caspanel.vue
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<template>
<ul v-if="data && data.length" :class="[prefixCls + '-menu']">
<Casitem
v-for="item in data"
:prefix-cls="prefixCls"
:data.sync="item"
:tmp-item="tmpItem"
@click.stop="handleClickItem(item)"
@mouseenter.stop="handleHoverItem(item)"></Casitem>
</ul><Caspanel v-if="sublist && sublist.length" :prefix-cls="prefixCls" :data.sync="sublist" :disabled="disabled" :trigger="trigger" @on-update-result="updateResult"></Caspanel>
</template>
<script>
import Casitem from './casitem.vue';
import { oneOf } from '../../utils/assist';
export default {
name: 'Caspanel',
components: { Casitem },
props: {
data: {
type: Array,
default () {
return []
}
},
sublist: {
type: Array,
default () {
return []
}
},
disabled: Boolean,
changeOnSelect: Boolean,
trigger: {
validator (value) {
return oneOf(value, ['click', 'hover']);
}
},
prefixCls: String
},
data () {
return {
tmpItem: {},
result: []
}
},
methods: {
handleClickItem (item) {
if (this.trigger !== 'click') return;
this.handleTriggerItem(item);
},
handleHoverItem (item) {
if (this.trigger !== 'hover') return;
this.handleTriggerItem(item);
},
handleTriggerItem (item) {
if (item.disabled) return;
if (item.children && item.children.length){
this.sublist = item.children;
// todo 实时选择
} else {
this.sublist = [];
// todo 选择
}
// return value back
const backItem = this.getBaseItem(item);
this.tmpItem = backItem;
this.$emit('on-update-result', [backItem]);
},
updateResult (item) {
this.result = [this.tmpItem].concat(item);
this.$emit('on-update-result', this.result);
},
getBaseItem (item) {
let backItem = Object.assign({}, item);
if (backItem.children) {
delete backItem.children;
}
return backItem;
}
},
watch: {
data () {
this.sublist = [];
}
},
ready () {
// todo 初始化时，判断预设的值
}
}
</script>