/// <summary>
/// Fuegt einen neuen Baustein an der uebergebenen Position ein.
/// </summary>
/// <param name="pos">Position des neuen Bausteins.</param>
/// <param name="stm">Einzufuegender Baustein.</param>
public void addBeforeStm(Statement pos, Statement stm)
{
if (pos == null)
{
StmList.AddBefore(StmList.Last, stm);
}
else
{
StmList.AddBefore(StmList.Find(pos), stm);
}
stm.Parent = this;
stm.Indent = this.Indent + 1;
}
/// <summary>
/// Entfernt den uebergebenen Baustein aus der stmList.
/// </summary>
/// <param name="stm">Zu entfernender Baustein.</param>
public void removeStm(Statement stm)
{
stm.Parent = null;
stm.Indent = 0;
if (stm is ListStm)
{
for (int i = (stm as ListStm).StmList.Count - 2; i >= 0; i--)
{
(stm as ListStm).StmList.ElementAt<Statement>(i).Indent = this.Indent + 1;
this.addBeforeStm(stm, (stm as ListStm).StmList.ElementAt<Statement>(i));
(stm as ListStm).StmList.Remove((stm as ListStm).StmList.ElementAt<Statement>(i));
}
}
stmList.Remove(stm);
}
/// <summary>
/// Prueft ob sich der uebergebene Baustein in der stmList befindet.
/// </summary>
/// <param name="stm">Gesuchter Baustein.</param>
/// <param name="listStm">Zu durchsuchende Liste.</param>
/// <returns>True, wenn der Baustein gefunden wurde. False, wenn nicht.</returns>
public bool stmListContains(Statement stm, ListStm listStm)
{
if (stm == listStm)
return true;
foreach (Statement x in listStm.StmList)
{
if (x is ListStm)
{
if (stmListContains(stm, x as ListStm))
return true;
}
else if(x == stm)
{
return true;
}
}
return false;
}
/// <summary>
/// Aktualisiert die Schriftfarbe des Pseudocodes.
/// </summary>
/// <param name="s"></param>
private void updateFontStyle(Statement s)
{
bool foundOldStm = false;
bool foundNewStm = false;
int indexOld = Config.NOT_USED;
int indexNew = Config.NOT_USED;
foreach(Tuple<Statement, string> x in _stms)
{
if(x.Item2 == Config.TEXT_RED)
{
indexOld = _stms.IndexOf(x);
foundOldStm = true;
}
if(x.Item1 == s)
{
indexNew = _stms.IndexOf(x);
foundNewStm = true;
}
if(foundOldStm && foundNewStm)
{
break;
}
}
if (indexNew != Config.NOT_USED)
{
Tuple<Statement, string> tmpTuple = _stms.ElementAt(indexNew);
_stms.Insert(indexNew, new Tuple<Statement, string>(_stms.ElementAt<Tuple<Statement, string>>(indexNew).Item1, Config.TEXT_RED));
_stms.Remove(tmpTuple);
}
if (indexOld != Config.NOT_USED)
{
Tuple<Statement, string> tmpTuple = _stms.ElementAt(indexOld);
_stms.Insert(indexOld, new Tuple<Statement, string>(_stms.ElementAt(indexOld).Item1, Config.TEXT_NORMAL));
_stms.Remove(tmpTuple);
}
}
