Merge pull request #257 from kberg/auto-tests

[dygraphs.git] / dygraph-layout.js

diff --git a/dygraph-layout.js b/dygraph-layout.js
index b67fe2c..54496aa 100644 (file)
--- a/dygraph-layout.js
+++ b/dygraph-layout.js
@@ -52,12 +52,18 @@ DygraphLayout.prototype.addDataset = function(setname, set_xy) {
   this.setNames.push(setname);
 };
 
+/**
+ * Returns the box which the chart should be drawn in. This is the canvas's
+ * box, less space needed for the axis and chart labels.
+ *
+ * @return {{x: number, y: number, w: number, h: number}}
+ */
 DygraphLayout.prototype.getPlotArea = function() {
   return this.area_;
 };
 
 // Compute the box which the chart should be drawn in. This is the canvas's
-// box, less space needed for axis and chart labels.
+// box, less space needed for axis, chart labels, and other plug-ins.
 // NOTE: This should only be called by Dygraph.predraw_().
 DygraphLayout.prototype.computePlotArea = function() {
   var area = {
@@ -156,10 +162,6 @@ DygraphLayout.prototype.setYAxes = function (yAxes) {
   this.yAxes_ = yAxes;
 };
 
-DygraphLayout.prototype.setDateWindow = function(dateWindow) {
-  this.dateWindow_ = dateWindow;
-};
-
 DygraphLayout.prototype.evaluate = function() {
   this._evaluateLimits();
   this._evaluateLineCharts();
@@ -211,6 +213,7 @@ DygraphLayout.prototype._evaluateLineCharts = function() {
   // on chrome+linux, they are 6 times more expensive than iterating through the
   // points and drawing the lines. The brunt of the cost comes from allocating
   // the |point| structures.
+  var boundaryIdStart = this.dygraph_.getLeftBoundary_();
   for (var setIdx = 0; setIdx < this.datasets.length; setIdx++) {
     var dataset = this.datasets[setIdx];
     var setName = this.setNames[setIdx];
@@ -243,7 +246,7 @@ DygraphLayout.prototype._evaluateLineCharts = function() {
         xval: xValue,
         yval: yValue,
         name: setName,  // TODO(danvk): is this really necessary?
-        idx: j + this.dygraph_.boundaryIds_[setIdx][0]
+        idx: j + boundaryIdStart
       };
     }