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openhis-ui/src/components/Process/common/bpmnUtils.js

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+import { NodeName } from '../lang/zh'
+
+// 创建监听器实例
+export function createListenerObject(moddle, options, isTask, prefix) {
+  const listenerObj = Object.create(null);
+  listenerObj.event = options.event;
+  isTask && (listenerObj.id = options.id); // 任务监听器特有的 id 字段
+  switch (options.listenerType) {
+    case "scriptListener":
+      listenerObj.script = createScriptObject(moddle, options, prefix);
+      break;
+    case "expressionListener":
+      listenerObj.expression = options.expression;
+      break;
+    case "delegateExpressionListener":
+      listenerObj.delegateExpression = options.delegateExpression;
+      break;
+    default:
+      listenerObj.class = options.class;
+  }
+  // 注入字段
+  if (options.fields) {
+    listenerObj.fields = options.fields.map(field => {
+      return createFieldObject(moddle, field, prefix);
+    });
+  }
+  // 任务监听器的 定时器 设置
+  if (isTask && options.event === "timeout" && !!options.eventDefinitionType) {
+    const timeDefinition = moddle.create("bpmn:FormalExpression", {
+      body: options.eventTimeDefinitions
+    });
+    const TimerEventDefinition = moddle.create("bpmn:TimerEventDefinition", {
+      id: `TimerEventDefinition_${uuid(8)}`,
+      [`time${options.eventDefinitionType.replace(/^\S/, s => s.toUpperCase())}`]: timeDefinition
+    });
+    listenerObj.eventDefinitions = [TimerEventDefinition];
+  }
+  return moddle.create(`${prefix}:${isTask ? "TaskListener" : "ExecutionListener"}`, listenerObj);
+}
+
+// 处理内置流程监听器
+export function createSystemListenerObject(moddle, options, isTask, prefix) {
+  const listenerObj = Object.create(null);
+  listenerObj.event = options.eventType;
+  listenerObj.listenerType = options.valueType;
+  switch (options.valueType) {
+    case "scriptListener":
+      listenerObj.script = createScriptObject(moddle, options, prefix);
+      break;
+    case "expressionListener":
+      listenerObj.expression = options.expression;
+      break;
+    case "delegateExpressionListener":
+      listenerObj.delegateExpression = options.delegateExpression;
+      break;
+    default:
+      listenerObj.class = options.value;
+  }
+  return moddle.create(`${prefix}:${isTask ? "TaskListener" : "ExecutionListener"}`, listenerObj);
+}
+
+// 转换成字段
+export function changeListenerObject(options) {
+  const listenerObj = Object.create(null);
+  listenerObj.event = options.eventType;
+  listenerObj.listenerType = options.valueType;
+  switch (options.valueType) {
+    case "scriptListener":
+      // listenerObj.script = createScriptObject(moddle, options, prefix);
+      break;
+    case "expressionListener":
+      listenerObj.expression = options.expression;
+      break;
+    case "delegateExpressionListener":
+      listenerObj.delegateExpression = options.delegateExpression;
+      break;
+    default:
+      listenerObj.class = options.value;
+  }
+  return listenerObj;
+}
+
+// 创建 监听器的注入字段 实例
+export function createFieldObject(moddle, option, prefix) {
+  const { name, fieldType, string, expression } = option;
+  const fieldConfig = fieldType === "string" ? { name, string } : { name, expression };
+  return moddle.create(`${prefix}:Field`, fieldConfig);
+}
+
+// 创建脚本实例
+export function createScriptObject(moddle, options, prefix) {
+  const { scriptType, scriptFormat, value, resource } = options;
+  const scriptConfig = scriptType === "inlineScript" ? { scriptFormat, value } : { scriptFormat, resource };
+  return moddle.create(`${prefix}:Script`, scriptConfig);
+}
+
+// 更新元素扩展属性
+export function updateElementExtensions(moddle, modeling, element, extensionList) {
+  const extensions = moddle.create("bpmn:ExtensionElements", {
+    values: extensionList
+  });
+  modeling.updateProperties(element, {
+    extensionElements: extensions
+  });
+}
+
+// 创建一个id
+export function uuid(length = 8, chars) {
+  let result = "";
+  let charsString = chars || "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+  for (let i = length; i > 0; --i) {
+    result += charsString[Math.floor(Math.random() * charsString.length)];
+  }
+  return result;
+}
+
+// 转换流程节点名称
+export function translateNodeName(node){
+  return NodeName[node];
+}