Package io.guise.framework.component

Class AbstractListSelectControl.DefaultValueRepresentationStrategy<VV>

java.lang.Object

io.guise.framework.component.AbstractListSelectControl.ConverterInfoModelValueRepresentationStrategy<VV>

io.guise.framework.component.AbstractListSelectControl.DefaultValueRepresentationStrategy<VV>

Type Parameters:

VV - The type of value the strategy is to represent.

All Implemented Interfaces:

ListSelectControl.ValueRepresentationStrategy<VV>

Enclosing class:

AbstractListSelectControl<V>

public static class AbstractListSelectControl.DefaultValueRepresentationStrategy<VV>
extends AbstractListSelectControl.ConverterInfoModelValueRepresentationStrategy<VV>

A default list select value representation strategy that creates a Label. A label component will be generated containing the default string representation of a value.

Author:

Garret Wilson

See Also:

Label

Constructor Summary

Constructors

Constructor	Description
DefaultValueRepresentationStrategy(Converter<VV,java.lang.String> converter)	Converter constructor.
DefaultValueRepresentationStrategy(java.lang.Class<VV> valueClass)	Value class constructor with a default converter.

Method Summary

Modifier and Type	Method	Description
Label	createComponent(ListSelectModel<VV> model, VV value, int index, boolean selected, boolean focused)	Creates a component for the given list value.

Methods inherited from class io.guise.framework.component.AbstractListSelectControl.ConverterInfoModelValueRepresentationStrategy

getConverter

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultValueRepresentationStrategy

public DefaultValueRepresentationStrategy(java.lang.Class<VV> valueClass)

Value class constructor with a default converter. This implementation uses a DefaultStringLiteralConverter.

Parameters:

valueClass - The class indicating the type of value to convert.

Throws:

java.lang.NullPointerException - if the given value class is null.

DefaultValueRepresentationStrategy

public DefaultValueRepresentationStrategy(Converter<VV,java.lang.String> converter)

Converter constructor.

Parameters:

converter - The converter to use for displaying the value as a string.

Throws:

java.lang.NullPointerException - if the given converter is null.

Method Detail

createComponent

public Label createComponent(ListSelectModel<VV> model,
                             VV value,
                             int index,
                             boolean selected,
                             boolean focused)

Creates a component for the given list value. This implementation constructs a component from a info model that converts the value using the saved converter.

This version uses covariant types to specify that a Label is returned.

Specified by:

createComponent in interface ListSelectControl.ValueRepresentationStrategy<VV>

Overrides:

createComponent in class AbstractListSelectControl.ConverterInfoModelValueRepresentationStrategy<VV>

Parameters:

model - The model containing the value.

value - The value for which a component should be created.

index - The index of the value within the list, or -1 if the value is not in the list (e.g. for representing no selection).

selected - true if the value is selected.

focused - true if the value has the focus.

Returns:

A new component to represent the given value.

See Also:

AbstractListSelectControl.ConverterInfoModelValueRepresentationStrategy.getConverter()