};
/**
+ * Fetch a plugin instance of a particular class. Only for testing.
+ * @private
+ * @param {!Class} type The type of the plugin.
+ * @return {Object} Instance of the plugin, or null if there is none.
+ */
+Dygraph.prototype.getPluginInstance_ = function(type) {
+ for (var i = 0; i < this.plugins_.length; i++) {
+ var p = this.plugins_[i];
+ if (p.plugin instanceof type) {
+ return p.plugin;
+ }
+ }
+ return null;
+};
+
+/**
* Returns the zoomed status of the chart for one or both axes.
*
* Axis is an optional parameter. Can be set to 'x' or 'y'.
var actualYval = point.yval;
if (isNaN(actualYval) || actualYval === null) {
- // Interpolate/extend for stacking purposes if possible.
- updateNextPoint(i);
- if (prevPoint && nextPoint && fillMethod != 'none') {
- // Use linear interpolation between prevPoint and nextPoint.
- actualYval = prevPoint.yval + (nextPoint.yval - prevPoint.yval) *
- ((xval - prevPoint.xval) / (nextPoint.xval - prevPoint.xval));
- } else if (prevPoint && fillMethod == 'all') {
- actualYval = prevPoint.yval;
- } else if (nextPoint && fillMethod == 'all') {
- actualYval = nextPoint.yval;
- } else {
+ if(fillMethod == 'none') {
actualYval = 0;
+ } else {
+ // Interpolate/extend for stacking purposes if possible.
+ updateNextPoint(i);
+ if (prevPoint && nextPoint && fillMethod != 'none') {
+ // Use linear interpolation between prevPoint and nextPoint.
+ actualYval = prevPoint.yval + (nextPoint.yval - prevPoint.yval) *
+ ((xval - prevPoint.xval) / (nextPoint.xval - prevPoint.xval));
+ } else if (prevPoint && fillMethod == 'all') {
+ actualYval = prevPoint.yval;
+ } else if (nextPoint && fillMethod == 'all') {
+ actualYval = nextPoint.yval;
+ } else {
+ actualYval = 0;
+ }
}
} else {
prevPoint = point;