public TreeSelectionModel getTreeSelectionModel() {
		return tree.getSelectionModel();
	}
Constructor

@param projectName name of project
@param isActiveProject true if the project is active, and the
data tree may be modified
@param plugin front end plugin; will be null if the panel is used in a dialog
@param filter optional filter that is used to hide programs from view
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/ProjectDataTreePanel.java