2022-08-06 16:46:31 +00:00
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import 'package:flutter/material.dart';
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2022-08-06 20:13:12 +00:00
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import 'package:html/dom.dart' as dom;
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import 'package:html/parser.dart' as parser;
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2022-08-06 16:46:31 +00:00
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class PostTextRenderer extends StatelessWidget {
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const PostTextRenderer({
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2022-08-06 16:56:33 +00:00
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required this.htmlInput,
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Key? key,
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}) : super(key: key);
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final String htmlInput;
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@override
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Widget build(BuildContext context) {
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dom.Document document = parser.parse(htmlInput);
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final List<InlineSpan> children =
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createSpansFromDoc(document.body!.children);
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2022-08-12 19:30:58 +00:00
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return SelectableText.rich(
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TextSpan(
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style: Theme.of(context).textTheme.bodyMedium,
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text: "",
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children: children,
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),
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);
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2022-08-06 16:46:31 +00:00
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}
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}
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2022-08-06 20:13:12 +00:00
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2022-08-09 18:58:11 +00:00
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List<InlineSpan> createSpansFromDoc(List<dom.Element> elements) {
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List<InlineSpan> result = [];
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for (int i = 0; i < elements.length; i += 1) {
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final e = elements[i];
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result.add(
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getSpanForElement(
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e,
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elements.length,
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i,
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),
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);
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}
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return result;
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}
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InlineSpan getSpanForElement(dom.Element e, int bodyLength, int pos) {
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if (e.toString() == "<html p>") {
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return handleParagraph(e, bodyLength, pos);
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}
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return TextSpan(text: e.text);
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}
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InlineSpan handleParagraph(dom.Element e, int bodyLength, int pos) {
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String text = e.text;
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return WidgetSpan(
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child: Padding(
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padding: const EdgeInsets.fromLTRB(0, 4, 0, 4),
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child: SelectableText(
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text,
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),
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),
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);
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}
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