/**
* Calculate what the selection path should be once the specified node has been removed from the
* tree.
*/
private TreePath calculatePostRemoveSelectionPath(PreferencesNode node) {
PreferencesNode parentNode = (PreferencesNode) node.getParent();
int childCount = parentNode.getChildCount();
if (childCount == 1) {
// the only child is to be removed - select the parent
return new TreePath(parentNode.getPath());
}
int nodeIndex = parentNode.getIndex(node);
if (nodeIndex == childCount - 1) {
// the last child in the list is to be removed - select the previous child
return new TreePath(((PreferencesNode) parentNode.getChildAt(nodeIndex - 1)).getPath());
}
// by default, select the next child
return new TreePath(((PreferencesNode) parentNode.getChildAt(nodeIndex + 1)).getPath());
}
