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[MarkdownAutoPreview] new markdownPreviewBuilder, textFieldBuilder and shouldInitTextField #3

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[MarkdownAutoPreview] new markdownPreviewBuilder, textFieldBuilder and shouldInitTextField #3

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33 changes: 28 additions & 5 deletions lib/widgets/markdown_auto_preview.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,9 @@ class MarkdownAutoPreview extends StatefulWidget {
this.expands = false,
this.decoration = const InputDecoration(isDense: true),
this.hintText,
this.markdownPreviewBuilder,
this.textFieldBuilder,
this.shouldInitTextField = false,
});

/// Markdown syntax to reset the field to
Expand All @@ -47,6 +50,16 @@ class MarkdownAutoPreview extends StatefulWidget {
/// if false, toolbar widget will not display
final bool enableToolBar;

/// Override the default markdown preview
final Widget Function(String data)? markdownPreviewBuilder;

/// Override the default text field
final Widget Function(TextEditingController controller, FocusNode focusNode)?
textFieldBuilder;

/// If true by default, the TextField is shown
final bool shouldInitTextField;

/// Enable Emoji options
///
/// if false, Emoji selection widget will not be displayed
Expand Down Expand Up @@ -215,6 +228,7 @@ class _MarkdownAutoPreviewState extends State<MarkdownAutoPreview> {
},
);

_focused = widget.shouldInitTextField;
super.initState();
}

Expand Down Expand Up @@ -271,12 +285,18 @@ class _MarkdownAutoPreviewState extends State<MarkdownAutoPreview> {
},
child: Align(
alignment: Alignment.centerLeft,
child: MarkdownBody(
key: const ValueKey<String>("zmarkdown-parse-body"),
data: _internalController.text == ""
child: Builder(builder: (context) {
final data = _internalController.text == ""
? widget.hintText ?? "_Markdown text_"
: _internalController.text,
),
: _internalController.text;
if (widget.markdownPreviewBuilder != null) {
return widget.markdownPreviewBuilder!(data);
}
return MarkdownBody(
key: const ValueKey<String>("zmarkdown-parse-body"),
data: data,
);
}),
),
),
);
Expand Down Expand Up @@ -321,6 +341,9 @@ class _MarkdownAutoPreviewState extends State<MarkdownAutoPreview> {
}

Widget _editor() {
if (widget.textFieldBuilder != null) {
return widget.textFieldBuilder!(_internalController, _textFieldFocusNode);
}
return TextField(
controller: _internalController,
focusNode: _textFieldFocusNode,
Expand Down