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
| import { VantComponent } from '../common/component';
| import { useParent } from '../common/relation';
| VantComponent({
| props: {
| info: null,
| name: null,
| icon: String,
| dot: Boolean,
| iconPrefix: {
| type: String,
| value: 'van-icon',
| },
| },
| relation: useParent('tabbar'),
| data: {
| active: false,
| activeColor: '',
| inactiveColor: '',
| },
| methods: {
| onClick() {
| const { parent } = this;
| if (parent) {
| const index = parent.children.indexOf(this);
| const active = this.data.name || index;
| if (active !== this.data.active) {
| parent.$emit('change', active);
| }
| }
| this.$emit('click');
| },
| updateFromParent() {
| const { parent } = this;
| if (!parent) {
| return;
| }
| const index = parent.children.indexOf(this);
| const parentData = parent.data;
| const { data } = this;
| const active = (data.name || index) === parentData.active;
| const patch = {};
| if (active !== data.active) {
| patch.active = active;
| }
| if (parentData.activeColor !== data.activeColor) {
| patch.activeColor = parentData.activeColor;
| }
| if (parentData.inactiveColor !== data.inactiveColor) {
| patch.inactiveColor = parentData.inactiveColor;
| }
| if (Object.keys(patch).length > 0) {
| this.setData(patch);
| }
| },
| },
| });
|
|