110 lines
3.7 KiB
Swift
110 lines
3.7 KiB
Swift
//
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// MasterTableViewCellLayout.swift
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// NetNewsWire
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//
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// Created by Brent Simmons on 11/24/17.
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// Copyright © 2017 Ranchero Software. All rights reserved.
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//
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import UIKit
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import RSCore
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struct MasterTableViewCellLayout {
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private static let imageSize = CGSize(width: 16, height: 16)
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private static let imageMarginLeft = CGFloat(integerLiteral: 8)
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private static let imageMarginRight = CGFloat(integerLiteral: 8)
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private static let unreadCountMarginLeft = CGFloat(integerLiteral: 8)
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private static let unreadCountMarginRight = CGFloat(integerLiteral: 0)
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private static let disclosureButtonSize = CGSize(width: 44, height: 44)
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let faviconRect: CGRect
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let titleRect: CGRect
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let unreadCountRect: CGRect
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let disclosureButtonRect: CGRect
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init(cellSize: CGSize, shouldShowImage: Bool, label: UILabel, unreadCountView: MasterUnreadCountView, showingEditingControl: Bool, indent: Bool, shouldShowDisclosure: Bool) {
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let bounds = CGRect(x: 0.0, y: 0.0, width: floor(cellSize.width), height: floor(cellSize.height))
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// Favicon
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var rFavicon = CGRect.zero
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if shouldShowImage {
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var indentX = showingEditingControl ? MasterTableViewCellLayout.imageMarginLeft + 40 : MasterTableViewCellLayout.imageMarginLeft
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indentX = indent ? indentX + 20 : indentX
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rFavicon = CGRect(x: indentX, y: 0.0, width: MasterTableViewCellLayout.imageSize.width, height: MasterTableViewCellLayout.imageSize.height)
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rFavicon = MasterTableViewCellLayout.centerVertically(rFavicon, bounds)
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}
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self.faviconRect = rFavicon
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// Title
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let labelSize = SingleLineUILabelSizer.size(for: label.text ?? "", font: label.font!)
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var rLabel = CGRect(x: 0.0, y: 0.0, width: labelSize.width, height: labelSize.height)
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if shouldShowImage {
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rLabel.origin.x = rFavicon.maxX + MasterTableViewCellLayout.imageMarginRight
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} else {
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rLabel.origin.x = indent ? 20 : 0
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}
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rLabel = MasterTableViewCellLayout.centerVertically(rLabel, bounds)
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// Unread Count
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let unreadCountSize = unreadCountView.intrinsicContentSize
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let unreadCountIsHidden = unreadCountView.unreadCount < 1
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var rUnread = CGRect.zero
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if !unreadCountIsHidden {
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rUnread.size = unreadCountSize
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rUnread.origin.x = bounds.maxX -
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(unreadCountSize.width + MasterTableViewCellLayout.unreadCountMarginRight + MasterTableViewCellLayout.disclosureButtonSize.width)
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rUnread = MasterTableViewCellLayout.centerVertically(rUnread, bounds)
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// Cap the Title width based on the unread indicator button
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let labelMaxX = rUnread.minX - MasterTableViewCellLayout.unreadCountMarginLeft
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if rLabel.maxX > labelMaxX {
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rLabel.size.width = labelMaxX - rLabel.minX
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}
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}
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self.unreadCountRect = rUnread
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// Disclosure Button
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var rDisclosure = CGRect.zero
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if shouldShowDisclosure {
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rDisclosure.size = MasterTableViewCellLayout.disclosureButtonSize
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rDisclosure.origin.x = bounds.maxX - MasterTableViewCellLayout.disclosureButtonSize.width
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rDisclosure = MasterTableViewCellLayout.centerVertically(rDisclosure, bounds)
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// Cap the Title width based on the disclosure button
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let labelMaxX = rDisclosure.minX
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if rLabel.maxX > labelMaxX {
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rLabel.size.width = labelMaxX - rLabel.minX
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}
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}
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self.disclosureButtonRect = rDisclosure
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// Cap the Title width based on total width
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if rLabel.maxX > bounds.maxX {
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rLabel.size.width = bounds.maxX - rLabel.minX
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}
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self.titleRect = rLabel
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}
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// Ideally this will be implemented in RSCore (see RSGeometry)
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static func centerVertically(_ originalRect: CGRect, _ containerRect: CGRect) -> CGRect {
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var result = originalRect
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result.origin.y = containerRect.midY - (result.height / 2.0)
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result = result.integral
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result.size = originalRect.size
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return result
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}
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}
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