Package com.vaadin.data.fieldgroup

Class DefaultFieldGroupFieldFactory

java.lang.Object

com.vaadin.data.fieldgroup.DefaultFieldGroupFieldFactory

All Implemented Interfaces:

FieldGroupFieldFactory, Serializable

Direct Known Subclasses:

Grid.EditorFieldFactory

public class DefaultFieldGroupFieldFactory
extends Object
implements FieldGroupFieldFactory

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

Author:

Vaadin Ltd

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static Object	CAPTION_PROPERTY_ID

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DefaultFieldGroupFieldFactory()

Method Summary

Modifier and Type	Method	Description
protected boolean	anyField(Class<?> fieldType)
protected boolean	anySelect(Class<? extends Field> fieldType)
protected <T extends AbstractTextField> T	createAbstractTextField(Class<T> fieldType)
protected <T extends Field> T	createBooleanField(Class<T> fieldType)
protected AbstractSelect	createCompatibleSelect(Class<? extends AbstractSelect> fieldType)
protected <T extends Field> T	createDefaultField(Class<?> type, Class<T> fieldType)	Fallback when no specific field has been created.
<T extends Field> T	createField(Class<?> type, Class<T> fieldType)	Creates a field based on the data type that we want to edit
protected RichTextArea	createRichTextArea()
static DefaultFieldGroupFieldFactory	get()	Gets the singleton instance.
protected void	populateWithEnumData(AbstractSelect select, Class<? extends Enum> enumClass)	Populates the given select with all the enums in the given Enum class.

Methods inherited from class java.lang.Object

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

Field Detail

CAPTION_PROPERTY_ID

public static final Object CAPTION_PROPERTY_ID

Constructor Detail

DefaultFieldGroupFieldFactory

protected DefaultFieldGroupFieldFactory()

Method Detail

get

public static DefaultFieldGroupFieldFactory get()

Gets the singleton instance.

Returns:

the singleton instance

Since:

7.4

createField

public <T extends Field> T createField(Class<?> type,
                                       Class<T> fieldType)

Description copied from interface: FieldGroupFieldFactory

Creates a field based on the data type that we want to edit

Specified by:

createField in interface FieldGroupFieldFactory

Parameters:

type - The type that we want to edit using the field

fieldType - The type of field we want to create. If set to Field then any type of field is accepted

Returns:

A field that can be assigned to the given fieldType and that is capable of editing the given type of data

createRichTextArea

protected RichTextArea createRichTextArea()

createCompatibleSelect

protected AbstractSelect createCompatibleSelect(Class<? extends AbstractSelect> fieldType)

anyField

protected boolean anyField(Class<?> fieldType)

Parameters:

fieldType - the type of the field

Returns:

true if any AbstractField can be assigned to the field

Since:

7.4

anySelect

protected boolean anySelect(Class<? extends Field> fieldType)

Parameters:

fieldType - the type of the field

Returns:

true if any AbstractSelect can be assigned to the field

Since:

7.4

createBooleanField

protected <T extends Field> T createBooleanField(Class<T> fieldType)

createAbstractTextField

protected <T extends AbstractTextField> T createAbstractTextField(Class<T> fieldType)

createDefaultField

protected <T extends Field> T createDefaultField(Class<?> type,
                                                 Class<T> fieldType)

Fallback when no specific field has been created. Typically returns a TextField.

Type Parameters:

T - The type of field to create

Parameters:

type - The type of data that should be edited

fieldType - The type of field to create

Returns:

A field capable of editing the data or null if no field could be created

populateWithEnumData

protected void populateWithEnumData(AbstractSelect select,
                                    Class<? extends Enum> enumClass)

Populates the given select with all the enums in the given Enum class. Uses Enum.toString() for caption.

Parameters:

select - The select to populate

enumClass - The Enum class to use