click-out.js
1.64 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
import { extend } from '../vue'
import { EVENT_OPTIONS_NO_CAPTURE } from '../constants/events'
import { contains } from '../utils/dom'
import { eventOn, eventOff } from '../utils/events'
// @vue/component
export const clickOutMixin = extend({
data() {
return {
listenForClickOut: false
}
},
watch: {
listenForClickOut(newValue, oldValue) {
if (newValue !== oldValue) {
eventOff(
this.clickOutElement,
this.clickOutEventName,
this._clickOutHandler,
EVENT_OPTIONS_NO_CAPTURE
)
if (newValue) {
eventOn(
this.clickOutElement,
this.clickOutEventName,
this._clickOutHandler,
EVENT_OPTIONS_NO_CAPTURE
)
}
}
}
},
beforeCreate() {
// Declare non-reactive properties
this.clickOutElement = null
this.clickOutEventName = null
},
mounted() {
if (!this.clickOutElement) {
this.clickOutElement = document
}
if (!this.clickOutEventName) {
this.clickOutEventName = 'click'
}
if (this.listenForClickOut) {
eventOn(
this.clickOutElement,
this.clickOutEventName,
this._clickOutHandler,
EVENT_OPTIONS_NO_CAPTURE
)
}
},
beforeDestroy() {
eventOff(
this.clickOutElement,
this.clickOutEventName,
this._clickOutHandler,
EVENT_OPTIONS_NO_CAPTURE
)
},
methods: {
isClickOut(event) {
return !contains(this.$el, event.target)
},
_clickOutHandler(event) {
if (this.clickOutHandler && this.isClickOut(event)) {
this.clickOutHandler(event)
}
}
}
})