78 lines
2.4 KiB
Swift
78 lines
2.4 KiB
Swift
//
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// LabelSystemImageLabelAttribute.swift
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// VDS
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//
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// Created by Matt Bruce on 10/4/22.
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//
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import Foundation
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import UIKit
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public struct ImageLabelAttribute: AttachmentLabelAttributeModel {
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//--------------------------------------------------
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// MARK: - Enums
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//--------------------------------------------------
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public enum Error: Swift.Error {
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case bundleNotFound
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case imageNotFound(String)
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case imageNotSet
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}
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//--------------------------------------------------
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// MARK: - Public 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 = 1
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public var imageName: String?
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public var image: UIImage?
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public var frame: CGRect?
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public var tintColor: UIColor?
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//--------------------------------------------------
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// MARK: - Equatable
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//--------------------------------------------------
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public static func == (lhs: ImageLabelAttribute, rhs: ImageLabelAttribute) -> Bool {
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lhs.isEqual(rhs)
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}
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public func isEqual(_ equatable: ImageLabelAttribute) -> Bool {
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return id == equatable.id && range == equatable.range && imageName == equatable.imageName
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}
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//--------------------------------------------------
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// MARK: - Private Functions
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//--------------------------------------------------
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private func imageAttachment(image: UIImage) -> NSTextAttachment {
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let attachment = NSTextAttachment()
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attachment.image = tintColor != nil ? image.withTintColor(tintColor!) : image
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if let frame {
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attachment.bounds = frame
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}
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return attachment
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}
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//--------------------------------------------------
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// MARK: - Public Functions
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//--------------------------------------------------
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public func getAttachment() throws -> NSTextAttachment {
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//get a local asset
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if let imageName {
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guard let image = BundleManager.shared.image(for: imageName) else {
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throw Error.imageNotFound(imageName)
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}
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return imageAttachment(image: image)
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} //get from set image
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else if let image {
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return imageAttachment(image: image)
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} else {
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throw Error.imageNotSet
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}
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}
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}
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