/**
* Removes all files from <code>deselected</code> that are ancestors
* of <code>file</code or vice versa.
*/
private void removeFromPath(File file) {
// remove all children, file itself is removed here too
for (Iterator<File> i = deselected.iterator(); i.hasNext(); ) {
File f = i.next();
if (FileUtils.isAncestor(file, f)) {
i.remove();
}
}
while (file != null && !roots.contains(file)) {
// mark other children of parent as excluded
File parent = file.getParentFile();
if (ancestorIsExcluded(parent)) {
deselected.remove(parent);
int childCount = directoryTreeModel.getChildCount(parent);
for (int j = 0; j < childCount; j++) {
File sibling = (File) directoryTreeModel.getChild(parent, j);
if (sibling != null && !sibling.equals(file)) {
deselected.add(sibling);
}
}
}
file = parent;
}
}
