<template>
    <!-- 文件分类 -->
    <div class="ListOfDocument">
        <div class="box">
               <div class="icore-graphical-index" :style="'width: 100%;height:'+chart.height">
                   <div class="icore-graphical-area" ref="graphical-area"></div>
               </div>
        </div>
        <el-dialog
          title="文件预览"
          :visible.sync="dialogVisible"
          destroy-on-close
          width="90%"
          top="10vh">
          <el-button
          size="small"
          type="primary"
          icon="el-icon-download"
          v-privilege="activeMenu + 'DOWNLOAD'"
          @click="downloadFile(chart.fileData)"
          :loading="loading"
          style="position: absolute; right: 100px; top: 20px;"
          >点击保存
          </el-button>
          <iframe :src="previewUrl" width="100%" :height="singleTableHeight"></iframe>
        </el-dialog>
        <zj-formulaEditor :equationEditing="dialog.equationEditing"></zj-formulaEditor>
    </div>
</template>

<script>
import formulaEditor from '~/components/zg/formulaEditor.vue';
import { zCheckNumber1 } from '~/utils/validator.js';
import { formatDate } from '@/utils/util.js';
import store from '@/store/index.js';
export default {
    name: 'ListOfDocument',
    components: {
        'zj-formulaEditor': formulaEditor
    },
    props: {
        width: {
            type: [Number, String],
            default: '100%'
        },
        height: {
            type: [Number, String],
            default: '100%'
        }
    },
    data () {
        return {
            multipleSelection: [],
            tableFormDataObj: {},
            activeMenu: '',
            form: {
            imgSavePath: ''
            },
            filterForm: {
                show: true,
                data: {
                    uploadFileid: '',
                    securityTypeid: '',
                    securityTag: '',
                    isprimary: '',
                    version: formatDate(new Date(), 'yyyyMM00'),
                    fileName: '',
                    pattern: 'table'
                },
                rules: {

                },
                file: ''
            },
            listTopicTree: {
                show: true,
                loading: false,
                data: [],
                defaultProps: {
                    children: 'children',
                    label: 'securityName'
                }
            },
            pageNum: 1,
            pageSize: 20,
            total: 0,
            singleTableHeight: '720px',
            tableData: [
            ],
            nameObj: {
                uploadFile: {
                    obj: {},
                    arr: []
                },
                securityType: {
                    obj: {},
                    arr: []
                },
                unitid: {
                    obj: {},
                    arr: []
                },
                roleList: {
                    obj: {},
                    arr: []
                }, // 角色信息
                securityTag: {
                    obj: {},
                    arr: []
                },
                pattern: {
                    obj: {
                        'graphical': '图例',
                        'table': '表格'
                    },
                    arr: [
                        {
                            id: 'graphical',
                            name: '图例'
                        },
                        {
                            id: 'table',
                            name: '表格'
                        }
                    ]
                }
            },
            loading: false,
            tableLoading: false,
            dialog: {
                editorBox: {
                    show: false,
                    fileType: '',
                    form: {
                        default: {
                            workprocid: ''
                        },
                        data: {
                            itemid: '',
                            productid: '',
                            workprocid: '',
                            isprimary: '0',
                            unitid: '',
                            seqno: '',
                            code: '',
                            fileType: ''
                        },
                        rules: {
                            productid: [
                                { required: true, message: '该项不能为空', trigger: 'change' }
                            ],
                            workprocid: [
                                { required: true, message: '该项不能为空', trigger: 'change' }
                            ],
                            seqno: [
                                { validator: zCheckNumber1, trigger: 'change' }
                            ]
                        }
                    }
                },
                equationEditing: {
                    show: false,
                    form: {
                        data: {
                            clock: '',
                            code: ''
                        }
                    }
                }
            },
            store,
            userInfo: {}, // 用户信息
            qrRole: [],
            userRoles: [],
            dialogVisible: false,
            previewUrl: '',
            chart: {
                height: '1024px',
                show: false,
                fileData: {
                  fileName: '',
                  fileUrl: ''
                },
                option: {
                    title: {
                        text: ''
                    },
                    tooltip: {
                        trigger: 'item',
                        triggerOn: 'mousemove'
                    },
                    toolbox: {
                        feature: {
                            saveAsImage: {}
                        }
                    },
                    series: [
                            {
                              type: 'tree',
                              data: [],
                              top: '2%',
                              left: '25%',
                              bottom: '1%',
                              right: '20%',
                              symbolSize: 8,
                              nodePadding: 50,
                              label: {
                                position: 'left',
                                verticalAlign: 'bottom',
                                align: 'right',
                                fontSize: 14
                              },
                              leaves: {
                                label: {
                                  position: 'right',
                                  verticalAlign: 'middle',
                                  align: 'left'
                                }
                              },
                              emphasis: {
                                focus: 'descendant'
                              },
                              initialTreeDepth: 2,
                              expandAndCollapse: true,
                              animationDuration: 550,
                              animationDurationUpdate: 750,
                              roam: true
                            }
                          ]
                }
            }
        }
    },
    created () {
        this.activeMenu = window.localStorage.getItem('activeMenu');
    },
    computed: {
        indiviadualStyle: function() {
            return (
                "width:" +
                (typeof this.width === "string" &&
                this.width.indexOf("%") !== -1
                    ? this.width
                    : parseFloat(this.width) + "px") +
                ";height:" +
                (typeof this.height === "string" &&
                this.height.indexOf("%") !== -1
                    ? this.height
                    : parseFloat(this.height) + "px")
            );
        }
    },
    mounted () {
        let that = this;
        window.PEDataObj = {
            // 将数据绑定到window上，供main页面使用
            vm: that,
            // tableArr：用于导出成Excel的表格的信息
            tableArr: [
                {
                    name: '',
                    id: 'singleTable'
                }
            ]
        };
        // that.$nextTick(() => {
        //     // 立即获取的height有一定偏差，通过setTimeout延迟来解决
        //     setTimeout(() => {
        //         that.singleTableHeight = that.getRoleHeight(that.$refs['singleTable'].$el) - 45;
        //     }, 1);
        // });
        // // that.getNodeData();
        // // that.getNodeTreeData();
        // that.getUploadFileData();
        // that.getUnitIdData();
        // // that.getTableData();
        // that.getRoles();
        that.getFileTreeData();
    },
    methods: {
        //  计算树区域高度
        getRoleHeight (dom) {
            return window.innerHeight - dom.offsetTop;
        },
        // 获取文件类型列表
        getNodeData () {
            let that = this
            let url = 'pass/ems/v1/securitytypes/getIdAndName/?securityInfo=' + that.qrRole;
            that.axios.get(url)
                .then(function (res) {
                    if (res.code === '0') {
                        let arr = [];
                        let obj = {};
                        for (let item of res.data) {
                            arr.push({
                                id: item.id,
                                name: item.securityName
                            })
                            obj[item.id] = item.securityName;
                        }
                        that.nameObj.securityType.arr = arr;
                        that.nameObj.securityType.obj = obj;
                        console.log(that.nameObj.securityType)
                    } else {
                        that.$message.error(res.message);
                    }
                });
        },
        // 获取工序节点树(产出)
        getNodeTreeData () {
            let that = this
            let url = 'pass/ems/v1/securitytypes/gettree/?securityInfo=' + that.qrRole;
            that.listTopicTree.loading = true;
            that.axios.get(url)
                .then(function (res) {
                    if (res.code === '0') {
                        that.listTopicTree.data = [{
                            id: '',
                            securityName: '所有记录',
                            children: res.data
                        }];
                        that.getTableData();
                    } else {
                        that.$message.error(res.message);
                    }
                    that.listTopicTree.loading = false;
                }).catch(function () {
                    that.listTopicTree.loading = false;
                });
        },
        // 获取产品
        getUploadFileData () {
            let that = this
            let url = 'pass/ems/v1/uploadfiles/getIdAndName';
            that.axios.get(url)
                .then(function (res) {
                    if (res.code === '0') {
                        let arr = [];
                        let obj = {};
                        for (let item of res.data) {
                            arr.push({
                                id: item.id,
                                name: item.fileName
                            })
                            obj[item.id] = item.fileName;
                        }
                        that.nameObj.uploadFile.arr = arr;
                        that.nameObj.uploadFile.obj = obj;
                    } else {
                        that.$message.error(res.message);
                    }
                });
        },
        // 获取标准计量单位
        getUnitIdData () {
            let that = this
            let url = 'pass/ems/v1/trmunits/getIdAndName';
            that.axios.get(url)
                .then(function (res) {
                    if (res.code === '0') {
                        let arr = [];
                        let obj = {};
                        for (let item of res.data) {
                            arr.push({
                                id: item.id,
                                name: item.name
                            })
                            obj[item.id] = item.name;
                            if (item.name === '吨') {
                                that.nameObj.unitid.defaults = that.nameObj.unitid.defaults ? that.nameObj.unitid.defaults : item.id;
                            }
                        }
                        that.nameObj.unitid.arr = arr;
                        that.nameObj.unitid.obj = obj;
                    } else {
                        that.$message.error(res.message);
                    }
                });
        },
        // 获取表格中的数据
        getTableData (pageNum) {
            let that = this,
                params = {
                    fileName: that.filterForm.data.fileName,
                    type: that.filterForm.data.securityTypeid,
                    fileType: that.filterForm.data.securityTag.toString()
                };
            that.pageNum = pageNum || that.pageNum;
            that.tableLoading = true;
            let url = 'pass/ems/v1/uploadfiles/like/?pageNum=' + that.pageNum + '&pageSize=' + that.pageSize + '&securityInfo=' + that.qrRole;
            that.axios.get(url, {
                params: params
            })
                .then(function (res) {
                    if (res.code === '0') {
                        let arr = [];
                        let map = {};
                        let fileTypeArr = [];
                        let fileTypeStr = '';
                        let total = 0;
                        for (let item of that.listTopicTree.data[0].children) {
                            map[item.id] = true;
                        }
                        for (let item of res.data.list) {
                            let result = true;
                            fileTypeArr = [];
                            // // result = item.type.some(i => map[i]);
                            // if (that.qrRole.length > 0) {
                            //     result = map.hasOwnProperty(item.type);
                            // }
                            // if (result) {
                                if (item.fileType !== null) {
                                    fileTypeArr = item.fileType.split(';');
                                    fileTypeStr += item.fileType + ';'
                                }
                                total++;
                            arr.push({
                                ID: item.id,
                                fileName: item.fileName,
                                fileUrl: item.fileUrl,
                                type: item.type,
                                fileType: fileTypeArr,
                                uploadTime: item.uploadTime,
                                createMan: item.createMan,
                                createTime: item.createTime,
                                updateMan: item.updateMan,
                                updateTime: item.updateTime,
                                showInput: false,
                                inputValue: ''
                            })
                            // }
                        }
                        if (that.nameObj.securityTag.arr.length <= 0) {
                            fileTypeStr = fileTypeStr.substr(0, fileTypeStr.length - 1);
                            that.nameObj.securityTag.arr = Array.from(new Set(fileTypeStr.split(';')));
                        }
                        that.tableData = arr;
                        that.total = res.data.total;
                    } else {
                        that.$message.error(res.message);
                    }
                    that.getFileTreeData ();
                    that.tableLoading = false;
                }).catch(function () {
                    that.tableLoading = false;
                });
        },
        // 改变表格显示条数
        tableSizeChange (val) {
            let that = this;
            that.pageSize = val;
            that.getTableData(1);
        },
        // 重置搜索
        tableDataCancel () {
            let that = this;
            that.filterForm.data.workprocid = '';
            that.filterForm.data.productid = '';
            that.filterForm.data.version = '';
            that.getTableData(1);
        },
        // 表格中多选按钮的相关方法
        handleSelectionChange (val) {
            let that = this;
            let tableFormDataObj = {};
            for (let item of that.tableData) {
                item.isSelection = false;
            }
            for (let item of val) {
                let obj = {};
                let xId = item.ID;
                if (that.tableFormDataObj[xId]) {
                    tableFormDataObj[xId] = that.tableFormDataObj[xId];
                } else {
                    for (let key in item) {
                        obj[key] = item[key];
                    }
                    tableFormDataObj[xId] = obj;
                }
                item.isSelection = true;
            }
            that.tableFormDataObj = JSON.parse(JSON.stringify(tableFormDataObj));
            that.multipleSelection = val;
        },
        but_add () {
            let that = this;
            if (!that.dialog.editorBox.form.default.workprocid) {
                that.$message.error('请先选择左侧的详细工序');
                return;
            }
            that.dialog.editorBox.form.data.itemid = '';
            that.dialog.editorBox.form.data.productid = '';
            that.dialog.editorBox.form.data.workprocid = that.dialog.editorBox.form.default.workprocid;
            that.dialog.editorBox.form.data.isprimary = '0';
            that.dialog.editorBox.form.data.unitid = that.nameObj.unitid.defaults ? that.nameObj.unitid.defaults : '';
            that.dialog.editorBox.form.data.seqno = '';
            that.dialog.editorBox.form.data.code = '0';
            that.dialog.editorBox.type = 'add';
            that.dialog.editorBox.show = true;
            setTimeout(() => {
                that.$refs['dialog_form'].clearValidate();
            }, 100);
        },
        beforeUpload (file) {
          let that = this;
          that.tableLoading = true;
          that.loading = true;
          let foorData = new FormData();
          foorData.append('file', file.file);
          foorData.append('type', this.filterForm.data.securityTypeid);
          that.axios.post('pass/ems/v1/uploadfiles/file', foorData, {
             headers: {
                    'Content-Type': 'multipart/form-data'
                }
          }).then(function (res) {
               if (res.code === '0') {
               that.$message({
                    message: '上传成功',
                    type: 'success'
                });
                that.$refs.upload.clearFiles();
                that.$refs.upload1.clearFiles();
                that.getTableData(1);
                that.dialog.editorBox.show = false;
                } else {
                that.$message.error(res.message);
                }
                that.tableLoading = false;
                that.loading = false;
          }).catch(function () {
            that.$message({
                 message: '上传失败,FTP服务器可能已断开连接',
                 type: 'success'
             });
             that.tableLoading = false;
             that.loading = false;
          });
        },
        submitUpload () {
        let that = this;
        this.$refs.upload.submit();
        this.$refs.upload1.submit();
      },
      handleRemove (file, fileList) {
        console.log(file, fileList);
      },
      // 行内标签删除
      rowhandleClose (tag, row) {
        let that = this;
        that.tableFormDataObj[row.ID].fileType.splice(that.tableFormDataObj[row.ID].fileType.indexOf(tag), 1);
      },
      // 行内标签新增
      rowhandleInputConfirm (row) {
        let that = this;
        let inputValue = that.tableFormDataObj[row.ID].inputValue;
        if (inputValue) {
          that.tableFormDataObj[row.ID].fileType.push(inputValue);
        }
        that.tableFormDataObj[row.ID].showInput = false;
        that.tableFormDataObj[row.ID].inputValue = '';
      },
      // 行内input获取焦点
      rowshowInput (row) {
        let that = this;
        that.tableFormDataObj[row.ID].showInput = true;
        let id = row.ID + '-saveTagInput';
        setTimeout(function(){
           that.$nextTick(() => {
             // that.$refs[id].$refs.input.focus();
             that.$refs[id].focus();
           });
        },50)
      },
      handlePreview (file) {
        console.log(file);
      },
        // 批量修改
        but_edit_plural () {
            let that = this;
            if (that.multipleSelection.length > 0) {
                that.$refs['dialog_form_arr'].validate((valid) => {
                    if (valid) {
                        let SubmitData = [];
                        for (let key in that.tableFormDataObj) {
                          let fileTypes = '';
                          for (let item in that.tableFormDataObj[key].fileType) {
                              if (Number(item) === that.tableFormDataObj[key].fileType.length - 1) {
                                  fileTypes += that.tableFormDataObj[key].fileType[item];
                              } else {
                                  fileTypes += that.tableFormDataObj[key].fileType[item] + ';';
                              }
                          }
                            SubmitData.push({
                                Id: that.tableFormDataObj[key].ID,
                                fileType: fileTypes,
                                seqno: that.tableFormDataObj[key].seqno
                            });
                        }
                        that.loading = true;
                        that.axios.put('pass/ems/v1/uploadfiles/batchupdate', SubmitData)
                            .then(function (res) {
                                if (res.code === '0') {
                                    that.$message({
                                        message: '修改成功',
                                        type: 'success'
                                    });
                                    that.getTableData();
                                    that.dialog.editorBox.show = false;
                                } else {
                                    that.$message.error(res.message);
                                }
                                that.loading = false;
                            }).catch(function () {
                                that.loading = false;
                            });
                    }
                });
            } else {
                this.$message.error('至少要选择一条数据');
            }
        },
        // 批量删除
        but_del_plural () {
            let that = this;
            that.loading = true;
            if (that.multipleSelection.length > 0) {
                let ids = [];
                let paths = [];
                for (let item of that.multipleSelection) {
                    ids.push(item.ID);
                    paths.push(item.fileUrl);
                }
                that.$confirm('是否删除已选数据?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    state: 'warning'
                }).then(() => {
                    that.axios.delete('pass/ems/v1/uploadfiles/' + ids.toString())
                        .then(function (res) {
                            if (res.code === '0') {
                                that.$message({
                                    message: '删除成功',
                                    type: 'success'
                                });
                                that.getTableData();
                                that.loading = false;
                            } else {
                                if (res.code === '51') {

                                }
                                that.$message.error(res.message);
                            }
                            that.loading = false;
                        }).catch(function () {
                          that.loading = false;
                        });
                }).catch(() => {
                  that.loading = false;
                });
            } else {
                this.$message.error('至少要选择一条数据');
                that.loading = false;
            }
        },
        dataSave () {
            let that = this;
            let SubmitData = {
                itemid: that.dialog.editorBox.form.data.itemid,
                productid: that.dialog.editorBox.form.data.productid,
                workprocid: that.dialog.editorBox.form.data.workprocid,
                isprimary: that.dialog.editorBox.form.data.isprimary,
                unitid: that.dialog.editorBox.form.data.unitid,
                seqno: that.dialog.editorBox.form.data.seqno,
                code: that.dialog.editorBox.form.data.code,
                itemtype: 'P'
            };
            that.$refs['dialog_form'].validate((valid) => {
                if (valid) {
                    if (that.dialog.editorBox.type === 'add') {
                        that.loading = true;
                        that.axios.post('pass/ems/v1/trmworkprocproducts/', SubmitData, {
                            contentType: 'application/json'
                        })
                            .then(function (res) {
                                if (res.code === '0') {
                                    that.$message({
                                        message: '新增成功',
                                        type: 'success'
                                    });
                                    that.getTableData();
                                    that.dialog.editorBox.show = false;
                                } else {
                                    that.$message.error(res.message);
                                }
                                that.loading = false;
                            }).catch(function () {
                                that.loading = false;
                            });
                    } else {
                        that.loading = true;
                        that.axios.put('pass/ems/v1/trmworkprocproducts/' + SubmitData.itemid, SubmitData)
                            .then(function (res) {
                                if (res.code === '0') {
                                    that.$message({
                                        message: '修改成功',
                                        type: 'success'
                                    });
                                    that.getTableData();
                                    that.dialog.editorBox.show = false;
                                } else {
                                    that.$message.error(res.message);
                                }
                                that.loading = false;
                            }).catch(function () {
                                that.loading = false;
                            });
                    }
                }
            });
        },
        but_equationEditing (row) {
            let that = this;
            that.dialog.equationEditing.form.data.clock = that.filterForm.data.version;
            that.dialog.equationEditing.form.data.code = row.itemid;
            that.dialog.equationEditing.show = true;
        },
        selectByTopicId (data) {
            let that = this;
            that.filterForm.data.securityTypeid = data.id;
            that.getTableData(1);
        },
        getRoles () {
            let that = this;
            // 获取用户信息
            this.store.dispatch('getUserInfo').then((res) => {
                this.userInfo = res.data;
                that.axios.get('pass/v1/sysuserroles/?userId=' + res.data.userId + '&pageNum=1&pageSize=100').then(rest => {
                  if (rest) {
                    for (let i = 0; i < rest.data.list.length; i++) {
                      that.qrRole.push(rest.data.list[i].roleId)
                    }
                    that.userRoles = rest.data.list; // 获取用户角色关联信息
                  }
                  that.getNodeData();
                  that.getNodeTreeData();
                })
            });
            // 获取角色信息
            this.store.dispatch('system/rolesManage/list').then(res => {
              if (res.code === '0') {
                this.nameObj.roleList.arr = res.data;
                for (let obj of res.data) {
                    this.nameObj.roleList.obj[obj.id] = {
                        name: obj.roleName,
                        id: obj.id
                    };
                }
                } else {
              this.$message.error(res.message);
            }
            });
        },
        downloadFile (data) {
            let that = this;
            let SubmitData = {
                    fileName: data.fileName,
                    fileUrl: data.fileUrl
                };
                // 不带token访问方式，留底后端修改shiroconfig.java,application.properties
            //     let url = '/icore.icp.web/pass/ems/v1/uploadfiles/downloadFile/?fileName=' + that.tableFormDataObj[key].fileName + '&fileUrl=' + that.tableFormDataObj[key].fileUrl;
            // const xhr = new XMLHttpRequest();
            // xhr.open('GET', url, true);
            // xhr.responseType = 'blob';
            // xhr.onload = () => {
            //     if (xhr.status === 200) {
            //         var fileName = that.tableFormDataObj[key].fileName;
            //         // 获取文件blob数据并保存
            //         that.saveAs(xhr.response, fileName);
            //     }
            // };
            // xhr.send();
            that.loading = true;
                let urla = 'pass/ems/v1/uploadfiles/downloadFile/';
                that.axios.get(urla, {
                params: SubmitData,
                responseType: 'blob'
            }).then(function (res) {
                   that.saveAs(res, data.fileName);
                   that.$message({
                       message: '下载成功',
                       type: 'success'
                   });
                   that.loading = false;
                }).catch(function () {
                    that.$message.error('下载失败');
                    that.loading = false;
                })
        },
        // js实现文件下载而不直接打开
        saveAs (data, fileName) {
            this.loading = true;
            let urlObject = window.URL || window.webkitURL || window;
            // 将二进制流转为blob
            let exportBlob = new Blob([data]);
            if (typeof window.navigator.msSaveBlob !== 'undefined') {
              // 兼容IE，window.navigator.msSaveBlob：以本地方式保存文件
              window.navigator.msSaveBlob(exportBlob, decodeURI(fileName));
              this.loading = false;
            } else {
                // 创建新的URL并指向File对象或者Blob对象的地址
                let blobURL = urlObject.createObjectURL(exportBlob);
                let saveLink = document.createElement('a');
                // 兼容：某些浏览器不支持HTML5的download属性
                if (typeof saveLink.download === 'undefined') {
                  saveLink.setAttribute('target', '_blank');
                } else {
                    saveLink.download = fileName;
                }
                // 创建新的URL并指向File对象或者Blob对象的地址
                saveLink.href = blobURL;
                saveLink.click();
                // 释放blob URL地址
                urlObject.revokeObjectURL(exportBlob);
                this.loading = false;
                // let blob = new Blob([data])
                // let fileURL = urlObject.createObjectURL(blob);
                // 下载代码
                // let downEle = document.createElement('a')
                // let fname = `download` //下载文件的名字
                // downEle.href = fileURL
                // downEle.setAttribute('download', fname)
                // document.body.appendChild(downEle)
                // downEle.click()
                // window.open(fileURL);
            }
        },
        preview (data) {
            let that = this;
            that.loading = true;
            that.chart.fileData = data;
            let SubmitData = {
                fileName: data.fileName,
                fileUrl: data.fileUrl
            };
            let urla = 'pass/ems/v1/uploadfiles/getfile/';
            let type = 'text/html';
            let responseType = 'application/json';
            let fileExtension = data.fileName.substring(data.fileName.lastIndexOf('.') + 1);
            if (fileExtension === 'pdf') {
                urla = 'pass/ems/v1/uploadfiles/downloadFile/';
                type = 'application/pdf';
                responseType = 'blob';
            }
            that.tableLoading = true;
            that.axios.get(urla, {
                params: SubmitData,
                responseType: responseType
            }).then(function (res) {
              console.log('111');
              let urlObject = window.URL || window.webkitURL || window;
              // 将二进制流转为blob
              let blob = new Blob([res], {type: type});
              if (fileExtension !== 'pdf') {
                  blob = new Blob([res.data], {type: type});
                }
              // if (typeof window.navigator.msSaveBlob !== 'undefined') {
              //   // 兼容IE，window.navigator.msSaveBlob：以本地方式保存文件
              //   window.navigator.msSaveBlob(blob, decodeURI(fileName))
              // } else {
                // 创建新的URL并指向File对象或者Blob对象的地址
                let blobURL = urlObject.createObjectURL(blob);
                that.dialogVisible = true;
                that.previewUrl = blobURL;
                that.tableLoading = false;
                that.loading = false;
                // 'https://file.keking.cn/onlinePreview?url=' + encodeURIComponent(blobURL)
                // http://view.officeapps.live.com/op/view.aspx?src' + blobURL;
                // 创建a标签，用于跳转至下载链接
                // let tempLink = document.createElement('a')
                // tempLink.style.display = 'none'
                // tempLink.href = blobURL;
                // tempLink.setAttribute('download', decodeURI(fileName))
                // 兼容：某些浏览器不支持HTML5的download属性
                // if (typeof tempLink.download === 'undefined') {
                //   tempLink.setAttribute('target', '_blank')
                // }
                // // 挂载a标签
                // document.body.appendChild(tempLink)
                // tempLink.click()
                // // 销毁a标签
                // document.body.removeChild(tempLink)
                // 释放blob URL地址
                // urlObject.revokeObjectURL(blobURL);
                setTimeout(() => {
                    urlObject.revokeObjectURL(blobURL);
                }, 1000)
            }).catch(function () {
                that.tableLoading = false;
                that.$message.error('预览失败');
                that.loading = false;
            })
        },
        selectTrigger(val) {
          let that = this;
          if (val === 'graphical') {
            that.listTopicTree.show = false;
            that.chart.show = true;
            that.loading = true;
            setTimeout(() => {
                that.setGraphical();
            }, 1000)
              console.log(val);
          } else {
            that.chart.show = false;
            that.listTopicTree.show = true;
              console.log(val);
          }
        },
        getFileTreeData () {
            let that = this,
                params = {
                    fileName: that.filterForm.data.fileName,
                    type: that.filterForm.data.securityTypeid,
                    fileType: that.filterForm.data.securityTag.toString()
                };
            that.tableLoading = true;
            let url = 'pass/ems/v1/uploadfiles/getFileTree/?securityInfo=' + that.qrRole;
            that.axios.get(url, {
                params: params
            })
                .then(function (res) {
                    if (res.code === '0') {
                      let arr = [];
                      // that.chart.height = res.data.length * 100 + 'px';
                      arr = that.treeDataUtil(res.data);
                      arr[0].label = {
                        position: 'top',
                        verticalAlign: 'bottom',
                        align: 'right',
                        fontSize: 20,
                        fontWeight: 800
                      };
                      that.chart.option.series[0].data = arr;
                      that.setGraphical();
                    } else {
                      that.$message.error(res.message);
                    }
                    that.tableLoading = false;
                }).catch(function () {
                    that.tableLoading = false;
                });
        },
        treeDataUtil (treeData) {
          let that = this;
          let data = [];
          let children = [];
          let children1 = [];
          let i = 0;
          let name = '';
          for (let item of treeData) {
            i++;
            if(item.fileName === null) {
              if (item.children !== null){
                children = that.treeDataUtil(item.children);
              };
              data.push({
                  name: item.createMan,
                  children: children,
              });
              children = [];
            } else {
              if(name === '' || i === 1){
                name = item.createMan;
              } else if(name !== item.createMan) {
                data.push({
                    name: name,
                    children: children1,
                });
                children1 = [];
                name = item.createMan;
              }
              children1.push({
                name: item.fileName,
                value: item.fileUrl,
              });
            }
            if ( i=== treeData.length && children1.length !== 0 ) {
              data.push({
                  name: name,
                  children: children1,
              });
            }
          }
          return data;
        },
        /**
         * 根据参数生成不同类型的图形化控件
         */
        setGraphical: function() {
            let that = this;
            // 引入 ECharts 主模块
            let echarts = require("echarts");
            require("echarts-gl");
            // 基于准备好的dom，初始化echarts实例
            let myChart = echarts.init(this.$refs["graphical-area"]);
            myChart.showLoading();
            // 绘制图表
            myChart.setOption(that.chart.option);
            // 设置树图的点击事件
            myChart.on("click", function(param) {
              // 老版本不支持
              // if(param.event.target.culling === true){
              //    return
              // } else if(param.event.target.culling === false){
              //     let args = {
              //       fileName: param.data.name,
              //       fileUrl: param.data.value
              //     } //当前节点及其子节点的值
              //     let level = param.data.level; //当前节点的层级 eg:"1-1-0",可以通过level判断当前的层级，从而进行不同的操作
              //     that.preview (args);
              // }
              if(param.data.value){
                let args = {
                      fileName: param.data.name,
                      fileUrl: param.data.value
                    } //当前节点及其子节点的值
                    let level = param.data.level; //当前节点的层级 eg:"1-1-0",可以通过level判断当前的层级，从而进行不同的操作
                    that.preview (args);
                }
            });
            myChart.hideLoading();
            that.loading = false;
        }
    }
}
</script>

<style lang="less">
.ListOfDocument {
    padding: 0;
    margin: 0;
    min-width: 700px;
    height: 1024px;
    .box {
        height: 1030px;
        padding: 15px 15px 0 15px;
        background: url(../../../../assets/img/img/filebg.png) center bottom no-repeat;
        background-size: 100% 100%;
            margin: 0px;
            .error {
                overflow: hidden;
                color: #f56c6c;
                font-size: 12px;
                line-height: 1;
            }
    }
    .color_no {
        color: #7a7a7a;
    }
    .color_yes {
        color: #1a9f17;
    }
    .el-upload-dragger {
        width: 120px;
        height: 80px;
    }
    .el-icon-upload:before {
    content: "\E60D";
    position: absolute;
    top: 20%;
    left: 20%;
    }
    .uploadNew {
        position: relative;
        width: 120px;
    }
    .uploadNew .el-upload-list {
        position: absolute;
        left: 320px;
        top: -10px;
        width: 200px;
    }
    .upload-demo {
        float: left;
        width: 85px;
        position: relative;
    }
    .upload-demo .el-upload-list {
        position: absolute;
        left: 530px;
        top: -100px;
        width: 200px;
    }
    .icore-graphical-index {
        display: inline-block;
        height: inherit;
        width: inherit;
        .icore-graphical-area {
            height: 100%;
            width: 100%;
        }
    }
}
</style>
