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[flutter_markdown] Pass parent TextStyle down to MarkdownElementBuilder.visitElementAfter #3281

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IchordeDionysos wants to merge 8 commits into from
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[flutter_markdown] Pass parent TextStyle down to MarkdownElementBuilder.visitElementAfter #3281

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f2e66c3
Pass parent TextStyle down to MarkdownElementBuilder.visitElementAfter
IchordeDionysos Feb 23, 2023
8f6047d
Add BuildContext to the visitElementAfter method
IchordeDionysos Feb 24, 2023
f3770fc
Update builder.dart
IchordeDionysos Feb 24, 2023
de053eb
Make it a non-breaking change
IchordeDionysos Mar 7, 2023
22c6b16
Use underscore instead
IchordeDionysos Mar 7, 2023
1315839
Bump version & changelog
IchordeDionysos Mar 7, 2023
75adc21
Add test for visitElementAfterWithContext
IchordeDionysos Mar 7, 2023
f40060b
Merge branch 'main' into task/pass-parent-to-markdown-element-builder
IchordeDionysos Mar 7, 2023
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Make it a non-breaking change
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@IchordeDionysos
IchordeDionysos committed Mar 7, 2023
commit de053eb82b034d526f1e6d184e3a893292c5c246
7 changes: 1 addition & 6 deletions packages/flutter_markdown/example/lib/demos/subscript_syntax_demo.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -147,12 +147,7 @@ class SubscriptBuilder extends MarkdownElementBuilder {
];

@override
Widget visitElementAfter(
BuildContext context,
md.Element element,
TextStyle? preferredStyle,
TextStyle? parentStyle,
) {
Widget visitElementAfter(md.Element element, TextStyle? preferredStyle) {
// We don't currently have a way to control the vertical alignment of text spans.
// See https://github.com/flutter/flutter/issues/10906#issuecomment-385723664
final String textContent = element.textContent;
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2 changes: 1 addition & 1 deletion packages/flutter_markdown/lib/src/builder.dart
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Expand Up @@ -458,7 +458,7 @@ class MarkdownBuilder implements md.NodeVisitor {
}

if (builders.containsKey(tag)) {
final Widget? child = builders[tag]!.visitElementAfter(
final Widget? child = builders[tag]!.visitElementAfterWithContext(
delegate.context,
element,
styleSheet.styles[tag],
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16 changes: 14 additions & 2 deletions packages/flutter_markdown/lib/src/widget.dart
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Expand Up @@ -80,12 +80,24 @@ abstract class MarkdownElementBuilder {
/// [parentStyle].
///
/// If you needn't build a widget, return null.
Widget? visitElementAfter(
Widget? visitElementAfterWithContext(
BuildContext context,
md.Element element,
TextStyle? preferredStyle,
TextStyle? parentStyle,
) =>
) {
return visitElementAfter(element, preferredStyle);
}

/// Called when an Element has been reached, after its children have been
/// visited.
///
/// If [MarkdownWidget.styleSheet] has a style of this tag, will passing
/// to [preferredStyle].
///
/// If you needn't build a widget, return null.
@Deprecated('Use visitElementAfterWithContext() instead.')
Widget? visitElementAfter(md.Element element, TextStyle? preferredStyle) =>
null;
}

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8 changes: 4 additions & 4 deletions packages/flutter_markdown/test/custom_syntax_test.dart
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Expand Up @@ -141,7 +141,7 @@ class SubscriptBuilder extends MarkdownElementBuilder {
];

@override
Widget visitElementAfter(BuildContext context, md.Element element, _, __) {
Widget visitElementAfter(md.Element element, TextStyle? preferredStyle) {
// We don't currently have a way to control the vertical alignment of text spans.
// See https://github.com/flutter/flutter/issues/10906#issuecomment-385723664
final String textContent = element.textContent;
Expand Down Expand Up @@ -172,7 +172,7 @@ class WikilinkSyntax extends md.InlineSyntax {

class WikilinkBuilder extends MarkdownElementBuilder {
@override
Widget visitElementAfter(BuildContext context, md.Element element, _, __) {
Widget visitElementAfter(md.Element element, TextStyle? preferredStyle) {
return RichText(
text: TextSpan(
text: element.textContent,
Expand All @@ -197,7 +197,7 @@ class ContainerSyntax extends md.InlineSyntax {

class ContainerBuilder extends MarkdownElementBuilder {
@override
Widget? visitElementAfter(BuildContext context, md.Element element, _, __) {
Widget? visitElementAfter(md.Element element, TextStyle? preferredStyle) {
return RichText(
text: TextSpan(
children: <InlineSpan>[
Expand All @@ -212,7 +212,7 @@ class ContainerBuilder extends MarkdownElementBuilder {

class ContainerBuilder2 extends MarkdownElementBuilder {
@override
Widget? visitElementAfter(BuildContext context, md.Element element, _, __) {
Widget? visitElementAfter(md.Element element, TextStyle? preferredStyle) {
return RichText(
text: TextSpan(
children: <InlineSpan>[
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