import com.vaadin.data.util.AbstractProperty; //导入依赖的package包/类
protected void initLayout() {
    setSpacing(true);

    Label titleLabel = new Label(messages.getMainMessage("PresentationsPopup.title"));
    titleLabel.setStyleName("c-table-prefs-title");
    titleLabel.setWidth("-1px");
    addComponent(titleLabel);
    setComponentAlignment(titleLabel, Alignment.MIDDLE_CENTER);

    menuBar = new CubaMenuBar();
    menuBar.setStyleName("c-table-prefs-list");
    menuBar.setWidth("100%");
    menuBar.setHeight("-1px");
    menuBar.setVertical(true);
    addComponent(menuBar);

    button = new WebPopupButton();
    button.setCaption(messages.getMainMessage("PresentationsPopup.actions"));
    addComponent(button.<Component>getComponent());
    setComponentAlignment(button.<Component>getComponent(), Alignment.MIDDLE_CENTER);

    textSelectionCheckBox = new CheckBox();
    textSelectionCheckBox.setImmediate(true);
    textSelectionCheckBox.setInvalidCommitted(true);
    textSelectionCheckBox.setCaption(messages.getMainMessage("PresentationsPopup.textSelection"));
    addComponent(textSelectionCheckBox);
    textSelectionCheckBox.setPropertyDataSource(new AbstractProperty() {
        @Override
        public Object getValue() {
            return tableImpl.isTextSelectionEnabled();
        }

        @Override
        public void setValue(Object newValue) throws Property.ReadOnlyException {
            if (newValue instanceof Boolean) {
                tableImpl.setTextSelectionEnabled((Boolean) newValue);
            }
        }

        @Override
        public Class getType() {
            return Boolean.class;
        }
    });
}