project/node_modules/echarts/lib/component/axisPointer/findPointFromSeries.js

98 lines
3.6 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.
*/
/**
* AUTO-GENERATED FILE. DO NOT MODIFY.
*/
/*
* 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.
*/
import * as zrUtil from 'zrender/lib/core/util.js';
import * as modelUtil from '../../util/model.js';
/**
* @param finder contains {seriesIndex, dataIndex, dataIndexInside}
* @param ecModel
* @return {point: [x, y], el: ...} point Will not be null.
*/
export default function findPointFromSeries(finder, ecModel) {
var point = [];
var seriesIndex = finder.seriesIndex;
var seriesModel;
if (seriesIndex == null || !(seriesModel = ecModel.getSeriesByIndex(seriesIndex))) {
return {
point: []
};
}
var data = seriesModel.getData();
var dataIndex = modelUtil.queryDataIndex(data, finder);
if (dataIndex == null || dataIndex < 0 || zrUtil.isArray(dataIndex)) {
return {
point: []
};
}
var el = data.getItemGraphicEl(dataIndex);
var coordSys = seriesModel.coordinateSystem;
if (seriesModel.getTooltipPosition) {
point = seriesModel.getTooltipPosition(dataIndex) || [];
} else if (coordSys && coordSys.dataToPoint) {
if (finder.isStacked) {
var baseAxis = coordSys.getBaseAxis();
var valueAxis = coordSys.getOtherAxis(baseAxis);
var valueAxisDim = valueAxis.dim;
var baseAxisDim = baseAxis.dim;
var baseDataOffset = valueAxisDim === 'x' || valueAxisDim === 'radius' ? 1 : 0;
var baseDim = data.mapDimension(baseAxisDim);
var stackedData = [];
stackedData[baseDataOffset] = data.get(baseDim, dataIndex);
stackedData[1 - baseDataOffset] = data.get(data.getCalculationInfo('stackResultDimension'), dataIndex);
point = coordSys.dataToPoint(stackedData) || [];
} else {
point = coordSys.dataToPoint(data.getValues(zrUtil.map(coordSys.dimensions, function (dim) {
return data.mapDimension(dim);
}), dataIndex)) || [];
}
} else if (el) {
// Use graphic bounding rect
var rect = el.getBoundingRect().clone();
rect.applyTransform(el.transform);
point = [rect.x + rect.width / 2, rect.y + rect.height / 2];
}
return {
point: point,
el: el
};
}