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mirror of https://github.com/qvacua/vimr.git synced 2024-12-18 11:11:34 +03:00
vimr/VimR/OpenQuicklyWindowComponent.swift
2016-11-08 21:55:09 +01:00

323 lines
10 KiB
Swift

/**
* Tae Won Ha - http://taewon.de - @hataewon
* See LICENSE
*/
import Cocoa
import PureLayout
import RxSwift
import RxCocoa
class OpenQuicklyWindowComponent: WindowComponent,
NSWindowDelegate,
NSTableViewDelegate, NSTableViewDataSource,
NSTextFieldDelegate
{
let scanCondition = NSCondition()
var pauseScan = false
fileprivate(set) var pattern = ""
fileprivate(set) var cwd = FileUtils.userHomeUrl {
didSet {
self.cwdPathCompsCount = self.cwd.pathComponents.count
self.cwdControl.url = self.cwd
}
}
fileprivate(set) var flatFileItems = [FileItem]()
fileprivate(set) var fileViewItems = [ScoredFileItem]()
fileprivate let userInitiatedScheduler = ConcurrentDispatchQueueScheduler(qos: .userInitiated)
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 fileItemService: FileItemService
fileprivate var count = 0
fileprivate var perSessionDisposeBag = DisposeBag()
fileprivate var cwdPathCompsCount = 0
fileprivate let searchStream: Observable<String>
fileprivate let filterOpQueue = OperationQueue()
weak fileprivate var mainWindow: MainWindowComponent?
init(source: Observable<Any>, fileItemService: FileItemService) {
self.fileItemService = fileItemService
self.searchStream = self.searchField.rx.text.orEmpty
.throttle(0.2, scheduler: MainScheduler.instance)
.distinctUntilChanged()
super.init(source: source, nibName: "OpenQuicklyWindow")
self.window.delegate = self
self.filterOpQueue.qualityOfService = .userInitiated
self.filterOpQueue.name = "open-quickly-filter-operation-queue"
}
override 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 = .spinningStyle
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(NSLayoutPriorityDefaultLow, 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: .left, withInset: 2)
cwdControl.autoPinEdge(toSuperviewEdge: .bottom, withInset: 4)
countField.autoPinEdge(.top, to: .bottom, of: fileScrollView, withOffset: 4)
countField.autoPinEdge(toSuperviewEdge: .right, withInset: 2)
countField.autoPinEdge(.left, to: .right, of: cwdControl, withOffset: 4)
}
override func subscription(source: Observable<Any>) -> Disposable {
return Disposables.create()
}
func reloadFileView(withScoredItems items: [ScoredFileItem]) {
self.fileViewItems = items
self.fileView.reloadData()
}
func startProgress() {
self.progressIndicator.startAnimation(self)
}
func endProgress() {
self.progressIndicator.stopAnimation(self)
}
func show(forMainWindow mainWindow: MainWindowComponent) {
self.mainWindow = mainWindow
self.mainWindow?.sink
.filter { $0 is MainWindowAction }
.map { $0 as! MainWindowAction }
.observeOn(MainScheduler.instance)
.subscribe(onNext: { [unowned self] action in
switch action {
case .close:
self.window.performClose(self)
return
default:
return
}
})
.addDisposableTo(self.perSessionDisposeBag)
self.cwd = mainWindow.cwd
let flatFiles = self.fileItemService.flatFileItems(ofUrl: self.cwd)
self.searchStream
.subscribe(onNext: { [unowned self] pattern in
self.pattern = pattern
self.resetAndAddFilterOperation()
})
.addDisposableTo(self.perSessionDisposeBag)
flatFiles
.subscribeOn(self.userInitiatedScheduler)
.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"
})
.addDisposableTo(self.perSessionDisposeBag)
self.show()
self.searchField.becomeFirstResponder()
}
fileprivate func resetAndAddFilterOperation() {
self.filterOpQueue.cancelAllOperations()
let op = OpenQuicklyFilterOperation(forOpenQuicklyWindow: self)
self.filterOpQueue.addOperation(op)
}
}
// MARK: - NSTableViewDataSource
extension OpenQuicklyWindowComponent {
@objc(numberOfRowsInTableView:)
func numberOfRows(in _: NSTableView) -> Int {
return self.fileViewItems.count
}
}
// MARK: - NSTableViewDelegate
extension OpenQuicklyWindowComponent {
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.make(withIdentifier: "file-view-row", owner: self)
let cell = cachedCell as? ImageAndTextTableCell ?? ImageAndTextTableCell(withIdentifier: "file-view-row")
let url = self.fileViewItems[row].url
cell.attributedText = self.rowText(forUrl: url as URL)
cell.image = self.fileItemService.icon(forUrl: url)
return cell
}
func tableViewSelectionDidChange(_: Notification) {
// NSLog("\(#function): selection changed")
}
fileprivate func rowText(forUrl 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(NSForegroundColorAttributeName,
value: NSColor.lightGray,
range: NSRange(location:name.characters.count, length: pathInfo.characters.count + 3))
return rowText
}
}
// MARK: - NSTextFieldDelegate
extension OpenQuicklyWindowComponent {
@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:"):
self.mainWindow?.open(urls: [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 OpenQuicklyWindowComponent {
func windowWillClose(_ notification: Notification) {
self.endProgress()
self.mainWindow = nil
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: Notification) {
self.window.performClose(self)
}
}