Version 17, September 2014

[GpsPrune.git] / tim / prune / function / distance / DistanceTableModel.java

diff --git a/tim/prune/function/distance/DistanceTableModel.java b/tim/prune/function/distance/DistanceTableModel.java
index faa059ea4b1bb2ada4ce6340b30bc6014a9ce65a..2c1d83d1337b56af1a8ab1fbad0a3cc938b3d5a2 100644 (file)
--- a/tim/prune/function/distance/DistanceTableModel.java
+++ b/tim/prune/function/distance/DistanceTableModel.java
@@ -17,6 +17,8 @@ public class DistanceTableModel extends GenericTableModel
        private static final String _toColLabel = I18nManager.getText("dialog.distances.column.to");
        /** Column heading (depends on metric/imperial settings) */
        private String _distanceLabel = null;
+       /** Previous distance units */
+       private Unit _previousDistUnit = null;
 
        /**
         * @return column count
@@ -69,6 +71,9 @@ public class DistanceTableModel extends GenericTableModel
                Unit distUnit = Config.getUnitSet().getDistanceUnit();
                _distanceLabel = I18nManager.getText("fieldname.distance") + " (" +
                        I18nManager.getText(distUnit.getShortnameKey()) + ")";
+               final boolean distUnitsChanged = (distUnit != _previousDistUnit);
+               _previousDistUnit = distUnit;
+
                // Initialize array of distances
                int numRows = getRowCount();
                if (_distances == null || _distances.length != numRows) {
@@ -84,7 +89,12 @@ public class DistanceTableModel extends GenericTableModel
                                _distances[i] = Distance.convertRadiansToDistance(rads);
                        }
                }
-               // Let table know that it has to refresh data (and might as well refresh column headings too)
-               fireTableStructureChanged();
+               // Let table know that it has to refresh data, and maybe the whole table too
+               if (distUnitsChanged) {
+                       fireTableStructureChanged();
+               }
+               else {
+                       fireTableDataChanged();
+               }
        }
 }