flutter/GitJournal
1
0
Fork 0
mirror of https://github.com/GitJournal/GitJournal.git synced 2025-06-29 18:38:36 +08:00
Code Issues Packages Projects Releases Wiki Activity

AutoComplete Experiment: Show overlay when editing text in the middle

Browse Source
This commit is contained in:
Vishesh Handa
2020-12-02 10:28:07 +01:00
parent 6c5767e2b6
commit e6ddf43792
1 changed files with 31 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
lib/main_autocomplete.dart
View File

@ -34,9 +34,24 @@ class _MyHomePageState extends State<MyHomePage> {
GlobalKey _textFieldKey = GlobalKey();
TextStyle _textFieldStyle = const TextStyle(fontSize: 20);
TextEditingController _textController;
@override
void initState() {
super.initState();
_textController = TextEditingController();
_textController.addListener(() {
var selection = _textController.selection;
var cursorPos = selection.baseOffset;
var text = _textController.text;
var nextText = text.substring(0, cursorPos);
print('newText: $nextText');
if (nextText.endsWith('[[')) {
showOverlaidTag(context, nextText);
}
});
}
// Code reference for overlay logic from MTECHVIRAL's video
@ -105,19 +120,17 @@ class _MyHomePageState extends State<MyHomePage> {
title: Text(widget.title),
),
body: Center(
child: Container(
child: TextField(
focusNode: _focusNode,
key: _textFieldKey,
style: _textFieldStyle,
maxLines: null,
onChanged: (String nextText) {
if (nextText.endsWith('[[')) {
showOverlaidTag(context, nextText);
}
},
child: SingleChildScrollView(
child: Container(
child: TextField(
controller: _textController,
focusNode: _focusNode,
key: _textFieldKey,
style: _textFieldStyle,
maxLines: null,
),
width: 400.0,
),
width: 400.0,
),
),
);
@ -142,3 +155,9 @@ class _EditorState extends State<Editor> {
// https://pub.dev/packages/flutter_typeahead
// https://stackoverflow.com/questions/59243627/flutter-how-to-get-the-coordinates-of-the-cursor-in-a-textfield
// Bug 2: Autocompletion box overlays the bottom nav bar
// Bug 3: On Pressing Enter the Overlay should disappear
// Bug 4: On Deleting the prefix buttons it should also disappear
// Bug 5: Overlay disappears too fast
// Bug 6: When writing a text which has '[[Hell' it doesn't show the autocompletion