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| <template>
| <div class="flow-menu" ref="tool">
| <div v-for="menu in menuList" :key="menu.id">
| <div class="ef-node-pmenu-item"><i class="el-icon-notebook-2"></i>节点配置</div>
| <ul v-show="menu.open" class="ef-node-menu-ul">
| <draggable @end="end" @start="move" v-model="menu.children" :options="draggableOptions">
| <li v-for="subMenu in menu.children" class="ef-node-menu-li" :key="subMenu.id" :type="subMenu.type">
| <i :class="subMenu.ico"></i> {{ subMenu.name }}
| </li>
| </draggable>
| </ul>
| </div>
| </div>
| </template>
| <script>
| import { VueDraggableNext as draggable } from "vue-draggable-next";
|
| var mousePosition = {
| left: -1,
| top: -1
| }
|
| export default {
| data() {
| return {
| activeNames: '1',
| // draggable配置参数参考 https://www.cnblogs.com/weixin186/p/10108679.html
| draggableOptions: {
| preventOnFilter: false,
| sort: false,
| disabled: false,
| ghostClass: 'tt',
| // 不使用H5原生的配置
| forceFallback: true,
| // 拖拽的时候样式
| // fallbackClass: 'flow-node-draggable'
| },
| // 默认打开的左侧菜单的id
| defaultOpeneds: ['1', '2'],
| menuList: [
| {
| id: '1',
| type: 'group',
| name: '开始节点',
| ico: 'el-icon-video-play',
| open: true,
| children: [
| {
| id: '0',
| type: 'start',
| name: '流程开始',
| ico: 'el-icon-time',
| // 自定义覆盖样式
| style: {}
| },
| {
| id: '1',
| type: 'end',
| name: '流程结束',
| ico: 'el-icon-switch-button',
| // 自定义覆盖样式
| style: {}
| }, {
| id: '2',
| type: 'node',
| name: '流程节点',
| ico: 'el-icon-news',
| // 自定义覆盖样式
| style: {}
| }
| ]
| }],
|
| nodeMenu: {}
| }
| },
| components: {
| draggable
| },
| created() {
| /**
| * 以下是为了解决在火狐浏览器上推拽时弹出tab页到搜索问题
| * @param event
| */
| if (this.isFirefox()) {
| document.body.ondrop = function (event) {
| // 解决火狐浏览器无法获取鼠标拖拽结束的坐标问题
| mousePosition.left = event.layerX
| mousePosition.top = event.clientY - 50
| event.preventDefault();
| event.stopPropagation();
| }
| }
| },
| methods: {
| // 根据类型获取左侧菜单对象
| getMenuByType(type) {
| for (let i = 0; i < this.menuList.length; i++) {
| let children = this.menuList[i].children;
| for (let j = 0; j < children.length; j++) {
| if (children[j].type === type) {
| return children[j]
| }
| }
| }
| },
| // 拖拽开始时触发
| move(evt, a, b, c) {
| var type = evt.item.attributes.type.nodeValue
| this.nodeMenu = this.getMenuByType(type)
| },
| // 拖拽结束时触发
| end(evt, e) {
| this.$emit('addNode', evt, this.nodeMenu, mousePosition)
| },
| // 是否是火狐浏览器
| isFirefox() {
| var userAgent = navigator.userAgent
| if (userAgent.indexOf("Firefox") > -1) {
| return true
| }
| return false
| }
| }
| }
| </script>
|
|
