Chart.js
3.89 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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
define(function (require) {
var Group = require('zrender/container/Group');
var componentUtil = require('../util/component');
var clazzUtil = require('../util/clazz');
function Chart() {
/**
* @type {module:zrender/container/Group}
* @readOnly
*/
this.group = new Group();
/**
* @type {string}
* @readOnly
*/
this.uid = componentUtil.getUID('viewChart');
}
Chart.prototype = {
type: 'chart',
/**
* Init the chart
* @param {module:echarts/model/Global} ecModel
* @param {module:echarts/ExtensionAPI} api
*/
init: function (ecModel, api) {},
/**
* Render the chart
* @param {module:echarts/model/Series} seriesModel
* @param {module:echarts/model/Global} ecModel
* @param {module:echarts/ExtensionAPI} api
* @param {Object} payload
*/
render: function (seriesModel, ecModel, api, payload) {},
/**
* Highlight series or specified data item
* @param {module:echarts/model/Series} seriesModel
* @param {module:echarts/model/Global} ecModel
* @param {module:echarts/ExtensionAPI} api
* @param {Object} payload
*/
highlight: function (seriesModel, ecModel, api, payload) {
toggleHighlight(seriesModel.getData(), payload, 'emphasis');
},
/**
* Downplay series or specified data item
* @param {module:echarts/model/Series} seriesModel
* @param {module:echarts/model/Global} ecModel
* @param {module:echarts/ExtensionAPI} api
* @param {Object} payload
*/
downplay: function (seriesModel, ecModel, api, payload) {
toggleHighlight(seriesModel.getData(), payload, 'normal');
},
/**
* Remove self
* @param {module:echarts/model/Global} ecModel
* @param {module:echarts/ExtensionAPI} api
*/
remove: function (ecModel, api) {
this.group.removeAll();
},
/**
* Dispose self
* @param {module:echarts/model/Global} ecModel
* @param {module:echarts/ExtensionAPI} api
*/
dispose: function () {}
};
var chartProto = Chart.prototype;
chartProto.updateView
= chartProto.updateLayout
= chartProto.updateVisual
= function (seriesModel, ecModel, api, payload) {
this.render(seriesModel, ecModel, api, payload);
};
/**
* Set state of single element
* @param {module:zrender/Element} el
* @param {string} state
*/
function elSetState(el, state) {
if (el) {
el.trigger(state);
if (el.type === 'group') {
for (var i = 0; i < el.childCount(); i++) {
elSetState(el.childAt(i), state);
}
}
}
}
/**
* @param {module:echarts/data/List} data
* @param {Object} payload
* @param {string} state 'normal'|'emphasis'
* @inner
*/
function toggleHighlight(data, payload, state) {
if (payload.dataIndex != null) {
var el = data.getItemGraphicEl(payload.dataIndex);
elSetState(el, state);
}
else if (payload.name) {
var dataIndex = data.indexOfName(payload.name);
var el = data.getItemGraphicEl(dataIndex);
elSetState(el, state);
}
else {
data.eachItemGraphicEl(function (el) {
elSetState(el, state);
});
}
}
// Enable Chart.extend.
clazzUtil.enableClassExtend(Chart);
// Add capability of registerClass, getClass, hasClass, registerSubTypeDefaulter and so on.
clazzUtil.enableClassManagement(Chart, {registerWhenExtend: true});
return Chart;
});