if (regionWidth < 2 && regionHeight < 2 &&
self.attr_('clickCallback') != null &&
self.lastx_ != undefined) {
- // TODO(danvk): pass along more info about the point.
- self.attr_('clickCallback')(event, new Date(self.lastx_));
+ // TODO(danvk): pass along more info about the points.
+ self.attr_('clickCallback')(event, self.lastx_, self.selPoints_);
}
if (regionWidth >= 10) {
// Double-clicking zooms back out
Dygraph.addEvent(this.hidden_, 'dblclick', function(event) {
+ if (self.dateWindow_ == null) return;
self.dateWindow_ = null;
self.drawGraph_(self.rawData_);
var minDate = self.rawData_[0][0];
lastx = points[points.length-1].xval;
// Extract the points we've selected
- var selPoints = [];
+ this.selPoints_ = [];
for (var i = 0; i < points.length; i++) {
if (points[i].xval == lastx) {
- selPoints.push(points[i]);
+ this.selPoints_.push(points[i]);
}
}
+ if (this.attr_("highlightCallback")) {
+ this.attr_("highlightCallback")(event, lastx, this.selPoints_);
+ }
+
// Clear the previously drawn vertical, if there is one
var circleSize = this.attr_('highlightCircleSize');
var ctx = this.canvas_.getContext("2d");
var isOK = function(x) { return x && !isNaN(x); };
- if (selPoints.length > 0) {
- var canvasx = selPoints[0].canvasx;
+ if (this.selPoints_.length > 0) {
+ var canvasx = this.selPoints_[0].canvasx;
// Set the status message to indicate the selected point(s)
var replace = this.attr_('xValueFormatter')(lastx, this) + ":";
var clen = this.colors_.length;
- for (var i = 0; i < selPoints.length; i++) {
- if (!isOK(selPoints[i].canvasy)) continue;
+ for (var i = 0; i < this.selPoints_.length; i++) {
+ if (!isOK(this.selPoints_[i].canvasy)) continue;
if (this.attr_("labelsSeparateLines")) {
replace += "<br/>";
}
- var point = selPoints[i];
+ var point = this.selPoints_[i];
var c = new RGBColor(this.colors_[i%clen]);
replace += " <b><font color='" + c.toHex() + "'>"
+ point.name + "</font></b>:"
// Draw colored circles over the center of each selected point
ctx.save()
- for (var i = 0; i < selPoints.length; i++) {
- if (!isOK(selPoints[i%clen].canvasy)) continue;
+ for (var i = 0; i < this.selPoints_.length; i++) {
+ if (!isOK(this.selPoints_[i%clen].canvasy)) continue;
ctx.beginPath();
ctx.fillStyle = this.colors_[i%clen];
- ctx.arc(canvasx, selPoints[i%clen].canvasy, circleSize, 0, 360, false);
+ ctx.arc(canvasx, this.selPoints_[i%clen].canvasy, circleSize,
+ 0, 360, false);
ctx.fill();
}
ctx.restore();