Roll Observatory deps (charted -> ^0.3.0)

packages/charted/lib/charts/src/chart_legend_impl.dart

 //
 // 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;
 
@@ skipping 82 matching lines @@
   void _hideMoreItem() {
     var tooltip = _root.select('.chart-legend-more-tooltip');
     tooltip.style('opacity', '0');
   }
 
   // Displays remaining legend items as a tooltip
   void _displayMoreItem(Iterable<ChartLegendItem> items) {
     var tooltip = _root.select('.chart-legend-more-tooltip');
     if (tooltip.isEmpty) {
       tooltip = _root.select('.chart-legend-more').append('div')
-          ..classed('chart-legend-more-tooltip');
+        ..classed('chart-legend-more-tooltip');
     }
     tooltip.style('opacity', '1');
 
     // _createLegendItems(tooltip, 'chart-legend-more', items);
   }
 
   /// Creates legend items starting at the given index.
   void _createLegendItems() {
     var state = _area.state,
-        rows = _root.selectAll(
-            '.chart-legend-row').data(_items, (x) => x.hashCode),
+        rows =
+        _root.selectAll('.chart-legend-row').data(_items, (x) => x.hashCode),
         isFirstRender = rows.length == 0;
 
     var enter = rows.enter.appendWithCallback((d, i, e) {
       var row = Namespace.createChildElement('div', e),
           color = Namespace.createChildElement('div', e)
             ..className = 'chart-legend-color',
           label = Namespace.createChildElement('div', e)
             ..className = 'chart-legend-label',
-          value = showValues ? (Namespace.createChildElement('div', e)
-            ..className = 'chart-legend-value') : null;
+          value = showValues
+              ? (Namespace.createChildElement('div', e)
+                ..className = 'chart-legend-value')
+              : null;
 
       var rowStyles = ['chart-legend-row'].toList();
 
       // If this is the first time we are adding rows,
       // Update elements before adding them to the DOM.
       if (isFirstRender) {
         if (state != null) {
           if (d.index == state.preview) {
             rowStyles.add('chart-legend-hover');
           }
           if (state.isSelected(d.index)) {
             rowStyles.add('chart-legend-selected');
           }
         }
-        rowStyles.addAll(
-            d.series.map((ChartSeries x) => 'type-${x.renderer.name}'));
+        rowStyles
+            .addAll(d.series.map((ChartSeries x) => 'type-${x.renderer.name}'));
 
         color.style.setProperty('background-color', d.color);
         row.append(color);
         label.text = d.label;
         row.append(label);
 
         if (showValues) {
           value.text = d.value;
           value.style.setProperty('color', d.color);
           row.append(value);
@@ skipping 28 matching lines @@
             ..text = d.value
             ..style.setProperty('color', d.color);
         }
       });
     }
 
     if (state != null) {
       enter
         ..on('mouseover', (d, i, e) => state.preview = d.index)
         ..on('mouseout', (d, i, e) {
-            if (state.preview == d.index) {
-              state.preview = null;
-            }
-          })
+          if (state.preview == d.index) {
+            state.preview = null;
+          }
+        })
         ..on('click', (d, i, e) {
-            if (state.isSelected(d.index)) {
-              state.unselect(d.index);
-            } else {
-              state.select(d.index);
-            }
-          });
+          if (state.isSelected(d.index)) {
+            state.unselect(d.index);
+          } else {
+            state.select(d.index);
+          }
+        });
     }
 
     rows.exit.remove();
   }
 
   /// Update legend to show chart's selection and visibility.
   void _handleStateChanges(_) => _createLegendItems();
 }