+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<SequenceFeature> findFeaturesAtResidue(SequenceI sequence,
+ int fromResNo, int toResNo)
+ {
+ List<SequenceFeature> result = new ArrayList<>();
+ if (!av.areFeaturesDisplayed() || getFeaturesDisplayed() == null)
+ {
+ return result;
+ }
+
+ /*
+ * include features at the position provided their feature type is
+ * displayed, and feature group is null or the empty string
+ * or marked for display
+ */
+ List<String> visibleFeatures = getDisplayedFeatureTypes();
+ String[] visibleTypes = visibleFeatures
+ .toArray(new String[visibleFeatures.size()]);
+ List<SequenceFeature> features = sequence.getFeatures().findFeatures(
+ fromResNo, toResNo, visibleTypes);
+
+ for (SequenceFeature sf : features)
+ {
+ if (!featureGroupNotShown(sf) && getColour(sf) != null)
+ {
+ result.add(sf);
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Removes from the list of features any whose group is not shown, or that are
+ * visible and duplicate the location of a visible feature of the same type.
+ * Should be used only for features of the same, simple, feature colour (which
+ * normally implies the same feature type). No filtering is done if
+ * transparency, or any feature filters, are in force.
+ *
+ * @param features
+ */
+ public void filterFeaturesForDisplay(List<SequenceFeature> features)
+ {
+ /*
+ * fudge: JalviewJS's IntervalStore lacks the sort method called :-(
+ */
+ if (Platform.isJS())
+ {
+ return;
+ }
+
+ /*
+ * don't remove 'redundant' features if
+ * - transparency is applied (feature count affects depth of feature colour)
+ * - filters are applied (not all features may be displayable)
+ */
+ if (features.isEmpty() || transparency != 1f
+ || !featureFilters.isEmpty())
+ {
+ return;
+ }
+
+ SequenceFeatures.sortFeatures(features, true);
+ SequenceFeature lastFeature = null;
+
+ Iterator<SequenceFeature> it = features.iterator();
+ while (it.hasNext())
+ {
+ SequenceFeature sf = it.next();
+ if (featureGroupNotShown(sf))
+ {
+ it.remove();
+ continue;
+ }
+
+ /*
+ * a feature is redundant for rendering purposes if it has the
+ * same extent as another (so would just redraw the same colour);
+ * (checking type and isContactFeature as a fail-safe here, although
+ * currently they are guaranteed to match in this context)
+ */
+ if (lastFeature != null
+ && sf.getBegin() == lastFeature.getBegin()
+ && sf.getEnd() == lastFeature.getEnd()
+ && sf.isContactFeature() == lastFeature.isContactFeature()
+ && sf.getType().equals(lastFeature.getType()))
+ {
+ it.remove();
+ }
+ lastFeature = sf;
+ }
+ }
+
+ @Override
+ public Map<String, FeatureMatcherSetI> getFeatureFilters()
+ {
+ return featureFilters;
+ }
+
+ @Override
+ public void setFeatureFilters(Map<String, FeatureMatcherSetI> filters)
+ {
+ featureFilters = filters;
+ }
+
+ @Override
+ public FeatureMatcherSetI getFeatureFilter(String featureType)
+ {
+ return featureFilters.get(featureType);
+ }
+
+ @Override
+ public void setFeatureFilter(String featureType, FeatureMatcherSetI filter)
+ {
+ if (filter == null || filter.isEmpty())
+ {
+ featureFilters.remove(featureType);
+ }
+ else
+ {
+ featureFilters.put(featureType, filter);
+ }
+ }
+
+ /**
+ * Answers the colour for the feature, or null if the feature is excluded by
+ * feature group visibility, by filters, or by colour threshold settings. This
+ * method does not take feature type visibility into account.
+ *
+ * @param sf
+ * @param fc
+ * @return
+ */
+ public Color getColor(SequenceFeature sf, FeatureColourI fc)
+ {
+ /*
+ * is the feature group displayed?
+ */
+ if (featureGroupNotShown(sf))
+ {
+ return null;
+ }
+
+ /*
+ * does the feature pass filters?
+ */
+ if (!featureMatchesFilters(sf))
+ {
+ return null;
+ }
+
+ return fc.getColor(sf);
+ }
+
+ /**
+ * Answers true if there no are filters defined for the feature type, or this
+ * feature matches the filters. Answers false if the feature fails to match
+ * filters.
+ *
+ * @param sf
+ * @return
+ */
+ protected boolean featureMatchesFilters(SequenceFeature sf)
+ {
+ FeatureMatcherSetI filter = featureFilters.get(sf.getType());
+ return filter == null ? true : filter.matches(sf);
+ }
+
+ /**
+ * Answers true unless the specified group is set to hidden. Defaults to true
+ * if group visibility is not set.
+ *
+ * @param group
+ * @return
+ */
+ public boolean isGroupVisible(String group)
+ {
+ if (!featureGroups.containsKey(group))
+ {
+ return true;
+ }
+ return featureGroups.get(group);
+ }
+
+ /**
+ * Orders features in render precedence (last in order is last to render, so
+ * displayed on top of other features)
+ *
+ * @param order
+ */
+ public void orderFeatures(Comparator<String> order)
+ {
+ Arrays.sort(renderOrder, order);
+ }
+
+ @Override
+ public MappedFeatures findComplementFeaturesAtResidue(SequenceI sequence,
+ int pos)
+ {
+ SequenceI ds = sequence.getDatasetSequence();
+ if (ds == null)
+ {
+ ds = sequence;
+ }
+ final char residue = ds.getCharAt(pos - ds.getStart());
+
+ List<SequenceFeature> found = new ArrayList<>();
+ List<AlignedCodonFrame> mappings = this.av.getAlignment()
+ .getCodonFrame(sequence);
+
+ /*
+ * fudge: if no mapping found, check the complementary alignment
+ * todo: only store in one place? StructureSelectionManager?
+ */
+ if (mappings.isEmpty())
+ {
+ mappings = this.av.getCodingComplement().getAlignment()
+ .getCodonFrame(sequence);
+ }
+
+ /*
+ * todo: direct lookup of CDS for peptide and vice-versa; for now,
+ * have to search through an unordered list of mappings for a candidate
+ */
+ Mapping mapping = null;
+ SequenceI mapFrom = null;
+
+ for (AlignedCodonFrame acf : mappings)
+ {
+ mapping = acf.getMappingForSequence(sequence);
+ if (mapping == null || !mapping.getMap().isTripletMap())
+ {
+ continue; // we are only looking for 3:1 or 1:3 mappings
+ }
+ SearchResultsI sr = new SearchResults();
+ acf.markMappedRegion(ds, pos, sr);
+ for (SearchResultMatchI match : sr.getResults())
+ {
+ int fromRes = match.getStart();
+ int toRes = match.getEnd();
+ mapFrom = match.getSequence();
+ List<SequenceFeature> fs = findFeaturesAtResidue(
+ mapFrom, fromRes, toRes);
+ for (SequenceFeature sf : fs)
+ {
+ if (!found.contains(sf))
+ {
+ found.add(sf);
+ }
+ }
+ }
+
+ /*
+ * just take the first mapped features we find
+ */
+ if (!found.isEmpty())
+ {
+ break;
+ }
+ }
+ if (found.isEmpty())
+ {
+ return null;
+ }
+
+ /*
+ * sort by renderorder, inefficiently
+ */
+ List<SequenceFeature> result = new ArrayList<>();
+ for (String type : renderOrder)
+ {
+ for (SequenceFeature sf : found)
+ {
+ if (type.equals(sf.getType()))
+ {
+ result.add(sf);
+ if (result.size() == found.size())
+ {
+ return new MappedFeatures(mapping, mapFrom, pos, residue,
+ result);
+ }
+ }
+ }
+ }
+
+ return new MappedFeatures(mapping, mapFrom, pos, residue, result);
+ }
+
+ @Override
+ public boolean isVisible(SequenceFeature feature)
+ {
+ if (feature == null)
+ {
+ return false;
+ }
+ if (getFeaturesDisplayed() == null
+ || !getFeaturesDisplayed().isVisible(feature.getType()))
+ {
+ return false;
+ }
+ if (featureGroupNotShown(feature))
+ {
+ return false;
+ }
+ FeatureColourI fc = featureColours.get(feature.getType());
+ if (fc != null && fc.isOutwithThreshold(feature))
+ {
+ return false;
+ }
+ if (!featureMatchesFilters(feature))
+ {
+ return false;
+ }
+ return true;
+ }