lepu-test-platform-web/node_modules/echarts/lib/chart/boxplot/boxplotLayout.js

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/*
* 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 zrUtil = require("zrender/lib/core/util");
var _number = require("../../util/number");
var parsePercent = _number.parsePercent;
/*
* 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 each = zrUtil.each;
function _default(ecModel) {
var groupResult = groupSeriesByAxis(ecModel);
each(groupResult, function (groupItem) {
var seriesModels = groupItem.seriesModels;
if (!seriesModels.length) {
return;
}
calculateBase(groupItem);
each(seriesModels, function (seriesModel, idx) {
layoutSingleSeries(seriesModel, groupItem.boxOffsetList[idx], groupItem.boxWidthList[idx]);
});
});
}
/**
* Group series by axis.
*/
function groupSeriesByAxis(ecModel) {
var result = [];
var axisList = [];
ecModel.eachSeriesByType('boxplot', function (seriesModel) {
var baseAxis = seriesModel.getBaseAxis();
var idx = zrUtil.indexOf(axisList, baseAxis);
if (idx < 0) {
idx = axisList.length;
axisList[idx] = baseAxis;
result[idx] = {
axis: baseAxis,
seriesModels: []
};
}
result[idx].seriesModels.push(seriesModel);
});
return result;
}
/**
* Calculate offset and box width for each series.
*/
function calculateBase(groupItem) {
var extent;
var baseAxis = groupItem.axis;
var seriesModels = groupItem.seriesModels;
var seriesCount = seriesModels.length;
var boxWidthList = groupItem.boxWidthList = [];
var boxOffsetList = groupItem.boxOffsetList = [];
var boundList = [];
var bandWidth;
if (baseAxis.type === 'category') {
bandWidth = baseAxis.getBandWidth();
} else {
var maxDataCount = 0;
each(seriesModels, function (seriesModel) {
maxDataCount = Math.max(maxDataCount, seriesModel.getData().count());
});
extent = baseAxis.getExtent(), Math.abs(extent[1] - extent[0]) / maxDataCount;
}
each(seriesModels, function (seriesModel) {
var boxWidthBound = seriesModel.get('boxWidth');
if (!zrUtil.isArray(boxWidthBound)) {
boxWidthBound = [boxWidthBound, boxWidthBound];
}
boundList.push([parsePercent(boxWidthBound[0], bandWidth) || 0, parsePercent(boxWidthBound[1], bandWidth) || 0]);
});
var availableWidth = bandWidth * 0.8 - 2;
var boxGap = availableWidth / seriesCount * 0.3;
var boxWidth = (availableWidth - boxGap * (seriesCount - 1)) / seriesCount;
var base = boxWidth / 2 - availableWidth / 2;
each(seriesModels, function (seriesModel, idx) {
boxOffsetList.push(base);
base += boxGap + boxWidth;
boxWidthList.push(Math.min(Math.max(boxWidth, boundList[idx][0]), boundList[idx][1]));
});
}
/**
* Calculate points location for each series.
*/
function layoutSingleSeries(seriesModel, offset, boxWidth) {
var coordSys = seriesModel.coordinateSystem;
var data = seriesModel.getData();
var halfWidth = boxWidth / 2;
var cDimIdx = seriesModel.get('layout') === 'horizontal' ? 0 : 1;
var vDimIdx = 1 - cDimIdx;
var coordDims = ['x', 'y'];
var cDim = data.mapDimension(coordDims[cDimIdx]);
var vDims = data.mapDimension(coordDims[vDimIdx], true);
if (cDim == null || vDims.length < 5) {
return;
}
for (var dataIndex = 0; dataIndex < data.count(); dataIndex++) {
var axisDimVal = data.get(cDim, dataIndex);
var median = getPoint(axisDimVal, vDims[2], dataIndex);
var end1 = getPoint(axisDimVal, vDims[0], dataIndex);
var end2 = getPoint(axisDimVal, vDims[1], dataIndex);
var end4 = getPoint(axisDimVal, vDims[3], dataIndex);
var end5 = getPoint(axisDimVal, vDims[4], dataIndex);
var ends = [];
addBodyEnd(ends, end2, 0);
addBodyEnd(ends, end4, 1);
ends.push(end1, end2, end5, end4);
layEndLine(ends, end1);
layEndLine(ends, end5);
layEndLine(ends, median);
data.setItemLayout(dataIndex, {
initBaseline: median[vDimIdx],
ends: ends
});
}
function getPoint(axisDimVal, dimIdx, dataIndex) {
var val = data.get(dimIdx, dataIndex);
var p = [];
p[cDimIdx] = axisDimVal;
p[vDimIdx] = val;
var point;
if (isNaN(axisDimVal) || isNaN(val)) {
point = [NaN, NaN];
} else {
point = coordSys.dataToPoint(p);
point[cDimIdx] += offset;
}
return point;
}
function addBodyEnd(ends, point, start) {
var point1 = point.slice();
var point2 = point.slice();
point1[cDimIdx] += halfWidth;
point2[cDimIdx] -= halfWidth;
start ? ends.push(point1, point2) : ends.push(point2, point1);
}
function layEndLine(ends, endCenter) {
var from = endCenter.slice();
var to = endCenter.slice();
from[cDimIdx] -= halfWidth;
to[cDimIdx] += halfWidth;
ends.push(from, to);
}
}
module.exports = _default;