Java 类com.vaadin.ui.Grid.CellStyleGenerator 实例源码

@SuppressWarnings("unchecked")
private void addActionColumn()
{
    ((GeneratedPropertyListContainer<E>) grid.getContainerDataSource())
            .addGeneratedProperty(ACTION_MENU_PROPERTY_ID, getActionMenuColumnGenerator());
    final Column actionMenuColumn = grid.addColumn(ACTION_MENU_PROPERTY_ID);
    grid.setFrozenColumnCount(1);
    actionMenuColumn.setHeaderCaption("");
    actionMenuColumn.setRenderer(new ComponentRenderer());
    actionMenuColumn.setWidth(40);
    actionMenuColumn.setResizable(false);
    grid.setCellStyleGenerator(new CellStyleGenerator()
    {
        /**
         * 
         */
        private static final long serialVersionUID = 1L;

        @Override
        public String getStyle(CellReference event)
        {
            String style = "";
            if (event.getPropertyId().equals(ACTION_MENU_PROPERTY_ID))
            {
                style = "grid-actionmenu";
            }

            return style;
        }
    });
}

@SuppressWarnings("unchecked")
@Override
public void enter(final ViewChangeEvent event) {
    eventbus.register(this);
    setSizeFull();

    // caption
    caption.addStyleName("h2");

    // toolbar
    createToolbar();

    beanContainer = new BeanContainer<>(AbstractSimulatedDevice.class);
    beanContainer.setBeanIdProperty(ID_COL);

    grid.setSizeFull();
    grid.setCellStyleGenerator(new CellStyleGenerator() {

        private static final long serialVersionUID = 1L;

        @Override
        public String getStyle(final CellReference cellReference) {
            return cellReference.getPropertyId().equals(STATUS_COL) ? "centeralign" : null;
        }
    });

    grid.setSelectionMode(SelectionMode.NONE);
    grid.setContainerDataSource(beanContainer);
    grid.appendHeaderRow().getCell(RESPONSE_STATUS_COL).setComponent(responseComboBox);
    grid.setColumnOrder(ID_COL, STATUS_COL, SWVERSION_COL, PROGRESS_COL, TENANT_COL, PROTOCOL_COL,
            RESPONSE_STATUS_COL, NEXT_POLL_COUNTER_SEC_COL);
    // header widths
    grid.getColumn(STATUS_COL).setMaximumWidth(80);
    grid.getColumn(PROTOCOL_COL).setMaximumWidth(180);
    grid.getColumn(RESPONSE_STATUS_COL).setMaximumWidth(240);
    grid.getColumn(NEXT_POLL_COUNTER_SEC_COL).setMaximumWidth(210);

    grid.getColumn(NEXT_POLL_COUNTER_SEC_COL).setHeaderCaption("Next Poll in (sec)");
    grid.getColumn(SWVERSION_COL).setHeaderCaption("SW Version");
    grid.getColumn(RESPONSE_STATUS_COL).setHeaderCaption("Response Update Status");
    grid.getColumn(PROGRESS_COL).setRenderer(new ProgressBarRenderer());
    grid.getColumn(PROTOCOL_COL).setConverter(createProtocolConverter());
    grid.getColumn(STATUS_COL).setRenderer(new HtmlRenderer(), createStatusConverter());
    grid.removeColumn(TENANT_COL);

    // grid combobox
    responseComboBox.setItemIcon(ResponseStatus.SUCCESSFUL, FontAwesome.CHECK_CIRCLE);
    responseComboBox.setItemIcon(ResponseStatus.ERROR, FontAwesome.EXCLAMATION_CIRCLE);
    responseComboBox.setNullSelectionAllowed(false);
    responseComboBox.setValue(ResponseStatus.SUCCESSFUL);
    responseComboBox.addValueChangeListener(
            valueChangeEvent -> beanContainer.getItemIds().forEach(itemId -> beanContainer.getItem(itemId)
                    .getItemProperty(RESPONSE_STATUS_COL).setValue(valueChangeEvent.getProperty().getValue())));

    // add all components
    addComponent(caption);
    addComponent(toolbar);
    addComponent(grid);

    setExpandRatio(grid, 1.0F);

    // load beans
    repository.getAll().forEach(beanContainer::addBean);
}

public void setCellStyleGenerator(CellStyleGenerator generator)
{
    grid.setCellStyleGenerator(generator);
}