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refactor: use contant variable

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This commit is contained in:
Vincent Chan 2022-08-04 10:41:07 +08:00
parent 7ef053eb0d
commit 061168bd82
1 changed files with 29 additions and 17 deletions
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46
frontend/app_flowy/packages/flowy_editor/lib/infra/html_converter.dart
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@ -7,6 +7,18 @@ import 'package:flutter/foundation.dart';
import 'package:html/parser.dart' show parse;
import 'package:html/dom.dart' as html;
const String tagH1 = "h1";
const String tagH2 = "h2";
const String tagH3 = "h3";
const String tagUnorderedList = "ul";
const String tagList = "li";
const String tagParagraph = "p";
const String tagImage = "img";
const String tagAnchor = "a";
const String tagBold = "b";
const String tagStrong = "strong";
const String tagSpan = "span";
class HTMLConverter {
final html.Document _document;
@ -19,10 +31,10 @@ class HTMLConverter {
final childNodes = _document.body?.nodes.toList() ?? <html.Node>[];
for (final child in childNodes) {
if (child is html.Element) {
if (child.localName == "a" ||
child.localName == "span" ||
child.localName == "strong" ||
child.localName == "b") {
if (child.localName == tagAnchor ||
child.localName == tagSpan ||
child.localName == tagStrong ||
child.localName == tagBold) {
_handleRichTextElement(delta, child);
} else {
_handleElement(result, child);
@ -40,17 +52,17 @@ class HTMLConverter {
}
_handleElement(List<Node> nodes, html.Element element) {
if (element.localName == "h1") {
_handleHeadingElement(nodes, element, "h1");
} else if (element.localName == "h2") {
_handleHeadingElement(nodes, element, "h2");
} else if (element.localName == "h3") {
_handleHeadingElement(nodes, element, "h3");
} else if (element.localName == "ul") {
if (element.localName == tagH1) {
_handleHeadingElement(nodes, element, tagH1);
} else if (element.localName == tagH2) {
_handleHeadingElement(nodes, element, tagH2);
} else if (element.localName == tagH3) {
_handleHeadingElement(nodes, element, tagH3);
} else if (element.localName == tagUnorderedList) {
_handleUnorderedList(nodes, element);
} else if (element.localName == "li") {
} else if (element.localName == tagList) {
_handleListElement(nodes, element);
} else if (element.localName == "p") {
} else if (element.localName == tagParagraph) {
_handleParagraph(nodes, element);
} else {
final delta = Delta();
@ -89,17 +101,17 @@ class HTMLConverter {
}
_handleRichTextElement(Delta delta, html.Element element) {
if (element.localName == "span") {
if (element.localName == tagSpan) {
delta.insert(element.text,
_getDeltaAttributesFromHtmlAttributes(element.attributes));
} else if (element.localName == "a") {
} else if (element.localName == tagAnchor) {
final hyperLink = element.attributes["href"];
Map<String, dynamic>? attributes;
if (hyperLink != null) {
attributes = {"href": hyperLink};
}
delta.insert(element.text, attributes);
} else if (element.localName == "strong" || element.localName == "b") {
} else if (element.localName == tagStrong || element.localName == tagBold) {
delta.insert(element.text, {"bold": true});
} else {
delta.insert(element.text);
@ -107,7 +119,7 @@ class HTMLConverter {
}
_handleRichText(List<Node> nodes, html.Element element) {
final image = element.querySelector("img");
final image = element.querySelector(tagImage);
if (image != null) {
_handleImage(nodes, image);
return;