From 65c6bb5c1deac2163c9e2a75287de5e59c8728a9 Mon Sep 17 00:00:00 2001
From: kiramt <k.mourao@dundee.ac.uk>
Date: Tue, 30 Jan 2018 15:43:08 +0000
Subject: [PATCH] JAL-2759 updateForDeletedRegion no longer needed

---
 src/jalview/datamodel/HiddenColumns.java           |    2 --
 src/jalview/datamodel/HiddenColumnsCursor.java     |   26 -------------------
 .../jalview/datamodel/HiddenColumnsCursorTest.java |   27 --------------------
 3 files changed, 55 deletions(-)

diff --git a/src/jalview/datamodel/HiddenColumns.java b/src/jalview/datamodel/HiddenColumns.java
index 0b66b07..c40c105 100644
--- a/src/jalview/datamodel/HiddenColumns.java
+++ b/src/jalview/datamodel/HiddenColumns.java
@@ -394,8 +394,6 @@ public class HiddenColumns
             int colsToRemove = region[1] - region[0] + 1;
             hiddenColumns.remove(regionIndex);
             numColumns -= colsToRemove;
-
-            cursor.updateForDeletedRegion(hiddenColumns, colsToRemove);
           }
         }
       }
diff --git a/src/jalview/datamodel/HiddenColumnsCursor.java b/src/jalview/datamodel/HiddenColumnsCursor.java
index 572f999..2e9d798 100644
--- a/src/jalview/datamodel/HiddenColumnsCursor.java
+++ b/src/jalview/datamodel/HiddenColumnsCursor.java
@@ -72,32 +72,6 @@ public class HiddenColumnsCursor
   }
 
   /**
-   * Delete the region the cursor is currently at. Avoids having to reset the
-   * cursor just because we deleted a region.
-   * 
-   * Calls to updateForDeletedRegion should be made from within a writeLock in
-   * the HiddenColumns class - since changes to the hiddenColumns collection
-   * require a writeLock the lock should already exist.
-   *
-   * @param hiddenCols
-   *          replacement list of hidden column regions
-   * @param remove
-   *          number of columns which were deleted
-   */
-  protected void updateForDeletedRegion(List<int[]> hiddenCols, int remove)
-  {
-    hiddenColumns = hiddenCols;
-    if (!hiddenCols.isEmpty())
-    {
-      if (cursorPos.getRegionIndex() >= hiddenCols.size())
-      {
-        cursorPos = new HiddenCursorPosition(hiddenCols.size(),
-                cursorPos.getHiddenSoFar() - remove);
-      }
-    }
-  }
-
-  /**
    * Get the cursor pointing to the hidden region that column is within (if
    * column is hidden) or which is to the right of column (if column is
    * visible). If no hidden columns are to the right, returns a cursor pointing
diff --git a/test/jalview/datamodel/HiddenColumnsCursorTest.java b/test/jalview/datamodel/HiddenColumnsCursorTest.java
index dc627bc..97402b8 100644
--- a/test/jalview/datamodel/HiddenColumnsCursorTest.java
+++ b/test/jalview/datamodel/HiddenColumnsCursorTest.java
@@ -154,31 +154,4 @@ public class HiddenColumnsCursorTest
     offset = cursor.findRegionForColumn(80, true).getHiddenSoFar();
     assertEquals(46, offset);
   }
-
-  /**
-   * Test the method which updates for a deleted region
-   */
-  @Test(groups = { "Functional" })
-  public void testUpdateForDeletedRegion()
-  {
-    List<int[]> hlist = new ArrayList<>();
-    HiddenColumnsCursor cursor = new HiddenColumnsCursor(hlist, 1, 5);
-    cursor.updateForDeletedRegion(hlist, 0);
-    assertNull(cursor.findRegionForColumn(30, false));
-
-    hlist.add(new int[] { 3, 7 });
-    hlist.add(new int[] { 15, 25 });
-
-    cursor = new HiddenColumnsCursor(hlist, 1, 5);
-
-    HiddenCursorPosition p = cursor.findRegionForColumn(30, false);
-    assertEquals(16, p.getHiddenSoFar());
-
-    List<int[]> hlist2 = new ArrayList<>();
-    hlist2.add(new int[] { 3, 7 });
-    cursor.updateForDeletedRegion(hlist2, 11);
-    p = cursor.findRegionForColumn(30, false);
-    assertEquals(5, p.getHiddenSoFar());
-  }
-
 }
-- 
1.7.10.2