com.vaadin.ui
Class Grid.AbstractGridExtension

java.lang.Object
  com.vaadin.server.AbstractClientConnector
      com.vaadin.server.AbstractExtension
          com.vaadin.ui.Grid.AbstractGridExtension

All Implemented Interfaces:

MethodEventSource, ClientConnector, Extension, com.vaadin.shared.Connector, java.io.Serializable

Direct Known Subclasses:

Grid.AbstractRenderer

Enclosing class:

Grid

public abstract static class Grid.AbstractGridExtension
extends AbstractExtension

An abstract base class for server-side Grid extensions.

Since:

7.5

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

Grid.AbstractGridExtension()
Constructs a new Grid extension.

Grid.AbstractGridExtension(Grid grid)
Constructs a new Grid extension and extends given Grid.

Method Summary

protected Grid.Column	getColumn(java.lang.String columnId) Gets the column for a column id.
protected java.lang.Object	getItemId(java.lang.String rowKey) Gets the item id for a row key.
protected Grid	getParentGrid() Gets the parent Grid of the renderer.

Methods inherited from class com.vaadin.server.AbstractExtension

extend, getParent, getSupportedParentType, remove, setParent

Methods inherited from class com.vaadin.server.AbstractClientConnector

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

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

Constructor Detail

Grid.AbstractGridExtension

public Grid.AbstractGridExtension()

Constructs a new Grid extension.

Grid.AbstractGridExtension

public Grid.AbstractGridExtension(Grid grid)

Constructs a new Grid extension and extends given Grid.

Parameters:

grid - a grid instance

Method Detail

getItemId

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

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:

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

Returns:

the item id corresponding to key

getColumn

protected Grid.Column getColumn(java.lang.String columnId)

Gets the column for a column id.

An id is used to identify a particular column on both a server and a client. This method can be used to get the column for the column id that the client has sent.

Parameters:

columnId - the column id for which to retrieve a column

Returns:

the column corresponding to columnId

getParentGrid

protected Grid getParentGrid()

Gets the parent Grid of the renderer.

Returns:

parent grid

Throws:

java.lang.IllegalStateException - if parent is not Grid