Bug 192630 [FieldAssist] auto activation of proposal popup should be canceled on keystroke
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java
}
		/*
		 * Accept the current proposal.
		 */
		private void acceptCurrentProposal() {
			
			
			
			
			
			IContentProposal proposal = getSelectedProposal();
			close();
			proposalAccepted(proposal);
		}
		/*
		 * Request the proposals from the proposal provider, and recompute any
		 * caches. Repopulate the popup if it is open.
		 */
		private void recomputeProposals(String filterText) {
			IContentProposal[] allProposals = getProposals();
			
			
			
			if (allProposals.length == 0) {
				proposals = allProposals;
				close();
			} else {
				
				setProposals(filterProposals(allProposals, filterText));
			}