tree.vue
3.22 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
<template>
<div>
<Tree :data="baseData" :load-data="loadData" show-checkbox multiple></Tree>
<Button @click="handleAdd">add</Button>
<Button @click="handleUpdate">update</Button>
</div>
</template>
<script>
export default {
data () {
return {
baseData: [
{
expand: true,
title: 'parent 1',
children: [
{
title: 'parent 1-0',
expand: false,
children: [],
loading: false
},
{
title: 'parent 1-1',
expand: true,
checked: true,
children: [
{
title: '<span style="color: red">leaf</span>',
render: (h) => {
return h('Button', {
props: {
type: 'primary',
size: 'small'
},
on: {
click: ({target}) => {
this.logger(target.textContent);
}
}
}, 'I\'m a button!');
}
}
]
}
]
}
]
};
},
methods: {
handleAdd () {
this.baseData.push(
{
title: 'test name',
checked: true
}
);
},
handleUpdate () {
const child = this.baseData[0].children[0].children[1];
// console.log(JSON.stringify(this.baseData), '\n', JSON.stringify(child));
if (!child) return this.$Message.error('Node is async and is not loaded yet');
else this.$set(child, 'checked', true);
},
logger (txt) {
console.log(txt);
},
loadData (item, callback) {
setTimeout(() => {
callback([
{
title: 'children-1',
loading: false,
children: []
},
{
title: 'children-2',
loading: false,
children: []
}
]);
}, 2000);
}
}
};
</script>