echopoint
Class NumberFormatField

java.lang.Object
  nextapp.echo.Component
      nextapp.echo.text.TextComponent
          nextapp.echo.TextField
              echopoint.TextField
                  echopoint.NumberFormatField

All Implemented Interfaces:

Borderable, MouseCursorable, ReflectionSetter, java.io.Serializable, ToolTipPopUpSupport, nextapp.echo.ToolTipSupport, Validateable

public class NumberFormatField

extends TextField

implements ReflectionSetter

The NumberFormatField class is a Component that can be used as the baisis for allowing a user to enter in a numbers.

The NumberFormatField has a NumberFormat that is used to parse and sets its current value (remember it is derived from TextField).

Remember that at any one time the text value can be an invalid number. You must check the number in you code before accepting it as valid.

Author:

Brad Baker

See Also:

Serialized Form

Nested Class Summary

static class

NumberFormatField.NestedStyleInfo Nested public static StyleInfo class.

Field Summary

static java.lang.String	INVALID_COLOR_CHANGED_PROPERTY
static java.lang.String	LOCALE_CHANGED_PROPERTY Locale Property
static java.lang.String	NUMBER_FORMAT_CHANGED_PROPERTY NumberFormat Property
static java.lang.String	STYLE_INVALID_COLOR Invalid Color Property

Fields inherited from class nextapp.echo.TextField

ACTION_COMMAND_CHANGED_PROPERTY, COLUMN_UNITS_CHANGED_PROPERTY, COLUMNS_CHANGED_PROPERTY, MAXIMUM_LENGTH_CHANGED_PROPERTY, STYLE_MAXIMUM_LENGTH

Fields inherited from class nextapp.echo.text.TextComponent

BORDER_COLOR_CHANGED_PROPERTY, BORDER_DEFAULT, BORDER_INSET, BORDER_NONE, BORDER_SIZE_CHANGED_PROPERTY, BORDER_SOLID, BORDER_STYLE_CHANGED_PROPERTY, CHARACTER_UNITS, DOCUMENT_CHANGED_PROPERTY, EDITABLE_CHANGED_PROPERTY, HORIZONTAL_ALIGNMENT_CHANGED_PROPERTY, PERCENT_UNITS, PIXEL_UNITS, STYLE_BORDER_COLOR, STYLE_BORDER_SIZE, STYLE_BORDER_STYLE, STYLE_COLUMNS, STYLE_HORIZONTAL_ALIGNMENT, STYLE_LINE_WRAP, STYLE_ROWS, TEXT_CHANGED_PROPERTY

Fields inherited from class nextapp.echo.Component

BACKGROUND_CHANGED_PROPERTY, CHILDREN_CHANGED_PROPERTY, ENABLED_CHANGED_PROPERTY, FONT_CHANGED_PROPERTY, FOREGROUND_CHANGED_PROPERTY, IDENTIFIER_CHANGED_PROPERTY, listenerList, MODEL_CHANGED_PROPERTY, STYLE_BACKGROUND, STYLE_FONT, STYLE_FOREGROUND, UPDATE_PROPERTY, VISIBLE_CHANGED_PROPERTY

Fields inherited from interface echopoint.positionable.Borderable

BORDER_DASHED, BORDER_DOTTED, BORDER_DOUBLE, BORDER_GROOVE, BORDER_INSET, BORDER_NONE, BORDER_OUTSET, BORDER_RIDGE, BORDER_SOLID, borderStyleSymbolics, STYLE_BORDER_COLOR, STYLE_BORDER_SIZE, STYLE_BORDER_STYLE, STYLE_BOTTOM_BORDER_COLOR, STYLE_BOTTOM_BORDER_SIZE, STYLE_BOTTOM_BORDER_STYLE, STYLE_LEFT_BORDER_COLOR, STYLE_LEFT_BORDER_SIZE, STYLE_LEFT_BORDER_STYLE, STYLE_RIGHT_BORDER_COLOR, STYLE_RIGHT_BORDER_SIZE, STYLE_RIGHT_BORDER_STYLE, STYLE_TOP_BORDER_COLOR, STYLE_TOP_BORDER_SIZE, STYLE_TOP_BORDER_STYLE

Fields inherited from interface echopoint.positionable.MouseCursorable

borderStyleSymbolics, CURSOR_AUTO, CURSOR_CROSSHAIR, CURSOR_CUSTOM_URI, CURSOR_DEFAULT, CURSOR_E_RESIZE, CURSOR_HELP, CURSOR_MOVE, CURSOR_N_RESIZE, CURSOR_NE_RESIZE, CURSOR_NW_RESIZE, CURSOR_POINTER, CURSOR_S_RESIZE, CURSOR_SE_RESIZE, CURSOR_SW_RESIZE, CURSOR_TEXT, CURSOR_W_RESIZE, CURSOR_WAIT, STYLE_MOUSE_CURSOR, STYLE_MOUSE_CURSOR_URI

Fields inherited from interface nextapp.echo.ToolTipSupport

TOOL_TIP_TEXT_CHANGED_PROPERTY

Constructor Summary

NumberFormatField()
Creates a NumberFormatField

NumberFormatField(int columns)
Creates a NumberFormatField that is columns wide.

NumberFormatField(java.lang.Number number)
Creates a NumberFormatField with number as the initial Date value.

NumberFormatField(java.lang.Number number, int columns)
Creates a NumberFormatField with number as the initial value and a given column size.

NumberFormatField(java.lang.String text)
Creates a NumberFormatField with text as the initial value.

NumberFormatField(java.lang.String text, int columns)
Creates a NumberFormatField with text as the initial value and that is columns wide.

Method Summary

void	applyStyle(nextapp.echo.Style style) Applies the provided style to the component.
nextapp.echo.Color	getInvalidColor() Returns the color used by the NumberFormatField when an invalid Number value is currently entered.
java.util.Locale	getLocale() Returns the Locale used by the NumberFormatField for formatting Numbers
java.lang.Number	getNumber() This method will return a Number object created by parsing the current text in the NumberFormatField with the current NumberFormat.
java.text.NumberFormat	getNumberFormat() Returns the NumberFormat in use.
boolean	isValid() This method returns TRUE if the text of the NumberFormatField can be parsed into a valid Number with the current NumberFormat.
java.lang.Object	set(java.lang.reflect.Field field, java.lang.Object newValue) Called to save the old value of a field, set in a new value and return the old value of a field.
void	setInvalidColor(nextapp.echo.Color newInvalidColor) Sets the color used by the NumberFormatField when an invalid Number value is currently entered.
void	setLocale(java.util.Locale newLocale) Sets the Locale used by the NumberFormatField for formatting Numbers
void	setNumber(java.lang.Number newValue) This will set the text of the NumberFormatField according to the current NumberFormat.
void	setNumberFormat(java.text.NumberFormat newNumberFormat) Sets the NumberFormat to be used by the NumberFormatField for displaying and parsing entered data.

Methods inherited from class echopoint.TextField

getBorderColor, getBorderSize, getBorderStyle, getBottomBorderColor, getBottomBorderSize, getBottomBorderStyle, getLeftBorderColor, getLeftBorderSize, getLeftBorderStyle, getMouseCursor, getMouseCursorURI, getRightBorderColor, getRightBorderSize, getRightBorderStyle, getRuleSet, getToolTipPopUp, getToolTipText, getTopBorderColor, getTopBorderSize, getTopBorderStyle, setBorderColor, setBorderSize, setBorderStyle, setBottomBorderColor, setBottomBorderSize, setBottomBorderStyle, setLeftBorderColor, setLeftBorderSize, setLeftBorderStyle, setMouseCursor, setMouseCursorURI, setRightBorderColor, setRightBorderSize, setRightBorderStyle, setRuleSet, setToolTipText, setTopBorderColor, setTopBorderSize, setTopBorderStyle, validate

Methods inherited from class nextapp.echo.TextField

addActionListener, fireActionEvent, getActionCommand, getColumns, getColumnUnits, getMaximumLength, hasActionListeners, removeActionListener, setActionCommand, setColumns, setColumnUnits, setMaximumLength

Methods inherited from class nextapp.echo.text.TextComponent

getDocument, getHorizontalAlignment, getText, isEditable, setDocument, setEditable, setHorizontalAlignment, setText

Methods inherited from class nextapp.echo.Component

add, add, addHierarchyListener, addPropertyChangeListener, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getComponent, getComponentCount, getComponents, getEchoInstance, getFont, getForeground, getIdentifier, getParent, indexOf, init, isAncestorOf, isEnabled, isRegistered, isShowing, isVisible, remove, remove, removeAll, removeHierarchyListener, removePropertyChangeListener, setBackground, setEnabled, setFont, setForeground, setIdentifier, setVisible, update

Methods inherited from class java.lang.Object

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

Methods inherited from interface echopoint.validation.Validateable

getIdentifier, getText

Field Detail

INVALID_COLOR_CHANGED_PROPERTY

public static final java.lang.String INVALID_COLOR_CHANGED_PROPERTY

See Also:

Constant Field Values

LOCALE_CHANGED_PROPERTY

public static final java.lang.String LOCALE_CHANGED_PROPERTY

Locale Property

See Also:

Constant Field Values

NUMBER_FORMAT_CHANGED_PROPERTY

public static final java.lang.String NUMBER_FORMAT_CHANGED_PROPERTY

NumberFormat Property

See Also:

Constant Field Values

STYLE_INVALID_COLOR

public static final java.lang.String STYLE_INVALID_COLOR

Invalid Color Property

See Also:

Constant Field Values

Constructor Detail

NumberFormatField

public NumberFormatField()

Creates a NumberFormatField

NumberFormatField

public NumberFormatField(int columns)

Creates a NumberFormatField that is columns wide.

NumberFormatField

public NumberFormatField(java.lang.Number number)

Creates a NumberFormatField with number as the initial Date value.

NumberFormatField

public NumberFormatField(java.lang.Number number,
                         int columns)

Creates a NumberFormatField with number as the initial value and a given column size.

NumberFormatField

public NumberFormatField(java.lang.String text)

Creates a NumberFormatField with text as the initial value.

NumberFormatField

public NumberFormatField(java.lang.String text,
                         int columns)

Creates a NumberFormatField with text as the initial value and that is columns wide.

Method Detail

applyStyle

public void applyStyle(nextapp.echo.Style style)

Applies the provided style to the component. The base nextapp.echo.Component style names can be used as well.

Specified by:

applyStyle in interface Borderable

Overrides:

applyStyle in class TextField

See Also:

Borderable.applyStyle(nextapp.echo.Style)

getInvalidColor

public nextapp.echo.Color getInvalidColor()

Returns the color used by the NumberFormatField when an invalid Number value is currently entered.

Returns:

nextapp.echo.Color

getLocale

public java.util.Locale getLocale()

Returns the Locale used by the NumberFormatField for formatting Numbers

Specified by:

getLocale in interface Validateable

Returns:

java.util.Locale

getNumberFormat

public java.text.NumberFormat getNumberFormat()

Returns the NumberFormat in use.

Returns:

java.text.NumberFormat

getNumber

public java.lang.Number getNumber()

This method will return a Number object created by parsing the current text in the NumberFormatField with the current NumberFormat. If this parse is successful then a Number object will be returned, otherwise null will be returned.

setNumber

public void setNumber(java.lang.Number newValue)

This will set the text of the NumberFormatField according to the current NumberFormat.

Parameters:

newValue -

isValid

public boolean isValid()

This method returns TRUE if the text of the NumberFormatField can be parsed into a valid Number with the current NumberFormat.

setInvalidColor

public void setInvalidColor(nextapp.echo.Color newInvalidColor)

Sets the color used by the NumberFormatField when an invalid Number value is currently entered.

Parameters:

newInvalidColor - nextapp.echo.Color

setLocale

public void setLocale(java.util.Locale newLocale)

Sets the Locale used by the NumberFormatField for formatting Numbers

Parameters:

newLocale - java.util.Locale

setNumberFormat

public void setNumberFormat(java.text.NumberFormat newNumberFormat)

Sets the NumberFormat to be used by the NumberFormatField for displaying and parsing entered data.

Parameters:

newNumberFormat - java.text.NumberFormat

set

public java.lang.Object set(java.lang.reflect.Field field,
                            java.lang.Object newValue)
                     throws java.lang.Exception

Description copied from interface: ReflectionSetter

Called to save the old value of a field, set in a new value and return the old value of a field. This interface allows a field set operation to be "delegated" back into the class that has permission to perform the field set.

 public Object set(Field f, Object newValue) throws Exception {
      Object oldValue = f.get(this);
      f.set(this,newValue);
      return oldValue;
 }
 

Specified by:

set in interface ReflectionSetter

Overrides:

set in class TextField

Throws:

java.lang.Exception

See Also:

ReflectionSetter.set(Field, Object)