public void moveUp() {
if (iPrimary != null) {
iPrimary.moveUp();
} else {
if (iPrev == null) {
clearAll();
} else {
iPrev.moveUp();
swapWith(iPrev);
}
}
}
public void remove() {
if (iPrimary != null) {
iPrimary.remove();
} else {
if (iNext != null && isAllowFreeTime() == iNext.isAllowFreeTime()) {
replaceWith(iNext);
iNext.remove();
} else {
replaceWith(null);
}
}
}
public void moveDown() {
if (iPrimary != null) {
iPrimary.moveDown();
} else {
if (iNext == null) {
clearAll();
} else {
iNext.moveDown();
swapWith(iNext);
}
}
}
public void swapUp() {
if (iPrimary != null) {
iPrimary.swapUp();
} else {
swapWith(iPrev);
}
}
public void swapDown() {
if (iPrimary != null) {
iPrimary.swapDown();
} else {
swapWith(iNext);
}
}
private void clearAllAlternatives() {
if (iPrimary != null) {
setHint("");
}
setValue(null);
if (iAlternative != null) iAlternative.clearAllAlternatives();
}
private void swapWith(CourseSelectionBox other) {
hideSuggestionList();
other.hideSuggestionList();
String x = getError();
setError(other.getError());
other.setError(x);
boolean b = isEnabled();
setEnabled(other.isEnabled());
other.setEnabled(b);
if (iPrimary != null) {
x = getHint();
setHint(other.getHint());
other.setHint(x);
}
x = getValue();
setValue(other.getValue(), false);
other.setValue(x, false);
if (iAlternative != null) iAlternative.swapWith(other.iAlternative);
if (iWaitList != null && other.iWaitList != null) {
Boolean ch = iWaitList.getValue();
iWaitList.setValue(other.iWaitList.getValue());
other.iWaitList.setValue(ch);
}
}
private void replaceWith(CourseSelectionBox other) {
hideSuggestionList();
if (other != null) other.hideSuggestionList();
setError(other == null ? null : other.getError());
setEnabled(
other == null ? iPrimary == null || !iPrimary.getValue().isEmpty() : other.isEnabled());
if (iPrimary != null) setHint(other == null ? "" : other.getHint());
setValue(other == null ? null : other.getValue(), false);
if (iAlternative != null) iAlternative.replaceWith(other == null ? null : other.iAlternative);
if (iWaitList != null) {
iWaitList.setValue(
other == null || other.iWaitList == null ? false : other.iWaitList.getValue());
}
}
private void clearAll() {
if (iPrimary != null) iPrimary.clearAll();
else clearAllAlternatives();
}