protected void clearExpandedAndCollapsed() { _collapsedTreeNodes.removeAllObjects(); _expandedTreeNodes.removeAllObjects(); expandRootIfNecessary(); }
public void setRootTreeNode(Object rootTreeNode) { if (rootTreeNode != _rootTreeNode) { _rootTreeNode = rootTreeNode; _expandedTreeNodes.removeAllObjects(); _collapsedTreeNodes.removeAllObjects(); expandRootIfNecessary(); } }