element-ios/RiotSwiftUI/Modules/Common/Util/RoundedBorderTextField.swift

134 lines
5.3 KiB
Swift

//
// Copyright 2021-2024 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only
// Please see LICENSE in the repository root for full details.
//
import SwiftUI
struct RoundedBorderTextField: View {
// MARK: - Properties
var title: String?
let placeHolder: String
@Binding var text: String
var footerText: String?
var isError = false
var isFirstResponder = false
var configuration = UIKitTextInputConfiguration()
@State var isSecureTextVisible = false
var onTextChanged: ((String) -> Void)?
var onEditingChanged: ((Bool) -> Void)?
var onCommit: (() -> Void)?
// MARK: Private
@State private var isEditing = false
@Environment(\.theme) private var theme: ThemeSwiftUI
@Environment(\.isEnabled) private var isEnabled
// MARK: Public
var body: some View {
VStack(alignment: .leading, spacing: -1) {
if let title = self.title {
Text(title)
.foregroundColor(theme.colors.primaryContent)
.font(theme.fonts.subheadline)
.multilineTextAlignment(.leading)
.padding(.bottom, 8)
}
ZStack(alignment: .leading) {
if text.isEmpty {
Text(placeHolder)
.font(theme.fonts.callout)
.foregroundColor(theme.colors.tertiaryContent)
.lineLimit(1)
.accessibilityHidden(true)
}
ThemableTextField(placeholder: "",
text: $text,
configuration: configuration,
isSecureTextVisible: $isSecureTextVisible) { isEditing in
self.isEditing = isEditing
onEditingChanged?(isEditing)
} onCommit: {
onCommit?()
}
.makeFirstResponder(isFirstResponder)
.addButton(isEnabled)
.onChange(of: text) { newText in
onTextChanged?(newText)
}
.frame(height: 30)
.allowsHitTesting(isEnabled)
.opacity(isEnabled ? 1 : 0.5)
.accessibilityLabel(text.isEmpty ? placeHolder : "")
}
.padding(EdgeInsets(top: 8, leading: 8, bottom: 8, trailing: text.isEmpty ? 8 : 0))
.background(RoundedRectangle(cornerRadius: 8).fill(theme.colors.background))
.overlay(RoundedRectangle(cornerRadius: 8).stroke(borderColor, lineWidth: borderWidth))
if let footerText = self.footerText {
Text(footerText)
.foregroundColor(isError ? theme.colors.alert : theme.colors.tertiaryContent)
.font(theme.fonts.footnote)
.multilineTextAlignment(.leading)
.padding(.top, 8)
.transition(.opacity)
}
}
.animation(.easeOut(duration: 0.2))
}
/// The text field's border color.
private var borderColor: Color {
if isEditing {
return theme.colors.accent
} else if footerText != nil, isError {
return theme.colors.alert
} else {
return theme.colors.quinaryContent
}
}
/// The text field's border width.
private var borderWidth: CGFloat {
isEditing || (footerText != nil && isError) ? 2 : 1
}
}
// MARK: - Previews
struct TextFieldWithError_Previews: PreviewProvider {
static var previews: some View {
Group {
sampleView.theme(.light).preferredColorScheme(.light)
sampleView.theme(.dark).preferredColorScheme(.dark)
}
.padding()
}
static var sampleView: some View {
VStack(alignment: .center, spacing: 20) {
RoundedBorderTextField(title: "A title", placeHolder: "A placeholder", text: .constant(""), footerText: nil, isError: false)
RoundedBorderTextField(placeHolder: "A placeholder", text: .constant("Some text"), footerText: nil, isError: false)
RoundedBorderTextField(title: "A title", placeHolder: "A placeholder", text: .constant("Some very long text used to check overlapping with the delete button"), footerText: "Some error text", isError: true)
RoundedBorderTextField(title: "A title", placeHolder: "A placeholder", text: .constant("Some very long text used to check overlapping with the delete button"), footerText: "Some normal text", isError: false)
RoundedBorderTextField(title: "A title", placeHolder: "A placeholder", text: .constant("Some very long text used to check overlapping with the delete button"), footerText: "Some normal text", isError: false)
.disabled(true)
Spacer().frame(height: 0)
RoundedBorderTextField(title: "Password", placeHolder: "Enter your password", text: .constant(""), configuration: UIKitTextInputConfiguration(isSecureTextEntry: true))
RoundedBorderTextField(title: "Password", placeHolder: "Enter your password", text: .constant("password"), configuration: UIKitTextInputConfiguration(isSecureTextEntry: true))
}
}
}