/** 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
/** 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
/**
* Processes a left key press. if the current component is not the first component in the
* container then focus is passed to the component of rank 1 less than the current component
*/
protected void moveToPreviousField() {
if (Debug.ON) Logger.dev("OFocusManager.processLeftKeyPress CALLED ");
if (focusedComponentIndex > 0) {
OFocusableComponent previousComponent =
(OFocusableComponent) focusableComponents.elementAt(--focusedComponentIndex);
moveFocus((OFocusableComponent) previousComponent);
} else // first component, so merely beep
{
OHandset.beep();
}
if (Debug.ON) Logger.dev("OFocusManager.processLeftKeyPress EXITTING ");
} // moveToPreviousField
/**
* Processes a right key press. if the current component is not the last component in the
* container then focus is passed to the component of rank 1 greater than the current component.
*/
protected void moveToNextField() {
if (Debug.ON) Logger.dev("OFocusManager.processRightKeyPRessed CALLED ");
if (focusedComponentIndex
< focusableComponents.size()
- 1) { // not the last component, so find the next focusable component
OFocusableComponent nextComponent =
(OFocusableComponent) focusableComponents.elementAt(++focusedComponentIndex);
moveFocus((OFocusableComponent) nextComponent);
} else { // last focusable component, so merely beep
OHandset.beep();
}
if (Debug.ON) Logger.dev("OFocusManager.processRightKeyPress EXITTING ");
} // moveToNextField
