+ /**
+ * Answers true if split screen protein and cDNA use the same font
+ *
+ * @return
+ */
+ @Override
+ boolean isProteinFontAsCdna();
+
+ /**
+ * Set the flag for whether split screen protein and cDNA use the same font
+ *
+ * @return
+ */
+ @Override
+ void setProteinFontAsCdna(boolean b);
+
+ void setHmmProfiles(ProfilesI info);
+
+ ProfilesI getHmmProfiles();
+
+ /**
+ * Registers and starts a worker thread to calculate Information Content
+ * annotation, if it is not already registered
+ *
+ * @param ap
+ */
+ void initInformationWorker(AlignmentViewPanel ap);
+
+ boolean isInfoLetterHeight();
+
+ public abstract TreeModel getCurrentTree();
+
+ /**
+ * Answers a data bean containing data for export as configured by the
+ * supplied options
+ *
+ * @param options
+ * @return
+ */
+ AlignmentExportData getAlignExportData(AlignExportSettingsI options);
+
+ public abstract void setCurrentTree(TreeModel tree);
+
+ /**
+ * @param update
+ * - set the flag for updating structures on next repaint
+ */
+ void setUpdateStructures(boolean update);
+
+ /**
+ *
+ * @return true if structure views will be updated on next refresh
+ */
+ boolean isUpdateStructures();
+
+ /**
+ * check if structure views need to be updated, and clear the flag afterwards.
+ *
+ * @return if an update is needed
+ */
+ boolean needToUpdateStructureViews();
+
+ /**
+ * Adds sequencegroup to the alignment in the view. Also adds a group to the
+ * complement view if one is defined.
+ *
+ * @param sequenceGroup
+ * - a group defined on sequences in the alignment held by the view
+ */
+ void addSequenceGroup(SequenceGroup sequenceGroup);
+
+ /**
+ * Returns an interator over the [start, end] column positions of the visible
+ * regions of the alignment
+ *
+ * @param selectedRegionOnly
+ * if true, and the view has a selection region,
+ * then only the intersection of visible columns
+ * with the selection region is returned
+ * @return
+ */
+ Iterator<int[]> getViewAsVisibleContigs(boolean selectedRegionOnly);