define(function (require) {
var zrUtil = require('zrender/core/util');
var Axis = require('../Axis');
var axisHelper = require('../axisHelper');
/**
* @constructor module:echarts/coord/single/SingleAxis
* @extends {module:echarts/coord/Axis}
* @param {string} dim
* @param {*} scale
* @param {Array.<number>} coordExtent
* @param {string} axisType
* @param {string} position
*/
var SingleAxis = function (dim, scale, coordExtent, axisType, position) {
Axis.call(this, dim, scale, coordExtent);
/**
* Axis type
* - 'category'
* - 'value'
* - 'time'
* - 'log'
* @type {string}
*/
this.type = axisType || 'value';
/**
* Axis position
* - 'top'
* - 'bottom'
* - 'left'
* - 'right'
* @type {string}
*/
this.position = position || 'bottom';
/**
* Axis orient
* - 'horizontal'
* - 'vertical'
* @type {[type]}
*/
this.orient = null;
/**
* @type {number}
*/
this._labelInterval = null;
};
SingleAxis.prototype = {
constructor: SingleAxis,
/**
* Axis model
* @type {module:echarts/coord/single/AxisModel}
*/
model: null,
/**
* Judge the orient of the axis.
* @return {boolean}
*/
isHorizontal: function () {
var position = this.position;
return position === 'top' || position === 'bottom';
},
/**
* Get interval of the axis label.
* @return {number}
*/
getLabelInterval: function () {
var labelInterval = this._labelInterval;
if (!labelInterval) {
var axisModel = this.model;
var labelModel = axisModel.getModel('axisLabel');
var interval = labelModel.get('interval');
if (!(this.type === 'category' && interval === 'auto')) {
labelInterval = this._labelInterval = interval === 'auto' ? 0 : interval;
return labelInterval;
}
labelInterval = this._labelInterval =
axisHelper.getAxisLabelInterval(
zrUtil.map(this.scale.getTicks(), this.dataToCoord, this),
axisModel.getFormattedLabels(),
labelModel.getModel('textStyle').getFont(),
this.isHorizontal()
);
}
return labelInterval;
},
/**
* Convert the local coord(processed by dataToCoord())
* to global coord(concrete pixel coord).
* designated by module:echarts/coord/single/Single.
* @type {Function}
*/
toGlobalCoord: null,
/**
* Convert the global coord to local coord.
* designated by module:echarts/coord/single/Single.
* @type {Function}
*/
toLocalCoord: null
};
zrUtil.inherits(SingleAxis, Axis);
return SingleAxis;
});
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