zhaojs
2023-07-18 0e1bce71603c5cbb92b3fe6387c87430528d18a9
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
<template>
    <view class="u-collapse">
        <slot />
    </view>
</template>
 
<script>
    /**
     * collapse 手风琴
     * @description 通过折叠面板收纳内容区域
     * @tutorial https://www.uviewui.com/components/collapse.html
     * @property {Boolean} accordion 是否手风琴模式(默认true)
     * @property {Boolean} arrow 是否显示标题右侧的箭头(默认true)
     * @property {String} arrow-color 标题右侧箭头的颜色(默认#909399)
     * @property {Object} head-style 标题自定义样式,对象形式
     * @property {Object} body-style 主体自定义样式,对象形式
     * @property {String} hover-class 样式类名,按下时有效(默认u-hover-class)
     * @event {Function} change 当前激活面板展开时触发(如果是手风琴模式,参数activeNames类型为String,否则为Array)
     * @example <u-collapse></u-collapse>
     */
    export default {
        name:"u-collapse",
        props: {
            // 是否手风琴模式
            accordion: {
                type: Boolean,
                default: true
            },
            // 头部的样式
            headStyle: {
                type: Object,
                default () {
                    return {}
                }
            },
            // 主体的样式
            bodyStyle: {
                type: Object,
                default () {
                    return {}
                }
            },
            // 每一个item的样式
            itemStyle: {
                type: Object,
                default () {
                    return {}
                }
            },
            // 是否显示右侧的箭头
            arrow: {
                type: Boolean,
                default: true
            },
            // 箭头的颜色
            arrowColor: {
                type: String,
                default: '#909399'
            },
            // 标题部分按压时的样式类,"none"为无效果
            hoverClass: {
                type: String,
                default: 'u-hover-class'
            }
        },
        provide() {
            return {
                uCollapse: this
            }
        },
        created() {
            this.childrens = []
        },
        data() {
            return {
 
            }
        },
        methods: {
            // 重新初始化一次内部的所有子元素的高度计算,用于异步获取数据渲染的情况
            init() {
                this.childrens.forEach((vm, index) => {
                    vm.init();
                })
            },
            // collapse item被点击,由collapse item调用父组件方法
            onChange() {
                let activeItem = [];
                this.childrens.forEach((vm, index) => {
                    if (vm.isShow) {
                        activeItem.push(vm.nameSync);
                    }
                })
                // 如果是手风琴模式,只有一个匹配结果,也即activeItem长度为1,将其转为字符串
                if (this.accordion) activeItem = activeItem.join('');
                this.$emit('change', activeItem);
            }
        }
    }
</script>
 
<style lang="scss" scoped>
    @import "../../libs/css/style.components.scss";
</style>