Package org.luwrain.controls

Class ListUtils.ArrayModel<E>

java.lang.Object

org.luwrain.controls.ListUtils.ArrayModel<E>

All Implemented Interfaces:

ListArea.Model<E>

Enclosing class:

ListUtils

public static class ListUtils.ArrayModel<E>
extends Object
implements ListArea.Model<E>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ListUtils.ArrayModel.Source<E>

Field Summary

Fields

Modifier and Type	Field	Description
protected final ListUtils.ArrayModel.Source<E>	source

Constructor Summary

Constructors

Constructor	Description
ArrayModel(ListUtils.ArrayModel.Source<E> source)

Method Summary

Modifier and Type	Method	Description
E	getItem(int index)	Returns the item at the given index.
int	getItemCount()	Returns the total number of items in the model.
void	refresh()	Called when the underlying data has changed and the list needs to be refreshed.

Methods inherited from class java.lang.Object

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

Field Details

source

protected final ListUtils.ArrayModel.Source<E> source

Constructor Details

ArrayModel

public ArrayModel(ListUtils.ArrayModel.Source<E> source)

Method Details

getItemCount

public int getItemCount()

Description copied from interface: ListArea.Model

Returns the total number of items in the model.

Specified by:

getItemCount in interface ListArea.Model<E>

Returns:

the item count

getItem

public E getItem(int index)

Description copied from interface: ListArea.Model

Returns the item at the given index.

Specified by:

getItem in interface ListArea.Model<E>

Parameters:

index - the zero-based index of the item

Returns:

the item at that position, or null if the index is out of bounds

refresh

public void refresh()

Description copied from interface: ListArea.Model

Called when the underlying data has changed and the list needs to be refreshed. Implementations should reload or update their data.

Specified by:

refresh in interface ListArea.Model<E>