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| Re: rename refactoring in the presence of nested elements [message #697688 is a reply to message #697164] |
Sun, 17 July 2011 18:22   |
 Sebastian Zarnekow
Messages: 3118
Registered: July 2009 |
Senior Member |
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Hi Henrik,
please dig into
org.eclipse.xtext.ui.refactoring.impl.DefaultDependentElementsCalculator
and the interface that it implements.
Hope that helps,
Sebastian
--
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On 15.07.11 19:10, Henrik Rentz-Reichert wrote:
> Hi all,
>
> in the eTrice project I'm currently introducing rename refactoring.
> In this case the xmi resources of the diagrams need to be updated too.
> Fortunately most of the job is done by your generic implementations for emf resources.
> Below you can find some snippets that show what I did.
>
>
> A problem now arises with nested elements, e.g. a hierarchical state machine like
>
> RoomModel rename {
> ActorClass A {
> Structure { }
> Behavior {
> StateMachine {
> State top {
> subgraph {
> State nested
> }
> }
> }
> }
> }
> }
>
> The point is that I use a fragment provider which uses a path, e.g.
> ../rename.room#BaseState:A$top$nested
>
> When I rename the "top" state then the directly related fragment is changed correctly.
> But the fragment for the "nested" state which is affected too also has to be updated.
>
> So far I only use standard implementations like IResourceUIServiceProvider, EmfResourceReferenceUpdater etc.
>
> Can you give me a hint where I have to hook in to handle also the indirectly affected nested elements?
>
> Thanks,
> Henrik
>
>
> ------------ snippets ---------------
>
> <extension
> point="org.eclipse.emf.ecore.extension_parser">
> <parser
> class="org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl"
> type="behavior">
> </parser>
> </extension>
> <extension point="org.eclipse.xtext.extension_resourceServiceProvider">
> <resourceServiceProvider
>
> class="org.eclipse.etrice.core.ui.rename.ReferringDiagramExecutableExtensionFactory:org.eclipse.xtext.ui.resource.IResourceUIServiceProvider"
> uriExtension="behavior">
> </resourceServiceProvider>
> </extension>
>
> ------------------------
>
> public class ReferringDiagramExecutableExtensionFactory extends
> AbstractGuiceAwareExecutableExtensionFactory {
>
> @Override
> protected Bundle getBundle() {
> return RoomActivator.getInstance().getBundle();
> }
>
> @Override
> protected Injector getInjector() {
> return createInjector(override(
> override(new ReferringDiagramResourceModule()).with(new org.eclipse.xtext.ui.shared.SharedStateModule()))
> .with(new EmfUiModule(RoomActivator.getInstance())));
> }
>
> }
>
> ------------------------
>
> public class ReferringDiagramResourceModule extends
> AbstractGenericResourceRuntimeModule {
>
> /* (non-Javadoc)
> * @see org.eclipse.xtext.resource.generic.AbstractGenericResourceRuntimeModule#getLanguageName()
> */
> @Override
> protected String getLanguageName() {
> return "org.eclipse.etrice.diagrams";
> }
>
> /* (non-Javadoc)
> * @see org.eclipse.xtext.resource.generic.AbstractGenericResourceRuntimeModule#getFileExtensions()
> */
> @Override
> protected String getFileExtensions() {
> return "structure,behavior";
> }
>
> }
>
> ------------------------
>
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