You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
3.8 KiB
104 lines
3.8 KiB
5 months ago
|
<template>
|
||
|
<view
|
||
|
class="u-checkbox-group"
|
||
|
:class="bemClass"
|
||
|
>
|
||
|
<slot></slot>
|
||
|
</view>
|
||
|
</template>
|
||
|
|
||
|
<script>
|
||
|
import props from './props.js';
|
||
|
/**
|
||
|
* checkboxGroup 复选框组
|
||
|
* @description 复选框组件一般用于需要多个选择的场景,该组件功能完整,使用方便
|
||
|
* @tutorial https://www.uviewui.com/components/checkbox.html
|
||
|
* @property {String} name 标识符
|
||
|
* @property {Array} value 绑定的值
|
||
|
* @property {String} shape 形状,circle-圆形,square-方形 (默认 'square' )
|
||
|
* @property {Boolean} disabled 是否禁用全部checkbox (默认 false )
|
||
|
* @property {String} activeColor 选中状态下的颜色,如设置此值,将会覆盖parent的activeColor值 (默认 '#2979ff' )
|
||
|
* @property {String} inactiveColor 未选中的颜色 (默认 '#c8c9cc' )
|
||
|
* @property {String | Number} size 整个组件的尺寸 单位px (默认 18 )
|
||
|
* @property {String} placement 布局方式,row-横向,column-纵向 (默认 'row' )
|
||
|
* @property {String | Number} labelSize label的字体大小,px单位 (默认 14 )
|
||
|
* @property {String} labelColor label的字体颜色 (默认 '#303133' )
|
||
|
* @property {Boolean} labelDisabled 是否禁止点击文本操作 (默认 false )
|
||
|
* @property {String} iconColor 图标颜色 (默认 '#ffffff' )
|
||
|
* @property {String | Number} iconSize 图标的大小,单位px (默认 12 )
|
||
|
* @property {String} iconPlacement 勾选图标的对齐方式,left-左边,right-右边 (默认 'left' )
|
||
|
* @property {Boolean} borderBottom placement为row时,是否显示下边框 (默认 false )
|
||
|
* @event {Function} change 任一个checkbox状态发生变化时触发,回调为一个对象
|
||
|
* @event {Function} input 修改通过v-model绑定的值时触发,回调为一个对象
|
||
|
* @example <u-checkbox-group></u-checkbox-group>
|
||
|
*/
|
||
|
export default {
|
||
|
name: 'u-checkbox-group',
|
||
|
mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
|
||
|
computed: {
|
||
|
// 这里computed的变量,都是子组件u-checkbox需要用到的,由于头条小程序的兼容性差异,子组件无法实时监听父组件参数的变化
|
||
|
// 所以需要手动通知子组件,这里返回一个parentData变量,供watch监听,在其中去通知每一个子组件重新从父组件(u-checkbox-group)
|
||
|
// 拉取父组件新的变化后的参数
|
||
|
parentData() {
|
||
|
return [this.value, this.disabled, this.inactiveColor, this.activeColor, this.size, this.labelDisabled, this.shape,
|
||
|
this.iconSize, this.borderBottom, this.placement
|
||
|
]
|
||
|
},
|
||
|
bemClass() {
|
||
|
// this.bem为一个computed变量,在mixin中
|
||
|
return this.bem('checkbox-group', ['placement'])
|
||
|
},
|
||
|
},
|
||
|
watch: {
|
||
|
// 当父组件需要子组件需要共享的参数发生了变化,手动通知子组件
|
||
|
parentData() {
|
||
|
if (this.children.length) {
|
||
|
this.children.map(child => {
|
||
|
// 判断子组件(u-checkbox)如果有init方法的话,就就执行(执行的结果是子组件重新从父组件拉取了最新的值)
|
||
|
typeof(child.init) === 'function' && child.init()
|
||
|
})
|
||
|
}
|
||
|
},
|
||
|
},
|
||
|
data() {
|
||
|
return {
|
||
|
|
||
|
}
|
||
|
},
|
||
|
created() {
|
||
|
this.children = []
|
||
|
},
|
||
|
methods: {
|
||
|
// 将其他的checkbox设置为未选中的状态
|
||
|
unCheckedOther(childInstance) {
|
||
|
const values = []
|
||
|
this.children.map(child => {
|
||
|
// 将被选中的checkbox,放到数组中返回
|
||
|
if (child.isChecked) {
|
||
|
values.push(child.name)
|
||
|
}
|
||
|
})
|
||
|
// 发出事件
|
||
|
this.$emit('change', values)
|
||
|
// 修改通过v-model绑定的值
|
||
|
this.$emit('input', values)
|
||
|
},
|
||
|
}
|
||
|
}
|
||
|
</script>
|
||
|
|
||
|
<style lang="scss" scoped>
|
||
|
@import "../../libs/css/components.scss";
|
||
|
|
||
|
.u-checkbox-group {
|
||
|
|
||
|
&--row {
|
||
|
@include flex;
|
||
|
}
|
||
|
|
||
|
&--column {
|
||
|
@include flex(column);
|
||
|
}
|
||
|
}
|
||
|
</style>
|