Package com.vaadin.ui

Class Tree.TreeRenderer

java.lang.Object

com.vaadin.server.AbstractClientConnector

com.vaadin.server.AbstractExtension

com.vaadin.ui.renderers.AbstractRenderer<T,String>

com.vaadin.ui.Tree.TreeRenderer

All Implemented Interfaces:

DataGenerator<T>, MethodEventSource, ClientConnector, Extension, Connector, Renderer<String>, Serializable

Enclosing class:

Tree<T>

public final class Tree.TreeRenderer
extends AbstractRenderer<T,String>
implements DataGenerator<T>

String renderer that handles icon resources and stores their identifiers into data objects.

Since:

8.1

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.server.ClientConnector

ClientConnector.AttachEvent, ClientConnector.AttachListener, ClientConnector.ConnectorErrorEvent, ClientConnector.DetachEvent, ClientConnector.DetachListener

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TreeRenderer()	Constructs a new TreeRenderer.

Method Summary

Modifier and Type	Method	Description
void	destroyAllData()	Informs the DataGenerator that all data has been dropped.
void	destroyData(T item)	Informs the DataGenerator that the given data item has been dropped and is no longer needed.
void	generateData(T item, elemental.json.JsonObject jsonObject)	Adds custom data for the given item to its serialized JsonObject representation.
protected TreeRendererState	getState()	Returns the shared state for this connector.
protected TreeRendererState	getState(boolean markAsDirty)	Returns the shared state for this connector.

Methods inherited from class com.vaadin.ui.renderers.AbstractRenderer

encode, encode, extend, getNullRepresentation, getParent, getParentGrid, getPresentationType, getSupportedParentType

Methods inherited from class com.vaadin.server.AbstractExtension

remove, setParent

Methods inherited from class com.vaadin.server.AbstractClientConnector

addAttachListener, addDetachListener, addExtension, addListener, addListener, addListener, addListener, addListener, addListener, addMethodInvocationToQueue, attach, beforeClientResponse, createState, detach, encodeState, equals, fireEvent, getAllChildrenIterable, getConnectorId, getErrorHandler, getExtensions, getListeners, getResource, getRpcManager, getRpcProxy, getSession, getStateType, getUI, handleConnectorRequest, hashCode, hasListeners, isAttached, isConnectorEnabled, isThis, markAsDirty, markAsDirtyRecursive, registerRpc, registerRpc, removeAttachListener, removeDetachListener, removeExtension, removeListener, removeListener, removeListener, removeListener, removeListener, requestRepaint, requestRepaintAll, retrievePendingRpcCalls, setErrorHandler, setResource, updateDiffstate

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.server.ClientConnector

addAttachListener, addDetachListener, attach, beforeClientResponse, detach, encodeState, getErrorHandler, getExtensions, getRpcManager, getStateType, getUI, handleConnectorRequest, isAttached, isConnectorEnabled, markAsDirty, markAsDirtyRecursive, removeAttachListener, removeDetachListener, removeExtension, requestRepaint, requestRepaintAll, retrievePendingRpcCalls, setErrorHandler

Methods inherited from interface com.vaadin.shared.Connector

getConnectorId

Methods inherited from interface com.vaadin.data.provider.DataGenerator

refreshData

Methods inherited from interface com.vaadin.ui.renderers.Renderer

remove, setParent

Constructor Detail

TreeRenderer

protected TreeRenderer()

Constructs a new TreeRenderer.

Method Detail

generateData

public void generateData(T item,
                         elemental.json.JsonObject jsonObject)

Description copied from interface: DataGenerator

Adds custom data for the given item to its serialized JsonObject representation. This JSON object will be sent to client-side DataProvider.

Specified by:

generateData in interface DataGenerator<T>

Parameters:

item - the data item being serialized

jsonObject - the JSON object being sent to the client

destroyData

public void destroyData(T item)

Description copied from interface: DataGenerator

Informs the DataGenerator that the given data item has been dropped and is no longer needed. This method should clean up any unneeded information stored for this item.

Specified by:

destroyData in interface DataGenerator<T>

Parameters:

item - the dropped data item

destroyAllData

public void destroyAllData()

Description copied from interface: DataGenerator

Informs the DataGenerator that all data has been dropped. This method should clean up any unneeded information stored for items.

Specified by:

destroyAllData in interface DataGenerator<T>

getState

protected TreeRendererState getState()

Description copied from class: AbstractClientConnector

Returns the shared state for this connector. The shared state object is shared between the server connector and the client connector. Changes are only communicated from the server to the client and not in the other direction.

As a side effect, marks the connector dirty so any changes done to the state will be sent to the client. Use getState(false) to avoid marking the connector as dirty.

Overrides:

getState in class AbstractRenderer<T,String>

Returns:

The shared state for this connector. Never null.

getState

protected TreeRendererState getState(boolean markAsDirty)

Description copied from class: AbstractClientConnector

Returns the shared state for this connector.

Overrides:

getState in class AbstractRenderer<T,String>

Parameters:

markAsDirty - true if the connector should automatically be marked dirty, false otherwise

Returns:

The shared state for this connector. Never null.

See Also:

AbstractClientConnector.getState()