forked from zhurui/management
518 lines
17 KiB
JavaScript
518 lines
17 KiB
JavaScript
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var zrUtil = require("zrender/lib/core/util");
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var numberUtil = require("../../util/number");
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var helper = require("./helper");
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var sliderMove = require("../helper/sliderMove");
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var each = zrUtil.each;
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var asc = numberUtil.asc;
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/**
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* Operate single axis.
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* One axis can only operated by one axis operator.
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* Different dataZoomModels may be defined to operate the same axis.
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* (i.e. 'inside' data zoom and 'slider' data zoom components)
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* So dataZoomModels share one axisProxy in that case.
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*
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* @class
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*/
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var AxisProxy = function (dimName, axisIndex, dataZoomModel, ecModel) {
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/**
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* @private
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* @type {string}
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*/
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this._dimName = dimName;
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/**
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* @private
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*/
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this._axisIndex = axisIndex;
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/**
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* @private
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* @type {Array.<number>}
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*/
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this._valueWindow;
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/**
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* @private
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* @type {Array.<number>}
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*/
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this._percentWindow;
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/**
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* @private
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* @type {Array.<number>}
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*/
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this._dataExtent;
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/**
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* {minSpan, maxSpan, minValueSpan, maxValueSpan}
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* @private
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* @type {Object}
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*/
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this._minMaxSpan;
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/**
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* @readOnly
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* @type {module: echarts/model/Global}
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*/
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this.ecModel = ecModel;
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/**
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* @private
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* @type {module: echarts/component/dataZoom/DataZoomModel}
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*/
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this._dataZoomModel = dataZoomModel; // /**
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// * @readOnly
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// * @private
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// */
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// this.hasSeriesStacked;
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};
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AxisProxy.prototype = {
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constructor: AxisProxy,
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/**
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* Whether the axisProxy is hosted by dataZoomModel.
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*
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* @public
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* @param {module: echarts/component/dataZoom/DataZoomModel} dataZoomModel
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* @return {boolean}
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*/
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hostedBy: function (dataZoomModel) {
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return this._dataZoomModel === dataZoomModel;
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},
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/**
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* @return {Array.<number>} Value can only be NaN or finite value.
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*/
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getDataValueWindow: function () {
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return this._valueWindow.slice();
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},
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/**
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* @return {Array.<number>}
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*/
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getDataPercentWindow: function () {
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return this._percentWindow.slice();
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},
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/**
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* @public
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* @param {number} axisIndex
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* @return {Array} seriesModels
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*/
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getTargetSeriesModels: function () {
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var seriesModels = [];
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var ecModel = this.ecModel;
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ecModel.eachSeries(function (seriesModel) {
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if (helper.isCoordSupported(seriesModel.get('coordinateSystem'))) {
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var dimName = this._dimName;
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var axisModel = ecModel.queryComponents({
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mainType: dimName + 'Axis',
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index: seriesModel.get(dimName + 'AxisIndex'),
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id: seriesModel.get(dimName + 'AxisId')
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})[0];
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if (this._axisIndex === (axisModel && axisModel.componentIndex)) {
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seriesModels.push(seriesModel);
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}
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}
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}, this);
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return seriesModels;
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},
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getAxisModel: function () {
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return this.ecModel.getComponent(this._dimName + 'Axis', this._axisIndex);
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},
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getOtherAxisModel: function () {
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var axisDim = this._dimName;
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var ecModel = this.ecModel;
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var axisModel = this.getAxisModel();
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var isCartesian = axisDim === 'x' || axisDim === 'y';
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var otherAxisDim;
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var coordSysIndexName;
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if (isCartesian) {
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coordSysIndexName = 'gridIndex';
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otherAxisDim = axisDim === 'x' ? 'y' : 'x';
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} else {
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coordSysIndexName = 'polarIndex';
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otherAxisDim = axisDim === 'angle' ? 'radius' : 'angle';
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}
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var foundOtherAxisModel;
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ecModel.eachComponent(otherAxisDim + 'Axis', function (otherAxisModel) {
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if ((otherAxisModel.get(coordSysIndexName) || 0) === (axisModel.get(coordSysIndexName) || 0)) {
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foundOtherAxisModel = otherAxisModel;
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}
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});
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return foundOtherAxisModel;
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},
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getMinMaxSpan: function () {
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return zrUtil.clone(this._minMaxSpan);
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},
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/**
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* Only calculate by given range and this._dataExtent, do not change anything.
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*
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* @param {Object} opt
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* @param {number} [opt.start]
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* @param {number} [opt.end]
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* @param {number} [opt.startValue]
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* @param {number} [opt.endValue]
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*/
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calculateDataWindow: function (opt) {
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var dataExtent = this._dataExtent;
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var axisModel = this.getAxisModel();
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var scale = axisModel.axis.scale;
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var rangePropMode = this._dataZoomModel.getRangePropMode();
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var percentExtent = [0, 100];
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var percentWindow = [];
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var valueWindow = [];
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var hasPropModeValue;
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each(['start', 'end'], function (prop, idx) {
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var boundPercent = opt[prop];
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var boundValue = opt[prop + 'Value']; // Notice: dataZoom is based either on `percentProp` ('start', 'end') or
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// on `valueProp` ('startValue', 'endValue'). (They are based on the data extent
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// but not min/max of axis, which will be calculated by data window then).
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// The former one is suitable for cases that a dataZoom component controls multiple
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// axes with different unit or extent, and the latter one is suitable for accurate
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// zoom by pixel (e.g., in dataZoomSelect).
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// we use `getRangePropMode()` to mark which prop is used. `rangePropMode` is updated
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// only when setOption or dispatchAction, otherwise it remains its original value.
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// (Why not only record `percentProp` and always map to `valueProp`? Because
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// the map `valueProp` -> `percentProp` -> `valueProp` probably not the original
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// `valueProp`. consider two axes constrolled by one dataZoom. They have different
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// data extent. All of values that are overflow the `dataExtent` will be calculated
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// to percent '100%').
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if (rangePropMode[idx] === 'percent') {
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boundPercent == null && (boundPercent = percentExtent[idx]); // Use scale.parse to math round for category or time axis.
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boundValue = scale.parse(numberUtil.linearMap(boundPercent, percentExtent, dataExtent));
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} else {
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hasPropModeValue = true;
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boundValue = boundValue == null ? dataExtent[idx] : scale.parse(boundValue); // Calculating `percent` from `value` may be not accurate, because
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// This calculation can not be inversed, because all of values that
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// are overflow the `dataExtent` will be calculated to percent '100%'
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boundPercent = numberUtil.linearMap(boundValue, dataExtent, percentExtent);
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} // valueWindow[idx] = round(boundValue);
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// percentWindow[idx] = round(boundPercent);
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valueWindow[idx] = boundValue;
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percentWindow[idx] = boundPercent;
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});
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asc(valueWindow);
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asc(percentWindow); // The windows from user calling of `dispatchAction` might be out of the extent,
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// or do not obey the `min/maxSpan`, `min/maxValueSpan`. But we dont restrict window
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// by `zoomLock` here, because we see `zoomLock` just as a interaction constraint,
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// where API is able to initialize/modify the window size even though `zoomLock`
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// specified.
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var spans = this._minMaxSpan;
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hasPropModeValue ? restrictSet(valueWindow, percentWindow, dataExtent, percentExtent, false) : restrictSet(percentWindow, valueWindow, percentExtent, dataExtent, true);
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function restrictSet(fromWindow, toWindow, fromExtent, toExtent, toValue) {
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var suffix = toValue ? 'Span' : 'ValueSpan';
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sliderMove(0, fromWindow, fromExtent, 'all', spans['min' + suffix], spans['max' + suffix]);
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for (var i = 0; i < 2; i++) {
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toWindow[i] = numberUtil.linearMap(fromWindow[i], fromExtent, toExtent, true);
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toValue && (toWindow[i] = scale.parse(toWindow[i]));
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}
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}
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return {
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valueWindow: valueWindow,
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percentWindow: percentWindow
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};
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},
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/**
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* Notice: reset should not be called before series.restoreData() called,
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* so it is recommanded to be called in "process stage" but not "model init
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* stage".
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*
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* @param {module: echarts/component/dataZoom/DataZoomModel} dataZoomModel
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*/
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reset: function (dataZoomModel) {
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if (dataZoomModel !== this._dataZoomModel) {
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return;
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}
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var targetSeries = this.getTargetSeriesModels(); // Culculate data window and data extent, and record them.
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this._dataExtent = calculateDataExtent(this, this._dimName, targetSeries); // this.hasSeriesStacked = false;
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// each(targetSeries, function (series) {
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// var data = series.getData();
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// var dataDim = data.mapDimension(this._dimName);
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// var stackedDimension = data.getCalculationInfo('stackedDimension');
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// if (stackedDimension && stackedDimension === dataDim) {
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// this.hasSeriesStacked = true;
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// }
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// }, this);
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// `calculateDataWindow` uses min/maxSpan.
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setMinMaxSpan(this);
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var dataWindow = this.calculateDataWindow(dataZoomModel.settledOption);
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this._valueWindow = dataWindow.valueWindow;
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this._percentWindow = dataWindow.percentWindow; // Update axis setting then.
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setAxisModel(this);
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},
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/**
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* @param {module: echarts/component/dataZoom/DataZoomModel} dataZoomModel
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*/
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restore: function (dataZoomModel) {
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if (dataZoomModel !== this._dataZoomModel) {
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return;
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}
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this._valueWindow = this._percentWindow = null;
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setAxisModel(this, true);
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},
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/**
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* @param {module: echarts/component/dataZoom/DataZoomModel} dataZoomModel
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*/
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filterData: function (dataZoomModel, api) {
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if (dataZoomModel !== this._dataZoomModel) {
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return;
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}
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var axisDim = this._dimName;
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var seriesModels = this.getTargetSeriesModels();
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var filterMode = dataZoomModel.get('filterMode');
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var valueWindow = this._valueWindow;
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if (filterMode === 'none') {
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return;
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} // FIXME
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// Toolbox may has dataZoom injected. And if there are stacked bar chart
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// with NaN data, NaN will be filtered and stack will be wrong.
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// So we need to force the mode to be set empty.
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// In fect, it is not a big deal that do not support filterMode-'filter'
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// when using toolbox#dataZoom, utill tooltip#dataZoom support "single axis
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// selection" some day, which might need "adapt to data extent on the
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// otherAxis", which is disabled by filterMode-'empty'.
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// But currently, stack has been fixed to based on value but not index,
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// so this is not an issue any more.
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// var otherAxisModel = this.getOtherAxisModel();
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// if (dataZoomModel.get('$fromToolbox')
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// && otherAxisModel
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// && otherAxisModel.hasSeriesStacked
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// ) {
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// filterMode = 'empty';
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// }
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// TODO
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// filterMode 'weakFilter' and 'empty' is not optimized for huge data yet.
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each(seriesModels, function (seriesModel) {
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var seriesData = seriesModel.getData();
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var dataDims = seriesData.mapDimension(axisDim, true);
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if (!dataDims.length) {
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return;
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}
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if (filterMode === 'weakFilter') {
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seriesData.filterSelf(function (dataIndex) {
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var leftOut;
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var rightOut;
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var hasValue;
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for (var i = 0; i < dataDims.length; i++) {
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var value = seriesData.get(dataDims[i], dataIndex);
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var thisHasValue = !isNaN(value);
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var thisLeftOut = value < valueWindow[0];
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var thisRightOut = value > valueWindow[1];
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if (thisHasValue && !thisLeftOut && !thisRightOut) {
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return true;
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}
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thisHasValue && (hasValue = true);
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thisLeftOut && (leftOut = true);
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thisRightOut && (rightOut = true);
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} // If both left out and right out, do not filter.
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return hasValue && leftOut && rightOut;
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});
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} else {
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each(dataDims, function (dim) {
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if (filterMode === 'empty') {
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seriesModel.setData(seriesData = seriesData.map(dim, function (value) {
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return !isInWindow(value) ? NaN : value;
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}));
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} else {
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var range = {};
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range[dim] = valueWindow; // console.time('select');
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seriesData.selectRange(range); // console.timeEnd('select');
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}
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});
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}
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each(dataDims, function (dim) {
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seriesData.setApproximateExtent(valueWindow, dim);
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});
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});
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function isInWindow(value) {
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return value >= valueWindow[0] && value <= valueWindow[1];
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}
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}
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};
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function calculateDataExtent(axisProxy, axisDim, seriesModels) {
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var dataExtent = [Infinity, -Infinity];
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each(seriesModels, function (seriesModel) {
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var seriesData = seriesModel.getData();
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if (seriesData) {
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each(seriesData.mapDimension(axisDim, true), function (dim) {
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var seriesExtent = seriesData.getApproximateExtent(dim);
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seriesExtent[0] < dataExtent[0] && (dataExtent[0] = seriesExtent[0]);
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seriesExtent[1] > dataExtent[1] && (dataExtent[1] = seriesExtent[1]);
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});
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}
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});
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if (dataExtent[1] < dataExtent[0]) {
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dataExtent = [NaN, NaN];
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} // It is important to get "consistent" extent when more then one axes is
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// controlled by a `dataZoom`, otherwise those axes will not be synchronized
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// when zooming. But it is difficult to know what is "consistent", considering
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// axes have different type or even different meanings (For example, two
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// time axes are used to compare data of the same date in different years).
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// So basically dataZoom just obtains extent by series.data (in category axis
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// extent can be obtained from axis.data).
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// Nevertheless, user can set min/max/scale on axes to make extent of axes
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// consistent.
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fixExtentByAxis(axisProxy, dataExtent);
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return dataExtent;
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}
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function fixExtentByAxis(axisProxy, dataExtent) {
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var axisModel = axisProxy.getAxisModel();
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var min = axisModel.getMin(true); // For category axis, if min/max/scale are not set, extent is determined
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// by axis.data by default.
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var isCategoryAxis = axisModel.get('type') === 'category';
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var axisDataLen = isCategoryAxis && axisModel.getCategories().length;
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if (min != null && min !== 'dataMin' && typeof min !== 'function') {
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dataExtent[0] = min;
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} else if (isCategoryAxis) {
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dataExtent[0] = axisDataLen > 0 ? 0 : NaN;
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}
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var max = axisModel.getMax(true);
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if (max != null && max !== 'dataMax' && typeof max !== 'function') {
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dataExtent[1] = max;
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} else if (isCategoryAxis) {
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dataExtent[1] = axisDataLen > 0 ? axisDataLen - 1 : NaN;
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}
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if (!axisModel.get('scale', true)) {
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dataExtent[0] > 0 && (dataExtent[0] = 0);
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dataExtent[1] < 0 && (dataExtent[1] = 0);
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} // For value axis, if min/max/scale are not set, we just use the extent obtained
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// by series data, which may be a little different from the extent calculated by
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// `axisHelper.getScaleExtent`. But the different just affects the experience a
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// little when zooming. So it will not be fixed until some users require it strongly.
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return dataExtent;
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}
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function setAxisModel(axisProxy, isRestore) {
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var axisModel = axisProxy.getAxisModel();
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var percentWindow = axisProxy._percentWindow;
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var valueWindow = axisProxy._valueWindow;
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if (!percentWindow) {
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return;
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} // [0, 500]: arbitrary value, guess axis extent.
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var precision = numberUtil.getPixelPrecision(valueWindow, [0, 500]);
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precision = Math.min(precision, 20); // isRestore or isFull
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var useOrigin = isRestore || percentWindow[0] === 0 && percentWindow[1] === 100;
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axisModel.setRange(useOrigin ? null : +valueWindow[0].toFixed(precision), useOrigin ? null : +valueWindow[1].toFixed(precision));
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}
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function setMinMaxSpan(axisProxy) {
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var minMaxSpan = axisProxy._minMaxSpan = {};
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var dataZoomModel = axisProxy._dataZoomModel;
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var dataExtent = axisProxy._dataExtent;
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each(['min', 'max'], function (minMax) {
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var percentSpan = dataZoomModel.get(minMax + 'Span');
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var valueSpan = dataZoomModel.get(minMax + 'ValueSpan');
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valueSpan != null && (valueSpan = axisProxy.getAxisModel().axis.scale.parse(valueSpan)); // minValueSpan and maxValueSpan has higher priority than minSpan and maxSpan
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if (valueSpan != null) {
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percentSpan = numberUtil.linearMap(dataExtent[0] + valueSpan, dataExtent, [0, 100], true);
|
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} else if (percentSpan != null) {
|
|
valueSpan = numberUtil.linearMap(percentSpan, [0, 100], dataExtent, true) - dataExtent[0];
|
|
}
|
|
|
|
minMaxSpan[minMax + 'Span'] = percentSpan;
|
|
minMaxSpan[minMax + 'ValueSpan'] = valueSpan;
|
|
});
|
|
}
|
|
|
|
var _default = AxisProxy;
|
|
module.exports = _default; |