Examples with IQuickAssistInvocationContext org.eclipse.jface.text.quickassist.IQuickAssistInvocationContext used on opensource projects

Example 1 with IQuickAssistInvocationContext

use of org.eclipse.jface.text.quickassist.IQuickAssistInvocationContext in project xtext-eclipse by eclipse.

the class XtextQuickAssistProcessor method computeQuickAssistProposals.

@Override
public ICompletionProposal[] computeQuickAssistProposals(IQuickAssistInvocationContext invocationContext) {
    ISourceViewer sourceViewer = invocationContext.getSourceViewer();
    if (sourceViewer == null)
        return new ICompletionProposal[0];
    if (invocationContext instanceof QuickAssistInvocationContext) {
        if (((QuickAssistInvocationContext) invocationContext).isCancelled()) {
            return new ICompletionProposal[0];
        }
    }
    final IDocument document = sourceViewer.getDocument();
    if (!(document instanceof IXtextDocument))
        return new ICompletionProposal[0];
    final IXtextDocument xtextDocument = (IXtextDocument) document;
    final IAnnotationModel annotationModel = sourceViewer.getAnnotationModel();
    List<ICompletionProposal> result = Lists.newArrayList();
    try {
        Set<Annotation> applicableAnnotations = getApplicableAnnotations(xtextDocument, annotationModel, invocationContext.getOffset());
        result = createQuickfixes(invocationContext, applicableAnnotations);
        selectAndRevealQuickfix(invocationContext, applicableAnnotations, result);
    } catch (BadLocationException e) {
        errorMessage = e.getMessage();
    } catch (OperationCanceledException e) {
        return new ICompletionProposal[0];
    }
    sortQuickfixes(result);
    return result.toArray(new ICompletionProposal[result.size()]);
}

Example 2 with IQuickAssistInvocationContext

use of org.eclipse.jface.text.quickassist.IQuickAssistInvocationContext in project egit by eclipse.

the class SpellcheckableMessageArea method addProposals.

private void addProposals(final SubMenuManager quickFixMenu) {
    IAnnotationModel sourceModel = sourceViewer.getAnnotationModel();
    if (sourceModel == null) {
        return;
    }
    Iterator annotationIterator = sourceModel.getAnnotationIterator();
    while (annotationIterator.hasNext()) {
        Annotation annotation = (Annotation) annotationIterator.next();
        boolean isDeleted = annotation.isMarkedDeleted();
        boolean isIncluded = !isDeleted && includes(sourceModel.getPosition(annotation), getTextWidget().getCaretOffset());
        boolean isFixable = isIncluded && sourceViewer.getQuickAssistAssistant().canFix(annotation);
        if (isFixable) {
            IQuickAssistProcessor processor = sourceViewer.getQuickAssistAssistant().getQuickAssistProcessor();
            IQuickAssistInvocationContext context = sourceViewer.getQuickAssistInvocationContext();
            ICompletionProposal[] proposals = processor.computeQuickAssistProposals(context);
            for (ICompletionProposal proposal : proposals) {
                quickFixMenu.add(createQuickFixAction(proposal));
            }
        }
    }
}

Example 3 with IQuickAssistInvocationContext

use of org.eclipse.jface.text.quickassist.IQuickAssistInvocationContext in project xtext-eclipse by eclipse.

the class XtextQuickAssistProcessor method selectAndRevealQuickfix.

/**
 * @since 2.3
 */
protected void selectAndRevealQuickfix(IQuickAssistInvocationContext invocationContext, Set<Annotation> applicableAnnotations, List<ICompletionProposal> completionProposals) {
    if (completionProposals.isEmpty()) {
        return;
    }
    if (!(invocationContext instanceof QuickAssistInvocationContext && ((QuickAssistInvocationContext) invocationContext).isSuppressSelection())) {
        ISourceViewer sourceViewer = invocationContext.getSourceViewer();
        IAnnotationModel annotationModel = sourceViewer.getAnnotationModel();
        Iterator<Annotation> iterator = applicableAnnotations.iterator();
        while (iterator.hasNext()) {
            Position pos = annotationModel.getPosition(iterator.next());
            if (pos != null) {
                sourceViewer.setSelectedRange(pos.getOffset(), pos.getLength());
                sourceViewer.revealRange(pos.getOffset(), pos.getLength());
                break;
            }
        }
    }
}