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

Class NumberCell

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.TextBaseCell

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

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

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

Direct Known Subclasses:

DoubleCell, FloatCell, IntegerCell, LongCell, ShortCell

public abstract class NumberCell
extends TextBoxCell

This is an abstract implementation for all numeric cells.

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
protected static String	INTEGER_PATTERN integer number pattern
protected static String	REAL_PATTERN real number pattern

Fields inherited from class org.gwt.advanced.client.ui.widget.cell.TextBaseCell

textBox

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

DEBUG_ID_PREFIX

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NumberCell(String regExp, double max, double min) Creates an instance of the 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 abstract Number	convertToNumber(String text) This method converts abstract number to a concrete number implementation.
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).
Object	getNewValue() This method returns a new value entered while the cell is active.
void	setValue(Object value) This method sets a cell value.

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

getTextBox

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

getLabel, setFocus

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

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

Field Detail

INTEGER_PATTERN

protected static final String INTEGER_PATTERN

integer number pattern

See Also:

Constant Field Values

REAL_PATTERN

protected static final String REAL_PATTERN

real number pattern

See Also:

Constant Field Values

Constructor Detail

NumberCell

protected NumberCell(String regExp,
          double max,
          double min)

Creates an instance of the class.

Parameters:

regExp - is a regular expresion to be used for check.

max - is a maximum value.

min - is a minimum value.

Method Detail

createActive

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

This method creates an active cell element (content).

Overrides:

createActive in class TextBaseCell

Returns:

a content element.

createInactive

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

This method creates an inactive cell element (content).

Overrides:

createInactive in class TextBaseCell

Returns:

a content element.

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.

setValue

public void setValue(Object value)

This method sets a cell value.

Specified by:

setValue in interface GridCell

Overrides:

setValue in class TextBaseCell

Parameters:

value - is a cell value.

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

Overrides:

getNewValue in class TextBaseCell

Returns:

is a new value.

convertToNumber

protected abstract Number convertToNumber(String text)

This method converts abstract number to a concrete number implementation.

Parameters:

text - is a textual representation of the number.

Returns:

a concrete number implementation instance.