初始化项目，自 v1.7.1 版本开始
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YunaiV
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import { assign, forEach, isArray } from 'min-dash'
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import { is } from 'bpmn-js/lib/util/ModelUtil'
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import { isExpanded, isEventSubProcess } from 'bpmn-js/lib/util/DiUtil'
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import { isAny } from 'bpmn-js/lib/features/modeling/util/ModelingUtil'
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import { getChildLanes } from 'bpmn-js/lib/features/modeling/util/LaneUtil'
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import { hasPrimaryModifier } from 'diagram-js/lib/util/Mouse'
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/**
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* A provider for BPMN 2.0 elements context pad
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*/
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export default function ContextPadProvider(
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config,
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injector,
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eventBus,
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contextPad,
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modeling,
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elementFactory,
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connect,
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create,
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popupMenu,
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canvas,
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rules,
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translate
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) {
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config = config || {}
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contextPad.registerProvider(this)
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this._contextPad = contextPad
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this._modeling = modeling
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this._elementFactory = elementFactory
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this._connect = connect
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this._create = create
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this._popupMenu = popupMenu
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this._canvas = canvas
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this._rules = rules
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this._translate = translate
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if (config.autoPlace !== false) {
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this._autoPlace = injector.get('autoPlace', false)
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}
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eventBus.on('create.end', 250, function (event) {
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const context = event.context,
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shape = context.shape
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if (!hasPrimaryModifier(event) || !contextPad.isOpen(shape)) {
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return
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}
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const entries = contextPad.getEntries(shape)
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if (entries.replace) {
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entries.replace.action.click(event, shape)
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}
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})
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}
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ContextPadProvider.$inject = [
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'config.contextPad',
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'injector',
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'eventBus',
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'contextPad',
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'modeling',
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'elementFactory',
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'connect',
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'create',
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'popupMenu',
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'canvas',
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'rules',
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'translate',
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'elementRegistry'
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]
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ContextPadProvider.prototype.getContextPadEntries = function (element) {
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const contextPad = this._contextPad,
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modeling = this._modeling,
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elementFactory = this._elementFactory,
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connect = this._connect,
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create = this._create,
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popupMenu = this._popupMenu,
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canvas = this._canvas,
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rules = this._rules,
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autoPlace = this._autoPlace,
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translate = this._translate
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const actions = {}
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if (element.type === 'label') {
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return actions
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}
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const businessObject = element.businessObject
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function startConnect(event, element) {
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connect.start(event, element)
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}
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function removeElement() {
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modeling.removeElements([element])
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}
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function getReplaceMenuPosition(element) {
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const Y_OFFSET = 5
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const diagramContainer = canvas.getContainer(),
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pad = contextPad.getPad(element).html
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const diagramRect = diagramContainer.getBoundingClientRect(),
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padRect = pad.getBoundingClientRect()
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const top = padRect.top - diagramRect.top
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const left = padRect.left - diagramRect.left
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const pos = {
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x: left,
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y: top + padRect.height + Y_OFFSET
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}
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return pos
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}
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/**
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* Create an append action
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*
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* @param {string} type
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* @param {string} className
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* @param {string} [title]
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* @param {Object} [options]
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*
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* @return {Object} descriptor
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*/
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function appendAction(type, className, title, options) {
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if (typeof title !== 'string') {
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options = title
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title = translate('Append {type}', { type: type.replace(/^bpmn:/, '') })
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}
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function appendStart(event, element) {
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const shape = elementFactory.createShape(assign({ type: type }, options))
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create.start(event, shape, {
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source: element
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})
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}
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const append = autoPlace
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? function (event, element) {
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const shape = elementFactory.createShape(assign({ type: type }, options))
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autoPlace.append(element, shape)
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}
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: appendStart
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return {
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group: 'model',
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className: className,
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title: title,
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action: {
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dragstart: appendStart,
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click: append
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}
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}
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}
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function splitLaneHandler(count) {
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return function (event, element) {
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// actual split
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modeling.splitLane(element, count)
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// refresh context pad after split to
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// get rid of split icons
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contextPad.open(element, true)
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}
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}
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if (isAny(businessObject, ['bpmn:Lane', 'bpmn:Participant']) && isExpanded(businessObject)) {
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const childLanes = getChildLanes(element)
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assign(actions, {
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'lane-insert-above': {
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group: 'lane-insert-above',
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className: 'bpmn-icon-lane-insert-above',
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title: translate('Add Lane above'),
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action: {
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click: function (event, element) {
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modeling.addLane(element, 'top')
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}
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}
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}
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})
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if (childLanes.length < 2) {
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if (element.height >= 120) {
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assign(actions, {
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'lane-divide-two': {
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group: 'lane-divide',
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className: 'bpmn-icon-lane-divide-two',
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title: translate('Divide into two Lanes'),
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action: {
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click: splitLaneHandler(2)
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}
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}
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})
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}
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if (element.height >= 180) {
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assign(actions, {
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'lane-divide-three': {
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group: 'lane-divide',
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className: 'bpmn-icon-lane-divide-three',
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title: translate('Divide into three Lanes'),
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action: {
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click: splitLaneHandler(3)
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}
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}
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})
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}
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}
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assign(actions, {
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'lane-insert-below': {
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group: 'lane-insert-below',
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className: 'bpmn-icon-lane-insert-below',
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title: translate('Add Lane below'),
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action: {
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click: function (event, element) {
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modeling.addLane(element, 'bottom')
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}
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}
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}
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})
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}
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if (is(businessObject, 'bpmn:FlowNode')) {
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if (is(businessObject, 'bpmn:EventBasedGateway')) {
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assign(actions, {
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'append.receive-task': appendAction(
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'bpmn:ReceiveTask',
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'bpmn-icon-receive-task',
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translate('Append ReceiveTask')
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),
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'append.message-intermediate-event': appendAction(
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'bpmn:IntermediateCatchEvent',
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'bpmn-icon-intermediate-event-catch-message',
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translate('Append MessageIntermediateCatchEvent'),
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{ eventDefinitionType: 'bpmn:MessageEventDefinition' }
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),
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'append.timer-intermediate-event': appendAction(
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'bpmn:IntermediateCatchEvent',
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'bpmn-icon-intermediate-event-catch-timer',
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translate('Append TimerIntermediateCatchEvent'),
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{ eventDefinitionType: 'bpmn:TimerEventDefinition' }
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),
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'append.condition-intermediate-event': appendAction(
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'bpmn:IntermediateCatchEvent',
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'bpmn-icon-intermediate-event-catch-condition',
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translate('Append ConditionIntermediateCatchEvent'),
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{ eventDefinitionType: 'bpmn:ConditionalEventDefinition' }
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),
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'append.signal-intermediate-event': appendAction(
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'bpmn:IntermediateCatchEvent',
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'bpmn-icon-intermediate-event-catch-signal',
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translate('Append SignalIntermediateCatchEvent'),
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{ eventDefinitionType: 'bpmn:SignalEventDefinition' }
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)
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})
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} else if (
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isEventType(businessObject, 'bpmn:BoundaryEvent', 'bpmn:CompensateEventDefinition')
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) {
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assign(actions, {
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'append.compensation-activity': appendAction(
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'bpmn:Task',
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'bpmn-icon-task',
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translate('Append compensation activity'),
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{
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isForCompensation: true
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}
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)
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})
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} else if (
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!is(businessObject, 'bpmn:EndEvent') &&
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!businessObject.isForCompensation &&
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!isEventType(businessObject, 'bpmn:IntermediateThrowEvent', 'bpmn:LinkEventDefinition') &&
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!isEventSubProcess(businessObject)
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) {
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assign(actions, {
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'append.end-event': appendAction(
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'bpmn:EndEvent',
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'bpmn-icon-end-event-none',
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translate('Append EndEvent')
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),
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'append.gateway': appendAction(
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'bpmn:ExclusiveGateway',
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'bpmn-icon-gateway-none',
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translate('Append Gateway')
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),
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'append.append-task': appendAction(
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'bpmn:UserTask',
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'bpmn-icon-user-task',
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translate('Append Task')
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),
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'append.intermediate-event': appendAction(
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'bpmn:IntermediateThrowEvent',
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'bpmn-icon-intermediate-event-none',
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translate('Append Intermediate/Boundary Event')
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)
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})
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}
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}
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if (!popupMenu.isEmpty(element, 'bpmn-replace')) {
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// Replace menu entry
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assign(actions, {
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replace: {
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group: 'edit',
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className: 'bpmn-icon-screw-wrench',
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title: '修改类型',
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action: {
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click: function (event, element) {
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const position = assign(getReplaceMenuPosition(element), {
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cursor: { x: event.x, y: event.y }
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})
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popupMenu.open(element, 'bpmn-replace', position)
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}
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}
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}
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})
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}
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if (
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isAny(businessObject, [
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'bpmn:FlowNode',
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'bpmn:InteractionNode',
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'bpmn:DataObjectReference',
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'bpmn:DataStoreReference'
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])
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) {
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assign(actions, {
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'append.text-annotation': appendAction('bpmn:TextAnnotation', 'bpmn-icon-text-annotation'),
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connect: {
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group: 'connect',
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className: 'bpmn-icon-connection-multi',
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title: translate(
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'Connect using ' +
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(businessObject.isForCompensation ? '' : 'Sequence/MessageFlow or ') +
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'Association'
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),
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action: {
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click: startConnect,
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dragstart: startConnect
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}
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}
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})
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}
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if (isAny(businessObject, ['bpmn:DataObjectReference', 'bpmn:DataStoreReference'])) {
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assign(actions, {
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connect: {
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group: 'connect',
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className: 'bpmn-icon-connection-multi',
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title: translate('Connect using DataInputAssociation'),
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action: {
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click: startConnect,
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dragstart: startConnect
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}
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}
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})
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}
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if (is(businessObject, 'bpmn:Group')) {
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assign(actions, {
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'append.text-annotation': appendAction('bpmn:TextAnnotation', 'bpmn-icon-text-annotation')
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})
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}
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// delete element entry, only show if allowed by rules
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let deleteAllowed = rules.allowed('elements.delete', { elements: [element] })
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if (isArray(deleteAllowed)) {
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// was the element returned as a deletion candidate?
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deleteAllowed = deleteAllowed[0] === element
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}
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if (deleteAllowed) {
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assign(actions, {
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delete: {
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group: 'edit',
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className: 'bpmn-icon-trash',
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title: translate('Remove'),
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action: {
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click: removeElement
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}
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}
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})
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}
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return actions
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}
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// helpers /////////
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function isEventType(eventBo, type, definition) {
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const isType = eventBo.$instanceOf(type)
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let isDefinition = false
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const definitions = eventBo.eventDefinitions || []
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forEach(definitions, function (def) {
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if (def.$type === definition) {
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isDefinition = true
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}
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})
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return isType && isDefinition
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}
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