- this.lastHighlightCallbackX = lastx;
- if (!this.attr_("stackedGraph")) {
- this.attr_("highlightCallback")(event, lastx, this.selPoints_);
- } else {
- // "unstack" the points.
- var callbackPoints = this.selPoints_.map(
- function(p) { return {xval: p.xval, yval: p.yval, name: p.name} });
- var cumulative_sum = 0;
- for (var j = callbackPoints.length - 1; j >= 0; j--) {
- callbackPoints[j].yval -= cumulative_sum;
- cumulative_sum += callbackPoints[j].yval;
- }
- this.attr_("highlightCallback")(event, lastx, callbackPoints);
- }