import jalview.datamodel.SequenceFeature;
import jalview.datamodel.SequenceI;
+import jalview.datamodel.features.FeatureMatcherSetI;
import java.awt.Color;
import java.awt.Graphics;
List<String> getGroups(boolean visible);
/**
- * change visibility for a range of groups
+ * Set visibility for a list of groups
*
* @param toset
* @param visible
void setGroupVisibility(List<String> toset, boolean visible);
/**
- * change visibiilty of given group
+ * Set visibility of the given feature group
*
* @param group
* @param visible
void setGroupVisibility(String group, boolean visible);
/**
- * Returns features at the specified aligned column on the given sequence.
- * Non-positional features are not included. If the column has a gap, then
- * enclosing features are included (but not contact features).
+ * Returns visible features at the specified aligned column on the given
+ * sequence. Non-positional features are not included. If the column has a gap,
+ * then enclosing features are included (but not contact features).
*
* @param sequence
* @param column
*/
float getTransparency();
+ /**
+ * Answers the filters applied to the given feature type, or null if none is
+ * set
+ *
+ * @param featureType
+ * @return
+ */
+ FeatureMatcherSetI getFeatureFilter(String featureType);
+
+ /**
+ * Answers the feature filters map
+ *
+ * @return
+ */
+ public Map<String, FeatureMatcherSetI> getFeatureFilters();
+
+ /**
+ * Sets the filters for the feature type, or removes them if a null or empty
+ * filter is passed
+ *
+ * @param featureType
+ * @param filter
+ */
+ void setFeatureFilter(String featureType, FeatureMatcherSetI filter);
+
+ /**
+ * Replaces all feature filters with the given map
+ *
+ * @param filters
+ */
+ void setFeatureFilters(Map<String, FeatureMatcherSetI> filters);
+
+ /**
+ * Returns the colour for a particular feature instance. This includes
+ * calculation of 'colour by label', or of a graduated score colour, if
+ * applicable.
+ * <p>
+ * Returns null if
+ * <ul>
+ * <li>feature type is not visible, or</li>
+ * <li>feature group is not visible, or</li>
+ * <li>feature values lie outside any colour threshold, or</li>
+ * <li>feature is excluded by filter conditions</li>
+ * </ul>
+ *
+ * @param feature
+ * @return
+ */
+ Color getColour(SequenceFeature feature);
}