<template>
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<div class="simple-process-model-container position-relative">
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<div class="position-absolute top-0px right-0px bg-#fff">
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<el-row type="flex" justify="end">
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<el-button-group key="scale-control" size="default">
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<el-button size="default" :icon="ScaleToOriginal" @click="processReZoom()" />
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<el-button size="default" :plain="true" :icon="ZoomOut" @click="zoomOut()" />
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<el-button size="default" class="w-80px"> {{ scaleValue }}% </el-button>
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<el-button size="default" :plain="true" :icon="ZoomIn" @click="zoomIn()" />
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</el-button-group>
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<el-button
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v-if="!readonly"
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size="default"
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class="ml-4px"
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type="primary"
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:icon="Select"
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@click="saveSimpleFlowModel"
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>保存模型</el-button
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>
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</el-row>
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</div>
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<div class="simple-process-model" :style="`transform: scale(${scaleValue / 100});`">
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<ProcessNodeTree v-if="processNodeTree" v-model:flow-node="processNodeTree" />
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</div>
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</div>
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<Dialog v-model="errorDialogVisible" title="保存失败" width="400" :fullscreen="false">
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<div class="mb-2">以下节点内容不完善,请修改后保存</div>
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<div
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class="mb-3 b-rounded-1 bg-gray-100 p-2 line-height-normal"
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v-for="(item, index) in errorNodes"
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:key="index"
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>
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{{ item.name }} : {{ NODE_DEFAULT_TEXT.get(item.type) }}
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</div>
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<template #footer>
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<el-button type="primary" @click="errorDialogVisible = false">知道了</el-button>
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</template>
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</Dialog>
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</template>
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<script setup lang="ts">
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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 { useWatchNode } from './node'
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import { Select, ZoomOut, ZoomIn, ScaleToOriginal } from '@element-plus/icons-vue'
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defineOptions({
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name: 'SimpleProcessModel'
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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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readonly: {
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type: Boolean,
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required: false,
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default: true
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}
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})
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const emits = defineEmits<{
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'save': [node: SimpleFlowNode | undefined]
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}>()
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const processNodeTree = useWatchNode(props)
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provide('readonly', props.readonly)
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let scaleValue = ref(100)
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const MAX_SCALE_VALUE = 200
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const MIN_SCALE_VALUE = 50
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// 放大
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const zoomIn = () => {
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if (scaleValue.value == MAX_SCALE_VALUE) {
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return
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}
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scaleValue.value += 10
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}
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// 缩小
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const zoomOut = () => {
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if (scaleValue.value == MIN_SCALE_VALUE) {
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return
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}
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scaleValue.value -= 10
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}
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const processReZoom = () => {
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scaleValue.value = 100
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}
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const errorDialogVisible = ref(false)
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let errorNodes: SimpleFlowNode[] = []
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const saveSimpleFlowModel = async () => {
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errorNodes = []
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validateNode(processNodeTree.value, errorNodes)
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if (errorNodes.length > 0) {
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errorDialogVisible.value = true
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return
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}
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emits('save', processNodeTree.value)
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}
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// 校验节点设置。 暂时以 showText 为空 未节点错误配置
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const validateNode = (node: SimpleFlowNode | undefined, errorNodes: SimpleFlowNode[]) => {
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if (node) {
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const { type, showText, conditionNodes } = node
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if (type == NodeType.END_EVENT_NODE) {
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return
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}
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if (type == NodeType.START_USER_NODE) {
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// 发起人节点暂时不用校验,直接校验孩子节点
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validateNode(node.childNode, errorNodes)
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}
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if (
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type === NodeType.USER_TASK_NODE ||
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type === NodeType.COPY_TASK_NODE ||
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type === NodeType.CONDITION_NODE
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) {
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if (!showText) {
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errorNodes.push(node)
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}
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validateNode(node.childNode, errorNodes)
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}
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if (
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type == NodeType.CONDITION_BRANCH_NODE ||
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type == NodeType.PARALLEL_BRANCH_NODE ||
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type == NodeType.INCLUSIVE_BRANCH_NODE
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) {
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// 分支节点
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// 1. 先校验各个分支
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conditionNodes?.forEach((item) => {
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validateNode(item, errorNodes)
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})
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// 2. 校验孩子节点
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validateNode(node.childNode, errorNodes)
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}
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}
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}
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</script>
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<style lang="scss" scoped></style>
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