private void extractChoices(int handles, int firstRow, int lastRow) {
            int rows = rowEntry.getModelRowCount() - 1;
            if (lastRow == -1) {
                lastRow = rows;
            }

            boolean fullMode = (firstRow == 0) && (lastRow == rows);
            int check = handles;
            for (int i = 0; i < check;) {
                if (editorHandles[i].startIteration(fullMode)) {
                    // if startIteration returns true, this editor will require
                    // no additional iteration (move it to the end)
                    switchHandle(i, --check);
                } else {
                    ++i;
                }
            }

            if (check > 0) {
                iterateRows(check, firstRow, lastRow);
            }
            while (handles-- > 0) {
                editorHandles[handles].iterationCompleted(fullMode);
            }
        }
private void extractChoices(int handles, int firstRow, int lastRow)