workbench.getDisplay().syncExec(new Runnable() {
	public void run() { 
		try {
			ModelExplorerPageBookView modelExplorerPageBookView = (ModelExplorerPageBookView) PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().showView(EXPLORER_ID);
			ModelExplorerView modelExplorerView = (ModelExplorerView)modelExplorerPageBookView.getActiveView();
		} catch (PartInitException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
});