Handling Application start when previous opened project was deleted. Project Selection dialogue?

[JamesTKhan]

When opening the application it attempts to load the previously loaded project in Editor.kt create()

// open last edited project or create default project
var context: ProjectContext? = projectManager.loadLastProject()
if (context == null) {
    context = createDefaultProject()
}

if(context == null) {
    throw GdxRuntimeException("Couldn't open a project")
}

However if the previously opened project was deleted (or the .pro was corrupted) then the fallback is to create a default project only if the registry is empty or last project is null

private fun createDefaultProject(): ProjectContext? {
    if (registry.lastOpenedProject == null || registry.projects.size == 0) {
        val name = "Default Project"
        var path = FileUtils.getUserDirectoryPath()
        path = FilenameUtils.concat(path, "MundusProjects")

        return projectManager.createProject(name, path)
    }

    return null
}

If the fallback occurs and the registry is not empty, a GdxRuntimeException is thrown. The solution may be to have a separate "Project Select" dialog in this situation to choose a project to open or create a new one. It would also be nice to have this dialogue for first time launching the application as well, instead of creating a default project.