Package org.luwrain.controls

Class ListUtils.DefaultTransition

java.lang.Object

org.luwrain.controls.ListUtils.DefaultTransition

All Implemented Interfaces:

ListArea.Transition

Direct Known Subclasses:

ListUtils.DoubleLevelTransition

Enclosing class:

ListUtils

public static class ListUtils.DefaultTransition
extends Object
implements ListArea.Transition

Nested Class Summary

Nested classes/interfaces inherited from interface org.luwrain.controls.ListArea.Transition

ListArea.Transition.State, ListArea.Transition.Type

Field Summary

Fields

Modifier and Type	Field	Description
protected static final int	PAGE_SIZE

Constructor Summary

Constructors

Constructor	Description
DefaultTransition()

Method Summary

Modifier and Type	Method	Description
ListArea.Transition.State	transition(ListArea.Transition.Type type, ListArea.Transition.State fromState, int itemCount, boolean hasEmptyLineTop, boolean hasEmptyLineBottom)	Computes the new state after a navigation action.

Methods inherited from class java.lang.Object

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

Field Details

PAGE_SIZE

protected static final int PAGE_SIZE

See Also:

• Constant Field Values

Constructor Details

DefaultTransition

public DefaultTransition()

Method Details

transition

public ListArea.Transition.State transition(ListArea.Transition.Type type,
 ListArea.Transition.State fromState,
 int itemCount,
 boolean hasEmptyLineTop,
 boolean hasEmptyLineBottom)

Description copied from interface: ListArea.Transition

Computes the new state after a navigation action.

Specified by:

transition in interface ListArea.Transition

Parameters:

type - the type of navigation action

fromState - the current state of the hot point

itemCount - the total number of items in the model

hasEmptyLineTop - whether the list has a top empty line

hasEmptyLineBottom - whether the list has a bottom empty line

Returns:

the new state after the transition; never null