Custom TextField

Author: naibaf-1

lib/code_judge_edit_text.dart

@@ -0,0 +1,120 @@
+/// Copyright 2026 Fabian Roland (naibaf-1)
+
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+
+/// http://www.apache.org/licenses/LICENSE-2.0
+
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+library;
+
+import 'package:flutter/material.dart';
+
+// Customised TextField
+class CodeJudgeEditText extends StatefulWidget {
+  final bool multiline;
+  final bool autocorrect;
+  final bool suggestions;
+  final bool autofocus;
+  final TextInputType textInputType;
+  final String hint;
+  final ValueChanged<String>? onInputDone;
+  final String? text;
+
+  const CodeJudgeEditText({
+    super.key,
+    required this.hint,
+    this.multiline = true,
+    this.suggestions = false,
+    this.autocorrect = false,
+    this.autofocus = true,
+    this.textInputType = TextInputType.text,
+    this.onInputDone,
+    this.text,
+  });
+
+  @override
+  State<CodeJudgeEditText> createState() => _CodeJudgeEditTextState();
+}
+
+class _CodeJudgeEditTextState extends State<CodeJudgeEditText> {
+  late TextEditingController controller;
+  late FocusNode focusNode;
+  late String lastValue;
+
+  @override
+  void initState() {
+    super.initState();
+    // Apply the controller
+    controller = TextEditingController(text: widget.text);
+    // Cursor at the end
+    controller.selection = TextSelection.fromPosition(TextPosition(offset: controller.text.length));
+
+    // Apply the FocusNode
+    focusNode = FocusNode();
+
+    lastValue = controller.text.trim();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final int? maxLines = widget.multiline ? null : 1;
+
+    return TextField(
+      controller: controller,
+      autocorrect: widget.autocorrect,
+      enableSuggestions: widget.suggestions,
+      autofocus: widget.autofocus,
+      maxLines: maxLines,
+      textInputAction: widget.multiline ? TextInputAction.newline : TextInputAction.done,
+      decoration: InputDecoration(
+        hintText: widget.hint,
+        filled: true,
+        fillColor: Theme.of(context).colorScheme.surface,
+        contentPadding: const EdgeInsets.symmetric(horizontal: 8, vertical: 12),
+        enabledBorder: OutlineInputBorder(
+          borderRadius: BorderRadius.circular(8),
+          borderSide: BorderSide(color: Theme.of(context).colorScheme.outline, width: 1),
+        ),
+        focusedBorder: OutlineInputBorder(
+          borderRadius: BorderRadius.circular(8),
+          borderSide: BorderSide(color: Theme.of(context).colorScheme.primary, width: 2),
+        ),
+        hintStyle: TextStyle(color: Theme.of(context).hintColor),
+      ),
+      // Pefrom something everytime something changed
+      onChanged: (value) {
+        if (value != lastValue) {
+          lastValue  = value;
+          widget.onInputDone?.call(value);
+        }
+      },
+    );
+  }
+
+  @override
+  void didUpdateWidget(covariant CodeJudgeEditText oldWidget) {
+    super.didUpdateWidget(oldWidget);
+
+    // Update the displayed text
+    if (oldWidget.text != widget.text) {
+      controller.text = widget.text ?? "";
+      controller.selection = TextSelection.fromPosition(
+        TextPosition(offset: controller.text.length),
+      );
+    }
+  }
+
+  @override
+  void dispose() {
+    // Close everything
+    focusNode.dispose();
+    controller.dispose();
+    super.dispose();
+  }
+}