Invert column selection

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

diff --git a/src/jalview/appletgui/AlignViewport.java b/src/jalview/appletgui/AlignViewport.java
index b4cac5c..99d0794 100755 (executable)
--- a/src/jalview/appletgui/AlignViewport.java
+++ b/src/jalview/appletgui/AlignViewport.java
@@ -738,6 +738,21 @@ public class AlignViewport
     hasHiddenColumns = true;\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 void hideColumns(int start, int end)\r
   {\r