public void UpdateMove(IEnumerable <ItemsPerTrack> itemsGroups)
{
if (m_Detached)
{
return;
}
m_TrackLocked = true;
var overlap = 0.0;
foreach (var itemsGroup in itemsGroups)
{
var track = itemsGroup.targetTrack;
if (track == null)
{
continue;
}
var prevItemInfo = m_PreviousItem[track];
if (prevItemInfo.item != null)
{
var prevItem = prevItemInfo.item;
var firstItem = itemsGroup.items.OrderBy(c => c.start).First();
if (prevItemInfo.blending)
{
prevItemInfo.blending = prevItem.end > firstItem.start;
}
if (prevItemInfo.blending)
{
var b = EditModeUtils.BlendDuration(firstItem, TrimEdge.End);
overlap = Math.Max(overlap, Math.Max(prevItem.start, prevItem.end - firstItem.end + firstItem.start + b) - firstItem.start);
}
else
{
overlap = Math.Max(overlap, prevItem.end - firstItem.start);
}
}
}
if (overlap > 0)
{
foreach (var itemsGroup in itemsGroups)
{
foreach (var item in itemsGroup.items)
{
item.start += overlap;
}
}
}
var newEnd = itemsGroups.Max(m => m.items.Max(c => c.end));
var offset = newEnd - m_PreviousEnd;
m_PreviousEnd = newEnd;
foreach (var itemsGroup in itemsGroups)
{
foreach (var item in m_NextItems[itemsGroup.targetTrack])
{
item.start += offset;
}
}
}
public void OnBeforeTrim(ITrimmable item, TrimEdge trimDirection)
{
m_Item = item;
var sortedItems = ItemsUtils.GetItemsExcept(item.parentTrack, new[] { item })
.OfType <ITrimmable>()
.OrderBy(c => c.start);
var itemStart = (DiscreteTime)item.start;
var itemEnd = (DiscreteTime)item.end;
var overlapped = sortedItems.LastOrDefault(c => (DiscreteTime)c.start == itemStart && (DiscreteTime)c.end == itemEnd);
ITrimmable nextItem;
ITrimmable prevItem;
m_Min = 0.0;
m_Max = double.PositiveInfinity;
var blendableItem = item as IBlendable;
if (blendableItem != null && blendableItem.supportsBlending)
{
if (trimDirection == TrimEdge.Start)
{
nextItem = sortedItems.FirstOrDefault(c => (DiscreteTime)c.start >= itemStart && (DiscreteTime)c.end > itemEnd);
prevItem = sortedItems.LastOrDefault(c => (DiscreteTime)c.start <= itemStart && (DiscreteTime)c.end < itemEnd);
if (prevItem != null)
{
m_Min = prevItem.start + EditModeUtils.BlendDuration(prevItem, TrimEdge.Start);
}
if (nextItem != null)
{
m_Max = nextItem.start;
}
}
else
{
nextItem = sortedItems.FirstOrDefault(c => c != overlapped && (DiscreteTime)c.start >= itemStart && (DiscreteTime)c.end >= itemEnd);
prevItem = sortedItems.LastOrDefault(c => c != overlapped && (DiscreteTime)c.start <= itemStart && (DiscreteTime)c.end <= itemEnd);
if (prevItem != null)
{
m_Min = prevItem.end;
}
if (nextItem != null)
{
m_Max = nextItem.end - EditModeUtils.BlendDuration(nextItem, TrimEdge.End);
}
}
}
else
{
nextItem = sortedItems.FirstOrDefault(c => (DiscreteTime)c.start > itemStart);
prevItem = sortedItems.LastOrDefault(c => (DiscreteTime)c.start < itemStart);
if (prevItem != null)
{
m_Min = prevItem.end;
}
if (nextItem != null)
{
m_Max = nextItem.start;
}
}
}
public void OnBeforeTrim(ITrimmable item, TrimEdge trimDirection)
{
m_Item = item;
var sortedClips = ItemsUtils.GetItemsExcept(item.parentTrack, new[] { item })
.OfType <ITrimmable>()
.OrderBy(c => c.start);
var clipStart = (DiscreteTime)item.start;
var clipEnd = (DiscreteTime)item.end;
var overlapped = sortedClips.LastOrDefault(c => (DiscreteTime)c.start == clipStart && (DiscreteTime)c.end == clipEnd);
ITrimmable nextItem;
ITrimmable prevItem;
m_Min = 0.0;
m_Max = double.PositiveInfinity;
if (trimDirection == TrimEdge.Start)
{
nextItem = sortedClips.FirstOrDefault(c => (DiscreteTime)c.start >= clipStart && (DiscreteTime)c.end > clipEnd);
prevItem = sortedClips.LastOrDefault(c => (DiscreteTime)c.start <= clipStart && (DiscreteTime)c.end < clipEnd);
if (prevItem != null)
{
m_Min = prevItem.start + EditModeUtils.BlendDuration(prevItem, TrimEdge.Start) + TimelineClip.kMinDuration;
}
if (nextItem != null)
{
m_Max = nextItem.start;
}
m_ItemToBeReplaced = prevItem;
if (m_ItemToBeReplaced != null)
{
m_ClipOriginalEdgeValue = m_ItemToBeReplaced.end;
}
}
else
{
nextItem = sortedClips.FirstOrDefault(c => c != overlapped && (DiscreteTime)c.start >= clipStart && (DiscreteTime)c.end >= clipEnd);
prevItem = sortedClips.LastOrDefault(c => c != overlapped && (DiscreteTime)c.start <= clipStart && (DiscreteTime)c.end <= clipEnd);
if (prevItem != null)
{
m_Min = prevItem.end;
}
if (nextItem != null)
{
m_Max = nextItem.end - EditModeUtils.BlendDuration(nextItem, TrimEdge.End) - TimelineClip.kMinDuration;
}
m_ItemToBeReplaced = nextItem;
if (m_ItemToBeReplaced != null)
{
m_ClipOriginalEdgeValue = m_ItemToBeReplaced.start;
}
}
m_TrimReplace = false;
}