105 lines
2.8 KiB
Dart
105 lines
2.8 KiB
Dart
import 'package:flutter/material.dart';
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class MoodTextAreaWidget extends StatefulWidget {
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final String initialText;
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final bool isDisabled;
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final bool hasPrefix;
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final bool autoFocus;
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final bool forceBlinkingCursor;
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final TextEditingController? controller;
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const MoodTextAreaWidget({
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Key? key,
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this.initialText = '',
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this.isDisabled = false,
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this.hasPrefix = false,
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this.autoFocus = false,
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this.forceBlinkingCursor = false,
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this.controller,
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}) : super(key: key);
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@override
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State<MoodTextAreaWidget> createState() => _MoodTextAreaWidget();
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}
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class _MoodTextAreaWidget extends State<MoodTextAreaWidget> {
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late TextEditingController _controller;
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final FocusNode _focusNode = FocusNode();
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late bool _isEditingEnabled;
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@override
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void initState() {
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super.initState();
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//String initialText = widget.hasPrefix ? 'why? ' + widget.initialText : widget.initialText;
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_controller = widget.controller ?? TextEditingController(text: widget.hasPrefix ? 'why? ${widget.initialText}' : widget.initialText);
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_isEditingEnabled = !widget.isDisabled;
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_focusNode.addListener(() {
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if (!_focusNode.hasFocus) {
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setState(() {
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// Remove cursor when focus is lost
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if (!widget.forceBlinkingCursor) {
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_controller.text = _controller.text.replaceAll('|', '');
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}
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});
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}
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});
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if (widget.autoFocus) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (_isEditingEnabled) {
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_focusNode.requestFocus();
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}
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});
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}
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}
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void enableEditing() {
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setState(() {
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_isEditingEnabled = true;
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_focusNode.requestFocus();
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});
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}
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void disableEditing() {
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setState(() {
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_isEditingEnabled = false;
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_focusNode.unfocus();
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});
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}
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@override
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Widget build(BuildContext context) {
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if (!_isEditingEnabled) _controller.text = widget.initialText;
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return TextField(
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controller: _controller,
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focusNode: _focusNode,
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keyboardType: TextInputType.multiline,
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maxLines: null,
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enabled: _isEditingEnabled,
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cursorColor: widget.forceBlinkingCursor ? Colors.black : Colors.transparent,
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style: const TextStyle(color: Colors.black, fontSize: 18),
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decoration: const InputDecoration(
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border: InputBorder.none,
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),
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onChanged: (value) {
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if (widget.hasPrefix && !value.startsWith('warum? ')) {
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_controller.text = _isEditingEnabled ? 'warum? $value' : value;
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_controller.selection = TextSelection.fromPosition(
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TextPosition(offset: _controller.text.length),
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);
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}
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},
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);
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}
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@override
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void dispose() {
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if (widget.controller == null) {
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_controller.dispose();
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}
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_focusNode.dispose();
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super.dispose();
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}
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}
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