+ }
+
+ /**
+ * Answers true if no alignment holds a reference to the given mapping
+ *
+ * @param acf
+ * @return
+ */
+ protected boolean noReferencesTo(AlignedCodonFrame acf)
+ {
+ AlignFrame[] frames = Desktop.getAlignFrames();
+ if (frames == null)
+ {
+ return true;
+ }
+ for (AlignFrame af : frames)
+ {
+ if (!af.isClosed())
+ {
+ for (AlignmentViewPanel ap : af.getAlignPanels())
+ {
+ AlignmentI al = ap.getAlignment();
+ if (al != null && al.getCodonFrames().contains(acf))
+ {
+ return false;
+ }
+ }
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Applies the supplied feature settings descriptor to currently known
+ * features. This supports an 'initial configuration' of feature colouring
+ * based on a preset or user favourite. This may then be modified in the usual
+ * way using the Feature Settings dialogue.
+ *
+ * @param featureSettings
+ */
+ @Override
+ public void applyFeaturesStyle(FeatureSettingsModelI featureSettings)
+ {
+ transferFeaturesStyles(featureSettings, false);
+ }
+
+ /**
+ * Applies the supplied feature settings descriptor to currently known
+ * features. This supports an 'initial configuration' of feature colouring
+ * based on a preset or user favourite. This may then be modified in the usual
+ * way using the Feature Settings dialogue.
+ *
+ * @param featureSettings
+ */
+ @Override
+ public void mergeFeaturesStyle(FeatureSettingsModelI featureSettings)
+ {
+ transferFeaturesStyles(featureSettings, true);
+ }
+
+ /**
+ * when mergeOnly is set, then group and feature visibility or feature colours
+ * are not modified for features and groups already known to the feature
+ * renderer. Feature ordering is always adjusted, and transparency is always
+ * set regardless.
+ *
+ * @param featureSettings
+ * @param mergeOnly
+ */
+ private void transferFeaturesStyles(FeatureSettingsModelI featureSettings,
+ boolean mergeOnly)
+ {
+ if (featureSettings == null)