1
1
mirror of https://github.com/qvacua/vimr.git synced 2024-11-28 11:35:35 +03:00
vimr/VimR/OpenQuicklyWindow.swift
2017-11-10 19:48:11 +01:00

349 lines
11 KiB
Swift

/**
* Tae Won Ha - http://taewon.de - @hataewon
* See LICENSE
*/
import Cocoa
import RxSwift
import RxCocoa
import PureLayout
class OpenQuicklyWindow: NSObject,
UiComponent,
NSWindowDelegate,
NSTextFieldDelegate,
NSTableViewDelegate, NSTableViewDataSource {
typealias StateType = AppState
enum Action {
case open(URL)
case close
}
let scanCondition = NSCondition()
var pauseScan = false
required init(source: Observable<StateType>, emitter: ActionEmitter, state: StateType) {
self.emit = emitter.typedEmit()
self.windowController = NSWindowController(windowNibName: NSNib.Name("OpenQuicklyWindow"))
self.searchStream = self.searchField.rx
.text.orEmpty
.throttle(0.2, scheduler: MainScheduler.instance)
.distinctUntilChanged()
super.init()
self.window.delegate = self
self.filterOpQueue.qualityOfService = .userInitiated
self.filterOpQueue.name = "open-quickly-filter-operation-queue"
self.addViews()
source
.observeOn(MainScheduler.instance)
.subscribe(onNext: { [unowned self] state in
guard state.openQuickly.open else {
self.windowController.close()
return
}
if self.window.isKeyWindow {
// already open, so do nothing
return
}
self.cwd = state.openQuickly.cwd
self.cwdPathCompsCount = self.cwd.pathComponents.count
self.cwdControl.url = self.cwd
self.flatFileItemsSource = FileItemUtils.flatFileItems(
of: state.openQuickly.cwd,
ignorePatterns: state.openQuickly.ignorePatterns,
ignoreToken: state.openQuickly.ignoreToken,
root: state.openQuickly.root
)
self.searchStream
.subscribe(onNext: { [unowned self] pattern in
self.pattern = pattern
self.resetAndAddFilterOperation()
})
.disposed(by: self.perSessionDisposeBag)
self.flatFileItemsSource
.subscribeOn(self.scheduler)
.do(onNext: { [unowned self] items in
self.scanCondition.lock()
while self.pauseScan {
self.scanCondition.wait()
}
self.scanCondition.unlock()
//
self.flatFileItems.append(contentsOf: items)
self.resetAndAddFilterOperation()
})
.observeOn(MainScheduler.instance)
.subscribe(onNext: { [unowned self] items in
self.count += items.count
self.countField.stringValue = "\(self.count) items"
})
.disposed(by: self.perSessionDisposeBag)
self.windowController.showWindow(self)
})
.disposed(by: self.disposeBag)
}
func reloadFileView(withScoredItems items: [ScoredFileItem]) {
self.fileViewItems = items
self.fileView.reloadData()
}
func startProgress() {
self.progressIndicator.startAnimation(self)
}
func endProgress() {
self.progressIndicator.stopAnimation(self)
}
fileprivate let emit: (Action) -> Void
fileprivate let disposeBag = DisposeBag()
fileprivate var flatFileItemsSource = Observable<[FileItem]>.empty()
fileprivate(set) var cwd = FileUtils.userHomeUrl
fileprivate var cwdPathCompsCount = 0
// FIXME: migrate to State later...
fileprivate(set) var pattern = ""
fileprivate(set) var flatFileItems = [FileItem]()
fileprivate(set) var fileViewItems = [ScoredFileItem]()
fileprivate var count = 0
fileprivate var perSessionDisposeBag = DisposeBag()
fileprivate let filterOpQueue = OperationQueue()
fileprivate let scheduler = ConcurrentDispatchQueueScheduler(qos: .userInitiated)
fileprivate let windowController: NSWindowController
fileprivate let searchField = NSTextField(forAutoLayout: ())
fileprivate let progressIndicator = NSProgressIndicator(forAutoLayout: ())
fileprivate let cwdControl = NSPathControl(forAutoLayout: ())
fileprivate let countField = NSTextField(forAutoLayout: ())
fileprivate let fileView = NSTableView.standardTableView()
fileprivate let searchStream: Observable<String>
fileprivate var window: NSWindow {
return self.windowController.window!
}
fileprivate func resetAndAddFilterOperation() {
self.filterOpQueue.cancelAllOperations()
let op = OpenQuicklyFilterOperation(forOpenQuickly: self)
self.filterOpQueue.addOperation(op)
}
fileprivate func addViews() {
let searchField = self.searchField
searchField.rx.delegate.setForwardToDelegate(self, retainDelegate: false)
let progressIndicator = self.progressIndicator
progressIndicator.isIndeterminate = true
progressIndicator.isDisplayedWhenStopped = false
progressIndicator.style = .spinning
progressIndicator.controlSize = .small
let fileView = self.fileView
fileView.intercellSpacing = CGSize(width: 4, height: 4)
fileView.dataSource = self
fileView.delegate = self
let fileScrollView = NSScrollView.standardScrollView()
fileScrollView.autoresizesSubviews = true
fileScrollView.documentView = fileView
let cwdControl = self.cwdControl
cwdControl.pathStyle = .standard
cwdControl.backgroundColor = NSColor.clear
cwdControl.refusesFirstResponder = true
cwdControl.cell?.controlSize = .small
cwdControl.cell?.font = NSFont.systemFont(ofSize: NSFont.smallSystemFontSize)
cwdControl.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
let countField = self.countField
countField.isEditable = false
countField.isBordered = false
countField.alignment = .right
countField.backgroundColor = NSColor.clear
countField.stringValue = "0 items"
let contentView = self.window.contentView!
contentView.addSubview(searchField)
contentView.addSubview(progressIndicator)
contentView.addSubview(fileScrollView)
contentView.addSubview(cwdControl)
contentView.addSubview(countField)
searchField.autoPinEdge(toSuperviewEdge: .top, withInset: 8)
searchField.autoPinEdge(toSuperviewEdge: .right, withInset: 8)
searchField.autoPinEdge(toSuperviewEdge: .left, withInset: 8)
progressIndicator.autoAlignAxis(.horizontal, toSameAxisOf: searchField)
progressIndicator.autoPinEdge(.right, to: .right, of: searchField, withOffset: -4)
fileScrollView.autoPinEdge(.top, to: .bottom, of: searchField, withOffset: 8)
fileScrollView.autoPinEdge(toSuperviewEdge: .left, withInset: -1)
fileScrollView.autoPinEdge(toSuperviewEdge: .right, withInset: -1)
fileScrollView.autoSetDimension(.height, toSize: 200, relation: .greaterThanOrEqual)
cwdControl.autoPinEdge(.top, to: .bottom, of: fileScrollView, withOffset: 4)
// cwdControl.autoPinEdge(toSuperviewEdge: .bottom)
cwdControl.autoPinEdge(toSuperviewEdge: .left, withInset: 2)
cwdControl.autoPinEdge(toSuperviewEdge: .bottom, withInset: 4)
// countField.autoPinEdge(toSuperviewEdge: .bottom)
countField.autoPinEdge(.top, to: .bottom, of: fileScrollView, withOffset: 4)
countField.autoPinEdge(toSuperviewEdge: .right, withInset: 2)
countField.autoPinEdge(.left, to: .right, of: cwdControl, withOffset: 4)
}
}
// MARK: - NSTableViewDataSource
extension OpenQuicklyWindow {
@objc(numberOfRowsInTableView:)
func numberOfRows(in _: NSTableView) -> Int {
return self.fileViewItems.count
}
}
// MARK: - NSTableViewDelegate
extension OpenQuicklyWindow {
func tableView(_ tableView: NSTableView, rowViewForRow row: Int) -> NSTableRowView? {
return OpenQuicklyFileViewRow()
}
@objc(tableView: viewForTableColumn:row:)
func tableView(_ tableView: NSTableView, viewFor _: NSTableColumn?, row: Int) -> NSView? {
let cachedCell = (tableView.makeView(
withIdentifier: NSUserInterfaceItemIdentifier("file-view-row"), owner: self) as? ImageAndTextTableCell
)?.reset()
let cell = cachedCell ?? ImageAndTextTableCell(withIdentifier: "file-view-row")
let url = self.fileViewItems[row].url
cell.attributedText = self.rowText(for: url as URL)
cell.image = FileUtils.icon(forUrl: url)
return cell
}
func tableViewSelectionDidChange(_: Notification) {
// NSLog("\(#function): selection changed")
}
fileprivate func rowText(for url: URL) -> NSAttributedString {
let pathComps = url.pathComponents
let truncatedPathComps = pathComps[self.cwdPathCompsCount..<pathComps.count]
let name = truncatedPathComps.last!
if truncatedPathComps.dropLast().isEmpty {
return NSMutableAttributedString(string: name)
}
let rowText: NSMutableAttributedString
let pathInfo = truncatedPathComps.dropLast().reversed().joined(separator: " / ")
rowText = NSMutableAttributedString(string: "\(name)\(pathInfo)")
rowText.addAttribute(NSAttributedStringKey.foregroundColor,
value: NSColor.lightGray,
range: NSRange(location: name.count, length: pathInfo.count + 3))
return rowText
}
}
// MARK: - NSTextFieldDelegate
extension OpenQuicklyWindow {
@objc(control: textView:doCommandBySelector:)
func control(_ control: NSControl, textView: NSTextView, doCommandBy commandSelector: Selector) -> Bool {
switch commandSelector {
case NSSelectorFromString("cancelOperation:"):
self.window.performClose(self)
return true
case NSSelectorFromString("insertNewline:"):
// TODO open the url
self.emit(.open(self.fileViewItems[self.fileView.selectedRow].url))
self.window.performClose(self)
return true
case NSSelectorFromString("moveUp:"):
self.moveSelection(ofTableView: self.fileView, byDelta: -1)
return true
case NSSelectorFromString("moveDown:"):
self.moveSelection(ofTableView: self.fileView, byDelta: 1)
return true
default:
return false
}
}
fileprivate func moveSelection(ofTableView tableView: NSTableView, byDelta delta: Int) {
let selectedRow = tableView.selectedRow
let lastIdx = tableView.numberOfRows - 1
let targetIdx: Int
if selectedRow + delta < 0 {
targetIdx = 0
} else if selectedRow + delta > lastIdx {
targetIdx = lastIdx
} else {
targetIdx = selectedRow + delta
}
tableView.selectRowIndexes(IndexSet(integer: targetIdx), byExtendingSelection: false)
tableView.scrollRowToVisible(targetIdx)
}
}
// MARK: - NSWindowDelegate
extension OpenQuicklyWindow {
func windowShouldClose(_: NSWindow) -> Bool {
self.emit(.close)
return false
}
func windowWillClose(_: Notification) {
self.endProgress()
self.filterOpQueue.cancelAllOperations()
self.perSessionDisposeBag = DisposeBag()
self.pauseScan = false
self.count = 0
self.pattern = ""
self.flatFileItems = []
self.fileViewItems = []
self.fileView.reloadData()
self.searchField.stringValue = ""
self.countField.stringValue = "0 items"
}
func windowDidResignKey(_: Notification) {
self.window.performClose(self)
}
}