Uses of Interface
com.vaadin.server.Extension

Packages that use Extension

Package	Description
com.vaadin.data.provider
com.vaadin.server
com.vaadin.ui
com.vaadin.ui.components.grid
com.vaadin.ui.dnd
com.vaadin.ui.renderers

Uses of Extension in com.vaadin.data.provider

Classes in com.vaadin.data.provider that implement Extension

Modifier and Type	Class	Description
class	DataCommunicator<T>	DataProvider base class.
class	HierarchicalDataCommunicator<T>	Data communicator that handles requesting hierarchical data from HierarchicalDataProvider and sending it to client side.

Uses of Extension in com.vaadin.server

Classes in com.vaadin.server that implement Extension

Modifier and Type	Class	Description
class	AbstractExtension	An extension is an entity that is attached to a Component or another Extension and independently communicates between client and server.
class	AbstractJavaScriptExtension	Base class for Extensions with all client-side logic implemented using JavaScript.
class	BrowserWindowOpener	Component extension that opens a browser popup window when the extended component is clicked.
class	FileDownloader	Extension that starts a download when the extended component is clicked.
class	Responsive	An extension providing responsive layout capabilities to any Vaadin component.

Methods in com.vaadin.server that return types with arguments of type Extension

Modifier and Type	Method	Description
Collection<Extension>	AbstractClientConnector.getExtensions()
Collection<Extension>	ClientConnector.getExtensions()	Get a read-only collection of all extensions attached to this connector.
Collection<Extension>	DragAndDropService.getExtensions()	Deprecated.

Methods in com.vaadin.server with parameters of type Extension

Modifier and Type	Method	Description
protected void	AbstractClientConnector.addExtension(Extension extension)	Add an extension to this connector.
void	AbstractClientConnector.removeExtension(Extension extension)
void	ClientConnector.removeExtension(Extension extension)	Remove an extension from this connector.
void	DragAndDropService.removeExtension(Extension extension)	Deprecated.

Uses of Extension in com.vaadin.ui

Classes in com.vaadin.ui that implement Extension

Modifier and Type	Class	Description
static class	AbstractListing.AbstractListingExtension<T>	A helper base class for creating extensions for Listing components.
static class	Grid.AbstractGridExtension<T>	A helper base class for creating extensions for the Grid component.
static class	Grid.Column<T,V>	This extension manages the configuration and data communication for a Column inside of a Grid component.
static class	Grid.DetailsManager<T>	Class for managing visible details rows.
class	JavaScript	Provides access to JavaScript functionality in the web browser.
class	Notification	A notification message, used to display temporary messages to the user - for example "Document saved", or "Save failed".
static class	Tree.TreeMultiSelectionModel<T>	Custom MultiSelectionModel for Tree.
class	Tree.TreeRenderer	String renderer that handles icon resources and stores their identifiers into data objects.

Uses of Extension in com.vaadin.ui.components.grid

Subinterfaces of Extension in com.vaadin.ui.components.grid

Modifier and Type	Interface	Description
interface	GridSelectionModel<T>	The server-side interface that controls Grid's selection state.
interface	MultiSelectionModel<T>	Multiselection model interface for Grid.
interface	SingleSelectionModel<T>	Single selection model interface for Grid.

Classes in com.vaadin.ui.components.grid that implement Extension

Modifier and Type	Class	Description
class	AbstractSelectionModel<T>	Abstract selection model for grid.
class	EditorImpl<T>	Implementation of Editor interface.
class	GridDragSource<T>	Makes a Grid's rows draggable for HTML5 drag and drop functionality.
class	GridDropTarget<T>	Makes the rows of a Grid HTML5 drop targets.
class	MultiSelectionModelImpl<T>	Multiselection model for grid.
class	NoSelectionModel<T>	Selection model that doesn't allow selecting anything from the grid.
class	SingleSelectionModelImpl<T>	Single selection model for grid.
class	TreeGridDragSource<T>	Makes a TreeGrid's rows draggable for HTML5 drag and drop functionality.
class	TreeGridDropTarget<T>	Makes the rows of a TreeGrid HTML5 drop targets.

Uses of Extension in com.vaadin.ui.dnd

Classes in com.vaadin.ui.dnd that implement Extension

Modifier and Type	Class	Description
class	DragSourceExtension<T extends AbstractComponent>	Extension to make a component drag source for HTML5 drag and drop functionality.
class	DropTargetExtension<T extends AbstractComponent>	Extension to make a component a drop target for HTML5 drag and drop functionality.
class	FileDropTarget<T extends AbstractComponent>	Extension to add drop target functionality to a widget for accepting and uploading files.

Uses of Extension in com.vaadin.ui.renderers

Subinterfaces of Extension in com.vaadin.ui.renderers

Modifier and Type	Interface	Description
interface	Renderer<T>	A ClientConnector for controlling client-side com.vaadin.client.renderers.Renderer Grid renderers.

Classes in com.vaadin.ui.renderers that implement Extension

Modifier and Type	Class	Description
class	AbstractJavaScriptRenderer<T,V>	Base class for Renderers with all client-side logic implemented using JavaScript.
class	AbstractRenderer<T,V>	An abstract base class for server-side Grid renderers.
class	ButtonRenderer<T>	A Renderer that displays a button with a textual caption.
class	ClickableRenderer<T,V>	An abstract superclass for Renderers that render clickable items.
class	ComponentRenderer	A renderer for presenting Components.
class	DateRenderer	A renderer for presenting date values.
class	HtmlRenderer	A renderer for presenting HTML content.
class	ImageRenderer<T>	A renderer for presenting images.
class	LocalDateRenderer	A renderer for presenting date values.
class	LocalDateTimeRenderer	A renderer for presenting LocalDateTime objects.
class	NumberRenderer	A renderer for presenting number values.
class	ProgressBarRenderer	A renderer that represents double values between 0 and 1 as a graphical progress bar.
class	TextRenderer	A renderer for presenting a plain text representation of any value.