private int getPrevRow() {
if (myTable.getSelectedRows().length == 0) return -1;
int row = myTable.getSelectionModel().getLeadSelectionIndex();
while (true) {
if (row <= 0) return -1;
row--;
DirDiffElementImpl element = myModel.getElementAt(row);
if (element == null) return -1;
if (!element.isSeparator()) break;
}
return row;
}
private void selectRow(int row, boolean extend) {
if (row == -1) return;
DirDiffElementImpl element = myModel.getElementAt(row);
if (element == null || element.isSeparator()) return;
myTable.changeSelection(row, (myModel.getColumnCount() - 1) / 2, false, extend);
}