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@@ -0,0 +1,125 @@
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+import Foundation
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+import UIKit
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+import DcCore
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+import SDWebImage
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+
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+class NewFileTextCell: BaseMessageCell {
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+
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+ private lazy var defaultImage: UIImage = {
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+ let image = UIImage(named: "ic_attach_file_36pt")
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+ return image!
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+ }()
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+
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+ private var imageWidthConstraint: NSLayoutConstraint?
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+ private var imageHeightConstraint: NSLayoutConstraint?
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+
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+ private var horizontalLayout: Bool {
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+ set {
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+ if newValue {
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+ fileStackView.axis = .horizontal
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+ imageWidthConstraint?.isActive = true
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+ imageHeightConstraint?.isActive = true
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+ } else {
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+ fileStackView.axis = .vertical
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+ imageWidthConstraint?.isActive = false
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+ imageHeightConstraint?.isActive = false
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+ }
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+ }
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+ get {
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+ return fileStackView.axis == .horizontal
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+ }
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+ }
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+
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+ private lazy var fileStackView: UIStackView = {
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+ let stackView = UIStackView(arrangedSubviews: [fileImageView, fileMetadataStackView])
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+ stackView.axis = .horizontal
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+ stackView.spacing = 6
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+ stackView.alignment = .center
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+ return stackView
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+ }()
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+
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+ private lazy var fileImageView: UIImageView = {
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+ let imageView = UIImageView()
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+ imageView.contentMode = .scaleAspectFit
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+ return imageView
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+ }()
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+
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+ private lazy var fileMetadataStackView: UIStackView = {
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+ let stackView = UIStackView(arrangedSubviews: [fileTitle, fileSubtitle])
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+ stackView.axis = .vertical
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+ stackView.translatesAutoresizingMaskIntoConstraints = false
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+ stackView.clipsToBounds = true
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+ return stackView
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+ }()
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+
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+ private lazy var fileTitle: UILabel = {
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+ let title = UILabel()
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+ title.font = UIFont.preferredItalicFont(for: .body)
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+ title.translatesAutoresizingMaskIntoConstraints = false
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+ title.numberOfLines = 3
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+ title.lineBreakMode = .byCharWrapping
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+ return title
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+ }()
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+
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+ private lazy var fileSubtitle: UILabel = {
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+ let subtitle = UILabel()
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+ subtitle.font = UIFont.preferredItalicFont(for: .caption2)
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+ subtitle.translatesAutoresizingMaskIntoConstraints = false
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+ subtitle.numberOfLines = 1
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+ return subtitle
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+ }()
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+
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+
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+ lazy var messageLabel: UILabel = {
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+ let label = UILabel()
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+ label.translatesAutoresizingMaskIntoConstraints = false
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+ label.numberOfLines = 0
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+ label.lineBreakMode = .byWordWrapping
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+ label.setContentHuggingPriority(.defaultLow, for: .vertical)
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+ return label
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+ }()
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+
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+ override func setupSubviews() {
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+ super.setupSubviews()
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+ mainContentView.addArrangedSubview(fileStackView)
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+ mainContentView.addArrangedSubview(messageLabel)
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+ imageWidthConstraint = fileImageView.constraintWidthTo(50)
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+ imageHeightConstraint = fileImageView.constraintHeightTo(50 * 1.3)
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+ horizontalLayout = true
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+ }
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+
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+ override func prepareForReuse() {
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+ messageLabel.text = nil
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+ messageLabel.attributedText = nil
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+ fileImageView.image = nil
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+ }
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+
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+ override func update(msg: DcMsg, messageStyle: UIRectCorner, isAvatarVisible: Bool) {
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+ messageLabel.text = msg.text
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+ if let url = msg.fileURL {
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+ generateThumbnailFor(url: url, placeholder: defaultImage)
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+ } else {
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+ fileImageView.image = defaultImage
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+ horizontalLayout = true
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+ }
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+ fileTitle.text = msg.filename
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+ fileSubtitle.text = msg.getPrettyFileSize()
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+ super.update(msg: msg, messageStyle: messageStyle, isAvatarVisible: isAvatarVisible)
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+ }
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+
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+ private func generateThumbnailFor(url: URL, placeholder: UIImage?) {
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+ if let thumbnail = ThumbnailCache.shared.restoreImage(key: url.absoluteString) {
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+ fileImageView.image = thumbnail
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+ horizontalLayout = false
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+ } else if let pdfThumbnail = DcUtils.thumbnailFromPdf(withUrl: url) {
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+ fileImageView.image = pdfThumbnail
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+ horizontalLayout = false
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+ ThumbnailCache.shared.storeImage(image: pdfThumbnail, key: url.absoluteString)
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+ } else {
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+ let controller = UIDocumentInteractionController(url: url)
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+ fileImageView.image = controller.icons.first ?? placeholder
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+ horizontalLayout = true
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+ }
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+ }
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+
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+}
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cyberta