96 lines
2.7 KiB
Plaintext
96 lines
2.7 KiB
Plaintext
define(function (require) {
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var zrUtil = require('zrender/core/util');
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var Axis = require('../../coord/Axis');
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var axisHelper = require('../../coord/axisHelper');
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/**
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* Extend axis 2d
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* @constructor module:echarts/coord/cartesian/Axis2D
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* @extends {module:echarts/coord/cartesian/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 TimelineAxis = function (dim, scale, coordExtent, axisType) {
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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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* @private
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* @type {number}
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*/
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this._autoLabelInterval;
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/**
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* Axis model
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* @param {module:echarts/component/TimelineModel}
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*/
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this.model = null;
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};
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TimelineAxis.prototype = {
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constructor: TimelineAxis,
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/**
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* @public
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* @return {number}
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*/
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getLabelInterval: function () {
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var timelineModel = this.model;
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var labelModel = timelineModel.getModel('label.normal');
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var labelInterval = labelModel.get('interval');
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if (labelInterval != null && labelInterval != 'auto') {
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return labelInterval;
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}
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var labelInterval = this._autoLabelInterval;
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if (!labelInterval) {
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labelInterval = this._autoLabelInterval = axisHelper.getAxisLabelInterval(
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zrUtil.map(this.scale.getTicks(), this.dataToCoord, this),
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axisHelper.getFormattedLabels(this, labelModel.get('formatter')),
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labelModel.getModel('textStyle').getFont(),
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timelineModel.get('orient') === 'horizontal'
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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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* If label is ignored.
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* Automatically used when axis is category and label can not be all shown
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* @public
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* @param {number} idx
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* @return {boolean}
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*/
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isLabelIgnored: function (idx) {
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if (this.type === 'category') {
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var labelInterval = this.getLabelInterval();
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return ((typeof labelInterval === 'function')
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&& !labelInterval(idx, this.scale.getLabel(idx)))
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|| idx % (labelInterval + 1);
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}
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}
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};
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zrUtil.inherits(TimelineAxis, Axis);
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return TimelineAxis;
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}); |