99 lines
3.9 KiB
Swift
99 lines
3.9 KiB
Swift
//
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// TooltipLabelAttribute.swift
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// VDS
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//
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// Created by Matt Bruce on 4/27/23.
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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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import VDSTokens
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public class TooltipLabelAttribute: ActionLabelAttributeModel, TooltipLaunchable {
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public var id = UUID()
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public var action = PassthroughSubject<Void, Never>()
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private var subscriber: AnyCancellable?
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private var size: Tooltip.Size = .small
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public var location: Int = 0
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public var length: Int = 3
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/// Current Surface and this is used to pass down to child objects that implement Surfacable
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public var surface: Surface = .light
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public var accessibleText: String? = "Tool Tip"
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public var model: Tooltip.TooltipModel
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public var presenter: UIView?
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public func setAttribute(on attributedString: NSMutableAttributedString) {
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//update the location
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location = attributedString.string.count - 1
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//set the default color off surface for text
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var imageTintColor: UIColor = surface == .light ? VDSColor.elementsPrimaryOnlight : VDSColor.elementsPrimaryOndark
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//see if you can get the current textColor
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var originalRange = NSMakeRange(0, attributedString.length)
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if let textColor = attributedString.attribute(.foregroundColor, at: 0, effectiveRange: &originalRange) as? UIColor {
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imageTintColor = textColor
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}
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var frame = CGRect.zero
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let ratio: Double = 1.0 //0.80
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let yPosition: Double = -3
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if let font = attributedString.attribute(.font, at: 0, effectiveRange: &originalRange) as? UIFont {
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switch font.pointSize {
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case 15..<25:
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size = .medium
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frame = CGRect(x: 0, y: yPosition, width: size.value.dimensions.width * ratio, height: size.value.dimensions.height * ratio)
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case 0..<14:
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size = .small
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frame = CGRect(x: 0, y: yPosition, width: size.value.dimensions.width * ratio , height: size.value.dimensions.height * ratio)
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default:
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size = .medium
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frame = CGRect(x: 0, y: yPosition, width: size.value.dimensions.width, height: size.value.dimensions.height)
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}
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}
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//create the image icon and match the color of the text
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let tooltipAttribute = ImageLabelAttribute(location: location,
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imageName: "info",
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frame: frame,
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tintColor: imageTintColor)
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let spacer = NSAttributedString.spacer(for: VDSLayout.space1X)
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guard let tooltip = try? tooltipAttribute.getAttachment() else { return }
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attributedString.append(spacer)
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attributedString.append(NSAttributedString(attachment: tooltip))
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addHandler(on: attributedString)
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}
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public init(id: UUID = UUID(),
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subscriber: AnyCancellable? = nil,
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accessibleText: String? = nil,
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surface: Surface = .light,
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model: Tooltip.TooltipModel,
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presenter: UIView? = nil) {
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self.id = id
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self.subscriber = subscriber
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self.surface = surface
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self.model = model
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self.accessibleText = accessibleText ?? model.accessibleText
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self.presenter = presenter
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//create the tooltip click event
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self.subscriber = action.sink { [weak self] in
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guard let self else { return }
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self.presentTooltip(surface: surface, tooltipModel: model, presenter: self.presenter)
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}
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}
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public static func == (lhs: TooltipLabelAttribute, rhs: TooltipLabelAttribute) -> Bool {
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lhs.isEqual(rhs)
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}
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public func isEqual(_ equatable: TooltipLabelAttribute) -> Bool {
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return id == equatable.id && range == equatable.range
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}
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}
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