public void clearContent(EObject element) {
		int columnIndex =  ((Cell) element).getCoordinates().getColumnIndex();
		IEditorPart activeEditor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
		ITreeSelection selection = ((DTableCrossEditor) activeEditor).getTableViewer().getTreeViewer().getStructuredSelection();
		Object lineSelected = selection.getFirstElement();
		if(lineSelected instanceof DLineSpec) {
			 EObject line = ((DLineSpec)lineSelected).getTarget();
			 Row row = (Row) line;
			 row.getCells().get(columnIndex).setValue("");
		}
	}