info.magnolia.ui.form.field.transformer.basic

Class ListToSetTransformer<T>

java.lang.Object

info.magnolia.ui.form.field.transformer.basic.BasicTransformer<T>

info.magnolia.ui.form.field.transformer.basic.ListToSetTransformer<T>

Type Parameters:

T -

All Implemented Interfaces:

I18NAwareHandler, Transformer<T>

public class ListToSetTransformer<T>
extends BasicTransformer<T>

Specific MultiSelect field Transformer.
For example, the Vaadin native OptionGroup used as root component of our configured Option Group Field do not support List, but only Sets.

Field Summary

Fields inherited from class info.magnolia.ui.form.field.transformer.basic.BasicTransformer

basePropertyName, definition, i18NPropertyName, relatedFormItem, type

Constructor Summary

Constructors

Constructor and Description
ListToSetTransformer(com.vaadin.data.Item relatedFormItem, ConfiguredFieldDefinition definition, Class<T> type)

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	isCollectionConversionNeeded(T newValue, Class<?> propertyType) Check if the newValue has to be transformed from a Set to a List.
T	readFromItem() Transform a specific Item values to a specified type T.
void	writeToItem(T newValue) Convert the T newValue to a specific Item format.

Methods inherited from class info.magnolia.ui.form.field.transformer.basic.BasicTransformer

definePropertyName, getBasePropertyName, getLocale, getOrCreateProperty, getOrCreateProperty, getRelatedFormItem, getType, hasI18NSupport, setI18NPropertyName, setLocale, setType

Methods inherited from class java.lang.Object

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

Constructor Detail

ListToSetTransformer

public ListToSetTransformer(com.vaadin.data.Item relatedFormItem,
                    ConfiguredFieldDefinition definition,
                    Class<T> type)

Method Detail

writeToItem

public void writeToItem(T newValue)

Description copied from interface: Transformer

Convert the T newValue to a specific Item format.

Specified by:

writeToItem in interface Transformer<T>

Overrides:

writeToItem in class BasicTransformer<T>

isCollectionConversionNeeded

protected boolean isCollectionConversionNeeded(T newValue,
                                   Class<?> propertyType)

Check if the newValue has to be transformed from a Set to a List. Set is used by Vaadin multi fields and multi values are stored as List in Jcr.

readFromItem

public T readFromItem()

Description copied from interface: Transformer

Transform a specific Item values to a specified type T.

Specified by:

readFromItem in interface Transformer<T>

Overrides:

readFromItem in class BasicTransformer<T>