com.google.gwt.cell.client

Class AbstractEditableCell<C,V>

java.lang.Object

com.google.gwt.cell.client.AbstractCell<C>

com.google.gwt.cell.client.AbstractEditableCell<C,V>

Type Parameters:

C - the type that this Cell represents

V - the data type of the view data state

All Implemented Interfaces:

Cell<C>

Direct Known Subclasses:

AbstractInputCell, CheckboxCell, DatePickerCell, EditTextCell

public abstract class AbstractEditableCell<C,V>
extends AbstractCell<C>

A default implementation of the Cell interface used for editable cells that need to save view data state for specific values.

Example

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.gwt.cell.client.Cell

Cell.Context

Constructor Summary

Constructors

Constructor and Description
AbstractEditableCell(Set<String> consumedEvents) Construct a new AbstractEditableCell with the specified consumed events.
AbstractEditableCell(String... consumedEvents) Construct a new AbstractEditableCell with the specified consumed events.

Method Summary

Modifier and Type	Method and Description
void	clearViewData(Object key) Clear the view data associated with the specified key.
V	getViewData(Object key) Get the view data associated with the specified key.
abstract boolean	isEditing(Cell.Context context, Element parent, C value) Returns true if the cell is currently editing the data identified by the given element and key.
void	setViewData(Object key, V viewData) Associate view data with the specified key.

Methods inherited from class com.google.gwt.cell.client.AbstractCell

dependsOnSelection, getConsumedEvents, handlesSelection, onBrowserEvent, onEnterKeyDown, render, resetFocus, setValue

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Constructor Detail

AbstractEditableCell

public AbstractEditableCell(String... consumedEvents)

Construct a new AbstractEditableCell with the specified consumed events.

Parameters:

consumedEvents - the events that this cell consumes

AbstractEditableCell

public AbstractEditableCell(Set<String> consumedEvents)

Construct a new AbstractEditableCell with the specified consumed events.

Parameters:

consumedEvents - the events that this cell consumes

Method Detail

clearViewData

public void clearViewData(Object key)

Clear the view data associated with the specified key.

Parameters:

key - the key identifying the row value

getViewData

public V getViewData(Object key)

Get the view data associated with the specified key.

Parameters:

key - the key identifying the row object

Returns:

the view data, or null if none has been set

See Also:

setViewData(Object, Object)

isEditing

public abstract boolean isEditing(Cell.Context context,
                                  Element parent,
                                  C value)

Returns true if the cell is currently editing the data identified by the given element and key. While a cell is editing, widgets containing the cell may choose to pass keystrokes directly to the cell rather than using them for navigation purposes.

Specified by:

isEditing in interface Cell<C>

Overrides:

isEditing in class AbstractCell<C>

Parameters:

context - the Context of the cell

parent - the parent Element

value - the value associated with the cell

Returns:

true if the cell is in edit mode

setViewData

public void setViewData(Object key,
                        V viewData)

Associate view data with the specified key. If the key is null, the view data will be ignored.

Parameters:

key - the key of the view data

viewData - the view data to associate

See Also:

getViewData(Object)