
<template>
  <div class="app-container">
    <!-- 添加或修改流程定义对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" v-if="open" append-to-body>
      <el-tabs type="border-card" class="Tabs" v-model="tabsValue">
        <el-tab-pane label="基础设置" name="1"></el-tab-pane>
        <el-tab-pane label="监听器" name="2"></el-tab-pane>
      </el-tabs>
      <el-form ref="form" :model="form" class="dialogForm" :rules="rules" label-width="110px" :disabled="disabled">
        <div v-show="tabsValue === '1'">
          <el-form-item label="流程编码" prop="flowCode">
            <el-input v-model="form.flowCode" placeholder="请输入流程编码" maxlength="40" show-word-limit/>
          </el-form-item>
          <el-form-item label="流程名称" prop="flowName">
            <el-input v-model="form.flowName" placeholder="请输入流程名称" maxlength="100" show-word-limit/>
          </el-form-item>
          <el-form-item label="流程类别" prop="category">
            <el-input v-model="form.category" placeholder="请输入流程类别" maxlength="20" show-word-limit/>
          </el-form-item>
          <el-form-item label="是否发布" prop="isPublish" v-if="disabled">
            <el-select v-model="form.isPublish" placeholder="请选择是否开启流程">
              <el-option
                v-for="dict in dict.type.is_publish"
                :key="dict.value"
                :label="dict.label"
                :value="parseInt(dict.value)"
              ></el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="审批表单路径" prop="formPath">
            <el-input v-model="form.formPath" placeholder="请输入审批表单路径" maxlength="100" show-word-limit/>
          </el-form-item>
        </div>
        <div v-show="tabsValue === '2'">
          <el-form-item prop="listenerRows" class="listenerItem">
            <el-table :data="form.listenerRows" style="width: 100%">
            <el-table-column prop="listenerType" width="150" label="类型">
                <template slot-scope="scope">
                  <el-form-item :prop="'listenerRows.' + scope.$index + '.listenerType'" :rules="rules.listenerType">
                    <el-select v-model="scope.row.listenerType" placeholder="请选择类型">
                      <el-option label="开始" value="start"></el-option>
                      <el-option label="分派" value="assignment"></el-option>
                      <el-option label="完成" value="finish"></el-option>
                      <el-option label="创建" value="create"></el-option>
                    </el-select>
                  </el-form-item>
                </template>
              </el-table-column>
              <el-table-column prop="listenerPath" label="路径">
                <template slot-scope="scope">
                  <el-form-item :prop="'listenerRows.' + scope.$index + '.listenerPath'" :rules="rules.listenerPath">
                    <el-input v-model="scope.row.listenerPath" placeholder="请输入路径"></el-input>
                  </el-form-item>
                </template>
              </el-table-column>
              <el-table-column label="操作" width="65" v-if="!disabled">
                <template slot-scope="scope">
                  <el-button size="mini" type="danger" icon="el-icon-delete" @click="handleDeleteRow(scope.$index)"/>
                </template>
              </el-table-column>
            </el-table>
            <el-button v-if="!disabled" style="margin-top: 10px;" type="primary" @click="handleAddRow">增加行</el-button>
          </el-form-item>
        </div>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" v-if="!disabled" @click="submitForm">确 定</el-button>
        <el-button @click="cancel" v-if="!disabled">取 消</el-button>
        <el-button @click="cancel" v-if="disabled">关 闭</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { getDefinition, addDefinition, updateDefinition } from "@/api/flow/definition";

export default {
  name: "Dialog",
  dicts: ['sys_yes_no', 'is_publish'],
  data() {
    return {
      // 是否禁用表单
      disabled: false,
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      tabsValue: "1",
      // 表单参数
      form: {
        listenerRows: [] // 新增的表格数据
      },
      // 表单校验
      rules: {
        flowCode: [
          { required: true, message: "流程编码不能为空", trigger: "blur" }
        ],
        flowName: [
          { required: true, message: "流程名称不能为空", trigger: "blur" }
        ],
        isPublish: [
          { required: true, message: "是否开启流程不能为空", trigger: "change" }
        ],
        formCustom: [
          { required: true, message: "请选择审批表单是否自定义", trigger: "change" }
        ],
        listenerType: [{ required: true, message: '监听器不能为空', trigger: ['change', 'blur'] }],
        listenerPath: [{ required: true, message: '监听器不能为空', trigger: ['change', 'blur'] }]
      }
    };
  },
  methods: {
    /** 打开流程定义弹框 */
    async show(id, disabled) {
      this.reset();
      this.disabled = disabled
      if (id) {
        await getDefinition(id).then(response => {
          this.form = response.data;
          if (this.form.listenerType) {
            const listenerTypes = this.form.listenerType.split(",");
            const listenerPaths = this.form.listenerPath.split("@@");
            this.form.listenerRows = listenerTypes.map((type, index) => ({
              listenerType: type,
              listenerPath: listenerPaths[index]
            }));
          } else {
            this.form.listenerRows = [];
          }
        });
      }
      this.open = true
      if (this.disabled) {
        this.title = "详情"
      } else if (id) {
        this.title = "修改"
      } else {
        this.title = "新增"
      }
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        flowCode: null,
        flowName: null,
        version: null,
        isPublish: null,
        formCustom: null,
        formPath: null,
        createTime: null,
        updateTime: null,
        delFlag: null,
        listenerRows: [] // 初始化表格数据
      };
      this.resetForm("form");
      this.tabsValue = "1";
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid, err) => {
        if (valid) {
          this.form.listenerType = this.form.listenerRows.map(row => row.listenerType).join(",")
          this.form.listenerPath = this.form.listenerRows.map(row => row.listenerPath).join("@@")
          if (this.form.id != null) {
            updateDefinition(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.$emit('refresh');
            });
          } else {
            addDefinition(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.$emit('refresh');
            });
          }
        } else {
          let errItems = Object.keys(err);
          if (errItems.length > 0) {
            this.tabsValue = "1";
            if (errItems.every(e => e.includes("listenerRows"))) this.tabsValue = "2";
          }
        }
      });
    },
    // 增加行
    handleAddRow() {
      this.form.listenerRows.push({ listenerType: '', listenerPath: '' });
      this.$refs.form.clearValidate("listenerRows");
    },
    // 删除行
    handleDeleteRow(index) {
      this.form.listenerRows.splice(index, 1);
    }
  }
};
</script>

<style scoped lang="scss">
::v-deep.Tabs {
  margin-top: -20px;
  box-shadow: none;
  border-bottom: 0;
  .el-tabs__content {
    display: none;
  }
  .el-tabs__item.is-active {
    margin-left: 0;
    border-top: 1px solid var(--el-border-color);
    margin-top: 0;
  }
}
.dialogForm {
  border: 1px solid #e4e7ed;
  border-top: 0;
  padding: 15px;
}
::v-deep.listenerItem {
  .el-form-item__label {
    float: none;
    display: inline-block;
    text-align: left;
  }
  .el-form-item__content {
    margin-left: 0 !important;
  }
}
</style>
