public override void Undo(CustomStrokeCollection strokes)
{
if (strokes.has(Id))
{
CustomStroke old = strokes.get(Id);
if (old.isLocked())
{
throw new Exception("Stroke is Locked");
}
EditionSocket.EditStroke(SerializedStrokeBefore);
CustomStroke updated = SerializationHelper.stringToStroke(JObject.Parse(SerializedStrokeBefore), strokes);
bool selected = ((CustomStroke)old).isSelected();
bool editting = ((CustomStroke)old).isEditing();
((CustomStroke)old).stopEditing();
strokes.Remove(strokes.get(Id));
int newindex = strokes.ToList().FindIndex(stroke => ((CustomStroke)stroke).Index > updated.Index);
try
{
strokes.Insert(newindex, updated);
}
catch
{
strokes.Add(updated);
}
if (selected)
{
strokes.get(updated.Id.ToString()).Select();
}
if (editting)
{
strokes.get(updated.Id.ToString()).startEditing();
}
if (updated is Anchorable)
{
strokes.ToList().FindAll(stroke => stroke is BaseLine).ForEach(stroke => ((BaseLine)stroke).anchorableMoved((Anchorable)updated));
}
}
}
public virtual void Refresh()
{
int index = -1;
if (strokes.has(this.Id.ToString()))
{
if (this is Handleable)
{
((Handleable)strokes.get(this.Id.ToString())).deleteDragHandles();
}
index = strokes.IndexOf(strokes.get(this.Id.ToString()));
if (strokes.has(this.Id.ToString()))
{
strokes.Remove(strokes.get(this.Id.ToString()));
}
}
strokes.Insert(index, this.Clone());
}