535 lines
17 KiB
Vue
535 lines
17 KiB
Vue
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<template>
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<div class="my-process-designer">
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<div class="my-process-designer__container">
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<div class="my-process-designer__canvas" style="height: 760px" ref="bpmnCanvas"></div>
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</div>
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</div>
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</template>
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<script lang="ts" setup>
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import { ref, watch, onBeforeUnmount, onMounted, nextTick } from 'vue'
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import BpmnViewer from 'bpmn-js/lib/Viewer'
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import 'bpmn-js/dist/assets/diagram-js.css'
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import 'bpmn-js/dist/assets/bpmn-font/css/bpmn.css'
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import 'bpmn-js/dist/assets/bpmn-font/css/bpmn-codes.css'
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import 'bpmn-js/dist/assets/bpmn-font/css/bpmn-embedded.css'
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defineOptions({ name: 'MyProcessViewer' })
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const props = defineProps({
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value: {
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// BPMN XML 字符串
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type: String,
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default: ''
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},
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prefix: {
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// 使用哪个引擎
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type: String,
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default: 'camunda'
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},
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activityData: {
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// 活动的数据。传递时，可高亮流程
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type: Array,
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default: () => []
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}
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})
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const emit = defineEmits(['destroy'])
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let bpmnModeler: any
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const xml = ref('')
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const activityLists = ref<any[]>([])
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const processInstance = ref<any>(undefined)
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const taskList = ref<any[]>([])
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const bpmnCanvas = ref()
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const initBpmnModeler = () => {
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if (bpmnModeler) return
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bpmnModeler = new BpmnViewer({
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container: bpmnCanvas.value,
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bpmnRenderer: {}
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})
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}
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/* 创建新的流程图 */
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const createNewDiagram = async (xml: any) => {
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// 将字符串转换成图显示出来
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let xmlString = xml
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try {
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let { warnings } = await bpmnModeler.importXML(xmlString)
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if (warnings && warnings.length) {
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// warnings.forEach(warn => console.warn(warn))
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}
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// 高亮流程图
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await highlightDiagram()
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const canvas = bpmnModeler.get('canvas')
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canvas.zoom('fit-viewport', 'auto')
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} catch (e) {
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console.error(e)
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// console.error(`[Process Designer Warn]: ${e?.message || e}`);
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}
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}
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/* 高亮流程图 */
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// TODO 芋艿：如果多个 endActivity 的话，目前的逻辑可能有一定的问题。https://www.jdon.com/workflow/multi-events.html
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const highlightDiagram = async () => {
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const activityList = activityLists.value
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if (activityList.length === 0) {
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return
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}
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// 参考自 https://gitee.com/tony2y/RuoYi-flowable/blob/master/ruoyi-ui/src/components/Process/index.vue#L222 实现
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// 再次基础上，增加不同审批结果的颜色等等
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let canvas = bpmnModeler.get('canvas')
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let todoActivity: any = activityList.find((m: any) => !m.endTime) // 找到待办的任务
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let endActivity: any = activityList[activityList.length - 1] // 获得最后一个任务
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let findProcessTask = false //是否已经高亮了进行中的任务
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//进行中高亮之后的任务 key 集合，用于过滤掉 taskList 进行中后面的任务，避免进行中后面的数据 Hover 还有数据
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let removeTaskDefinitionKeyList: any = []
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// debugger
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bpmnModeler.getDefinitions().rootElements[0].flowElements?.forEach((n: any) => {
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let activity: any = activityList.find((m: any) => m.key === n.id) // 找到对应的活动
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if (!activity) {
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return
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}
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if (n.$type === 'bpmn:UserTask') {
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// 用户任务
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// 处理用户任务的高亮
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const task: any = taskList.value.find((m: any) => m.id === activity.taskId) // 找到活动对应的 taskId
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if (!task) {
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return
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}
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// 进行中的任务已经高亮过了，则不高亮后面的任务了
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if (findProcessTask) {
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removeTaskDefinitionKeyList.push(n.id)
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return
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}
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// 高亮任务
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canvas.addMarker(n.id, getResultCss(task.status))
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//标记是否高亮了进行中任务
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if (task.status === 1) {
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findProcessTask = true
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}
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// 如果非通过，就不走后面的线条了
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if (task.status !== 2) {
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return
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}
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// 处理 outgoing 出线
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const outgoing = getActivityOutgoing(activity)
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outgoing?.forEach((nn: any) => {
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// debugger
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let targetActivity: any = activityList.find((m: any) => m.key === nn.targetRef.id)
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// 如果目标活动存在，则根据该活动是否结束，进行【bpmn:SequenceFlow】连线的高亮设置
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if (targetActivity) {
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canvas.addMarker(nn.id, targetActivity.endTime ? 'highlight' : 'highlight-todo')
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} else if (nn.targetRef.$type === 'bpmn:ExclusiveGateway') {
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// TODO 芋艿：这个流程，暂时没走到过
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canvas.addMarker(nn.id, activity.endTime ? 'highlight' : 'highlight-todo')
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canvas.addMarker(nn.targetRef.id, activity.endTime ? 'highlight' : 'highlight-todo')
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} else if (nn.targetRef.$type === 'bpmn:EndEvent') {
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// TODO 芋艿：这个流程，暂时没走到过
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if (!todoActivity && endActivity.key === n.id) {
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canvas.addMarker(nn.id, 'highlight')
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canvas.addMarker(nn.targetRef.id, 'highlight')
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}
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if (!activity.endTime) {
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canvas.addMarker(nn.id, 'highlight-todo')
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canvas.addMarker(nn.targetRef.id, 'highlight-todo')
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}
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}
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})
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} else if (n.$type === 'bpmn:ExclusiveGateway') {
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// 排它网关
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// 设置【bpmn:ExclusiveGateway】排它网关的高亮
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canvas.addMarker(n.id, getActivityHighlightCss(activity))
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// 查找需要高亮的连线
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let matchNN: any = undefined
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let matchActivity: any = undefined
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n.outgoing?.forEach((nn: any) => {
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let targetActivity = activityList.find((m: any) => m.key === nn.targetRef.id)
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if (!targetActivity) {
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return
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}
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// 特殊判断 endEvent 类型的原因，ExclusiveGateway 可能后续连有 2 个路径：
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// 1. 一个是 UserTask => EndEvent
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// 2. 一个是 EndEvent
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// 在选择路径 1 时，其实 EndEvent 可能也存在，导致 1 和 2 都高亮，显然是不正确的。
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// 所以，在 matchActivity 为 EndEvent 时，需要进行覆盖~~
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if (!matchActivity || matchActivity.type === 'endEvent') {
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matchNN = nn
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matchActivity = targetActivity
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}
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})
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if (matchNN && matchActivity) {
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canvas.addMarker(matchNN.id, getActivityHighlightCss(matchActivity))
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}
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} else if (n.$type === 'bpmn:ParallelGateway') {
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// 并行网关
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// 设置【bpmn:ParallelGateway】并行网关的高亮
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canvas.addMarker(n.id, getActivityHighlightCss(activity))
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n.outgoing?.forEach((nn: any) => {
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// 获得连线是否有指向目标。如果有，则进行高亮
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const targetActivity = activityList.find((m: any) => m.key === nn.targetRef.id)
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if (targetActivity) {
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canvas.addMarker(nn.id, getActivityHighlightCss(targetActivity)) // 高亮【bpmn:SequenceFlow】连线
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// 高亮【...】目标。其中 ... 可以是 bpm:UserTask、也可以是其它的。当然，如果是 bpm:UserTask 的话，其实不做高亮也没问题，因为上面有逻辑做了这块。
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canvas.addMarker(nn.targetRef.id, getActivityHighlightCss(targetActivity))
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}
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})
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} else if (n.$type === 'bpmn:StartEvent') {
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// 开始节点
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canvas.addMarker(n.id, 'highlight')
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n.outgoing?.forEach(nn => {
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// outgoing 例如说【bpmn:SequenceFlow】连线
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// 获得连线是否有指向目标。如果有，则进行高亮
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let targetActivity = activityList.find((m: any) => m.key === nn.targetRef.id)
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if (targetActivity) {
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canvas.addMarker(nn.id, 'highlight') // 高亮【bpmn:SequenceFlow】连线
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canvas.addMarker(n.id, 'highlight') // 高亮【bpmn:StartEvent】开始节点（自己）
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}
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})
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} else if (n.$type === 'bpmn:EndEvent') {
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// 结束节点
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if (!processInstance.value || processInstance.value.status === 1) {
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return
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}
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canvas.addMarker(n.id, getResultCss(processInstance.value.status))
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} else if (n.$type === 'bpmn:ServiceTask') {
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//服务任务
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if (activity.startTime > 0 && activity.endTime === 0) {
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//进入执行，标识进行色
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canvas.addMarker(n.id, getResultCss(1))
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}
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if (activity.endTime > 0) {
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// 执行完成，节点标识完成色, 所有outgoing标识完成色。
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canvas.addMarker(n.id, getResultCss(2))
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const outgoing = getActivityOutgoing(activity)
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outgoing?.forEach((out: any) => {
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canvas.addMarker(out.id, getResultCss(2))
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})
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}
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} else if (n.$type === 'bpmn:SequenceFlow') {
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let targetActivity = activityList.find((m: any) => m.key === n.targetRef.id)
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if (targetActivity) {
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canvas.addMarker(n.id, getActivityHighlightCss(targetActivity))
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}
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}
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})
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if (!(removeTaskDefinitionKeyList == null)) {
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taskList.value = taskList.value.filter(item => !removeTaskDefinitionKeyList.includes(item.taskDefinitionKey))
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}
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}
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const getActivityHighlightCss = (activity: any) => {
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return activity.endTime ? 'highlight' : 'highlight-todo'
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}
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const getResultCss = (status: any) => {
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if (status === 1) {
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// 审批中
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return 'highlight-todo'
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} else if (status === 2) {
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// 已通过
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return 'highlight'
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} else if (status === 3) {
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// 不通过
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return 'highlight-reject'
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} else if (status === 4) {
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// 已取消
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return 'highlight-cancel'
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} else if (status === 5) {
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// 退回
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return 'highlight-return'
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} else if (status === 6) {
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// 委派
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return 'highlight-todo'
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} else if (status === 7) {
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// 审批通过中
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return 'highlight-todo'
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} else if (status === 0) {
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// 待审批
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return 'highlight-todo'
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}
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return ''
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}
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const getActivityOutgoing = (activity: any) => {
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// 如果有 outgoing，则直接使用它
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if (activity.outgoing && activity.outgoing.length > 0) {
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return activity.outgoing
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}
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// 如果没有，则遍历获得起点为它的【bpmn:SequenceFlow】节点们。原因是：bpmn-js 的 UserTask 拿不到 outgoing
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const flowElements = bpmnModeler.getDefinitions().rootElements[0].flowElements
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const outgoing: any[] = []
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flowElements.forEach((item: any) => {
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if (item.$type !== 'bpmn:SequenceFlow') {
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return
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}
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if (item.sourceRef.id === activity.key) {
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outgoing.push(item)
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}
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})
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return outgoing
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}
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onMounted(() => {
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xml.value = props.value
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activityLists.value = props.activityData
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// 初始化
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initBpmnModeler()
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createNewDiagram(xml.value)
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})
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onBeforeUnmount(() => {
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// this.$once('hook:beforeDestroy', () => {
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// })
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if (bpmnModeler) bpmnModeler.destroy()
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emit('destroy', bpmnModeler)
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bpmnModeler = null
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})
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watch(
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() => props.value,
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newValue => {
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xml.value = newValue
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createNewDiagram(xml.value)
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}
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)
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watch(
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() => props.activityData,
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newActivityData => {
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activityLists.value = newActivityData
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createNewDiagram(xml.value)
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}
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)
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</script>
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<style lang="scss">
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/** 处理中 */
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.highlight-todo.djs-connection > .djs-visual > path {
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stroke: #1890ff !important;
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stroke-dasharray: 4px !important;
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fill-opacity: 0.2 !important;
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}
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.highlight-todo.djs-shape .djs-visual > :nth-child(1) {
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fill: #1890ff !important;
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stroke: #1890ff !important;
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|
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stroke-dasharray: 4px !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-todo.djs-connection > .djs-visual > path) {
|
|||
|
|
stroke: #1890ff !important;
|
|||
|
|
stroke-dasharray: 4px !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
marker-end: url('#sequenceflow-end-_E7DFDF-_E7DFDF-803g1kf6zwzmcig1y2ulm5egr');
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-todo.djs-shape .djs-visual > :nth-child(1)) {
|
|||
|
|
fill: #1890ff !important;
|
|||
|
|
stroke: #1890ff !important;
|
|||
|
|
stroke-dasharray: 4px !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/** 通过 */
|
|||
|
|
.highlight.djs-shape .djs-visual > :nth-child(1) {
|
|||
|
|
fill: green !important;
|
|||
|
|
stroke: green !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight.djs-shape .djs-visual > :nth-child(2) {
|
|||
|
|
fill: green !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight.djs-shape .djs-visual > path {
|
|||
|
|
fill: green !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
stroke: green !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight.djs-connection > .djs-visual > path {
|
|||
|
|
stroke: green !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight:not(.djs-connection) .djs-visual > :nth-child(1) {
|
|||
|
|
fill: green !important; /* color elements as green */
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight.djs-shape .djs-visual > :nth-child(1)) {
|
|||
|
|
fill: green !important;
|
|||
|
|
stroke: green !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight.djs-shape .djs-visual > :nth-child(2)) {
|
|||
|
|
fill: green !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight.djs-shape .djs-visual > path) {
|
|||
|
|
fill: green !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
stroke: green !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight.djs-connection > .djs-visual > path) {
|
|||
|
|
stroke: green !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.djs-element.highlight > .djs-visual > path {
|
|||
|
|
stroke: green !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/** 不通过 */
|
|||
|
|
.highlight-reject.djs-shape .djs-visual > :nth-child(1) {
|
|||
|
|
fill: red !important;
|
|||
|
|
stroke: red !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-reject.djs-shape .djs-visual > :nth-child(2) {
|
|||
|
|
fill: red !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-reject.djs-shape .djs-visual > path {
|
|||
|
|
fill: red !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
stroke: red !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-reject.djs-connection > .djs-visual > path {
|
|||
|
|
stroke: red !important;
|
|||
|
|
marker-end: url(#sequenceflow-end-white-success) !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-reject:not(.djs-connection) .djs-visual > :nth-child(1) {
|
|||
|
|
fill: red !important; /* color elements as green */
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-reject.djs-shape .djs-visual > :nth-child(1)) {
|
|||
|
|
fill: red !important;
|
|||
|
|
stroke: red !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-reject.djs-shape .djs-visual > :nth-child(2)) {
|
|||
|
|
fill: red !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-reject.djs-shape .djs-visual > path) {
|
|||
|
|
fill: red !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
stroke: red !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-reject.djs-connection > .djs-visual > path) {
|
|||
|
|
stroke: red !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/** 已取消 */
|
|||
|
|
.highlight-cancel.djs-shape .djs-visual > :nth-child(1) {
|
|||
|
|
fill: grey !important;
|
|||
|
|
stroke: grey !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-cancel.djs-shape .djs-visual > :nth-child(2) {
|
|||
|
|
fill: grey !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-cancel.djs-shape .djs-visual > path {
|
|||
|
|
fill: grey !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
stroke: grey !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-cancel.djs-connection > .djs-visual > path {
|
|||
|
|
stroke: grey !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-cancel:not(.djs-connection) .djs-visual > :nth-child(1) {
|
|||
|
|
fill: grey !important; /* color elements as green */
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-cancel.djs-shape .djs-visual > :nth-child(1)) {
|
|||
|
|
fill: grey !important;
|
|||
|
|
stroke: grey !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-cancel.djs-shape .djs-visual > :nth-child(2)) {
|
|||
|
|
fill: grey !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-cancel.djs-shape .djs-visual > path) {
|
|||
|
|
fill: grey !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
stroke: grey !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-cancel.djs-connection > .djs-visual > path) {
|
|||
|
|
stroke: grey !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/** 回退 */
|
|||
|
|
.highlight-return.djs-shape .djs-visual > :nth-child(1) {
|
|||
|
|
fill: #e6a23c !important;
|
|||
|
|
stroke: #e6a23c !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-return.djs-shape .djs-visual > :nth-child(2) {
|
|||
|
|
fill: #e6a23c !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-return.djs-shape .djs-visual > path {
|
|||
|
|
fill: #e6a23c !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
stroke: #e6a23c !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-return.djs-connection > .djs-visual > path {
|
|||
|
|
stroke: #e6a23c !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.highlight-return:not(.djs-connection) .djs-visual > :nth-child(1) {
|
|||
|
|
fill: #e6a23c !important; /* color elements as green */
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-return.djs-shape .djs-visual > :nth-child(1)) {
|
|||
|
|
fill: #e6a23c !important;
|
|||
|
|
stroke: #e6a23c !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-return.djs-shape .djs-visual > :nth-child(2)) {
|
|||
|
|
fill: #e6a23c !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-return.djs-shape .djs-visual > path) {
|
|||
|
|
fill: #e6a23c !important;
|
|||
|
|
fill-opacity: 0.2 !important;
|
|||
|
|
stroke: #e6a23c !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.highlight-return.djs-connection > .djs-visual > path) {
|
|||
|
|
stroke: #e6a23c !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.element-overlays {
|
|||
|
|
width: 200px;
|
|||
|
|
padding: 8px;
|
|||
|
|
color: #fafafa;
|
|||
|
|
background: rgb(0 0 0 / 60%);
|
|||
|
|
border-radius: 4px;
|
|||
|
|
box-sizing: border-box;
|
|||
|
|
}
|
|||
|
|
</style>
|