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<template>
  <div>
    <div class="tree_data_box">
      <el-form
        ref="form"
        size="mini"
        label-width="80px"
        :model="newRowData"
        :rules="rules"
      >
        <el-form-item label="名称" prop="name">
          <el-input v-model.trim="newRowData.name" :maxLength="20" clearable />
        </el-form-item>
        <el-form-item label="标签" prop="id">
          <el-input v-model.trim="newRowData.id" clearable />
        </el-form-item>
        <el-form-item label="起始状态" prop="startStatus">
          <el-select
            v-model="newRowData.startStatus"
            placeholder="请选择起始状态"
            style="width: 100%"
          >
            <el-option
              v-for="item in existNodes"
              :key="item.id"
              :label="item.id"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="描述">
          <el-input v-model.trim="newRowData.remark" type="textarea"></el-input>
        </el-form-item>
      </el-form>
    </div>
    <detail-panel>
      <template v-slot="{ status }">
        <node-panel :status="status">
          <detail-form type="node" />
        </node-panel>
        <edge-panel :status="status">
          <detail-form type="edge" />
        </edge-panel>
        <group-panel :status="status">
          <detail-form type="group" />
        </group-panel>
        <multi-panel :status="status" />
        <canvas-panel :status="status" />
      </template>
    </detail-panel>
  </div>
</template>
 
<script>
import {
  NodePanel,
  EdgePanel,
  GroupPanel,
  MultiPanel,
  CanvasPanel,
  DetailPanel,
} from "vue-flowchart-editor";
import DetailForm from "./DetailForm";
 
export default {
  name: "EditorDetailPanel",
  components: {
    NodePanel,
    EdgePanel,
    GroupPanel,
    MultiPanel,
    CanvasPanel,
    DetailPanel,
    DetailForm,
  },
  props: ["rowData", "existNodes"],
  data() {
    return {
      newRowData: {
        startStatus: undefined,
        name: undefined,
        id: undefined,
        remark: undefined
      },
      rules: {
        name: [{ required: true, message: "名称不能为空", trigger: "blur" }],
        id: [
          { required: true, message: "标签不能为空", trigger: "blur" },
          { pattern: /^[A-z]+$/g, message: "标签只能输入英文", trigger: "blur" }
        ],
        startStatus: [
          { required: true, message: "起始状态不能为空", trigger: "change" },
        ],
      },
    };
  },
  methods: {
    getNewRowDate() {
      return new Promise((resolve) => {
        this.$refs.form.validate((flag) => {
          if (!flag) {
            resolve(false);
          } else {
            resolve(this.newRowData);
          }
        });
      });
    },
  },
  watch: {
    rowData: {
      deep: true,
      immediate: true,
      handler(newV) {
        if (
          typeof newV === "object" &&
          newV !== null &&
          Object.keys(this.rowData).length > 0
        ) {
          this.newRowData = Object.assign({}, newV);
        }
      },
    },
    existNodes(newV) {
      const flag = newV.some((item) => item.id === this.newRowData.startStatus);
      if (!flag) {
        this.newRowData.startStatus = undefined;
      }
    },
  },
};
</script>