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c3_chart_internal_fn.getScale = function (min, max, forTimeseries) {
return (forTimeseries ? this.d3.time.scale() : this.d3.scale.linear()).range([min, max]);
};
c3_chart_internal_fn.getX = function (min, max, domain, offset) {
var $$ = this,
scale = $$.getScale(min, max, $$.isTimeSeries()),
_scale = domain ? scale.domain(domain) : scale, key;
// Define customized scale if categorized axis
if ($$.isCategorized()) {
offset = offset || function () { return 0; };
scale = function (d, raw) {
var v = _scale(d) + offset(d);
return raw ? v : Math.ceil(v);
};
} else {
scale = function (d, raw) {
var v = _scale(d);
return raw ? v : Math.ceil(v);
};
}
// define functions
for (key in _scale) {
scale[key] = _scale[key];
}
scale.orgDomain = function () {
return _scale.domain();
};
// define custom domain() for categorized axis
if ($$.isCategorized()) {
scale.domain = function (domain) {
if (!arguments.length) {
domain = this.orgDomain();
return [domain[0], domain[1] + 1];
}
_scale.domain(domain);
return scale;
};
}
return scale;
};
c3_chart_internal_fn.getY = function (min, max, domain) {
var scale = this.getScale(min, max, this.isTimeSeriesY());
if (domain) { scale.domain(domain); }
return scale;
};
c3_chart_internal_fn.getYScale = function (id) {
return this.axis.getId(id) === 'y2' ? this.y2 : this.y;
};
c3_chart_internal_fn.getSubYScale = function (id) {
return this.axis.getId(id) === 'y2' ? this.subY2 : this.subY;
};
c3_chart_internal_fn.updateScales = function () {
var $$ = this, config = $$.config,
forInit = !$$.x;
// update edges
$$.xMin = config.axis_rotated ? 1 : 0;
$$.xMax = config.axis_rotated ? $$.height : $$.width;
$$.yMin = config.axis_rotated ? 0 : $$.height;
$$.yMax = config.axis_rotated ? $$.width : 1;
$$.subXMin = $$.xMin;
$$.subXMax = $$.xMax;
$$.subYMin = config.axis_rotated ? 0 : $$.height2;
$$.subYMax = config.axis_rotated ? $$.width2 : 1;
// update scales
$$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () { return $$.xAxis.tickOffset(); });
$$.y = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y_default : $$.y.domain());
$$.y2 = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y2_default : $$.y2.domain());
$$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) { return d % 1 ? 0 : $$.subXAxis.tickOffset(); });
$$.subY = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y_default : $$.subY.domain());
$$.subY2 = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y2_default : $$.subY2.domain());
// update axes
$$.xAxisTickFormat = $$.axis.getXAxisTickFormat();
$$.xAxisTickValues = $$.axis.getXAxisTickValues();
$$.yAxisTickValues = $$.axis.getYAxisTickValues();
$$.y2AxisTickValues = $$.axis.getY2AxisTickValues();
$$.xAxis = $$.axis.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
$$.subXAxis = $$.axis.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
$$.yAxis = $$.axis.getYAxis($$.y, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, config.axis_y_tick_outer);
$$.y2Axis = $$.axis.getYAxis($$.y2, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, config.axis_y2_tick_outer);
// Set initialized scales to brush and zoom
if (!forInit) {
if ($$.brush) { $$.brush.scale($$.subX); }
if (config.zoom_enabled) { $$.zoom.scale($$.x); }
}
// update for arc
if ($$.updateArc) { $$.updateArc(); }
};
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