78 lines
2.8 KiB
TypeScript
78 lines
2.8 KiB
TypeScript
const bpmnInstances = () => (window as any)?.bpmnInstances
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// 创建监听器实例
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export function createListenerObject(options, isTask, prefix) {
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const listenerObj = Object.create(null)
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listenerObj.event = options.event
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isTask && (listenerObj.id = options.id) // 任务监听器特有的 id 字段
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switch (options.listenerType) {
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case 'scriptListener':
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listenerObj.script = createScriptObject(options, prefix)
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break
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case 'expressionListener':
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listenerObj.expression = options.expression
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break
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case 'delegateExpressionListener':
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listenerObj.delegateExpression = options.delegateExpression
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break
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default:
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listenerObj.class = options.class
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}
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// 注入字段
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if (options.fields) {
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listenerObj.fields = options.fields.map((field) => {
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return createFieldObject(field, prefix)
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})
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}
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// 任务监听器的 定时器 设置
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if (isTask && options.event === 'timeout' && !!options.eventDefinitionType) {
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const timeDefinition = bpmnInstances().moddle.create('bpmn:FormalExpression', {
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body: options.eventTimeDefinitions
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})
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const TimerEventDefinition = bpmnInstances().moddle.create('bpmn:TimerEventDefinition', {
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id: `TimerEventDefinition_${uuid(8)}`,
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[`time${options.eventDefinitionType.replace(/^\S/, (s) => s.toUpperCase())}`]: timeDefinition
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})
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listenerObj.eventDefinitions = [TimerEventDefinition]
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}
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return bpmnInstances().moddle.create(
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`${prefix}:${isTask ? 'TaskListener' : 'ExecutionListener'}`,
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listenerObj
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)
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}
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// 创建 监听器的注入字段 实例
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export function createFieldObject(option, prefix) {
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const { name, fieldType, string, expression } = option
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const fieldConfig = fieldType === 'string' ? { name, string } : { name, expression }
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return bpmnInstances().moddle.create(`${prefix}:Field`, fieldConfig)
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}
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// 创建脚本实例
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export function createScriptObject(options, prefix) {
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const { scriptType, scriptFormat, value, resource } = options
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const scriptConfig =
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scriptType === 'inlineScript' ? { scriptFormat, value } : { scriptFormat, resource }
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return bpmnInstances().moddle.create(`${prefix}:Script`, scriptConfig)
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}
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// 更新元素扩展属性
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export function updateElementExtensions(element, extensionList) {
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const extensions = bpmnInstances().moddle.create('bpmn:ExtensionElements', {
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values: extensionList
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})
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// 直接使用原始元素对象，不需要toRaw包装
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bpmnInstances().modeling.updateProperties(element, {
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extensionElements: extensions
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})
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}
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// 创建一个id
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export function uuid(length = 8, chars?) {
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let result = ''
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const charsString = chars || '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
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for (let i = length; i > 0; --i) {
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result += charsString[Math.floor(Math.random() * charsString.length)]
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}
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return result
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}
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