echopoint
Class NumberTextField

java.lang.Object
  nextapp.echo.app.Component
      nextapp.echo.app.text.TextComponent
          nextapp.echo.app.TextField
              echopoint.internal.TextField
                  echopoint.RegexTextField
                      echopoint.NumberTextField

All Implemented Interfaces:

Serializable, RenderIdSupport

public class NumberTextField
extends RegexTextField

A simple extension of RegexTextField that allows only numeric characters and one period (.) to be entered. The precision (number of fractional digits may be controlled using the setPrecision(int) method.

The following shows sample use of this component:

  import nextapp.echo.app.TextField;
  import echopoint.NumberTextField;

    ...
    final TextField tf = new NumberTextField( 2 );
    grid.add( tf );
 

Version:

$Id: NumberTextField.java 258 2009-12-07 16:18:24Z sptrakesh $

Author:

Rakesh 2009-03-07

See Also:

Serialized Form

Field Summary

static String

PROPERTY_PRECISION

Fields inherited from class echopoint.RegexTextField

PROPERTY_REGEX

Fields inherited from class echopoint.internal.TextField

PROPERTY_DEFAULT_TEXT

Fields inherited from class nextapp.echo.app.text.TextComponent

ACTION_LISTENERS_CHANGED_PROPERTY, DOCUMENT_CHANGED_PROPERTY, INPUT_ACTION, PROPERTY_ACTION_COMMAND, PROPERTY_ALIGNMENT, PROPERTY_BACKGROUND_IMAGE, PROPERTY_BORDER, PROPERTY_DISABLED_BACKGROUND, PROPERTY_DISABLED_BACKGROUND_IMAGE, PROPERTY_DISABLED_BORDER, PROPERTY_DISABLED_FONT, PROPERTY_DISABLED_FOREGROUND, PROPERTY_EDITABLE, PROPERTY_HEIGHT, PROPERTY_HORIZONTAL_SCROLL, PROPERTY_INSETS, PROPERTY_MAXIMUM_LENGTH, PROPERTY_TOOL_TIP_TEXT, PROPERTY_VERTICAL_SCROLL, PROPERTY_WIDTH, TEXT_CHANGED_PROPERTY

Fields inherited from class nextapp.echo.app.Component

CHILD_VISIBLE_CHANGED_PROPERTY, CHILDREN_CHANGED_PROPERTY, ENABLED_CHANGED_PROPERTY, FOCUS_NEXT_ID_CHANGED_PROPERTY, FOCUS_PREVIOUS_ID_CHANGED_PROPERTY, LAYOUT_DIRECTION_CHANGED_PROPERTY, LOCALE_CHANGED_PROPERTY, PROPERTY_BACKGROUND, PROPERTY_FONT, PROPERTY_FOREGROUND, PROPERTY_LAYOUT_DATA, STYLE_CHANGED_PROPERTY, STYLE_NAME_CHANGED_PROPERTY, VISIBLE_CHANGED_PROPERTY

Constructor Summary

NumberTextField()
Default constructor.

NumberTextField(int precision)
Create a new instance with the specified precision value.

Method Summary

int	getPrecision() Return the value of the PROPERTY_PRECISION property.
void	setPrecision(int precision) Set the value of the PROPERTY_PRECISION property.
void	setRegex(String regex) Over-ridden to do nothing.

Methods inherited from class echopoint.RegexTextField

getRegex

Methods inherited from class echopoint.internal.TextField

getDefaultText, setDefaultText

Methods inherited from class nextapp.echo.app.text.TextComponent

addActionListener, getActionCommand, getAlignment, getBackgroundImage, getBorder, getDisabledBackground, getDisabledBackgroundImage, getDisabledBorder, getDisabledFont, getDisabledForeground, getDocument, getHeight, getHorizontalScroll, getInsets, getMaximumLength, getText, getToolTipText, getVerticalScroll, getWidth, hasActionListeners, isEditable, isValidChild, processInput, removeActionListener, setActionCommand, setAlignment, setBackgroundImage, setBorder, setDisabledBackground, setDisabledBackgroundImage, setDisabledBorder, setDisabledFont, setDisabledForeground, setDocument, setEditable, setHeight, setHorizontalScroll, setInsets, setMaximumLength, setText, setToolTipText, setVerticalScroll, setWidth

Methods inherited from class nextapp.echo.app.Component

add, add, addPropertyChangeListener, addPropertyChangeListener, dispose, firePropertyChange, get, getApplicationInstance, getBackground, getComponent, getComponent, getComponentCount, getComponents, getEventListenerList, getFocusNextId, getFocusPreviousId, getFont, getForeground, getId, getIndex, getLayoutData, getLayoutDirection, getLocale, getLocalStyle, getParent, getRenderId, getRenderIndexedProperty, getRenderIndexedProperty, getRenderLocale, getRenderProperty, getRenderProperty, getStyle, getStyleName, getVisibleComponent, getVisibleComponentCount, getVisibleComponents, hasEventListenerList, indexOf, init, isAncestorOf, isEnabled, isFocusTraversalParticipant, isRegistered, isRenderEnabled, isRenderVisible, isValidParent, isVisible, remove, remove, removeAll, removePropertyChangeListener, removePropertyChangeListener, set, setBackground, setComponents, setEnabled, setFocusNextId, setFocusPreviousId, setFocusTraversalParticipant, setFont, setForeground, setId, setIndex, setLayoutData, setLayoutDirection, setLocale, setRenderId, setStyle, setStyleName, setVisible, validate, verifyInput, visibleIndexOf

Methods inherited from class java.lang.Object

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

Field Detail

PROPERTY_PRECISION

public static final String PROPERTY_PRECISION

See Also:

Constant Field Values

Constructor Detail

NumberTextField

public NumberTextField()

Default constructor. No actions required.

NumberTextField

public NumberTextField(int precision)

Create a new instance with the specified precision value.

Parameters:

precision - The maximum number of fractional digits allowed.

Method Detail

getPrecision

public int getPrecision()

Return the value of the PROPERTY_PRECISION property. This indicates the number of fractional digits allowed in the number.

Returns:

The precision or -1 if not set.

setPrecision

public void setPrecision(int precision)

Set the value of the PROPERTY_PRECISION property.

Parameters:

precision - The maximum number of fractional digits.

setRegex

public void setRegex(String regex)

Over-ridden to do nothing. This component does not allow custom regular expressions.

Overrides:

setRegex in class RegexTextField

Parameters:

regex - The regular expression to use.