org.gwt.advanced.client.ui.widget.cell

Class ImageCell

java.lang.Object

com.google.gwt.user.client.ui.UIObject

com.google.gwt.user.client.ui.Widget

com.google.gwt.user.client.ui.Panel

com.google.gwt.user.client.ui.SimplePanel

org.gwt.advanced.client.ui.widget.cell.AbstractCell

org.gwt.advanced.client.ui.widget.cell.ImageCell

All Implemented Interfaces:

com.google.gwt.event.logical.shared.HasAttachHandlers, com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.EventListener, com.google.gwt.user.client.ui.AcceptsOneWidget, com.google.gwt.user.client.ui.HasOneWidget, com.google.gwt.user.client.ui.HasVisibility, com.google.gwt.user.client.ui.HasWidgets, com.google.gwt.user.client.ui.HasWidgets.ForIsWidget, com.google.gwt.user.client.ui.IsWidget, Iterable<com.google.gwt.user.client.ui.Widget>, GridCell

public class ImageCell
extends AbstractCell

This is a cell implementation forr Image widgets.

Since:

1.0.0

Author:

Sergey Skladchikov

Nested Class Summary

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject

com.google.gwt.user.client.ui.UIObject.DebugIdImpl, com.google.gwt.user.client.ui.UIObject.DebugIdImplEnabled

Nested classes/interfaces inherited from interface com.google.gwt.user.client.ui.HasWidgets

com.google.gwt.user.client.ui.HasWidgets.ForIsWidget

Field Summary

Fields

Modifier and Type	Field and Description
static String	SINGLE_IMAGE one pixel image name

Fields inherited from class com.google.gwt.user.client.ui.UIObject

DEBUG_ID_PREFIX

Constructor Summary

Constructors

Constructor and Description
ImageCell()

Method Summary

Methods

Modifier and Type	Method and Description
protected com.google.gwt.user.client.ui.Widget	createActive() This method creates an active cell element (content).
protected com.google.gwt.user.client.ui.Widget	createInactive() This method creates an inactive cell element (content).
protected com.google.gwt.user.client.ui.Image	getImage() Getter for property 'image'.
Object	getNewValue() This method returns a new value entered while the cell is active.
void	setFocus(boolean focus) This method sets focus to the cell.
boolean	valueEqual(Object value) This method compares values in this cell and in the specified cell.

Methods inherited from class org.gwt.advanced.client.ui.widget.cell.AbstractCell

addListeners, canBeDeactivated, displayActive, getColumn, getDefaultBlurHandler, getGrid, getLabel, getRow, getValue, isActive, isDefaultFocusListenerAdded, prepare, removeListeners, setActive, setGrid, setLabel, setPosition, setValue

Methods inherited from class com.google.gwt.user.client.ui.SimplePanel

add, getContainerElement, getWidget, iterator, remove, setWidget, setWidget

Methods inherited from class com.google.gwt.user.client.ui.Panel

add, adopt, adopt, clear, disown, doAttachChildren, doDetachChildren, orphan, remove

Methods inherited from class com.google.gwt.user.client.ui.Widget

addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, onAttach, onBrowserEvent, onDetach, onLoad, onUnload, removeFromParent, setLayoutData, sinkEvents

Methods inherited from class com.google.gwt.user.client.ui.UIObject

addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, resolvePotentialElement, setElement, setElement, setHeight, setPixelSize, setSize, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkBitlessEvent, toString, unsinkEvents

Methods inherited from class java.lang.Object

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

Field Detail

SINGLE_IMAGE

public static final String SINGLE_IMAGE

one pixel image name

Constructor Detail

ImageCell

public ImageCell()

Method Detail

valueEqual

public boolean valueEqual(Object value)

This method compares values in this cell and in the specified cell.

NOTE: it can return a result not correlating with the result of the equals method invocation.

Specified by:

valueEqual in interface GridCell

Overrides:

valueEqual in class AbstractCell

Parameters:

value - is a value to be compared.

Returns:

true if values are equal.

createActive

protected com.google.gwt.user.client.ui.Widget createActive()

This method creates an active cell element (content).

Specified by:

createActive in class AbstractCell

Returns:

a content element.

createInactive

protected com.google.gwt.user.client.ui.Widget createInactive()

This method creates an inactive cell element (content).

Specified by:

createInactive in class AbstractCell

Returns:

a content element.

getImage

protected com.google.gwt.user.client.ui.Image getImage()

Getter for property 'image'.

Returns:

Value for property 'image'.

setFocus

public void setFocus(boolean focus)

This method sets focus to the cell.

Parameters:

focus - is a flag meaning whether the focus must be set or lost.

getNewValue

public Object getNewValue()

This method returns a new value entered while the cell is active.

If the cell is passive, it is an equivalent of the GridCell.getValue() method.

Returns:

is a new value.