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