HasComponents (Vaadin Flow Classic Components 23.3.0 API)

All Superinterfaces:

java.lang.Iterable<com.vaadin.flow.component.Component>

All Known Subinterfaces:

ComponentContainer, Layout, SingleComponentContainer

All Known Implementing Classes:

AbsoluteLayout, AbstractComponentContainer, AbstractLayout, AbstractOrderedLayout, AbstractSingleComponentContainer, FormLayout, GridLayout, HorizontalLayout, Panel, VerticalLayout
```
public interface HasComponents
extends java.lang.Iterable<com.vaadin.flow.component.Component>
```
Interface that must be implemented by all legacy framework AbstractComponents that contain other AbstractComponents and Flow's Components.

Author:

Vaadin Ltd

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static interface`	`HasComponents.ComponentAttachDetachNotifier`	Interface for `HasComponents` implementations that support sending attach and detach events for components.
`static class`	`HasComponents.ComponentAttachEvent`	Component attach event sent when a component is attached to container.
`static interface`	`HasComponents.ComponentAttachListener`	Component attach listener interface.
`static class`	`HasComponents.ComponentDetachEvent`	Component detach event sent when a component is detached from container.
`static interface`	`HasComponents.ComponentDetachListener`	Component detach listener interface.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.Iterator<com.vaadin.flow.component.Component>`	`iterator()`	Gets an iterator to the collection of contained components.

Methods inherited from interface java.lang.Iterable
forEach, spliterator

- Method Detail
  - iterator
```
java.util.Iterator<com.vaadin.flow.component.Component> iterator()
```
    Gets an iterator to the collection of contained components. Using this iterator it is possible to step through all components contained in this container.
    The iterator is typically unmodifiable, and calls to Iterator.remove() throw an exception.
    
    Specified by:
    
    iterator in interface java.lang.Iterable<com.vaadin.flow.component.Component>
    
    Returns:
    
    the component iterator.