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# Conflicts: # Session.xcodeproj/project.pbxproj # Session/Closed Groups/NewClosedGroupVC.swift # Session/Conversations/ConversationVC+Interaction.swift # Session/Conversations/Message Cells/CallMessageCell.swift # Session/Conversations/Views & Modals/JoinOpenGroupModal.swift # Session/Home/HomeVC.swift # Session/Home/New Conversation/NewDMVC.swift # Session/Home/NewConversationButtonSet.swift # Session/Meta/Translations/de.lproj/Localizable.strings # Session/Meta/Translations/en.lproj/Localizable.strings # Session/Meta/Translations/es.lproj/Localizable.strings # Session/Meta/Translations/fa.lproj/Localizable.strings # Session/Meta/Translations/fi.lproj/Localizable.strings # Session/Meta/Translations/fr.lproj/Localizable.strings # Session/Meta/Translations/hi.lproj/Localizable.strings # Session/Meta/Translations/hr.lproj/Localizable.strings # Session/Meta/Translations/id-ID.lproj/Localizable.strings # Session/Meta/Translations/it.lproj/Localizable.strings # Session/Meta/Translations/ja.lproj/Localizable.strings # Session/Meta/Translations/nl.lproj/Localizable.strings # Session/Meta/Translations/pl.lproj/Localizable.strings # Session/Meta/Translations/pt_BR.lproj/Localizable.strings # Session/Meta/Translations/ru.lproj/Localizable.strings # Session/Meta/Translations/si.lproj/Localizable.strings # Session/Meta/Translations/sk.lproj/Localizable.strings # Session/Meta/Translations/sv.lproj/Localizable.strings # Session/Meta/Translations/th.lproj/Localizable.strings # Session/Meta/Translations/vi-VN.lproj/Localizable.strings # Session/Meta/Translations/zh-Hant.lproj/Localizable.strings # Session/Meta/Translations/zh_CN.lproj/Localizable.strings # Session/Open Groups/JoinOpenGroupVC.swift # Session/Open Groups/OpenGroupSuggestionGrid.swift # Session/Settings/SettingsVC.swift # Session/Shared/BaseVC.swift # Session/Shared/OWSQRCodeScanningViewController.m # Session/Shared/ScanQRCodeWrapperVC.swift # Session/Shared/UserCell.swift # SessionMessagingKit/Configuration.swift # SessionShareExtension/SAEScreenLockViewController.swift # SessionUIKit/Style Guide/Gradients.swift # SignalUtilitiesKit/Media Viewing & Editing/OWSViewController+ImageEditor.swift # SignalUtilitiesKit/Screen Lock/ScreenLockViewController.m
94 lines
3.4 KiB
Swift
94 lines
3.4 KiB
Swift
import UIKit
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public final class TextView : UITextView, UITextViewDelegate {
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private let usesDefaultHeight: Bool
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private let height: CGFloat
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private let horizontalInset: CGFloat
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private let verticalInset: CGFloat
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private let placeholder: String
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private let onTextChange: ((String) -> Void)?
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public override var contentSize: CGSize { didSet { centerTextVertically() } }
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private lazy var placeholderLabel: UILabel = {
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let result = UILabel()
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result.font = .systemFont(ofSize: Values.smallFontSize)
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result.themeTextColor = .textSecondary
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return result
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}()
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public init(
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placeholder: String,
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usesDefaultHeight: Bool = true,
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customHeight: CGFloat? = nil,
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customHorizontalInset: CGFloat? = nil,
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customVerticalInset: CGFloat? = nil,
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onTextChange: ((String) -> Void)? = nil
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) {
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self.usesDefaultHeight = usesDefaultHeight
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self.height = customHeight ?? TextField.height
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self.horizontalInset = customHorizontalInset ?? (isIPhone5OrSmaller ? Values.mediumSpacing : Values.largeSpacing)
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self.verticalInset = customVerticalInset ?? (isIPhone5OrSmaller ? Values.smallSpacing : Values.largeSpacing)
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self.placeholder = placeholder
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self.onTextChange = onTextChange
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super.init(frame: CGRect.zero, textContainer: nil)
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self.delegate = self
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setUpStyle()
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}
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public override init(frame: CGRect, textContainer: NSTextContainer?) {
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preconditionFailure("Use init(placeholder:) instead.")
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}
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public required init?(coder: NSCoder) {
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preconditionFailure("Use init(placeholder:) instead.")
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}
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private func setUpStyle() {
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showsHorizontalScrollIndicator = false
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showsVerticalScrollIndicator = false
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font = .systemFont(ofSize: Values.smallFontSize)
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themeBackgroundColor = .clear
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themeTextColor = .textPrimary
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themeTintColor = .primary
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themeBorderColor = .borderSeparator
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layer.borderWidth = 1
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layer.cornerRadius = TextField.cornerRadius
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placeholderLabel.text = placeholder
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if usesDefaultHeight {
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set(.height, to: height)
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}
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let horizontalInset = usesDefaultHeight ? self.horizontalInset : Values.mediumSpacing
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textContainerInset = UIEdgeInsets(top: 0, left: horizontalInset, bottom: 0, right: horizontalInset)
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addSubview(placeholderLabel)
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placeholderLabel.pin(.leading, to: .leading, of: self, withInset: horizontalInset + 3) // Slight visual adjustment
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placeholderLabel.pin(.top, to: .top, of: self)
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pin(.trailing, to: .trailing, of: placeholderLabel, withInset: horizontalInset)
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pin(.bottom, to: .bottom, of: placeholderLabel)
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ThemeManager.onThemeChange(observer: self) { [weak self] theme, _ in
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switch theme.interfaceStyle {
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case .light: self?.keyboardAppearance = .light
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default: self?.keyboardAppearance = .dark
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}
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}
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}
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public func textViewDidChange(_ textView: UITextView) {
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placeholderLabel.isHidden = !text.isEmpty
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onTextChange?(textView.text ?? "")
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}
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private func centerTextVertically() {
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let topInset = max(0, (bounds.size.height - contentSize.height * zoomScale) / 2)
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contentInset = UIEdgeInsets(top: topInset, left: 0, bottom: 0, right: 0)
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}
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}
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