public void addAndRemoveRoots(Set<SNode> removedRoots, Set<SNode> addedRoots) {
DefaultTreeModel treeModel = (DefaultTreeModel) getTree().getModel();
for (SNode root : removedRoots) {
SNodeTreeNode node = findRootSNodeTreeNode(root);
if (node == null) continue;
MPSTreeNode parent = (MPSTreeNode) node.getParent();
treeModel.removeNodeFromParent(node);
if (parent instanceof SNodeGroupTreeNode && parent.getChildCount() == 0) {
myTreeNode.groupBecameEmpty((SNodeGroupTreeNode) parent);
}
}
myTreeNode.insertRoots(addedRoots);
}
public void updateNodesWithChangedPackages(Set<SNode> nodesWithChangedPackages) {
DefaultTreeModel treeModel = (DefaultTreeModel) getTree().getModel();
for (SNode node : nodesWithChangedPackages) {
SNodeTreeNode treeNode = findRootSNodeTreeNode(node);
if (treeNode == null) continue;
MPSTreeNode parent = (MPSTreeNode) treeNode.getParent();
treeModel.removeNodeFromParent(treeNode);
if (parent.getChildCount() == 0 && parent instanceof SNodeGroupTreeNode) {
myTreeNode.groupBecameEmpty((SNodeGroupTreeNode) parent);
}
}
myTreeNode.insertRoots(nodesWithChangedPackages);
}