85 lines
2.6 KiB
Swift
85 lines
2.6 KiB
Swift
//
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// LabelAttributeAction.swift
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// VDS
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//
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// Created by Matt Bruce on 8/3/22.
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//
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import Foundation
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import UIKit
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import Combine
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public protocol ActionLabelAttributeModel: LabelAttributeModel {
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var accessibleText: String? { get set }
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var action: PassthroughSubject<Void, Never> { get }
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}
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extension ActionLabelAttributeModel {
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public func addHandler(on attributedString: NSMutableAttributedString){
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attributedString.addAttribute(NSAttributedString.Key.action, value: "handler", range: range)
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}
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}
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public struct ActionLabelAttribute: ActionLabelAttributeModel {
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public static func == (lhs: ActionLabelAttribute, rhs: ActionLabelAttribute) -> Bool {
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lhs.isEqual(rhs)
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}
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public func isEqual(_ equatable: ActionLabelAttribute) -> Bool {
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return id == equatable.id && range == equatable.range
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}
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//--------------------------------------------------
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// MARK: - Properties
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//--------------------------------------------------
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public var id = UUID()
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public var location: Int
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public var length: Int
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public var shouldUnderline: Bool
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public var accessibleText: String?
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public var action = PassthroughSubject<Void, Never>()
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public var subscriber: AnyCancellable?
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//--------------------------------------------------
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// MARK: - Initializer
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//--------------------------------------------------
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public init(location: Int, length: Int, shouldUnderline: Bool = true, accessibleText: String? = nil) {
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self.location = location
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self.length = length
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self.shouldUnderline = shouldUnderline
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self.accessibleText = accessibleText
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}
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private enum CodingKeys: String, CodingKey {
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case location, length
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}
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public func setAttribute(on attributedString: NSMutableAttributedString) {
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if(shouldUnderline){
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UnderlineLabelAttribute(location: location, length: length).setAttribute(on: attributedString)
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}
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addHandler(on: attributedString)
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}
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}
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extension NSAttributedString.Key {
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public static let action = NSAttributedString.Key(rawValue: "action")
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}
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extension String {
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public func nsRange(of text: String) -> NSRange? {
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guard let found = range(of: text) else { return nil }
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return NSRange(found, in: self)
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}
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}
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extension ActionLabelAttribute {
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public init? (text: String, linkText: String, accessibleText: String? = nil) {
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guard let range = text.nsRange(of: linkText) else { return nil }
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self.init(location: range.location, length: range.length)
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}
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}
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