Roll Observatory packages and add a roll script

charted/lib/charts/chart_events.dart

Index: charted/lib/charts/chart_events.dart
diff --git a/charted/lib/charts/chart_events.dart b/charted/lib/charts/chart_events.dart
deleted file mode 100644
index 5e0deff9cd494aa4385334ead91ed93c5c801dbe..0000000000000000000000000000000000000000
--- a/charted/lib/charts/chart_events.dart
+++ /dev/null
@@ -1,104 +0,0 @@
-//
-// 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
-//
-
-part of charted.charts;
-
-///
-/// Interface implemented by a [CartesianRenderer] that supports behaviors.
-///
-abstract class ChartRendererBehaviorSource {
-  /// Stream to notify when a rendered value is clicked.
-  Stream<ChartEvent> get onValueClick;
-
-  /// Stream to notify when user moves mouse over a rendered value
-  Stream<ChartEvent> get onValueMouseOver;
-
-  /// Stream to notify when user moves mouse out of rendered value
-  Stream<ChartEvent> get onValueMouseOut;
-}
-
-///
-/// Interface implemented by a [ChartArea] that supports behaviors.
-///
-abstract class ChartAreaBehaviorSource implements ChartRendererBehaviorSource {
-  /// Stream to notify when a mouse button is pressed on [ChartArea].
-  Stream<ChartEvent> get onMouseDown;
-
-  /// Stream to notify when a pressed mouse button is released on [ChartArea].
-  Stream<ChartEvent> get onMouseUp;
-
-  /// Stream to notify when mouse pointer enters [ChartArea].
-  Stream<ChartEvent> get onMouseOver;
-
-  /// Stream to notify when mouse pointer leaves [ChartArea].
-  Stream<ChartEvent> get onMouseOut;
-
-  /// Stream of events that notify when mouse is moved on [ChartArea].
-  Stream<ChartEvent> get onMouseMove;
-
-  /// A pane that is rendered below all the chart elements - for use with
-  /// behaviors that add elements to chart.
-  Selection get lowerBehaviorPane;
-
-  /// A pane that is rendered above all the chart elements - for use with
-  /// behaviors that add elements to chart.
-  Selection get upperBehaviorPane;
-
-  /// Add a behavior to the chart.
-  void addChartBehavior(ChartBehavior behavior);
-
-  /// Remove a behavior from the chart.
-  void removeChartBehavior(ChartBehavior behavior);
-}
-
-///
-/// Class representing an event emitted by ChartEventSource
-///
-abstract class ChartEvent {
-  /// DOM source event that caused this event
-  Event get source;
-
-  /// ChartSeries if any on which this event occurred
-  ChartSeries get series;
-
-  /// Column in ChartData on which this event occurred
-  int get column;
-
-  /// Row in ChartData on which this event occurred
-  int get row;
-
-  /// Value from ChartData on which the event occurred
-  num get value;
-
-  /// X position relative to the rendered chart
-  num get chartX;
-
-  /// Y position relative to the rendered chart
-  num get chartY;
-
-  factory ChartEvent(Event source, ChartArea area,
-      [ChartSeries series, int row, int column, value]) = DefaultChartEventImpl;
-}
-
-/// Interface implemented by chart behaviors.
-/// During initialization, the behaviors subscribe to any necessary events and
-/// handle them appropriately.
-abstract class ChartBehavior {
-  /// Called while ChartArea is being initialized.
-  ///  - [area] is the ChartArea on which this behavior is installed
-  ///  - [upperRenderPane] is the Selection that is rendered on top of the
-  ///    chart.  Behaviors can use it to draw any visualization in response
-  ///    to user actions.
-  ///  - [lowerRenderPane] is the Selection that is rendered below the chart.
-  void init(
-      ChartArea area, Selection upperRenderPane, Selection lowerRenderPane);
-
-  /// Clears all DOM created by this behavior, unsubscribes to event listeners
-  /// and clears any state.
-  void dispose();
-}