A small menubar app that allows you to switch between R versions quickly (if you have multiple versions of R framework installed).
https://rud.is/rswitch
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106 lines
3.4 KiB
106 lines
3.4 KiB
//
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// VersionsUtils.swift
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// RSwitch
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//
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// Created by hrbrmstr on 8/30/19.
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// Copyright © 2019 Bob Rudis. All rights reserved.
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//
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import Foundation
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import Cocoa
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extension AppDelegate {
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// Show the framework dir in a new Finder window
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@objc func openFrameworksDir(_ sender: NSMenuItem?) {
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NSWorkspace.shared.openFile(app_dirs.macos_r_framework, withApplication: "Finder")
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}
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func populateRVersionsMenu(menu : NSMenu) {
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let fm = FileManager.default
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var targetPath:String? = nil
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do {
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// gets a directory listing
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let entries = try fm.contentsOfDirectory(atPath: app_dirs.macos_r_framework)
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// retrieves all versions (excludes hidden files and the Current alias
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let versions = entries.sorted().filter { !($0.hasPrefix(".")) && !($0 == "Current") }
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let hasCurrent = entries.filter { $0 == "Current" }
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// if there was a Current alias (prbly shld alert if not)
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if (hasCurrent.count > 0) {
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// get where Current points to
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let furl = NSURL(fileURLWithPath: app_dirs.macos_r_framework + "/" + "Current")
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if (furl.fileReferenceURL() != nil) {
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do {
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let fdat = try NSURL(resolvingAliasFileAt: furl as URL, options: [])
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targetPath = fdat.lastPathComponent!
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} catch {
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targetPath = furl.path
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}
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}
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// populate menu items with all installed R versions, ensuring we
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// put a checkbox next to the one that is Current
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var i = 1
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for version in versions {
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let keynum = (i < 10) ? String(i) : ""
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let item = NSMenuItem(title: version, action: #selector(handleRSwitch), keyEquivalent: keynum)
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item.isEnabled = true
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if (version == targetPath) { item.state = NSControl.StateValue.on }
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item.representedObject = version
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menu.addItem(item)
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i = i + 1
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}
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}
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} catch {
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AppAlerts.quitAlert("Failed to list contents of R framework directory. You either do not have R installed or have incorrect permissions set on " + app_dirs.macos_r_framework)
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}
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}
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func populateRunningApps(menu : NSMenu) {
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// gather running RStudio instances
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let running_rstudios = NSWorkspace.shared.runningApplications.filter {
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$0.bundleIdentifier == bundleIds.rstudio
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}
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// gather running R GUI instances
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let running_rapps = NSWorkspace.shared.runningApplications.filter {
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$0.bundleIdentifier == bundleIds.r_base
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}
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// if we have any running instances of anything
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if ((running_rstudios.count) + (running_rapps.count) > 0) {
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menu.addItem(NSMenuItem.separator())
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let switchToDropdown = NSMenuItem(title: "Switch to", action: nil, keyEquivalent: "")
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let switchToSub = NSMenu()
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menu.addItem(switchToDropdown)
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menu.setSubmenu(switchToSub, for: switchToDropdown)
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// populate RStudio first (it'll be in launch order) then R GUI
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for app in running_rstudios + running_rapps {
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let args = getArgs(app.processIdentifier)!
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let title = app.localizedName! + (args.count > 1 ? " : " + (args[1] as! NSString).lastPathComponent.replacingOccurrences(of: ".Rproj", with: "") : "")
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let mi = NSMenuItem(title: title, action: #selector(switch_to), keyEquivalent: "")
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mi.representedObject = app
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switchToSub.addItem(mi)
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}
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}
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}
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}
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