define(function (require) {
var zrUtil = require('zrender/core/util');
var Axis = require('../Axis');
var axisLabelInterval = require('./axisLabelInterval');
/**
* Extend axis 2d
* @constructor module:echarts/coord/cartesian/Axis2D
* @extends {module:echarts/coord/cartesian/Axis}
* @param {string} dim
* @param {*} scale
* @param {Array.<number>} coordExtent
* @param {string} axisType
* @param {string} position
*/
var Axis2D = 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'
*/
this.position = position || 'bottom';
};
Axis2D.prototype = {
constructor: Axis2D,
/**
* Index of axis, can be used as key
*/
index: 0,
/**
* If axis is on the zero position of the other axis
* @type {boolean}
*/
onZero: false,
/**
* Axis model
* @param {module:echarts/coord/cartesian/AxisModel}
*/
model: null,
isHorizontal: function () {
var position = this.position;
return position === 'top' || position === 'bottom';
},
getGlobalExtent: function () {
var ret = this.getExtent();
ret[0] = this.toGlobalCoord(ret[0]);
ret[1] = this.toGlobalCoord(ret[1]);
return ret;
},
/**
* @return {number}
*/
getLabelInterval: function () {
var labelInterval = this._labelInterval;
if (!labelInterval) {
labelInterval = this._labelInterval = axisLabelInterval(this);
}
return labelInterval;
},
/**
* If label is ignored.
* Automatically used when axis is category and label can not be all shown
* @param {number} idx
* @return {boolean}
*/
isLabelIgnored: function (idx) {
if (this.type === 'category') {
var labelInterval = this.getLabelInterval();
return ((typeof labelInterval === 'function')
&& !labelInterval(idx, this.scale.getLabel(idx)))
|| idx % (labelInterval + 1);
}
},
/**
* Transform global coord to local coord,
* i.e. var localCoord = axis.toLocalCoord(80);
* designate by module:echarts/coord/cartesian/Grid.
* @type {Function}
*/
toLocalCoord: null,
/**
* Transform global coord to local coord,
* i.e. var globalCoord = axis.toLocalCoord(40);
* designate by module:echarts/coord/cartesian/Grid.
* @type {Function}
*/
toGlobalCoord: null
};
zrUtil.inherits(Axis2D, Axis);
return Axis2D;
});
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