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mirror of https://github.com/qvacua/vimr.git synced 2024-12-26 07:13:24 +03:00
vimr/VimR/MainWindow.swift
2017-06-12 19:28:54 +02:00

659 lines
18 KiB
Swift

/**
* Tae Won Ha - http://taewon.de - @hataewon
* See LICENSE
*/
import Cocoa
import RxSwift
import SwiftNeoVim
import PureLayout
class MainWindow: NSObject,
UiComponent,
NeoVimViewDelegate,
NSWindowDelegate,
NSUserInterfaceValidations,
WorkspaceDelegate {
typealias StateType = State
enum Action {
case cd(to: URL)
case setBufferList([NeoVimBuffer])
case setCurrentBuffer(NeoVimBuffer)
case setDirtyStatus(Bool)
case becomeKey
case scroll(to: Marked<Position>)
case setCursor(to: Marked<Position>)
case focus(FocusableView)
case openQuickly
case toggleAllTools(Bool)
case toggleToolButtons(Bool)
case setState(for: Tools, with: WorkspaceTool)
case setToolsState([(Tools, WorkspaceTool)])
case close
}
enum FocusableView {
case neoVimView
case fileBrowser
case preview
}
enum Tools: String {
static let all = Set([Tools.fileBrowser, Tools.openedFilesList, Tools.preview, Tools.htmlPreview])
case fileBrowser = "com.qvacua.vimr.tools.file-browser"
case openedFilesList = "com.qvacua.vimr.tools.opened-files-list"
case preview = "com.qvacua.vimr.tools.preview"
case htmlPreview = "com.qvacua.vimr.tools.html-preview"
}
enum OpenMode {
case `default`
case currentTab
case newTab
case horizontalSplit
case verticalSplit
}
required init(source: Observable<StateType>, emitter: ActionEmitter, state: StateType) {
self.emit = emitter.typedEmit()
self.uuid = state.uuid
self.cliPipePath = state.cliPipePath
self.defaultFont = state.appearance.font
self.linespacing = state.appearance.linespacing
self.usesLigatures = state.appearance.usesLigatures
self.editorPosition = state.preview.editorPosition
self.previewPosition = state.preview.previewPosition
let neoVimViewConfig = NeoVimView.Config(useInteractiveZsh: state.useInteractiveZsh,
cwd: state.cwd,
nvimArgs: state.nvimArgs)
self.neoVimView = NeoVimView(frame: .zero, config: neoVimViewConfig)
self.neoVimView.configureForAutoLayout()
let workspace = Workspace(mainView: self.neoVimView)
self.workspace = workspace
if !state.isToolButtonsVisible {
self.workspace.toggleToolButtons()
}
self.windowController = NSWindowController(windowNibName: "MainWindow")
var tools: [Tools: WorkspaceTool] = [:]
if state.activeTools[.preview] == true {
self.preview = PreviewTool(source: source, emitter: emitter, state: state)
let previewConfig = WorkspaceTool.Config(title: "Markdown",
view: self.preview!,
customMenuItems: self.preview!.menuItems)
self.previewContainer = WorkspaceTool(previewConfig)
self.previewContainer!.dimension = state.tools[.preview]?.dimension ?? 250
tools[.preview] = self.previewContainer
}
if state.activeTools[.htmlPreview] == true {
self.htmlPreview = HtmlPreviewTool(source: source, emitter: emitter, state: state)
let htmlPreviewConfig = WorkspaceTool.Config(title: "HTML",
view: self.htmlPreview!,
customToolbar: self.htmlPreview!.innerCustomToolbar)
self.htmlPreviewContainer = WorkspaceTool(htmlPreviewConfig)
self.htmlPreviewContainer!.dimension = state.tools[.htmlPreview]?.dimension ?? 250
tools[.htmlPreview] = self.htmlPreviewContainer
}
if state.activeTools[.fileBrowser] == true {
self.fileBrowser = FileBrowser(source: source, emitter: emitter, state: state)
let fileBrowserConfig = WorkspaceTool.Config(title: "Files",
view: self.fileBrowser!,
customToolbar: self.fileBrowser!.innerCustomToolbar,
customMenuItems: self.fileBrowser!.menuItems)
self.fileBrowserContainer = WorkspaceTool(fileBrowserConfig)
self.fileBrowserContainer!.dimension = state.tools[.fileBrowser]?.dimension ?? 200
tools[.fileBrowser] = self.fileBrowserContainer
}
if state.activeTools[.openedFilesList] == true {
self.openedFileList = OpenedFileList(source: source, emitter: emitter, state: state)
let openedFileListConfig = WorkspaceTool.Config(title: "Buffers", view: self.openedFileList!)
self.openedFileListContainer = WorkspaceTool(openedFileListConfig)
self.openedFileListContainer!.dimension = state.tools[.openedFilesList]?.dimension ?? 200
tools[.openedFilesList] = self.openedFileListContainer
}
self.tools = tools
state.orderedTools.forEach { toolId in
guard let tool = tools[toolId] else {
return
}
workspace.append(tool: tool, location: state.tools[toolId]?.location ?? .left)
}
super.init()
self.tools.forEach { (toolId, toolContainer) in
if state.tools[toolId]?.open == true {
toolContainer.toggle()
}
}
if !state.isAllToolsVisible {
self.workspace.toggleAllTools()
}
self.workspace.delegate = self
Observable
.of(self.scrollDebouncer.observable, self.cursorDebouncer.observable)
.merge()
.subscribe(onNext: { [unowned self] action in
self.emit(self.uuidAction(for: action))
})
.disposed(by: self.disposeBag)
self.addViews()
self.windowController.window?.delegate = self
source
.observeOn(MainScheduler.instance)
.subscribe(
onNext: { state in
if self.isClosing {
return
}
if state.viewToBeFocused != nil, case .neoVimView = state.viewToBeFocused! {
self.window.makeFirstResponder(self.neoVimView)
}
self.windowController.setDocumentEdited(state.isDirty)
if let cwd = state.cwdToSet {
self.neoVimView.cwd = cwd
}
if state.previewTool.isReverseSearchAutomatically
&& state.preview.previewPosition.hasDifferentMark(as: self.previewPosition)
&& !state.preview.ignoreNextReverse {
self.neoVimView.cursorGo(to: state.preview.previewPosition.payload)
} else if state.preview.forceNextReverse {
self.neoVimView.cursorGo(to: state.preview.previewPosition.payload)
}
self.previewPosition = state.preview.previewPosition
self.open(urls: state.urlsToOpen)
if let currentBuffer = state.currentBufferToSet {
self.neoVimView.select(buffer: currentBuffer)
}
if self.defaultFont != state.appearance.font
|| self.linespacing != state.appearance.linespacing
|| self.usesLigatures != state.appearance.usesLigatures {
self.defaultFont = state.appearance.font
self.linespacing = state.appearance.linespacing
self.usesLigatures = state.appearance.usesLigatures
self.updateNeoVimAppearance()
}
})
.disposed(by: self.disposeBag)
self.updateNeoVimAppearance()
self.neoVimView.delegate = self
self.open(urls: state.urlsToOpen)
self.window.makeFirstResponder(self.neoVimView)
}
func show() {
self.windowController.showWindow(self)
}
// The following should only be used when Cmd-Q'ing
func quitNeoVimWithoutSaving() {
self.isClosing = true
self.neoVimView.quitNeoVimWithoutSaving()
}
fileprivate let emit: (UuidAction<Action>) -> Void
fileprivate let disposeBag = DisposeBag()
fileprivate let uuid: String
fileprivate var currentBuffer: NeoVimBuffer?
fileprivate let windowController: NSWindowController
fileprivate var window: NSWindow {
return self.windowController.window!
}
fileprivate var defaultFont: NSFont
fileprivate var linespacing: CGFloat
fileprivate var usesLigatures: Bool
fileprivate let fontManager = NSFontManager.shared()
fileprivate let workspace: Workspace
fileprivate let neoVimView: NeoVimView
fileprivate var previewContainer: WorkspaceTool?
fileprivate var fileBrowserContainer: WorkspaceTool?
fileprivate var openedFileListContainer: WorkspaceTool?
fileprivate var htmlPreviewContainer: WorkspaceTool?
fileprivate var editorPosition: Marked<Position>
fileprivate var previewPosition: Marked<Position>
fileprivate var preview: PreviewTool?
fileprivate var htmlPreview: HtmlPreviewTool?
fileprivate var fileBrowser: FileBrowser?
fileprivate var openedFileList: OpenedFileList?
fileprivate let tools: [Tools: WorkspaceTool]
fileprivate let scrollDebouncer = Debouncer<Action>(interval: 0.75)
fileprivate let cursorDebouncer = Debouncer<Action>(interval: 0.75)
fileprivate var isClosing = false
fileprivate let cliPipePath: String?
fileprivate func updateNeoVimAppearance() {
self.neoVimView.font = self.defaultFont
self.neoVimView.linespacing = self.linespacing
self.neoVimView.usesLigatures = self.usesLigatures
}
fileprivate func uuidAction(for action: Action) -> UuidAction<Action> {
return UuidAction(uuid: self.uuid, action: action)
}
fileprivate func open(urls: [URL: OpenMode]) {
// If we don't call the following in the next tick, only half of the existing swap file warning is displayed.
// Dunno why...
DispatchQueue.main.async {
urls.forEach { (url: URL, openMode: OpenMode) in
switch openMode {
case .default:
self.neoVimView.open(urls: [url])
case .currentTab:
self.neoVimView.openInCurrentTab(url: url)
case .newTab:
self.neoVimView.openInNewTab(urls: [url])
case .horizontalSplit:
self.neoVimView.openInHorizontalSplit(urls: [url])
case .verticalSplit:
self.neoVimView.openInVerticalSplit(urls: [url])
}
}
}
}
fileprivate func addViews() {
let contentView = self.window.contentView!
contentView.addSubview(self.workspace)
self.workspace.autoPinEdgesToSuperviewEdges()
}
}
// MARK: - NeoVimViewDelegate
extension MainWindow {
func neoVimStopped() {
if let cliPipePath = self.cliPipePath {
let fd = Darwin.open(cliPipePath, O_WRONLY)
let handle = FileHandle(fileDescriptor: fd)
handle.closeFile()
Darwin.close(fd)
}
self.isClosing = true
self.windowController.close()
self.emit(self.uuidAction(for: .close))
}
func set(title: String) {
self.window.title = title
}
func set(dirtyStatus: Bool) {
self.emit(self.uuidAction(for: .setDirtyStatus(dirtyStatus)))
}
func cwdChanged() {
self.emit(self.uuidAction(for: .cd(to: self.neoVimView.cwd)))
}
func bufferListChanged() {
let buffers = self.neoVimView.allBuffers()
self.emit(self.uuidAction(for: .setBufferList(buffers)))
}
func currentBufferChanged(_ currentBuffer: NeoVimBuffer) {
self.emit(self.uuidAction(for: .setCurrentBuffer(currentBuffer)))
self.currentBuffer = currentBuffer
self.window.representedURL = self.currentBuffer?.url
}
func tabChanged() {
guard let currentBuffer = self.neoVimView.currentBuffer() else {
return
}
self.currentBufferChanged(currentBuffer)
}
func ipcBecameInvalid(reason: String) {
let alert = NSAlert()
alert.addButton(withTitle: "Close")
alert.messageText = "Sorry, an error occurred."
alert.informativeText = "VimR encountered an error from which it cannot recover. This window will now close.\n"
+ reason
alert.alertStyle = .critical
alert.beginSheetModal(for: self.window) { response in
self.windowController.close()
}
}
func scroll() {
self.scrollDebouncer.call(.scroll(to: Marked(self.neoVimView.currentPosition)))
}
func cursor(to position: Position) {
if position == self.editorPosition.payload {
return
}
self.editorPosition = Marked(position)
self.cursorDebouncer.call(.setCursor(to: self.editorPosition))
}
}
// MARK: - NSWindowDelegate
extension MainWindow {
func windowDidBecomeKey(_: Notification) {
self.emit(self.uuidAction(for: .becomeKey))
}
func windowShouldClose(_: Any) -> Bool {
guard self.neoVimView.isCurrentBufferDirty() else {
self.neoVimView.closeCurrentTab()
return false
}
let alert = NSAlert()
alert.addButton(withTitle: "Cancel")
alert.addButton(withTitle: "Discard and Close")
alert.messageText = "The current buffer has unsaved changes!"
alert.alertStyle = .warning
alert.beginSheetModal(for: self.window, completionHandler: { response in
if response == NSAlertSecondButtonReturn {
self.neoVimView.closeCurrentTabWithoutSaving()
}
})
return false
}
}
// MARK: - File Menu Item Actions
extension MainWindow {
@IBAction func newTab(_ sender: Any?) {
self.neoVimView.newTab()
}
@IBAction func openDocument(_ sender: Any?) {
let panel = NSOpenPanel()
panel.canChooseDirectories = true
panel.allowsMultipleSelection = true
panel.beginSheetModal(for: self.window) { result in
guard result == NSFileHandlingPanelOKButton else {
return
}
let urls = panel.urls
if self.neoVimView.allBuffers().count == 1 {
let isTransient = self.neoVimView.allBuffers().first?.isTransient ?? false
if isTransient {
self.neoVimView.cwd = FileUtils.commonParent(of: urls)
}
}
self.neoVimView.open(urls: urls)
}
}
@IBAction func openQuickly(_ sender: Any?) {
self.emit(self.uuidAction(for: .openQuickly))
}
@IBAction func saveDocument(_ sender: Any?) {
guard let curBuf = self.neoVimView.currentBuffer() else {
return
}
if curBuf.url == nil {
self.savePanelSheet { self.neoVimView.saveCurrentTab(url: $0) }
return
}
self.neoVimView.saveCurrentTab()
}
@IBAction func saveDocumentAs(_ sender: Any?) {
if self.neoVimView.currentBuffer() == nil {
return
}
self.savePanelSheet { url in
self.neoVimView.saveCurrentTab(url: url)
if self.neoVimView.isCurrentBufferDirty() {
self.neoVimView.openInNewTab(urls: [url])
} else {
self.neoVimView.openInCurrentTab(url: url)
}
}
}
fileprivate func savePanelSheet(action: @escaping (URL) -> Void) {
let panel = NSSavePanel()
panel.beginSheetModal(for: self.window) { result in
guard result == NSFileHandlingPanelOKButton else {
return
}
let showAlert: () -> Void = {
let alert = NSAlert()
alert.addButton(withTitle: "OK")
alert.messageText = "Invalid File Name"
alert.informativeText = "The file name you have entered cannot be used. Please use a different name."
alert.alertStyle = .warning
alert.runModal()
}
guard let url = panel.url else {
showAlert()
return
}
action(url)
}
}
}
// MARK: - Tools Menu Item Actions
extension MainWindow {
@IBAction func toggleAllTools(_ sender: Any?) {
self.workspace.toggleAllTools()
self.focusNeoVimView(self)
self.emit(self.uuidAction(for: .toggleAllTools(self.workspace.isAllToolsVisible)))
}
@IBAction func toggleToolButtons(_ sender: Any?) {
self.workspace.toggleToolButtons()
self.emit(self.uuidAction(for: .toggleToolButtons(self.workspace.isToolButtonsVisible)))
}
@IBAction func toggleFileBrowser(_ sender: Any?) {
let fileBrowser = self.fileBrowserContainer
if fileBrowser?.isSelected == true {
if fileBrowser?.view.isFirstResponder == true {
fileBrowser?.toggle()
self.focusNeoVimView(self)
} else {
self.emit(self.uuidAction(for: .focus(.fileBrowser)))
}
return
}
fileBrowser?.toggle()
self.emit(self.uuidAction(for: .focus(.fileBrowser)))
}
@IBAction func focusNeoVimView(_: Any?) {
// self.window.makeFirstResponder(self.neoVimView)
self.emit(self.uuidAction(for: .focus(.neoVimView)))
}
}
// MARK: - WorkspaceDelegate
extension MainWindow {
func resizeWillStart(workspace: Workspace, tool: WorkspaceTool?) {
self.neoVimView.enterResizeMode()
}
func resizeDidEnd(workspace: Workspace, tool: WorkspaceTool?) {
self.neoVimView.exitResizeMode()
if let workspaceTool = tool, let toolIdentifier = self.toolIdentifier(for: workspaceTool) {
self.emit(self.uuidAction(for: .setState(for: toolIdentifier, with: workspaceTool)))
}
}
func toggled(tool: WorkspaceTool) {
if let toolIdentifier = self.toolIdentifier(for: tool) {
self.emit(self.uuidAction(for: .setState(for: toolIdentifier, with: tool)))
}
}
func moved(tool: WorkspaceTool) {
let tools = self.workspace.orderedTools.flatMap { (tool: WorkspaceTool) -> (Tools, WorkspaceTool)? in
guard let toolId = self.toolIdentifier(for: tool) else {
return nil
}
return (toolId, tool)
}
self.emit(self.uuidAction(for: .setToolsState(tools)))
}
fileprivate func toolIdentifier(for tool: WorkspaceTool) -> Tools? {
if tool == self.fileBrowserContainer {
return .fileBrowser
}
if tool == self.openedFileListContainer {
return .openedFilesList
}
if tool == self.previewContainer {
return .preview
}
if tool == self.htmlPreviewContainer {
return .htmlPreview
}
return nil
}
}
// MARK: - NSUserInterfaceValidationsProtocol
extension MainWindow {
func validateUserInterfaceItem(_ item: NSValidatedUserInterfaceItem) -> Bool {
let canSave = self.neoVimView.currentBuffer() != nil
let canSaveAs = canSave
let canOpen = canSave
let canOpenQuickly = canSave
let canFocusNeoVimView = self.window.firstResponder != self.neoVimView
let canToggleFileBrowser = self.tools.keys.contains(.fileBrowser)
let canToggleTools = !self.tools.isEmpty
guard let action = item.action else {
return true
}
switch action {
case #selector(toggleAllTools(_:)), #selector(toggleToolButtons(_:)):
return canToggleTools
case #selector(toggleFileBrowser(_:)):
return canToggleFileBrowser
case #selector(focusNeoVimView(_:)):
return canFocusNeoVimView
case #selector(openDocument(_:)):
return canOpen
case #selector(openQuickly(_:)):
return canOpenQuickly
case #selector(saveDocument(_:)):
return canSave
case #selector(saveDocumentAs(_:)):
return canSaveAs
default:
return true
}
}
}