nausharipov commented on code in PR #23532:
URL: https://github.com/apache/beam/pull/23532#discussion_r990765733
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playground/frontend/lib/pages/playground/states/example_selector_state.dart:
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@@ -22,27 +22,61 @@ import
'package:playground_components/playground_components.dart';
class ExampleSelectorState with ChangeNotifier {
final PlaygroundController _playgroundController;
ExampleType _selectedFilterType;
- String _filterText;
+ String _searchText;
List<CategoryWithExamples> categories;
+ List<String> tags = [];
+ List<String> selectedTags = [];
ExampleSelectorState(
this._playgroundController,
this.categories, [
this._selectedFilterType = ExampleType.all,
- this._filterText = '',
- ]);
+ this._searchText = '',
+ ]) {
+ tags = _getTagsSortedByPopularity(categories);
+ }
ExampleType get selectedFilterType => _selectedFilterType;
- String get filterText => _filterText;
+ String get searchText => _searchText;
void setSelectedFilterType(ExampleType type) {
_selectedFilterType = type;
notifyListeners();
}
- void setFilterText(String text) {
- _filterText = text;
+ void addSelectedTag(String tag) {
+ selectedTags.add(tag);
+ notifyListeners();
+ }
+
+ void removeSelectedTag(String tag) {
+ selectedTags.remove(tag);
+ notifyListeners();
+ }
+
+ List<String> _getTagsSortedByPopularity(
+ List<CategoryWithExamples> categories,
+ ) {
+ Map<String, int> tagsPopularity = {};
+ for (var category in categories) {
+ for (var example in category.examples) {
+ for (var tag in example.tags) {
+ if (tagsPopularity[tag] != null) {
Review Comment:
Saved parentheses for readability.
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