Spreadsheet.java 文件源码

public void onKeyDown(KeyDownEvent event) {
    if (((SpreadsheetCell) event.getSource()).getMode() == SpreadsheetCell.DISPLAY) {
        switch (event.getNativeKeyCode()) {
        case KeyCodes.KEY_LEFT:
            if (event.getSource() == west) {
                west.setFocus(false);
            } else {
                west.setFocus(true);
            }
            break;
        case KeyCodes.KEY_RIGHT:
            if (event.getSource() == east) {
                east.setFocus(false);
            } else {
                east.setFocus(true);
            }
            break;
        default:
            ;
        }
    }

}