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frontend/node_modules/echarts/lib/chart/helper/SymbolDraw.js
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frontend/node_modules/echarts/lib/chart/helper/SymbolDraw.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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import * as graphic from '../../util/graphic.js';
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import SymbolClz from './Symbol.js';
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import { isObject } from 'zrender/lib/core/util.js';
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import { getLabelStatesModels } from '../../label/labelStyle.js';
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function symbolNeedsDraw(data, point, idx, opt) {
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return point && !isNaN(point[0]) && !isNaN(point[1]) && !(opt.isIgnore && opt.isIgnore(idx))
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// We do not set clipShape on group, because it will cut part of
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// the symbol element shape. We use the same clip shape here as
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// the line clip.
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&& !(opt.clipShape && !opt.clipShape.contain(point[0], point[1])) && data.getItemVisual(idx, 'symbol') !== 'none';
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}
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function normalizeUpdateOpt(opt) {
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if (opt != null && !isObject(opt)) {
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opt = {
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isIgnore: opt
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};
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}
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return opt || {};
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}
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function makeSeriesScope(data) {
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var seriesModel = data.hostModel;
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var emphasisModel = seriesModel.getModel('emphasis');
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return {
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emphasisItemStyle: emphasisModel.getModel('itemStyle').getItemStyle(),
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blurItemStyle: seriesModel.getModel(['blur', 'itemStyle']).getItemStyle(),
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selectItemStyle: seriesModel.getModel(['select', 'itemStyle']).getItemStyle(),
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focus: emphasisModel.get('focus'),
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blurScope: emphasisModel.get('blurScope'),
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emphasisDisabled: emphasisModel.get('disabled'),
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hoverScale: emphasisModel.get('scale'),
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labelStatesModels: getLabelStatesModels(seriesModel),
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cursorStyle: seriesModel.get('cursor')
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};
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}
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var SymbolDraw = /** @class */function () {
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function SymbolDraw(SymbolCtor) {
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this.group = new graphic.Group();
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this._SymbolCtor = SymbolCtor || SymbolClz;
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}
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/**
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* Update symbols draw by new data
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*/
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SymbolDraw.prototype.updateData = function (data, opt) {
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// Remove progressive els.
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this._progressiveEls = null;
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opt = normalizeUpdateOpt(opt);
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var group = this.group;
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var seriesModel = data.hostModel;
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var oldData = this._data;
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var SymbolCtor = this._SymbolCtor;
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var disableAnimation = opt.disableAnimation;
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var seriesScope = makeSeriesScope(data);
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var symbolUpdateOpt = {
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disableAnimation: disableAnimation
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};
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var getSymbolPoint = opt.getSymbolPoint || function (idx) {
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return data.getItemLayout(idx);
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};
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// There is no oldLineData only when first rendering or switching from
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// stream mode to normal mode, where previous elements should be removed.
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if (!oldData) {
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group.removeAll();
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}
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data.diff(oldData).add(function (newIdx) {
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var point = getSymbolPoint(newIdx);
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if (symbolNeedsDraw(data, point, newIdx, opt)) {
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var symbolEl = new SymbolCtor(data, newIdx, seriesScope, symbolUpdateOpt);
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symbolEl.setPosition(point);
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data.setItemGraphicEl(newIdx, symbolEl);
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group.add(symbolEl);
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}
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}).update(function (newIdx, oldIdx) {
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var symbolEl = oldData.getItemGraphicEl(oldIdx);
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var point = getSymbolPoint(newIdx);
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if (!symbolNeedsDraw(data, point, newIdx, opt)) {
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group.remove(symbolEl);
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return;
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}
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var newSymbolType = data.getItemVisual(newIdx, 'symbol') || 'circle';
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var oldSymbolType = symbolEl && symbolEl.getSymbolType && symbolEl.getSymbolType();
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if (!symbolEl
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// Create a new if symbol type changed.
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|| oldSymbolType && oldSymbolType !== newSymbolType) {
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group.remove(symbolEl);
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symbolEl = new SymbolCtor(data, newIdx, seriesScope, symbolUpdateOpt);
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symbolEl.setPosition(point);
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} else {
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symbolEl.updateData(data, newIdx, seriesScope, symbolUpdateOpt);
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var target = {
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x: point[0],
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y: point[1]
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};
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disableAnimation ? symbolEl.attr(target) : graphic.updateProps(symbolEl, target, seriesModel);
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}
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// Add back
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group.add(symbolEl);
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data.setItemGraphicEl(newIdx, symbolEl);
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}).remove(function (oldIdx) {
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var el = oldData.getItemGraphicEl(oldIdx);
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el && el.fadeOut(function () {
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group.remove(el);
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}, seriesModel);
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}).execute();
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this._getSymbolPoint = getSymbolPoint;
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this._data = data;
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};
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;
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SymbolDraw.prototype.updateLayout = function () {
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var _this = this;
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var data = this._data;
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if (data) {
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// Not use animation
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data.eachItemGraphicEl(function (el, idx) {
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var point = _this._getSymbolPoint(idx);
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el.setPosition(point);
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el.markRedraw();
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});
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}
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};
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;
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SymbolDraw.prototype.incrementalPrepareUpdate = function (data) {
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this._seriesScope = makeSeriesScope(data);
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this._data = null;
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this.group.removeAll();
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};
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;
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/**
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* Update symbols draw by new data
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*/
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SymbolDraw.prototype.incrementalUpdate = function (taskParams, data, opt) {
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// Clear
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this._progressiveEls = [];
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opt = normalizeUpdateOpt(opt);
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function updateIncrementalAndHover(el) {
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if (!el.isGroup) {
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el.incremental = true;
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el.ensureState('emphasis').hoverLayer = true;
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}
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}
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for (var idx = taskParams.start; idx < taskParams.end; idx++) {
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var point = data.getItemLayout(idx);
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if (symbolNeedsDraw(data, point, idx, opt)) {
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var el = new this._SymbolCtor(data, idx, this._seriesScope);
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el.traverse(updateIncrementalAndHover);
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el.setPosition(point);
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this.group.add(el);
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data.setItemGraphicEl(idx, el);
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this._progressiveEls.push(el);
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}
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}
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};
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;
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SymbolDraw.prototype.eachRendered = function (cb) {
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graphic.traverseElements(this._progressiveEls || this.group, cb);
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};
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SymbolDraw.prototype.remove = function (enableAnimation) {
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var group = this.group;
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var data = this._data;
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// Incremental model do not have this._data.
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if (data && enableAnimation) {
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data.eachItemGraphicEl(function (el) {
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el.fadeOut(function () {
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group.remove(el);
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}, data.hostModel);
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});
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} else {
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group.removeAll();
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}
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};
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;
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return SymbolDraw;
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}();
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export default SymbolDraw;
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