update 优化bpmn位置

src/bpmn/hooks/usePanel.ts

@@ -0,0 +1,145 @@
+import showConfig from '../assets/showConfig';
+import { ModdleElement } from 'bpmn';
+import useModelerStore from '@/store/modules/modeler';
+import { MultiInstanceTypeEnum } from '@/enums/bpmn/IndexEnums';
+interface Options {
+  element: ModdleElement;
+}
+
+export default (ops: Options) => {
+  const { element } = ops;
+  const { getModeling, getModdle } = useModelerStore();
+  const modeling = getModeling();
+  const moddle = getModdle();
+
+  /**
+   * 当前节点类型
+   */
+  const elementType = computed(() => {
+    const bizObj = element.businessObject;
+    return bizObj.eventDefinitions ? bizObj.eventDefinitions[0].$type : bizObj.$type;
+  });
+
+  /**
+   * 用于控制面板字段显示与隐藏的配置
+   */
+  const config = computed(() => showConfig[elementType.value] || {});
+
+  /**
+   * 创建一个节点
+   * @param elementType 节点类型
+   * @param properties 属性
+   * @param parent 父节点
+   */
+  const createModdleElement = (elementType: string, properties: any, parent: ModdleElement) => {
+    const element = moddle.create(elementType, properties);
+    parent && (element.$parent = parent);
+    return element;
+  };
+
+  /**
+   * 获取扩展属性，如果不存在会自动创建
+   */
+  const getExtensionElements = (create = true) => {
+    let extensionElements = element.businessObject.get<ModdleElement>('extensionElements');
+    if (!extensionElements && create) {
+      extensionElements = createModdleElement('bpmn:ExtensionElements', { values: [] }, element.businessObject);
+      modeling.updateModdleProperties(element, element.businessObject, { extensionElements });
+    }
+    return extensionElements;
+  };
+
+  /**
+   * 获取extensionElements下的properties
+   * @param extensionElements 可选参数，默认获取当前Element下的extensionElements下的Properties
+   */
+  const getPropertiesElements = (extensionElements?: ModdleElement) => {
+    if (!extensionElements) {
+      extensionElements = getExtensionElements();
+    }
+    let propertiesElements = extensionElements.values.find((item) => item.$type === 'flowable:properties');
+    if (!propertiesElements) {
+      propertiesElements = createModdleElement('flowable:properties', { values: [] }, extensionElements);
+      modeling.updateModdleProperties(element, extensionElements, {
+        values: [...extensionElements.get<[]>('values'), propertiesElements]
+      });
+    }
+    return propertiesElements;
+  };
+
+  /**
+   * 更新节点属性
+   * @param properties 属性值
+   */
+  const updateProperties = (properties: any) => {
+    modeling.updateProperties(element, properties);
+  };
+
+  /**
+   * 更新节点信息
+   * @param updateElement 需要更新的节点
+   * @param properties 属性
+   */
+  const updateModdleProperties = (updateElement, properties: any) => {
+    modeling.updateModdleProperties(element, updateElement, properties);
+  };
+
+  /**
+   * 更新Property属性
+   * @param name key值
+   * @param value 值
+   */
+  const updateProperty = (name: string, value: string) => {
+    const propertiesElements = getPropertiesElements();
+
+    let propertyElements = propertiesElements.values.find((item) => item.name === name);
+    if (!propertyElements) {
+      propertyElements = createModdleElement('flowable:property', { name: name, value: value }, propertiesElements);
+      modeling.updateModdleProperties(element, propertiesElements, {
+        values: [...propertiesElements.get('values'), propertyElements]
+      });
+    } else {
+      propertyElements.name = name;
+      propertyElements.value = value;
+    }
+    return propertyElements;
+  };
+
+  const idChange = (newVal: string) => {
+    if (newVal) {
+      updateProperties({ id: newVal });
+    }
+  };
+  const nameChange = (newVal: string) => {
+    if (newVal) {
+      updateProperties({ name: newVal });
+    }
+  };
+  const formKeyChange = (newVal: string) => {
+    updateProperties({ formKey: newVal });
+  };
+  const constant = {
+    MultiInstanceType: [
+      { id: '373d4b81-a0d1-4eb8-8685-0d2fb1b468e2', label: '无', value: MultiInstanceTypeEnum.NONE },
+      { id: 'b5acea7c-b7e5-46b0-8778-390db091bdab', label: '串行', value: MultiInstanceTypeEnum.SERIAL },
+      { id: 'b4f0c683-1ccc-43c4-8380-e1b998986caf', label: '并行', value: MultiInstanceTypeEnum.PARALLEL }
+    ]
+  };
+
+  return {
+    elementType,
+    constant,
+    showConfig: config,
+
+    updateProperties,
+    updateProperty,
+    updateModdleProperties,
+
+    createModdleElement,
+    idChange,
+    nameChange,
+    formKeyChange,
+    getExtensionElements,
+    getPropertiesElements
+  };
+};