Package io.jmix.flowui.component

Class UiComponentsGenerator

java.lang.Object

io.jmix.flowui.component.UiComponentsGenerator

@Component("flowui_UiComponentsGenerator")
public class UiComponentsGenerator
extends Object

Factory to create UI components using ComponentGenerationStrategy.

See Also:

• UiComponents

Field Summary

Fields

Modifier and Type	Field	Description
protected final List<ComponentGenerationStrategy>	componentGenerationStrategies
static final String	NAME

Constructor Summary

Constructors

Constructor	Description
UiComponentsGenerator(List<ComponentGenerationStrategy> componentGenerationStrategies)

Method Summary

Modifier and Type	Method	Description
com.vaadin.flow.component.Component	generate(ComponentGenerationContext context)	Creates a component according to the given ComponentGenerationContext.
com.vaadin.flow.component.Component	generateOrNull(ComponentGenerationContext context)	Creates a component according to the given ComponentGenerationContext.
protected List<ComponentGenerationStrategy>	getComponentGenerationStrategies()

Methods inherited from class java.lang.Object

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

Field Details

NAME

public static final String NAME

See Also:

• Constant Field Values

componentGenerationStrategies

protected final List<ComponentGenerationStrategy> componentGenerationStrategies

Constructor Details

UiComponentsGenerator

public UiComponentsGenerator(List<ComponentGenerationStrategy> componentGenerationStrategies)

Method Details

generate

public com.vaadin.flow.component.Component generate(ComponentGenerationContext context)

Creates a component according to the given ComponentGenerationContext.

Trying to find ComponentGenerationStrategy implementations. If at least one strategy exists, then:

1. Iterates over factories according to the Ordered interface.
2. Returns the first created not null component.

Parameters:

context - the ComponentGenerationContext instance

Returns:

a component instance

Throws:

IllegalArgumentException - if no component can be created for a given context

generateOrNull

@Nullable
public com.vaadin.flow.component.Component generateOrNull(ComponentGenerationContext context)

Creates a component according to the given ComponentGenerationContext.

Trying to find ComponentGenerationStrategy implementations. If at least one strategy exists, then:

1. Iterates over factories according to the Ordered interface.
2. Returns the first created not null component, or null if none created.

Parameters:

context - the ComponentGenerationContext instance

Returns:

a component instance or null

getComponentGenerationStrategies

protected List<ComponentGenerationStrategy> getComponentGenerationStrategies()