Add flutter_web samples (#75)

2025-11-09 14:28:51 +00:00 · 2019-05-07 13:32:08 -07:00
parent 42f2dce01b
commit 3fe927cb29
697 changed files with 241026 additions and 0 deletions
--- a/web/charts/example/lib/home.dart
+++ b/web/charts/example/lib/home.dart
@@ -0,0 +1,127 @@
+// Copyright 2018 the Charts project authors. Please see the AUTHORS file
+// for details.
+//
+// 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.
+
+import 'package:charts_flutter/flutter.dart' as charts;
+import 'package:flutter_web/material.dart';
+import 'dart:developer';
+import 'app_config.dart';
+import 'drawer.dart';
+import 'a11y/a11y_gallery.dart' as a11y show buildGallery;
+import 'bar_chart/bar_gallery.dart' as bar show buildGallery;
+import 'time_series_chart/time_series_gallery.dart' as time_series
+    show buildGallery;
+import 'line_chart/line_gallery.dart' as line show buildGallery;
+import 'scatter_plot_chart/scatter_plot_gallery.dart' as scatter_plot
+    show buildGallery;
+import 'combo_chart/combo_gallery.dart' as combo show buildGallery;
+import 'pie_chart/pie_gallery.dart' as pie show buildGallery;
+import 'axes/axes_gallery.dart' as axes show buildGallery;
+import 'behaviors/behaviors_gallery.dart' as behaviors show buildGallery;
+import 'i18n/i18n_gallery.dart' as i18n show buildGallery;
+import 'legends/legends_gallery.dart' as legends show buildGallery;
+
+/// Main entry point of the gallery app.
+///
+/// This renders a list of all available demos.
+class Home extends StatelessWidget {
+  final bool showPerformanceOverlay;
+  final ValueChanged<bool> onShowPerformanceOverlayChanged;
+  final a11yGalleries = a11y.buildGallery();
+  final barGalleries = bar.buildGallery();
+  final timeSeriesGalleries = time_series.buildGallery();
+  final lineGalleries = line.buildGallery();
+  final scatterPlotGalleries = scatter_plot.buildGallery();
+  final comboGalleries = combo.buildGallery();
+  final pieGalleries = pie.buildGallery();
+  final axesGalleries = axes.buildGallery();
+  final behaviorsGalleries = behaviors.buildGallery();
+  final i18nGalleries = i18n.buildGallery();
+  final legendsGalleries = legends.buildGallery();
+
+  Home(
+      {Key key,
+      this.showPerformanceOverlay,
+      this.onShowPerformanceOverlayChanged})
+      : super(key: key) {
+    assert(onShowPerformanceOverlayChanged != null);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    var galleries = <Widget>[];
+
+    galleries.addAll(
+        a11yGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
+
+    // Add example bar charts.
+    galleries.addAll(
+        barGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
+
+    // Add example time series charts.
+    galleries.addAll(timeSeriesGalleries
+        .map((gallery) => gallery.buildGalleryListTile(context)));
+
+    // Add example line charts.
+    galleries.addAll(
+        lineGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
+
+    // Add example scatter plot charts.
+    galleries.addAll(scatterPlotGalleries
+        .map((gallery) => gallery.buildGalleryListTile(context)));
+
+    // Add example pie charts.
+    galleries.addAll(
+        comboGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
+
+    // Add example pie charts.
+    galleries.addAll(
+        pieGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
+
+    // Add example custom axis.
+    galleries.addAll(
+        axesGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
+
+    galleries.addAll(behaviorsGalleries
+        .map((gallery) => gallery.buildGalleryListTile(context)));
+
+    // Add legends examples
+    galleries.addAll(legendsGalleries
+        .map((gallery) => gallery.buildGalleryListTile(context)));
+
+    // Add examples for i18n.
+    galleries.addAll(
+        i18nGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
+
+    _setupPerformance();
+
+    return new Scaffold(
+      drawer: new GalleryDrawer(
+          showPerformanceOverlay: showPerformanceOverlay,
+          onShowPerformanceOverlayChanged: onShowPerformanceOverlayChanged),
+      appBar: new AppBar(title: new Text(defaultConfig.appName)),
+      body: new ListView(padding: kMaterialListPadding, children: galleries),
+    );
+  }
+
+  void _setupPerformance() {
+    // Change [printPerformance] to true and set the app to release mode to
+    // print performance numbers to console. By default, Flutter builds in debug
+    // mode and this mode is slow. To build in release mode, specify the flag
+    // blaze-run flag "--define flutter_build_mode=release".
+    // The build target must also be an actual device and not the emulator.
+    charts.Performance.time = (String tag) => Timeline.startSync(tag);
+    charts.Performance.timeEnd = (_) => Timeline.finishSync();
+  }
+}