<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </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="['system:article: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="['system:article: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="['system:article: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="['system:article:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="articleList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="文章id" align="center" prop="articleId" width="100"/>
      <el-table-column label="分类" align="center" key="classifyName" prop="classify.classifyName" :show-overflow-tooltip="true" />
<!--      <el-table-column label="分类" align="center" prop="classifyName">-->
<!--        <template slot-scope="scope">-->
<!--          <dict-tag :options="dict.type.article_classify" :value="scope.row.classify"/>-->
<!--        </template>-->
<!--      </el-table-column>-->
      <el-table-column label="标题" align="center" prop="title" />
<!--      <el-table-column label="logo" align="center" prop="logo" width="100">-->
<!--        <template slot-scope="scope">-->
<!--          <image-preview :src="scope.row.logo" :width="50" :height="50"/>-->
<!--        </template>-->
<!--      </el-table-column>-->
<!--      <el-table-column label="主图地址" align="center" prop="masterPicture" width="100">-->
<!--        <template slot-scope="scope">-->
<!--          <image-preview :src="scope.row.masterPicture" :width="50" :height="50"/>-->
<!--        </template>-->
<!--      </el-table-column>-->
<!--      <el-table-column label="标签" align="center" prop="tag" />-->
      <el-table-column label="简介" align="center" prop="introduction" :show-overflow-tooltip="true"/>
      <el-table-column label="作者" align="center" prop="author"/>
      <el-table-column label="创建时间" align="center" prop="createTime"/>

      <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="['system:article:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:article: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"
    />

    <!-- 添加或修改文章对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="1000px" append-to-body :close-on-click-modal="false">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-col :span="24">
          <el-col :span="12">
            <el-form-item label="分类" prop="classifyId">
              <treeselect v-model="form.classifyId" :options="classifyOptions" :show-count="true" placeholder="请选择分类" />
            </el-form-item>
          </el-col>
          <el-col :span="12"  v-if="form.classify != 'agreement' && form.classify != 'privacy_policy'">
            <el-form-item label="作者" prop="author">
              <el-input v-model="form.author" placeholder="请输入作者" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="标题" prop="title">
              <el-input v-model="form.title" type="textarea" placeholder="请输入内容" />
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.classify == 'business_scope' || form.classify == 'case'">
            <el-form-item label="logo地址" prop="logo">
              <image-upload v-model="form.logo"/>
            </el-form-item>
          </el-col>

          <el-col :span="12" v-if="form.classify == 'plant' || form.classify == 'case'">
            <el-form-item label="主图地址" prop="masterPicture" >
              <image-upload v-model="form.masterPicture"/>
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.classify == 'dynamic'">
            <el-form-item label="标签" prop="tag">
              <el-input v-model="form.tag" type="textarea" placeholder="请输入内容" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="内容详情">
              <editor v-model="form.content" :min-height="192"/>
            </el-form-item>
          </el-col>
          <el-col :span="24" v-if="form.classify != 'agreement' && form.classify != 'privacy_policy'">
            <el-form-item label="简介" prop="introduction">
              <el-input v-model="form.introduction" type="textarea" :rows="6"  placeholder="请输入内容" />
            </el-form-item>
          </el-col>
        </el-col>
      </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 { listArticle, getArticle, delArticle, addArticle, updateArticle,classifyTreeSelect } from "@/api/system/article";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
  name: "Article",
  components: { Treeselect },
  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,
      // 部门树选项
      classifyOptions: undefined,
      // 总条数
      total: 0,
      // 文章表格数据
      articleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        classify: null,
        title: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        classify: [
          { required: true, message: "分类不能为空", trigger: "change" }
        ],
        title: [
          { required: true, message: "标题不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
    this.getClassifyTree();
  },
  methods: {
    /** 查询文章列表 */
    getList() {
      this.loading = true;
      listArticle(this.queryParams).then(response => {
        this.articleList = 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 = {
        articleId: null,
        classify: null,
        // dynamicClassify: null,
        title: null,
        logo: null,
        masterPicture: null,
        tag: null,
        introduction: null,
        content: null,
        author: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: 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();
    },
    /** 查询部门下拉树结构 */
    getClassifyTree() {
      classifyTreeSelect().then(response => {
        this.classifyOptions = response.data;
      });
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.articleId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加文章";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const articleId = row.articleId || this.ids
      getArticle(articleId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改文章";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.articleId != null) {
            updateArticle(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addArticle(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const articleIds = row.articleId || this.ids;
      this.$modal.confirm('是否确认删除文章编号为"' + articleIds + '"的数据项？').then(function() {
        return delArticle(articleIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/article/export', {
        ...this.queryParams
      }, `article_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
