applyRangePadding method

@override void applyRangePadding(_VisibleRange range, num? interval)

Applies range padding to auto, normal, additional, round, and none types.

Implementation

@override
void applyRangePadding(_VisibleRange range, num? interval) {
  ActualRangeChangedArgs rangeChangedArgs;
  if (!(_numericAxis.minimum != null && _numericAxis.maximum != null)) {
    ///Calculating range padding
    _applyRangePadding(this, _chartState, range, interval!);
  }

  calculateVisibleRange(_axisSize);

  /// Setting range as visible zoomRange
  if ((_numericAxis.visibleMinimum != null ||
          _numericAxis.visibleMaximum != null) &&
      (_numericAxis.visibleMinimum != _numericAxis.visibleMaximum) &&
      (!_chartState._isRedrawByZoomPan)) {
    _chartState._isRedrawByZoomPan = false;
    _visibleRange!.minimum = _visibleMinimum ??
        _numericAxis.visibleMinimum ??
        _visibleRange!.minimum;
    _visibleRange!.maximum = _visibleMaximum ??
        _numericAxis.visibleMaximum ??
        _visibleRange!.maximum;
    _visibleRange!.delta = _visibleRange!.maximum - _visibleRange!.minimum;
    _visibleRange!.interval = interval == null
        ? _calculateNumericNiceInterval(
            this, _visibleRange!.maximum - _visibleRange!.minimum, _axisSize)
        : _visibleRange!.interval;
    _zoomFactor = _visibleRange!.delta / range.delta;
    _zoomPosition =
        (_visibleRange!.minimum - _actualRange!.minimum) / range.delta;
  }
  if (_chart.onActualRangeChanged != null) {
    rangeChangedArgs = ActualRangeChangedArgs(_name!, _numericAxis,
        range.minimum, range.maximum, range.interval, _orientation!);
    rangeChangedArgs.visibleMin = _visibleRange!.minimum;
    rangeChangedArgs.visibleMax = _visibleRange!.maximum;
    rangeChangedArgs.visibleInterval = _visibleRange!.interval;
    _chart.onActualRangeChanged!(rangeChangedArgs);
    _visibleRange!.minimum = rangeChangedArgs.visibleMin;
    _visibleRange!.maximum = rangeChangedArgs.visibleMax;
    _visibleRange!.delta = _visibleRange!.maximum - _visibleRange!.minimum;
    _visibleRange!.interval = rangeChangedArgs.visibleInterval;
    _zoomFactor = _visibleRange!.delta / range.delta;
    _zoomPosition =
        (_visibleRange!.minimum - _actualRange!.minimum) / range.delta;
  }
}