mirror of
https://github.com/vector-im/element-ios.git
synced 2024-10-01 16:52:40 +00:00
90 lines
3.2 KiB
Swift
90 lines
3.2 KiB
Swift
|
//
|
||
|
// Copyright 2021 New Vector Ltd
|
||
|
//
|
||
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
// you may not use this file except in compliance with the License.
|
||
|
// You may obtain a copy of the License at
|
||
|
//
|
||
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
//
|
||
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
// See the License for the specific language governing permissions and
|
||
|
// limitations under the License.
|
||
|
//
|
||
|
|
||
|
import SwiftUI
|
||
|
|
||
|
@available(iOS, introduced: 14.0, deprecated: 15.0, message: "Use Text with an AttributedString instead that includes a link and handle the tap by adding an OpenURLAction to the environment.")
|
||
|
/// A `Button`, that fakes having a tappable string inside of a regular string.
|
||
|
struct InlineTextButton: View {
|
||
|
|
||
|
struct StringComponent {
|
||
|
let string: Substring
|
||
|
let isTinted: Bool
|
||
|
}
|
||
|
|
||
|
// MARK: - Properties
|
||
|
|
||
|
// MARK: Private
|
||
|
|
||
|
/// The individual components of the string.
|
||
|
private let components: [StringComponent]
|
||
|
private let action: () -> Void
|
||
|
|
||
|
|
||
|
// MARK: - Setup
|
||
|
|
||
|
/// Creates a new `InlineTextButton`.
|
||
|
/// - Parameters:
|
||
|
/// - mainText: The main text that shouldn't appear tappable. This must contain a single `%@` placeholder somewhere within.
|
||
|
/// - tappableText: The tappable text that will be substituted into the `%@` placeholder.
|
||
|
/// - action: The action to perform when tapping the button.
|
||
|
internal init(_ mainText: String, tappableText: String, action: @escaping () -> Void) {
|
||
|
guard let range = mainText.range(of: "%@") else {
|
||
|
self.components = [StringComponent(string: Substring(mainText), isTinted: false)]
|
||
|
self.action = action
|
||
|
return
|
||
|
}
|
||
|
|
||
|
let firstComponent = StringComponent(string: mainText[..<range.lowerBound], isTinted: false)
|
||
|
let middleComponent = StringComponent(string: Substring(tappableText), isTinted: true)
|
||
|
let lastComponent = StringComponent(string: mainText[range.upperBound...], isTinted: false)
|
||
|
|
||
|
self.components = [firstComponent, middleComponent, lastComponent]
|
||
|
self.action = action
|
||
|
}
|
||
|
|
||
|
// MARK: - Views
|
||
|
|
||
|
var body: some View {
|
||
|
Button(action: action) {
|
||
|
EmptyView()
|
||
|
}
|
||
|
.buttonStyle(Style(components: components))
|
||
|
.accessibilityLabel(components.map { $0.string }.joined())
|
||
|
}
|
||
|
|
||
|
struct Style: ButtonStyle {
|
||
|
let components: [StringComponent]
|
||
|
|
||
|
func makeBody(configuration: Configuration) -> some View {
|
||
|
components.reduce(Text("")) { lastValue, component in
|
||
|
lastValue + Text(component.string)
|
||
|
.foregroundColor(component.isTinted ? .accentColor.opacity(configuration.isPressed ? 0.2 : 1) : nil)
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
@available(iOS 14.0, *)
|
||
|
struct Previews_InlineButtonText_Previews: PreviewProvider {
|
||
|
static var previews: some View {
|
||
|
InlineTextButton("Hello there this is a sentence. %@.",
|
||
|
tappableText: "And this is a button",
|
||
|
action: { })
|
||
|
.padding()
|
||
|
}
|
||
|
}
|