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| <template>
| <zt-combo ref="combo" :placeholder="placeholder" :readonly="readonly" :disabled="disabled" @input-change="onInputChange">
| <zt-tree-selector ref="tree" v-model="treeValue"
| :idField="idField" :textField="textField" :parentIdField="parentIdField"
| :disabled="disabled"
| :url="url" :datas="datas" :simple="simple" :multiple="multiple" :leaf-only="leafOnly"
| :check-strictly="checkStrictly" :lazy="lazy" :expandLevel="expandLevel"
| :disabled-filter="disabledFilter" @selected="onSelected"/>
| </zt-combo>
|
| </template>
| <script>
| import {debounce} from 'lodash'
| export default {
| name: 'ZtComboTree',
| components: {},
| props: {
| value: [String, Array],
| idField: {
| type: String,
| default: 'id'
| },
| textField: {
| type: String,
| default: 'name'
| },
| parentIdField: {
| type: String,
| default: 'pid'
| },
| url: String,
| datas: [String, Array],
| simple: { // 简单模式
| type: Boolean,
| default: false
| },
| multiple: {
| type: Boolean,
| default: false
| },
| leafOnly: { // 是否只能选择叶子节点
| type: Boolean,
| default: false
| },
| checkStrictly: {
| type: Boolean,
| default: false
| },
| lazy: { // 懒加载子节点
| type: Boolean,
| default: true
| },
| expandLevel: { // 懒加载展开层级
| type: Number,
| default: 0
| },
| disabledFilter: Function, // 可选的节点
| disabled: {
| type: Boolean,
| default: false
| },
| readonly:{
| type: Boolean,
| default: false
| },
| placeholder: String
| },
| data() {
| return {
| treeValue: this.value
| }
| },
| watch: {
| value(val, oldval) { // 传递给tree-selector
| this.treeValue = val
| }
| },
| methods: {
| onInputChange: debounce(function (val) {
| this.$refs.tree.filter(val)
| if ((val || '').length === 0) { // 清空了
| this.$emit('input', '')
| this.$emit('select', null, true)
| }
| }, 1000),
| onSelected(data, isChange) {
| if (!this.multiple) { // 单选
| if (!data) {
| this.$refs.combo.setText('')
| } else {
| this.$refs.combo.setText(data[this.textField]) // combox设置显示值
| }
| this.$refs.combo.close()
| } else { // 多选
| let texts = []
| let values = []
| data.forEach(node => {
| texts.push(node[this.textField])
| values.push(node[this.idField])
| })
| this.$refs.combo.setText(texts.join(','))
| }
| this.$emit('input', this.treeValue) // 这里也可以自己根据data返回自己的
| this.$emit('select', data, isChange)
| }
| }
| }
| </script>
| <style lang="scss">
| .is-reverse {
| transform: rotate(-180deg);
| }
|
| .comb-tree {
| height: 250px;
| overflow-y: auto;
|
| label.el-checkbox {
| margin-right: 8px;
| }
|
| }
| </style>
|
|
