From: Dan Vanderkam <danvdk@gmail.com>
Date: Sat, 24 Nov 2012 00:52:16 +0000 (-0800)
Subject: Merge pull request #178 from kberg/tests
X-Git-Tag: v1.0.0~168
X-Git-Url: https://adrianiainlam.tk/git/?a=commitdiff_plain;h=3adf4a6f00d3577b925338891a0b021ebc5ae325;hp=57154831f03ec3c7d43d398c9c748935122ca344;p=dygraphs.git

Merge pull request #178 from kberg/tests

Add test for xValueParser
---

diff --git a/auto_tests/tests/callback.js b/auto_tests/tests/callback.js
index 6e59787..0e6b4fa 100644
--- a/auto_tests/tests/callback.js
+++ b/auto_tests/tests/callback.js
@@ -304,7 +304,7 @@ CallbackTestCase.prototype.testClosestPointCallbackCss2 = function() {
 /**
  * Closest-point highlighting with locked series.
  */
-CallbackTestCase.prototype.testClosestPointCallbackCss1 = function() {
+CallbackTestCase.prototype.testSetSelectionLocking = function() {
   var g = runClosestTest(false, 2, 4);
 
   // Default behavior, 'b' is closest
diff --git a/auto_tests/tests/pathological_cases.js b/auto_tests/tests/pathological_cases.js
index 21ff30a..83cba83 100644
--- a/auto_tests/tests/pathological_cases.js
+++ b/auto_tests/tests/pathological_cases.js
@@ -48,3 +48,10 @@ pathologicalCasesTestCase.prototype.testNullLegend = function() {
   var graph = document.getElementById("graph");
   var g = new Dygraph(graph, data, opts);
 };
+
+pathologicalCasesTestCase.prototype.testDivAsString = function() {
+  var data = "X,Y\n" +
+             "1,2\n";
+
+  var g = new Dygraph('graph', data, {});
+}
diff --git a/dygraph-range-selector.js b/dygraph-range-selector.js
index e2973b0..b777470 100644
--- a/dygraph-range-selector.js
+++ b/dygraph-range-selector.js
@@ -480,6 +480,8 @@ DygraphRangeSelector.prototype.drawMiniPlot_ = function() {
     return;
   }
 
+  var stepPlot = this.attr_('stepPlot');
+
   var combinedSeriesData = this.computeCombinedSeriesAndLimits_();
   var yRange = combinedSeriesData.yMax - combinedSeriesData.yMin;
 
@@ -494,14 +496,36 @@ DygraphRangeSelector.prototype.drawMiniPlot_ = function() {
   var canvasWidth = this.canvasRect_.w - margin;
   var canvasHeight = this.canvasRect_.h - margin;
 
+  var prevX = null, prevY = null;
+
   ctx.beginPath();
   ctx.moveTo(margin, canvasHeight);
   for (var i = 0; i < combinedSeriesData.data.length; i++) {
     var dataPoint = combinedSeriesData.data[i];
-    var x = (dataPoint[0] - xExtremes[0])*xFact;
-    var y = canvasHeight - (dataPoint[1] - combinedSeriesData.yMin)*yFact;
+    var x = ((dataPoint[0] !== null) ? ((dataPoint[0] - xExtremes[0])*xFact) : NaN);
+    var y = ((dataPoint[1] !== null) ? (canvasHeight - (dataPoint[1] - combinedSeriesData.yMin)*yFact) : NaN);
     if (isFinite(x) && isFinite(y)) {
+      if(prevX === null) {
+        ctx.lineTo(x, canvasHeight);
+      }
+      else if (stepPlot) {
+        ctx.lineTo(x, prevY);
+      }
       ctx.lineTo(x, y);
+      prevX = x;
+      prevY = y;
+    }
+    else {
+      if(prevX !== null) {
+        if (stepPlot) {
+          ctx.lineTo(x, prevY);
+          ctx.lineTo(x, canvasHeight);
+        }
+        else {
+          ctx.lineTo(prevX, canvasHeight);
+        }
+      }
+      prevX = prevY = null;
     }
   }
   ctx.lineTo(canvasWidth, canvasHeight);
diff --git a/dygraph.js b/dygraph.js
index 3a8c862..42e87c8 100644
--- a/dygraph.js
+++ b/dygraph.js
@@ -355,6 +355,10 @@ Dygraph.prototype.__init__ = function(div, file, attrs) {
 
   attrs = Dygraph.mapLegacyOptions_(attrs);
 
+  if (typeof(div) == 'string') {
+    div = document.getElementById(div);
+  }
+
   if (!div) {
     Dygraph.error("Constructing dygraph with a non-existent div!");
     return;
@@ -1687,7 +1691,7 @@ Dygraph.prototype.findClosestPoint = function(domX, domY) {
   var minDist = Infinity;
   var idx = -1;
   var dist, dx, dy, point, closestPoint, closestSeries;
-  for (var setIdx = 0; setIdx < this.layout_.datasets.length; ++setIdx) {
+  for ( var setIdx = this.layout_.datasets.length - 1 ; setIdx >= 0 ; --setIdx ) {
     var points = this.layout_.points[setIdx];
     for (var i = 0; i < points.length; ++i) {
       var point = points[i];
@@ -1788,7 +1792,7 @@ Dygraph.prototype.mouseMove_ = function(event) {
 
   var highlightSeriesOpts = this.attr_("highlightSeriesOpts");
   var selectionChanged = false;
-  if (highlightSeriesOpts && !this.lockedSet_) {
+  if (highlightSeriesOpts && !this.isSeriesLocked()) {
     var closest;
     if (this.attr_("stackedGraph")) {
       closest = this.findStackedPoint(canvasx, canvasy);
@@ -2081,6 +2085,14 @@ Dygraph.prototype.getHighlightSeries = function() {
 };
 
 /**
+ * Returns true if the currently-highlighted series was locked
+ * via setSelection(..., seriesName, true).
+ */
+Dygraph.prototype.isSeriesLocked = function() {
+  return this.lockedSet_;
+};
+
+/**
  * Fires when there's data available to be graphed.
  * @param {String} data Raw CSV data to be plotted
  * @private
diff --git a/gallery/highlighted-series.js b/gallery/highlighted-series.js
index 27a6458..2fdd1cf 100644
--- a/gallery/highlighted-series.js
+++ b/gallery/highlighted-series.js
@@ -27,19 +27,6 @@ var getData = function(numSeries, numRows, isStacked) {
   return data;
 };
 
-var makeClickCallback = function(graph) {
-  var isLocked = false;
-  return function(ev) {
-    if (isLocked) {
-      graph.clearSelection();
-      isLocked = false;
-    } else {
-      graph.setSelection(graph.getSelection(), graph.getHighlightSeries(), true);
-      isLocked = true;
-    }
-  };
-};
-
 var makeGraph = function(className, numSeries, numRows, isStacked) {
   var demo = document.getElementById('demo');
   var div = document.createElement('div');
@@ -73,7 +60,14 @@ var makeGraph = function(className, numSeries, numRows, isStacked) {
           highlightCircleSize: 5,
         },
       });
-  g.updateOptions({clickCallback: makeClickCallback(g)}, true);
+  var onclick = function(ev) {
+    if (g.isSeriesLocked()) {
+      g.clearSelection();
+    } else {
+      g.setSelection(g.getSelection(), g.getHighlightSeries(), true);
+    }
+  };
+  g.updateOptions({clickCallback: onclick}, true);
   g.setSelection(false, 's005');
   //console.log(g);
 };