add(path, refBounds);
// Restore the bounds so that the horizontal scale (tick marks & numbers) is correct.
c.Bounds = originalBounds;
}