private void LoadTabContent(Tab tab)
        {
            tabContents.Clear();
            if (settings == null)
            {
                return;
            }

            var table   = tab.userData as LocalizationTable;
            var entries = table !.Entries;

            var scrollView = new ScrollView(ScrollViewMode.VerticalAndHorizontal);

            keyColumn = Factory.Create <VisualElement>(null, "table-col");
            keyColumn.AddGet(new TableCell("key", false)).AddToClassList("header");

            for (var i = 0; i < entries.Count; i++)
            {
                keyColumn.Add(MakeKeyCell(table, entries[i].Key, i));
            }

            createEntry = new TableCell("Add...", true)
            {
                name = "CreateEntryCell"
            };
            createEntry.OnValueChanged         += CreateEntry;
            createEntry.OnBeginEdit            += field => { field.value = ""; };
            createEntry.OnCancelEdit           += field => { createEntry.Text = "Add..."; };
            createEntry.OnNextCellSelected     += () => Schedule(0, () => GetCell(keyColumn.childCount - 3, 1)?.BeginEdit());
            createEntry.OnPreviousCellSelected += () => Schedule(0, () => GetCell(keyColumn.childCount - 3, localeColumns.Count)?.BeginEdit());
            createEntry.OnNextRowSelected      += () => Schedule(0, () => createEntry.BeginEdit());
            createEntry.OnPreviousRowSelected  += () => Schedule(0, () => GetCell(keyColumn.childCount - 3, 0)?.BeginEdit());
            keyColumn.Add(createEntry);

            var locales = settings.Locales;

            localeColumns = new List <VisualElement>(locales.Count);
            for (var i = 0; i < locales.Count; i++)
            {
                var col             = i;
                var locale          = locales[i];
                var isDefaultLocale = locale.Equals(settings.DefaultLocale);
                var localeColumn    = Factory.Create <VisualElement>(null, "table-col");
                localeColumn.Add(new TableCell($"{locale.EnglishName}{(isDefaultLocale ? " - Default" : "")}", false).Do(cell => {
                    cell.AddToClassList("header");
                    if (isDefaultLocale)
                    {
                        cell.AddToClassList("bold");
                    }
                }));
                for (var j = 0; j < entries.Count; j++)
                {
                    var row = j;
                    localeColumn.Add(MakeCell(entries[row].Values[col], row, col, table));
                }

                // Add empty cell for Add entry cell
                localeColumn.Add(new TableCell("", false));
                localeColumns.Add(localeColumn);
            }

            var tableElement = new VisualElement {
                name = "Table"
            };

            tableElement.AddToClassList("table");
            tableElement.Add(keyColumn);
            foreach (var column in localeColumns)
            {
                tableElement.Add(column);
            }

            tableElement.Add(scrollView);
            scrollView.Add(tableElement);
            tabContents.Add(scrollView);
        }