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FontPickerWindowController.swift
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//
// FontPickerWindowController.swift
// iina
//
// Created by lhc on 25/10/2016.
// Copyright © 2016 lhc. All rights reserved.
//
import Cocoa
class FontPickerWindowController: NSWindowController, NSTableViewDelegate, NSTableViewDataSource, NSTextFieldDelegate, NSControlTextEditingDelegate {
struct FontInfo {
var name: String
var localizedName: String
}
@IBOutlet weak var familyTableView: NSTableView!
@IBOutlet weak var faceTableView: NSTableView!
@IBOutlet weak var previewField: NSTextField!
@IBOutlet weak var searchField: NSTextField!
@IBOutlet weak var otherField: NSTextField!
var fontNames: [FontInfo] = []
var filteredFontNames: [FontInfo] = []
var isSearching = false
var chosenFontMembers: [[Any]]?
var chosenFamily: FontInfo?
var chosenFace: String?
var finishedPicking: ((String?) -> Void)?
override var windowNibName: NSNib.Name {
get {
return NSNib.Name("FontPickerWindowController")
}
}
override func windowDidLoad() {
super.windowDidLoad()
let manager = NSFontManager.shared
fontNames = manager.availableFontFamilies
.filter { !$0.hasPrefix(".") && !$0.trimmingCharacters(in: .whitespaces).isEmpty }
.map { FontInfo(name: $0, localizedName: manager.localizedName(forFamily: $0, face: nil)) }
.sorted { $0.localizedName < $1.localizedName }
withAllTableViews { tv in
tv.dataSource = self
tv.delegate = self
}
searchField.delegate = self
}
// - MARK: NSTableView delegate and data source
func numberOfRows(in tableView: NSTableView) -> Int {
if tableView == familyTableView {
return isSearching ? filteredFontNames.count : fontNames.count
} else if tableView == faceTableView {
return chosenFontMembers?.count ?? 0
} else {
return 0
}
}
func tableView(_ tableView: NSTableView, objectValueFor tableColumn: NSTableColumn?, row: Int) -> Any? {
if tableView == familyTableView {
return isSearching ? filteredFontNames[row].localizedName : fontNames[row].localizedName
} else if tableView == faceTableView {
let face = chosenFontMembers?[row]
return face?[1]
} else {
return 0
}
}
func tableViewSelectionDidChange(_ notification: Notification) {
guard let activeTv = notification.object as? NSTableView else { return }
if activeTv == familyTableView {
guard familyTableView.selectedRow >= 0 else { return }
chosenFamily = isSearching ? filteredFontNames[familyTableView.selectedRow] : fontNames[familyTableView.selectedRow]
if chosenFamily != nil {
chosenFontMembers = FixedFontManager.typefaces(forFontFamily: chosenFamily!.name) as? [[Any]]
faceTableView.reloadData()
faceTableView.selectRowIndexes(IndexSet(integer: 0), byExtendingSelection: false)
updatePreview()
}
} else if activeTv == faceTableView {
updatePreview()
}
}
// - MARK: NSTextField delegate
func controlTextDidChange(_ obj: Notification) {
familyTableView.deselectAll(searchField)
let str = searchField.stringValue
if str.isEmpty {
isSearching = false
familyTableView.reloadData()
faceTableView.reloadData()
} else {
isSearching = true
filteredFontNames = fontNames.filter { $0.localizedName.lowercased().contains(str.lowercased()) }
chosenFontMembers = nil
familyTableView.reloadData()
faceTableView.reloadData()
}
}
@IBAction func okBtnPressed(_ sender: AnyObject) {
if let block = finishedPicking {
let otherString = otherField.stringValue
if otherString.isEmpty {
block(chosenFace)
} else {
block(otherString)
}
// remove the listener
finishedPicking = nil
}
self.close()
}
@IBAction func cancelBtnPressed(_ sender: AnyObject) {
self.close()
}
// - MARK: Utils
private func updatePreview() {
guard chosenFontMembers != nil else { return }
chosenFace = (chosenFontMembers![faceTableView.selectedRow][0] as? String) ?? ""
previewField.font = NSFont(name: chosenFace!, size: 24) ?? NSFont.systemFont(ofSize: 24)
}
private func withAllTableViews (_ block: (NSTableView) -> Void) {
block(familyTableView)
block(faceTableView)
}
}