com.vaadin.flow.component.contextmenu.

java.lang.Object
- com.vaadin.flow.component.contextmenu.MenuManager<C,I,S>

Type Parameters:

C - the context menu type

I - the menu item type

S - the sub menu type

All Implemented Interfaces:

Serializable
```
public class MenuManager<C extends Component,I extends MenuItemBase<?,I,S>,S extends SubMenuBase<?,I,S>>
extends Object
implements Serializable
```
Common management logic for context menus and sub menus. Maintains the list of components to stamp into one overlay.

Author:

Vaadin Ltd.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`MenuManager(C menu, SerializableRunnable contentReset, SerializableBiFunction<C,SerializableRunnable,I> itemGenerator, Class<I> itemType, I parentMenuItem)`	Creates a new manager instance.

Method Summary

All Methods
Modifier and Type	Method	Description
`void`	`add(Component... components)`	Adds components to the (sub)menu.
`void`	`addComponentAtIndex(int index, Component component)`	Inserts component to the (sub)menu using the `index`.
`I`	`addItem(Component component)`	Adds a component as a menu item.
`I`	`addItem(Component component, ComponentEventListener<ClickEvent<I>> clickListener)`	Adds a component as a menu item with a click listener.
`I`	`addItem(String text)`	Adds a text as a menu item.
`I`	`addItem(String text, ComponentEventListener<ClickEvent<I>> clickListener)`	Adds a text as a menu item with a click listener.
`Stream<Component>`	`getChildren()`	Gets all (sub)menu children.
`List<I>`	`getItems()`	Gets all children items.
`void`	`remove(Component... components)`	Removes components to the (sub)menu.
`void`	`removeAll()`	Remove all components and items from (sub)menu.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MenuManager
```
public MenuManager(C menu,
                   SerializableRunnable contentReset,
                   SerializableBiFunction<C,SerializableRunnable,I> itemGenerator,
                   Class<I> itemType,
                   I parentMenuItem)
```
    Creates a new manager instance.
    
    Parameters:
    
    menu - the context menu
    
    contentReset - callback to reset the context menu
    
    itemGenerator - the item generator/factory
    
    itemType - the item type
    
    parentMenuItem - the parent menu item of the submenu
- Method Detail
  - addItem
```
public I addItem(String text)
```
    Adds a text as a menu item.
    
    Parameters:
    
    text - the text for the menu item
    
    Returns:
    
    a new menu item
  - addItem
```
public I addItem(Component component)
```
    Adds a component as a menu item.
    
    Parameters:
    
    component - the component for the menu item
    
    Returns:
    
    a new menu item
  - addItem
```
public I addItem(String text,
                 ComponentEventListener<ClickEvent<I>> clickListener)
```
    Adds a text as a menu item with a click listener.
    
    Parameters:
    
    text - the text for the menu item
    
    clickListener - a click listener
    
    Returns:
    
    a new menu item
  - addItem
```
public I addItem(Component component,
                 ComponentEventListener<ClickEvent<I>> clickListener)
```
    Adds a component as a menu item with a click listener.
    
    Parameters:
    
    component - the component for the menu item
    
    clickListener - a click listener
    
    Returns:
    
    a new menu item
  - add
```
public void add(Component... components)
```
    Adds components to the (sub)menu.
    The components are added into the content as is, they are not wrapped as menu items.
    
    Parameters:
    
    components - components to add
    
    See Also:
    
    remove(Component...), addComponentAtIndex(int, Component)
  - remove
```
public void remove(Component... components)
```
    Removes components to the (sub)menu.
    
    Parameters:
    
    components - components to remove
    
    See Also:
    
    add(Component...)
  - removeAll
```
public void removeAll()
```
    Remove all components and items from (sub)menu.
    
    See Also:
    
    remove(Component...)
  - addComponentAtIndex
```
public void addComponentAtIndex(int index,
                                Component component)
```
    Inserts component to the (sub)menu using the index.
    The component is inserted into the content as is, it is not wrapped as a menu item.
    
    Parameters:
    
    index - index to insert, not negative
    
    component - component to insert
    
    See Also:
    
    add(Component...), remove(Component...)
  - getChildren
```
public Stream<Component> getChildren()
```
    Gets all (sub)menu children.
    Children consist of components and items.
    
    Returns:
    
    the children components
    
    See Also:
    
    add(Component...), addItem(Component), getItems()
  - getItems
```
public List<I> getItems()
```
    Gets all children items.
    The items are filtered using the provided item type in the constructor.
    
    Returns:
    
    all children items
    
    See Also:
    
    getChildren()

com.vaadin.flow.component.contextmenu.

Class MenuManager<C extends Component,​I extends MenuItemBase<?,​I,​S>,​S extends SubMenuBase<?,​I,​S>>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

MenuManager

Method Detail

addItem

addItem

addItem

addItem

add

remove

removeAll

addComponentAtIndex

getChildren

getItems

Class MenuManager<C extends Component,I extends MenuItemBase<?,I,S>,S extends SubMenuBase<?,I,S>>