echarts
Version:
A powerful charting and visualization library for browser
88 lines (78 loc) • 2.39 kB
JavaScript
import * as zrUtil from 'zrender/src/core/util';
import * as axisHelper from './axisHelper';
export default {
/**
* Format labels
* @return {Array.<string>}
*/
getFormattedLabels: function () {
return axisHelper.getFormattedLabels(
this.axis,
this.get('axisLabel.formatter')
);
},
/**
* @param {boolean} origin
* @return {number|string} min value or 'dataMin' or null/undefined (means auto) or NaN
*/
getMin: function (origin) {
var option = this.option;
var min = (!origin && option.rangeStart != null)
? option.rangeStart : option.min;
if (this.axis
&& min != null
&& min !== 'dataMin'
&& typeof min !== 'function'
&& !zrUtil.eqNaN(min)
) {
min = this.axis.scale.parse(min);
}
return min;
},
/**
* @param {boolean} origin
* @return {number|string} max value or 'dataMax' or null/undefined (means auto) or NaN
*/
getMax: function (origin) {
var option = this.option;
var max = (!origin && option.rangeEnd != null)
? option.rangeEnd : option.max;
if (this.axis
&& max != null
&& max !== 'dataMax'
&& typeof max !== 'function'
&& !zrUtil.eqNaN(max)
) {
max = this.axis.scale.parse(max);
}
return max;
},
/**
* @return {boolean}
*/
getNeedCrossZero: function () {
var option = this.option;
return (option.rangeStart != null || option.rangeEnd != null)
? false : !option.scale;
},
/**
* Should be implemented by each axis model if necessary.
* @return {module:echarts/model/Component} coordinate system model
*/
getCoordSysModel: zrUtil.noop,
/**
* @param {number} rangeStart Can only be finite number or null/undefined or NaN.
* @param {number} rangeEnd Can only be finite number or null/undefined or NaN.
*/
setRange: function (rangeStart, rangeEnd) {
this.option.rangeStart = rangeStart;
this.option.rangeEnd = rangeEnd;
},
/**
* Reset range
*/
resetRange: function () {
// rangeStart and rangeEnd is readonly.
this.option.rangeStart = this.option.rangeEnd = null;
}
};