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/* *
*
* (c) 2010-2019 Torstein Honsi
*
* License: www.highcharts.com/license
*
* */
'use strict';
import H from '../parts/Globals.js';
import '../parts/Utilities.js';
import '../parts/Axis.js';
var addEvent = H.addEvent,
Axis = H.Axis,
pick = H.pick;
// Override to use the extreme coordinates from the SVG shape, not the data
// values
addEvent(Axis, 'getSeriesExtremes', function () {
var xData = [];
// Remove the xData array and cache it locally so that the proceed method
// doesn't use it
if (this.isXAxis) {
this.series.forEach(function (series, i) {
if (series.useMapGeometry) {
xData[i] = series.xData;
series.xData = [];
}
});
this.seriesXData = xData;
}
});
addEvent(Axis, 'afterGetSeriesExtremes', function () {
var xData = this.seriesXData,
dataMin,
dataMax,
useMapGeometry;
// Run extremes logic for map and mapline
if (this.isXAxis) {
dataMin = pick(this.dataMin, Number.MAX_VALUE);
dataMax = pick(this.dataMax, -Number.MAX_VALUE);
this.series.forEach(function (series, i) {
if (series.useMapGeometry) {
dataMin = Math.min(dataMin, pick(series.minX, dataMin));
dataMax = Math.max(dataMax, pick(series.maxX, dataMax));
series.xData = xData[i]; // Reset xData array
useMapGeometry = true;
}
});
if (useMapGeometry) {
this.dataMin = dataMin;
this.dataMax = dataMax;
}
delete this.seriesXData;
}
});
// Override axis translation to make sure the aspect ratio is always kept
addEvent(Axis, 'afterSetAxisTranslation', function () {
var chart = this.chart,
mapRatio,
plotRatio = chart.plotWidth / chart.plotHeight,
adjustedAxisLength,
xAxis = chart.xAxis[0],
padAxis,
fixTo,
fixDiff,
preserveAspectRatio;
// Check for map-like series
if (this.coll === 'yAxis' && xAxis.transA !== undefined) {
this.series.forEach(function (series) {
if (series.preserveAspectRatio) {
preserveAspectRatio = true;
}
});
}
// On Y axis, handle both
if (preserveAspectRatio) {
// Use the same translation for both axes
this.transA = xAxis.transA = Math.min(this.transA, xAxis.transA);
mapRatio = plotRatio /
((xAxis.max - xAxis.min) / (this.max - this.min));
// What axis to pad to put the map in the middle
padAxis = mapRatio < 1 ? this : xAxis;
// Pad it
adjustedAxisLength = (padAxis.max - padAxis.min) * padAxis.transA;
padAxis.pixelPadding = padAxis.len - adjustedAxisLength;
padAxis.minPixelPadding = padAxis.pixelPadding / 2;
fixTo = padAxis.fixTo;
if (fixTo) {
fixDiff = fixTo[1] - padAxis.toValue(fixTo[0], true);
fixDiff *= padAxis.transA;
if (
Math.abs(fixDiff) > padAxis.minPixelPadding ||
(
padAxis.min === padAxis.dataMin &&
padAxis.max === padAxis.dataMax
)
) { // zooming out again, keep within restricted area
fixDiff = 0;
}
padAxis.minPixelPadding -= fixDiff;
}
}
});
// Override Axis.render in order to delete the fixTo prop
addEvent(Axis, 'render', function () {
this.fixTo = null;
});