Examples with NoSuchStrategyException org.eclipse.xtext.ui.refactoring.IRenameStrategy.Provider.NoSuchStrategyException used on opensource projects

Example 1 with NoSuchStrategyException

use of org.eclipse.xtext.ui.refactoring.IRenameStrategy.Provider.NoSuchStrategyException in project xtext-eclipse by eclipse.

the class DefaultLinkedPositionGroupCalculator method getLinkedPositionGroup.

@Override
public Provider<LinkedPositionGroup> getLinkedPositionGroup(IRenameElementContext renameElementContext, IProgressMonitor monitor) {
    final SubMonitor progress = SubMonitor.convert(monitor, 100);
    final XtextEditor editor = (XtextEditor) renameElementContext.getTriggeringEditor();
    IProject project = projectUtil.getProject(renameElementContext.getContextResourceURI());
    if (project == null)
        throw new IllegalStateException("Could not determine project for context resource " + renameElementContext.getContextResourceURI());
    RefactoringResourceSetProvider resourceSetProvider = new CachingResourceSetProvider(DefaultLinkedPositionGroupCalculator.this.resourceSetProvider);
    ResourceSet resourceSet = resourceSetProvider.get(project);
    EObject targetElement = resourceSet.getEObject(renameElementContext.getTargetElementURI(), true);
    if (targetElement == null)
        throw new IllegalStateException("Target element could not be loaded");
    if (monitor.isCanceled()) {
        throw new OperationCanceledException();
    }
    IRenameStrategy.Provider strategyProvider = globalServiceProvider.findService(targetElement, IRenameStrategy.Provider.class);
    IRenameStrategy renameStrategy = null;
    try {
        renameStrategy = strategyProvider.get(targetElement, renameElementContext);
    } catch (NoSuchStrategyException exc) {
    // handle in next line
    }
    if (renameStrategy == null)
        throw new IllegalArgumentException("Cannot find a rename strategy for " + notNull(renameElementContext.getTargetElementURI()));
    String newName = renameStrategy.getOriginalName();
    IResourceServiceProvider resourceServiceProvider = resourceServiceProviderRegistry.getResourceServiceProvider(renameElementContext.getTargetElementURI());
    IDependentElementsCalculator dependentElementsCalculator = resourceServiceProvider.get(IDependentElementsCalculator.class);
    Iterable<URI> dependentElementURIs = dependentElementsCalculator.getDependentElementURIs(targetElement, progress.newChild(10));
    if (monitor.isCanceled()) {
        throw new OperationCanceledException();
    }
    LocalResourceRefactoringUpdateAcceptor updateAcceptor = updateAcceptorProvider.get();
    updateAcceptor.setLocalResourceURI(renameElementContext.getContextResourceURI());
    renameStrategy.createDeclarationUpdates(newName, resourceSet, updateAcceptor);
    if (monitor.isCanceled()) {
        throw new OperationCanceledException();
    }
    Map<URI, URI> original2newEObjectURI = renamedElementTracker.renameAndTrack(concat(Collections.singleton(renameElementContext.getTargetElementURI()), dependentElementURIs), newName, resourceSet, renameStrategy, progress.newChild(10));
    if (monitor.isCanceled()) {
        throw new OperationCanceledException();
    }
    ElementRenameArguments elementRenameArguments = new ElementRenameArguments(renameElementContext.getTargetElementURI(), newName, renameStrategy, original2newEObjectURI, resourceSetProvider);
    final List<IReferenceDescription> referenceDescriptions = newArrayList();
    IReferenceFinder.Acceptor referenceAcceptor = new IReferenceFinder.Acceptor() {

        @Override
        public void accept(IReferenceDescription referenceDescription) {
            referenceDescriptions.add(referenceDescription);
        }

        @Override
        public void accept(EObject source, URI sourceURI, EReference eReference, int index, EObject targetOrProxy, URI targetURI) {
            referenceDescriptions.add(new DefaultReferenceDescription(EcoreUtil2.getFragmentPathURI(source), targetURI, eReference, index, null));
        }
    };
    if (monitor.isCanceled()) {
        throw new OperationCanceledException();
    }
    referenceFinder.findReferences(targetURIConverter.fromIterable(elementRenameArguments.getRenamedElementURIs()), resourceSet.getResource(renameElementContext.getContextResourceURI(), true), referenceAcceptor, progress.newChild(10));
    if (monitor.isCanceled()) {
        throw new OperationCanceledException();
    }
    referenceUpdater.createReferenceUpdates(elementRenameArguments, referenceDescriptions, updateAcceptor, progress.newChild(60));
    final List<ReplaceEdit> textEdits = updateAcceptor.getTextEdits();
    if (monitor.isCanceled()) {
        throw new OperationCanceledException();
    }
    final IRenameStrategy renameStrategy2 = renameStrategy;
    return new Provider<LinkedPositionGroup>() {

        @Override
        public LinkedPositionGroup get() {
            LinkedPositionGroup linkedGroup = createLinkedGroupFromReplaceEdits(textEdits, editor, renameStrategy2.getOriginalName(), progress.newChild(10));
            return linkedGroup;
        }
    };
}

Example 2 with NoSuchStrategyException

use of org.eclipse.xtext.ui.refactoring.IRenameStrategy.Provider.NoSuchStrategyException in project xtext-eclipse by eclipse.

the class DefaultRenameElementHandler method isRefactoringEnabled.

protected boolean isRefactoringEnabled(IRenameElementContext renameElementContext, XtextResource resource) {
    ResourceSet resourceSet = resource.getResourceSet();
    if (renameElementContext != null && resourceSet != null) {
        EObject targetElement = resourceSet.getEObject(renameElementContext.getTargetElementURI(), true);
        if (targetElement != null && !targetElement.eIsProxy()) {
            if (targetElement.eResource() == resource && renameElementContext.getTriggeringEditorSelection() instanceof ITextSelection) {
                ITextSelection textSelection = (ITextSelection) renameElementContext.getTriggeringEditorSelection();
                ITextRegion selectedRegion = new TextRegion(textSelection.getOffset(), textSelection.getLength());
                INode crossReferenceNode = eObjectAtOffsetHelper.getCrossReferenceNode(resource, selectedRegion);
                if (crossReferenceNode == null) {
                    // selection is on the declaration. make sure it's the name
                    ITextRegion significantRegion = locationInFileProvider.getSignificantTextRegion(targetElement);
                    if (!significantRegion.contains(selectedRegion))
                        return false;
                }
            }
            IRenameStrategy.Provider renameStrategyProvider = globalServiceProvider.findService(targetElement, IRenameStrategy.Provider.class);
            try {
                if (renameStrategyProvider.get(targetElement, renameElementContext) != null) {
                    return true;
                } else {
                    IRenameStrategy2 strategy2 = globalServiceProvider.findService(targetElement, IRenameStrategy2.class);
                    ISimpleNameProvider simpleNameProvider = globalServiceProvider.findService(targetElement, ISimpleNameProvider.class);
                    return strategy2 != null && simpleNameProvider.canRename(targetElement);
                }
            } catch (NoSuchStrategyException e) {
                MessageDialog.openInformation(Display.getCurrent().getActiveShell(), "Cannot rename element", e.getMessage());
            }
        }
    }
    return false;
}