public override void OnConnectDeleteOutput(Shadow shadow)
{
base.OnConnectDeleteOutput(shadow);
Table table = GetTransitions();
for (int r = 0; r < table.GetNumRows(); r++)
{
string data = table.GetData(r, (int)TableColumns.Transitions.Goto);
string uid = shadow.GetUniqueId();
if (data.Equals(uid))
{
// cleanup the connector label
ConnectorShadow connectorShadow = PathMaker.LookupShadowByUID(uid) as ConnectorShadow;
if (connectorShadow != null)
{
connectorShadow.SetLabelName(String.Empty);
}
table.DeleteRow(r);
SetTransitionsWithoutRemovingOutputsForDeletedTransitions(table);
// only one per link possible
return;
}
}
}
/**
* Because SetTransitions calls RemoveOutputsForDeletedTransitions, it can result in
* a shape delete. When it's being called because of a connector delete, we can end
* up with an error because we try to delete the same shape twice. This avoids that.
**/
private void SetTransitionsWithoutRemovingOutputsForDeletedTransitions(Table table)
{
List <Connect> connects = GetShapeOutputs();
for (int r = 0; r < table.GetNumRows(); r++)
{
string uid = table.GetData(r, (int)TableColumns.Transitions.Goto);
ConnectorShadow shadow = PathMaker.LookupShadowByUID(uid) as ConnectorShadow;
if (shadow != null)
{
shadow.SetLabelName(table.GetData(r, (int)TableColumns.Transitions.Condition));
}
}
Common.SetCellTable(shape, ShapeProperties.Transitions, table);
}
public override void OnBeforeShapeDelete()
{
base.OnBeforeShapeDelete();
List <Connect> connects = GetShapeOutputs();
Table table = GetTransitions();
for (int r = 0; r < table.GetNumRows(); r++)
{
string uid = table.GetData(r, (int)TableColumns.Transitions.Goto);
ConnectorShadow shadow = PathMaker.LookupShadowByUID(uid) as ConnectorShadow;
if (shadow != null)
{
shadow.SetLabelName(string.Empty);
}
}
}
