初始化项目，自 v1.7.1 版本开始

src/components/bpmnProcessDesigner/package/designer/plugins/extension-moddle/activiti/activitiExtension.js

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+'use strict'
+
+import { some } from 'min-dash'
+
+// const some = require('min-dash').some
+// const some = some
+
+const ALLOWED_TYPES = {
+  FailedJobRetryTimeCycle: [
+    'bpmn:StartEvent',
+    'bpmn:BoundaryEvent',
+    'bpmn:IntermediateCatchEvent',
+    'bpmn:Activity'
+  ],
+  Connector: ['bpmn:EndEvent', 'bpmn:IntermediateThrowEvent'],
+  Field: ['bpmn:EndEvent', 'bpmn:IntermediateThrowEvent']
+}
+
+function is(element, type) {
+  return element && typeof element.$instanceOf === 'function' && element.$instanceOf(type)
+}
+
+function exists(element) {
+  return element && element.length
+}
+
+function includesType(collection, type) {
+  return (
+    exists(collection) &&
+    some(collection, function (element) {
+      return is(element, type)
+    })
+  )
+}
+
+function anyType(element, types) {
+  return some(types, function (type) {
+    return is(element, type)
+  })
+}
+
+function isAllowed(propName, propDescriptor, newElement) {
+  const name = propDescriptor.name,
+    types = ALLOWED_TYPES[name.replace(/activiti:/, '')]
+
+  return name === propName && anyType(newElement, types)
+}
+
+function ActivitiModdleExtension(eventBus) {
+  eventBus.on(
+    'property.clone',
+    function (context) {
+      const newElement = context.newElement,
+        propDescriptor = context.propertyDescriptor
+
+      this.canCloneProperty(newElement, propDescriptor)
+    },
+    this
+  )
+}
+
+ActivitiModdleExtension.$inject = ['eventBus']
+
+ActivitiModdleExtension.prototype.canCloneProperty = function (newElement, propDescriptor) {
+  if (isAllowed('activiti:FailedJobRetryTimeCycle', propDescriptor, newElement)) {
+    return (
+      includesType(newElement.eventDefinitions, 'bpmn:TimerEventDefinition') ||
+      includesType(newElement.eventDefinitions, 'bpmn:SignalEventDefinition') ||
+      is(newElement.loopCharacteristics, 'bpmn:MultiInstanceLoopCharacteristics')
+    )
+  }
+
+  if (isAllowed('activiti:Connector', propDescriptor, newElement)) {
+    return includesType(newElement.eventDefinitions, 'bpmn:MessageEventDefinition')
+  }
+
+  if (isAllowed('activiti:Field', propDescriptor, newElement)) {
+    return includesType(newElement.eventDefinitions, 'bpmn:MessageEventDefinition')
+  }
+}
+
+// module.exports = ActivitiModdleExtension;
+export default ActivitiModdleExtension

src/components/bpmnProcessDesigner/package/designer/plugins/extension-moddle/activiti/index.js

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+/*
+ * @author igdianov
+ * address https://github.com/igdianov/activiti-bpmn-moddle
+ * */
+
+import activitiExtension from './activitiExtension'
+
+export default {
+  __init__: ['ActivitiModdleExtension'],
+  ActivitiModdleExtension: ['type', activitiExtension]
+}

src/components/bpmnProcessDesigner/package/designer/plugins/extension-moddle/camunda/extension.js

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+'use strict'
+
+import { isFunction, isObject, some } from 'min-dash'
+
+// const isFunction = isFunction,
+//   isObject = isObject,
+//   some = some
+// const isFunction = require('min-dash').isFunction,
+//   isObject = require('min-dash').isObject,
+//   some = require('min-dash').some
+
+const WILDCARD = '*'
+
+function CamundaModdleExtension(eventBus) {
+  // eslint-disable-next-line @typescript-eslint/no-this-alias
+  const self = this
+
+  eventBus.on('moddleCopy.canCopyProperty', function (context) {
+    const property = context.property,
+      parent = context.parent
+
+    return self.canCopyProperty(property, parent)
+  })
+}
+
+CamundaModdleExtension.$inject = ['eventBus']
+
+/**
+ * Check wether to disallow copying property.
+ */
+CamundaModdleExtension.prototype.canCopyProperty = function (property, parent) {
+  // (1) check wether property is allowed in parent
+  if (isObject(property) && !isAllowedInParent(property, parent)) {
+    return false
+  }
+
+  // (2) check more complex scenarios
+
+  if (is(property, 'camunda:InputOutput') && !this.canHostInputOutput(parent)) {
+    return false
+  }
+
+  if (isAny(property, ['camunda:Connector', 'camunda:Field']) && !this.canHostConnector(parent)) {
+    return false
+  }
+
+  if (is(property, 'camunda:In') && !this.canHostIn(parent)) {
+    return false
+  }
+}
+
+CamundaModdleExtension.prototype.canHostInputOutput = function (parent) {
+  // allowed in camunda:Connector
+  const connector = getParent(parent, 'camunda:Connector')
+
+  if (connector) {
+    return true
+  }
+
+  // special rules inside bpmn:FlowNode
+  const flowNode = getParent(parent, 'bpmn:FlowNode')
+
+  if (!flowNode) {
+    return false
+  }
+
+  if (isAny(flowNode, ['bpmn:StartEvent', 'bpmn:Gateway', 'bpmn:BoundaryEvent'])) {
+    return false
+  }
+
+  return !(is(flowNode, 'bpmn:SubProcess') && flowNode.get('triggeredByEvent'))
+}
+
+CamundaModdleExtension.prototype.canHostConnector = function (parent) {
+  const serviceTaskLike = getParent(parent, 'camunda:ServiceTaskLike')
+
+  if (is(serviceTaskLike, 'bpmn:MessageEventDefinition')) {
+    // only allow on throw and end events
+    return getParent(parent, 'bpmn:IntermediateThrowEvent') || getParent(parent, 'bpmn:EndEvent')
+  }
+
+  return true
+}
+
+CamundaModdleExtension.prototype.canHostIn = function (parent) {
+  const callActivity = getParent(parent, 'bpmn:CallActivity')
+
+  if (callActivity) {
+    return true
+  }
+
+  const signalEventDefinition = getParent(parent, 'bpmn:SignalEventDefinition')
+
+  if (signalEventDefinition) {
+    // only allow on throw and end events
+    return getParent(parent, 'bpmn:IntermediateThrowEvent') || getParent(parent, 'bpmn:EndEvent')
+  }
+
+  return true
+}
+
+// module.exports = CamundaModdleExtension;
+export default CamundaModdleExtension
+
+// helpers //////////
+
+function is(element, type) {
+  return element && isFunction(element.$instanceOf) && element.$instanceOf(type)
+}
+
+function isAny(element, types) {
+  return some(types, function (t) {
+    return is(element, t)
+  })
+}
+
+function getParent(element, type) {
+  if (!type) {
+    return element.$parent
+  }
+
+  if (is(element, type)) {
+    return element
+  }
+
+  if (!element.$parent) {
+    return
+  }
+
+  return getParent(element.$parent, type)
+}
+
+function isAllowedInParent(property, parent) {
+  // (1) find property descriptor
+  const descriptor = property.$type && property.$model.getTypeDescriptor(property.$type)
+
+  const allowedIn = descriptor && descriptor.meta && descriptor.meta.allowedIn
+
+  if (!allowedIn || isWildcard(allowedIn)) {
+    return true
+  }
+
+  // (2) check wether property has parent of allowed type
+  return some(allowedIn, function (type) {
+    return getParent(parent, type)
+  })
+}
+
+function isWildcard(allowedIn) {
+  return allowedIn.indexOf(WILDCARD) !== -1
+}

src/components/bpmnProcessDesigner/package/designer/plugins/extension-moddle/camunda/index.js

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+'use strict'
+
+import extension from './extension'
+
+export default {
+  __init__: ['camundaModdleExtension'],
+  camundaModdleExtension: ['type', extension]
+}

src/components/bpmnProcessDesigner/package/designer/plugins/extension-moddle/flowable/flowableExtension.js

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+'use strict'
+
+import { some } from 'min-dash'
+
+// const some = some
+// const some = require('min-dash').some
+
+const ALLOWED_TYPES = {
+  FailedJobRetryTimeCycle: [
+    'bpmn:StartEvent',
+    'bpmn:BoundaryEvent',
+    'bpmn:IntermediateCatchEvent',
+    'bpmn:Activity'
+  ],
+  Connector: ['bpmn:EndEvent', 'bpmn:IntermediateThrowEvent'],
+  Field: ['bpmn:EndEvent', 'bpmn:IntermediateThrowEvent']
+}
+
+function is(element, type) {
+  return element && typeof element.$instanceOf === 'function' && element.$instanceOf(type)
+}
+
+function exists(element) {
+  return element && element.length
+}
+
+function includesType(collection, type) {
+  return (
+    exists(collection) &&
+    some(collection, function (element) {
+      return is(element, type)
+    })
+  )
+}
+
+function anyType(element, types) {
+  return some(types, function (type) {
+    return is(element, type)
+  })
+}
+
+function isAllowed(propName, propDescriptor, newElement) {
+  const name = propDescriptor.name,
+    types = ALLOWED_TYPES[name.replace(/flowable:/, '')]
+
+  return name === propName && anyType(newElement, types)
+}
+
+function FlowableModdleExtension(eventBus) {
+  eventBus.on(
+    'property.clone',
+    function (context) {
+      const newElement = context.newElement,
+        propDescriptor = context.propertyDescriptor
+
+      this.canCloneProperty(newElement, propDescriptor)
+    },
+    this
+  )
+}
+
+FlowableModdleExtension.$inject = ['eventBus']
+
+FlowableModdleExtension.prototype.canCloneProperty = function (newElement, propDescriptor) {
+  if (isAllowed('flowable:FailedJobRetryTimeCycle', propDescriptor, newElement)) {
+    return (
+      includesType(newElement.eventDefinitions, 'bpmn:TimerEventDefinition') ||
+      includesType(newElement.eventDefinitions, 'bpmn:SignalEventDefinition') ||
+      is(newElement.loopCharacteristics, 'bpmn:MultiInstanceLoopCharacteristics')
+    )
+  }
+
+  if (isAllowed('flowable:Connector', propDescriptor, newElement)) {
+    return includesType(newElement.eventDefinitions, 'bpmn:MessageEventDefinition')
+  }
+
+  if (isAllowed('flowable:Field', propDescriptor, newElement)) {
+    return includesType(newElement.eventDefinitions, 'bpmn:MessageEventDefinition')
+  }
+}
+
+// module.exports = FlowableModdleExtension;
+export default FlowableModdleExtension

src/components/bpmnProcessDesigner/package/designer/plugins/extension-moddle/flowable/index.js

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+/*
+ * @author igdianov
+ * address https://github.com/igdianov/activiti-bpmn-moddle
+ * */
+import flowableExtension from './flowableExtension'
+
+export default {
+  __init__: ['FlowableModdleExtension'],
+  FlowableModdleExtension: ['type', flowableExtension]
+}