X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2Ffeatures%2FSequenceFeaturesI.java;h=ca0283e71470bdfbc060a164b1a10df2eb0bc340;hb=09d3b755d9b00f5c3acb44049aedd49361dc0690;hp=31712b9f736634b32b2420090b7f45dc210edc5f;hpb=a4f2a7f356b8edab17a9a5bb6f2e71a1419792a9;p=jalview.git

diff --git a/src/jalview/datamodel/features/SequenceFeaturesI.java b/src/jalview/datamodel/features/SequenceFeaturesI.java
index 31712b9..ca0283e 100644
--- a/src/jalview/datamodel/features/SequenceFeaturesI.java
+++ b/src/jalview/datamodel/features/SequenceFeaturesI.java
@@ -215,10 +215,17 @@ public interface SequenceFeaturesI
   float getMaximumScore(String type, boolean positional);
 
   /**
-   * Adds the shift amount to the start and end of all positional features,
-   * returning true if at least one feature was shifted, else false
+   * Adds the shift amount to the start and end of all positional features whose
+   * start position is at or after fromPosition. Returns true if at least one
+   * feature was shifted, else false.
    * 
-   * @param shift
+   * @param fromPosition
+   * @param shiftBy
    */
-  abstract boolean shiftFeatures(int shift);
-}
\ No newline at end of file
+  boolean shiftFeatures(int fromPosition, int shiftBy);
+
+  /**
+   * Deletes all positional and non-positional features
+   */
+  void deleteAll();
+}