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<template>
<div class="flex flex-wrap check-btn">
<div v-for="item in options" :key="item[fieldNames.value]"
@click="onClick(item)"
:class="['py-2 px-3 shrink-0 check-btn-item',
{ 'check-btn-item-active': isSelect(item) },
{ 'check-btn-item-disabled': isDisabled(item) },
`text-align-${textAlign}`]"
>
{{ item[fieldNames.text] }}
</div>
</div>
</template>
<script>
export default {
name: 'CheckBtn',
props:{
value: [String, Number, Array],
// 选项
options: { default: () =>[] },
fieldNames: {
type: Object,
default: () => {
return {text: 'name', value: 'value'}
}
},
// 点击取消选中 单选
clearable: { default: true },
// 是否多选
multiple: Boolean,
textAlign: { default: 'center' },
// 关闭选中样式
activeStyleNone: Boolean
},
emits: ['update:value', 'change'],
data() {
return {
innerValue: undefined
}
},
created() {
this.init()
},
methods: {
init() {
this.innerValue = this.value
if (this.multiple) {
if (this.value != null && !Array.isArray(this.value)) {
console.warn('CheckBtn: multiple must be Array type')
}
this.innerValue = this.innerValue || []
}
},
onClick(item){
if (this.isDisabled(item)) {
return
}
const val = item[this.fieldNames.value]
if (this.multiple) {
if (this.innerValue.includes(val)) {
this.innerValue = this.innerValue.filter(e => e !== val)
} else {
this.innerValue.push(val)
}
} else {
if (this.clearable && this.innerValue === val) {
this.innerValue = undefined
} else {
this.innerValue = val
}
}
this.$emit('update:value', this.innerValue)
this.$emit('change', this.innerValue, item)
},
// 是否选中
isSelect(item){
if (this.activeStyleNone) {
return false
}
if (this.multiple) {
return this.innerValue.includes(item[this.fieldNames.value])
} else {
return item[this.fieldNames.value] === this.innerValue
}
},
isDisabled(item){
return item.disabled
}
},
watch: {
value: {
handler(value) {
this.innerValue = value
},
immediate: true
},
}
}
</script>
<style lang="less" scoped>
.check-btn {
row-gap: 10px;
column-gap: 10px;
.check-btn-item {
border: 1px solid transparent;
background-color: #FAFAFA;
border-radius: 8px;
text-align: center;
transition: all .2s;
}
.check-btn-item-active {
border: 1px solid var(--van-primary-color);
background-color: #F0F6FF;
color: var(--van-primary-color);
}
.check-btn-item-disabled {
background-color: #F0F6FF;
color: var(--van-primary-color);
// opacity: 0.5;
filter: grayscale(1);
}
.text-align-left {
text-align: left;
}
.text-align-center {
text-align: center;
}
.text-align-right {
text-align: right;
}
}
.check-btn.check-btn-workbench {
.check-btn-item {
border-radius: 30px;
padding-top: 4px;
padding-bottom: 4px;
color: #595959;
}
.check-btn-item-active {
color: var(--van-primary-color);
}
}
.check-btn[column-3] {
.check-btn-item {
width: calc(33.3% - 6.6px);
}
}
.check-btn[column-2] {
.check-btn-item {
width: calc(50% - 5px);
}
}
.check-btn[column-1] {
.check-btn-item {
width: 100%;
}
}
</style>