Populate a TextFormField from a Firestore document and write the edit back to the document
I'm struggling to populate a TextFormField from a Firestore String field (textBlock) and then write the edited string back to another field (newTextBlock).
I think I'm on the right track with the controller. I just need to figure out how to get the original text in there but I'm not at all sure about writing to Firestore (i.e._updateFirestore()).
Any help would be appreciated.
class _TextEditState extends State<TextEdit> {
final myController = TextEditingController(
text: 'need the string from the TextBlock field here'
);
@override
void dispose() {
myController.dispose();
super.dispose();
}
@override
void initState() {
super.initState();
myController.addListener(_updateFirestore);
}
_updateFirestore() {
String item;
Firestore.instance
.runTransaction((transaction) async {
DocumentSnapshot snapshot = await transaction
.get(Firestore.instance
.collection('texts')
.document(widget.docID));
await transaction.update(snapshot.reference, {'newTextBlock': item});
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Retrieve Text Input'),
),
body:
Container(
padding: EdgeInsets.all(30.0),
child:
StreamBuilder(
stream: Firestore.instance
.collection('texts')
.document(widget.docID)
.snapshots(),
builder: (context, snapshot) {
if(!snapshot.hasData) {
return const Text('Loading ...');
} else {
return TextFormField(
style: Styles.textDefault,
decoration: InputDecoration(
border: InputBorder.none,
),
maxLines: null,
controller: myController,
);
}
},
)
)
);
}
}
flutter google-cloud-firestore asked Nov 12 at 20:12
LeeHunter
215
add a comment |
I'm struggling to populate a TextFormField from a Firestore String field (textBlock) and then write the edited string back to another field (newTextBlock).
I think I'm on the right track with the controller. I just need to figure out how to get the original text in there but I'm not at all sure about writing to Firestore (i.e._updateFirestore()).
Any help would be appreciated.
class _TextEditState extends State<TextEdit> {
final myController = TextEditingController(
text: 'need the string from the TextBlock field here'
);
@override
void dispose() {
myController.dispose();
super.dispose();
}
@override
void initState() {
super.initState();
myController.addListener(_updateFirestore);
}
_updateFirestore() {
String item;
Firestore.instance
.runTransaction((transaction) async {
DocumentSnapshot snapshot = await transaction
.get(Firestore.instance
.collection('texts')
.document(widget.docID));
await transaction.update(snapshot.reference, {'newTextBlock': item});
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Retrieve Text Input'),
),
body:
Container(
padding: EdgeInsets.all(30.0),
child:
StreamBuilder(
stream: Firestore.instance
.collection('texts')
.document(widget.docID)
.snapshots(),
builder: (context, snapshot) {
if(!snapshot.hasData) {
return const Text('Loading ...');
} else {
return TextFormField(
style: Styles.textDefault,
decoration: InputDecoration(
border: InputBorder.none,
),
maxLines: null,
controller: myController,
);
}
},
)
)
);
}
}
asked Nov 12 at 20:12
LeeHunter
215
add a comment |
I'm struggling to populate a TextFormField from a Firestore String field (textBlock) and then write the edited string back to another field (newTextBlock).
I think I'm on the right track with the controller. I just need to figure out how to get the original text in there but I'm not at all sure about writing to Firestore (i.e._updateFirestore()).
Any help would be appreciated.
class _TextEditState extends State<TextEdit> {
final myController = TextEditingController(
text: 'need the string from the TextBlock field here'
);
@override
void dispose() {
myController.dispose();
super.dispose();
}
@override
void initState() {
super.initState();
myController.addListener(_updateFirestore);
}
_updateFirestore() {
String item;
Firestore.instance
.runTransaction((transaction) async {
DocumentSnapshot snapshot = await transaction
.get(Firestore.instance
.collection('texts')
.document(widget.docID));
await transaction.update(snapshot.reference, {'newTextBlock': item});
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Retrieve Text Input'),
),
body:
Container(
padding: EdgeInsets.all(30.0),
child:
StreamBuilder(
stream: Firestore.instance
.collection('texts')
.document(widget.docID)
.snapshots(),
builder: (context, snapshot) {
if(!snapshot.hasData) {
return const Text('Loading ...');
} else {
return TextFormField(
style: Styles.textDefault,
decoration: InputDecoration(
border: InputBorder.none,
),
maxLines: null,
controller: myController,
);
}
},
)
)
);
}
}
asked Nov 12 at 20:12
LeeHunter
215
I'm struggling to populate a TextFormField from a Firestore String field (textBlock) and then write the edited string back to another field (newTextBlock).
I think I'm on the right track with the controller. I just need to figure out how to get the original text in there but I'm not at all sure about writing to Firestore (i.e._updateFirestore()).
Any help would be appreciated.
class _TextEditState extends State<TextEdit> {
final myController = TextEditingController(
text: 'need the string from the TextBlock field here'
);
@override
void dispose() {
myController.dispose();
super.dispose();
}
@override
void initState() {
super.initState();
myController.addListener(_updateFirestore);
}
_updateFirestore() {
String item;
Firestore.instance
.runTransaction((transaction) async {
DocumentSnapshot snapshot = await transaction
.get(Firestore.instance
.collection('texts')
.document(widget.docID));
await transaction.update(snapshot.reference, {'newTextBlock': item});
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Retrieve Text Input'),
),
body:
Container(
padding: EdgeInsets.all(30.0),
child:
StreamBuilder(
stream: Firestore.instance
.collection('texts')
.document(widget.docID)
.snapshots(),
builder: (context, snapshot) {
if(!snapshot.hasData) {
return const Text('Loading ...');
} else {
return TextFormField(
style: Styles.textDefault,
decoration: InputDecoration(
border: InputBorder.none,
),
maxLines: null,
controller: myController,
);
}
},
)
)
);
}
}
asked Nov 12 at 20:12
LeeHunter
215
asked Nov 12 at 20:12
LeeHunter
215
asked Nov 12 at 20:12
LeeHunter
215
asked Nov 12 at 20:12
LeeHunter
215
asked Nov 12 at 20:12
LeeHunter
215
215
add a comment |
add a comment |
active
oldest
votes
Your Answer
StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53269410%2fpopulate-a-textformfield-from-a-firestore-document-and-write-the-edit-back-to-th%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
active
oldest
votes
active
oldest
votes
active
oldest
votes
active
oldest
votes
Thanks for contributing an answer to Stack Overflow!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Some of your past answers have not been well-received, and you're in danger of being blocked from answering.
Please pay close attention to the following guidance:
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53269410%2fpopulate-a-textformfield-from-a-firestore-document-and-write-the-edit-back-to-th%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
