// // TimelineTableCellView.swift // NetNewsWire // // Created by Brent Simmons on 8/31/15. // Copyright © 2015 Ranchero Software, LLC. All rights reserved. // import Foundation import RSCore class TimelineTableCellView: NSTableCellView { private let titleView = TimelineTableCellView.multiLineTextField() private let summaryView = TimelineTableCellView.singleLineTextField() private let textView = TimelineTableCellView.multiLineTextField() private let unreadIndicatorView = UnreadIndicatorView(frame: NSZeroRect) private let dateView = TimelineTableCellView.singleLineTextField() private let feedNameView = TimelineTableCellView.singleLineTextField() private lazy var avatarView = TimelineAvatarView() private let starView = TimelineTableCellView.imageView(with: AppAssets.timelineStar, scaling: .scaleNone) private let separatorView = TimelineTableCellView.separatorView() private lazy var textFields = { return [self.dateView, self.feedNameView, self.titleView, self.summaryView, self.textView] }() private var showsSeparator: Bool = AppDefaults.timelineShowsSeparators { didSet { separatorView.isHidden = !showsSeparator } } var cellAppearance: TimelineCellAppearance! { didSet { if cellAppearance != oldValue { updateTextFieldFonts() avatarView.layer?.cornerRadius = cellAppearance.avatarCornerRadius needsLayout = true } } } var cellData: TimelineCellData! { didSet { updateSubviews() } } var isEmphasized: Bool = false { didSet { unreadIndicatorView.isEmphasized = isEmphasized } } var isSelected: Bool = false { didSet { unreadIndicatorView.isSelected = isSelected } } override var isFlipped: Bool { return true } override init(frame frameRect: NSRect) { super.init(frame: frameRect) commonInit() } required init?(coder: NSCoder) { super.init(coder: coder) commonInit() } convenience init() { self.init(frame: NSRect.zero) } override func prepareForReuse() { super.prepareForReuse() separatorView.isHidden = !showsSeparator } func timelineShowsSeparatorsDefaultDidChange() { showsSeparator = AppDefaults.timelineShowsSeparators } override func setFrameSize(_ newSize: NSSize) { if newSize == self.frame.size { return } super.setFrameSize(newSize) needsLayout = true } override func viewDidMoveToSuperview() { updateSubviews() } override func layout() { resizeSubviews(withOldSize: NSZeroSize) } override func resizeSubviews(withOldSize oldSize: NSSize) { let layoutRects = updatedLayoutRects() setFrame(for: titleView, rect: layoutRects.titleRect) setFrame(for: summaryView, rect: layoutRects.summaryRect) setFrame(for: textView, rect: layoutRects.textRect) dateView.rs_setFrameIfNotEqual(layoutRects.dateRect) unreadIndicatorView.rs_setFrameIfNotEqual(layoutRects.unreadIndicatorRect) feedNameView.rs_setFrameIfNotEqual(layoutRects.feedNameRect) avatarView.rs_setFrameIfNotEqual(layoutRects.avatarImageRect) starView.rs_setFrameIfNotEqual(layoutRects.starRect) separatorView.rs_setFrameIfNotEqual(layoutRects.separatorRect) } } // MARK: - Private private extension TimelineTableCellView { static func singleLineTextField() -> NSTextField { let textField = NSTextField(labelWithString: "") textField.usesSingleLineMode = true textField.maximumNumberOfLines = 1 textField.isEditable = false textField.lineBreakMode = .byTruncatingTail textField.allowsDefaultTighteningForTruncation = false return textField } static func multiLineTextField() -> NSTextField { let textField = NSTextField(wrappingLabelWithString: "") textField.usesSingleLineMode = false textField.maximumNumberOfLines = 2 textField.isEditable = false textField.cell?.truncatesLastVisibleLine = true textField.allowsDefaultTighteningForTruncation = false return textField } static func imageView(with image: NSImage?, scaling: NSImageScaling) -> NSImageView { let imageView = image != nil ? NSImageView(image: image!) : NSImageView(frame: NSRect.zero) imageView.animates = false imageView.imageAlignment = .alignCenter imageView.imageScaling = scaling return imageView } static func separatorView() -> NSView { return TimelineSeparatorView(frame: .zero) } func setFrame(for textField: NSTextField, rect: NSRect) { if Int(floor(rect.height)) == 0 || Int(floor(rect.width)) == 0 { hideView(textField) } else { showView(textField) textField.rs_setFrameIfNotEqual(rect) } } func makeTextFieldColorsNormal() { titleView.textColor = NSColor.labelColor feedNameView.textColor = NSColor.secondaryLabelColor dateView.textColor = NSColor.secondaryLabelColor summaryView.textColor = NSColor.secondaryLabelColor textView.textColor = NSColor.labelColor } func updateTextFieldFonts() { feedNameView.font = cellAppearance.feedNameFont dateView.font = cellAppearance.dateFont titleView.font = cellAppearance.titleFont summaryView.font = cellAppearance.textFont textView.font = cellAppearance.textOnlyFont } func addSubviewAtInit(_ view: NSView, hidden: Bool) { addSubview(view) view.translatesAutoresizingMaskIntoConstraints = false view.isHidden = hidden } func commonInit() { addSubviewAtInit(titleView, hidden: false) addSubviewAtInit(summaryView, hidden: true) addSubviewAtInit(textView, hidden: true) addSubviewAtInit(unreadIndicatorView, hidden: true) addSubviewAtInit(dateView, hidden: false) addSubviewAtInit(feedNameView, hidden: true) addSubviewAtInit(avatarView, hidden: true) addSubviewAtInit(starView, hidden: true) addSubviewAtInit(separatorView, hidden: !AppDefaults.timelineShowsSeparators) makeTextFieldColorsNormal() } func updatedLayoutRects() -> TimelineCellLayout { return TimelineCellLayout(width: bounds.width, height: bounds.height, cellData: cellData, appearance: cellAppearance, hasAvatar: avatarView.image != nil) } func updateTitleView() { updateTextFieldText(titleView, cellData?.title) } func updateSummaryView() { updateTextFieldText(summaryView, cellData?.text) } func updateTextView() { updateTextFieldText(textView, cellData?.text) } func updateDateView() { updateTextFieldText(dateView, cellData.dateString) } func updateTextFieldText(_ textField: NSTextField, _ text: String?) { let s = text ?? "" if textField.stringValue != s { textField.stringValue = s needsLayout = true } } func updateFeedNameView() { if cellData.showFeedName { showView(feedNameView) updateTextFieldText(feedNameView, cellData.feedName) } else { hideView(feedNameView) } } func updateUnreadIndicator() { showOrHideView(unreadIndicatorView, cellData.read || cellData.starred) } func updateStarView() { showOrHideView(starView, !cellData.starred) } func updateAvatar() { guard let image = cellData.avatar, cellData.showAvatar else { makeAvatarEmpty() return } showView(avatarView) if avatarView.image !== image { avatarView.image = image needsLayout = true } } func makeAvatarEmpty() { if avatarView.image != nil { avatarView.image = nil needsLayout = true } hideView(avatarView) } func hideView(_ view: NSView) { if !view.isHidden { view.isHidden = true } } func showView(_ view: NSView) { if view.isHidden { view.isHidden = false } } func showOrHideView(_ view: NSView, _ shouldHide: Bool) { shouldHide ? hideView(view) : showView(view) } func updateSubviews() { updateTitleView() updateSummaryView() updateTextView() updateDateView() updateFeedNameView() updateUnreadIndicator() updateStarView() updateAvatar() } } // MARK: - private class TimelineSeparatorView: NSView { private static let backgroundColor = NSColor(named: "timelineSeparatorColor")! override init(frame: NSRect) { super.init(frame: frame) self.wantsLayer = true } required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") } override func viewDidChangeEffectiveAppearance() { super.viewDidChangeEffectiveAppearance() needsDisplay = true } override var wantsUpdateLayer: Bool { return true } override func updateLayer() { super.updateLayer() layer?.backgroundColor = TimelineSeparatorView.backgroundColor.cgColor } }