Package com.storedobject.vaadin

Interface ClickHandler

All Superinterfaces:

com.vaadin.flow.component.ComponentEventListener<com.vaadin.flow.component.ClickEvent<? extends com.vaadin.flow.component.Component>>, EventListener, Serializable

All Known Subinterfaces:

ExecutableView, HasColumns<T>

All Known Implementing Classes:

AbstractDataEditor, AbstractDataForm, ActionForm, Dashboard, DataEditor, DataForm, DataGrid, DataTreeGrid, ImageView, InformationMessage, ListGrid, MultiSelectGrid, SelectGrid, View, Viewer, ViewGrid, WrappedView

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ClickHandler
extends com.vaadin.flow.component.ComponentEventListener<com.vaadin.flow.component.ClickEvent<? extends com.vaadin.flow.component.Component>>

Interface that handles mouse clicks (typically on Button).

Author:

Syam

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	ClickHandler.ModifiedClickEvent<C extends com.vaadin.flow.component.Component>	Create a click event from another event.

Method Summary

Modifier and Type	Method	Description
default void	clicked(com.vaadin.flow.component.ClickEvent<? extends com.vaadin.flow.component.Component> event)	This method is invoked from onComponentEvent(ClickEvent) when a component is clicked.
void	clicked(com.vaadin.flow.component.Component c)	This method is invoked from clicked(ClickEvent) when a component is clicked.
static <T extends com.vaadin.flow.component.Component> com.vaadin.flow.component.ComponentEventListener<com.vaadin.flow.component.ClickEvent<T>>	convert(ClickHandler clickHandler)	Convert a Click Handler to a ComponentEventListener.
default void	doubleClicked(com.vaadin.flow.component.Component c)	This method is invoked from clicked(ClickEvent) when a component is double-clicked.
default void	onComponentEvent(com.vaadin.flow.component.ClickEvent<? extends com.vaadin.flow.component.Component> event)	Default implementation invokes clicked(ClickEvent).
default void	rightClicked(com.vaadin.flow.component.Component c)	This method is invoked from clicked(ClickEvent) when right-clicked.
static ClickHandler	transfer(ClickHandler clickHandler, com.vaadin.flow.component.Component another)	Create a "click handler" that transfers the "clicks" to another component.

Method Details

clicked

void clicked(com.vaadin.flow.component.Component c)

This method is invoked from clicked(ClickEvent) when a component is clicked.

Parameters:

c - Component

doubleClicked

default void doubleClicked(com.vaadin.flow.component.Component c)

This method is invoked from clicked(ClickEvent) when a component is double-clicked. Default implementation invokes clicked(Component).

Parameters:

c - Component

rightClicked

default void rightClicked(com.vaadin.flow.component.Component c)

This method is invoked from clicked(ClickEvent) when right-clicked. Default implementation invokes clicked(Component).

Parameters:

c - Component

clicked

default void clicked(com.vaadin.flow.component.ClickEvent<? extends com.vaadin.flow.component.Component> event)

This method is invoked from onComponentEvent(ClickEvent) when a component is clicked. Default implementation invokes clicked(Component), doubleClicked(Component) or rightClicked(Component).

Parameters:

event - Click event (This could be a EnhancedClickEvent)

onComponentEvent

default void onComponentEvent(com.vaadin.flow.component.ClickEvent<? extends com.vaadin.flow.component.Component> event)

Default implementation invokes clicked(ClickEvent).

Specified by:

onComponentEvent in interface com.vaadin.flow.component.ComponentEventListener<com.vaadin.flow.component.ClickEvent<? extends com.vaadin.flow.component.Component>>

Parameters:

event - Click event (This could be a EnhancedClickEvent)

convert

static <T extends com.vaadin.flow.component.Component>
com.vaadin.flow.component.ComponentEventListener<com.vaadin.flow.component.ClickEvent<T>> convert(ClickHandler clickHandler)

Convert a Click Handler to a ComponentEventListener.

Type Parameters:

T - Component type

Parameters:

clickHandler - Click handler to convert.

Returns:

Component event handler.

transfer

static ClickHandler transfer(ClickHandler clickHandler,
 com.vaadin.flow.component.Component another)

Create a "click handler" that transfers the "clicks" to another component.

Parameters:

clickHandler - Click handler whose clicks to be transferred.

another - Component to which clicks to be transferred.

Returns:

Newly created click handler.