assistant.setContentAssistProcessor(processor, ATGPartitions.IGNORE_SEGMENT);
processor = new ATGCompletionProcessor(fEditor.getATGModelProvider(), new ProductionsSegmentProposalProvider());
assistant.setContentAssistProcessor(processor, ATGPartitions.PRODUCTIONS_SEGMENT);
processor = new ATGCompletionProcessor(fEditor.getATGModelProvider(), new DefaultProposalProvider());
assistant.setContentAssistProcessor(processor, ATGPartitions.DEFAULT);
processor = new ATGCompletionProcessor(fEditor.getATGModelProvider(), new IgnoreCaseSegmentProposalProvider());
processor = new JavaCompletionProcessor(fEditor.getATGModelProvider(), fEditor);
assistant.enableAutoActivation(true);