add eslint
submenu.vue
3.56 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
<template>
<li :class="classes" @mouseenter="handleMouseenter" @mouseleave="handleMouseleave">
<div :class="[prefixCls + '-submenu-title']" v-el:reference @click="handleClick">
<slot name="title"></slot>
<Icon type="ios-arrow-down" :class="[prefixCls + '-submenu-title-icon']"></Icon>
</div>
<ul :class="[prefixCls]" v-if="mode === 'vertical'" v-show="opened"><slot></slot></ul>
<Drop v-else v-show="opened" placement="bottom" transition="slide-up" v-ref:drop><slot></slot></Drop>
</li>
</template>
<script>
import Drop from '../select/dropdown.vue';
import Icon from '../icon/icon.vue';
const prefixCls = 'ivu-menu';
export default {
name: 'Submenu',
components: { Icon, Drop },
props: {
key: {
type: [String, Number],
required: true
},
disabled: {
type: Boolean,
default: false
}
},
data () {
return {
prefixCls: prefixCls,
active: false,
opened: false
};
},
computed: {
classes () {
return [
`${prefixCls}-submenu`,
{
[`${prefixCls}-item-active`]: this.active,
[`${prefixCls}-opened`]: this.opened,
[`${prefixCls}-submenu-disabled`]: this.disabled
}
];
},
mode () {
return this.$parent.mode;
},
accordion () {
return this.$parent.accordion;
}
},
methods: {
handleMouseenter () {
if (this.disabled) return;
if (this.mode === 'vertical') return;
clearTimeout(this.timeout);
this.timeout = setTimeout(() => {
this.$parent.updateOpenKeys(this.key);
this.opened = true;
}, 250);
},
handleMouseleave () {
if (this.disabled) return;
if (this.mode === 'vertical') return;
clearTimeout(this.timeout);
this.timeout = setTimeout(() => {
this.$parent.updateOpenKeys(this.key);
this.opened = false;
}, 150);
},
handleClick () {
if (this.disabled) return;
if (this.mode === 'horizontal') return;
const opened = this.opened;
if (this.accordion) {
this.$parent.$children.forEach(item => {
if (item.$options.name === 'Submenu') item.opened = false;
});
}
this.opened = !opened;
this.$parent.updateOpenKeys(this.key);
}
},
watch: {
mode (val) {
if (val === 'horizontal') {
this.$refs.drop.update();
}
},
opened (val) {
if (this.mode === 'vertical') return;
if (val) {
this.$refs.drop.update();
} else {
this.$refs.drop.destroy();
}
}
},
events: {
'on-menu-item-select' () {
if (this.mode === 'horizontal') this.opened = false;
return true;
}
}
};
</script>