Package com.thecoderscorner.menu.domain

Class MenuItem<T>

java.lang.Object

com.thecoderscorner.menu.domain.MenuItem<T>

Type Parameters:

T - the type of the current value

Direct Known Subclasses:

ActionMenuItem, AnalogMenuItem, BooleanMenuItem, EnumMenuItem, FloatMenuItem, RemoteMenuItem, SubMenuItem, TextMenuItem

public abstract class MenuItem<T>
extends Object

The base class for all menu items, has the most basic operations available on it that are needed by pretty much all menu items.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	eepromAddress
protected String	functionName
protected int	id
protected String	name
protected boolean	readOnly

Constructor Summary

Constructors

Constructor	Description
MenuItem(String name, int id, int eepromAddress, String functionName, boolean readOnly)

Method Summary

Modifier and Type	Method	Description
abstract void	accept(MenuItemVisitor visitor)
int	getEepromAddress()	gets the eeprom storage address for this item.
String	getFunctionName()	Gets the function name for this item
int	getId()	gets the ID for the menu item
String	getName()	gets the name of the menu item
boolean	hasChildren()	has children indicates if this item can contain child items
boolean	isReadOnly()	gets the read only status of this menu item
abstract MenuState<T>	newMenuState(T value, boolean changed, boolean active)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

name

protected final String name

id

protected final int id

eepromAddress

protected final int eepromAddress

functionName

protected final String functionName

readOnly

protected final boolean readOnly

Constructor Detail

MenuItem

public MenuItem(String name,
                int id,
                int eepromAddress,
                String functionName,
                boolean readOnly)

Method Detail

getName

public String getName()

gets the name of the menu item

Returns:

menu item name

isReadOnly

public boolean isReadOnly()

gets the read only status of this menu item

Returns:

true if read only

getId

public int getId()

gets the ID for the menu item

Returns:

item ID

getEepromAddress

public int getEepromAddress()

gets the eeprom storage address for this item. -1 indicates no storage.

Returns:

eeprom address

getFunctionName

public String getFunctionName()

Gets the function name for this item

Returns:

the function name

hasChildren

public boolean hasChildren()

has children indicates if this item can contain child items

Returns:

true, if the item can contain child items

newMenuState

public abstract MenuState<T> newMenuState(T value,
                                          boolean changed,
                                          boolean active)

accept

public abstract void accept(MenuItemVisitor visitor)

toString

public String toString()

Overrides:

toString in class Object