app/js/lib/views/graph_view.coffee in ela-2.0.0 vs app/js/lib/views/graph_view.coffee in ela-3.0.0

@@ -12,12 +12,14 @@
     @displayParams = @model.displayParams[options.name] = new @GraphView.Params
 
     unless options.legend is false
       if _.isObject(options.legend) and options.legend.view?
         @LegendView = options.legend.view.toFunction()
+        @legendValueAttribute = options.legend.valueAttribute
       else
         @LegendView = ELA.Views.Legend
+      @legendValueAttribute ?= options.graph?.axes?.x?.attribute
 
     if options.graphOverlay?.view?
       @GraphOverlayView = options.graphOverlay.view.toFunction()
 
     for axis, props of options.graph?.axes
@@ -25,11 +27,16 @@
         attribute: props.attribute
         position: switch axis
           when 'x' then @bottomAxisHandler = attribute: props.attribute
           when 'y' then @leftAxisHandler = attribute: props.attribute
 
-    @curves = options.graph?.curves?.slice()
+    if options.graph?.curves?
+      @curves = options.graph.curves.slice()
+      @axisLabelingForCurve = @model.curves.find (curve) =>
+        curve.get('function') is @curves[0]
+    else
+      @axisLabelingForCurve = @model.curves.first()
 
     @subviews = {}
 
   render: =>
     @$el.empty()
@@ -37,11 +44,13 @@
     if @LegendView?
       view = @subviews.legend ?= new @LegendView
         model: @model
         parentView: this
         localePrefix: @localePrefix
+        valueAttribute: @legendValueAttribute
         curves: @curves
+        displayParams: @displayParams
       @$el.append(view.render().el)
 
     if @GraphOverlayView?
       view = @subviews.graphOverlay ?= new @GraphOverlayView
         model: @model
@@ -87,16 +96,16 @@
           attribute: @leftAxisHandler.attribute
       view = @subviews.graph ?= new @GraphView
         model: @model
         parentView: this
         params: @displayParams
-        defaults: _.defaults
+        defaults:
           # Taken from ELA.Views.Canvas::readCanvasResolution
           width: $graph[0].clientWidth
           height: $graph[0].clientHeight
           guides: guides
           curves: @curves
-        , @graphDefaults
+          axisLabelingForCurve: @axisLabelingForCurve
         localePrefix: @localePrefix
       $graph.html(view.render().el)
 
     this