super.dispose();
classImg.dispose();
packageImg.dispose();
};
});
_classContentProvider = new ClassContentProvider();
classViewer.setContentProvider(_classContentProvider);
classViewer.setSorter(new NameSorter());
classViewer.addSelectionChangedListener(this);
classViewer.getControl().setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true, 2, 1));