Examples with IRenameStrategy2 org.eclipse.xtext.ide.refactoring.IRenameStrategy2 used on opensource projects

Example 1 with IRenameStrategy2

use of org.eclipse.xtext.ide.refactoring.IRenameStrategy2 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;
}

Example 2 with IRenameStrategy2

use of org.eclipse.xtext.ide.refactoring.IRenameStrategy2 in project xtext-eclipse by eclipse.

the class DefaultLinkedPositionGroupCalculator2 method getLinkedPositionGroup.

@Override
public Provider<LinkedPositionGroup> getLinkedPositionGroup(final IRenameElementContext renameElementContext, final IProgressMonitor monitor) {
    final SubMonitor progress = SubMonitor.convert(monitor, 100);
    IEditorPart _triggeringEditor = renameElementContext.getTriggeringEditor();
    final XtextEditor editor = ((XtextEditor) _triggeringEditor);
    final IProject project = this.projectUtil.getProject(renameElementContext.getContextResourceURI());
    if ((project == null)) {
        StringConcatenation _builder = new StringConcatenation();
        _builder.append("Could not determine project for context resource ");
        URI _contextResourceURI = renameElementContext.getContextResourceURI();
        _builder.append(_contextResourceURI);
        String _string = _builder.toString();
        throw new IllegalStateException(_string);
    }
    final CachingResourceSetProvider resourceSetProvider = new CachingResourceSetProvider(this.resourceSetProvider);
    final ResourceSet resourceSet = resourceSetProvider.get(project);
    final EObject targetElement = resourceSet.getEObject(renameElementContext.getTargetElementURI(), true);
    if ((targetElement == null)) {
        throw new IllegalStateException("Target element could not be loaded");
    }
    boolean _isCanceled = monitor.isCanceled();
    if (_isCanceled) {
        throw new OperationCanceledException();
    }
    IRenameStrategy2 renameStrategy = this.globalServiceProvider.<IRenameStrategy2>findService(targetElement, IRenameStrategy2.class);
    if ((renameStrategy == null)) {
        StringConcatenation _builder_1 = new StringConcatenation();
        _builder_1.append("Cannot find a rename strategy for ");
        URI _targetElementURI = renameElementContext.getTargetElementURI();
        _builder_1.append(_targetElementURI);
        throw new IllegalArgumentException(_builder_1.toString());
    }
    final String oldName = this.simpleNameProvider.getSimpleName(targetElement);
    final String newName = this.getNewDummyName(oldName);
    final IResourceServiceProvider resourceServiceProvider = this.resourceServiceProviderRegistry.getResourceServiceProvider(renameElementContext.getTargetElementURI());
    final LtkIssueAcceptor issues = resourceServiceProvider.<LtkIssueAcceptor>get(LtkIssueAcceptor.class);
    final IChangeSerializer changeSerializer = resourceServiceProvider.<IChangeSerializer>get(IChangeSerializer.class);
    changeSerializer.setUpdateRelatedFiles(false);
    URI _targetElementURI_1 = renameElementContext.getTargetElementURI();
    final RenameChange change = new RenameChange(newName, _targetElementURI_1);
    final RenameContext renameContext = new RenameContext(Collections.<RenameChange>unmodifiableList(CollectionLiterals.<RenameChange>newArrayList(change)), resourceSet, changeSerializer, issues);
    renameStrategy.applyRename(renameContext);
    final ArrayList<ReplaceEdit> replaceEdits = CollectionLiterals.<ReplaceEdit>newArrayList();
    final IAcceptor<IEmfResourceChange> _function = (IEmfResourceChange c) -> {
        if ((c instanceof ITextDocumentChange)) {
            final Function1<ITextReplacement, ReplaceEdit> _function_1 = (ITextReplacement replacement) -> {
                int _offset = replacement.getOffset();
                int _length = replacement.getLength();
                String _replacementText = replacement.getReplacementText();
                return new ReplaceEdit(_offset, _length, _replacementText);
            };
            List<ReplaceEdit> _map = ListExtensions.<ITextReplacement, ReplaceEdit>map(((ITextDocumentChange) c).getReplacements(), _function_1);
            Iterables.<ReplaceEdit>addAll(replaceEdits, _map);
        }
    };
    changeSerializer.applyModifications(_function);
    boolean _isCanceled_1 = monitor.isCanceled();
    if (_isCanceled_1) {
        throw new OperationCanceledException();
    }
    final Provider<LinkedPositionGroup> _function_1 = () -> {
        return this.createLinkedGroupFromReplaceEdits(replaceEdits, editor, oldName, progress.newChild(10));
    };
    return _function_1;
}