Bug 95528 [content assist] additional '(' after proposal insertion
N20050517-0010 - invoke content assist after: System.out.p - type '(' -> auto insertion with an additional '(': System.out.print(false() This is using 'completion inserts' and 'argument guessing'.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/JavaMethodCompletionProposal.java
return METHOD_WITH_ARGUMENTS_TRIGGERS;
		return METHOD_TRIGGERS;
	}
	
	protected final boolean hasParameters() {
		if (!fHasParametersComputed) {
			fHasParametersComputed= true;
			fHasParameters= computeHasParameters();
		}
		return fHasParameters;
	}
	private boolean computeHasParameters() throws IllegalArgumentException {
		return Signature.getParameterCount(fProposal.getSignature()) > 0;
	}
	
	protected int computeCursorPosition() {
		if (hasParameters() && getReplacementString().endsWith(")")) 
			return getReplacementString().length() - 1;
		return super.computeCursorPosition();
	}
	protected ProposalInfo computeProposalInfo() {
		if (fCompilationUnit != null) {
			IJavaProject project= fCompilationUnit.getJavaProject();
			if (project != null)
				return new MethodProposalInfo(project, fProposal);
		}
		return super.computeProposalInfo();
	}
}