逐步完成前后端服务器
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frontend/node_modules/echarts/lib/component/dataZoom/roams.js
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frontend/node_modules/echarts/lib/component/dataZoom/roams.js
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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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/**
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* AUTO-GENERATED FILE. DO NOT MODIFY.
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*/
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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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// Only create one roam controller for each coordinate system.
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// one roam controller might be refered by two inside data zoom
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// components (for example, one for x and one for y). When user
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// pan or zoom, only dispatch one action for those data zoom
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// components.
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import RoamController from '../../component/helper/RoamController.js';
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import * as throttleUtil from '../../util/throttle.js';
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import { makeInner } from '../../util/model.js';
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import { each, curry, createHashMap } from 'zrender/lib/core/util.js';
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import { collectReferCoordSysModelInfo } from './helper.js';
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var inner = makeInner();
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export function setViewInfoToCoordSysRecord(api, dataZoomModel, getRange) {
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inner(api).coordSysRecordMap.each(function (coordSysRecord) {
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var dzInfo = coordSysRecord.dataZoomInfoMap.get(dataZoomModel.uid);
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if (dzInfo) {
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dzInfo.getRange = getRange;
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}
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});
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}
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export function disposeCoordSysRecordIfNeeded(api, dataZoomModel) {
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var coordSysRecordMap = inner(api).coordSysRecordMap;
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var coordSysKeyArr = coordSysRecordMap.keys();
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for (var i = 0; i < coordSysKeyArr.length; i++) {
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var coordSysKey = coordSysKeyArr[i];
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var coordSysRecord = coordSysRecordMap.get(coordSysKey);
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var dataZoomInfoMap = coordSysRecord.dataZoomInfoMap;
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if (dataZoomInfoMap) {
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var dzUid = dataZoomModel.uid;
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var dzInfo = dataZoomInfoMap.get(dzUid);
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if (dzInfo) {
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dataZoomInfoMap.removeKey(dzUid);
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if (!dataZoomInfoMap.keys().length) {
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disposeCoordSysRecord(coordSysRecordMap, coordSysRecord);
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}
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}
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}
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}
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}
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function disposeCoordSysRecord(coordSysRecordMap, coordSysRecord) {
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if (coordSysRecord) {
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coordSysRecordMap.removeKey(coordSysRecord.model.uid);
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var controller = coordSysRecord.controller;
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controller && controller.dispose();
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}
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}
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function createCoordSysRecord(api, coordSysModel) {
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// These init props will never change after record created.
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var coordSysRecord = {
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model: coordSysModel,
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containsPoint: curry(containsPoint, coordSysModel),
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dispatchAction: curry(dispatchAction, api),
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dataZoomInfoMap: null,
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controller: null
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};
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// Must not do anything depends on coordSysRecord outside the event handler here,
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// because coordSysRecord not completed yet.
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var controller = coordSysRecord.controller = new RoamController(api.getZr());
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each(['pan', 'zoom', 'scrollMove'], function (eventName) {
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controller.on(eventName, function (event) {
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var batch = [];
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coordSysRecord.dataZoomInfoMap.each(function (dzInfo) {
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// Check whether the behaviors (zoomOnMouseWheel, moveOnMouseMove,
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// moveOnMouseWheel, ...) enabled.
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if (!event.isAvailableBehavior(dzInfo.model.option)) {
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return;
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}
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var method = (dzInfo.getRange || {})[eventName];
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var range = method && method(dzInfo.dzReferCoordSysInfo, coordSysRecord.model.mainType, coordSysRecord.controller, event);
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!dzInfo.model.get('disabled', true) && range && batch.push({
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dataZoomId: dzInfo.model.id,
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start: range[0],
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end: range[1]
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});
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});
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batch.length && coordSysRecord.dispatchAction(batch);
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});
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});
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return coordSysRecord;
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}
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/**
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* This action will be throttled.
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*/
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function dispatchAction(api, batch) {
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if (!api.isDisposed()) {
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api.dispatchAction({
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type: 'dataZoom',
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animation: {
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easing: 'cubicOut',
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duration: 100
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},
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batch: batch
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});
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}
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}
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function containsPoint(coordSysModel, e, x, y) {
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return coordSysModel.coordinateSystem.containPoint([x, y]);
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}
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/**
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* Merge roamController settings when multiple dataZooms share one roamController.
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*/
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function mergeControllerParams(dataZoomInfoMap) {
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var controlType;
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// DO NOT use reserved word (true, false, undefined) as key literally. Even if encapsulated
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// as string, it is probably revert to reserved word by compress tool. See #7411.
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var prefix = 'type_';
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var typePriority = {
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'type_true': 2,
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'type_move': 1,
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'type_false': 0,
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'type_undefined': -1
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};
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var preventDefaultMouseMove = true;
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dataZoomInfoMap.each(function (dataZoomInfo) {
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var dataZoomModel = dataZoomInfo.model;
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var oneType = dataZoomModel.get('disabled', true) ? false : dataZoomModel.get('zoomLock', true) ? 'move' : true;
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if (typePriority[prefix + oneType] > typePriority[prefix + controlType]) {
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controlType = oneType;
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}
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// Prevent default move event by default. If one false, do not prevent. Otherwise
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// users may be confused why it does not work when multiple insideZooms exist.
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preventDefaultMouseMove = preventDefaultMouseMove && dataZoomModel.get('preventDefaultMouseMove', true);
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});
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return {
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controlType: controlType,
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opt: {
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// RoamController will enable all of these functionalities,
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// and the final behavior is determined by its event listener
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// provided by each inside zoom.
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zoomOnMouseWheel: true,
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moveOnMouseMove: true,
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moveOnMouseWheel: true,
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preventDefaultMouseMove: !!preventDefaultMouseMove
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}
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};
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}
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export function installDataZoomRoamProcessor(registers) {
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registers.registerProcessor(registers.PRIORITY.PROCESSOR.FILTER, function (ecModel, api) {
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var apiInner = inner(api);
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var coordSysRecordMap = apiInner.coordSysRecordMap || (apiInner.coordSysRecordMap = createHashMap());
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coordSysRecordMap.each(function (coordSysRecord) {
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// `coordSysRecordMap` always exists (because it holds the `roam controller`, which should
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// better not re-create each time), but clear `dataZoomInfoMap` each round of the workflow.
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coordSysRecord.dataZoomInfoMap = null;
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});
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ecModel.eachComponent({
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mainType: 'dataZoom',
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subType: 'inside'
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}, function (dataZoomModel) {
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var dzReferCoordSysWrap = collectReferCoordSysModelInfo(dataZoomModel);
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each(dzReferCoordSysWrap.infoList, function (dzCoordSysInfo) {
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var coordSysUid = dzCoordSysInfo.model.uid;
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var coordSysRecord = coordSysRecordMap.get(coordSysUid) || coordSysRecordMap.set(coordSysUid, createCoordSysRecord(api, dzCoordSysInfo.model));
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var dataZoomInfoMap = coordSysRecord.dataZoomInfoMap || (coordSysRecord.dataZoomInfoMap = createHashMap());
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// Notice these props might be changed each time for a single dataZoomModel.
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dataZoomInfoMap.set(dataZoomModel.uid, {
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dzReferCoordSysInfo: dzCoordSysInfo,
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model: dataZoomModel,
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getRange: null
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});
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});
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});
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// (1) Merge dataZoom settings for each coord sys and set to the roam controller.
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// (2) Clear coord sys if not refered by any dataZoom.
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coordSysRecordMap.each(function (coordSysRecord) {
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var controller = coordSysRecord.controller;
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var firstDzInfo;
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var dataZoomInfoMap = coordSysRecord.dataZoomInfoMap;
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if (dataZoomInfoMap) {
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var firstDzKey = dataZoomInfoMap.keys()[0];
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if (firstDzKey != null) {
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firstDzInfo = dataZoomInfoMap.get(firstDzKey);
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}
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}
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if (!firstDzInfo) {
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disposeCoordSysRecord(coordSysRecordMap, coordSysRecord);
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return;
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}
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var controllerParams = mergeControllerParams(dataZoomInfoMap);
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controller.enable(controllerParams.controlType, controllerParams.opt);
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controller.setPointerChecker(coordSysRecord.containsPoint);
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throttleUtil.createOrUpdate(coordSysRecord, 'dispatchAction', firstDzInfo.model.get('throttle', true), 'fixRate');
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});
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});
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}
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