public void setProjectData(String projectName, ProjectData projectData) {
		if (this.projectData == projectData) {
			return; // this can happen during setup if listeners get activated
		}

		if (this.projectData != null) {
			this.projectData.removeDomainFolderChangeListener(changeMgr);
		}
		this.projectData = projectData;

		GTreeNode oldRoot = root;
		root = createRootNode(projectName);
		tree.setRootNode(root);
		oldRoot.dispose();

		changeMgr = new ChangeManager(this);
		projectData.addDomainFolderChangeListener(changeMgr);
		isActiveProject = projectData.getRootFolder().isInWritableProject();
		tree.setProjectActive(isActiveProject);
	}
Set the project data for this data tree and populate it with
nodes for the users in the project.
@param projectName name of project
@param projectData data that has the root folder for the project
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/ProjectDataTreePanel.java