Fix Issue 328:Thick data lines shown breaks

[dygraphs.git] / dygraph.js

diff --git a/dygraph.js b/dygraph.js
index 64ca4b6..3fad0d6 100644 (file)
--- a/dygraph.js
+++ b/dygraph.js
@@ -1247,6 +1247,10 @@ Dygraph.prototype.createDragInterface_ = function() {
     boundedDates: null, // [minDate, maxDate]
     boundedValues: null, // [[minValue, maxValue] ...]
 
+    // We cover iframes during mouse interactions. See comments in
+    // dygraph-utils.js for more info on why this is a good idea.
+    tarp: new Dygraph.IFrameTarp(),
+
     // contextB is the same thing as this context object but renamed.
     initializeMouseDown: function(event, g, contextB) {
       // prevents mouse drags from selecting page text.
@@ -1262,6 +1266,7 @@ Dygraph.prototype.createDragInterface_ = function() {
       contextB.dragStartX = g.dragGetX_(event, contextB);
       contextB.dragStartY = g.dragGetY_(event, contextB);
       contextB.cancelNextDblclick = false;
+      contextB.tarp.cover();
     }
   };
 
@@ -1301,9 +1306,11 @@ Dygraph.prototype.createDragInterface_ = function() {
         delete self.axes_[i].dragValueRange;
       }
     }
+
+    context.tarp.uncover();
   };
 
-  this.addEvent(window, 'mouseup', this.mouseUpHandler_);
+  this.addEvent(document, 'mouseup', this.mouseUpHandler_);
 };
 
 /**
@@ -2099,7 +2106,7 @@ Dygraph.prototype.extremeValues_ = function(series) {
     // With custom bars, maxY is the max of the high values.
     for (j = 0; j < series.length; j++) {
       y = series[j][1][0];
-      if (!y) continue;
+      if (y === null || isNaN(y)) continue;
       var low = y - series[j][1][1];
       var high = y + series[j][1][2];
       if (low > y) low = y;    // this can happen with custom bars,
@@ -2348,6 +2355,7 @@ Dygraph.prototype.drawGraph_ = function() {
   }
 
   this.computeYAxisRanges_(extremes);
+  console.log(extremes);
   this.layout_.setYAxes(this.axes_);
 
   this.addXTicks_();