'#2391: Force the repaint of gallery single selected item.

iped-app/src/main/java/iped/app/ui/GalleryTable.java

@@ -11,6 +11,7 @@
 import javax.swing.JTable;
 import javax.swing.KeyStroke;
 import javax.swing.UIManager;
+import javax.swing.table.TableCellEditor;
 import javax.swing.table.TableModel;
 
 public class GalleryTable extends JTable {
@@ -79,6 +80,25 @@ public void changeSelection(int rowIndex, int columnIndex, boolean toggle, boole
         super.changeSelection(rowIndex, columnIndex, toggle, extend);
     }
 
+    @Override
+    public void repaint() {
+        // Before calling the actual repaint(), force the repaint of current selected
+        // cell. If a single cell is selected, sometimes its content is not refreshed
+        // after calling the regular repaint();
+        // See issue #2391.
+        if (getModel() != null && getSelectionModel() != null) {
+            int col = getSelectedColumn();
+            int row = getSelectedRow();
+            if (row >= 0 && col >= 0) {
+                TableCellEditor editor = getCellEditor(row, col);
+                if (editor != null) {
+                    editor.stopCellEditing();
+                }
+            }
+        }
+        super.repaint();
+    }
+
     public int getLeadSelectionIndex() {
         if (selectedCells.get(lead)) {
             return lead;