81 lines
2.4 KiB
Swift
81 lines
2.4 KiB
Swift
//
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// ComposeViewModel.swift
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// ShareActionExtension
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//
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// Created by MainasuK Cirno on 2021-7-16.
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//
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import Foundation
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import SwiftUI
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import Combine
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class ComposeViewModel: ObservableObject {
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var disposeBag = Set<AnyCancellable>()
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@Published var toolbarHeight: CGFloat = 0
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@Published var avatarImageURL: URL?
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@Published var authorName: String = ""
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@Published var authorUsername: String = ""
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@Published var statusContent = ""
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@Published var statusPlaceholder = ""
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@Published var statusContentAttributedString = NSAttributedString()
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@Published var isContentWarningComposing = false
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@Published var contentWarningBackgroundColor = Color.secondary
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@Published var contentWarningPlaceholder = ""
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@Published var contentWarningContent = ""
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@Published private(set) var attachmentViewModels: [StatusAttachmentViewModel] = []
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@Published var characterCount = 0
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public init() {
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$statusContent
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.map { NSAttributedString(string: $0) }
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.assign(to: &$statusContentAttributedString)
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Publishers.CombineLatest3(
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$statusContent,
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$isContentWarningComposing,
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$contentWarningContent
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)
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.map { statusContent, isContentWarningComposing, contentWarningContent in
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var count = statusContent.count
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if isContentWarningComposing {
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count += contentWarningContent.count
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}
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return count
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}
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.assign(to: &$characterCount)
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#if DEBUG
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avatarImageURL = URL(string: "https://upload.wikimedia.org/wikipedia/commons/2/2c/Rotating_earth_%28large%29.gif")
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authorName = "Alice"
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authorUsername = "alice"
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#endif
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}
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}
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extension ComposeViewModel {
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func setupAttachmentViewModels(_ viewModels: [StatusAttachmentViewModel]) {
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attachmentViewModels = viewModels
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for viewModel in viewModels {
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viewModel.objectWillChange.sink { [weak self] _ in
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guard let self = self else { return }
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self.objectWillChange.send()
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}
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.store(in: &viewModel.disposeBag)
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}
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}
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func removeAttachmentViewModel(_ viewModel: StatusAttachmentViewModel) {
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if let index = attachmentViewModels.firstIndex(where: { $0 === viewModel }) {
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attachmentViewModels.remove(at: index)
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}
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}
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}
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