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128 lines
4.9 KiB
128 lines
4.9 KiB
// Copyright 2018 the Charts project authors. Please see the AUTHORS file
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// for details.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import 'package:charts_flutter/flutter.dart' as charts;
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import 'package:flutter/material.dart';
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import 'dart:developer';
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import 'app_config.dart';
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import 'drawer.dart';
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import 'a11y/a11y_gallery.dart' as a11y show buildGallery;
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import 'bar_chart/bar_gallery.dart' as bar show buildGallery;
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import 'time_series_chart/time_series_gallery.dart' as time_series
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show buildGallery;
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import 'line_chart/line_gallery.dart' as line show buildGallery;
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import 'scatter_plot_chart/scatter_plot_gallery.dart' as scatter_plot
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show buildGallery;
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import 'combo_chart/combo_gallery.dart' as combo show buildGallery;
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import 'pie_chart/pie_gallery.dart' as pie show buildGallery;
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import 'axes/axes_gallery.dart' as axes show buildGallery;
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import 'behaviors/behaviors_gallery.dart' as behaviors show buildGallery;
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import 'i18n/i18n_gallery.dart' as i18n show buildGallery;
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import 'legends/legends_gallery.dart' as legends show buildGallery;
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/// Main entry point of the gallery app.
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///
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/// This renders a list of all available demos.
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class Home extends StatelessWidget {
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final bool showPerformanceOverlay;
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final ValueChanged<bool> onShowPerformanceOverlayChanged;
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final a11yGalleries = a11y.buildGallery();
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final barGalleries = bar.buildGallery();
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final timeSeriesGalleries = time_series.buildGallery();
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final lineGalleries = line.buildGallery();
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final scatterPlotGalleries = scatter_plot.buildGallery();
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final comboGalleries = combo.buildGallery();
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final pieGalleries = pie.buildGallery();
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final axesGalleries = axes.buildGallery();
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final behaviorsGalleries = behaviors.buildGallery();
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final i18nGalleries = i18n.buildGallery();
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final legendsGalleries = legends.buildGallery();
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Home(
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{Key key,
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this.showPerformanceOverlay,
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this.onShowPerformanceOverlayChanged})
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: super(key: key) {
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assert(onShowPerformanceOverlayChanged != null);
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}
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@override
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Widget build(BuildContext context) {
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var galleries = <Widget>[];
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galleries.addAll(
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a11yGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
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// Add example bar charts.
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galleries.addAll(
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barGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
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// Add example time series charts.
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galleries.addAll(timeSeriesGalleries
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.map((gallery) => gallery.buildGalleryListTile(context)));
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// Add example line charts.
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galleries.addAll(
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lineGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
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// Add example scatter plot charts.
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galleries.addAll(scatterPlotGalleries
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.map((gallery) => gallery.buildGalleryListTile(context)));
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// Add example pie charts.
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galleries.addAll(
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comboGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
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// Add example pie charts.
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galleries.addAll(
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pieGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
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// Add example custom axis.
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galleries.addAll(
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axesGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
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galleries.addAll(behaviorsGalleries
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.map((gallery) => gallery.buildGalleryListTile(context)));
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// Add legends examples
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galleries.addAll(legendsGalleries
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.map((gallery) => gallery.buildGalleryListTile(context)));
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// Add examples for i18n.
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galleries.addAll(
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i18nGalleries.map((gallery) => gallery.buildGalleryListTile(context)));
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_setupPerformance();
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return new Scaffold(
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drawer: new GalleryDrawer(
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showPerformanceOverlay: showPerformanceOverlay,
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onShowPerformanceOverlayChanged: onShowPerformanceOverlayChanged),
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appBar: new AppBar(title: new Text(defaultConfig.appName)),
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body: new ListView(padding: kMaterialListPadding, children: galleries),
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);
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}
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void _setupPerformance() {
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// Change [printPerformance] to true and set the app to release mode to
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// print performance numbers to console. By default, Flutter builds in debug
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// mode and this mode is slow. To build in release mode, specify the flag
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// blaze-run flag "--define flutter_build_mode=release".
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// The build target must also be an actual device and not the emulator.
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charts.Performance.time = (String tag) => Timeline.startSync(tag);
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charts.Performance.timeEnd = (_) => Timeline.finishSync();
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}
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}
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