flutter_searchbox 1.0.0-alpha

Flutter Searchbox provides declarative API to query Elasticsearch, and bind UI widgets with different types of search queries. As the name suggests, it provides a default UI widget for searchbox.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:searchbase/searchbase.dart';
import 'package:flutter_searchbox/flutter_searchbox.dart';
import 'results.dart';
import 'author_filter.dart';

void main() {
  runApp(FlutterSearchBoxApp());
}

class FlutterSearchBoxApp extends StatelessWidget {
  final SearchBase searchbase;
  final index = 'good-books-ds';
  final credentials = 'a03a1cb71321:75b6603d-9456-4a5a-af6b-a487b309eb61';
  final url = 'https://arc-cluster-appbase-demo-6pjy6z.searchbase.io';

  FlutterSearchBoxApp({Key key, this.searchbase}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    // The SearchBaseProvider should wrap your MaterialApp or WidgetsApp. This will
    // ensure all routes have access to the store.
    return SearchBaseProvider(
      // Pass the searchbase instance to the SearchBaseProvider. Any ancestor `SearchWidgetConnector`
      // Widgets will find and use this value as the `SearchWidget`.
      searchbase: SearchBase(index, url, credentials,
          appbaseConfig: AppbaseSettings(recordAnalytics: true)),
      child: MaterialApp(
        title: "SearchBox Demo",
        theme: ThemeData(
          primarySwatch: Colors.blue,
          visualDensity: VisualDensity.adaptivePlatformDensity,
        ),
        home: HomePage(),
      ),
    );
  }
}

class HomePage extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'SearchBox Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: Scaffold(
          appBar: AppBar(
            actions: <Widget>[
              IconButton(
                  icon: Icon(Icons.search),
                  onPressed: () {
                    // Invoke the Search Delegate to display search UI with autosuggestions
                    showSearch(
                        context: context,
                        // SearchBox widget from flutter searchbox
                        delegate: SearchBox(
                          // A unique identifier that can be used by other widgetss to reactively update data
                          id: 'search-widget',
                          enableRecentSearches: true,
                          enablePopularSuggestions: true,
                          showAutoFill: true,
                          maxPopularSuggestions: 3,
                          size: 10,
                          dataField: [
                            {'field': 'original_title', 'weight': 1},
                            {'field': 'original_title.search', 'weight': 3}
                          ],
                        ));
                  }),
            ],
            title: Text('SearchBox Demo'),
          ),
          body: Center(
            // A custom UI widget to render a list of results
            child: SearchWidgetConnector(
                id: 'result-widget',
                dataField: 'original_title',
                react: {
                  'and': ['search-widget', 'author-filter'],
                },
                size: 10,
                triggerQueryOnInit: true,
                preserveResults: true,
                builder: (context, searchWidget) =>
                    ResultsWidget(searchWidget)),
          ),
          // A custom UI widget to render a list of authors
          drawer: SearchWidgetConnector(
            id: 'author-filter',
            type: QueryType.term,
            dataField: "authors.keyword",
            size: 10,
            // Initialize with default value
            value: List<String>(),
            react: {
              'and': ['search-widget']
            },
            builder: (context, searchWidget) {
              // Call searchWidget's query at first time
              if (searchWidget.query == null) {
                searchWidget.triggerDefaultQuery();
              }
              return AuthorFilter(searchWidget);
            },
            // Avoid fetching query for each open/close action instead call it manually
            triggerQueryOnInit: false,
            // Do not remove the search widget's instance after unmount
            destroyOnDispose: false,
          )),
    );
  }
}