93 lines
2.6 KiB
Swift
93 lines
2.6 KiB
Swift
//
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// TimelineItem.swift
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// NetNewsWire
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//
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// Created by Maurice Parker on 6/30/20.
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// Copyright © 2020 Ranchero Software. All rights reserved.
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//
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import SwiftUI
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import Articles
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enum TimelineItemStatus {
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case showStar
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case showUnread
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case showNone
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}
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struct TimelineItem: Identifiable {
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var id: String
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var article: Article
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var status: TimelineItemStatus = .showNone
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var truncatedTitle: String
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var truncatedSummary: String
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var byline: String
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var dateTimeString: String
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init(article: Article) {
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self.id = article.articleID
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self.article = article
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self.byline = article.webFeed?.nameForDisplay ?? ""
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self.dateTimeString = ArticleStringFormatter.dateString(article.logicalDatePublished)
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self.truncatedTitle = ArticleStringFormatter.truncatedTitle(article)
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self.truncatedSummary = ArticleStringFormatter.truncatedSummary(article)
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updateStatus()
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}
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mutating func updateStatus() {
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if article.status.starred == true {
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status = .showStar
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} else {
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if article.status.read == false {
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status = .showUnread
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} else {
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status = .showNone
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}
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}
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}
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func numberOfTitleLines(width: CGFloat) -> Int {
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guard !truncatedTitle.isEmpty else { return 0 }
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#if os(macOS)
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let descriptor = NSFont.preferredFont(forTextStyle: .body).fontDescriptor.withSymbolicTraits(.bold)
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guard let font = NSFont(descriptor: descriptor, size: 0) else { return 0 }
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#else
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guard let descriptor = UIFont.preferredFont(forTextStyle: .body).fontDescriptor.withSymbolicTraits(.traitBold) else { return 0 }
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let font = UIFont(descriptor: descriptor, size: 0)
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#endif
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let lines = Int(AppDefaults.shared.timelineNumberOfLines)
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let sizeInfo = TimelineTextSizer.size(for: truncatedTitle, font: font, numberOfLines: lines, width: adjustedWidth(width))
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return sizeInfo.numberOfLinesUsed
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}
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func numberOfSummaryLines(width: CGFloat, titleLines: Int) -> Int {
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guard !truncatedSummary.isEmpty else { return 0 }
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let remainingLines = Int(AppDefaults.shared.timelineNumberOfLines) - titleLines
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guard remainingLines > 0 else { return 0 }
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#if os(macOS)
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let font = NSFont.preferredFont(forTextStyle: .body)
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#else
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let font = UIFont.preferredFont(forTextStyle: .body)
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#endif
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let sizeInfo = TimelineTextSizer.size(for: truncatedSummary, font: font, numberOfLines: remainingLines, width: adjustedWidth(width))
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return sizeInfo.numberOfLinesUsed
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}
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}
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private extension TimelineItem {
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// This clearly isn't correct yet, but it gets us close enough for now. -Maurice
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func adjustedWidth(_ width: CGFloat) -> Int {
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return Int(width - CGFloat(AppDefaults.shared.timelineIconDimensions + 64))
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}
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}
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