<template>
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<div class="branch-node-wrapper">
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<div class="branch-node-container">
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<div
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v-if="readonly"
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class="branch-node-readonly"
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:class="`${useTaskStatusClass(currentNode?.activityStatus)}`"
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>
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<span class="iconfont icon-parallel icon-size parallel"></span>
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</div>
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<el-button v-else class="branch-node-add" color="#626aef" @click="addCondition" plain
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>添加分支</el-button
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>
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<div
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class="branch-node-item"
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v-for="(item, index) in currentNode.conditionNodes"
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:key="index"
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>
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<template v-if="index == 0">
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<div class="branch-line-first-top"></div>
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<div class="branch-line-first-bottom"></div>
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</template>
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<template v-if="index + 1 == currentNode.conditionNodes?.length">
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<div class="branch-line-last-top"></div>
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<div class="branch-line-last-bottom"></div>
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</template>
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<div class="node-wrapper">
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<div class="node-container">
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<div class="node-box" :class="`${useTaskStatusClass(item.activityStatus)}`">
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<div class="branch-node-title-container">
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<div v-if="showInputs[index]">
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<input
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type="text"
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class="input-max-width editable-title-input"
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@blur="blurEvent(index)"
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v-mountedFocus
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v-model="item.name"
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/>
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</div>
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<div v-else class="branch-title" @click="clickEvent(index)"> {{ item.name }} </div>
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<div class="branch-priority">无优先级</div>
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</div>
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<div class="branch-node-content" @click="conditionNodeConfig(item.id)">
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<div class="branch-node-text" :title="item.showText" v-if="item.showText">
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{{ item.showText }}
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</div>
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<div class="branch-node-text" v-else>
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{{ NODE_DEFAULT_TEXT.get(NodeType.CONDITION_NODE) }}
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</div>
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</div>
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<div v-if="!readonly" class="node-toolbar">
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<div class="toolbar-icon">
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<Icon
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color="#0089ff"
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icon="ep:circle-close-filled"
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:size="18"
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@click="deleteCondition(index)"
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/>
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</div>
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</div>
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</div>
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<NodeHandler v-model:child-node="item.childNode" :current-node="item" />
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</div>
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</div>
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<!-- 递归显示子节点 -->
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<ProcessNodeTree
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v-if="item && item.childNode"
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:parent-node="item"
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v-model:flow-node="item.childNode"
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@find:recursive-find-parent-node="recursiveFindParentNode"
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/>
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</div>
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</div>
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<NodeHandler
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v-if="currentNode"
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v-model:child-node="currentNode.childNode"
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:current-node="currentNode"
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/>
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</div>
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</template>
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<script setup lang="ts">
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import NodeHandler from '../NodeHandler.vue'
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import ProcessNodeTree from '../ProcessNodeTree.vue'
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import { SimpleFlowNode, NodeType, NODE_DEFAULT_TEXT } from '../consts'
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import { useTaskStatusClass } from '../node'
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import { generateUUID } from '@/utils'
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const { proxy } = getCurrentInstance() as any
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defineOptions({
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name: 'ParallelNode'
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})
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const props = defineProps({
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flowNode: {
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type: Object as () => SimpleFlowNode,
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required: true
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}
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})
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// 定义事件，更新父组件
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const emits = defineEmits<{
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'update:modelValue': [node: SimpleFlowNode | undefined]
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'find:parentNode': [nodeList: SimpleFlowNode[], nodeType: number]
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'find:recursiveFindParentNode': [
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nodeList: SimpleFlowNode[],
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curentNode: SimpleFlowNode,
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nodeType: number
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]
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}>()
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const currentNode = ref<SimpleFlowNode>(props.flowNode)
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// 是否只读
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const readonly = inject<Boolean>('readonly')
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watch(
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() => props.flowNode,
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(newValue) => {
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currentNode.value = newValue
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}
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)
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const showInputs = ref<boolean[]>([])
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// 失去焦点
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const blurEvent = (index: number) => {
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showInputs.value[index] = false
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const conditionNode = currentNode.value.conditionNodes?.at(index) as SimpleFlowNode
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conditionNode.name = conditionNode.name || `并行${index + 1}`
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}
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// 点击条件名称
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const clickEvent = (index: number) => {
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showInputs.value[index] = true
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}
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const conditionNodeConfig = (nodeId: string) => {
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const conditionNode = proxy.$refs[nodeId][0]
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conditionNode.open()
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}
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// 新增条件
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const addCondition = () => {
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const conditionNodes = currentNode.value.conditionNodes
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if (conditionNodes) {
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const len = conditionNodes.length
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let lastIndex = len - 1
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const conditionData: SimpleFlowNode = {
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id: 'Flow_' + generateUUID(),
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name: '并行' + len,
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showText: '无需配置条件同时执行',
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type: NodeType.CONDITION_NODE,
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childNode: undefined,
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conditionNodes: []
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}
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conditionNodes.splice(lastIndex, 0, conditionData)
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}
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}
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// 删除条件
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const deleteCondition = (index: number) => {
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const conditionNodes = currentNode.value.conditionNodes
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if (conditionNodes) {
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conditionNodes.splice(index, 1)
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if (conditionNodes.length == 1) {
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const childNode = currentNode.value.childNode
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// 更新此节点为后续孩子节点
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emits('update:modelValue', childNode)
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}
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}
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}
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// 递归从父节点中查询匹配的节点
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const recursiveFindParentNode = (
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nodeList: SimpleFlowNode[],
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node: SimpleFlowNode,
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nodeType: number
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) => {
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if (!node || node.type === NodeType.START_USER_NODE) {
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return
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}
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if (node.type === nodeType) {
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nodeList.push(node)
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}
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// 条件节点 (NodeType.CONDITION_NODE) 比较特殊。需要调用其父节点并行节点（NodeType.PARALLEL_NODE) 继续查找
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emits('find:parentNode', nodeList, nodeType)
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}
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</script>
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