Invert column selection

[jalview.git] / src / jalview / gui / AlignViewport.java

diff --git a/src/jalview/gui/AlignViewport.java b/src/jalview/gui/AlignViewport.java
index fde4d90..2dd5fda 100755 (executable)
--- a/src/jalview/gui/AlignViewport.java
+++ b/src/jalview/gui/AlignViewport.java
@@ -1161,6 +1161,22 @@ public class AlignViewport
       }\r
     }\r
 \r
+    public void invertColumnSelection()\r
+    {\r
+      int column;\r
+      for(int i=0; i<alignment.getWidth(); i++)\r
+      {\r
+        column = i;\r
+\r
+        if(colSel.contains(column))\r
+          colSel.removeElement(column);\r
+        else\r
+          colSel.addElement(column);\r
+\r
+      }\r
+\r
+    }\r
+\r
     public int adjustForHiddenSeqs(int alignmentIndex)\r
     {\r
       return alignment.getHiddenSequences().adjustForHiddenSeqs(alignmentIndex);\r