lepu-test-platform-web/node_modules/echarts/lib/chart/line/lineAnimationDiff.js

191 lines
6.7 KiB
JavaScript

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
var _helper = require("./helper");
var prepareDataCoordInfo = _helper.prepareDataCoordInfo;
var getStackedOnPoint = _helper.getStackedOnPoint;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
// var arrayDiff = require('zrender/src/core/arrayDiff');
// 'zrender/src/core/arrayDiff' has been used before, but it did
// not do well in performance when roam with fixed dataZoom window.
// function convertToIntId(newIdList, oldIdList) {
// // Generate int id instead of string id.
// // Compare string maybe slow in score function of arrDiff
// // Assume id in idList are all unique
// var idIndicesMap = {};
// var idx = 0;
// for (var i = 0; i < newIdList.length; i++) {
// idIndicesMap[newIdList[i]] = idx;
// newIdList[i] = idx++;
// }
// for (var i = 0; i < oldIdList.length; i++) {
// var oldId = oldIdList[i];
// // Same with newIdList
// if (idIndicesMap[oldId]) {
// oldIdList[i] = idIndicesMap[oldId];
// }
// else {
// oldIdList[i] = idx++;
// }
// }
// }
function diffData(oldData, newData) {
var diffResult = [];
newData.diff(oldData).add(function (idx) {
diffResult.push({
cmd: '+',
idx: idx
});
}).update(function (newIdx, oldIdx) {
diffResult.push({
cmd: '=',
idx: oldIdx,
idx1: newIdx
});
}).remove(function (idx) {
diffResult.push({
cmd: '-',
idx: idx
});
}).execute();
return diffResult;
}
function _default(oldData, newData, oldStackedOnPoints, newStackedOnPoints, oldCoordSys, newCoordSys, oldValueOrigin, newValueOrigin) {
var diff = diffData(oldData, newData); // var newIdList = newData.mapArray(newData.getId);
// var oldIdList = oldData.mapArray(oldData.getId);
// convertToIntId(newIdList, oldIdList);
// // FIXME One data ?
// diff = arrayDiff(oldIdList, newIdList);
var currPoints = [];
var nextPoints = []; // Points for stacking base line
var currStackedPoints = [];
var nextStackedPoints = [];
var status = [];
var sortedIndices = [];
var rawIndices = [];
var newDataOldCoordInfo = prepareDataCoordInfo(oldCoordSys, newData, oldValueOrigin);
var oldDataNewCoordInfo = prepareDataCoordInfo(newCoordSys, oldData, newValueOrigin);
for (var i = 0; i < diff.length; i++) {
var diffItem = diff[i];
var pointAdded = true; // FIXME, animation is not so perfect when dataZoom window moves fast
// Which is in case remvoing or add more than one data in the tail or head
switch (diffItem.cmd) {
case '=':
var currentPt = oldData.getItemLayout(diffItem.idx);
var nextPt = newData.getItemLayout(diffItem.idx1); // If previous data is NaN, use next point directly
if (isNaN(currentPt[0]) || isNaN(currentPt[1])) {
currentPt = nextPt.slice();
}
currPoints.push(currentPt);
nextPoints.push(nextPt);
currStackedPoints.push(oldStackedOnPoints[diffItem.idx]);
nextStackedPoints.push(newStackedOnPoints[diffItem.idx1]);
rawIndices.push(newData.getRawIndex(diffItem.idx1));
break;
case '+':
var idx = diffItem.idx;
currPoints.push(oldCoordSys.dataToPoint([newData.get(newDataOldCoordInfo.dataDimsForPoint[0], idx), newData.get(newDataOldCoordInfo.dataDimsForPoint[1], idx)]));
nextPoints.push(newData.getItemLayout(idx).slice());
currStackedPoints.push(getStackedOnPoint(newDataOldCoordInfo, oldCoordSys, newData, idx));
nextStackedPoints.push(newStackedOnPoints[idx]);
rawIndices.push(newData.getRawIndex(idx));
break;
case '-':
var idx = diffItem.idx;
var rawIndex = oldData.getRawIndex(idx); // Data is replaced. In the case of dynamic data queue
// FIXME FIXME FIXME
if (rawIndex !== idx) {
currPoints.push(oldData.getItemLayout(idx));
nextPoints.push(newCoordSys.dataToPoint([oldData.get(oldDataNewCoordInfo.dataDimsForPoint[0], idx), oldData.get(oldDataNewCoordInfo.dataDimsForPoint[1], idx)]));
currStackedPoints.push(oldStackedOnPoints[idx]);
nextStackedPoints.push(getStackedOnPoint(oldDataNewCoordInfo, newCoordSys, oldData, idx));
rawIndices.push(rawIndex);
} else {
pointAdded = false;
}
} // Original indices
if (pointAdded) {
status.push(diffItem);
sortedIndices.push(sortedIndices.length);
}
} // Diff result may be crossed if all items are changed
// Sort by data index
sortedIndices.sort(function (a, b) {
return rawIndices[a] - rawIndices[b];
});
var sortedCurrPoints = [];
var sortedNextPoints = [];
var sortedCurrStackedPoints = [];
var sortedNextStackedPoints = [];
var sortedStatus = [];
for (var i = 0; i < sortedIndices.length; i++) {
var idx = sortedIndices[i];
sortedCurrPoints[i] = currPoints[idx];
sortedNextPoints[i] = nextPoints[idx];
sortedCurrStackedPoints[i] = currStackedPoints[idx];
sortedNextStackedPoints[i] = nextStackedPoints[idx];
sortedStatus[i] = status[idx];
}
return {
current: sortedCurrPoints,
next: sortedNextPoints,
stackedOnCurrent: sortedCurrStackedPoints,
stackedOnNext: sortedNextStackedPoints,
status: sortedStatus
};
}
module.exports = _default;