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Implement the most basic search functionality

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This commit is contained in:
Vishesh Handa
2019-09-25 17:00:06 +02:00
parent 383acfeff9
commit 5c47eeac59
1 changed files with 80 additions and 3 deletions
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83
lib/screens/home_screen.dart
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@ -1,5 +1,6 @@
import 'package:badges/badges.dart';
import 'package:flutter/material.dart';
import 'package:journal/note.dart';
import 'package:journal/apis/git.dart';
import 'package:journal/screens/note_editor.dart';
import 'package:journal/screens/note_viewer.dart';
@ -26,9 +27,9 @@ class HomeScreen extends StatelessWidget {
noteSelectedFunction: (noteIndex) {
var route = MaterialPageRoute(
builder: (context) => NoteBrowsingScreen(
notes: appState.notes,
noteIndex: noteIndex,
),
notes: appState.notes,
noteIndex: noteIndex,
),
);
Navigator.of(context).push(route);
},
@ -50,6 +51,17 @@ class HomeScreen extends StatelessWidget {
appBar: AppBar(
title: Text('GitJournal'),
leading: appBarMenuButton,
actions: <Widget>[
IconButton(
icon: Icon(Icons.search),
onPressed: () {
showSearch(
context: context,
delegate: NoteSearch(),
);
},
)
],
),
floatingActionButton: createButton,
body: Center(
@ -74,3 +86,68 @@ class HomeScreen extends StatelessWidget {
Navigator.of(context).push(route);
}
}
class NoteSearch extends SearchDelegate<Note> {
@override
List<Widget> buildActions(BuildContext context) {
return [
IconButton(
icon: Icon(Icons.close),
onPressed: () {
query = '';
},
),
];
}
@override
Widget buildLeading(BuildContext context) {
return IconButton(
icon: Icon(Icons.arrow_back),
onPressed: () {
close(context, null);
},
);
}
@override
Widget buildResults(BuildContext context) {
return buildJournalList(context, query);
}
@override
Widget buildSuggestions(BuildContext context) {
if (query.isEmpty) {
return Container();
}
return buildJournalList(context, query);
}
JournalList buildJournalList(BuildContext context, String query) {
final container = StateContainer.of(context);
final appState = container.appState;
// TODO: This should be made far more efficient
List<Note> filteredNotes = [];
var q = query.toLowerCase();
appState.notes.forEach((note) {
if (note.body.toLowerCase().contains(query)) {
filteredNotes.add(note);
}
});
Widget journalList = JournalList(
notes: filteredNotes,
noteSelectedFunction: (noteIndex) {
var route = MaterialPageRoute(
builder: (context) => NoteBrowsingScreen(
notes: filteredNotes,
noteIndex: noteIndex,
),
);
Navigator.of(context).push(route);
},
);
return journalList;
}
}