Roll Observatory packages and add a roll script

packages/charted/examples/charts/renderers/demo_cartesian_renderers.dart

Index: packages/charted/examples/charts/renderers/demo_cartesian_renderers.dart
diff --git a/packages/charted/examples/charts/renderers/demo_cartesian_renderers.dart b/packages/charted/examples/charts/renderers/demo_cartesian_renderers.dart
new file mode 100644
index 0000000000000000000000000000000000000000..e027d5b34d379bf4cf645ac6846b03bfd75fe551
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+++ b/packages/charted/examples/charts/renderers/demo_cartesian_renderers.dart
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+/*
+ * Copyright 2014 Google Inc. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style
+ * license that can be found in the LICENSE file or at
+ * https://developers.google.com/open-source/licenses/bsd
+ */
+
+library charted.demo.charts.cartesian_renderers;
+
+import 'dart:html';
+import 'package:charted/core/text_metrics.dart' as tm;
+import 'package:charted/charts/charts.dart';
+
+import '../demo_charts.dart';
+
+List<ChartDemo> charts = [];
+
+class ChartDemo {
+  final List<ChartBehavior> behaviors;
+  final ChartConfig config;
+  final ChartData data;
+  final bool useTwoDimensions;
+  final Element host;
+  final String title;
+  final bool isLayout;
+
+  ChartArea area;
+
+  ChartDemo(this.title, this.host, this.config, this.data,
+            { this.useTwoDimensions: false, this.behaviors: const [],
+            this.isLayout: false }) {
+    var wrapper = document.createElement('div')..className = "chart-wrapper",
+        titleWrap = document.createElement('div')
+          ..className = "chart-title-wrapper",
+        titleContainer = document.createElement('div')
+          ..className = 'chart-title'
+          ..text = title,
+        chartHostWrapper =
+            document.createElement('div')..className = "chart-host-wrapper",
+        chartAreaHost = document.createElement('div')
+          ..className = "chart-host"
+          ..attributes['dir'] = 'ltr',
+        chartLegendHost =
+            document.createElement('div')..className = "chart-legend-host",
+        state = new ChartState();
+
+    titleWrap.append(titleContainer);
+    chartHostWrapper
+      ..append(chartAreaHost)
+      ..append(chartLegendHost);
+    wrapper
+      ..append(titleWrap)
+      ..append(chartHostWrapper);
+    host.append(wrapper);
+
+    config.legend = new ChartLegend(chartLegendHost, showValues: isLayout);
+    area = isLayout
+        ? new LayoutArea(chartAreaHost, data, config, state: state)
+        : new CartesianArea(chartAreaHost, data, config,
+            autoUpdate: false, useTwoDimensionAxes: useTwoDimensions,
+            state: state);
+
+    behaviors.forEach((behavior) {
+      area.addChartBehavior(behavior);
+    });
+
+    area.addChartBehavior(new Hovercard(isMultiValue: true));
+    if (!isLayout) {
+      area.addChartBehavior(new AxisLabelTooltip());
+    }
+  }
+
+  void setTheme(ChartTheme theme) {
+    area.theme = theme;
+  }
+
+  void draw() => area.draw(preRender: data.rows.isEmpty);
+}
+
+draw_charts() {
+  // Line chart
+  var line_series = new ChartSeries("one", [2, 3], new LineChartRenderer()),
+      line_config = new ChartConfig([line_series], [0]),
+      line_data = new ChartData(
+          ORDINAL_DATA_COLUMNS, ORDINAL_DATA),
+      line_demo = new ChartDemo('Line chart',
+          querySelector('.line-chart'), line_config, line_data);
+  charts.add(line_demo);
+
+  // Bar chart
+  var bar_series = new ChartSeries("one", [2], new BarChartRenderer()),
+      bar_config = new ChartConfig([bar_series], [0]),
+      bar_data = new ChartData(
+          ORDINAL_DATA_COLUMNS, ORDINAL_DATA),
+      bar_demo = new ChartDemo('Bar chart',
+          querySelector('.bar-chart'), bar_config, bar_data);
+  charts.add(bar_demo);
+
+  // Grouped bar chart
+  var grouped_bar_series =
+          new ChartSeries("one", [2, 3], new BarChartRenderer()),
+      grouped_bar_config = new ChartConfig([grouped_bar_series], [0]),
+      grouped_bar_data = new ChartData(
+          ORDINAL_DATA_COLUMNS, ORDINAL_DATA),
+      grouped_bar_demo = new ChartDemo('Group bar chart',
+          querySelector('.grouped-bar-chart'),
+          grouped_bar_config, grouped_bar_data);
+  charts.add(grouped_bar_demo);
+
+  // Stacked bar chart
+  var stacked_series =
+          new ChartSeries("one", [2, 3], new StackedBarChartRenderer()),
+      stacked_config = new ChartConfig([stacked_series], [0]),
+      stacked_data = new ChartData(
+          ORDINAL_DATA_COLUMNS, ORDINAL_DATA),
+      stacked_demo = new ChartDemo('Stacked bar chart',
+          querySelector('.stacked-bar-chart'), stacked_config, stacked_data);
+  charts.add(stacked_demo);
+
+  // Horizontal bar chart
+  var horiz_bar_series =
+          new ChartSeries("one", [2], new BarChartRenderer()),
+      horiz_bar_config = new ChartConfig([horiz_bar_series], [0])
+          ..isLeftAxisPrimary = true,
+      horiz_bar_data = new ChartData(
+          ORDINAL_DATA_COLUMNS, ORDINAL_DATA),
+      horiz_bar_demo = new ChartDemo('Horizontal bar chart',
+          querySelector('.horiz-bar-chart'), horiz_bar_config,
+          horiz_bar_data);
+  charts.add(horiz_bar_demo);
+
+  // Horizontal grouped bar chart
+  var horiz_grouped_bar_series =
+          new ChartSeries("one", [2, 3], new BarChartRenderer()),
+      horiz_grouped_bar_config =
+          new ChartConfig([horiz_grouped_bar_series], [0])
+              ..isLeftAxisPrimary = true,
+      horiz_grouped_bar_data = new ChartData(
+          ORDINAL_DATA_COLUMNS, ORDINAL_DATA),
+      horiz_grouped_bar_demo = new ChartDemo('Horizontal group bar chart',
+          querySelector('.horiz-grouped-bar-chart'),
+          horiz_grouped_bar_config, horiz_grouped_bar_data);
+  charts.add(horiz_grouped_bar_demo);
+
+  // Horizontal stacked bar chart
+  var horiz_stacked_series =
+          new ChartSeries("one", [2, 3], new StackedBarChartRenderer()),
+      horiz_stacked_config = new ChartConfig([horiz_stacked_series], [0])
+          ..isLeftAxisPrimary = true,
+      horiz_stacked_data = new ChartData(
+          ORDINAL_DATA_COLUMNS, ORDINAL_DATA),
+      horiz_stacked_demo = new ChartDemo('Horizontal stacked bar chart',
+          querySelector('.horiz-stacked-bar-chart'),
+          horiz_stacked_config, horiz_stacked_data);
+  charts.add(horiz_stacked_demo);
+
+  // Combo chart
+  var combo_bar_series =
+          new ChartSeries("one", [2, 3], new BarChartRenderer()),
+      combo_line_series = new ChartSeries("two", [1], new LineChartRenderer()),
+      combo_config =
+          new ChartConfig([combo_bar_series, combo_line_series], [0]),
+      combo_data = new ChartData(
+          ORDINAL_DATA_COLUMNS, ORDINAL_DATA),
+      combo_demo = new ChartDemo('Combo chart - bar and line',
+          querySelector('.combo-chart'), combo_config, combo_data);
+  charts.add(combo_demo);
+
+  // Combo chart
+  var combo2_bar_series =
+          new ChartSeries("one", [2, 3], new StackedBarChartRenderer()),
+      combo2_line_series = new ChartSeries("two", [1], new LineChartRenderer()),
+      combo2_config =
+          new ChartConfig([combo2_bar_series, combo2_line_series], [0]),
+      combo2_data = new ChartData(
+          ORDINAL_DATA_COLUMNS, ORDINAL_DATA),
+      combo2_demo = new ChartDemo('Combo chart - stacked and line',
+          querySelector('.combo2-chart'), combo2_config, combo2_data);
+  charts.add(combo2_demo);
+
+  charts.forEach((ChartDemo x) => x.draw());
+}
+
+main() {
+  new tm.TextMetrics(fontStyle: '14px Roboto');
+  draw_charts();
+
+  Element chartsContainer = querySelector('.demos-container');
+  InputElement useRTLScriptCheckBox = querySelector('#rtl-use-script'),
+      switchAxesForRTLCheckBox = querySelector('#rtl-switch-axes'),
+      useRTLLayoutCheckBox = querySelector('#rtl-use-layout');
+
+  useRTLLayoutCheckBox.onChange.listen((_) {
+    bool isRTL = useRTLLayoutCheckBox.checked;
+    charts.forEach((ChartDemo x) => x.config.isRTL = isRTL);
+    chartsContainer.attributes['dir'] = isRTL ? 'rtl' : 'ltr';
+  });
+
+  useRTLScriptCheckBox.onChange.listen((_) {
+    bool isRTL = useRTLScriptCheckBox.checked;
+    Iterable DATA_SOURCE = isRTL
+        ? ORDINAL_DATA_RTL
+        : ORDINAL_DATA;
+    charts.forEach((ChartDemo x) {
+      x.area.data = new ChartData(ORDINAL_DATA_COLUMNS, DATA_SOURCE);
+      x.draw();
+    });
+  });
+}