From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Tue, 16 Jul 2019 10:23:35 +0000 (+0100)
Subject: JAL-2987 tolerate null double values when formatting JTable
X-Git-Tag: Release_2_11_1_0~31^2
X-Git-Url: http://source.jalview.org/gitweb/?p=jalview.git;a=commitdiff_plain;h=140c8de58b9a30d013e7fcc3904df91fa81880fc

JAL-2987 tolerate null double values when formatting JTable
---

diff --git a/src/jalview/fts/core/DecimalFormatTableCellRenderer.java b/src/jalview/fts/core/DecimalFormatTableCellRenderer.java
index 8a8e7ab..2453742 100644
--- a/src/jalview/fts/core/DecimalFormatTableCellRenderer.java
+++ b/src/jalview/fts/core/DecimalFormatTableCellRenderer.java
@@ -61,16 +61,15 @@ public class DecimalFormatTableCellRenderer extends DefaultTableCellRenderer
     super.setHorizontalAlignment(JLabel.RIGHT);
   }
 
+  /**
+   * Adapts the default method to ensure that double values are formatted for
+   * display
+   */
   @Override
   public Component getTableCellRendererComponent(JTable table, Object value,
           boolean isSelected, boolean hasFocus, int row, int column)
   {
-    if (value == null)
-    {
-      return null;
-    }
-
-    value = formatter.format(value);
+    value = value == null ? "" : formatter.format(value);
 
     return super.getTableCellRendererComponent(table, value, isSelected,
             hasFocus, row, column);