Package com.vaadin.flow.component.grid.contextmenu

Class GridSubMenu<T>

java.lang.Object

com.vaadin.flow.component.contextmenu.SubMenuBase<GridContextMenu<T>,GridMenuItem<T>,GridSubMenu<T>>

com.vaadin.flow.component.grid.contextmenu.GridSubMenu<T>

All Implemented Interfaces:

Serializable

public class GridSubMenu<T>
extends SubMenuBase<GridContextMenu<T>,GridMenuItem<T>,GridSubMenu<T>>

API that allows adding content into the sub menus of a GridContextMenu to create hierarchical menus. Get it by calling MenuItemBase.getSubMenu() on the item component that should open the sub menu. Sub menu will be rendered only if content has been added inside it.

Author:

Vaadin Ltd.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
GridSubMenu(GridMenuItem<T> parentMenuItem, SerializableRunnable contentReset)	Creates a new instance of submenu using the associated parentMenuItem (item which opens the submenu) and reset context menu callback.

Method Summary

Modifier and Type	Method	Description
GridMenuItem<T>	addItem(Component component, ComponentEventListener<GridContextMenu.GridContextMenuItemClickEvent<T>> clickListener)
GridMenuItem<T>	addItem(String text, ComponentEventListener<GridContextMenu.GridContextMenuItemClickEvent<T>> clickListener)
protected MenuManager<GridContextMenu<T>,GridMenuItem<T>,GridSubMenu<T>>	createMenuManager()	Creates a (sub) menu manager instance which contains logic to control the (sub) menu content.

Methods inherited from class com.vaadin.flow.component.contextmenu.SubMenuBase

add, addComponentAtIndex, addItem, addItem, getChildren, getItems, getMenuManager, getParentMenuItem, remove, removeAll

Methods inherited from class java.lang.Object

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

Constructor Details

GridSubMenu

public GridSubMenu(GridMenuItem<T> parentMenuItem,
 SerializableRunnable contentReset)

Creates a new instance of submenu using the associated parentMenuItem (item which opens the submenu) and reset context menu callback.

Parameters:

parentMenuItem - the associated menu item, not null

contentReset - the context menu reset callback, not null

Method Details

addItem

public GridMenuItem<T> addItem(String text,
 ComponentEventListener<GridContextMenu.GridContextMenuItemClickEvent<T>> clickListener)

addItem

public GridMenuItem<T> addItem(Component component,
 ComponentEventListener<GridContextMenu.GridContextMenuItemClickEvent<T>> clickListener)

createMenuManager

protected MenuManager<GridContextMenu<T>,GridMenuItem<T>,GridSubMenu<T>> createMenuManager()

Description copied from class: SubMenuBase

Creates a (sub) menu manager instance which contains logic to control the (sub) menu content.

Specified by:

createMenuManager in class SubMenuBase<GridContextMenu<T>,GridMenuItem<T>,GridSubMenu<T>>

Returns:

a new menu manager instance