Roll Observatory packages and add a roll script

charted/lib/charts/src/layout_area_impl.dart

Index: charted/lib/charts/src/layout_area_impl.dart
diff --git a/charted/lib/charts/src/layout_area_impl.dart b/charted/lib/charts/src/layout_area_impl.dart
deleted file mode 100644
index cc4de21cee92f6be3c71b0f09b8d765fd9d65d8c..0000000000000000000000000000000000000000
--- a/charted/lib/charts/src/layout_area_impl.dart
+++ /dev/null
@@ -1,331 +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;
-
-/// Creates an empty area and provides generic API for interaction with layout
-/// based charts.
-class DefaultLayoutAreaImpl implements LayoutArea {
-  /// Disposer for all change stream subscriptions related to data.
-  final _dataEventsDisposer = new SubscriptionsDisposer();
-
-  /// Disposer for all change stream subscriptions related to config.
-  final _configEventsDisposer = new SubscriptionsDisposer();
-
-  @override
-  final Element host;
-
-  @override
-  final bool useRowColoring = true;
-
-  @override
-  final ChartState state;
-
-  @override
-  _ChartAreaLayout layout = new _ChartAreaLayout();
-
-  @override
-  Selection upperBehaviorPane;
-
-  @override
-  Selection lowerBehaviorPane;
-
-  @override
-  bool isReady = false;
-
-  @override
-  ChartTheme theme;
-
-  ChartData _data;
-  ChartConfig _config;
-  bool _autoUpdate = false;
-
-  SelectionScope _scope;
-  Selection _svg;
-  Selection visualization;
-
-  ChartSeries _series;
-  LayoutRenderer _renderer;
-
-  bool _pendingLegendUpdate = false;
-  List<ChartBehavior> _behaviors = new List<ChartBehavior>();
-
-  SubscriptionsDisposer _rendererDisposer = new SubscriptionsDisposer();
-  StreamController<ChartEvent> _valueMouseOverController;
-  StreamController<ChartEvent> _valueMouseOutController;
-  StreamController<ChartEvent> _valueMouseClickController;
-
-  DefaultLayoutAreaImpl(
-      this.host,
-      ChartData data,
-      ChartConfig config,
-      this._autoUpdate,
-      this.state) {
-    assert(host != null);
-    assert(isNotInline(host));
-
-    this.data = data;
-    this.config = config;
-    theme = new QuantumChartTheme();
-
-    Transition.defaultEasingType = theme.transitionEasingType;
-    Transition.defaultEasingMode = theme.transitionEasingMode;
-    Transition.defaultDurationMilliseconds =
-        theme.transitionDurationMilliseconds;
-  }
-
-  void dispose() {
-    _configEventsDisposer.dispose();
-    _dataEventsDisposer.dispose();
-    _config.legend.dispose();
-  }
-
-  static bool isNotInline(Element e) =>
-      e != null && e.getComputedStyle().display != 'inline';
-
-  /// Set new data for this chart. If [value] is [Observable], subscribes to
-  /// changes and updates the chart when data changes.
-  @override
-  set data(ChartData value) {
-    _data = value;
-    _dataEventsDisposer.dispose();
-
-    if (autoUpdate && _data != null && _data is Observable) {
-      _dataEventsDisposer.add((_data as Observable).changes.listen((_) {
-        draw();
-      }));
-    }
-  }
-
-  @override
-  ChartData get data => _data;
-
-  /// Set new config for this chart. If [value] is [Observable], subscribes to
-  /// changes and updates the chart when series or dimensions change.
-  @override
-  set config(ChartConfig value) {
-    _config = value;
-    _configEventsDisposer.dispose();
-    _pendingLegendUpdate = true;
-
-    if (_config != null && _config is Observable) {
-      _configEventsDisposer.add((_config as Observable).changes.listen((_) {
-        _pendingLegendUpdate = true;
-        draw();
-      }));
-    }
-  }
-
-  @override
-  ChartConfig get config => _config;
-
-  @override
-  set autoUpdate(bool value) {
-    if (_autoUpdate != value) {
-      _autoUpdate = value;
-      this.data = _data;
-      this.config = _config;
-    }
-  }
-
-  @override
-  bool get autoUpdate => _autoUpdate;
-
-  /// Computes the size of chart and if changed from the previous time
-  /// size was computed, sets attributes on svg element
-  Rect _computeChartSize() {
-    int width = host.clientWidth,
-        height = host.clientHeight;
-
-    if (config.minimumSize != null) {
-      width = max([width, config.minimumSize.width]);
-      height = max([height, config.minimumSize.height]);
-    }
-
-    AbsoluteRect padding = theme.padding;
-    num paddingLeft = config.isRTL ? padding.end : padding.start;
-    Rect current = new Rect(paddingLeft, padding.top,
-        width - (padding.start + padding.end),
-        height - (padding.top + padding.bottom));
-    if (layout.chartArea == null || layout.chartArea != current) {
-      var transform = 'translate(${paddingLeft},${padding.top})';
-
-      visualization.first.attributes['transform'] = transform;
-      lowerBehaviorPane.first.attributes['transform'] = transform;
-      upperBehaviorPane.first.attributes['transform'] = transform;
-
-      _svg.attr('width', width.toString());
-      _svg.attr('height', height.toString());
-      layout.chartArea = current;
-      layout.renderArea = current;
-      layout._axes.clear();
-    }
-
-    return layout.chartArea;
-  }
-
-  @override
-  draw({bool preRender:false, Future schedulePostRender}) {
-    assert(data != null && config != null);
-    assert(config.series != null && config.series.isNotEmpty);
-
-    // One time initialization.
-    // Each [ChartArea] has it's own [SelectionScope]
-    if (_scope == null) {
-      _scope = new SelectionScope.element(host);
-      _svg = _scope.append('svg:svg')..classed('chart-canvas');
-
-      lowerBehaviorPane = _svg.append('g')..classed('lower-render-pane');
-      visualization = _svg.append('g')..classed('chart-render-pane');
-      upperBehaviorPane = _svg.append('g')..classed('upper-render-pane');
-
-      if (_behaviors.isNotEmpty) {
-        _behaviors.forEach(
-            (b) => b.init(this, upperBehaviorPane, lowerBehaviorPane));
-      }
-    }
-
-    // Compute chart sizes and filter out unsupported series
-    _computeChartSize();
-    var series = config.series.firstWhere(
-            (s) => s.renderer.prepare(this, s), orElse: () => null),
-        group = visualization.first.querySelector('.series-group');
-
-    // We need atleast one matching series.
-    assert(series != null);
-
-    // Create a group for rendering, if it was not already done.
-    if (group == null) {
-      group = Namespace.createChildElement('g', visualization.first)
-          ..classes.add('series-group');
-      visualization.first.append(group);
-    }
-
-    // If we previously displayed a series, verify that we are
-    // still using the same renderer.  Otherwise, dispose the older one.
-    if (_renderer != null && series.renderer != _renderer) {
-      _rendererDisposer.dispose();
-    }
-
-    // Save and subscribe to events on the the current renderer.
-    _renderer = series.renderer;
-    if (_renderer is ChartRendererBehaviorSource) {
-      _rendererDisposer.addAll([
-        _renderer.onValueClick.listen((ChartEvent e) {
-          if (state != null) {
-            if (state.isSelected(e.row)) {
-              state.unselect(e.row);
-            } else {
-              state.select(e.row);
-            }
-          }
-          if (_valueMouseClickController != null) {
-            _valueMouseClickController.add(e);
-          }
-        }),
-        _renderer.onValueMouseOver.listen((ChartEvent e) {
-          if (state != null) {
-            state.preview = e.row;
-          }
-          if (_valueMouseOverController != null) {
-            _valueMouseOverController.add(e);
-          }
-        }),
-        _renderer.onValueMouseOut.listen((ChartEvent e) {
-          if (state != null) {
-            if (e.row == state.preview) {
-              state.hovered = null;
-            }
-          }
-          if (_valueMouseOutController != null) {
-            _valueMouseOutController.add(e);
-          }
-        })
-      ]);
-    }
-
-    Iterable<ChartLegendItem> legend =
-        _renderer.layout(group, schedulePostRender:schedulePostRender);
-
-    // Notify on the stream that the chart has been updated.
-    isReady = true;
-
-    // Save the list of valid series and initialize axes.
-    _series = series;
-
-    // Updates the legend if required.
-    _config.legend.update(legend, this);
-  }
-
-  @override
-  Stream<ChartEvent> get onMouseUp =>
-      host.onMouseUp
-          .map((MouseEvent e) => new DefaultChartEventImpl(e, this));
-
-  @override
-  Stream<ChartEvent> get onMouseDown =>
-      host.onMouseDown
-          .map((MouseEvent e) => new DefaultChartEventImpl(e, this));
-
-  @override
-  Stream<ChartEvent> get onMouseOver =>
-      host.onMouseOver
-          .map((MouseEvent e) => new DefaultChartEventImpl(e, this));
-
-  @override
-  Stream<ChartEvent> get onMouseOut =>
-      host.onMouseOut
-          .map((MouseEvent e) => new DefaultChartEventImpl(e, this));
-
-  @override
-  Stream<ChartEvent> get onMouseMove =>
-      host.onMouseMove
-          .map((MouseEvent e) => new DefaultChartEventImpl(e, this));
-
-  @override
-  Stream<ChartEvent> get onValueClick {
-    if (_valueMouseClickController == null) {
-      _valueMouseClickController = new StreamController.broadcast(sync: true);
-    }
-    return _valueMouseClickController.stream;
-  }
-
-  @override
-  Stream<ChartEvent> get onValueMouseOver {
-    if (_valueMouseOverController == null) {
-      _valueMouseOverController = new StreamController.broadcast(sync: true);
-    }
-    return _valueMouseOverController.stream;
-  }
-
-  @override
-  Stream<ChartEvent> get onValueMouseOut {
-    if (_valueMouseOutController == null) {
-      _valueMouseOutController = new StreamController.broadcast(sync: true);
-    }
-    return _valueMouseOutController.stream;
-  }
-
-  @override
-  void addChartBehavior(ChartBehavior behavior) {
-    if (behavior == null || _behaviors.contains(behavior)) return;
-    _behaviors.add(behavior);
-    if (upperBehaviorPane != null && lowerBehaviorPane != null) {
-      behavior.init(this, upperBehaviorPane, lowerBehaviorPane);
-    }
-  }
-
-  @override
-  void removeChartBehavior(ChartBehavior behavior) {
-    if (behavior == null || !_behaviors.contains(behavior)) return;
-    if (upperBehaviorPane != null && lowerBehaviorPane != null) {
-      behavior.dispose();
-    }
-    _behaviors.remove(behavior);
-  }
-}