private GetNextNodeDelegate CalculGetNextNode(IncrementalSearchOption aIncr)
{
if (aIncr == IncrementalSearchOption.VisibleOnly)
{
if (FCurrentDirection == SearchDirectionOption.Forward)
{
return(new GetNextNodeDelegate(FOwner.NextVisibleNode));
}
else
{
return(new GetNextNodeDelegate(FOwner.PrevVisibleNode));
}
}
else
{
if (FCurrentDirection == SearchDirectionOption.Forward)
{
return(new GetNextNodeDelegate(FOwner.NextVisibleOrNotNode));
}
else
{
return(new GetNextNodeDelegate(FOwner.PrevVisibleOrNotNode));
}
}
}
public Node Search(Node aStart, string aText, IncrementalSearchOption aTypeSearch, int aDisplayColumn)
{
Node Run = aStart;
GetNextNodeDelegate GetNextNode;
GetNextNode = CalculGetNextNode(aTypeSearch);
switch (aTypeSearch)
{
case IncrementalSearchOption.All:
if (Run == null)
{
Run = (Node)FOwner.FirstVisible();
}
break;
case IncrementalSearchOption.VisibleOnly:
if (Run == null)
{
Run = (Node)FOwner.FirstVisible();
}
else if (!Node.IsFullyVisible(Run))
{
Run = Node.NextVisibleNode(Run);
}
break;
}
if (Run != null)
{
Node Stop = Run;
do
{
if (FOwner.DoIncrementalSearch1(Run, aText, aDisplayColumn))
{
return(Run);
}
Run = GetNextNode(Run);
}while (Run != null && Run != Stop);
}
return(null);
}
