allows deletion of chars

diff --git a/src/jalview/datamodel/Sequence.java b/src/jalview/datamodel/Sequence.java
index 691a1f1..99f2de2 100755 (executable)
--- a/src/jalview/datamodel/Sequence.java
+++ b/src/jalview/datamodel/Sequence.java
@@ -201,6 +201,13 @@ public class Sequence implements SequenceI
     sequence = sbuffer.toString();\r
   }\r
 \r
+  public void deleteChars(int i, int j)\r
+  {\r
+    StringBuffer sbuffer = new StringBuffer(sequence);\r
+    sbuffer.delete(i,j);\r
+    sequence = sbuffer.toString();\r
+  }\r
+\r
   public void insertCharAt(int i, char c)\r
   {\r
     insertCharAt(i,c,true);\r

diff --git a/src/jalview/datamodel/SequenceI.java b/src/jalview/datamodel/SequenceI.java
index 75b17eb..a056a36 100755 (executable)
--- a/src/jalview/datamodel/SequenceI.java
+++ b/src/jalview/datamodel/SequenceI.java
@@ -30,6 +30,7 @@ public interface SequenceI {
   public int         findIndex(int pos);\r
   public int         findPosition(int i);\r
 \r
+  public void       deleteChars(int i, int j);\r
   public void       deleteCharAt(int i);\r
   public void       insertCharAt(int i, char c);\r
   public void       insertCharAt(int i,char c,boolean chop);\r