import com.vaadin.ui.renderers.NumberRenderer; //导入依赖的package包/类
public void listing5() {
	// tag::listing5[]
	PropertyListing listing = Components.listing.properties(PROPERTIES) //
			.render(ID, new NumberRenderer(Locale.US)) // <1>
			.render(ID, value -> String.valueOf(value), new TextRenderer()) // <2>
			.build();
	// end::listing5[]
}
 

import com.vaadin.ui.renderers.NumberRenderer; //导入依赖的package包/类
@Override
public NumberRenderer getRenderer(ColumnDefinition definition) {
	if (definition.getFormat().isPresent()) {
		return new NumberRenderer(new DecimalFormat(definition.getFormat().get()));
	}

	return new NumberRenderer();
}
 

import com.vaadin.ui.renderers.NumberRenderer; //导入依赖的package包/类
@Override
protected Renderer<Number> createImplementation() {
    if (numberFormat != null) {
        return new NumberRenderer(numberFormat, getNullRepresentation());
    } else {
        checkNotNullArgument(formatString, "Format string may not be null");
        checkNotNullArgument(locale, "Locale may not be null");
        return new NumberRenderer(formatString, locale, getNullRepresentation());
    }
}
 

import com.vaadin.ui.renderers.NumberRenderer; //导入依赖的package包/类
@Override
public NumberRenderer getImplementation() {
    return (NumberRenderer) super.getImplementation();
}
 

import com.vaadin.ui.renderers.NumberRenderer; //导入依赖的package包/类
public DemoContentLayout() {
	final SelectGrid<TestObject> grid = new SelectGrid<>();
	grid.addColumn(TestObject::getFoo).setCaption("Foo");
	grid.addColumn(TestObject::getBar, new NumberRenderer()).setCaption("Bar");
	grid.addColumn(TestObject::getKm, new NumberRenderer()).setCaption("KM");
	grid.setHeightByRows(10);
	grid.setHeightMode(HeightMode.ROW);

	// Show it in the middle of the screen
	setStyleName("demoContentLayout");
	setSizeFull();
	addComponent(grid);
	setComponentAlignment(grid, Alignment.MIDDLE_CENTER);

	final TableSelectionModel<TestObject> tableSelect = new TableSelectionModel<>();
	grid.setSelectionModel(tableSelect);
	tableSelect.setMode(TableSelectionMode.CTRL);

	HorizontalLayout tableSelectionControls = new HorizontalLayout();
	tableSelectionControls.setCaption("Table Selection Controls");

	// Controls for testing different TableSelectionModes
	for (final TableSelectionMode t : TableSelectionMode.values()) {
		tableSelectionControls.addComponent(new Button(t.toString(), e -> tableSelect.setMode(t)));
	}

	addComponent(tableSelectionControls);

	// TODO: PagingDataProvider

	PagedDataProvider<TestObject, SerializablePredicate<TestObject>> dataProvider = new PagedDataProvider<>(
			DataProvider.ofCollection(TestObject.generateTestData(995)));
	grid.setDataProvider(dataProvider);
	PagingControls pagingControls = dataProvider.getPagingControls();

	HorizontalLayout pages = new HorizontalLayout();
	pages.setCaption("Paging controls");
	pages.addComponent(new Button("First", e -> pagingControls.setPageNumber(0)));
	pages.addComponent(new Button("Previous", e -> pagingControls.previousPage()));
	pages.addComponent(new Button("Next", e -> pagingControls.nextPage()));
	pages.addComponent(new Button("Last", e -> pagingControls.setPageNumber(pagingControls.getPageCount() - 1)));
	VerticalLayout controls = new VerticalLayout();
	controls.addComponents(tableSelectionControls, pages);
	controls.setWidth("100%");
	controls.setHeightUndefined();
	controls.setComponentAlignment(tableSelectionControls, Alignment.MIDDLE_CENTER);
	controls.setComponentAlignment(pages, Alignment.BOTTOM_CENTER);
	addComponent(controls);
	setComponentAlignment(controls, Alignment.MIDDLE_CENTER);

	grid.getEditor().setEnabled(true);
	for (Column<TestObject, ?> c : grid.getColumns()) {
		c.setHidable(true);
	}
}