608e679723
* Begin implementing DesignKit package. * Use element-design-tokens repo. * Rename Fonts to align with Colours.
126 lines
4.2 KiB
Swift
126 lines
4.2 KiB
Swift
//
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// Copyright 2021 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import SwiftUI
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import DesignTokens
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import Introspect
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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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public struct BorderedInputFieldStyle: TextFieldStyle {
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@Environment(\.isEnabled) var isEnabled
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@Environment(\.colorScheme) var colorScheme
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public var isEditing: Bool
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public var isError: Bool
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private var borderColor: Color {
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if isError {
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return .element.alert
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} else if isEditing {
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return .element.accent
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} else {
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return .element.quinaryContent
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}
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}
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private var accentColor: Color {
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if isError {
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return .element.alert
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}
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return .element.accent
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}
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private var textColor: Color {
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if colorScheme == .dark {
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return isEnabled ? .element.primaryContent : .element.tertiaryContent
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} else {
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return isEnabled ? .element.primaryContent : .element.quaternaryContent
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}
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}
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private var backgroundColor: Color {
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if !isEnabled && colorScheme == .dark {
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return .element.quinaryContent
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}
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return .element.background
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}
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private var placeholderColor: Color {
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return .element.tertiaryContent
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}
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private var borderWidth: CGFloat {
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return isEditing || isError ? 2.0 : 1.5
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}
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public init(isEditing: Bool = false, isError: Bool = false) {
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self.isEditing = isEditing
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self.isError = isError
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}
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public 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(.element.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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public struct BorderedInputFieldStyle_Previews: PreviewProvider {
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public static var states: some View {
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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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}
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public static var previews: some View {
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Group {
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states
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.preferredColorScheme(.light)
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states
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.preferredColorScheme(.dark)
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}
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}
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}
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