<template>
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<div class="panel-tab__content">
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<div class="panel-tab__content--title">
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<span><Icon icon="ep:menu" style="margin-right: 8px; color: #555" />消息列表</span>
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<XButton type="primary" title="创建新消息" preIcon="ep:plus" @click="openModel('message')" />
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</div>
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<el-table :data="messageList" border>
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<el-table-column type="index" label="序号" width="60px" />
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<el-table-column label="消息ID" prop="id" min-width="120px" show-overflow-tooltip />
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<el-table-column label="消息名称" prop="name" min-width="120px" show-overflow-tooltip />
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<el-table-column label="操作" width="110px">
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<!-- 补充“编辑”、“移除”功能。相关 issue：https://github.com/YunaiV/yudao-cloud/issues/270 -->
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<template #default="scope">
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<el-button link @click="openEditModel('message', scope.row, scope.$index)" size="small">
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编辑
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</el-button>
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<el-divider direction="vertical" />
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<el-button
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link
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size="small"
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style="color: #ff4d4f"
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@click="removeObject('message', scope.row)"
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>
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移除
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</el-button>
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</template>
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</el-table-column>
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</el-table>
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<div
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class="panel-tab__content--title"
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style="padding-top: 8px; margin-top: 8px; border-top: 1px solid #eee"
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>
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<span><Icon icon="ep:menu" style="margin-right: 8px; color: #555" />信号列表</span>
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<XButton type="primary" title="创建新信号" preIcon="ep:plus" @click="openModel('signal')" />
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</div>
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<el-table :data="signalList" border>
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<el-table-column type="index" label="序号" width="60px" />
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<el-table-column label="信号ID" prop="id" min-width="120px" show-overflow-tooltip />
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<el-table-column label="信号名称" prop="name" min-width="120px" show-overflow-tooltip />
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<el-table-column label="操作" width="110px">
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<template #default="scope">
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<el-button link @click="openEditModel('signal', scope.row, scope.$index)" size="small">
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编辑
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</el-button>
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<el-divider direction="vertical" />
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<el-button
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link
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size="small"
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style="color: #ff4d4f"
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@click="removeObject('signal', scope.row)"
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>
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移除
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</el-button>
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</template>
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</el-table-column>
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</el-table>
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<el-dialog
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v-model="dialogVisible"
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:title="modelConfig.title"
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:close-on-click-modal="false"
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width="400px"
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append-to-body
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destroy-on-close
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>
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<el-form :model="modelObjectForm" label-width="90px">
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<el-form-item :label="modelConfig.idLabel">
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<el-input v-model="modelObjectForm.id" clearable />
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</el-form-item>
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<el-form-item :label="modelConfig.nameLabel">
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<el-input v-model="modelObjectForm.name" clearable />
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</el-form-item>
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</el-form>
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<template #footer>
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<el-button @click="dialogVisible = false">取 消</el-button>
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<el-button type="primary" @click="addNewObject">保 存</el-button>
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</template>
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</el-dialog>
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</div>
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</template>
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<script lang="ts" setup>
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import { ElMessageBox } from 'element-plus'
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defineOptions({ name: 'SignalAndMassage' })
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const message = useMessage()
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const signalList = ref<any[]>([])
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const messageList = ref<any[]>([])
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const dialogVisible = ref(false)
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const modelType = ref('')
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const modelObjectForm = ref<any>({})
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const rootElements = ref()
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const messageIdMap = ref()
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const signalIdMap = ref()
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const editingIndex = ref(-1) // 正在编辑的索引，-1 表示新建
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const modelConfig = computed(() => {
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const isEdit = editingIndex.value !== -1
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if (modelType.value === 'message') {
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return {
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title: isEdit ? '编辑消息' : '创建消息',
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idLabel: '消息ID',
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nameLabel: '消息名称'
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}
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} else {
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return {
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title: isEdit ? '编辑信号' : '创建信号',
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idLabel: '信号ID',
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nameLabel: '信号名称'
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}
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}
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})
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const bpmnInstances = () => (window as any)?.bpmnInstances
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// 生成规范化的ID
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const generateStandardId = (type: string): string => {
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const prefix = type === 'message' ? 'Message_' : 'Signal_'
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const timestamp = Date.now()
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const random = Math.random().toString(36).substring(2, 6).toUpperCase()
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return `${prefix}${timestamp}_${random}`
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}
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const initDataList = () => {
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console.log(window, 'window')
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rootElements.value = bpmnInstances().modeler.getDefinitions().rootElements
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messageIdMap.value = {}
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signalIdMap.value = {}
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messageList.value = []
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signalList.value = []
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rootElements.value.forEach((el) => {
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if (el.$type === 'bpmn:Message') {
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messageIdMap.value[el.id] = true
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messageList.value.push({ ...el })
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}
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if (el.$type === 'bpmn:Signal') {
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signalIdMap.value[el.id] = true
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signalList.value.push({ ...el })
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}
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})
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}
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const openModel = (type) => {
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modelType.value = type
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editingIndex.value = -1
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modelObjectForm.value = {
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id: generateStandardId(type),
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name: ''
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}
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dialogVisible.value = true
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}
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const openEditModel = (type, row, index) => {
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modelType.value = type
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editingIndex.value = index
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modelObjectForm.value = { ...row }
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dialogVisible.value = true
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}
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const addNewObject = () => {
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if (modelType.value === 'message') {
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// 编辑模式
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if (editingIndex.value !== -1) {
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const targetMessage = messageList.value[editingIndex.value]
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// 查找 rootElements 中的原始对象
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const rootMessage = rootElements.value.find(
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(el) => el.$type === 'bpmn:Message' && el.id === targetMessage.id
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)
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if (rootMessage) {
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rootMessage.id = modelObjectForm.value.id
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rootMessage.name = modelObjectForm.value.name
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}
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} else {
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// 新建模式
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if (messageIdMap.value[modelObjectForm.value.id]) {
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message.error('该消息已存在，请修改id后重新保存')
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return
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}
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const messageRef = bpmnInstances().moddle.create('bpmn:Message', modelObjectForm.value)
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rootElements.value.push(messageRef)
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}
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} else {
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// 编辑模式
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if (editingIndex.value !== -1) {
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const targetSignal = signalList.value[editingIndex.value]
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// 查找 rootElements 中的原始对象
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const rootSignal = rootElements.value.find(
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(el) => el.$type === 'bpmn:Signal' && el.id === targetSignal.id
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)
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if (rootSignal) {
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rootSignal.id = modelObjectForm.value.id
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rootSignal.name = modelObjectForm.value.name
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}
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} else {
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// 新建模式
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if (signalIdMap.value[modelObjectForm.value.id]) {
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message.error('该信号已存在，请修改id后重新保存')
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return
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}
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const signalRef = bpmnInstances().moddle.create('bpmn:Signal', modelObjectForm.value)
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rootElements.value.push(signalRef)
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}
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}
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dialogVisible.value = false
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// 触发建模器更新以保存更改
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saveChanges()
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initDataList()
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}
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const removeObject = (type, row) => {
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ElMessageBox.confirm(`确认移除该${type === 'message' ? '消息' : '信号'}吗？`, '提示', {
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confirmButtonText: '确 认',
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cancelButtonText: '取 消'
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})
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.then(() => {
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// 从 rootElements 中移除
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const targetType = type === 'message' ? 'bpmn:Message' : 'bpmn:Signal'
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const elementIndex = rootElements.value.findIndex(
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(el) => el.$type === targetType && el.id === row.id
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)
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if (elementIndex !== -1) {
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rootElements.value.splice(elementIndex, 1)
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}
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// 触发建模器更新以保存更改
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saveChanges()
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// 刷新列表
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initDataList()
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message.success('移除成功')
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})
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.catch(() => console.info('操作取消'))
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}
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// 触发建模器更新以保存更改
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const saveChanges = () => {
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const modeler = bpmnInstances().modeler
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if (!modeler) return
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try {
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// 获取 canvas，通过它来触发图表的重新渲染
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const canvas = modeler.get('canvas')
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// 获取根元素（Process）
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const rootElement = canvas.getRootElement()
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// 触发 changed 事件，通知建模器数据已更改
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const eventBus = modeler.get('eventBus')
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if (eventBus) {
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eventBus.fire('root.added', { element: rootElement })
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eventBus.fire('elements.changed', { elements: [rootElement] })
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}
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// 标记建模器为已修改状态
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const commandStack = modeler.get('commandStack')
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if (commandStack && commandStack._stack) {
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// 添加一个空命令以标记为已修改
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commandStack.execute('element.updateProperties', {
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element: rootElement,
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properties: {}
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})
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}
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} catch (error) {
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console.warn('保存更改时出错:', error)
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}
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}
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onMounted(() => {
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initDataList()
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})
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</script>
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