1 files changed, 157 insertions, 0 deletions
diff --git a/lib/console.dart b/lib/console.dart
new file mode 100755
index 0000000..e5bbc8b
--- /dev/null
+++ b/lib/console.dart
@@ -0,0 +1,157 @@
+import 'package:flutter/material.dart';
+
+class ConsoleEntry {
+  final String text;
+  final bool generatedByRuntime;
+  final DateTime timeGenerated;
+
+  ConsoleEntry({
+    required this.text,
+    required this.generatedByRuntime,
+    required this.timeGenerated,
+  });
+}
+
+class _ConsoleFilter extends StatelessWidget {
+  const _ConsoleFilter(this.filter, {required this.onChanged});
+
+  final String filter;
+  final Function(String filter) onChanged;
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      children: [
+        Expanded(
+          child: Padding(
+            padding: const EdgeInsets.only(bottom: 3),
+            child: TextFormField(
+              autocorrect: false,
+              enableSuggestions: false,
+              onChanged: onChanged,
+              style: const TextStyle(fontSize: 12),
+              decoration: const InputDecoration(
+                contentPadding: EdgeInsets.all(6),
+                labelText: "Filter: ",
+              ),
+            ),
+          ),
+        ),
+        const SizedBox(width: 16),
+        const Text("Console entries are only kept for several seconds"),
+      ],
+    );
+  }
+}
+
+class _ConsoleLine extends StatelessWidget {
+  const _ConsoleLine(
+    this.text, {
+    required this.runtime,
+    required this.time,
+  });
+
+  final String text;
+  final bool runtime;
+  final DateTime time;
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 3),
+      child: DecoratedBox(
+        decoration: BoxDecoration(
+            color: this.runtime
+                ? Colors.blue.shade900.withAlpha(128)
+                : Colors.purple.shade900.withAlpha(128),
+            borderRadius: const BorderRadius.all(Radius.circular(4)),
+            border: Border.all(
+              color: this.runtime ? Colors.blue.shade700 : Colors.purple.shade700,
+              width: 3,
+            )),
+        child: Padding(
+          padding: const EdgeInsets.all(6),
+          child: Row(
+            children: [
+              Text(this.runtime ? "Runtime" : "Editor"),
+              Expanded(
+                child: Padding(
+                  padding: const EdgeInsets.symmetric(horizontal: 16),
+                  child: Text(
+                    this.text,
+                    style: const TextStyle(fontFamily: 'Consolas'),
+                  ),
+                ),
+              ),
+              Text(
+                  "${this.time.hour.toString().padLeft(2, '0')}:${this.time.minute.toString().padLeft(2, '0')}")
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class ConsolePage extends StatefulWidget {
+  final List<ConsoleEntry> entries;
+  final void Function(String) messageFn;
+
+  const ConsolePage(this.entries, this.messageFn, {super.key});
+
+  @override
+  State<ConsolePage> createState() => _ConsolePageState();
+}
+
+class _ConsolePageState extends State<ConsolePage> {
+  String filter = "";
+
+  @override
+  Widget build(BuildContext context) {
+    final controller = TextEditingController();
+    final filteredMessages =
+        this.widget.entries.where((e) => e.text.contains(this.filter)).toList();
+
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(20),
+        child: Column(children: [
+          _ConsoleFilter(
+            filter,
+            onChanged: (newFilter) => this.setState(() => this.filter = newFilter),
+          ),
+          Expanded(
+            child: ListView.builder(
+              reverse: true,
+              itemCount: filteredMessages.length,
+              prototypeItem: _ConsoleLine(
+                "Loading...",
+                runtime: false,
+                time: DateTime(1970),
+              ),
+              itemBuilder: (context, index) {
+                final entry = filteredMessages[filteredMessages.length - index - 1];
+                return _ConsoleLine(
+                  entry.text,
+                  runtime: entry.generatedByRuntime,
+                  time: entry.timeGenerated,
+                );
+              },
+            ),
+          ),
+          TextField(
+            autocorrect: false,
+            enableSuggestions: false,
+            style: const TextStyle(fontFamily: 'Consolas'),
+            controller: controller,
+            decoration: const InputDecoration(hintText: "Send a console message to the runtime"),
+            onSubmitted: (message) {
+              this.widget.messageFn(message);
+              controller.clear();
+            },
+          ),
+        ]),
+      ),
+    );
+  }
+}