internal/flutter_nested_categories
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feat(custom-header): add custom category header functionality

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This commit is contained in:
markkiepe 2024-04-03 17:15:07 +02:00
parent 65b958a3e7
commit 8a6adbbee3
2 changed files with 31 additions and 15 deletions
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15
lib/src/category.dart
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@ -7,7 +7,12 @@ import "package:flutter/widgets.dart";
class Category {
const Category({
/// The name of the category.
required this.name,
this.name,
/// Optional custom title widget for the category. This will be displayed
/// at the top of the category. If set, the text title will be ignored.
/// This will be displayed before the content of the category.
this.customTitle,
/// The content of the category. This can be anything, but is usually
/// a list of widgets.
@ -23,9 +28,13 @@ class Category {
///
/// Default is an empty list.
this.nestedCategories = const <Category>[],
});
}) : assert(
name != null || customTitle != null,
"A name or a custom title must be set",
);
final String name;
final String? name;
final Widget? customTitle;
final List<Category> nestedCategories;
final List<Widget> content;
}

31
lib/src/category_list.dart
View file

@ -212,10 +212,13 @@ class _CategoryColumnState extends State<_CategoryColumn> {
padding: EdgeInsets.zero,
),
const SizedBox(width: 8),
Text(
widget.category.name,
style: styleOfCategory,
),
if (widget.category.customTitle != null)
widget.category.customTitle!
else
Text(
widget.category.name!,
style: styleOfCategory,
),
],
),
);
@ -223,15 +226,19 @@ class _CategoryColumnState extends State<_CategoryColumn> {
Widget _buildNonCollapsibleHeader(TextStyle styleOfCategory) =>
widget.headerCentered
? Center(
child: Text(
widget.category.name,
style: styleOfCategory,
),
child: widget.category.customTitle != null
? widget.category.customTitle!
: Text(
widget.category.name!,
style: styleOfCategory,
),
)
: Text(
widget.category.name,
style: styleOfCategory,
);
: widget.category.customTitle != null
? widget.category.customTitle!
: Text(
widget.category.name!,
style: styleOfCategory,
);
Widget _buildNestedCategoryList() => CategoryList(
content: widget.category.nestedCategories,