95 lines
2.6 KiB
Dart
95 lines
2.6 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:photos/utils/dialog_util.dart';
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class ChangeCollectionNameDialog extends StatefulWidget {
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final String name;
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const ChangeCollectionNameDialog({Key key, this.name}) : super(key: key);
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@override
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_ChangeCollectionNameDialogState createState() =>
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_ChangeCollectionNameDialogState();
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}
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class _ChangeCollectionNameDialogState
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extends State<ChangeCollectionNameDialog> {
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String _newCollectionName;
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@override
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void initState() {
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super.initState();
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_newCollectionName = widget.name;
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}
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@override
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Widget build(BuildContext context) {
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return AlertDialog(
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title: Text("enter a new name"),
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content: SingleChildScrollView(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.start,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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TextFormField(
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decoration: InputDecoration(
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hintText: 'album name',
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hintStyle: TextStyle(
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color: Colors.white30,
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),
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contentPadding: EdgeInsets.all(12),
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),
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onChanged: (value) {
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setState(() {
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_newCollectionName = value;
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});
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},
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autocorrect: false,
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keyboardType: TextInputType.text,
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initialValue: _newCollectionName,
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autofocus: true,
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),
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],
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),
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),
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actions: [
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TextButton(
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child: Text(
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"cancel",
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style: TextStyle(
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color: Colors.redAccent,
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),
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),
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onPressed: () {
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Navigator.of(context).pop(null);
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},
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),
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TextButton(
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child: Text(
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"rename",
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style: TextStyle(
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color: Colors.white,
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),
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),
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onPressed: () {
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if (_newCollectionName.trim().isEmpty) {
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showErrorDialog(
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context, "empty name", "album name cannot be empty");
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return;
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}
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if (_newCollectionName.trim().length > 100) {
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showErrorDialog(context, "name too large",
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"album name should be less than 100 characters");
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return;
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}
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if (_newCollectionName.trim() == widget.name.trim()) {
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Navigator.of(context).pop(null);
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return;
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}
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Navigator.of(context).pop(_newCollectionName.trim());
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},
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),
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],
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);
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}
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}
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