JAL-2371 (slight!) simplification of isApplicableTo()

[jalview.git] / src / jalview / api / FeatureRenderer.java

diff --git a/src/jalview/api/FeatureRenderer.java b/src/jalview/api/FeatureRenderer.java
index 21319fd..f54231e 100644 (file)
--- a/src/jalview/api/FeatureRenderer.java
+++ b/src/jalview/api/FeatureRenderer.java
@@ -132,7 +132,8 @@ public interface FeatureRenderer
   void setGroupVisibility(String group, boolean visible);
 
   /**
-   * locate features at a particular position on the given sequence
+   * Returns features at the specified position on the given sequence.
+   * Non-positional features are not included.
    * 
    * @param sequence
    * @param res
@@ -141,25 +142,19 @@ public interface FeatureRenderer
   List<SequenceFeature> findFeaturesAtRes(SequenceI sequence, int res);
 
   /**
+   * get current displayed types, in ordering of rendering (on top last)
    * 
-   * @return true if the rendering platform supports transparency
+   * @return a (possibly empty) list of feature types
    */
-  boolean isTransparencyAvailable();
 
-  /**
-   * get current displayed types
-   * 
-   * @return
-   */
-
-  String[] getDisplayedFeatureTypes();
+  List<String> getDisplayedFeatureTypes();
 
   /**
    * get current displayed groups
    * 
-   * @return
+   * @return a (possibly empty) list of feature groups
    */
-  String[] getDisplayedFeatureGroups();
+  List<String> getDisplayedFeatureGroups();
 
   /**
    * display all features of these types