/**
* Pass in an element, and this will update its parents' check states
*
* @param element the SelectableElement which will have its parents' check state updated
*/
private void setSelectedTypeForParent(SelectableElement element) {
SelectableElement parent = element.getParent();
if (parent != null) {
if (SelectableElement.doAllChildrenHaveSelectedType(parent, SelectedType.UNSELECTED)) {
parent.setSelectedType(SelectedType.UNSELECTED);
} else if (SelectableElement.doAllChildrenHaveSelectedType(parent, SelectedType.SELECTED)) {
parent.setSelectedType(SelectedType.SELECTED);
} else {
parent.setSelectedType(SelectedType.LEAVE);
}
setSelectedTypeForParent(parent);
}
}
/**
* Pass in an element, and this will update its children's check states
*
* @param parent the SelectableElement which will have its children's check state updated
*/
private void setSelectedTypeForChildren(SelectableElement parent) {
for (int i = 0; i < parent.getNumberOfChildren(); i++) {
parent.getChild(i).setSelectedType(parent.getSelectedType());
setSelectedTypeForChildren(parent.getChild(i));
}
}