private boolean listContainsEquation(
ArrayList<Element> list, ArrayList<Element> equationElement) {
ArrayList<Element> listClone = list.clone();
for (Element element : equationElement) {
if (listClone.contains(element)) listClone.remove(element);
else return false;
}
return true;
}
public ArrayList<Element> trimElements(ArrayList<Element> list) {
ArrayList<Element> listOld = list.clone();
for (ArrayList<Element> equationElement : this.equations.getKeys()) {
if (!listContainsEquation(list, equationElement)) continue;
list = removeEquationFromList(list, equationElement);
list = addEquationToList(list, this.equations.getValue(equationElement));
list = sortList(list);
printTrim(equationElement, listOld, list);
list = trimElements(list);
break;
}
return list;
}
public boolean isPerfectPosition(ArrayList<Element> list) {
for (ArrayList<Element> pPosition : this.perfectPositions) {
if (pPosition.size() != list.size()) continue;
ArrayList<Element> listTemp = list.clone();
boolean notFound = false;
for (Element element : pPosition)
if (listTemp.contains(element)) listTemp.remove(element);
else notFound = true;
if (notFound) continue;
if (!listTemp.isEmpty()) continue;
return true;
}
return false;
}