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

diff --git a/src/jalview/gui/AlignFrame.java b/src/jalview/gui/AlignFrame.java
index 8e3dfc8..7984991 100755 (executable)
--- a/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@ -744,7 +744,6 @@ public class AlignFrame
    */\r
   protected void delete_actionPerformed(ActionEvent e)\r
   {\r
-    boolean seqsdeleted = false;\r
 \r
     if (viewport.getSelectionGroup() == null)\r
     {\r
@@ -776,7 +775,6 @@ public class AlignFrame
 \r
       if (seq.getSequence().length() < 1)\r
       {\r
-        seqsdeleted = true;\r
         viewport.getAlignment().deleteSequence(seq);\r
       }\r
       else\r
@@ -1005,7 +1003,7 @@ public class AlignFrame
     {\r
       seqs = viewport.getSelectionGroup().sequences;\r
       start = viewport.getSelectionGroup().getStartRes();\r
-      end = viewport.getSelectionGroup().getEndRes();\r
+      end = viewport.getSelectionGroup().getEndRes()+1;\r
     }\r
     else\r
     {\r
@@ -1017,19 +1015,45 @@ public class AlignFrame
       current = (SequenceI) seqs.elementAt(i);\r
       jSize = current.getLength();\r
 \r
+      // Removing a range is much quicker than removing gaps\r
+      // one by one for long sequences\r
       int j = start;\r
+      int rangeStart=-1, rangeEnd=-1;\r
 \r
       do\r
       {\r
         if (jalview.util.Comparison.isGap(current.getCharAt(j)))\r
         {\r
-          current.deleteCharAt(j);\r
-          j--;\r
-          jSize--;\r
+          if(rangeStart==-1)\r
+           {\r
+             rangeStart = j;\r
+             rangeEnd = j+1;\r
+           }\r
+           else\r
+           {\r
+             rangeEnd++;\r
+           }\r
+           j++;\r
+        }\r
+        else\r
+        {\r
+          if(rangeStart>-1)\r
+          {\r
+            current.deleteChars(rangeStart, rangeEnd);\r
+            j-=rangeEnd-rangeStart;\r
+            jSize-=rangeEnd-rangeStart;\r
+            rangeStart = -1;\r
+            rangeEnd = -1;\r
+          }\r
+          else\r
+            j++;\r
         }\r
-        j++;\r
       }\r
       while (j < end && j < jSize);\r
+      if(rangeStart>-1)\r
+      {\r
+       current.deleteChars(rangeStart, rangeEnd);\r
+      }\r
     }\r
 \r
     viewport.setStartRes(seq.findIndex(startRes)-1);\r
@@ -1825,21 +1849,11 @@ public class AlignFrame
       return;\r
     }\r
 \r
-    try\r
-    {\r
       PCAPanel pcaPanel = new PCAPanel(viewport, null);\r
       JInternalFrame frame = new JInternalFrame();\r
       frame.setContentPane(pcaPanel);\r
       Desktop.addInternalFrame(frame, "Principal component analysis",\r
                                400, 400);\r
-    }\r
-    catch (java.lang.OutOfMemoryError ex)\r
-    {\r
-      JOptionPane.showInternalMessageDialog(this,\r
-                                            "Too many sequences selected\nfor Principal Component Analysis!!",\r
-                                            "Out of memory",\r
-                                            JOptionPane.WARNING_MESSAGE);\r
-    }\r
   }\r
 \r
   /**\r