Method cm_cell_replace

src/layui/layui/layLayoutViewFunctions.cc:458–543

}

void
LayoutViewFunctions::cm_cell_replace ()
{
  int cv_index = view ()->active_cellview_index ();
  std::vector<lay::LayoutViewBase::cell_path_type> paths;
  view ()->selected_cells_paths (cv_index, paths);

  if (cv_index >= 0 && paths.size () > 0) {

    if (paths.size () > 1) {
      throw tl::Exception (tl::to_string (tr ("Replace cell cannot be used when multiple cells are selected")));
    }

    db::Layout &layout = view ()->cellview (cv_index)->layout ();

    bool needs_to_ask = false;
    for (std::vector<lay::LayoutViewBase::cell_path_type>::const_iterator p = paths.begin (); p != paths.end () && ! needs_to_ask; ++p) {
      if (layout.is_valid_cell_index (p->back ()) && ! layout.cell (p->back ()).is_leaf ()) {
        needs_to_ask = true;
      }
    }


    lay::ReplaceCellOptionsDialog mode_dialog (parent_widget ());

    db::cell_index_type with_cell = paths.front ().back ();
    int mode = needs_to_ask ? m_del_cell_mode : 0;

    if (mode_dialog.exec_dialog (view ()->cellview (cv_index), mode, with_cell)) {

      if (needs_to_ask) {
        m_del_cell_mode = mode;
      }

      if (with_cell != paths.front ().back ()) {

        //  remember the current path
        lay::LayoutViewBase::cell_path_type cell_path (view ()->cellview (cv_index).combined_unspecific_path ());

        view ()->clear_selection ();

        view ()->transaction (tl::to_string (tr ("Replace cells")));

        //  replace instances of the target cell with the new cell 

        db::cell_index_type target_cell_index = paths.front ().back ();
        layout.replace_instances_of (target_cell_index, with_cell);

        std::set<db::cell_index_type> cells_to_delete;
        for (std::vector<lay::LayoutViewBase::cell_path_type>::const_iterator p = paths.begin (); p != paths.end (); ++p) {
          if (! p->empty () && layout.is_valid_cell_index (p->back ())) {
            cells_to_delete.insert (p->back ());
            if (mode == 2) {
              layout.cell (p->back ()).collect_called_cells (cells_to_delete);
            }
          }
        }