Method undo

src/laybasic/laybasic/layLayoutViewBase.cc:2296–2382

}

void 
LayoutViewBase::undo (db::Op *op)
{
  tl_assert (! transacting ());

  OpSetLayerProps *sop = dynamic_cast <OpSetLayerProps *> (op);
  if (sop) {
    if (sop->m_list_index < m_layer_properties_lists.size ()) {
      set_properties (sop->m_list_index, lay::LayerPropertiesConstIterator (*m_layer_properties_lists [sop->m_list_index], sop->m_index), sop->m_old);
    }
    return;
  }

  OpSetLayerPropsNode *snop = dynamic_cast <OpSetLayerPropsNode *> (op);
  if (snop) {
    if (snop->m_list_index < m_layer_properties_lists.size ()) {
      replace_layer_node (snop->m_list_index, lay::LayerPropertiesConstIterator (*m_layer_properties_lists [snop->m_list_index], snop->m_index), snop->m_old);
    }
    return;
  }

  OpInsertLayerList *ilop = dynamic_cast <OpInsertLayerList *> (op);
  if (ilop) {
    if (ilop->m_list_index <= m_layer_properties_lists.size ()) {
      delete_layer_list (ilop->m_list_index);
    }
    return;
  }

  OpDeleteLayerList *dlop = dynamic_cast <OpDeleteLayerList *> (op);
  if (dlop) {
    if (dlop->m_list_index < m_layer_properties_lists.size ()) {
      insert_layer_list (dlop->m_list_index, dlop->m_old);
    }
    return;
  }

  OpSetAllProps *saop = dynamic_cast <OpSetAllProps *> (op);
  if (saop) {
    if (saop->m_list_index < m_layer_properties_lists.size ()) {
      set_properties (saop->m_list_index, saop->m_old);
    }
    return;
  }

  OpRenameProps *rnop = dynamic_cast <OpRenameProps *> (op);
  if (rnop) {
    if (rnop->m_list_index < m_layer_properties_lists.size ()) {
      rename_properties (rnop->m_list_index, rnop->m_old);
    }
    return;
  }

  OpLayerList *lop = dynamic_cast <OpLayerList *> (op);
  if (lop) {
    if (lop->m_list_index < m_layer_properties_lists.size ()) {
      if (lop->m_mode == OpLayerList::Insert) {
        lay::LayerPropertiesConstIterator iter (*m_layer_properties_lists [lop->m_list_index], lop->m_index);