public PreparedDecorationCollection Prepare(string text)
{
PreparedDecorationCollection prepared = new PreparedDecorationCollection();
foreach (Decoration d in mDecorations)
{
prepared.Add(d, d.Ranges(text));
}
return(prepared);
}
public static PreparedDecorationCollection Merge(PreparedDecorationCollection previous, PreparedDecorationCollection current, TextDelta td)
{
if (previous.mDecorations.Count == 0)
{
current.mDifferenceRange = current.Bounds();
return(current);
}
if (AreDecorationsSame(previous, current))
{
PreparedDecorationCollection merged = new PreparedDecorationCollection();
TextIndexList differenceRanges = new TextIndexList();
for (int i = 0; i < previous.Count; i++)
{
TextIndexList previousIndex = previous.Index(i);
TextIndexList currentIndex = current.Index(i);
TextIndex differenceRange = currentIndex.RangeDifferentFrom(previousIndex);
if (differenceRange != null && differenceRange.Length > 0)
{
differenceRanges.Add(differenceRange);
}
}
differenceRanges.Add(td.TextIndex);
merged.mDifferenceRange = differenceRanges.Bounds;
TextIndex activeArea = differenceRanges.Bounds;
if (activeArea != null)
{
for (int i = 0; i < previous.Count; i++)
{
TextIndexList currentIndex = current.Index(i);
TextIndexList projected = currentIndex.Projection(activeArea);
if (projected.IndexLengthUpperBound() > 0)// Are there and textindexes in projected that have a length > 0
{
merged.Add(current.Decoration(i), projected);
}
}
}
return(merged);
}
else
{
current.mAreDecorationsChanged = true;
return(current);
}
}
