org.eclipse.xtext.ide.refactoring.IRenameStrategy2 Java Examples

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;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

@Override
public Provider<LinkedPositionGroup> getLinkedPositionGroup(IRenameElementContext renameElementContext, IProgressMonitor monitor) {
	SubMonitor progress = SubMonitor.convert(monitor, 100);
	XtextEditor editor = (XtextEditor) renameElementContext.getTriggeringEditor();
	IProject project = projectUtil.getProject(renameElementContext.getContextResourceURI());
	if (project == null) {
		throw new IllegalStateException(
				"Could not determine the project for context resource " + renameElementContext.getContextResourceURI());
	}

	CachingResourceSetProvider cachingResourceSetProvider = new CachingResourceSetProvider(resourceSetProvider);
	ResourceSet resourceSet = cachingResourceSetProvider.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();
	}

	IRenameStrategy2 renameStrategy = globalServiceProvider.findService(targetElement, IRenameStrategy2.class);
	if (renameStrategy == null) {
		throw new IllegalArgumentException("Cannot find a rename strategy for " + renameElementContext.getTargetElementURI());
	}

	String oldName = simpleNameProvider.getSimpleName(targetElement);
	String newName = getNewDummyName(oldName);
	IResourceServiceProvider resourceServiceProvider = resourceServiceProviderRegistry
			.getResourceServiceProvider(renameElementContext.getTargetElementURI());
	LtkIssueAcceptor issues = resourceServiceProvider.get(LtkIssueAcceptor.class);
	IChangeSerializer changeSerializer = resourceServiceProvider.get(IChangeSerializer.class);
	changeSerializer.setUpdateRelatedFiles(false);
	RenameChange change = new RenameChange(newName, renameElementContext.getTargetElementURI());
	RenameContext renameContext = new RenameContext(Lists.newArrayList(change), resourceSet, changeSerializer, issues);
	renameStrategy.applyRename(renameContext);

	List<ReplaceEdit> replaceEdits = new ArrayList<>();
	changeSerializer.applyModifications(c -> {
		if (c instanceof ITextDocumentChange) {
			ITextDocumentChange textDocumentChange = (ITextDocumentChange) c;
			textDocumentChange.getReplacements().forEach(replacement -> {
				replaceEdits.add(new ReplaceEdit(replacement.getOffset(), replacement.getLength(), replacement.getReplacementText()));
			});
		}
	});

	if (monitor.isCanceled()) {
		throw new OperationCanceledException();
	}

	return () -> {
		return createLinkedGroupFromReplaceEdits(replaceEdits, editor, oldName, progress.newChild(10));
	};
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}
 

public Class<? extends IRenameStrategy2> bindIRenameStrategy2() {
	return IRenameStrategy2.DefaultImpl.class;
}