org.formaria.util
Class IndexedArrayList<E>

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractList<E>
          java.util.ArrayList<E>
              org.formaria.util.IndexedArrayList<E>

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<E>, java.util.Collection<E>, java.util.List<E>, java.util.RandomAccess

public class IndexedArrayList<E>
extends java.util.ArrayList<E>

An extension of ArrayList that supports an 'index' value. A shared index can be used by this class. For licensing information see license.txt

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

IndexedArrayList()
Constructs an empty list with an initial capacity of ten.

IndexedArrayList(java.util.Collection<? extends E> c)
Constructs a list containing the elements of the specified collection, in the order they are returned by the collection's iterator.

IndexedArrayList(IndexedArrayList<E> list)
Constructs an empty list with an initial capacity of ten and using the same index as referenced list

IndexedArrayList(int initialCapacity)
Constructs an empty list with the specified initial capacity.

Method Summary

void	first() Go to the first index position
E	getCurrentItem() Get the 'current' item in the list
int	getIndex() Get the index of the currently 'selected' object in the list
void	last() Go to the last index position
void	next() Go to the next index
void	prev() Go to the previous index
void	setIndex(int idx) Set the index of the currently 'selected' object in the list

Methods inherited from class java.util.ArrayList

add, add, addAll, addAll, clear, clone, contains, ensureCapacity, get, indexOf, isEmpty, lastIndexOf, remove, remove, removeRange, set, size, toArray, toArray, trimToSize

Methods inherited from class java.util.AbstractList

equals, hashCode, iterator, listIterator, listIterator, subList

Methods inherited from class java.util.AbstractCollection

containsAll, removeAll, retainAll, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

containsAll, equals, hashCode, iterator, listIterator, listIterator, removeAll, retainAll, subList

Constructor Detail

IndexedArrayList

public IndexedArrayList()

Constructs an empty list with an initial capacity of ten.

IndexedArrayList

public IndexedArrayList(int initialCapacity)

Constructs an empty list with the specified initial capacity.

Parameters:

initialCapacity - the initial capacity of the list

Throws:

java.lang.IllegalArgumentException - if the specified initial capacity is negative

IndexedArrayList

public IndexedArrayList(IndexedArrayList<E> list)

Constructs an empty list with an initial capacity of ten and using the same index as referenced list

IndexedArrayList

public IndexedArrayList(java.util.Collection<? extends E> c)

Constructs a list containing the elements of the specified collection, in the order they are returned by the collection's iterator.

Parameters:

c - the collection whose elements are to be placed into this list

Throws:

java.lang.NullPointerException - if the specified collection is null

Method Detail

getIndex

public int getIndex()

Get the index of the currently 'selected' object in the list

Returns:

setIndex

public void setIndex(int idx)

Set the index of the currently 'selected' object in the list

Parameters:

idx - the new selection index

first

public void first()

Go to the first index position

last

public void last()

Go to the last index position

next

public void next()

Go to the next index

prev

public void prev()

Go to the previous index

getCurrentItem

public E getCurrentItem()

Get the 'current' item in the list

Returns:

the current item