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<template>
<a-tooltip :title="title" :overlayStyle="{zIndex: 2001}">
<div class="img-check-box" @click="toggle">
<img :src="img" />
<div v-if="sChecked" class="check-item">
<a-icon type="check" />
</div>
</div>
</a-tooltip>
</template>
<script>
const Group = {
name: 'ImgCheckboxGroup',
props: {
multiple: {
type: Boolean,
required: false,
default: false
},
defaultValues: {
type: Array,
required: false,
default: () => []
}
},
data () {
return {
values: [],
options: []
}
},
provide () {
return {
groupContext: this
}
},
watch: {
'values': function (value) {
this.$emit('change', value)
// // 此条件是为解决单选时，触发两次chang事件问题
// if (!(newVal.length === 1 && oldVal.length === 1 && newVal[0] === oldVal[0])) {
// this.$emit('change', this.values)
// }
}
},
methods: {
handleChange (option) {
if (!option.checked) {
if (this.values.indexOf(option.value) > -1) {
this.values = this.values.filter(item => item != option.value)
}
} else {
if (!this.multiple) {
this.values = [option.value]
this.options.forEach(item => {
if (item.value != option.value) {
item.sChecked = false
}
})
} else {
this.values.push(option.value)
}
}
}
},
render (h) {
return h(
'div',
{
attrs: {style: 'display: flex'}
},
[this.$slots.default]
)
}
}
export default {
name: 'ImgCheckbox',
Group,
props: {
checked: {
type: Boolean,
required: false,
default: false
},
img: {
type: String,
required: true
},
value: {
required: true
},
title: String
},
data () {
return {
sChecked: this.initChecked()
}
},
inject: ['groupContext'],
watch: {
'sChecked': function () {
const option = {
value: this.value,
checked: this.sChecked
}
this.$emit('change', option)
const groupContext = this.groupContext
if (groupContext) {
groupContext.handleChange(option)
}
}
},
created () {
const groupContext = this.groupContext
if (groupContext) {
this.sChecked = groupContext.defaultValues.length > 0 ? groupContext.defaultValues.indexOf(this.value) >= 0 : this.sChecked
groupContext.options.push(this)
}
},
methods: {
toggle () {
if (this.groupContext.multiple || !this.sChecked) {
this.sChecked = !this.sChecked
}
},
initChecked() {
let groupContext = this.groupContext
if (!groupContext) {
return this.checked
}else if (groupContext.multiple) {
return groupContext.defaultValues.indexOf(this.value) > -1
} else {
return groupContext.defaultValues[0] == this.value
}
}
}
}
</script>
<style lang="less" scoped>
.img-check-box{
margin-right: 16px;
position: relative;
border-radius: 4px;
cursor: pointer;
.check-item{
position: absolute;
top: 0;
right: 0;
width: 100%;
padding-top: 15px;
padding-left: 24px;
height: 100%;
color: @primary-color;
font-size: 14px;
font-weight: bold;
}
}
</style>