fi.hut.tml.xsmiles.mlfc.smil.viewer.havi
Class HaviFocusManager

java.lang.Object
  fi.hut.tml.xsmiles.mlfc.smil.viewer.havi.HaviFocusManager

public class HaviFocusManager

extends java.lang.Object

Simple focus manager for Havi

Field Summary

protected java.util.Vector

linkFocusList

Constructor Summary

HaviFocusManager()

Method Summary

void	addFocusable(HNavigable link) Add a link component to a focus list.
protected int	calculateMidX(java.awt.Component comp)
protected int	calculateMidY(java.awt.Component comp)
void	createFocusGrid() Creates the focus grid, for all keys, up, down, left, right.
void	removeFocusable(HNavigable link) Remove a link component from a focus list.
protected HNavigable	searchDown(HNavigable origo) Searches down for the closest focus traversal.
protected HNavigable	searchLeft(HNavigable origo) Searches left for the closest focus traversal.
protected HNavigable	searchRight(HNavigable origo) Searches right for the closest focus traversal.
protected HNavigable	searchUp(HNavigable origo) Searches up for the closest focus traversal.

Methods inherited from class java.lang.Object

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

Field Detail

linkFocusList

protected java.util.Vector linkFocusList

Constructor Detail

HaviFocusManager

public HaviFocusManager()

Method Detail

addFocusable

public void addFocusable(HNavigable link)

Add a link component to a focus list.

Parameters:

link - Link component, HNavigable

removeFocusable

public void removeFocusable(HNavigable link)

Remove a link component from a focus list. Causes the whole focus path to be recalculated.

Parameters:

link - Link component, HNavigable

searchUp

protected HNavigable searchUp(HNavigable origo)

Searches up for the closest focus traversal.

Returns:

HNavigable at the direction. (or null if not found)

searchDown

protected HNavigable searchDown(HNavigable origo)

Searches down for the closest focus traversal.

Returns:

HNavigable at the direction. (or null if not found)

searchLeft

protected HNavigable searchLeft(HNavigable origo)

Searches left for the closest focus traversal.

Returns:

HNavigable at the direction. (or null if not found)

searchRight

protected HNavigable searchRight(HNavigable origo)

Searches right for the closest focus traversal.

Returns:

HNavigable at the direction. (or null if not found)

calculateMidX

protected int calculateMidX(java.awt.Component comp)

calculateMidY

protected int calculateMidY(java.awt.Component comp)

createFocusGrid

public void createFocusGrid()

Creates the focus grid, for all keys, up, down, left, right.