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