radio-group.vue
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<template>
<div :class="classes" :name="name">
<slot></slot>
</div>
</template>
<script>
import { oneOf, findComponentsDownward } from '../../utils/assist';
import Emitter from '../../mixins/emitter';
const prefixCls = 'ivu-radio-group';
let seed = 0;
const now = Date.now();
const getUuid = () => `ivuRadioGroup_${now}_${seed++}`;
export default {
name: 'RadioGroup',
mixins: [ Emitter ],
props: {
value: {
type: [String, Number],
default: ''
},
size: {
validator (value) {
return oneOf(value, ['small', 'large', 'default']);
},
default () {
return this.$IVIEW.size === '' ? 'default' : this.$IVIEW.size;
}
},
type: {
validator (value) {
return oneOf(value, ['button']);
}
},
vertical: {
type: Boolean,
default: false
},
name: {
type: String,
default: getUuid
}
},
data () {
return {
currentValue: this.value,
childrens: []
};
},
computed: {
classes () {
return [
`${prefixCls}`,
{
[`${prefixCls}-${this.size}`]: !!this.size,
[`ivu-radio-${this.size}`]: !!this.size,
[`${prefixCls}-${this.type}`]: !!this.type,
[`${prefixCls}-vertical`]: this.vertical
}
];
}
},
mounted () {
this.updateValue();
},
methods: {
updateValue () {
this.childrens = findComponentsDownward(this, 'Radio');
if (this.childrens) {
this.childrens.forEach(child => {
child.currentValue = this.currentValue === child.label;
child.group = true;
});
}
},
change (data) {
this.currentValue = data.value;
this.updateValue();
this.$emit('input', data.value);
this.$emit('on-change', data.value);
this.dispatch('FormItem', 'on-form-change', data.value);
}
},
watch: {
value () {
if(this.currentValue !== this.value){
this.currentValue = this.value;
this.$nextTick(()=>{
this.updateValue();
});
}
}
}
};
</script>