331 lines
No EOL
13 KiB
Vue
331 lines
No EOL
13 KiB
Vue
<template>
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<ul :class="classes">
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<li v-for="(item, index) in data" :class="itemCls(item)">
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<span :class="arrowCls(item)" @click="setExpand(item.disabled, index)">
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<Icon type="arrow-right-b"></Icon>
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</span>
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<Checkbox
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v-if="showCheckbox"
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:value="item.checked && item.childrenCheckedStatus == 2"
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:disabled="item.disabled || item.disableCheckbox"
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:indeterminate="item.checked && item.childrenCheckedStatus == 1"
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@click.native.prevent="setCheck(item.disabled||item.disableCheckbox, index)"></Checkbox>
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<a :class="titleCls(item)" @click="setSelect(item.disabled, index)">
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<span :class="[prefixCls + '-title']" v-html="item.title"></span>
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</a>
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<transition name="slide-up">
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<Tree
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v-if="!item.isLeaf"
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v-show="item.expand"
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:class="expandCls(item)"
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:data="item.children"
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:name="name+'.'+index"
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:multiple="multiple"
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:show-checkbox="showCheckbox"></Tree>
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</transition>
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</li>
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</ul>
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</template>
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<script>
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import Icon from '../icon/icon.vue';
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import Checkbox from '../checkbox/checkbox.vue';
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import { t } from '../../locale';
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import Emitter from '../../mixins/emitter';
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const prefixCls = 'ivu-tree';
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export default {
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name: 'Tree',
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components: { Icon, Checkbox },
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mixins: [ Emitter ],
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props: {
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data: {
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type: Array,
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default () {
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return [];
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}
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},
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name: {
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type: String,
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default: '0'
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},
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multiple: {
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type: Boolean,
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default: false
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},
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showCheckbox: {
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type: Boolean,
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default: false
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},
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emptyText: {
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type: String,
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default () {
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return t('i.tree.emptyText');
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}
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}
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},
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data () {
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return {
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prefixCls: prefixCls
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};
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},
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computed: {
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classes () {
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if (this.name === '0') {
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return this.prefixCls;
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} else {
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return `${this.prefixCls}-child-tree`;
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}
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}
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},
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watch: {
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data () {
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if (this.name === '0') {
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this.setKey();
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this.preHandle();
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}
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}
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},
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methods: {
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itemCls (item) {
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return [
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{
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[`${prefixCls}-item-disabled`]: item.disabled
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}
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];
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},
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arrowCls (item) {
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return [
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`${this.prefixCls}-switcher`,
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{
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[`${this.prefixCls}-switcher-disabled`]: item.disabled,
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[`${this.prefixCls}-noline_close`]: !item.expand && !item.isLeaf,
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[`${this.prefixCls}-noline_open`]: item.expand && !item.isLeaf,
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[`${this.prefixCls}-switcher-noop`]: item.isLeaf
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}
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];
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},
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titleCls (item) {
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return [
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{
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[`${this.prefixCls}-node-selected`]: item.selected
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}
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];
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},
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expandCls (item) {
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return [
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{
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[`${this.prefixCls}-child-tree-open`]: item.expand
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}
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];
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},
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setKey () {
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for (let i = 0; i < this.data.length; i++) {
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this.data[i].name = `${this.name}.${i}`;
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}
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},
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preHandle () {
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for (let [i, item] of this.data.entries()) {
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if (!item.children || !item.children.length) {
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// this.$set(`data[${i}].isLeaf`, true);
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// this.$set(`data[${i}].childrenCheckedStatus`, 2);
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this.$set(this.data[i], 'isLeaf', true);
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this.$set(this.data[i], 'childrenCheckedStatus', 2);
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continue;
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}
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if (item.checked && !item.childrenCheckedStatus) {
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// this.$set(`data[${i}].childrenCheckedStatus`, 2);
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this.$set(this.data[i], 'childrenCheckedStatus', 2);
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// this.$broadcast('parentChecked', true, `${this.name}.${i}`);
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this.broadcast('Tree', 'parentChecked', {
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status: true,
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name: `${this.name}.${i}`
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});
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} else {
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let status = this.getChildrenCheckedStatus(item.children);
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// this.$set(`data[${i}].childrenCheckedStatus`, status);
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this.$set(this.data[i], 'childrenCheckedStatus', status);
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// if (status !== 0) this.$set(`data[${i}].checked`, true);
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if (status !== 0) this.$set(this.data[i], 'checked', true);
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}
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}
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},
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setExpand (disabled, index) {
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if (!disabled) {
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// this.$set(`data[${index}].expand`, !this.data[index].expand);
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this.$set(this.data[index], 'expand', !this.data[index].expand);
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}
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},
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setSelect (disabled, index) {
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if (!disabled) {
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const selected = !this.data[index].selected;
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if (this.multiple || !selected) {
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// this.$set(`data[${index}].selected`, selected);
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this.$set(this.data[index], 'selected', selected);
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} else {
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for (let i = 0; i < this.data.length; i++) {
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if (i == index) {
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// this.$set(`data[${i}].selected`, true);
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this.$set(this.data[i], 'selected', true);
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} else {
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// this.$set(`data[${i}].selected`, false);
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this.$set(this.data[i], 'selected', false);
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}
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}
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}
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// this.$dispatch('nodeSelected', this, selected);
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this.dispatch('Tree', 'nodeSelected', {
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ori: this,
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selected: selected
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});
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}
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},
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setCheck (disabled, index) {
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if (disabled) return;
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const checked = !this.data[index].checked;
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// this.$set(`data[${index}].checked`, checked);
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this.$set(this.data[index], 'checked', checked);
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// this.$set(`data[${index}].childrenCheckedStatus`, checked ? 2 : 0);
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this.$set(this.data[index], 'childrenCheckedStatus', checked ? 2 : 0);
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// this.$dispatch('childChecked', this, this.name);
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this.dispatch('Tree', 'childChecked', {
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ori: this,
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name: this.name
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});
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// this.$broadcast('parentChecked', checked, `${this.name}.${index}`);
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this.broadcast('Tree', 'parentChecked', {
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status: checked,
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name: `${this.name}.${index}`
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});
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},
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getNodes (data, opt) {
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data = data || this.data;
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let res = [];
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for (let node of data) {
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let tmp = true;
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for (let [key, value] of Object.entries(opt)) {
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if (node[key] != value) {
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tmp = false;
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break;
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}
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}
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if (tmp) {
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res.push(node);
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}
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if (node.children && node.children.length) {
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res = res.concat(this.getNodes(node.children, opt));
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}
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}
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return res;
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},
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getSelectedNodes () {
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return this.getNodes(this.data, {selected: true});
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},
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getCheckedNodes () {
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return this.getNodes(this.data, {checked: true, childrenCheckedStatus: 2});
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},
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getChildrenCheckedStatus (children) {
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let checkNum = 0, child_childrenAllChecked = true;
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for (let child of children) {
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if (child.checked) {
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checkNum++;
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}
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if (child.childrenCheckedStatus !== 2) {
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child_childrenAllChecked = false;
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}
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}
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// select all
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if (checkNum == children.length) {
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return child_childrenAllChecked ? 2 : 1;
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// select some
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} else if (checkNum > 0) {
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return 1;
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} else {
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return 0;
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}
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}
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},
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mounted () {
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this.setKey();
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this.preHandle();
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// this.$on('nodeSelected', (ori, selected) => {
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this.$on('nodeSelected', (params) => {
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const ori = params.ori;
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const selected = params.selected;
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if (this.name !== '0') return true;
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if (!this.multiple && selected) {
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if (this !== ori) {
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for (let i = 0; i < this.data.length; i++) {
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// this.$set(`data[${i}].selected`, false);
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this.$set(this.data[i], 'selected', false);
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}
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}
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// this.$broadcast('cancelSelected', ori);
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this.broadcast('Tree', 'cancelSelected', ori);
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}
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this.$nextTick(() => {
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this.$emit('on-select-change', this.getSelectedNodes());
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});
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});
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this.$on('cancelSelected', ori => {
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// this.$broadcast('cancelSelected', ori);
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this.broadcast('Tree', 'cancelSelected', ori);
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if (this !== ori) {
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for (let i = 0; i < this.data.length; i++) {
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// this.$set(`data[${i}].selected`, false);
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this.$set(this.data[i], 'selected', false);
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}
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}
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});
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// this.$on('parentChecked', (status, name) => {
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this.$on('parentChecked', (params) => {
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const status = params.status;
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const name = params.name;
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if (this.name == name || this.name.startsWith(name + '.')) {
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for (let i = 0; i < this.data.length; i++) {
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// this.$set(`data[${i}].checked`, status);
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this.$set(this.data[i], 'checked', status);
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// this.$set(`data[${i}].childrenCheckedStatus`, status ? 2 : 0);
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this.$set(this.data[i], 'childrenCheckedStatus', status ? 2 : 0);
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}
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// this.$broadcast('parentChecked', status, name);
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this.broadcast('Tree', 'parentChecked', {
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status: status,
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name: name
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});
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}
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});
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// this.$on('childChecked', (ori, name) => {
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this.$on('childChecked', (params) => {
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const ori = params.ori;
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const name = params.name;
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if (this.name === '0') {
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this.$nextTick(() => {
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this.$emit('on-check-change', this.getCheckedNodes());
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});
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}
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if (this === ori) return;
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for (let [i,item] of this.data.entries()) {
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if (this.name + '.' + i == name) {
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let temp = this.getChildrenCheckedStatus(item.children);
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if (temp != item.childrenCheckedStatus) {
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// this.$set(`data[${i}].checked`, !!temp);
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this.$set(this.data[i], 'checked', !!temp);
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// this.$set(`data[${i}].childrenCheckedStatus`, temp);
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this.$set(this.data[i], 'childrenCheckedStatus', temp);
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// if (this.name !== '0') this.$dispatch('childChecked', this, this.name);
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if (this.name !== '0') this.dispatch('Tree', 'childChecked', {
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ori: this,
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name: this.name
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});
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}
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}
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}
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});
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}
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};
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</script> |