checkbox-group.vue
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<template>
<div :class="classes">
<slot></slot>
</div>
</template>
<script>
import { findComponentsDownward, oneOf } from '../../utils/assist';
import Emitter from '../../mixins/emitter';
const prefixCls = 'ivu-checkbox-group';
export default {
name: 'CheckboxGroup',
mixins: [ Emitter ],
props: {
value: {
type: Array,
default () {
return [];
}
},
size: {
validator (value) {
return oneOf(value, ['small', 'large', 'default']);
}
}
},
data () {
return {
currentValue: this.value,
childrens: []
};
},
computed: {
classes () {
return [
`${prefixCls}`,
{
[`ivu-checkbox-${this.size}`]: !!this.size
}
];
}
},
mounted () {
this.updateModel(true);
},
methods: {
updateModel (update) {
this.childrens = findComponentsDownward(this, 'Checkbox');
if (this.childrens) {
const { value } = this;
this.childrens.forEach(child => {
child.model = value;
if (update) {
child.currentValue = value.indexOf(child.label) >= 0;
child.group = true;
}
});
}
},
change (data) {
this.currentValue = data;
this.$emit('input', data);
this.$emit('on-change', data);
this.dispatch('FormItem', 'on-form-change', data);
}
},
watch: {
value () {
this.updateModel(true);
}
}
};
</script>