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

Class ExpandableCellImpl

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.ExpandableCellImpl

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>, ExpandableCell, GridCell

Direct Known Subclasses:

TreeCell

public class ExpandableCellImpl
extends AbstractCell
implements ExpandableCell

This is a basic expandable cell implementation.

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

DEBUG_ID_PREFIX

Constructor Summary

Constructors

Constructor and Description
ExpandableCellImpl() Creates an instance of this class.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addListeners(com.google.gwt.user.client.ui.Widget widget) This method adds default listeners to the content widget.
protected com.google.gwt.user.client.ui.Widget	createActive() This method creates an active cell element (content).
protected void	createImage() This method creates the node image and adds the listener.
protected com.google.gwt.user.client.ui.Widget	createInactive() This method creates an inactive cell element (content).
void	displayActive(boolean active) This method shows the cell.
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.
protected com.google.gwt.user.client.ui.HorizontalPanel	getPanel() Getter for property 'panel'.
boolean	isExpanded() This method checks whether the cell is expanded.
boolean	isLeaf() This method checks whether the expanded cell is a leaf.
void	setExpanded(boolean expanded) This method sets an expanded flag value for the cell.
void	setFocus(boolean focus) This method sets focus to the cell.
protected void	setImage(com.google.gwt.user.client.ui.Image image) Setter for property 'image'.
void	setLeaf(boolean leaf) This method sets a leaf flag value.

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

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

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

Methods inherited from interface org.gwt.advanced.client.ui.widget.cell.GridCell

canBeDeactivated, getColumn, getGrid, getRow, getValue, isActive, setGrid, setPosition, setValue, valueEqual

Constructor Detail

ExpandableCellImpl

public ExpandableCellImpl()

Creates an instance of this class.

Method Detail

displayActive

public void displayActive(boolean active)

This method shows the cell.

Specified by:

displayActive in interface GridCell

Overrides:

displayActive in class AbstractCell

Parameters:

active - is a flag meaning whether the cell must be shown as active.

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.

setFocus

public void setFocus(boolean focus)

This method sets focus to the cell.

Specified by:

setFocus in interface GridCell

Parameters:

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

addListeners

protected void addListeners(com.google.gwt.user.client.ui.Widget widget)

This method adds default listeners to the content widget.

Overrides:

addListeners in class AbstractCell

Parameters:

widget - is a content widget.

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.

Specified by:

getNewValue in interface GridCell

Returns:

is a new value.

isExpanded

public boolean isExpanded()

This method checks whether the cell is expanded.

Specified by:

isExpanded in interface ExpandableCell

Returns:

a result of check.

setExpanded

public void setExpanded(boolean expanded)

This method sets an expanded flag value for the cell.

Specified by:

setExpanded in interface ExpandableCell

Parameters:

expanded - is an expanded falg value.

isLeaf

public boolean isLeaf()

This method checks whether the expanded cell is a leaf.

Specified by:

isLeaf in interface ExpandableCell

Returns:

a result of check.

setLeaf

public void setLeaf(boolean leaf)

This method sets a leaf flag value.

Specified by:

setLeaf in interface ExpandableCell

Parameters:

leaf - a leaf flag value.

getImage

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

Getter for property 'image'.

Returns:

Value for property 'image'.

createImage

protected void createImage()

This method creates the node image and adds the listener.

setImage

protected void setImage(com.google.gwt.user.client.ui.Image image)

Setter for property 'image'.

Parameters:

image - Value to set for property 'image'.

getPanel

protected com.google.gwt.user.client.ui.HorizontalPanel getPanel()

Getter for property 'panel'.

Returns:

Value for property 'panel'.