Package com.vaadin.classic.v8.ui

Interface ComponentContainer

All Superinterfaces:

HasComponents, com.vaadin.flow.component.HasComponents, HasComponents.ComponentAttachDetachNotifier, com.vaadin.flow.component.HasElement, com.vaadin.flow.component.HasEnabled, java.lang.Iterable<com.vaadin.flow.component.Component>, java.io.Serializable

All Known Subinterfaces:

Layout

All Known Implementing Classes:

AbsoluteLayout, AbstractComponentContainer, AbstractLayout, AbstractOrderedLayout, FormLayout, GridLayout, HorizontalLayout, VerticalLayout

public interface ComponentContainer
extends HasComponents, com.vaadin.flow.component.HasComponents, HasComponents.ComponentAttachDetachNotifier

Legacy version of ComponentContainer, a special type of parent which allows the user to add and remove components to it. Typically, does not have any restrictions on the number of children it can contain.

Author:

Vaadin Ltd.

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.classic.v8.ui.HasComponents

HasComponents.ComponentAttachDetachNotifier, HasComponents.ComponentAttachEvent, HasComponents.ComponentAttachListener, HasComponents.ComponentDetachEvent, HasComponents.ComponentDetachListener

Method Summary

Modifier and Type	Method	Description
void	addComponent(com.vaadin.flow.component.Component c)	Adds the component into this container.
void	addComponents(com.vaadin.flow.component.Component... components)	Adds the components in the given order to this component container.
int	getComponentCount()	Gets the number of children this ComponentContainer has
void	moveComponentsFrom(ComponentContainer source)	Moves all components from another container into this container.
void	removeAllComponents()	Removes all components from this container.
void	removeComponent(com.vaadin.flow.component.Component c)	Removes the component from this container.
void	replaceComponent(com.vaadin.flow.component.Component oldComponent, com.vaadin.flow.component.Component newComponent)	Replaces the component in the container with another one without changing position.

Methods inherited from interface com.vaadin.classic.v8.ui.HasComponents

iterator

Methods inherited from interface com.vaadin.flow.component.HasComponents

add, add, add, addComponentAsFirst, addComponentAtIndex, remove, remove, removeAll

Methods inherited from interface com.vaadin.classic.v8.ui.HasComponents.ComponentAttachDetachNotifier

addComponentAttachListener, addComponentDetachListener

Methods inherited from interface com.vaadin.flow.component.HasElement

getElement

Methods inherited from interface com.vaadin.flow.component.HasEnabled

isEnabled, setEnabled

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

addComponent

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

Adds the component into this container.

Parameters:

c - the component to be added.

addComponents

void addComponents(com.vaadin.flow.component.Component... components)

Adds the components in the given order to this component container.

Parameters:

components - The components to add.

removeComponent

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

Removes the component from this container.

Parameters:

c - the component to be removed.

removeAllComponents

void removeAllComponents()

Removes all components from this container.

replaceComponent

void replaceComponent(com.vaadin.flow.component.Component oldComponent,
                      com.vaadin.flow.component.Component newComponent)

Replaces the component in the container with another one without changing position.

This method replaces component with another one is such way that the new component overtakes the position of the old component. If the old component is not in the container, the new component is added to the container. If the both component are already in the container, their positions are swapped. Component attach and detach events should be taken care as with add and remove.

Parameters:

oldComponent - the old component that will be replaced.

newComponent - the new component to be replaced.

getComponentCount

int getComponentCount()

Gets the number of children this ComponentContainer has

Returns:

The number of child components this container has.

moveComponentsFrom

void moveComponentsFrom(ComponentContainer source)

Moves all components from another container into this container. The components are removed from source.

Parameters:

source - the container which contains the components that are to be moved to this container.