private void ElementDeletedCallback(VisualElement ve)
{
if (m_MathBook == null)
{
return;
}
switch (ve.userData)
{
case MathNode node:
m_GraphView.window.DestroyNode(node);
break;
case MathPlacemat placemat:
m_GraphView.window.DestroyPlacemat(placemat);
break;
case MathStickyNote stickyNote:
m_GraphView.window.DestroyStickyNote(stickyNote);
break;
case MathBookField mathBookField:
m_MathBook.inputOutputs.RemoveField(mathBookField);
// Removes the containing row from its parent section
BlackboardRow row = ve.GetFirstAncestorOfType <BlackboardRow>();
if (row != null)
{
row.RemoveFromHierarchy();
}
break;
}
}
void DeleteField(BlackboardRow field, FieldModel fieldModel)
{
fieldModel.RemoveFromStruct();
field.RemoveFromHierarchy();
SetModelDirty();
}