com.vaadin.ui

Class DefaultFieldFactory

java.lang.Object

com.vaadin.ui.DefaultFieldFactory

All Implemented Interfaces:

FormFieldFactory, TableFieldFactory, Serializable

public class DefaultFieldFactory
extends Object
implements FormFieldFactory, TableFieldFactory

This class contains a basic implementation for both FormFieldFactory and TableFieldFactory. The class is singleton, use get() method to get reference to the instance.

There are also some static helper methods available for custom built field factories.

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DefaultFieldFactory()

Method Summary

Modifier and Type	Method and Description
static String	createCaptionByPropertyId(Object propertyId) If name follows method naming conventions, convert the name to spaced upper case text.
Field	createField(Container container, Object itemId, Object propertyId, Component uiContext) Creates a field based on the Container, item id, property id and the component responsible for displaying the field (most commonly Table).
Field<?>	createField(Item item, Object propertyId, Component uiContext) Creates a field based on the item, property id and the component (most commonly Form) where the Field will be presented.
static Field<?>	createFieldByPropertyType(Class<?> type) Creates fields based on the property type.
static DefaultFieldFactory	get() Singleton method to get an instance of DefaultFieldFactory.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultFieldFactory

protected DefaultFieldFactory()

Method Detail

get

public static DefaultFieldFactory get()

Singleton method to get an instance of DefaultFieldFactory.

Returns:

an instance of DefaultFieldFactory

createField

public Field<?> createField(Item item,
                            Object propertyId,
                            Component uiContext)

Description copied from interface: FormFieldFactory

Creates a field based on the item, property id and the component (most commonly Form) where the Field will be presented.

Specified by:

createField in interface FormFieldFactory

Parameters:

item - the item where the property belongs to.

propertyId - the Id of the property.

uiContext - the component where the field is presented, most commonly this is Form. uiContext will not necessary be the parent component of the field, but the one that is responsible for creating it.

Returns:

the field suitable for editing the specified data.

createField

public Field createField(Container container,
                         Object itemId,
                         Object propertyId,
                         Component uiContext)

Description copied from interface: TableFieldFactory

Creates a field based on the Container, item id, property id and the component responsible for displaying the field (most commonly Table).

Specified by:

createField in interface TableFieldFactory

Parameters:

container - the Container where the property belongs to.

itemId - the item Id.

propertyId - the Id of the property.

uiContext - the component where the field is presented.

Returns:

A field suitable for editing the specified data or null if the property should not be editable.

createCaptionByPropertyId

public static String createCaptionByPropertyId(Object propertyId)

If name follows method naming conventions, convert the name to spaced upper case text. For example, convert "firstName" to "First Name"

Parameters:

propertyId -

Returns:

the formatted caption string

createFieldByPropertyType

public static Field<?> createFieldByPropertyType(Class<?> type)

Creates fields based on the property type.

The default field type is TextField. Other field types generated by this method:

Boolean: CheckBox.
Date: DateField(resolution: day).
Item: Form.
default field type: TextField.

Parameters:

type - the type of the property

Returns:

the most suitable generic Field for given type