/**
* Set the value of the parent pack of the given pack to SELECTED, PARTIAL_SELECT, or DESELECTED.
* Value of the pack is dependent of its children values.
*
* @param childPack
*/
private void updateParent(Pack childPack) {
String parentName = childPack.getParent();
Pack parentPack = nameToPack.get(parentName);
int parentPosition = nameToRow.get(parentName);
int childrenSelected = 0;
for (String childName : parentPack.getChildren()) {
int childPosition = nameToRow.get(childName);
if (isChecked(childPosition)) {
childrenSelected += 1;
}
}
if (parentPack.getChildren().size() == childrenSelected) {
if (checkValues[parentPosition] < 0) {
checkValues[parentPosition] = REQUIRED_SELECTED;
} else {
checkValues[parentPosition] = SELECTED;
}
} else if (childrenSelected > 0) {
if (checkValues[parentPosition] < 0) {
checkValues[parentPosition] = REQUIRED_PARTIAL_SELECTED;
} else {
checkValues[parentPosition] = PARTIAL_SELECTED;
}
} else {
if (checkValues[parentPosition] < 0) {
checkValues[parentPosition] = REQUIRED_DESELECTED;
} else {
checkValues[parentPosition] = DESELECTED;
}
}
}
/**
* Ensure that parent packs know which packs are their children. Ensure that packs who have
* dependants know which packs depend on them
*
* @param packs packs visible to the user
* @param nameToPack mapping from pack names to pack objects
* @return packs
*/
private List<Pack> setPackProperties(List<Pack> packs, Map<String, Pack> nameToPack) {
Pack parent;
for (Pack pack : packs) {
if (pack.hasParent()) {
String parentName = pack.getParent();
parent = nameToPack.get(parentName);
parent.addChild(pack.getName());
}
if (pack.hasDependencies()) {
for (String name : pack.getDependencies()) {
parent = nameToPack.get(name);
parent.addDependant(pack.getName());
}
}
}
return packs;
}