<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="100px">
      <el-form-item label="下发对象" prop="deptId">
        <treeselect v-model="queryParams.deptId" :options="deptOptions" :disable-branch-nodes="true" style="width:215px;"
                    placeholder="请选择下发对象"/>
      </el-form-item>
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="级别(县/乡/村)" prop="sort">
        <el-select
          v-model="queryParams.sort"
          placeholder="级别(县/乡/村)"
          clearable
          style="width:100%"
        >
          <el-option
            v-for="dict in dict.type.szxc_leave"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['szxc:news:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['szxc:news:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['szxc:news:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['szxc:news:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="newsList" @selection-change="handleSelectionChange" border>
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="id" />
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="资讯类型" align="center" prop="type" >
        <template slot-scope="scope">
          <dict-tag :options="dict.type.szxc_zx_type" :value="scope.row.type"/>
        </template>
      </el-table-column>
      <el-table-column label="图片" align="center" prop="picture" >
        <template slot-scope="scope">
          <image-preview :src="scope.row.picture" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="内容" align="center" prop="content" />
      <el-table-column label="级别(县/乡/村)" align="center" prop="sort" >
        <template slot-scope="scope">
          <dict-tag :options="dict.type.szxc_leave" :value="scope.row.sort"/>
        </template>
      </el-table-column>
      <el-table-column label="下发对象" align="center" prop="deptName" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['szxc:news:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['szxc:news:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改公告资讯对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="120px">
        <el-form-item label="下发对象" prop="deptId">
          <treeselect v-model="form.deptId" :options="deptOptions" :disable-branch-nodes="true"
                      placeholder="请选择下发对象" style="width:100%;" @select="selectedTree"/>
        </el-form-item>
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="级别(县/乡/村)" prop="sort">
          <el-select
            v-model="form.sort"
            placeholder="级别(县/乡/村)"
            clearable
            style="width:100%"
          >
            <el-option
              v-for="dict in dict.type.szxc_leave"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="资讯类型" prop="type">
          <el-select
            v-model="form.type"
            placeholder="资讯类型"
            clearable
            style="width:100%"
          >
            <el-option
              v-for="dict in dict.type.szxc_zx_type"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="图片" prop="picture">
          <image-upload v-model="form.picture"/>
        </el-form-item>
        <el-form-item label="内容">
          <editor v-model="form.content" :min-height="150"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listNews, getNews, delNews, addNews, updateNews } from "@/api/szxc/news";
import { deptTreeSelect } from "@/api/system/user";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
  name: "News",
  components: { Treeselect },
  dicts: ['szxc_leave', 'szxc_zx_type'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 公告资讯表格数据
      newsList: [],
      // 弹出层标题
      title: "",
      // 组织树选项
      deptOptions: undefined,
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        type: null,
        picture: null,
        content: null,
        sort: null,
        deptId: null,
        deptName: null,
        userId: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        title: [
          { required: true, message: "标题不能为空", trigger: "blur" }
        ],
        deptId: [
          { required: true, message: "部门id不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
    this.getDeptTree();
  },
  methods: {
    /** 查询组织下拉树结构 */
    getDeptTree() {
      deptTreeSelect().then(response => {
        this.deptOptions = response.data;
      });
    },
    selectedTree(node){
      this.form.deptId = node.id;
      this.form.deptName = node.label;
    },
    /** 查询公告资讯列表 */
    getList() {
      this.loading = true;
      listNews(this.queryParams).then(response => {
        this.newsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        type: null,
        picture: null,
        content: null,
        sort: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        deptId: null,
        deptName: null,
        userId: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加公告资讯";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getNews(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改公告资讯";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateNews(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addNews(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除公告资讯编号为"' + ids + '"的数据项？').then(function() {
        return delNews(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('szxc/news/export', {
        ...this.queryParams
      }, `news_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
