488 lines
16 KiB
Vue
488 lines
16 KiB
Vue
<script>
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//导入所有节点组件
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import Approval from '@/views/common/process/nodes/ApprovalNode.vue'
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import Cc from '@/views/common/process/nodes/CcNode.vue'
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import Concurrent from '@/views/common/process/nodes/ConcurrentNode.vue'
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import Condition from '@/views/common/process/nodes/ConditionNode.vue'
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import Trigger from '@/views/common/process/nodes/TriggerNode.vue'
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import Delay from '@/views/common/process/nodes/DelayNode.vue'
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import Empty from '@/views/common/process/nodes/EmptyNode.vue'
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import Root from '@/views/common/process/nodes/RootNode.vue'
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import Node from '@/views/common/process/nodes/Node.vue'
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import DefaultProps from "./DefaultNodeProps"
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export default {
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name: "ProcessTree",
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components: {Node, Root, Approval, Cc, Trigger, Concurrent, Condition, Delay, Empty},
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data() {
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return {
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valid: true
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}
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},
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computed:{
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nodeMap(){
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return this.$store.state.nodeMap;
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},
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dom(){
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return this.$store.state.design.process;
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}
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},
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render(h, ctx) {
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console.log("渲染流程树")
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this.nodeMap.clear()
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let processTrees = this.getDomTree(h, this.dom)
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//插入末端节点
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processTrees.push(h('div', {style:{'text-align': 'center'}}, [
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h('div', {class:{'process-end': true}, domProps: {innerHTML:'流程结束'}})
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]))
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console.log(processTrees)
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return h('div', {class:{'_root': true}, ref:'_root'}, processTrees)
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},
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methods: {
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// 获取demo的树形结构
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getDomTree(h, node) {
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this.toMapping(node);
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if (this.isPrimaryNode(node)){
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//普通业务节点
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let childDoms = this.getDomTree(h, node.children)
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this.decodeAppendDom(h, node, childDoms)
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return [h('div', {'class':{'primary-node': true}}, childDoms)];
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}else if (this.isBranchNode(node)){
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let index = 0;
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//遍历分支节点，包含并行及条件节点
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let branchItems = node.branchs.map(branchNode => {
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//处理每个分支内子节点
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this.toMapping(branchNode);
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let childDoms = this.getDomTree(h, branchNode.children)
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this.decodeAppendDom(h, branchNode, childDoms, {level: index + 1, size: node.branchs.length})
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//插入4条横线，遮挡掉条件节点左右半边线条
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this.insertCoverLine(h, index, childDoms, node.branchs)
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//遍历子分支尾部分支
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index++;
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return h('div', {'class':{'branch-node-item': true}}, childDoms);
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})
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//插入添加分支/条件的按钮
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branchItems.unshift(h('div',{'class':{'add-branch-btn': true}}, [
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h('el-button', {
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'class':{'add-branch-btn-el': true},
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props: {size: 'small', round: true},
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on:{click: () => this.addBranchNode(node)},
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domProps: {innerHTML: `添加${this.isConditionNode(node)?'条件':'分支'}`},
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}, [])
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]));
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let bchDom = [h('div', {'class':{'branch-node': true}}, branchItems)]
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//继续遍历分支后的节点
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let afterChildDoms = this.getDomTree(h, node.children)
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return [h('div', {}, [bchDom, afterChildDoms])]
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}else if (this.isEmptyNode(node)){
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//空节点，存在于分支尾部
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let childDoms = this.getDomTree(h, node.children)
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this.decodeAppendDom(h, node, childDoms)
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return [h('div', {'class':{'empty-node': true}}, childDoms)];
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}else {
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//遍历到了末端，无子节点
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return [];
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}
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},
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//解码渲染的时候插入dom到同级
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decodeAppendDom(h, node, dom, props = {}){
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props.config = node
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dom.unshift(h(node.type.toLowerCase(), {
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props: props,
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ref: node.id,
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key: node.id,
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//定义事件，插入节点，删除节点，选中节点，复制/移动
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on:{
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insertNode: type => this.insertNode(type, node),
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delNode: () => this.delNode(node),
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selected: () => this.selectNode(node),
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copy:() => this.copyBranch(node),
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leftMove: () => this.branchMove(node, -1),
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rightMove: () => this.branchMove(node, 1)
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}
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}, []))
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},
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//id映射到map，用来向上遍历
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toMapping(node){
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if (node && node.id){
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//console.log("node=> " + node.id + " name:" + node.name + " type:" + node.type)
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let newNode = {
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...node
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}
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newNode.children = []
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this.nodeMap.set(newNode.id, newNode)
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}
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console.log(this.nodeMap)
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},
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insertCoverLine(h, index, doms, branchs){
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if (index === 0){
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//最左侧分支
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doms.unshift(h('div', {'class':{'line-top-left': true}}, []))
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doms.unshift(h('div', {'class':{'line-bot-left': true}}, []))
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}else if (index === branchs.length - 1){
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//最右侧分支
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doms.unshift(h('div', {'class':{'line-top-right': true}}, []))
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doms.unshift(h('div', {'class':{'line-bot-right': true}}, []))
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}
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},
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copyBranch(node){
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let parentNode = this.nodeMap.get(node.parentId)
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let branchNode = this.$deepCopy(node)
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branchNode.name = branchNode.name + '-copy'
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this.forEachNode(parentNode, branchNode, (parent, node) => {
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let id = this.getRandomId()
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console.log(node, '新id =>'+ id, '老nodeId:' + node.id )
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node.id = id
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node.parentId = parent.id
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})
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parentNode.branchs.splice(parentNode.branchs.indexOf(node), 0, branchNode)
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this.$forceUpdate()
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},
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branchMove(node, offset){
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let parentNode = this.nodeMap.get(node.parentId)
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let index = parentNode.branchs.indexOf(node)
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let branch = parentNode.branchs[index + offset]
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parentNode.branchs[index + offset] = parentNode.branchs[index]
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parentNode.branchs[index] = branch
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this.$forceUpdate()
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},
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//判断是否为主要业务节点
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isPrimaryNode(node){
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return node &&
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(node.type === 'ROOT' || node.type === 'APPROVAL'
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|| node.type === 'CC' || node.type === 'DELAY'
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|| node.type === 'TRIGGER');
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},
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isBranchNode(node){
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return node && (node.type === 'CONDITIONS' || node.type === 'CONCURRENTS');
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},
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isEmptyNode(node){
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return node && (node.type === 'EMPTY')
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},
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//是分支节点
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isConditionNode(node){
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return node.type === 'CONDITIONS';
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},
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//是分支节点
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isBranchSubNode(node){
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return node && (node.type === 'CONDITION' || node.type === 'CONCURRENT');
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},
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isConcurrentNode(node){
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return node.type === 'CONCURRENTS'
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},
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getRandomId(){
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return `node_${new Date().getTime().toString().substring(5)}${Math.round(Math.random()*9000+1000)}`
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},
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//选中一个节点
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selectNode(node){
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this.$store.commit('selectedNode', node)
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this.$emit('selectedNode', node)
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},
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//处理节点插入逻辑
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insertNode(type, parentNode){
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this.$refs['_root'].click()
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//缓存一下后面的节点
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let afterNode = parentNode.children
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//插入新节点
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parentNode.children = {
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id: this.getRandomId(),
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parentId: parentNode.id,
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props: {},
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type: type,
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}
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switch (type){
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case 'APPROVAL': this.insertApprovalNode(parentNode, afterNode); break;
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case 'CC': this.insertCcNode(parentNode); break;
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case 'DELAY': this.insertDelayNode(parentNode); break;
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case 'TRIGGER': this.insertTriggerNode(parentNode); break;
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case 'CONDITIONS': this.insertConditionsNode(parentNode); break;
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case 'CONCURRENTS': this.insertConcurrentsNode(parentNode); break;
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default: break;
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}
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//拼接后续节点
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if (this.isBranchNode({type: type})){
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if (afterNode && afterNode.id){
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afterNode.parentId = parentNode.children.children.id
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}
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this.$set(parentNode.children.children, 'children', afterNode)
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}else {
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if (afterNode && afterNode.id){
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afterNode.parentId = parentNode.children.id
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}
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this.$set(parentNode.children, 'children', afterNode)
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}
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this.$forceUpdate()
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},
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insertApprovalNode(parentNode){
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this.$set(parentNode.children, "name", "审批人")
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this.$set(parentNode.children, "props", this.$deepCopy(DefaultProps.APPROVAL_PROPS))
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},
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insertCcNode(parentNode){
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this.$set(parentNode.children, "name", "抄送人")
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this.$set(parentNode.children, "props", this.$deepCopy(DefaultProps.CC_PROPS))
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},
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insertDelayNode(parentNode){
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this.$set(parentNode.children, "name", "延时处理")
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this.$set(parentNode.children, "props", this.$deepCopy(DefaultProps.DELAY_PROPS))
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},
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insertTriggerNode(parentNode){
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this.$set(parentNode.children, "name", "触发器")
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this.$set(parentNode.children, "props", this.$deepCopy(DefaultProps.TRIGGER_PROPS))
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},
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insertConditionsNode(parentNode){
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this.$set(parentNode.children, "name", "条件分支")
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this.$set(parentNode.children, 'children', {
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id: this.getRandomId(),
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parentId: parentNode.children.id,
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type: "EMPTY"
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})
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this.$set(parentNode.children, "branchs", [
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{
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id: this.getRandomId(),
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parentId: parentNode.children.id,
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type: "CONDITION",
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props: this.$deepCopy(DefaultProps.CONDITION_PROPS),
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name: "条件1",
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children:{}
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},{
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id: this.getRandomId(),
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parentId: parentNode.children.id,
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type: "CONDITION",
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props: this.$deepCopy(DefaultProps.CONDITION_PROPS),
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name: "条件2",
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children:{}
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}
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])
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},
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insertConcurrentsNode(parentNode){
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this.$set(parentNode.children, "name", "并行分支")
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this.$set(parentNode.children, 'children',{
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id: this.getRandomId(),
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parentId: parentNode.children.id,
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type: "EMPTY"
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})
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this.$set(parentNode.children, "branchs", [
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{
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id: this.getRandomId(),
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name: "分支1",
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parentId: parentNode.children.id,
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type: "CONCURRENT",
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props: {},
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children:{}
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},{
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id: this.getRandomId(),
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name: "分支2",
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parentId: parentNode.children.id,
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type: "CONCURRENT",
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props: {},
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children:{}
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}
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])
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},
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getBranchEndNode(conditionNode){
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if (!conditionNode.children || !conditionNode.children.id){
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return conditionNode;
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}
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return this.getBranchEndNode(conditionNode.children);
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},
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addBranchNode(node){
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if (node.branchs.length < 8){
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node.branchs.push({
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id: this.getRandomId(),
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parentId: node.id,
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name: (this.isConditionNode(node) ? '条件':'分支') + (node.branchs.length + 1),
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props: this.isConditionNode(node) ? this.$deepCopy(DefaultProps.CONDITION_PROPS):{},
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type: this.isConditionNode(node) ? "CONDITION":"CONCURRENT",
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children:{}
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})
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}else {
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this.$message.warning("最多只能添加 8 项😥")
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}
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},
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//删除当前节点
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delNode(node){
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console.log("删除节点", node)
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//获取该节点的父节点
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let parentNode = this.nodeMap.get(node.parentId)
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if (parentNode){
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//判断该节点的父节点是不是分支节点
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if (this.isBranchNode(parentNode)){
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//移除该分支
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parentNode.branchs.splice(parentNode.branchs.indexOf(node), 1)
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//处理只剩1个分支的情况
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if (parentNode.branchs.length < 2){
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//获取条件组的父节点
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let ppNode = this.nodeMap.get(parentNode.parentId)
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//判断唯一分支是否存在业务节点
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if (parentNode.branchs[0].children && parentNode.branchs[0].children.id){
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//将剩下的唯一分支头部合并到主干
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ppNode.children = parentNode.branchs[0].children
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ppNode.children.parentId = ppNode.id
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//搜索唯一分支末端最后一个节点
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let endNode = this.getBranchEndNode(parentNode.branchs[0])
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//后续节点进行拼接, 这里要取EMPTY后的节点
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endNode.children = parentNode.children.children
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if (endNode.children && endNode.children.id){
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endNode.children.parentId = endNode.id
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}
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}else {
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//直接合并分支后面的节点，这里要取EMPTY后的节点
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ppNode.children = parentNode.children.children
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if (ppNode.children && ppNode.children.id){
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ppNode.children.parentId = ppNode.id
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}
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}
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}
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}else {
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//不是的话就直接删除
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if (node.children && node.children.id) {
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node.children.parentId = parentNode.id
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}
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parentNode.children = node.children
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}
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this.$forceUpdate()
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}else {
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this.$message.warning("出现错误，找不到上级节点😥")
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}
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},
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validateProcess(){
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this.valid = true
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let err = []
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this.validate(err, this.dom)
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return err
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},
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validateNode(err, node){
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if (this.$refs[node.id].validate){
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this.valid = this.$refs[node.id].validate(err)
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}
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},
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//更新指定节点的dom
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nodeDomUpdate(node){
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this.$refs[node.id].$forceUpdate()
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},
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//给定一个起始节点，遍历内部所有节点
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forEachNode(parent, node, callback){
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if (this.isBranchNode(node)){
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callback(parent, node)
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this.forEachNode(node, node.children, callback)
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node.branchs.map(branchNode => {
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callback(node, branchNode)
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this.forEachNode(branchNode, branchNode.children, callback)
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})
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}else if (this.isPrimaryNode(node) || this.isEmptyNode(node) || this.isBranchSubNode(node)){
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callback(parent, node)
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this.forEachNode(node, node.children, callback)
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}
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},
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//校验所有节点设置
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validate(err, node){
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if (this.isPrimaryNode(node)){
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this.validateNode(err, node)
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this.validate(err, node.children)
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}else if (this.isBranchNode(node)){
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//校验每个分支
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node.branchs.map(branchNode => {
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//校验条件节点
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this.validateNode(err, branchNode)
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//校验条件节点后面的节点
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this.validate(err, branchNode.children)
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})
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this.validate(err, node.children)
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}else if (this.isEmptyNode(node)){
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this.validate(err, node.children)
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}
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}
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},
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watch:{
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}
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}
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</script>
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<style lang="less" scoped>
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._root{
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margin: 0 auto;
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}
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.process-end{
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width: 60px;
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margin: 0 auto;
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margin-bottom: 20px;
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border-radius: 15px;
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padding: 5px 10px;
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font-size: small;
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color: #747474;
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background-color: #f2f2f2;
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box-shadow: 0 0 10px 0 #bcbcbc;
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}
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.primary-node{
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display: flex;
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align-items: center;
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flex-direction: column;
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}
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.branch-node{
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display: flex;
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justify-content: center;
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/*border-top: 2px solid #cccccc;
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border-bottom: 2px solid #cccccc;*/
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}
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.branch-node-item{
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position: relative;
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display: flex;
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background: #f5f6f6;
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flex-direction: column;
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align-items: center;
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border-top: 2px solid #cccccc;
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border-bottom: 2px solid #cccccc;
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&:before{
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content: "";
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position: absolute;
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top: 0;
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left: calc(50% - 1px);
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margin: auto;
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width: 2px;
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height: 100%;
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background-color: #CACACA;
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}
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.line-top-left, .line-top-right, .line-bot-left, .line-bot-right{
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position: absolute;
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width: 50%;
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height: 4px;
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background-color: #f5f6f6;
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}
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.line-top-left{
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top: -2px;
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left: -1px;
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}
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.line-top-right{
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top: -2px;
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right: -1px;
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}
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.line-bot-left{
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bottom: -2px;
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left: -1px;
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}
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.line-bot-right{
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bottom: -2px;
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right: -1px;
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}
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}
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.add-branch-btn{
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position: absolute;
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width: 80px;
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.add-branch-btn-el{
|
||
z-index: 999;
|
||
position: absolute;
|
||
top: -15px;
|
||
}
|
||
}
|
||
|
||
.empty-node{
|
||
display: flex;
|
||
justify-content: center;
|
||
flex-direction: column;
|
||
align-items: center;
|
||
}
|
||
</style>
|