org.wandora.application

Class LocatorHistory

java.lang.Object

org.wandora.application.LocatorHistory

public class LocatorHistory
extends java.lang.Object

LocatorHistory is used to track browse history in Wandora. Whenever user opens a topic, topic's subject identifier is stored into LocatorHistory. Stored subject identifier is later acquired to restore a topic in browse history.

Arrow buttons in Wandora window are used to navigate browse history.

Field Summary

Fields

Modifier and Type	Field and Description
private static int	DEFAULT_MAX_SIZE
private java.util.ArrayList<Tuples.T2<Locator,java.lang.Integer>>	history
private int	index
private int	maxsize
private int	top

Constructor Summary

Constructors

Constructor and Description
LocatorHistory()
LocatorHistory(int max) Creates a new instance of History

Method Summary

Modifier and Type	Method and Description
void	add(Locator o)
void	add(Locator o, int pos)
void	clear()
java.lang.Object[]	getBackPopupStruct(Wandora admin)
java.lang.Object[]	getForwardPopupStruct(Wandora admin)
java.util.Collection<Locator>	getLocators()
Tuples.T2<Locator,java.lang.Integer>	getNext()
Tuples.T2<Locator,java.lang.Integer>	getPrevious()
boolean	isEmpty()
Tuples.T2<Locator,java.lang.Integer>	peekCurrent()
Tuples.T2<Locator,java.lang.Integer>	peekNext()
Tuples.T2<Locator,java.lang.Integer>	peekPrevious()
void	setCurrentViewPosition(int pos)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_MAX_SIZE

private static final int DEFAULT_MAX_SIZE

See Also:

Constant Field Values

history

private java.util.ArrayList<Tuples.T2<Locator,java.lang.Integer>> history

index

private int index

top

private int top

maxsize

private int maxsize

Constructor Detail

LocatorHistory

public LocatorHistory()

LocatorHistory

public LocatorHistory(int max)

Creates a new instance of History

Method Detail

clear

public void clear()

setCurrentViewPosition

public void setCurrentViewPosition(int pos)

add

public void add(Locator o)

add

public void add(Locator o,
                int pos)

getPrevious

public Tuples.T2<Locator,java.lang.Integer> getPrevious()

getNext

public Tuples.T2<Locator,java.lang.Integer> getNext()

peekPrevious

public Tuples.T2<Locator,java.lang.Integer> peekPrevious()

peekNext

public Tuples.T2<Locator,java.lang.Integer> peekNext()

peekCurrent

public Tuples.T2<Locator,java.lang.Integer> peekCurrent()

isEmpty

public boolean isEmpty()

getLocators

public java.util.Collection<Locator> getLocators()

getBackPopupStruct

public java.lang.Object[] getBackPopupStruct(Wandora admin)

getForwardPopupStruct

public java.lang.Object[] getForwardPopupStruct(Wandora admin)