Files
appchk-app/main/Common Classes/QuickUI.swift
2020-04-18 18:56:37 +02:00

71 lines
2.4 KiB
Swift

import UIKit
struct QuickUI {
static func button(_ title: String, target: Any? = nil, action: Selector? = nil) -> UIButton {
let x = UIButton(type: .roundedRect)
x.setTitle(title, for: .normal)
x.titleLabel?.font = .preferredFont(forTextStyle: .body)
x.sizeToFit()
if let a = action { x.addTarget(target, action: a, for: .touchUpInside) }
if #available(iOS 10.0, *) {
x.titleLabel?.adjustsFontForContentSizeCategory = true
}
return x
}
static func image(_ img: UIImage?, frame: CGRect = CGRect.zero) -> UIImageView {
let x = UIImageView(frame: frame)
x.contentMode = .scaleAspectFit
x.image = img
return x
}
static func text(_ str: String, frame: CGRect = CGRect.zero) -> UITextView {
let x = UITextView(frame: frame)
x.font = .preferredFont(forTextStyle: .body) // .systemFont(ofSize: UIFont.systemFontSize)
x.isSelectable = false
x.isEditable = false
x.text = str
if #available(iOS 10.0, *) {
x.adjustsFontForContentSizeCategory = true
}
return x
}
static func text(attributed: NSAttributedString, frame: CGRect = CGRect.zero) -> UITextView {
let txt = self.text("", frame: frame)
txt.attributedText = attributed
return txt
}
}
extension NSMutableAttributedString {
static private var def: UIFont = .preferredFont(forTextStyle: .body)
func normal(_ str: String, _ style: UIFont.TextStyle = .body) -> Self { append(str, withFont: .preferredFont(forTextStyle: style)) }
func bold(_ str: String, _ style: UIFont.TextStyle = .body) -> Self { append(str, withFont: UIFont.preferredFont(forTextStyle: style).bold()) }
func italic(_ str: String, _ style: UIFont.TextStyle = .body) -> Self { append(str, withFont: UIFont.preferredFont(forTextStyle: style).italic()) }
func h1(_ str: String) -> Self { normal(str, .title1) }
func h2(_ str: String) -> Self { normal(str, .title2) }
func h3(_ str: String) -> Self { normal(str, .title3) }
private func append(_ str: String, withFont: UIFont) -> Self {
append(NSAttributedString(string: str, attributes: [
.font : withFont,
.foregroundColor : UIColor.sysFg
]))
return self
}
}
extension UIFont {
func withTraits(traits: UIFontDescriptor.SymbolicTraits) -> UIFont {
UIFont(descriptor: fontDescriptor.withSymbolicTraits(traits)!, size: 0) // keep size as is
}
func bold() -> UIFont { withTraits(traits: .traitBold) }
func italic() -> UIFont { withTraits(traits: .traitItalic) }
}