Files
letro-ios/ElementX/Sources/Screens/RoomScreen/View/Timeline/FormattedBodyText.swift
2022-07-06 16:01:50 +01:00

81 lines
2.7 KiB
Swift

//
// FormattedBodyText.swift
// ElementX
//
// Created by Stefan Ceriu on 24/03/2022.
// Copyright © 2022 Element. All rights reserved.
//
import Foundation
import SwiftUI
struct FormattedBodyText: View {
let attributedComponents: [AttributedStringBuilderComponent]
var body: some View {
VStack(alignment: .leading, spacing: 8.0) {
ForEach(attributedComponents, id: \.self) { component in
if component.isBlockquote {
HStack(spacing: 4.0) {
Rectangle()
.foregroundColor(Color.red)
.frame(width: 4.0)
Text(component.attributedString)
.fixedSize(horizontal: false, vertical: true)
.foregroundColor(.element.primaryContent)
}
} else {
Text(component.attributedString)
.fixedSize(horizontal: false, vertical: true)
.foregroundColor(.element.primaryContent)
}
}
}
.tint(.element.accent)
}
}
struct FormattedBodyText_Previews: PreviewProvider {
static var previews: some View {
body.preferredColorScheme(.light)
body.preferredColorScheme(.dark)
}
@ViewBuilder
static var body: some View {
let htmlStrings = [
"""
Text before blockquote
<blockquote>
<b>bold</b> <i>italic</i>
</blockquote>
Text after blockquote
""",
"""
<blockquote>First blockquote with a <a href=\"https://www.matrix.org/\">link</a> in it</blockquote>
<blockquote>Second blockquote with a <a href=\"https://www.matrix.org/\">link</a> in it</blockquote>
<blockquote>Third blockquote with a <a href=\"https://www.matrix.org/\">link</a> in it</blockquote>
""",
"""
<code>Hello world</code>
<p>Text</p>
<code><b>Hello</b> <i>world</i></code>
<p>Text</p>
<code>Hello world</code>
"""
]
let attributedStringBuilder = AttributedStringBuilder()
VStack(alignment: .leading, spacing: 24.0) {
ForEach(htmlStrings, id: \.self) { htmlString in
let attributedString = attributedStringBuilder.fromHTML(htmlString)
if let components = attributedStringBuilder.blockquoteCoalescedComponentsFrom(attributedString) {
FormattedBodyText(attributedComponents: components)
.fixedSize()
}
}
}
}
}