Java ComboBox.setInputPrompt方法代码示例

import com.vaadin.ui.ComboBox; //导入方法依赖的package包/类
/**
 * Decorate.
 * 
 * @param caption
 *            caption of the combobox
 * @param height
 *            as H
 * @param width
 *            as W
 * @param style
 *            as style
 * @param styleName
 *            as style name
 * @param required
 *            as T|F
 * @param data
 *            as data
 * @param prompt
 *            as promt
 * @return ComboBox as comp
 */
public static ComboBox decorate(final String caption, final String width, final String style,
        final String styleName, final boolean required, final String data, final String prompt) {
    final ComboBox spUICombo = new ComboBox();
    // Default settings
    spUICombo.setRequired(required);
    spUICombo.addStyleName(ValoTheme.COMBOBOX_TINY);

    if (!StringUtils.isEmpty(caption)) {
        spUICombo.setCaption(caption);
    }
    // Add style
    if (!StringUtils.isEmpty(style)) {
        spUICombo.setStyleName(style);
    }
    // Add style Name
    if (!StringUtils.isEmpty(styleName)) {
        spUICombo.addStyleName(styleName);
    }
    // AddWidth
    if (!StringUtils.isEmpty(width)) {
        spUICombo.setWidth(width);
    }
    // Set prompt
    if (!StringUtils.isEmpty(prompt)) {
        spUICombo.setInputPrompt(prompt);
    }
    // Set Data
    if (!StringUtils.isEmpty(data)) {
        spUICombo.setData(data);
    }

    return spUICombo;
}
 

import com.vaadin.ui.ComboBox; //导入方法依赖的package包/类
@Override
    protected Component initContent() {
        // A vertical layout with undefined width
        final VerticalLayout box = new VerticalLayout();
        box.setSizeUndefined();

        final ComboBox productSelect = new ComboBox();
        productSelect.setInputPrompt("Выберите продукт...");
        productSelect.setImmediate(true);
        productSelect.setNullSelectionAllowed(false);

        // Инициализация контейнера
        final ExtaDbContainer<TProduct> clientsCont = new ExtaDbContainer<>(productCls);
        clientsCont.addContainerFilter(new Compare.Equal("active", true));
        clientsCont.sort(new Object[]{"name"}, new boolean[]{true});

        // Устанавливаем контент выбора
        productSelect.setFilteringMode(FilteringMode.CONTAINS);
        productSelect.setContainerDataSource(clientsCont);
        productSelect.setItemCaptionMode(ItemCaptionMode.PROPERTY);
        productSelect.setItemCaptionPropertyId("name");
        productSelect.addStyleName(ExtaTheme.COMBOBOX_BORDERLESS);

        productSelect.setPropertyDataSource(getPropertyDataSource());
        productSelect.addValueChangeListener(e -> setValue((TProduct) productSelect.getConvertedValue()));
//        productSelect.setValue(getValue());
        clientsCont.setSingleSelectConverter(productSelect);

        productSelect.setWidth(100, Unit.PERCENTAGE);
        box.addComponent(productSelect);
        // The layout shrinks to fit this label
        final Label label = new Label(getFieldTextLabel());
        label.addStyleName("ea-widthfittin-label");
        label.setWidthUndefined();
        label.setHeight("0px"); // Hide: Could be 0px
        box.addComponent(label);

        addValueChangeListener(e -> label.setValue(getFieldTextLabel()));

        return box;
    }
 

import com.vaadin.ui.ComboBox; //导入方法依赖的package包/类
@Override
public Component getContent()
{
	try
	{
		if (this.reset)
		{
			this.reset = false;
			this.layout = new GridLayout(3, 1);
			this.layout.setMargin(true);
			this.layout.setSpacing(true);
			// layout.setSizeFull();

			final String[] headers = getHeaders();

			final Class<? extends Importable> importable = this.importView.getType().getEntityClass();
			final EntityAdaptor<?> adaptor = EntityAdaptor.create(importable);

			final ArrayList<FormFieldImpl> fields = adaptor.getFields();
			for (final String header : headers)
			{
				final Label headerLabel = new Label(header);
				this.layout.addComponent(headerLabel);
				headerLabel.setWidth("" + 160);

				final Label mapToLabel = new Label("--Maps to-->");
				this.layout.addComponent(mapToLabel);
				mapToLabel.setWidth("" + 100);

				final ComboBox box = new ComboBox(null, fields);
				box.setNullSelectionAllowed(true);
				box.setInputPrompt("--Please Select--");
				box.setNullSelectionItemId("--Please Select--");
				box.setTextInputAllowed(false);
				// ComboBox box = layout.addComponent("", fields);
				this.layout.addComponent(box);
				this.mappings.add(box);
				this.layout.newLine();
			}
		}
	}
	catch (final IOException e)
	{
		Notification.show("An error occured trying to read the CSV file: " + e.getMessage(), Type.ERROR_MESSAGE);
	}

	return this.layout;
}