Blame view

node_modules/echarts/src/action/geoRoam.js 2.3 KB
aaac7fed   liuqimichale   add
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
  /*
  * 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 echarts from '../echarts';
  import * as zrUtil from 'zrender/src/core/util';
  import {updateCenterAndZoom} from './roamHelper';
  
  /**
   * @payload
   * @property {string} [componentType=series]
   * @property {number} [dx]
   * @property {number} [dy]
   * @property {number} [zoom]
   * @property {number} [originX]
   * @property {number} [originY]
   */
  echarts.registerAction({
      type: 'geoRoam',
      event: 'geoRoam',
      update: 'updateTransform'
  }, function (payload, ecModel) {
      var componentType = payload.componentType || 'series';
  
      ecModel.eachComponent(
          { mainType: componentType, query: payload },
          function (componentModel) {
              var geo = componentModel.coordinateSystem;
              if (geo.type !== 'geo') {
                  return;
              }
  
              var res = updateCenterAndZoom(
                  geo, payload, componentModel.get('scaleLimit')
              );
  
              componentModel.setCenter
                  && componentModel.setCenter(res.center);
  
              componentModel.setZoom
                  && componentModel.setZoom(res.zoom);
  
              // All map series with same `map` use the same geo coordinate system
              // So the center and zoom must be in sync. Include the series not selected by legend
              if (componentType === 'series') {
                  zrUtil.each(componentModel.seriesGroup, function (seriesModel) {
                      seriesModel.setCenter(res.center);
                      seriesModel.setZoom(res.zoom);
                  });
              }
          }
      );
  });