com.vaadin.ui.components.grid
Class AbstractRenderer<T>

java.lang.Object
  com.vaadin.server.AbstractClientConnector
      com.vaadin.server.AbstractExtension
          com.vaadin.ui.components.grid.AbstractRenderer<T>

Type Parameters:

T - the type this renderer knows how to present

All Implemented Interfaces:

MethodEventSource, ClientConnector, Extension, com.vaadin.shared.Connector, Renderer<T>, java.io.Serializable

Direct Known Subclasses:

DateRenderer, HtmlRenderer, NumberRenderer, TextRenderer

public abstract class AbstractRenderer<T>
extends AbstractExtension
implements Renderer<T>

An abstract base class for server-side Grid renderers. Grid renderers. This class currently extends the AbstractExtension superclass, but this fact should be regarded as an implementation detail and subject to change in a future major or minor Vaadin revision.

Since:

Author:

Vaadin Ltd

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

protected

AbstractRenderer(java.lang.Class<T> presentationType)

Method Summary

protected void	extend(AbstractClientConnector target) Deprecated.
protected java.lang.Object	getItemId(java.lang.String key) Gets the item id for a row key.
java.lang.Class<T>	getPresentationType() Returns the class literal corresponding to the presentation type T.
protected java.lang.Class<Grid>	getSupportedParentType() Deprecated.

Methods inherited from class com.vaadin.server.AbstractExtension

getParent, remove, setParent

Methods inherited from class com.vaadin.server.AbstractClientConnector

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.ui.components.grid.Renderer

encode, remove, setParent

Methods inherited from interface com.vaadin.server.ClientConnector

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

Methods inherited from interface com.vaadin.shared.Connector

getConnectorId

Constructor Detail

AbstractRenderer

protected AbstractRenderer(java.lang.Class<T> presentationType)

Method Detail

getSupportedParentType

@Deprecated
protected java.lang.Class<Grid> getSupportedParentType()

Deprecated.

This method is inherited from AbstractExtension but should never be called directly with an AbstractRenderer.

Overrides:

getSupportedParentType in class AbstractExtension

Returns:

a type that the parent must be an instance of

extend

@Deprecated
protected void extend(AbstractClientConnector target)

Deprecated.

This method is inherited from AbstractExtension but should never be called directly with an AbstractRenderer.

Overrides:

extend in class AbstractExtension

Parameters:

target - the connector to attach this extension to

getPresentationType

public java.lang.Class<T> getPresentationType()

Description copied from interface: Renderer

Returns the class literal corresponding to the presentation type T.

Specified by:

getPresentationType in interface Renderer<T>

Returns:

the class literal of T

getItemId

protected java.lang.Object getItemId(java.lang.String key)

Gets the item id for a row key.

A key is used to identify a particular row on both a server and a client. This method can be used to get the item id for the row key that the client has sent.

Parameters:

key - the row key for which to retrieve an item id

Returns:

the item id corresponding to key