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