Axis2D.js
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var zrUtil = require("zrender/lib/core/util");
var Axis = require("../Axis");
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/**
* 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,
/**
* Implemented in <module:echarts/coord/cartesian/Grid>.
* @return {Array.<module:echarts/coord/cartesian/Axis2D>}
* If not on zero of other axis, return null/undefined.
* If no axes, return an empty array.
*/
getAxesOnZeroOf: null,
/**
* Axis model
* @param {module:echarts/coord/cartesian/AxisModel}
*/
model: null,
isHorizontal: function () {
var position = this.position;
return position === 'top' || position === 'bottom';
},
/**
* Each item cooresponds to this.getExtent(), which
* means globalExtent[0] may greater than globalExtent[1],
* unless `asc` is input.
*
* @param {boolean} [asc]
* @return {Array.<number>}
*/
getGlobalExtent: function (asc) {
var ret = this.getExtent();
ret[0] = this.toGlobalCoord(ret[0]);
ret[1] = this.toGlobalCoord(ret[1]);
asc && ret[0] > ret[1] && ret.reverse();
return ret;
},
getOtherAxis: function () {
this.grid.getOtherAxis();
},
/**
* @override
*/
pointToData: function (point, clamp) {
return this.coordToData(this.toLocalCoord(point[this.dim === 'x' ? 0 : 1]), clamp);
},
/**
* 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);
var _default = Axis2D;
module.exports = _default;