findPointFromSeries.js
2.32 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
/*
* 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/src/core/util';
import * as modelUtil from '../../util/model';
/**
* @param {Object} finder contains {seriesIndex, dataIndex, dataIndexInside}
* @param {module:echarts/model/Global} ecModel
* @return {Object} {point: [x, y], el: ...} point Will not be null.
*/
export default function (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) {
point = coordSys.dataToPoint(
data.getValues(
zrUtil.map(coordSys.dimensions, function (dim) {
return data.mapDimension(dim);
}), dataIndex, true
)
) || [];
}
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};
}