+ * set when the current UI interaction has resulted in a change that requires
+ * shading in overviews and structures to be recalculated. this could be
+ * changed to a something more expressive that indicates what actually has
+ * changed, so selective redraws can be applied (ie. only structures, only
+ * overview, etc)
+ */
+ private boolean updateOverviewAndStructs = false; // TODO: refactor to avcontroller
+
+ /**
+ * set if av.getSelectionGroup() refers to a group that is defined on the
+ * alignment view, rather than a transient selection
+ */
+ // private boolean editingDefinedGroup = false; // TODO: refactor to
+ // avcontroller or viewModel
+
+ /**
+ * Sets the status message in alignment panel, showing the sequence number
+ * (index) and id, and residue and residue position if not at a gap, for the
+ * given sequence and column position. Returns the residue position returned
+ * by Sequence.findPosition. Note this may be for the nearest adjacent residue
+ * if at a gapped position.