121 lines
4.5 KiB
Swift
121 lines
4.5 KiB
Swift
//
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// Copyright 2021-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import Foundation
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import Introspect
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import SwiftUI
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/// A bordered style of text input
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///
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/// As defined in:
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/// https://www.figma.com/file/X4XTH9iS2KGJ2wFKDqkyed/Compound?node-id=2039%3A26415
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struct BorderedInputFieldStyle: TextFieldStyle {
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@Environment(\.theme) private var theme: ThemeSwiftUI
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@Environment(\.isEnabled) private var isEnabled: Bool
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var isEditing = false
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var isError = false
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private var borderColor: Color {
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if isError {
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return theme.colors.alert
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} else if isEditing {
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return theme.colors.accent
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}
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return theme.colors.quinaryContent
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}
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private var accentColor: Color {
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if isError {
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return theme.colors.alert
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}
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return theme.colors.accent
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}
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private var textColor: Color {
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if theme.identifier == ThemeIdentifier.dark {
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return (isEnabled ? theme.colors.primaryContent : theme.colors.tertiaryContent)
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} else {
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return (isEnabled ? theme.colors.primaryContent : theme.colors.quarterlyContent)
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}
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}
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private var backgroundColor: Color {
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if !isEnabled, theme.identifier == ThemeIdentifier.dark {
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return theme.colors.quinaryContent
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}
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return theme.colors.background
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}
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private var placeholderColor: Color {
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theme.colors.tertiaryContent
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}
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private var borderWidth: CGFloat {
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isEditing || isError ? 2.0 : 1.5
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}
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func _body(configuration: TextField<_Label>) -> some View {
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let rect = RoundedRectangle(cornerRadius: 8.0)
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return configuration
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.font(theme.fonts.callout)
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.foregroundColor(textColor)
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.accentColor(accentColor)
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.frame(height: 48.0)
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.padding(.horizontal, 8.0)
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.background(backgroundColor)
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.clipShape(rect)
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.overlay(rect.stroke(borderColor, lineWidth: borderWidth))
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.introspectTextField { textField in
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textField.returnKeyType = .done
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textField.clearButtonMode = .whileEditing
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textField.attributedPlaceholder = NSAttributedString(string: textField.placeholder ?? "",
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attributes: [NSAttributedString.Key.foregroundColor: UIColor(placeholderColor)])
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}
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}
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}
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struct BorderedInputFieldStyle_Previews: PreviewProvider {
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static var previews: some View {
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Group {
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VStack {
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TextField("Placeholder", text: .constant(""))
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.textFieldStyle(BorderedInputFieldStyle())
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TextField("Placeholder", text: .constant(""))
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.textFieldStyle(BorderedInputFieldStyle(isEditing: true))
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TextField("Placeholder", text: .constant("Web"))
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.textFieldStyle(BorderedInputFieldStyle())
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TextField("Placeholder", text: .constant("Web"))
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.textFieldStyle(BorderedInputFieldStyle(isEditing: true))
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TextField("Placeholder", text: .constant("Web"))
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.textFieldStyle(BorderedInputFieldStyle())
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.disabled(true)
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TextField("Placeholder", text: .constant("Web"))
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.textFieldStyle(BorderedInputFieldStyle(isEditing: true, isError: true))
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}
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.padding()
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VStack {
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TextField("Placeholder", text: .constant(""))
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.textFieldStyle(BorderedInputFieldStyle())
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TextField("Placeholder", text: .constant(""))
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.textFieldStyle(BorderedInputFieldStyle(isEditing: true))
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TextField("Placeholder", text: .constant("Web"))
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.textFieldStyle(BorderedInputFieldStyle())
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TextField("Placeholder", text: .constant("Web"))
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.textFieldStyle(BorderedInputFieldStyle(isEditing: true))
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TextField("Placeholder", text: .constant("Web"))
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.textFieldStyle(BorderedInputFieldStyle())
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.disabled(true)
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TextField("Placeholder", text: .constant("Web"))
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.textFieldStyle(BorderedInputFieldStyle(isEditing: true, isError: true))
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}
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.padding()
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.theme(ThemeIdentifier.dark)
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}
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}
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}
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