逐步完成前后端服务器
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frontend/node_modules/echarts/lib/chart/line/lineAnimationDiff.js
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frontend/node_modules/echarts/lib/chart/line/lineAnimationDiff.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 { prepareDataCoordInfo, getStackedOnPoint } from './helper.js';
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import { createFloat32Array } from '../../util/vendor.js';
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function diffData(oldData, newData) {
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var diffResult = [];
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newData.diff(oldData).add(function (idx) {
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diffResult.push({
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cmd: '+',
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idx: idx
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});
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}).update(function (newIdx, oldIdx) {
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diffResult.push({
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cmd: '=',
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idx: oldIdx,
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idx1: newIdx
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});
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}).remove(function (idx) {
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diffResult.push({
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cmd: '-',
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idx: idx
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});
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}).execute();
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return diffResult;
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}
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export default function lineAnimationDiff(oldData, newData, oldStackedOnPoints, newStackedOnPoints, oldCoordSys, newCoordSys, oldValueOrigin, newValueOrigin) {
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var diff = diffData(oldData, newData);
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// let newIdList = newData.mapArray(newData.getId);
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// let oldIdList = oldData.mapArray(oldData.getId);
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// convertToIntId(newIdList, oldIdList);
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// // FIXME One data ?
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// diff = arrayDiff(oldIdList, newIdList);
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var currPoints = [];
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var nextPoints = [];
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// Points for stacking base line
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var currStackedPoints = [];
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var nextStackedPoints = [];
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var status = [];
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var sortedIndices = [];
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var rawIndices = [];
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var newDataOldCoordInfo = prepareDataCoordInfo(oldCoordSys, newData, oldValueOrigin);
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// const oldDataNewCoordInfo = prepareDataCoordInfo(newCoordSys, oldData, newValueOrigin);
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var oldPoints = oldData.getLayout('points') || [];
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var newPoints = newData.getLayout('points') || [];
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for (var i = 0; i < diff.length; i++) {
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var diffItem = diff[i];
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var pointAdded = true;
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var oldIdx2 = void 0;
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var newIdx2 = void 0;
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// FIXME, animation is not so perfect when dataZoom window moves fast
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// Which is in case remvoing or add more than one data in the tail or head
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switch (diffItem.cmd) {
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case '=':
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oldIdx2 = diffItem.idx * 2;
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newIdx2 = diffItem.idx1 * 2;
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var currentX = oldPoints[oldIdx2];
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var currentY = oldPoints[oldIdx2 + 1];
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var nextX = newPoints[newIdx2];
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var nextY = newPoints[newIdx2 + 1];
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// If previous data is NaN, use next point directly
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if (isNaN(currentX) || isNaN(currentY)) {
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currentX = nextX;
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currentY = nextY;
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}
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currPoints.push(currentX, currentY);
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nextPoints.push(nextX, nextY);
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currStackedPoints.push(oldStackedOnPoints[oldIdx2], oldStackedOnPoints[oldIdx2 + 1]);
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nextStackedPoints.push(newStackedOnPoints[newIdx2], newStackedOnPoints[newIdx2 + 1]);
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rawIndices.push(newData.getRawIndex(diffItem.idx1));
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break;
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case '+':
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var newIdx = diffItem.idx;
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var newDataDimsForPoint = newDataOldCoordInfo.dataDimsForPoint;
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var oldPt = oldCoordSys.dataToPoint([newData.get(newDataDimsForPoint[0], newIdx), newData.get(newDataDimsForPoint[1], newIdx)]);
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newIdx2 = newIdx * 2;
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currPoints.push(oldPt[0], oldPt[1]);
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nextPoints.push(newPoints[newIdx2], newPoints[newIdx2 + 1]);
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var stackedOnPoint = getStackedOnPoint(newDataOldCoordInfo, oldCoordSys, newData, newIdx);
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currStackedPoints.push(stackedOnPoint[0], stackedOnPoint[1]);
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nextStackedPoints.push(newStackedOnPoints[newIdx2], newStackedOnPoints[newIdx2 + 1]);
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rawIndices.push(newData.getRawIndex(newIdx));
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break;
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case '-':
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pointAdded = false;
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}
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// Original indices
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if (pointAdded) {
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status.push(diffItem);
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sortedIndices.push(sortedIndices.length);
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}
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}
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// Diff result may be crossed if all items are changed
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// Sort by data index
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sortedIndices.sort(function (a, b) {
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return rawIndices[a] - rawIndices[b];
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});
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var len = currPoints.length;
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var sortedCurrPoints = createFloat32Array(len);
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var sortedNextPoints = createFloat32Array(len);
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var sortedCurrStackedPoints = createFloat32Array(len);
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var sortedNextStackedPoints = createFloat32Array(len);
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var sortedStatus = [];
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for (var i = 0; i < sortedIndices.length; i++) {
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var idx = sortedIndices[i];
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var i2 = i * 2;
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var idx2 = idx * 2;
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sortedCurrPoints[i2] = currPoints[idx2];
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sortedCurrPoints[i2 + 1] = currPoints[idx2 + 1];
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sortedNextPoints[i2] = nextPoints[idx2];
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sortedNextPoints[i2 + 1] = nextPoints[idx2 + 1];
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sortedCurrStackedPoints[i2] = currStackedPoints[idx2];
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sortedCurrStackedPoints[i2 + 1] = currStackedPoints[idx2 + 1];
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sortedNextStackedPoints[i2] = nextStackedPoints[idx2];
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sortedNextStackedPoints[i2 + 1] = nextStackedPoints[idx2 + 1];
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sortedStatus[i] = status[idx];
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}
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return {
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current: sortedCurrPoints,
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next: sortedNextPoints,
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stackedOnCurrent: sortedCurrStackedPoints,
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stackedOnNext: sortedNextStackedPoints,
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status: sortedStatus
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};
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}
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