mainToolC.setEnabled(CMD_TOOLS_CHANGE_COPY, false);
// The menu tree model represents the structure of the qti document.
// All insert/move operations on the model are propagated to the structure
// by the node
menuTreeModel = new QTIEditorTreeModel(qtiPackage);
menuTree = new MenuTree("QTIDocumentTree");
menuTree.setTreeModel(menuTreeModel);
menuTree.setSelectedNodeId(menuTree.getTreeModel().getRootNode().getIdent());
menuTree.addListener(this);// listen to the tree
// remember the qtidoc title when we started this editor, to correctly name