ruoyi-nbcio-plus基于vue3的flowable扩展属性的升级修改

<template>
  <div class="panel-tab__content">
    <el-table :data="elementPropertyList" size="small" max-height="240" border fit>
      <el-table-column label="序号" width="50px" type="index" />
      <el-table-column label="属性名" prop="name" min-width="100px" show-overflow-tooltip />
      <el-table-column label="属性值" prop="value" min-width="100px" show-overflow-tooltip />
      <el-table-column label="操作" width="90px">
        <template v-slot="{ row, $index }">
          <el-button link type="" @click="openAttributesForm(row, $index)">编辑</el-button>
          <el-divider direction="vertical" />
          <el-button link type="" style="color: #ff4d4f" @click="removeAttributes(row, $index)">移除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <div class="element-drawer__button">
      <el-button size="small" type="primary" :icon="Plus" @click="openAttributesForm(null, -1)">添加属性</el-button>
    </div>
    <el-dialog v-model="propertyFormModelVisible" title="属性配置" width="600px" append-to-body destroy-on-close>
      <el-form :model="propertyForm" label-width="80px" size="small" ref="attributeFormRef" @submit.prevent>
        <el-form-item label="属性名：" prop="name">
          <el-input v-model="propertyForm.name" clearable />
        </el-form-item>
        <el-form-item label="属性值：" prop="value">
          <el-input v-model="propertyForm.value" clearable />
        </el-form-item>
      </el-form>
      <template v-slot:footer>
        <el-button size="small" @click="propertyFormModelVisible = false">取 消</el-button>
        <el-button size="small" type="primary" @click="saveAttribute">确 定</el-button>
      </template>
    </el-dialog>
  </div>
</template>
<script>
import { Plus } from '@element-plus/icons-vue'
export default {
  name: "ElementProperties",
  setup() {
    return {
      Plus
    }
  },
  props: {
    id: String,
    type: String
  },
  inject: {
    prefix: "prefix",
    width: "width"
  },
  data() {
    return {
      elementPropertyList: [],
      propertyForm: {},
      editingPropertyIndex: -1,
      propertyFormModelVisible: false
    };
  },
  watch: {
    id: {
      immediate: true,
      handler(val) {
        val && val.length && this.resetAttributesList();
      }
    }
  },
  methods: {
    resetAttributesList() {
      this.bpmnElement = window.bpmnInstances.bpmnElement;
      this.otherExtensionList = []; // 其他扩展配置
      this.bpmnElementProperties =
        this.bpmnElement.businessObject?.extensionElements?.values?.filter(ex => {
          if (ex.$type !== `${this.prefix}:Properties`) {
            this.otherExtensionList.push(ex);
          }
          return ex.$type === `${this.prefix}:Properties`;
        }) ?? [];
      // 保存所有的 扩展属性字段
      this.bpmnElementPropertyList = this.bpmnElementProperties.reduce((pre, current) => pre.concat(current.values), []);
      // 复制 显示
      this.elementPropertyList = JSON.parse(JSON.stringify(this.bpmnElementPropertyList ?? []));
    },
    openAttributesForm(attr, index) {
      this.editingPropertyIndex = index;
      this.propertyForm = index === -1 ? {} : JSON.parse(JSON.stringify(attr));
      this.propertyFormModelVisible = true;
      this.$nextTick(() => {
        if (this.$refs["attributeFormRef"]) this.$refs["attributeFormRef"].clearValidate();
      });
    },
    removeAttributes(attr, index) {
      this.$confirm("确认移除该属性吗？", "提示", {
        confirmButtonText: "确 认",
        cancelButtonText: "取 消"
      })
        .then(() => {
          this.elementPropertyList.splice(index, 1);
          this.bpmnElementPropertyList.splice(index, 1);
          // 新建一个属性字段的保存列表
          const propertiesObject = window.bpmnInstances.moddle.create(`${this.prefix}:Properties`, {
            values: this.bpmnElementPropertyList
          });
          this.updateElementExtensions(propertiesObject);
          this.resetAttributesList();
        })
        .catch(() => console.info("操作取消"));
    },
    saveAttribute() {
      const { name, value } = this.propertyForm;
      console.log(this.bpmnElementPropertyList);
      if (this.editingPropertyIndex !== -1) {
        window.bpmnInstances.modeling.updateModdleProperties(this.bpmnElement, this.bpmnElementPropertyList[this.editingPropertyIndex], {
          name,
          value
        });
      } else {
        // 新建属性字段
        const newPropertyObject = window.bpmnInstances.moddle.create(`${this.prefix}:Property`, { name, value });
        // 新建一个属性字段的保存列表
        const propertiesObject = window.bpmnInstances.moddle.create(`${this.prefix}:Properties`, {
          values: this.bpmnElementPropertyList.concat([newPropertyObject])
        });
        this.updateElementExtensions(propertiesObject);
      }
      this.propertyFormModelVisible = false;
      this.resetAttributesList();
    },
    updateElementExtensions(properties) {
      const extensions = window.bpmnInstances.moddle.create("bpmn:ExtensionElements", {
        values: this.otherExtensionList.concat([properties])
      });
      window.bpmnInstances.modeling.updateProperties(this.bpmnElement, {
        extensionElements: extensions
      });
    }
  }
};
</script>

<template>
  <div class="panel-tab__content">
    <el-table :data="elementPropertyList" size="small" max-height="240" border fit>
      <el-table-column label="序号" width="50px" type="index" />
      <el-table-column label="属性名" prop="name" min-width="100px" show-overflow-tooltip />
      <el-table-column label="属性值" prop="value" min-width="100px" show-overflow-tooltip />
      <el-table-column label="操作" width="90px">
        <template v-slot="{ row, $index }">
          <el-button link type="" @click="openAttributesForm(row, $index)">编辑</el-button>
          <el-divider direction="vertical" />
          <el-button link type="" style="color: #ff4d4f" @click="removeAttributes(row, $index)">移除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <div class="element-drawer__button">
      <el-button size="small" type="primary" :icon="Plus" @click="openAttributesForm(null, -1)">添加属性</el-button>
    </div>
    <el-dialog v-model="propertyFormModelVisible" title="属性配置" width="600px" append-to-body destroy-on-close>
      <el-form :model="propertyForm" label-width="80px" size="small" ref="attributeFormRef" @submit.prevent>
        <el-form-item label="属性名：" prop="name">
          <el-input v-model="propertyForm.name" clearable />
        </el-form-item>
        <el-form-item label="属性值：" prop="value">
          <el-input v-model="propertyForm.value" clearable />
        </el-form-item>
      </el-form>
      <template v-slot:footer>
        <el-button size="small" @click="propertyFormModelVisible = false">取 消</el-button>
        <el-button size="small" type="primary" @click="saveAttribute">确 定</el-button>
      </template>
    </el-dialog>
  </div>
</template>
<script lang="ts" setup>
  import { ElMessageBox } from 'element-plus'
  import { Plus } from '@element-plus/icons-vue'
  defineOptions({ name: 'ElementProperties' })
  const props = defineProps({
    id: String,
    type: String
  })
  const prefix = inject('prefix')
  // const width = inject('width')
  const elementPropertyList = ref<any[]>([])
  const propertyForm = ref<any>({})
  const editingPropertyIndex = ref(-1)
  const propertyFormModelVisible = ref(false)
  const bpmnElement = ref()
  const otherExtensionList = ref()
  const bpmnElementProperties = ref()
  const bpmnElementPropertyList = ref()
  const attributeFormRef = ref()
  const bpmnInstances = () => (window as any)?.bpmnInstances
  watch(
    () => props.id,
    (val) => {
      if (val) {
        val && val.length && resetAttributesList()
      }
    },
    { immediate: true }
  )
  const resetAttributesList = () => {
    bpmnElement.value = bpmnInstances().bpmnElement
    otherExtensionList.value = [] // 其他扩展配置
    bpmnElementProperties.value =
      bpmnElement.value.businessObject?.extensionElements?.values?.filter((ex) => {
        if (ex.$type !== `${prefix}:Properties`) {
          otherExtensionList.value.push(ex)
        }
        return ex.$type === `${prefix}:Properties`
      }) ?? []
    // 保存所有的 扩展属性字段
    bpmnElementPropertyList.value = bpmnElementProperties.value.reduce(
      (pre, current) => pre.concat(current.values),
      []
    )
    // 复制 显示
    elementPropertyList.value = JSON.parse(JSON.stringify(bpmnElementPropertyList.value ?? []))
  }
  const openAttributesForm = (attr, index) => {
    editingPropertyIndex.value = index
    propertyForm.value = index === -1 ? {} : JSON.parse(JSON.stringify(attr))
    propertyFormModelVisible.value = true
    nextTick(() => {
      if (attributeFormRef.value) attributeFormRef.value.clearValidate()
    })
  }
  const removeAttributes = (attr, index) => {
    console.log(attr, 'attr')
    ElMessageBox.confirm('确认移除该属性吗？', '提示', {
      confirmButtonText: '确 认',
      cancelButtonText: '取 消'
    })
      .then(() => {
        elementPropertyList.value.splice(index, 1)
        bpmnElementPropertyList.value.splice(index, 1)
        // 新建一个属性字段的保存列表
        const propertiesObject = bpmnInstances().moddle.create(`${prefix}:Properties`, {
          values: bpmnElementPropertyList.value
        })
        updateElementExtensions(propertiesObject)
        resetAttributesList()
      })
      .catch(() => console.info('操作取消'))
  }
  const saveAttribute = () => {
    const { name, value } = propertyForm.value
    if (editingPropertyIndex.value !== -1) {
      bpmnInstances().modeling.updateModdleProperties(
        toRaw(bpmnElement.value),
        toRaw(bpmnElementPropertyList.value)[toRaw(editingPropertyIndex.value)],
        {
          name,
          value
        }
      )
    } else {
      // 新建属性字段
      const newPropertyObject = bpmnInstances().moddle.create(`${prefix}:Property`, {
        name,
        value
      })
      // 新建一个属性字段的保存列表
      const propertiesObject = bpmnInstances().moddle.create(`${prefix}:Properties`, {
        values: bpmnElementPropertyList.value.concat([newPropertyObject])
      })
      updateElementExtensions(propertiesObject)
    }
    propertyFormModelVisible.value = false
    resetAttributesList()
  }
  const updateElementExtensions = (properties) => {
    const extensions = bpmnInstances().moddle.create('bpmn:ExtensionElements', {
      values: otherExtensionList.value.concat([properties])
    })
    bpmnInstances().modeling.updateProperties(toRaw(bpmnElement.value), {
      extensionElements: extensions
    })
  }
</script>