Custom context menu example (#1463)

* flutter create * Copied in from 'contextual-menu-examples' repo * Works again with the latest updates to the branch * Clean up anywhere example * Clean up other examples * Add to CI * Updated with release version of context menus, and added platform switcher * Generated files * Home icon on your original platform * Remove web_dashboard from ci, not sure why that change was there... * Add context_menu to beta channel, but commented out, for the future * +x permissions on the master script, which I may have accidentally changed before? * Actual bash comment * dart format * Natural default platform' * A working test, for the email page * Import order fix * Test some pages * More tests * dart format
2025-11-08 22:09:06 +00:00 · 2022-11-08 22:42:25 -08:00
parent 070ce7303a
commit 41571eae07
150 changed files with 6405 additions and 0 deletions
--- a/experimental/context_menus/lib/default_values_page.dart
+++ b/experimental/context_menus/lib/default_values_page.dart
@@ -0,0 +1,111 @@
+import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+import 'constants.dart';
+import 'platform_selector.dart';
+
+class DefaultValuesPage extends StatelessWidget {
+  DefaultValuesPage({
+    Key? key,
+    required this.onChangedPlatform,
+  }) : super(key: key);
+
+  static const String route = 'default-values';
+  static const String title = 'Default API Values Example';
+  static const String subtitle =
+      'Shows what happens when you pass various things into contextMenuBuilder.';
+
+  final PlatformCallback onChangedPlatform;
+
+  final TextEditingController _controllerNone = TextEditingController(
+    text: "When contextMenuBuilder isn't given anything at all.",
+  );
+
+  final TextEditingController _controllerNull = TextEditingController(
+    text: "When contextMenuBuilder is explicitly given null.",
+  );
+
+  final TextEditingController _controllerCustom = TextEditingController(
+    text: "When something custom is passed to contextMenuBuilder.",
+  );
+
+  static const String url = '$kCodeUrl/default_values_page.dart';
+
+  DialogRoute _showDialog(BuildContext context, String message) {
+    return DialogRoute<void>(
+      context: context,
+      builder: (BuildContext context) => AlertDialog(title: Text(message)),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text(DefaultValuesPage.title),
+        actions: <Widget>[
+          PlatformSelector(
+            onChangedPlatform: onChangedPlatform,
+          ),
+          IconButton(
+            icon: const Icon(Icons.code),
+            onPressed: () async {
+              if (!await launchUrl(Uri.parse(url))) {
+                throw 'Could not launch $url';
+              }
+            },
+          ),
+        ],
+      ),
+      body: Center(
+        child: SizedBox(
+          width: 400.0,
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: <Widget>[
+              const Text(
+                'This example simply shows what happens when contextMenuBuilder is given null, a custom value, or omitted altogether.',
+              ),
+              const SizedBox(
+                height: 40.0,
+              ),
+              TextField(
+                maxLines: 2,
+                minLines: 2,
+                controller: _controllerNone,
+              ),
+              TextField(
+                maxLines: 2,
+                minLines: 2,
+                controller: _controllerNull,
+                contextMenuBuilder: null,
+              ),
+              TextField(
+                maxLines: 2,
+                minLines: 2,
+                controller: _controllerCustom,
+                contextMenuBuilder: (BuildContext context,
+                    EditableTextState editableTextState) {
+                  return AdaptiveTextSelectionToolbar.buttonItems(
+                    anchors: editableTextState.contextMenuAnchors,
+                    buttonItems: <ContextMenuButtonItem>[
+                      ContextMenuButtonItem(
+                        label: 'Custom button',
+                        onPressed: () {
+                          ContextMenuController.removeAny();
+                          Navigator.of(context).push(_showDialog(
+                              context, 'You clicked the custom button.'));
+                        },
+                      ),
+                      ...editableTextState.contextMenuButtonItems,
+                    ],
+                  );
+                },
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}