index.js
1.1 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
import { VantComponent } from '../common/component';
VantComponent({
relation: {
name: 'badge',
type: 'descendant',
linked: function linked(target) {
this.badges.push(target);
this.setActive();
},
unlinked: function unlinked(target) {
this.badges = this.badges.filter(function (item) {
return item !== target;
});
this.setActive();
}
},
props: {
active: {
type: Number,
value: 0
}
},
watch: {
active: 'setActive'
},
beforeCreate: function beforeCreate() {
this.badges = [];
this.currentActive = -1;
},
methods: {
setActive: function setActive(badge) {
var active = this.data.active;
var badges = this.badges;
if (badge) {
active = badges.indexOf(badge);
}
if (active === this.currentActive) {
return;
}
if (this.currentActive !== -1 && badges[this.currentActive]) {
this.$emit('change', active);
badges[this.currentActive].setActive(false);
}
if (badges[active]) {
badges[active].setActive(true);
this.currentActive = active;
}
}
}
});