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/* *
* (c) 2010-2019 Torstein Honsi
*
* License: www.highcharts.com/license
*/
'use strict';
import H from '../parts/Globals.js';
var defined = H.defined,
seriesTypes = H.seriesTypes,
stableSort = H.stableSort;
/**
* @private
* @mixin onSeriesMixin
*/
var onSeriesMixin = {
/**
* Override getPlotBox. If the onSeries option is valid, return the plot box
* of the onSeries, otherwise proceed as usual.
*
* @private
* @function onSeriesMixin.getPlotBox
*
* @return {Highcharts.SeriesPlotBoxObject}
*/
getPlotBox: function () {
return H.Series.prototype.getPlotBox.call(
(
this.options.onSeries &&
this.chart.get(this.options.onSeries)
) || this
);
},
/**
* Extend the translate method by placing the point on the related series
*
* @private
* @function onSeriesMixin.translate
*/
translate: function () {
seriesTypes.column.prototype.translate.apply(this);
var series = this,
options = series.options,
chart = series.chart,
points = series.points,
cursor = points.length - 1,
point,
lastPoint,
optionsOnSeries = options.onSeries,
onSeries = optionsOnSeries && chart.get(optionsOnSeries),
onKey = options.onKey || 'y',
step = onSeries && onSeries.options.step,
onData = onSeries && onSeries.points,
i = onData && onData.length,
inverted = chart.inverted,
xAxis = series.xAxis,
yAxis = series.yAxis,
xOffset = 0,
leftPoint,
lastX,
rightPoint,
currentDataGrouping,
distanceRatio;
// relate to a master series
if (onSeries && onSeries.visible && i) {
xOffset = (onSeries.pointXOffset || 0) + (onSeries.barW || 0) / 2;
currentDataGrouping = onSeries.currentDataGrouping;
lastX = (
onData[i - 1].x +
(currentDataGrouping ? currentDataGrouping.totalRange : 0)
); // #2374
// sort the data points
stableSort(points, function (a, b) {
return (a.x - b.x);
});
onKey = 'plot' + onKey[0].toUpperCase() + onKey.substr(1);
while (i-- && points[cursor]) {
leftPoint = onData[i];
point = points[cursor];
point.y = leftPoint.y;
if (leftPoint.x <= point.x && leftPoint[onKey] !== undefined) {
if (point.x <= lastX) { // #803
point.plotY = leftPoint[onKey];
// interpolate between points, #666
if (leftPoint.x < point.x && !step) {
rightPoint = onData[i + 1];
if (rightPoint && rightPoint[onKey] !== undefined) {
// the distance ratio, between 0 and 1
distanceRatio = (point.x - leftPoint.x) /
(rightPoint.x - leftPoint.x);
point.plotY +=
distanceRatio *
// the plotY distance
(rightPoint[onKey] - leftPoint[onKey]);
point.y +=
distanceRatio *
(rightPoint.y - leftPoint.y);
}
}
}
cursor--;
i++; // check again for points in the same x position
if (cursor < 0) {
break;
}
}
}
}
// Add plotY position and handle stacking
points.forEach(function (point, i) {
var stackIndex;
point.plotX += xOffset; // #2049
// Undefined plotY means the point is either on axis, outside series
// range or hidden series. If the series is outside the range of the
// x axis it should fall through with an undefined plotY, but then
// we must remove the shapeArgs (#847). For inverted charts, we need
// to calculate position anyway, because series.invertGroups is not
// defined
if (point.plotY === undefined || inverted) {
if (point.plotX >= 0 && point.plotX <= xAxis.len) {
// We're inside xAxis range
if (inverted) {
point.plotY = xAxis.translate(point.x, 0, 1, 0, 1);
point.plotX = defined(point.y) ?
yAxis.translate(point.y, 0, 0, 0, 1) : 0;
} else {
point.plotY = (xAxis.opposite ? 0 : series.yAxis.len) +
xAxis.offset; // For the windbarb demo
}
} else {
point.shapeArgs = {}; // 847
}
}
// if multiple flags appear at the same x, order them into a stack
lastPoint = points[i - 1];
if (lastPoint && lastPoint.plotX === point.plotX) {
if (lastPoint.stackIndex === undefined) {
lastPoint.stackIndex = 0;
}
stackIndex = lastPoint.stackIndex + 1;
}
point.stackIndex = stackIndex; // #3639
});
this.onSeries = onSeries;
}
};
export default onSeriesMixin;