<template>
    <div class="list-view">
        <div class="filters-container">
            <el-input placeholder="输入关键字" v-model="search" clearable class="filter-item"></el-input>
            <el-select v-model="query.keyType" @change="toTypeList" class="filter-item">
                <el-option
                    v-for="item in dataTypeList"
                    :key="item.query.keyType"
                    :label="item.name"
                    :value="item.query.keyType"
                />
            </el-select>
            <el-button @click="getData" type="primary" icon="el-icon-search" class="filter-item">搜索 </el-button>
            <el-button @click="addRow(query.keyType)" type="primary" icon="el-icon-plus" class="filter-item"
                >添加
            </el-button>
            <el-button
                @click="download"
                type="primary"
                icon="el-icon-download"
                :loading="downloading"
                class="filter-item"
                >导出EXCEL
            </el-button>
        </div>
        <el-table
            :data="tableData"
            row-key="id"
            ref="table"
            header-row-class-name="table-header-row"
            header-cell-class-name="table-header-cell"
            row-class-name="table-row"
            cell-class-name="table-cell"
            :height="tableHeight"
        >
            <el-table-column v-if="multipleMode" align="center" type="selection" width="50"> </el-table-column>
            <el-table-column prop="id" label="ID" width="100"> </el-table-column>
            <el-table-column prop="name" label="名称"> </el-table-column>
            <el-table-column prop="remark" label="备注"> </el-table-column>
            <el-table-column label="操作" align="center" fixed="right" min-width="150">
                <template slot-scope="{ row }">
                    <el-button @click="editRow(row)" type="primary" size="mini" plain>编辑</el-button>
                    <el-button @click="deleteRow(row)" type="danger" size="mini" plain>删除</el-button>
                </template>
            </el-table-column>
        </el-table>
        <div class="pagination-wrapper">
            <el-pagination
                background
                @size-change="onSizeChange"
                @current-change="onCurrentChange"
                :current-page="page"
                :page-sizes="[10, 20, 30, 40, 50]"
                :page-size="pageSize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="totalElements"
            >
            </el-pagination>
        </div>
    </div>
</template>
<script>
import { mapState } from 'vuex';
import pageableTable from '@/mixins/pageableTable';

export default {
    name: 'DataTypeList',
    mixins: [pageableTable],
    data() {
        return {
            dataTypeList: [
                { name: '公告类型', query: { keyType: 'gg' } },
                { name: '政策法规', query: { keyType: 'zcfg' } },
                { name: '应用领域', query: { keyType: 'yyly' } },
                { name: '融资行业', query: { keyType: 'rzhy' } },
                { name: '融资阶段', query: { keyType: 'rzjd' } },
                { name: '设备类型', query: { keyType: 'sblx' } },
                { name: '先进程度', query: { keyType: 'xjcd' } },
                { name: '消息类型', query: { keyType: 'xxlx' } }
            ],
            multipleMode: false,
            search: '',
            url: '/dataType/all',
            downloading: false,
            query: { keyType: 'gg' },
            pageSize: 10
        };
    },
    computed: {
        selection() {
            return this.$refs.table.selection.map(i => i.id);
        }
    },
    created() {
        if (this.$route.query.keyType) {
            this.query.keyType = this.$route.query.keyType;
        }
    },
    methods: {
        toTypeList() {
            this.getData();
        },

        beforeGetData() {
            if (this.search || this.query) {
                return { search: this.search, query: this.query };
            }
        },
        toggleMultipleMode(multipleMode) {
            this.multipleMode = multipleMode;
            if (!multipleMode) {
                this.$refs.table.clearSelection();
            }
        },
        addRow(keyType) {
            this.$router.push({
                path: '/dataTypeEdit',
                query: { keyType: keyType }
            });
        },
        editRow(row) {
            this.$router.push({
                path: '/dataTypeEdit',
                query: {
                    id: row.id
                }
            });
        },
        download() {
            this.downloading = true;
            this.$axios
                .get('/dataType/excel', {
                    responseType: 'blob',
                    params: { size: 10000 }
                })
                .then(res => {
                    console.log(res);
                    this.downloading = false;
                    const downloadUrl = window.URL.createObjectURL(new Blob([res.data]));
                    const link = document.createElement('a');
                    link.href = downloadUrl;
                    link.setAttribute(
                        'download',
                        decodeURIComponent(res.headers['content-disposition'].split('filename=')[1])
                    );
                    document.body.appendChild(link);
                    link.click();
                    link.remove();
                })
                .catch(e => {
                    console.log(e);
                    this.downloading = false;
                    this.$message.error(e.error);
                });
        },
        operation1() {
            this.$notify({
                title: '提示',
                message: this.selection
            });
        },
        operation2() {
            this.$message('操作2');
        },
        deleteRow(row) {
            this.$alert('删除将无法恢复，确认要删除么？', '警告', { type: 'error' })
                .then(() => {
                    return this.$http.post(`/dataType/del/${row.id}`);
                })
                .then(() => {
                    this.$message.success('删除成功');
                    this.getData();
                })
                .catch(e => {
                    if (e !== 'cancel') {
                        this.$message.error(e.error);
                    }
                });
        }
    },
    watch: {
        'query.keyType'(val) {
            this.$router
                .replace({
                    query: { keyType: val }
                })
                .catch(() => {});
        }
    }
};
</script>
<style lang="less" scoped></style>
