X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fapi%2FFeaturesDisplayedI.java;h=9387e3fe787599cc42ee332e800a8a5268e63bf2;hb=62fb9a3042bdc6daaad8218d47b12cb912907354;hp=32b0565a8ea65171044367674d0b8263a50806d1;hpb=c406d789d51e6ac1ff45e3568d37e9ed53025f03;p=jalview.git

diff --git a/src/jalview/api/FeaturesDisplayedI.java b/src/jalview/api/FeaturesDisplayedI.java
index 32b0565..9387e3f 100644
--- a/src/jalview/api/FeaturesDisplayedI.java
+++ b/src/jalview/api/FeaturesDisplayedI.java
@@ -21,12 +21,15 @@
 package jalview.api;
 
 import java.util.Collection;
-import java.util.Iterator;
+import java.util.Set;
 
 public interface FeaturesDisplayedI
 {
 
-  Iterator<String> getVisibleFeatures();
+  /**
+   * answers an unmodifiable view of the set of visible feature types
+   */
+  Set<String> getVisibleFeatures();
 
   boolean isVisible(String featureType);
 
@@ -36,6 +39,14 @@ public interface FeaturesDisplayedI
 
   void setVisible(String featureType);
 
+  void setHidden(String featureType);
+
+  /**
+   * Sets all the specified feature types to visible. Visibility of other
+   * feature types is not changed.
+   * 
+   * @param featureTypes
+   */
   void setAllVisible(Collection<String> featureTypes);
 
   boolean isRegistered(String type);