public static Behavior GetMoveDisplayObjectsDownBehavior(string moduleName, List <string> elementNames)
{
if (string.IsNullOrWhiteSpace(moduleName) || !moduleName.Equals(GlobalData.CurrentModule))
{
return(null);
}
if (elementNames == null || elementNames.Count == 0)
{
return(null);
}
string lastElementName = GlobalData.CurrentDisplayObjects[GlobalData.CurrentDisplayObjects.Count - 1].name;
int idx = elementNames.FindIndex(lastElementName.Equals);
if (idx != -1)
{
return(null);
}
return(new Behavior(isReDo => DisplayObjectUtil.MoveDisplayObjectsDownBehavior(moduleName, elementNames),
isReUndo => DisplayObjectUtil.MoveDisplayObjectsUpBehavior(moduleName, elementNames),
BehaviorType.MoveSelectDisplayObjectsDown));
}
