134 lines
3.4 KiB
Swift
134 lines
3.4 KiB
Swift
//
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// InspectorWindowController.swift
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// Evergreen
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//
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// Created by Brent Simmons on 1/20/18.
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// Copyright © 2018 Ranchero Software. All rights reserved.
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//
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import AppKit
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protocol Inspector: class {
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var objects: [Any]? { get set }
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var isFallbackInspector: Bool { get } // Can handle nothing-to-inspect or unexpected type of objects.
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func canInspect(_ objects: [Any]) -> Bool
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}
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typealias InspectorViewController = Inspector & NSViewController
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final class InspectorWindowController: NSWindowController {
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class var shouldOpenAtStartup: Bool {
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return UserDefaults.standard.bool(forKey: DefaultsKey.windowIsOpen)
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}
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var objects: [Any]? {
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didSet {
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let _ = window
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currentInspector = inspector(for: objects)
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}
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}
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var isOpen: Bool {
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get {
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return isWindowLoaded && window!.isVisible
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}
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}
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private var inspectors: [InspectorViewController]!
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private var currentInspector: InspectorViewController! {
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didSet {
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currentInspector.objects = objects
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for inspector in inspectors {
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if inspector !== currentInspector {
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inspector.objects = nil
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}
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}
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show(currentInspector)
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}
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}
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private struct DefaultsKey {
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static let windowIsOpen = "FloatingInspectorIsOpen"
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static let windowOrigin = "FloatingInspectorOrigin"
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}
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override func windowDidLoad() {
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let nothingInspector = window?.contentViewController as! InspectorViewController
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let storyboard = NSStoryboard(name: NSStoryboard.Name(rawValue: "Inspector"), bundle: nil)
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let feedInspector = inspector("Feed", storyboard)
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let folderInspector = inspector("Folder", storyboard)
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let builtinSmartFeedInspector = inspector("BuiltinSmartFeed", storyboard)
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inspectors = [feedInspector, folderInspector, builtinSmartFeedInspector, nothingInspector]
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currentInspector = nothingInspector
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if let savedOrigin = originFromDefaults() {
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window?.setFlippedOriginAdjustingForScreen(savedOrigin)
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}
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else {
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window?.flippedOrigin = NSPoint(x: 256, y: 256)
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}
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}
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func inspector(for objects: [Any]?) -> InspectorViewController {
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var fallbackInspector: InspectorViewController? = nil
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for inspector in inspectors {
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if inspector.isFallbackInspector {
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fallbackInspector = inspector
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}
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else if let objects = objects, inspector.canInspect(objects) {
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return inspector
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}
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}
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return fallbackInspector!
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}
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func saveState() {
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UserDefaults.standard.set(isOpen, forKey: DefaultsKey.windowIsOpen)
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if isOpen, let window = window, let flippedOrigin = window.flippedOrigin {
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UserDefaults.standard.set(NSStringFromPoint(flippedOrigin), forKey: DefaultsKey.windowOrigin)
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}
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}
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}
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private extension InspectorWindowController {
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func inspector(_ identifier: String, _ storyboard: NSStoryboard) -> InspectorViewController {
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return storyboard.instantiateController(withIdentifier: NSStoryboard.SceneIdentifier(rawValue: identifier)) as! InspectorViewController
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}
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func show(_ inspector: InspectorViewController) {
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guard let window = window, inspector !== window.contentViewController else {
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return
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}
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let flippedOrigin = window.flippedOrigin
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window.contentViewController = inspector
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if let flippedOrigin = flippedOrigin {
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window.setFlippedOriginAdjustingForScreen(flippedOrigin)
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}
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}
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func originFromDefaults() -> NSPoint? {
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guard let originString = UserDefaults.standard.string(forKey: DefaultsKey.windowOrigin) else {
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return nil
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}
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let point = NSPointFromString(originString)
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return point == NSPoint.zero ? nil : point
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}
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}
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