Revalidate open files in project when classpath updates. #3159
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Fixes #3155
It now re-validates all open files in a project when the project's classpath is updated. This only happens when autobuild is turned off (I assume that when autobuild is on, projects are automatically rebuilt when the classpath changes and files are re-validated in the process).
I implemented this through
ClasspathUpdateHandler
andDiagnosticsHandler
which is probably not a good idea (e.g. does this code belong inClasspathUpdateHandler
? should we re-validate files throughDocumentLifeCycleHandler
to take advantage of debouncing?). Let me know if I should do anything differently.