/** Moves focus to the first component in the next row. */
protected void moveToNextRow() {
if (Debug.ON) Logger.dev("OFocusManager.moveToNextRow CALLED ");
int nextRank = focusedComponentIndex + 1;
boolean moved = false;
OFocusableComponent gainer = null;
int lastRank = focusableComponents.size() - 1;
if (nextRank <= lastRank) { // there are more components
int currentY = focusedComponent.getY();
boolean keepLooking = true;
for (; keepLooking && nextRank <= lastRank; nextRank++) {
OFocusableComponent nextComponent =
(OFocusableComponent) focusableComponents.elementAt(nextRank);
if (nextComponent.getY() > currentY) { // component is in a later row
gainer = (OFocusableComponent) nextComponent;
focusedComponentIndex = nextRank;
keepLooking = false;
moved = true;
}
}
}
if (moved) {
moveFocus(gainer);
} else // there is no next row
{
OHandset.beep();
}
if (Debug.ON) Logger.dev("OFocusManager.moveToNextRow EXITTING ");
} // moveToNextRow
/** Moves focus to the last component in the previous row. */
protected void moveToPreviousRow() {
if (Debug.ON) Logger.dev("OFocusManager.moveToPreviousRow CALLED ");
int priorRank = focusedComponentIndex - 1;
boolean moved = false;
OFocusableComponent gainer = null;
int firstRank = 0;
if (priorRank >= firstRank) { // there is a previous component
int currentY = focusedComponent.getY();
boolean keepLooking = true;
for (; keepLooking && priorRank >= firstRank; priorRank--) {
OComponent previousComponent = (OComponent) focusableComponents.elementAt(priorRank);
if (previousComponent.getY() < currentY
&& previousComponent instanceof OFocusableComponent) {
gainer = (OFocusableComponent) previousComponent;
focusedComponentIndex = priorRank;
keepLooking = false;
moved = true;
}
}
}
if (moved) {
moveFocus(gainer);
} else // there is no prior row
{
OHandset.beep();
}
if (Debug.ON) Logger.dev("OFocusManager.moveToPreviousRow EXITTING ");
} // moveToPreviousRow