From 20df9b7d919c485e3e616c83434f0666afc99e23 Mon Sep 17 00:00:00 2001
From: Daniel Mane <danmane@gmail.com>
Date: Thu, 27 Mar 2014 15:23:08 -0700
Subject: [PATCH] Make and use a setter for rAccessor

---
 examples/main-page/commit-chart.js |  6 +++---
 src/circleRenderer.ts              | 13 ++++++++++---
 src/squareRenderer.ts              | 16 ++++++++++++----
 3 files changed, 25 insertions(+), 10 deletions(-)

diff --git a/examples/main-page/commit-chart.js b/examples/main-page/commit-chart.js
index fe273e460e..be39eabedd 100644
--- a/examples/main-page/commit-chart.js
+++ b/examples/main-page/commit-chart.js
@@ -13,7 +13,6 @@ function commitChart(svg, dataset) {
                     .domain(["danmane", "jlan", "aramaswamy", "derekcicerone"])
                     .range(["#ff7f0e", "#1f77b4", "#2ca02c", "#d62728"]);
 
-  function dateAccessor(d) { return d.date; }
   function radiusAccessor(d) { return rScale.scale(linesAddedAccessor(d)); }
   function colorAccessor(d) { return colorScale.scale(d.name); }
 
@@ -23,8 +22,9 @@ function commitChart(svg, dataset) {
   }
 
 
-  var renderer = new Plottable.CircleRenderer(dataset, xScale, yScale, dateAccessor, hourAccessor, radiusAccessor)
-                 .colorAccessor(colorAccessor);
+  var renderer = new Plottable.CircleRenderer(dataset, xScale, yScale)
+                 .xAccessor("date").yAccessor(hourAccessor)
+                 .rAccessor(radiusAccessor).colorAccessor(colorAccessor);
 
   var legend    = new Plottable.Legend(colorScale).colMinimum(160).xOffset(-15).yOffset(10);
   var gridlines = new Plottable.Gridlines(xScale, yScale);
diff --git a/src/circleRenderer.ts b/src/circleRenderer.ts
index 812e73fc9e..3cfdd17691 100644
--- a/src/circleRenderer.ts
+++ b/src/circleRenderer.ts
@@ -2,7 +2,7 @@
 
 module Plottable {
   export class CircleRenderer extends XYRenderer {
-    private rAccessor: any;
+    private _rAccessor: any;
     private static defaultRAccessor = 3;
 
     /**
@@ -19,15 +19,22 @@ module Plottable {
     constructor(dataset: IDataset, xScale: QuantitiveScale, yScale: QuantitiveScale,
                 xAccessor?: any, yAccessor?: any, rAccessor?: any) {
       super(dataset, xScale, yScale, xAccessor, yAccessor);
-      this.rAccessor = (rAccessor != null) ? rAccessor : CircleRenderer.defaultRAccessor;
+      this._rAccessor = (rAccessor != null) ? rAccessor : CircleRenderer.defaultRAccessor;
       this.classed("circle-renderer", true);
     }
 
+    public rAccessor(a: any) {
+      this._rAccessor = a;
+      this._requireRerender = true;
+      this._rerenderUpdateSelection = true;
+      return this;
+    }
+
     public _paint() {
       super._paint();
       var cx = (d: any, i: number) => this.xScale.scale(this._getAppliedAccessor(this._xAccessor)(d, i));
       var cy = (d: any, i: number) => this.yScale.scale(this._getAppliedAccessor(this._yAccessor)(d, i));
-      var r  = this._getAppliedAccessor(this.rAccessor);
+      var r  = this._getAppliedAccessor(this._rAccessor);
       var color = this._getAppliedAccessor(this._colorAccessor);
       this.dataSelection = this.renderArea.selectAll("circle").data(this._data);
       this.dataSelection.enter().append("circle");
diff --git a/src/squareRenderer.ts b/src/squareRenderer.ts
index 1219e7fb01..433e42eb7a 100644
--- a/src/squareRenderer.ts
+++ b/src/squareRenderer.ts
@@ -2,8 +2,8 @@
 
 module Plottable {
   export class SquareRenderer extends XYRenderer {
-    private rAccessor: IAccessor;
-    private static defaultRAccessor = (d: any) => 3;
+    private _rAccessor: any;
+    private static defaultRAccessor = 3;
 
     /**
      * Creates a SquareRenderer.
@@ -19,15 +19,23 @@ module Plottable {
     constructor(dataset: IDataset, xScale: QuantitiveScale, yScale: QuantitiveScale,
                 xAccessor?: IAccessor, yAccessor?: IAccessor, rAccessor?: IAccessor) {
       super(dataset, xScale, yScale, xAccessor, yAccessor);
-      this.rAccessor = (rAccessor != null) ? rAccessor : SquareRenderer.defaultRAccessor;
+      this._rAccessor = (rAccessor != null) ? rAccessor : SquareRenderer.defaultRAccessor;
       this.classed("square-renderer", true);
     }
 
+
+    public rAccessor(a: any) {
+      this._rAccessor = a;
+      this._requireRerender = true;
+      this._rerenderUpdateSelection = true;
+      return this;
+    }
+
     public _paint() {
       super._paint();
       var xA = this._getAppliedAccessor(this._xAccessor);
       var yA = this._getAppliedAccessor(this._yAccessor);
-      var rA = this._getAppliedAccessor(this.rAccessor);
+      var rA = this._getAppliedAccessor(this._rAccessor);
       var cA = this._getAppliedAccessor(this._colorAccessor);
       var xFn = (d: any, i: number) =>
         this.xScale.scale(xA(d, i)) - rA(d, i);