- if (item_l->empty_b (X_AXIS) || item_l->parent_l (X_AXIS))
- return;
-
- SCM bp=item_l->remove_elt_property ("breakable");
- bool breakable = (to_boolean (bp));
- if (!breakable)
- return ;
-
- SCM align_name = item_l->remove_elt_property ("break-align-symbol");
- if (!gh_symbol_p (align_name))
- return ;
-
- if (!align_l_)
- {
- align_l_ = new Break_align_item;
- align_l_->set_elt_property ("breakable", SCM_BOOL_T);
- announce_element (Score_element_info (align_l_,0));
-
-
- Item * edge = new Item;
- SCM edge_sym = ly_symbol2scm ("Left_edge_item");
- edge->set_elt_property ("break-align-symbol", edge_sym);
-
- Axis_group_interface (edge).set_axes (X_AXIS,X_AXIS);
- /*
- If the element is empty, it will be ignored in the break
- alignment stuff.
-
- TODO: switch off ignoring empty stuff?
- */
- edge->dim_cache_[X_AXIS]->set_extent_callback (Dimension_cache::point_dimension_callback);
-
- align_l_->set_elt_property ("group-center-element", edge->self_scm_);
-
- announce_element (Score_element_info(edge, 0));
- column_alist_ = scm_assoc_set_x (column_alist_, edge_sym, edge->self_scm_);
- }
-
- SCM s = scm_assoc (align_name, column_alist_);
-
- Item * group = 0;
-
- if (s != SCM_BOOL_F)
- {
- Score_element *e = unsmob_element (gh_cdr(s));
- group = dynamic_cast<Item*> (e);
- }
- else
- {
- group = new Item;
-
- Axis_group_interface (group).set_interface ();
- Axis_group_interface (group).set_axes (X_AXIS,X_AXIS);
-
- group->set_elt_property ("break-align-symbol", align_name);
- group->set_parent (align_l_, Y_AXIS);
- announce_element (Score_element_info (group, 0));
- column_alist_ = scm_assoc_set_x (column_alist_, align_name, group->self_scm_);
- }
- Axis_group_interface (group).add_element (item_l);
+ group = make_item ("BreakAlignGroup", item->self_scm ());
+
+ group->set_property ("break-align-symbol", align_name);
+ group->set_parent (align_, Y_AXIS);
+
+ column_alist_ = scm_assoc_set_x (column_alist_, align_name, group->self_scm ());
+
+ Break_alignment_interface::add_element (align_, group);