Java Code Examples for org.eclipse.jdt.ui.text.java.IProblemLocation#getOffset()

public static void getAmbiguosTypeReferenceProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) throws CoreException {
	final ICompilationUnit cu= context.getCompilationUnit();
	int offset= problem.getOffset();
	int len= problem.getLength();

	IJavaElement[] elements= cu.codeSelect(offset, len);
	for (int i= 0; i < elements.length; i++) {
		IJavaElement curr= elements[i];
		if (curr instanceof IType && !TypeFilter.isFiltered((IType) curr)) {
			String qualifiedTypeName= ((IType) curr).getFullyQualifiedName('.');

			CompilationUnit root= context.getASTRoot();

			String label= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_importexplicit_description, BasicElementLabels.getJavaElementName(qualifiedTypeName));
			Image image= JavaPluginImages.get(JavaPluginImages.IMG_OBJS_IMPDECL);
			ASTRewriteCorrectionProposal proposal= new ASTRewriteCorrectionProposal(label, cu, ASTRewrite.create(root.getAST()), IProposalRelevance.IMPORT_EXPLICIT, image);

			ImportRewrite imports= proposal.createImportRewrite(root);
			imports.addImport(qualifiedTypeName);

			proposals.add(proposal);
		}
	}
}
 

private static boolean hasProblem(IProblem[] problems, IProblemLocation location) {
	for (int i= 0; i < problems.length; i++) {
		IProblem problem= problems[i];
		if (problem.getID() == location.getProblemId() && problem.getSourceStart() == location.getOffset())
			return true;
	}
	return false;
}
 

private static IMarkerResolution[] internalGetResolutions(IMarker marker) {
	if (!internalHasResolutions(marker)) {
		return NO_RESOLUTIONS;
	}

	ICompilationUnit cu= getCompilationUnit(marker);
	if (cu != null) {
		IEditorInput input= EditorUtility.getEditorInput(cu);
		if (input != null) {
			IProblemLocation location= findProblemLocation(input, marker);
			if (location != null) {

				IInvocationContext context= new AssistContext(cu,  location.getOffset(), location.getLength());
				if (!hasProblem (context.getASTRoot().getProblems(), location))
					return NO_RESOLUTIONS;

				ArrayList<IJavaCompletionProposal> proposals= new ArrayList<IJavaCompletionProposal>();
				JavaCorrectionProcessor.collectCorrections(context, new IProblemLocation[] { location }, proposals);
				Collections.sort(proposals, new CompletionProposalComparator());

				int nProposals= proposals.size();
				IMarkerResolution[] resolutions= new IMarkerResolution[nProposals];
				for (int i= 0; i < nProposals; i++) {
					resolutions[i]= new CorrectionMarkerResolution(context.getCompilationUnit(), location.getOffset(), location.getLength(), proposals.get(i), marker);
				}
				return resolutions;
			}
		}
	}
	return NO_RESOLUTIONS;
}
 

private static boolean hasProblem(IProblem[] problems, IProblemLocation location) {
	for (int i= 0; i < problems.length; i++) {
		IProblem problem= problems[i];
		if (problem.getID() == location.getProblemId() && problem.getSourceStart() == location.getOffset())
			return true;
	}
	return false;
}
 

private static boolean contains(ArrayList<IProblemLocation> problems, IProblemLocation problem) {
	for (int i= 0; i < problems.size(); i++) {
		IProblemLocation existing= problems.get(i);
		if (existing.getProblemId() == problem.getProblemId() && existing.getOffset() == problem.getOffset() && existing.getLength() == problem.getLength()) {
			return true;
		}
	}

	return false;
}
 

public IJavaCompletionProposal[] getCorrections(IInvocationContext invocationContext, IProblemLocation[] locations) throws CoreException {

		final int threshold= PreferenceConstants.getPreferenceStore().getInt(PreferenceConstants.SPELLING_PROPOSAL_THRESHOLD);

		int size= 0;
		List<RankedWordProposal> proposals= null;
		String[] arguments= null;

		IProblemLocation location= null;
		RankedWordProposal proposal= null;
		IJavaCompletionProposal[] result= null;

		boolean fixed= false;
		boolean match= false;
		boolean sentence= false;

		final ISpellCheckEngine engine= SpellCheckEngine.getInstance();
		final ISpellChecker checker= engine.getSpellChecker();

		if (checker != null) {

			for (int index= 0; index < locations.length; index++) {
				location= locations[index];
				
				ISourceViewer sourceViewer= null;
				if (invocationContext instanceof IQuickAssistInvocationContext)
					sourceViewer= ((IQuickAssistInvocationContext)invocationContext).getSourceViewer();
				IQuickAssistInvocationContext context= new TextInvocationContext(sourceViewer, location.getOffset(), location.getLength());
				
				if (location.getProblemId() == JavaSpellingReconcileStrategy.SPELLING_PROBLEM_ID) {

					arguments= location.getProblemArguments();
					if (arguments != null && arguments.length > 4) {

						sentence= Boolean.valueOf(arguments[3]).booleanValue();
						match= Boolean.valueOf(arguments[4]).booleanValue();
						fixed= arguments[0].charAt(0) == IHtmlTagConstants.HTML_TAG_PREFIX || arguments[0].charAt(0) == IJavaDocTagConstants.JAVADOC_TAG_PREFIX;

						if ((sentence && match) && !fixed)
							result= new IJavaCompletionProposal[] { new ChangeCaseProposal(arguments, location.getOffset(), location.getLength(), context, engine.getLocale())};
						else {

							proposals= new ArrayList<RankedWordProposal>(checker.getProposals(arguments[0], sentence));
							size= proposals.size();

							if (threshold > 0 && size > threshold) {

								Collections.sort(proposals);
								proposals= proposals.subList(size - threshold - 1, size - 1);
								size= proposals.size();
							}

							boolean extendable= !fixed ? (checker.acceptsWords() || AddWordProposal.canAskToConfigure()) : false;
							result= new IJavaCompletionProposal[size + (extendable ? 3 : 2)];

							for (index= 0; index < size; index++) {

								proposal= proposals.get(index);
								result[index]= new WordCorrectionProposal(proposal.getText(), arguments, location.getOffset(), location.getLength(), context, proposal.getRank());
							}

							if (extendable)
								result[index++]= new AddWordProposal(arguments[0], context);

							result[index++]= new WordIgnoreProposal(arguments[0], context);
							result[index++]= new DisableSpellCheckingProposal(context);
						}
						break;
					}
				}
			}
		}
		return result;
	}
 

public static void addSuperfluousSemicolonProposal(IInvocationContext context, IProblemLocation problem,  Collection<ICommandAccess> proposals) {
	String label= CorrectionMessages.LocalCorrectionsSubProcessor_removesemicolon_description;
	ReplaceCorrectionProposal proposal= new ReplaceCorrectionProposal(label, context.getCompilationUnit(), problem.getOffset(), problem.getLength(), "", IProposalRelevance.REMOVE_SEMICOLON); //$NON-NLS-1$
	proposals.add(proposal);
}